CN219724233U - Accurate positioning type pre-bending jig - Google Patents

Abstract

The utility model relates to a precise positioning type pre-bending jig, which relates to the technical field of mechanical workpiece manufacturing and comprises a workbench, a workpiece and a mounting plate, wherein the mounting plate is connected with the workbench, a mounting groove for placing the workpiece is formed in the mounting plate, a limiting block is arranged on the mounting plate, one end of the workpiece is abutted with the limiting block, a positioning block and a driving block are arranged on the workbench, the positioning block is abutted with the workpiece, and the driving block is used for extruding the workpiece. The utility model has the effect of improving the bending accuracy of the workpiece.

Description

Accurate positioning type pre-bending jig

Technical Field

The utility model relates to the technical field of mechanical workpiece manufacturing, in particular to a precise positioning type pre-bending jig.

Background

The tool is a large tool for woodworking, ironwork, bench workers, machinery, electric control and other handicraft articles, and is mainly used as a tool for assisting in controlling position or action. Some types of jigs are also referred to as "dies" or "aids", the primary purpose of which is to repeat and accurately repeat the remanufacturing of a part. In the production and processing process of electronic products, certain workpieces often need to be subjected to pre-bending treatment, so that the workpieces are convenient to assemble subsequently.

A bending jig in the related art comprises a base station, wherein a bending mechanism for bending a workpiece is arranged on the base station, the bending mechanism comprises a gear and a bending insert arranged on the gear, and the bending insert is used for synchronously rotating along with the rotation of the gear so as to apply force to the workpiece when the gear is driven, so that the workpiece is bent and deformed. The bending mechanism further comprises a driving device for driving the gear to rotate, the driving device comprises an air cylinder and a rack, the air cylinder is used for driving the rack to stretch and retract, and the rack is meshed with the gear to drive the gear to rotate.

With respect to the related art, the inventor finds that the workpiece is generally placed on the base by a worker to carry out bending processing, the bending position of the workpiece is easy to deviate, and the bent workpiece needs to be trimmed, so that the defective rate of the workpiece is increased, and the assembly efficiency of the workpiece is affected.

Disclosure of Invention

In order to solve the problem that deviation is easy to occur in the bending position of a workpiece, the utility model provides a precise positioning type pre-bending jig.

The utility model provides a precise positioning type pre-bending jig which adopts the following technical scheme:

the utility model provides a tool of bending in advance of accurate location formula, includes workstation, work piece and mounting panel, the mounting panel with the workstation is connected, set up the confession on the mounting panel the mounting groove that the work piece was placed, be equipped with on the mounting panel and be used for prescribing a limit to work piece mounted position, the one end of work piece with the stopper butt, be equipped with locating piece and drive block on the workstation, the locating piece with the work piece butt, the drive block is used for the extrusion the work piece.

Through adopting above-mentioned technical scheme, the staff installs the work piece in the mounting groove for the one end and the stopper butt of work piece, one side and the locating piece butt of work piece, under the extruded effect of drive piece, make the work piece buckle with the locating piece as the center of buckling. The staff can adjust the position of stopper on the mounting panel according to the position of waiting to process the required bending of work piece to limited the position of locating piece and work piece butt, and then can confirm the bending position of work piece, improved the machining precision of work piece.

Optionally, be equipped with the connecting block on the stopper, set up a plurality of confession on the mounting panel connecting block male connecting hole, the connecting block with the pore wall butt of connecting hole, and a plurality of connecting holes are followed the length direction of mounting panel is seted up.

Through adopting above-mentioned technical scheme, the staff can be according to the position of waiting to process the required buckling of work piece, inserts the connecting block on the stopper in the connecting hole of suitable position on the mounting panel for adjust the work piece install when on the workstation with the butt position of locating piece.

Optionally, the cell wall of mounting groove is equipped with the chucking piece, the joint piece is followed the length direction setting of mounting groove, the chucking piece with the work piece butt.

Through adopting above-mentioned technical scheme, in the work piece inserts the mounting groove, the chucking piece receives the work piece extrusion deformation, has improved the frictional force between work piece and the mounting groove cell wall for the work piece is difficult for breaking away from the workstation.

Optionally, be equipped with on the mounting panel and be used for pressing from both sides tight the clamping assembly of work piece, the clamping assembly includes butt piece, grip block and actuating lever, the butt piece with mounting panel fixed connection, just the butt piece with one side butt of work piece, the grip block slides and sets up on the mounting panel, the mounting panel top is equipped with the fixed block, the actuating lever with fixed block threaded connection, the one end of actuating lever with the grip block rotates to be connected, the grip block with one side butt of butt piece is kept away from to the work piece.

Through adopting above-mentioned technical scheme, after the work piece inserts the mounting groove, the staff is through rotating the actuating lever for the grip block moves towards the butt piece, makes grip block and work piece support tightly, thereby further plays fixed effect to the work piece, makes the work piece be difficult for breaking away from the workstation under the effect of actuating block, has improved the stability of work piece when buckling.

Optionally, a sliding groove is formed in the mounting plate, a sliding block is arranged on the clamping block, and the sliding block is arranged in the sliding groove in a sliding manner.

Through adopting above-mentioned technical scheme, the sliding tray has limited the sliding track of sliding block for the difficult off normal condition that appears when removing of grip block, and then improved the stability when grip block and work piece butt.

Optionally, be equipped with on the workstation and be used for the drive assembly that the drive piece removed, drive assembly includes driving piece, carousel, the driving piece with the workstation is connected, the drive piece with the carousel is connected, the output shaft of driving piece with the carousel is kept away from the coaxial fixed of one end of drive piece.

By adopting the technical scheme, the driving piece is started, and the output shaft of the driving piece drives the turntable to rotate, so that the driving block extrudes the workpiece under the drive of the turntable, and the workpiece is bent.

Optionally, the workbench is provided with a yielding groove for the driving block to move, and the driving block is abutted with the groove wall of the yielding groove.

Through adopting above-mentioned technical scheme, the removal orbit of driving piece has been limited to the groove of stepping down for the driving piece is difficult for the off normal condition of appearing in the in-process that removes, makes the concentrated effect of the thrust of driving piece on the work piece, has improved the bending efficiency of work piece.

Optionally, a plurality of positioning grooves are formed in the groove wall of the abdication groove, the positioning grooves are formed in the length direction of the abdication groove, and a control block is inserted in the positioning grooves.

By adopting the technical scheme, the control block is inserted in the positioning groove, and the driving block pushes the workpiece to bend, so that the workpiece is abutted with the control block, and the bending angle of the workpiece is determined. The staff is through inserting the control block and establish in the constant head tank of different positions, inject the different travel distance of drive block, and then can adjust the angle of buckling of work piece, has improved the precision of work piece buckling.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the limiting block is arranged on the workbench, so that the position of the workpiece mounted on the workbench is limited, the abutting position of the positioning block and the workpiece is limited, the bending position of the workpiece can be determined, and the machining precision of the workpiece is improved;

2. through setting up the clamping assembly on the workstation, the staff is through rotating the actuating lever for the grip block supports tightly with the work piece, thereby plays fixed effect to the work piece, makes the work piece be difficult for breaking away from the workstation under the effect of actuating block, has improved the stability of work piece when buckling.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a precisely positioned pre-bending fixture according to an embodiment of the utility model.

Fig. 2 is a schematic structural view of a clamping assembly according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a stopper in an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a driving assembly according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a work table; 11. a positioning block; 12. a driving block; 13. a relief groove; 14. a positioning groove; 15. a control block; 2. a workpiece; 3. a mounting plate; 31. a mounting groove; 32. a limiting block; 33. a connecting block; 34. a connection hole; 35. a clamping block; 36. a sliding groove; 4. a clamping assembly; 41. an abutment block; 42. a clamping block; 43. a driving rod; 44. a fixed block; 45. a sliding block; 5. a drive assembly; 51. a driving member; 52. a turntable.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a precise positioning type pre-bending jig. Referring to fig. 1, a precision positioning type pre-bending jig comprises a workbench 1 and a workpiece 2, wherein a mounting plate 3 is fixedly connected to the workbench 1, a mounting groove 31 for clamping the workpiece 2 is formed in the mounting plate 3, and the mounting groove 31 is formed in the length direction of the mounting plate 3. A positioning block 11 is fixedly connected to the workbench 1, and the positioning block 11 is abutted against the workpiece 2. The workbench 1 is rotatably provided with a driving block 12, and the driving block 12 is abutted with one side, far away from the positioning block 11, of the workpiece 2 and is used for extruding the workpiece 2, so that the workpiece 2 is bent.

Referring to fig. 2 and 3, clamping blocks 35 are fixedly connected to the groove wall of the mounting groove 31, two clamping blocks 35 are provided in this embodiment, the clamping blocks 35 are made of elastic materials, the two clamping blocks 35 are oppositely arranged on the groove wall of the mounting groove 31, and the clamping blocks 35 are arranged along the length direction of the mounting groove 31. A plurality of connecting holes 34 are formed in the mounting plate 3, the connecting holes 34 are formed in the length direction of the mounting plate 3, a connecting block 33 is fixedly connected to the limiting block 32, the connecting block 33 is inserted into the connecting holes 34, and the connecting block 33 is in butt joint with the hole wall of the connecting holes 34.

The worker inserts the connecting block 33 on the limiting block 32 into the corresponding connecting hole 34 according to the bending position requirement of the workpiece 2. The workpiece 2 is inserted into the mounting groove 31, and the clamping block 35 is extruded by the workpiece 2 to deform, so that the friction between the workpiece 2 and the wall of the mounting groove 31 is improved, and the workpiece 2 is not easy to separate from the mounting groove 31. The workpiece 2 is slid so that the end of the workpiece 2 is abutted with the limiting block 32, so that the abutting position of the workpiece 2 and the positioning is limited, the bending position of the workpiece 2 is determined, and the machining precision of the workpiece 2 is improved.

Referring to fig. 2, the mounting plate 3 is provided with a clamping assembly 4, and the clamping assembly 4 is used for clamping the workpiece 2. The clamp assembly 4 includes an abutment block 41, a clamp block 42, and a drive lever 43, the abutment block 41 being fixedly connected to the mounting plate 3, and the workpiece 2 being in abutment with the abutment block 41. The clamping block 42 is fixedly connected with a sliding block, the mounting plate 3 is provided with a sliding groove 36 for the sliding block to slide, the sliding material is arranged along the width direction of the mounting plate 3, and the sliding block is abutted with the bottom of the sliding groove 36. The mounting plate 3 is fixedly connected with a fixed block 44, the fixed block 44 is in threaded connection with a driving rod 43, and one end of the driving rod 43 is in rotary connection with a clamping block 42.

The staff rotates actuating lever 43 for actuating lever 43 moves towards butt piece 41, and actuating lever 43 drives grip block 42 and slides in sliding tray 36, makes grip block 42 remove towards butt piece 41, makes grip block 42 support tightly with work piece 2, thereby further plays fixed effect to work piece 2, makes work piece 2 be difficult for breaking away from work table 1 under the effect of actuating block 12, has improved the stability of work piece 2 when buckling.

Referring to fig. 4, a driving assembly 5 is disposed on the workbench 1, the driving assembly 5 is used for controlling the driving block 12 to move, the driving assembly 5 includes a driving member 51 and a turntable 52, the driving member 51 is fixedly connected with the workbench 1, and in this embodiment, the driving member 51 is a forward and reverse motor. The rotary plate 52 is coaxially fixed with the output shaft of the driving member 51, and one side of the rotary plate 52 away from the driving member 51 is fixedly connected with the driving block 12.

Referring to fig. 1, a yielding groove 13 is formed in the workbench 1 for the driving block 12 to move, the yielding groove 13 is in an arc shape, the driving block 12 is abutted against the groove wall of the yielding groove 13, and the yielding groove 13 defines the movement track of the driving block 12, so that the driving block 12 is not easy to deviate in the moving process. The groove wall of the abdication groove 13 is provided with a plurality of positioning grooves 14, and the positioning grooves 14 are distributed along the length direction of the abdication groove 13. The positioning groove 14 is internally provided with a control block 15, and the control block 15 is used for limiting the moving range of the driving block 12, so that the bending angle of the workpiece 2 is limited, and the bending precision of the workpiece 2 is improved.

Before processing the workpiece 2, a worker inserts the control block 15 into the corresponding positioning groove 14 according to the required bending angle of the workpiece 2, starts the driving piece 51, and the output shaft of the driving piece 51 drives the rotary table 52 to rotate, so that the driving block 12 extrudes the workpiece 2 under the driving of the rotary table 52, the workpiece 2 is bent, and after the driving block 12 pushes the workpiece 2 to abut against the control block 15, the bending angle of the workpiece 2 is determined.

The implementation principle of the accurate positioning type pre-bending jig provided by the embodiment of the utility model is as follows: firstly, a worker firstly inserts a connecting block 33 of a limiting block 32 into a corresponding connecting hole 34 on the mounting plate 3 according to the bending requirement of the workpiece 2 so as to determine the bending position of the workpiece 2. The control block 15 is inserted into the corresponding positioning groove 14 to determine the bending angle of the workpiece 2. Then, the workpiece 2 is inserted into the mounting groove 31 on the mounting plate 3, the workpiece 2 is abutted against the stopper 32, and the driving rod 43 is rotated to clamp the workpiece 2 by the clamp block 42. The driving member 51 is then activated so that the driving block 12 presses the workpiece 2, so that the workpiece 2 is bent. Finally, after the workpiece 2 is bent and shaped, the driving rod 43 is rotated to enable the clamping block 42 to release the clamping state of the workpiece 2, and the workpiece 2 is taken out of the mounting groove 31.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. Accurate positioning type pre-bending jig is characterized in that: including workstation (1), work piece (2) and mounting panel (3), mounting panel (3) with workstation (1) are connected, set up on mounting panel (3) and supply mounting groove (31) that work piece (2) were placed, be equipped with on mounting panel (3) and be used for prescribing a limit to stopper (32) of work piece (2) mounted position, the one end of work piece (2) with stopper (32) butt, be equipped with locating piece (11) and driving piece (12) on workstation (1), locating piece (11) with work piece (2) butt, driving piece (12) are used for the extrusion work piece (2).

2. The precisely positioned pre-bending jig according to claim 1, wherein: the limiting block (32) is provided with a connecting block (33), the mounting plate (3) is provided with a plurality of connecting holes (34) for the connecting block (33) to be inserted, the connecting block (33) is in butt joint with the hole wall of the connecting hole (34), and the plurality of connecting holes (34) are formed along the length direction of the mounting plate (3).

3. The precisely positioned pre-bending jig according to claim 1, wherein: the clamping block (35) is arranged on the groove wall of the mounting groove (31), the clamping block (35) is arranged along the length direction of the mounting groove (31), and the clamping block (35) is abutted to the workpiece (2).

4. The precisely positioned pre-bending jig according to claim 1, wherein: be equipped with on mounting panel (3) and be used for pressing from both sides tight clamping assembly (4) of work piece (2), clamping assembly (4) include butt piece (41), grip block (42) and actuating lever (43), butt piece (41) with mounting panel (3) fixed connection, just butt piece (41) with one side butt of work piece (2), grip block (42) sliding set up on mounting panel (3), mounting panel (3) top is equipped with fixed block (44), actuating lever (43) with fixed block (44) threaded connection, one end of actuating lever (43) with grip block (42) rotate to be connected, grip block (42) with work piece (2) are kept away from one side butt of butt piece (41).

5. The precisely positioned pre-bending jig of claim 4, wherein: the mounting plate (3) is provided with a sliding groove (36), the clamping block (42) is provided with a sliding block (45), and the sliding block (45) is arranged in the sliding groove (36) in a sliding way.

6. The precisely positioned pre-bending jig according to claim 1, wherein: be equipped with on workstation (1) and be used for the drive subassembly (5) that drive piece (12) removed, drive subassembly (5) include driving piece (51), carousel (52), driving piece (51) with workstation (1) are connected, drive piece (12) with carousel (52) are connected, the output shaft of driving piece (51) with one end coaxial fixed that drive piece (12) were kept away from to carousel (52).

7. The precisely positioned pre-bending jig according to claim 1, wherein: and a yielding groove (13) for the driving block (12) to move is formed in the workbench (1), and the driving block (12) is abutted to the groove wall of the yielding groove (13).

8. The precisely positioned pre-bending jig of claim 7, wherein: the groove wall of the abdication groove (13) is provided with a plurality of positioning grooves (14), the positioning grooves (14) are formed along the length direction of the abdication groove (13), and the positioning grooves (14) are internally provided with control blocks (15).