CN222986335U - A clamping mechanism for machining center - Google Patents

Abstract

The utility model discloses a clamping mechanism for a machining center, including an operating table body and a workpiece body, wherein the central axis of the operating table body is vertically arranged and the top surface is horizontal, the workpiece body is coaxially placed on the top surface of the operating table body, and a workpiece alignment component arranged in a transverse direction is installed on the top surface of the operating table body at the position of the inner periphery of the workpiece body, so as to limit and align the workpiece body on the top surface of the operating table body through the workpiece alignment component. The beneficial effect is that the utility model is provided with a workpiece alignment component arranged in a transverse direction in the middle of the top surface of the operating table body, so that the workpiece body can be quickly limited and aligned on the operating table body by the two ends of the workpiece alignment component synchronously extending outward and respectively abutting against the two sides of the inner periphery of the workpiece body, so that the workpiece body can be quickly aligned and placed on the operating table body, which is convenient for quickly aligning the workpiece body on the operating table body.

Description

Machining center clamping mechanism

Technical Field

The utility model relates to the field of auxiliary components for clamping workpieces in machining centers, in particular to a clamping mechanism for a machining center.

Background

When a machining center processes a workpiece, the workpiece is required to be placed on a clamp of the machining center, the clamp is used for clamping the workpiece and then processing the workpiece, the clamp is used for fixing a machining object in a mechanical manufacturing process to enable the machining object to occupy a correct position so as to receive a device for construction or detection, the types of clamps used by the machining center are more, the clamps can be divided into clamps for processing regular parts and clamps for processing irregular parts, at present, when the regular parts such as cylindrical workpieces are clamped, a multi-jaw chuck clamp is usually used, but the multi-jaw chuck clamp can only clamp cylindrical workpieces with smaller diameter specifications, and when the cylindrical workpieces with larger diameter specifications are clamped, the multi-jaw chuck cannot clamp and fix the cylindrical workpieces, and alignment is troublesome.

Disclosure of utility model

The utility model aims to solve the problems and provide a clamping mechanism of a machining center, wherein a workpiece alignment assembly is arranged in the middle of the top surface of an operation table body in a transverse direction, so that the workpiece body can be rapidly subjected to limit alignment on the operation table body in a mode that two ends of the workpiece alignment assembly synchronously extend outwards and respectively support against two sides in the workpiece body, and the workpiece alignment assembly is described in detail below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a machining center clamping mechanism which comprises an operation table body and a workpiece body, wherein the central axis of the operation table body is vertically arranged, the top surface of the operation table body is horizontal, and the workpiece body is coaxially arranged on the top surface of the operation table body;

The top surface of the operation table body is provided with a workpiece alignment assembly which is arranged along the transverse direction at the position in the workpiece body and is used for limiting and aligning the workpiece body on the top surface of the operation table body through the workpiece alignment assembly;

The top surface of the operation table body is provided with workpiece clamping components at positions outside two sides of the workpiece body, and the workpiece clamping components are used for clamping and fixing the aligned workpiece body.

Preferably, the operation panel body is a round table, a connecting flange coaxially arranged is fixed at the outer bottom of the periphery of the operation panel body in an outward extending manner, and a plurality of connecting holes are vertically formed in the connecting flange.

Preferably, the workpiece body is a cylindrical workpiece.

Preferably, the workpiece clamping assemblies are also arranged at the positions of the top surface of the operating platform body, which are positioned at the front, rear and outer sides of the workpiece body, so as to assist in clamping and fixing the workpiece body.

Preferably, the workpiece alignment assembly comprises a mounting seat and a force application block, the top surface of the operating platform body is vertically fixed with the mounting seat at the positions of the two sides in the workpiece body, the two mounting seats are symmetrically distributed relative to the central axis of the operating platform body, guide holes are formed in the tops of the mounting seats along the transverse direction, the guide holes at the two sides are horizontally and coaxially compared, the central axes of the guide holes at the two sides are radially arranged along the operating platform body, the force application block is arranged between the mounting seats at the two sides, threaded sleeves which are arranged along the transverse direction are coaxially extended and fixed at the two side end surfaces of the force application block, the threaded sleeves at the two sides are symmetrically distributed relative to the force application block, the outer ends of the threaded sleeves which are far away from each other are abutted against the inner end surfaces of the mounting seat, limit screws are coaxially matched with the inner circumferences of the threaded sleeves at the two sides, the threads of the limit screws are rotationally symmetrical to each other, and the outer ends of the limit screws which are far away from each other are coaxially matched with the guide holes in a sliding mode.

Preferably, elastic ends of buffer materials are coaxially fixed at outer ends, away from each other, of the limit screws at two sides, and the outer surfaces of the elastic ends are arc surfaces.

Preferably, the force application blocks are all in a hexagonal shape.

Preferably, the workpiece clamping assembly comprises a cylinder body and clamping seats, the cylinder bodies at two side positions are transversely arranged and respectively arranged at two side outer positions of the workpiece body, the cylinder bodies are fixed at the outer edge positions of the top surface of the operation table body through the cylinder seats, the inner ends, close to each other, of push rods of the cylinder bodies penetrate through the corresponding cylinder seats in a sliding fit mode and are fixedly provided with the clamping seats through fixing sleeves, pressing grooves capable of being pressed on the periphery of the workpiece body are formed in the end faces, opposite to each other, of the clamping seats, and the pressing grooves are through grooves in the vertical direction.

Preferably, the horizontal cross section shape of the pressing groove is V-shaped, the inner surface of the pressing groove is covered and fixed with a buffer cushion made of buffer materials, and the profile trend of the buffer cushion is consistent with that of the corresponding pressing groove.

The clamping mechanism of the machining center is particularly used in the process of clamping the workpiece body on the operation table body, as the threaded sleeves are coaxially fixed at the two side positions of the force application block of the workpiece alignment assembly, the threaded directions of the limiting screws at the two side positions are symmetrical to each other, and then the limiting screws at the two side positions can be synchronously close to or far away from each other in a manner of screwing the force application block so as to be convenient for rapidly operating the workpiece alignment assembly to perform limit alignment on the operation table body, facilitating the rapid alignment of the workpiece body to be placed on the operation table body, and the diameter of the limiting screws at the two side positions can be conveniently increased to the diameter of the limiting screws at the two side positions to be convenient for the workpiece body to be more than that of the workpiece alignment assembly is simultaneously clamped by the two side positions of the workpiece alignment assembly, and the clamping mechanism is provided with the diameter of the workpiece alignment assembly at the two side positions of the workpiece alignment assembly, then through both sides position the grip slipper approach each other can be with after the alignment the work piece body is clamped fixedly, simultaneously through both sides position the grip slipper approach each other can be with the work piece body is loosen and is got away, to the centre gripping of work piece body is fixed and loosen and get the mode of getting and simply easily realize, moreover because both sides position the grip slipper has all been seted up V type groove shape in the terminal surface that is relative each other the indent, then through the indent contact the work piece body corresponds the mode in the outside can be right the work piece body is firm reliable centre gripping is fixed, also can make simultaneously the indent adaptation centre gripping different external diameter specifications the work piece body has promoted the general scope of use of work piece clamping assembly.

The utility model has the beneficial effects that 1, the workpiece alignment assembly arranged along the transverse direction is arranged in the middle of the top surface of the operation table body, so that the workpiece body can be rapidly aligned in a limiting way on the operation table body in a mode that the two ends of the workpiece alignment assembly synchronously extend outwards and respectively prop against the two sides of the inner periphery of the workpiece body, and the workpiece body can be rapidly aligned and placed on the operation table body conveniently;

2. The two sides of the force application block of the workpiece alignment assembly are coaxially fixed with the threaded sleeves, the threaded sleeves are coaxially meshed with the limit screws, the thread directions of the limit screws at the two sides are symmetrical, and then the limit screws at the two sides can be synchronously close to or far away from each other in a screwing mode of the force application block, so that the workpiece alignment assembly is convenient to rapidly operate to limit and align the workpiece body onto the operation table body, and meanwhile the workpiece alignment assembly is convenient to limit and align the workpiece bodies with different diameter specifications, and the use universality of the workpiece alignment assembly is improved;

3. the top surface of the operating table body is provided with workpiece clamping assemblies at the positions on two sides of the operating table body, so that the cylinder body of the workpiece clamping assemblies at the two sides can drive the corresponding clamping seats to be close to or far away from each other, then the aligned workpiece body can be clamped and fixed in a way that the clamping seats at the two sides are close to each other, and meanwhile, the workpiece body can be loosened and taken away in a way that the clamping seats at the two sides are far away from each other, so that the clamping and fixing and loosening of the workpiece body are simple and easy to realize;

4. Clamping seats at two sides are provided with pressing grooves in the shape of V-shaped grooves on the end faces opposite to each other, and then the workpiece body can be clamped stably and reliably in a mode that the pressing grooves contact the corresponding outer sides of the workpiece body, meanwhile, the pressing grooves can be adapted to clamp the workpiece bodies with different outer diameter specifications, and the universal use range of the workpiece clamping assembly is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall isometric view of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a second schematic cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 4 is a front exterior view of FIG. 1 of the present utility model;

FIG. 5 is a left side exterior view of FIG. 1 of the present utility model;

FIG. 6 is a right side exterior view of FIG. 1 of the present utility model;

Fig. 7 is a top exterior view of fig. 1 of the present utility model.

The reference numerals are explained as follows:

1. The device comprises a workpiece body, a workbench body, a connecting flange, a connecting hole, a workpiece clamping assembly, a cylinder body, a pushing rod, a cylinder seat, a fixing sleeve, a clamping seat, a buffer pad, a pressing groove, a workpiece alignment assembly, a workpiece 401, an elastic end, a limiting screw, a mounting seat, a guide hole, a threaded sleeve, a force application block and a force application block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1-7, the utility model provides a machining center clamping mechanism, which comprises an operation table body 2 and a workpiece body 1, wherein the central axis of the operation table body 2 is vertically arranged, the top surface is horizontal, the workpiece body 1 is coaxially arranged on the top surface of the operation table body 2, a workpiece alignment component 4 which is transversely arranged is arranged on the top surface of the operation table body 2 at the position of the inner periphery of the workpiece body 1 and is used for limiting and aligning the workpiece body 1 on the top surface of the operation table body 2 through the workpiece alignment component 4, specifically, the workpiece alignment component 4 comprises an installation seat 403 and a force application block 406, the installation seats 403 are vertically fixed on the top surface of the operation table body 2 at the positions of the two sides of the inner periphery of the workpiece body 1, the two installation seats 403 are symmetrically distributed about the central axis of the operation table body 2, guide holes 404 are transversely arranged on the top of the installation seat 403, the guide holes 404 at two sides are transversely and coaxially aligned, the central axes of the guide holes 404 at two sides are arranged along the radial direction of the operation table body 2, a force application block 406 is arranged between the mounting seats 403 at two sides, the end faces at two sides of the force application block 406 are coaxially extended and fixed with threaded sleeves 405 arranged along the transverse direction, the threaded sleeves 405 at two sides are symmetrically distributed about the force application block 406, the outer ends of the threaded sleeves 405 at two sides, which are far away from each other, are abutted against the inner end faces of the adjacent mounting seats 403, the inner peripheries of the threaded sleeves 405 at two sides are coaxially matched with limit screws 402, the screw threads of the limit screws 402 at two sides are symmetrical to each other, the outer ends of the limit screws 402 at two sides, which are far away from each other, are penetrated out of the adjacent guide holes 404 in a coaxial sliding fit manner, firstly, the workpiece body 1 can be rapidly aligned on the operation table body 2 in a limiting manner by synchronously extending two ends of the workpiece alignment assembly 4 and respectively propping against two sides of the inner periphery of the workpiece body 1, so that the workpiece body 1 can be rapidly aligned and placed on the operation table body 2, and particularly, the limiting screws 402 at two sides can be synchronously close to or far away from each other in a manner of screwing the force application block 406, thereby not only facilitating rapid operation of the workpiece alignment assembly 4 to limit and align the workpiece body 1 on the operation table body 2, but also facilitating limiting and aligning operation of the workpiece alignment assembly 4 on the workpiece bodies 1 with different diameter specifications.

Referring to fig. 1-3, the top surface of the console body 2 is provided with a workpiece clamping assembly 3 at positions outside two sides of the workpiece body 1, so as to clamp and fix the aligned workpiece body 1 through the workpiece clamping assembly 3, specifically, the workpiece clamping assembly 3 includes a cylinder body 301 and clamping holders 305, the cylinder bodies 301 at two sides are all arranged along the transverse direction and are respectively arranged at positions outside two sides of the workpiece body 1, the cylinder bodies 301 are all fixed at the outer edge positions of the top surface of the console body 2 through the cylinder holders 303, inner ends, close to each other, of push rods 302 of the cylinder bodies 301 pass through the corresponding cylinder holders 303 in a sliding fit manner and are provided with clamping holders 305 through fixing sleeves 304, opposite end surfaces of the clamping holders 305 are all provided with pressing grooves 307 capable of being pressed on the periphery of the workpiece body 1, and the pressing grooves 307 are through grooves in the vertical direction, and the purpose of the cylinder bodies 301 of the workpiece clamping assembly 3 at two sides can drive the corresponding clamping holders 305 to be close to each other or away from each other, and then the aligned workpiece body 1 can be clamped and released from each other in a manner that the clamping holders at two sides of the workpiece body 1 are close to each other.

Referring to fig. 1-3, the following optimizations are respectively performed on the console body 2, the workpiece body 1, the workpiece alignment assembly 4 and the workpiece clamping assembly 3, specifically, the console body 2 is a round table, a coaxially arranged connecting flange 201 is fixed at the bottom of the periphery of the console body 2 in an outward extending manner, a plurality of connecting holes 202 are formed in the connecting flange 201 in a vertical manner, the console body 2 is fixedly installed at the set position of the machining center in a mode of installing bolts through the connecting holes 202 conveniently, and the workpiece body 1 is a cylindrical workpiece, so that the workpiece alignment assembly 4 can perform limit alignment operation on the workpiece body 1, and meanwhile, the workpiece clamping assembly 3 can perform clamping fixing operation on the workpiece body 1.

Specifically to work piece alignment subassembly 4, the position of operation panel body 2 top surface outside around work piece body 1 is also all installed and is provided with work piece clamping assembly 3 for it is fixed to carry out auxiliary clamping to work piece body 1, if so set up, the work piece clamping assembly 3 of being convenient for in both sides position is fixed the back with work piece body 1 clamping, and work piece body 1 is assisted the clamping to work piece body 3 of accessible front and back position, further promotes the stability after fixing work piece body 1 clamping.

Simultaneously, the outer ends of the limit screws 402 at the two optional side positions, which are far away from each other, are coaxially fixed with elastic ends 401 made of buffering materials, and the outer surfaces of the elastic ends 401 are arc surfaces so as to elastically buffer and protect the inner periphery of the workpiece body 1 in a mode that the elastic ends 401 contact the inner periphery of the workpiece body 1, and further, the force application blocks 406 are in an outer hexagon shape so as to be convenient for smoothly operating the force application blocks 406 to rotate by means of tools such as a spanner.

And specifically to work piece clamping assembly 3, the horizontal cross-sectional shape of indent 307 is the V type, the internal surface of indent 307 all covers the blotter 306 that is fixed with the buffering material, and the profile trend of blotter 306 is all kept unanimous with the indent 307 that corresponds, so set up, be convenient for at first to contact the mode in the corresponding outside of work piece body 1 through the indent 307 and can stabilize reliable centre gripping fixedly to work piece body 1, simultaneously also can make indent 307 adapt to the work piece body 1 of the different external diameter specifications of centre gripping, and owing to be provided with the blotter 306, then can be to the periphery of work piece body 1 through the mode of blotter 306 elastic deformation.

With the structure, in the process of clamping the workpiece body 1 on the operation table body 2, the workpiece alignment assembly 4 arranged transversely is arranged in the middle of the top surface of the operation table body 2, so that the workpiece body 1 can be rapidly aligned in a limiting manner on the operation table body 2 in a mode that two ends of the workpiece alignment assembly 4 synchronously extend outwards and respectively abut against two sides of the inner periphery of the workpiece body 1, the workpiece body 1 can be conveniently and rapidly aligned and placed on the operation table body 2, and in the operation of the workpiece alignment assembly 4, as the threaded sleeves 405 are coaxially fixed at two sides of the force application block 406 of the workpiece alignment assembly 4, the limiting screws 402 are coaxially meshed with the threaded sleeves 405, the threads of the limiting screws 402 at two sides are rotationally symmetrical to each other, the limiting screws 402 at two sides can be synchronously moved close to or away from each other by screwing the force application block 406, thereby being convenient for rapidly operating the workpiece alignment assembly 4 to position and align the workpiece body 1 on the operation table body 2, simultaneously being convenient for enabling the workpiece alignment assembly 4 to perform the position and alignment operation on the workpiece bodies 1 with different diameter specifications, improving the use universality of the workpiece alignment assembly 4, after the workpiece body 1 is positioned and aligned, the workpiece clamping assemblies 3 are arranged at the positions of the top surface of the operation table body 2 at two sides of the operation table body, so that corresponding clamping seats 305 can be driven to be moved close to or away from each other by transversely stretching the push rods 302 of the cylinder bodies 301 of the workpiece clamping assemblies 3 at two sides, and then the aligned workpiece body 1 can be clamped and fixed by the clamping seats 305 at two sides, meanwhile, the workpiece body 1 can be loosened and taken away in a mode that the clamping seats 305 at two side positions are far away from each other, the clamping fixing and loosening and taking-away modes for the workpiece body 1 are simple and easy to realize, and the clamping seats 305 at two side positions are provided with the pressing grooves 307 in the shape of V-shaped grooves on the end faces opposite to each other, so that the workpiece body 1 can be stably and reliably clamped and fixed in a mode that the pressing grooves 307 are contacted with the corresponding outer sides of the workpiece body 1, meanwhile, the pressing grooves 307 can be adapted to clamping the workpiece bodies 1 with different outer diameter specifications, and the universal use range of the workpiece clamping assembly 3 is improved.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (9)

1. The clamping mechanism of the machining center comprises an operation table body (2) and a workpiece body (1) and is characterized in that the central axis of the operation table body (2) is vertically arranged, the top surface of the operation table body is horizontal, and the workpiece body (1) is coaxially arranged on the top surface of the operation table body (2);

The top surface of the operation table body (2) is provided with a workpiece alignment component (4) which is arranged along the transverse direction at the position of the inner periphery of the workpiece body (1) and is used for limiting and aligning the workpiece body (1) on the top surface of the operation table body (2) through the workpiece alignment component (4);

The top surface of the operation table body (2) is provided with workpiece clamping components (3) at positions outside two sides of the workpiece body (1), and the workpiece clamping components (3) are used for clamping and fixing the aligned workpiece body (1).

2. The machining center clamping mechanism of claim 1, wherein the operation table body (2) is a round table, a connecting flange (201) which is coaxially arranged is fixedly extended outwards from the bottom of the periphery of the operation table body (2), and a plurality of connecting holes (202) are vertically formed in the connecting flange (201).

3. A machining center clamping mechanism according to claim 2, wherein the workpiece body (1) is a cylindrical workpiece.

4. The machining center clamping mechanism according to claim 3, wherein the workpiece clamping assemblies (3) are arranged on the top surface of the operating table body (2) at positions outside the front and rear of the workpiece body (1) and are used for carrying out auxiliary clamping and fixing on the workpiece body (1).

5. The machining center clamping mechanism according to any one of claims 1 to 4, wherein the workpiece alignment component (4) comprises a mounting seat (403) and a force application block (406), the mounting seats (403) are vertically fixed on the top surface of the operating table body (2) at positions on two sides of the inner periphery of the workpiece body (1), the two mounting seats (403) are symmetrically distributed about the central axis of the operating table body (2), guide holes (404) are transversely formed in the top of the mounting seats (403), the guide holes (404) at two side positions are transversely and coaxially matched, the central axes of the guide holes (404) at two side positions are radially arranged along the operating table body (2), the force application block (406) is arranged between the mounting seats (403) at two side positions, threaded sleeves (405) which are transversely arranged are coaxially extended and fixedly arranged on two side end surfaces of the force application block (406), the threaded sleeves (405) at two side positions are symmetrically distributed about the central axis of the operating table body (2), the threaded sleeves (405) are abutted against the threaded sleeves (402) at two side positions which are coaxially arranged on the two side surfaces (402) and are coaxially matched with each other, and the outer ends of the limit screws (402) at two sides, which are far away from each other, penetrate through the similar guide holes (404) in a coaxial sliding fit manner.

6. The machining center clamping mechanism according to claim 5, wherein elastic ends (401) made of buffer materials are coaxially fixed to outer ends, away from each other, of the limit screws (402) at two sides, and the outer surfaces of the elastic ends (401) are arc surfaces.

7. The machining center clamping mechanism according to claim 6, wherein the force application blocks (406) are all in the shape of an outer hexagon.

8. The clamping mechanism of a machining center according to claim 6 or 7, wherein the workpiece clamping assemblies (3) comprise cylinder bodies (301) and clamping bases (305), the cylinder bodies (301) at two side positions are arranged transversely and are respectively arranged at two outer side positions of the workpiece body (1), the cylinder bodies (301) are fixed at the outer edge positions of the top surface of the operating platform body (2) through cylinder bases (303), inner ends, close to each other, of push rods (302) of the cylinder bodies (301) penetrate through the corresponding cylinder bases (303) in a sliding fit mode, the clamping bases (305) are fixedly installed through fixing sleeves (304), pressing grooves (307) capable of being pressed on the periphery of the workpiece body (1) are formed in end faces, opposite to each other, of the clamping bases (305), and the pressing grooves (307) are through grooves in the vertical direction.

9. The machining center clamping mechanism according to claim 8, wherein the horizontal cross section of the pressing grooves (307) is V-shaped, the inner surfaces of the pressing grooves (307) are covered and fixed with buffer cushions (306) made of buffer materials, and the profile trend of the buffer cushions (306) is consistent with that of the corresponding pressing grooves (307).