JP2520188B2 - Supporting device for single curved plate - Google Patents

Description

TECHNICAL FIELD The present invention relates to a device for supporting a single-curved plate body for tightening bolts and nuts to the single-curved plate body such as a net for a threshing device. .

[Conventional technology]

Conventionally, when assembling a receiving net for a threshing device and an accessory member such as a receiving frame with bolts and nuts, the bolts and nuts are lined up in the direction along the curve of the receiving net, so all necessary number of bolts The nut was artificially tightened.

[Problems to be Solved by the Invention]

Hold the nut so that it will not be displaced from the bolt hole,
Moreover, it is necessary to perform a nut operation for stopping rotation so as not to rotate together with the bolt and a bolt operation for rotating the bolt for all the bolts and nuts, resulting in poor assembly work efficiency.

It is an object of the present invention to make it possible to efficiently perform an assembling work without requiring any manual operation on at least a bolt or a nut.

[Means for solving the problem]

In order to achieve the object, the supporting device for a single curved plate-shaped body according to the present invention is provided with a receiving portion for supporting the single curved surface plate-shaped body, and the curved surface of the single curved plate-shaped body is curved. A plurality of holders for holding a plurality of bolts or nuts, which are mounted in a state in which they are arranged in a direction along the direction of, and in which the screwing direction is along the radius of curvature of the single-curved plate-shaped body, respectively, in a non-rotating state. The stopper is attached to the support device main body in a state of individually sliding in the curvature radius direction of the single-curved plate body supported by the stopper, and the holder is close to the single-curved plate supported by the receiving portion. A first attachment position that enables tightening of a bolt or a nut held by a holder, and a bolt that is attached to the single-curved plate body by separating the holder from the single-curved plate body supported by the receiving portion; At the second mounting position where it disengages from the nut, Slides switched serial retainer, and is provided with a manipulation mechanism that maintains all of the retainer to the first attachment location and said second attachment position. The action and effect are as follows.

[Action]

A nut or bolt is attached to the holder that has been switched to and maintained at the first attachment position by the operation mechanism, and the single curved plate-like body is attached to the apparatus body in this state, and the bolt or nut set at the predetermined attachment position. Is manually operated or rotated by a screw tightening robot. Then, the retainer positions the nut or the bolt so as to match the bolt or the nut, and holds the nut or the bolt so that the nut and the bolt do not rotate together, so that the bolt and the nut are tightened as desired. . After that, when the holding mechanism is switched to the second mounting state by the operating mechanism, all the holding fixtures slide at once in the radius direction of the curve of the single-curved plate-like body and separate from the nuts or bolts. Even though the bolts are arranged in the direction along the curve of the single-curved plate body, and the holding tool acts on the nut or the bolt during the tightening operation, the single-curved plate body is supported. Can be removed from the.

〔The invention's effect〕

Since the holder can be switched between the first mounting position and the second mounting position, screwing can be mechanically performed by a robot, or even when screwing is manually performed, one of the nut and the bolt can be manually operated. In addition, the positions of all the holders can be switched at once by the operating mechanism, and the single curved plate can be efficiently assembled from the surface of removing the holders for productivity. Can be improved.

〔Example〕

 Next, examples will be shown.

As shown in FIG. 6, a screw tightening device (A) having a supporting base (2) and a screw tightening robot (3) attached to a machine base (1), and the screw tightening device (A) is detachable. The receiving net supporting device (B) constitutes a receiving net assembler.
This receiver net assembler has a resin net (4) as shown in FIG.
And a metal net (5) and two bows (6),
(6) and (6) are fastened and connected by a large number of bolts and nuts arranged in the direction along the curve of the receiving net (4) and in the non-curving direction to assemble the receiving net for the threshing device. Then, the receiving net support device (B) is manually operated to receive the receiving net frame (5) and the receiving net (4).
And the bow metal (6) are mounted in a predetermined overlapping state and the bolts and nuts (26a) to (26e) are mounted, and the receiving net support device (B) in this mounted state is attached to a pair of support bases (2). When the mesh support device (B) is inserted into the support rails (7) and (7) by a manual operation, and the mesh support device (B) comes into contact with the positioning stopper (8) in a predetermined mounting state, the retaining device (9) is released from the released state. The operation is switched to the operating state to fix the receiving net support mounting (B) in the mounted state, and the screw tightening device (A) is started. Then, an automatic screw tightening control mechanism (not shown) switches to the operating side, and automatically controls the screw tightening robot (3) and the alignment motor (11) based on information from the support stand attitude detection sensor (10) and the like. By doing so, all bolts and nuts can be automatically tightened. That is, when the screw tightening device (A) is started, the work arm (3a) of the screw tightening robot (3) approaches the receiving net support device (B) and performs the bolt tightening operation. Bolts in the non-curving direction of the receiving net are repeated by moving away from the net supporting device (B) in the non-curving direction of the receiving net (4) and aligning operation to match the bolt next to the previous screw tightening end bolt. A screw is fastened to the row, and as the screw tightening is completed, the working arm (3a) is separated from and retracted from the net supporting device (B), and the alignment motor (11) is rotated to move the support base ( 2) Rotate 2) with respect to the machine base (1) by a set angle to align the bolt row next to the previous bolt row that completes the screw tightening with the working arm (3a), and complete this alignment. Along with this, the work arm (3a) is again tightened with the screw. The screw tightening robot (3) and the positioning motor (11) can tighten all the bolts and nuts by tightening the screw and the bolt so that the screw tightening is performed on the bolt row by repeating the operation and the positioning operation. It repeats until it is finished. When all the bolts and nuts have been tightened, the net (4) and the like are manually removed from the net support device (B) to obtain a fully assembled threshing device net.

The net support device (B) is constructed in detail as shown in FIGS.

That is, the support device body (15) is formed by the base plate (12), the pair of left and right side panels (13a) and (13b), and the pair of panel connecting rods (14) and (14). A pair of support pins (18), (1) which are distributed to both ends of the first socket support rod (16) installed on the side panels (13a) and (13b) and which are attached through the attachment members (17).
8) and the panel connecting rods (14), (14) form a receiving portion for the receiving net (4) of the supporting device main body (15), and sliding support arms are provided on the left and right mounting members (17). (1
By attaching the lock (20) via the lock lever (21) and swinging the lock lever (21), the lock (2)
0) is configured to switch between a lower lock position where the net (4) and the like are pressed against the support pin (18) and an ascending release position, and the net frame (5), the net (4) and the bow. The gold (6) is placed in a predetermined overlapping state, and the support pin (18) and the panel connecting rod are arranged such that the direction along the curve of the receiving net (4) is the front-back direction of the support device main body (15). It is placed on (14) to receive and support it, and left and right locks (19), (1
By fixing by 9), the supporting device body (15)
It is configured to be attached to the.

The first socket support rod (16) is provided with a plurality of first sockets (16a), which are arranged in parallel in the left-right direction of the support device body (15), facing upward, and is provided in the left-right direction of the support device body (15). A second socket support rod (22) provided with a plurality of second sockets (22a) ... Or third sockets (23a) ... Or fourth sockets (24a) ... Or fifth sockets (25a). 3 socket support rod (23) or 4th
Socket support rod (24) or fifth socket support rod (25)
Is positioned on the front side or the rear side of the support device main body with respect to the first socket support rod (16) and is installed over the side panels (13a) and (13b). Prior to mounting the receiving net (4) and the like on the support device body (15), the sockets (16a) and (22
a) to (25a) to nut (26a) or (26b) ... (26
If e) is attached, all nuts (26
The sockets (16a) and (22a) to (25a) are arranged so that the sockets (16a) and (22a) to (25a) are in a position in which a) to (26e) are concentrically or substantially concentrically opposed to the multiple bolt holes of the receiving net (4). (2
6a) or (26b) ... (26e) is held. The sockets (16a) and (22a) to (26a) are detachable from the hexagonal parts of the nuts (26a) or (26b) ... (26e) and are fitted to the nuts (26a) so that they cannot rotate relative to each other. Alternatively, (26b) ... (26e) is supported in a non-rotating state, and the nuts (26a) or (26b) ... (26e) can be removed.

Second to fifth socket support rods (22), (23), (2
As shown in FIG. 4, the both ends of 4) and (25) are attached to the support rod mounting holes (27) of the side panel (13a) or (13b).
Is a long hole, so that the moving roller (29) is configured to move along the side surface of the side panel (13a) or (13b) and the guide roller (28). Fifth socket (22a), (23a), (24
a) and (25a) are allowed to slide with respect to the support device body (15) in the radial direction of curvature of the support net (4) supported by the support pin (18) and the panel connecting rod (14). . Second to fifth socket support rods (22), (23), (24),
(25) A cam band plate (30a) slidably fitted to an end portion protruding outward from each one side panel (13a), and second to fifth socket support rods (22), (23). ),
(24), (25) A cam band plate (30) slidably fitted on the end protruding outward from the other side panel (13b) of each.
b) is slidably attached to the side panel (13a) or (13b) via a plurality of guide rollers (31).
A pair of sector gears (33a) and (33b) respectively engaged with the gear portion (32a) of one cam strip plate (30a) and the gear portion (32b) of the other cam strip plate (30b) are attached to the rotary shaft (34 ), The pair of cam strips (30a) and (30b) are interlocked to rotate in the same direction, and the switching lever (35) is integrally rotated to one end of the rotary shaft (34). The switching lever (35) is actuated by the detent mechanism (36) and the switching lever (35) is swung to operate the second to fifth sockets (22a), (23a), (). 24a), (2
5a) switching the mounting position and holding the position all at once, tightening the bolts and nuts with the screw tightening device (A), and
Receptor net support device (B) for threshing device nets that have been assembled
The operation mechanism (37) is configured so that the operation mechanism (37) can be removed.

That is, as shown in FIG. 1, the switching lever (35)
When swinging is performed around the axis of the rotary shaft (34) to the raised position (U), either the left or right side is moved due to the sliding operation by the sector gears (33a) and (33b) that rotate with the lever operation. The cam strip plate (30a) is in the push-up position where the roller cam followers (39) of the socket support rods (22) to (25) are located at one end side of the cam elongated hole (38), and the cam strip plate (30a). The second to fifth sockets (22a), (23a), (24a) and (25a) are supported by the support pins (18) due to the push-up action of the socket support rods (22) to (25) of the and (30b). And the nut (26b) or (26c) (26) in close proximity to the net (4) supported by the panel connecting rod (14).
This is the first mounting position for holding d) or (26e) close to the bolt holes of the receiving net (4). Then, the detent mechanism (36) holds the switching lever (35) in the raised position (U), and the nut (26b) or (26c) or (26d) or (26e) regardless of the action of the screw tightening robot (3). ) Is not lowered, the second to fifth sockets (22a), (23a), (24a) and (25a) are maintained at the first mounting position, so that the screw tightening robot (3) can fix bolts and nuts. The tightening operation becomes possible.

As shown in FIG. 2, when the switching lever (35) is operated to the lowered position (D), either the left or right cam band plate (30) is operated due to the sliding operation by the sector gears (33a) and (33b).
a) and (30b) are in the pull-down position where the cam followers (39) of the socket support rods (22) to (25) are located on the other end side of the cam elongated hole (38), and the cam strips (30a), (30b). The second to fifth sockets (22a), (23a), due to the lowering action of the socket support rods (22) to (25) of the socket support rods (22) to (25),
Nuts (26b) or (26c) attached to the net (4) by lowering (24a) and (25a) from the net (4) supported by the support pin (18) and the panel connecting rod (14), or (26
This is the second mounting position where it departs from d) or (26e). Then, the detent mechanism (36) causes the switching lever (3
5) is held in the lowered position (D) and the sockets (22a) to (25a) are set so as to enable the nuts (26b) to (26e) to rise as the receiving net (4) rises. By maintaining the second mounting position, it becomes possible to lift the assembled net for the threshing device from the support device main body (15) along the axial direction of the first socket (16a). .

The left and right mounting members (17) are configured to adjust the mounting position by a sliding operation along the first socket support rod (16) and to be fixed to the adjusted position by the lock pin (40). I am doing it. That is, when the receiving nets having different sizes are to be assembled, the position of the attaching member (17) is adjusted to the attaching position according to the size, and the locking device (20) is attached regardless of the size change of the receiving nets. It is designed so that the nets can be assembled by operating them.

The lock pin (40) is moved to a release position where it is pulled out of the pin hole of the attachment member (17) by pulling up the operation tool (41), and the lock biasing spring (42) is used to move the attachment member (1).
It is attached to the first socket support rod (16) so as to switch to and maintain the operating position for engaging with 7).

[Another embodiment]

The first socket (16a) may be configured and implemented so that the position thereof can be switched similarly to the second to fifth sockets.

The present invention can also be applied to the case where the sockets (22a) to (25a) are replaced by different means for supporting nuts or the bolts are supported by the supporting device body. Therefore, the sockets (22a) to (25a) are referred to as holders (22a) to (25a).

The present invention can be applied to an apparatus in which a curved iron plate or the like is assembled, other than the net. That is, as long as a plate body, a net body or the like which is curved in a cylindrical surface is an assembly target, these are collectively referred to as a single curved plate body (4).

It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show an embodiment of a supporting device for a single curved plate according to the present invention. FIGS. 1 and 2 are side views with a part cut away of the supporting device, and FIGS. 3 and 4 are views of the supporting device. Front view with some cutouts,
FIG. 5 is a perspective view of the receiving net, and FIG. 6 is a perspective view of the entire receiving net assembling machine. (4) ... single curved plate, (14), (18) ... receiving part, (15) ... support device body, (22a) to (25a) ...
… Holders, (26b) to (26e) …… nuts, (37)…
… Operating mechanism.

Claims (1)

(57) [Claims] 1. A support device main body (15) is provided with receiving portions (14), (18) for supporting a single-curved plate-like body (4), and the single-curved plate-like body (4) is provided with this. A plurality of bolts or nuts (26b), (26c), (26d), (26a, 26d), which are arranged in the direction along the curve and whose screwing direction is along the radius of curvature of the single curved plate (4). A plurality of holders (22a), (23a), which respectively hold 26e) in a non-rotating state,
The support device body (15) while sliding (24a) and (25a) separately in the curvature radius direction of the single curved plate-like body (4) supported by the receiving portions (14) and (18). A single curved plate-like body (4) supported by the receiving parts (14) and (18) by the holders (22a), (23a), (24a) and (25a).
In close proximity to the holders (22a), (23a), (24a), (2
5a) holding bolts or nuts (26b), (26c),
(26d), (26e) first mounting position that enables tightening, and the holders (22a), (23a), (24a), (25a) of the receiving portion (14), (18) A second mounting position for separating from the supporting single curved plate (4) and detaching from the bolts or nuts (26b), (26c), (26d), (26e) attached to the single curved plate (4). And all of the holders (22a),
(23a), (24a), (25a) are slidingly switched, and all the holders (22a), (23a), (24a), (25a) are located at the first mounting position and the second mounting position. ) A supporting device for a single-curved plate body provided with an operation mechanism (37) for maintaining the above.