Straight shackle bending forming tool

Abstract

The utility model relates to the technical field of straight shackles, in particular to a straight shackle bending forming tool which comprises an upper die plate, a punch is arranged on the lower end face of the upper die plate in a fixed structure mode, die holders are symmetrically arranged on the two sides of the punch in a sliding structure mode, rollers are arranged on the inner sides of the die holders in a rotating structure mode, and guide rails are arranged on the die holders in a sliding structure mode. The lower portion of the guide rail is provided with a bottom plate in a fixed structure mode and further provided with an inclined face structure, the upper die plate is pressed downwards to drive the two die bases to move inwards through the inclined face structure, that is, in the pressing process of the upper die plate, the two die bases are driven to move inwards through the inclined face structure to extrude the two sides of a workpiece, and due to the design of the linkage structure, other power sources are not needed, the structure is simple, and operation is convenient. And the machining precision is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of straight type shackle, in particular to a straight type shackle press bending forming tool. BACKGROUND

[0002] The shackle is also called a connecting ring, which is a commonly used connector in mechanical engineering. The commonly used shackles in engineering include a European large arc-shaped shackle, a straight type shackle, a round head shackle, a square head shackle, a D-shaped shackle and the like. In rescue operations, the shackle is a necessary connector between steel wires, between the steel wire and a vehicle body, between the steel wire and a pulley and between a rigid traction frame and the vehicle body.

[0003] The press bending device of the end shackle with the application number CN201010577198.1 is composed of a center pad, a hydraulic oil cylinder and a piston rod. The hydraulic oil cylinder is arranged in the front, rear, left and right directions; the fastening block is arranged on the front hydraulic oil cylinder; the center pad is arranged on the rear hydraulic oil cylinder; the rotating clamping frame is arranged on the left and right symmetrical hydraulic oil cylinders respectively; and the workpiece is clamped and bent.

[0004] The patent application uses multiple hydraulic oil cylinders to press bend the workpiece, which has a large cost investment and a relatively complex hydraulic system design, needs a large amount of time for maintenance and maintenance and cannot meet the needs of existing production. Practical new type content

[0005] To solve the above technical problems, the straight type shackle press bending forming tool is provided, and the technical problem solved is that the hydraulic system design is relatively complex, a large amount of time is needed for maintenance and maintenance, the cost is high and the needs of existing production cannot be met. To solve the above technical problems, the technical scheme adopted by the present application is:

[0006] The straight type shackle press bending forming tool is characterized by comprising:

[0007] an upper die plate;

[0008] a punch, which is arranged on the lower end surface of the upper die plate in a fixed structure mode;

[0009] a die seat, which is arranged on both sides of the punch in a symmetrical sliding structure mode;

[0010] a roller, which is connected to the die seat in a rotating structure mode;

[0011] a guide rail, which is connected to the die seat in a sliding structure mode;

[0012] a bottom plate, which is connected to the guide rail in a fixed structure mode;

[0013] an inclined surface structure, through which the upper die plate drives the two die seats to move inwardly when being pressed downwardly;

[0014] Reset structure, reset mechanism and bottom plate or guide rail are connected in fixed structure mode to drive the die holder to reset outward.

[0015] Further, the punch is symmetrically provided with a pressing block on both sides, and the pressing block is connected to the upper die plate in a fixed structure mode; the inclined surface structure comprises an inclined surface A formed in the lower inner side of the pressing block.

[0016] Further, the die holder is provided with an inclined surface B on the outer side of the upper part, which is matched with the inclined surface A.

[0017] The guide rail is provided with a sliding block connected to the die holder through a bolt, and a key is arranged between the sliding block and the die holder.

[0018] Further, the reset structure comprises a bolt, a spring and a rear stopper, and one end of the bolt is connected to the sliding block through thread engagement after penetrating through the spring and the rear stopper.

[0019] Further, the die holder is provided with a recess, and a pin shaft is arranged in the recess and sleeved in the inner part of the roller.

[0020] Further, the bottom plate is provided with a support on one side in a fixed structure mode, the support is provided with a material returning plate in a fixed structure mode, and the material returning plate is provided with a through hole for the punch to pass through.

[0021] Further, the guide rail is provided with an embedding groove on the upper end surface, and a plurality of steel balls for supporting the sliding block are arranged in the embedding groove.

[0022] Further, the bottom plate and the guide rail are both provided with a blanking port.

[0023] The beneficial effects of the utility model are as follows: in the process of pressing the upper die plate, the two die holders are driven to move inward through the inclined surface structure to extrude the two sides of the workpiece, the design of the linkage structure does not need other power sources, the structure is simple, and the machining precision is improved.

[0024] The workpiece pressed on the punch is stripped through the setting of the material returning plate, and the production efficiency is improved. DRAWINGS:

[0025] Figure 1 is the front view structural schematic diagram of the utility model.

[0026] Figure 2 is the bottom plate part three-dimensional structure schematic diagram of the utility model.

[0027] Figure 3 is the structure schematic diagram of the utility model embodiment.

[0028] IN THE DRAWINGS:

[0029] 1, bottom plate, 2, guide rail, 3, die holder, 4, sliding block, 5, key, 6, rear stop, 7, spring, 8, roller, 9, pin shaft, 10, bracket, 11, material return plate, 12, inclined surface A, 13, inclined surface B, 14, steel ball, 15, upper die plate, 16, pressing block, 17, punch, 18, blanking port. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the drawings and embodiments, so that the public can better master the implementation method of the utility model, and the specific implementation scheme of the utility model is as follows:

[0031] The straight type shackle bending forming tool includes an upper die plate 15, a punch 17 is arranged on the lower end face of the upper die plate 15 in a fixed structure mode, two die holders 3 are symmetrically arranged on the two sides of the punch 17 in a sliding structure mode, rollers 8 are arranged on the inner sides of the die holders 3 in a rotating structure mode, the die holders 3 are arranged on the guide rails 2 in a sliding structure mode, the lower parts of the guide rails 2 are arranged on the bottom plate 1 in a fixed structure mode, and an inclined surface structure is further arranged, the upper die plate 15 is pressed downward through the inclined surface structure to drive the two die holders 3 to move inward, that is, in the process of pressing downward of the upper die plate 15, the two die holders 3 are driven to move inward through the inclined surface structure to extrude the two sides of the workpiece, the design of the linkage structure does not need other power sources, the structure is simple, and the machining precision is improved.

[0032] Specifically, the punch 17 is symmetrically provided with pressing blocks 16 which are connected to the upper die plate 15 in a fixed structure mode, the inclined surface structure includes inclined surfaces A 12 which are arranged on the inner sides of the lower parts of the pressing blocks 16, the two inclined surfaces A 12 are arranged in an eight-character structure, the inclined surfaces A 12 contact the upper outer sides of the die holders 3 when being pressed downward to drive the die holders 3 to move inward, in order to better drive the die holders 3 to move inward, the upper outer sides of the die holders 3 are provided with inclined surfaces B 13 which are matched with the inclined surfaces A 12.

[0033] It should be noted that the die holders 3 are provided with grooves, the pin shafts 9 are arranged in the grooves, and the pin shafts 9 are sleeved in the rollers 8 to improve the bending efficiency.

[0034] It should be noted that in order to facilitate the replacement of different die holders 3 to process different load-bearing shackles, the upper parts of the guide rails 2 are provided with sliding blocks 4 which are connected to the die holders 3 through bolts, and the sliding blocks 4 and the die holders 3 are provided with keys 5.

[0035] In order to make the operation resistance of the die holders 3 smaller, the upper end faces of the guide rails 2 are provided with embedding grooves, and the embedding grooves are provided with a plurality of steel balls 14 which support the sliding blocks 4.

[0036] In order to facilitate the collection of the workpieces which have been machined, the bottom plate 1 and the guide rails 2 are both provided with blanking ports 18.

[0037] It needs to be explained that the bottom plate 1 is provided with a reset mechanism in a fixed structure mode to drive the die holder 3 to reset outwardly.

[0038] One side of the bottom plate 1 is provided with a support 10 in a fixed structure mode, the support 10 is provided with a material returning plate 11 in a fixed structure mode, the material returning plate 11 is provided with a through hole for the punch 17 to pass through, the workpiece pressed on the punch 17 is peeled off to improve the production efficiency

[0039] The working principle and working process of the utility model are as follows:

[0040] The upper die plate 15 of the device is installed on the punch flywheel, and the bottom plate 1 is installed on the operation table.

[0041] The workpiece to be bent is placed in the cavity of the die holder 3, the punch is started, the punch flywheel drives the upper die plate 15, the pressing block 16 and the punch 17 to press down, the punch 17 first contacts the workpiece, continues to press down, when the inclined surface A12 contacts the inclined surface B13, with the continuous pressing, the pressing block 16 drives the sliding block 4 to move inwardly by pushing the die holder 3, and then further extrudes the outside of the workpiece, until the upper end surface of the workpiece is completely cut and combined with the outside of the punch 17, at this time the spring 7 is gradually compressed.

[0042] The punch flywheel is started to move upwardly, the punch 17 with the bent workpiece is peeled off and falls into the material falling port 18 when passing through the material returning plate 11 to be collected; the nut of the bolt is driven by the elastic force of the spring, the sliding block 4 and the die holder 3 are driven to move outwardly to reset, and a work cycle is completed.

[0043] In the description of the utility model, it needs to be understood that the directions or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "front", "rear", "lower left", "upper right", "outer", "clockwise", "counterclockwise" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a particular direction, a particular direction and operation, therefore, it cannot be understood as a limitation on the protection scope of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Although the utility model is described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of the utility model described herein.

Claims

1. Straight type shackle press bending forming tool, characterized in that, The utility model relates to a kind of stamping machine, including: Upper die plate (15); Punch (17), punch (17) is arranged in fixed structure mode in the lower end surface of upper die plate (15); Die holder (3), two die holders (3) are symmetrically arranged in sliding structure mode in the both sides of punch (17); Roller (8), roller (8) is connected with die holder (3) in rotating structure mode; Guide rail (2), guide rail (2) is connected with die holder (3) in sliding structure mode; Bottom plate (1), bottom plate (1) is connected with guide rail (2) in fixed structure mode; Inclined surface structure, upper die plate (15) is driven to move inwards by inclined surface structure when pressing through; Reset mechanism, reset mechanism is connected with bottom plate (1) or guide rail (2) in fixed structure mode, to drive die holder (3) to reset outward.

2. The straight shackle swage forming tool of claim 1 wherein: Punch (17) is symmetrically provided with pressing block (16) in both sides, and pressing block (16) is connected with upper die plate (15) in fixed structure mode; Inclined surface structure includes the inclined surface A (12) of being set in the lower part inner side of pressing block (16).

3. The straight shackle swage forming tool of claim 2 wherein: Die holder (3) upper outer side is provided with the inclined surface B (13) of being adapted to inclined surface A (12).

4. The straight shackle swage forming tool of claim 1 wherein: Guide rail (2) upper portion is provided with sliding block (4) connected with die holder (3) by bolt, and key (5) is arranged between sliding block (4) and die holder (3).

5. The straight shackle swage forming tool of claim 4 wherein: Reset mechanism includes bolt, spring (7) and backstop (6), and one end of bolt is connected with sliding block (4) by thread engagement after passing through spring (7) and backstop (6).

6. The straight shackle swage forming tool of claim 1 wherein: Die holder (3) is provided with recess, and pin shaft (9) is arranged in recess, and pin shaft (9) is sleeved in the inside of roller (8).

7. The straight shackle swage forming tool of claim 1 wherein: Bottom plate (1) one side is provided with bracket (10) in fixed structure mode, bracket (10) is provided with material return plate (11) by fixed structure mode, and material return plate (11) is provided with through hole for punch (17) to pass through.

8. The straight shackle swage forming tool of claim 1 wherein: The upper end surface of guide rail (2) is provided with embedding groove, and embedding groove is provided with a plurality of steel balls (14) for supporting sliding block (4).

9. The straight shackle swage forming tool of claim 1 wherein: Bottom plate (1) and guide rail (2) are all provided with blanking opening (18).

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