In-mold asynchronous machine workpiece positioning structure

Abstract

The utility model discloses an in-mold asynchronous machine workpiece positioning structure which comprises a workbench, a workpiece containing shell is fixedly connected to the workbench, adjusting sliding grooves are formed in the inner walls of the two sides of the workpiece containing shell respectively, first two-way screws are rotationally installed in the adjusting sliding grooves respectively, and one sides of the first two-way screws are connected with the two ends of first movable rods through thread structures. The other side of the first two-way screw is connected with the two ends of a second movable rod through a thread structure, a clamping assembly is movably arranged on one end face of the second movable rod, and a top column is fixedly connected to the middle of one end face of the first movable rod. The two corner positions of one end of a workpiece are clamped and fixed through the clamping assembly, then the middle of the other end of the workpiece is tightly jacked and fixed through cooperation with the jacking column, and then clamping and positioning of the workpiece are achieved; clamping and positioning of the workpiece can be achieved by operating the clamping assembly and the hand wheel, and compared with a traditional mode that clamping operation can be achieved only through cooperation of a plurality of threaded rods, the clamping device is more convenient and faster to use.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece positioning, in particular to an in-mold asynchronous machine workpiece positioning structure. Background Art

[0002] The die-cutting machine is also called a die cutting machine, a cutting machine, or a CNC punching machine. It is mainly used for die-cutting, creasing, hot stamping, laminating, and automatic waste discharge of some corresponding non-metallic materials, self-adhesive stickers, EVA, double-sided tape, electronics, mobile phone pads, etc. The die-cutting machine uses steel knives, hardware molds, and steel wires to apply a certain amount of pressure through the stamping plate to cut printed products or cardboard into a certain shape.

[0003] Most of the in-mold asynchronous die-cutting machines in the prior art have the problem of being inconvenient to position the workpiece, and workers need to spend a certain amount of time and energy to operate. In this regard, a Chinese patent with publication number CN217292554U discloses an in-mold asynchronous die-cutting machine, including a workbench, a workpiece placement shell is fixedly connected to the front of the workbench, a workpiece body is arranged inside the workpiece placement shell, two connecting shells are symmetrically installed on the left and right sides of the workpiece placement shell, a telescopic rod is installed inside the connecting shell, one end of the telescopic rod close to the workpiece placement shell passes through the connecting shell and extends to the inside of the workpiece placement shell, one end of the two telescopic rods on the same side is fixedly connected by a positioning mechanism, and a connecting sleeve is fixedly installed at the center position of the positioning mechanism away from the workpiece body.

[0004] The asynchronous die-cutting machine realizes multi-directional clamping of the workpiece by setting a workpiece positioning structure. However, when in use, it requires the cooperation of multiple threaded structures to realize the clamping operation, and the operation is relatively cumbersome. Therefore, we propose an in-mold asynchronous machine workpiece positioning structure to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a workpiece positioning structure for an in-mold asynchronous machine to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an in-mold asynchronous machine workpiece positioning structure, comprising a workbench, a workpiece placement shell is fixedly connected to the workbench, and adjustment slide grooves are respectively provided on the inner walls on both sides of the workpiece placement shell, and a bidirectional screw rod 1 is rotatably installed in the adjustment slide groove, one side of the bidirectional screw rod 1 is connected to the two ends of a movable rod 1 through a threaded structure, and the other side of the bidirectional screw rod 1 is connected to the two ends of a movable rod 2 through a threaded structure, a clamping assembly is movably provided on one end surface of the movable rod 2, and a top column is fixedly connected to the middle part of one end surface of the movable rod 1.

[0007] Preferably, one end of the bidirectional screw is connected to a handwheel through a chain transmission structure, and the handwheel rotates to connect to the middle part of one end of the workpiece placement shell, and the chain transmission structure is movably arranged in an active cavity hollow at one end of the placement shell.

[0008] Preferably, the top column is a cylindrical rubber block.

[0009] Preferably, both ends of the movable rod 1 and the movable rod 2 are respectively slidably engaged in the adjusting sliding grooves.

[0010] Preferably, the clamping assembly includes a slide groove, a two-way screw rod, an adjusting block, a cylindrical pin, a splint, a connecting rod, and a tension spring. The slide groove is opened on both sides of an end surface of the movable rod, and the two-way screw rod is rotatably installed in the slide groove. The two sides of the two-way screw rod are respectively connected to the adjusting block through a threaded structure. The adjusting block is slidably arranged in the slide groove and the middle part of one end of the adjusting block is fixedly connected to the cylindrical pin. The cylindrical pin is rotatably connected to the splint, and one end of the splint is fixedly connected to the connecting rod, and the connecting rod is respectively fixedly connected to the two ends of the tension spring.

[0011] Preferably, a cavity is provided in the middle of the movable rod 2, and a driven bevel gear is fixedly sleeved on the middle of the screw rod 2, and the driven bevel gear is rotatably arranged in the cavity, and the driven bevel gear is meshed and connected to the active bevel gear, and the active bevel gear is fixedly connected to the adjusting knob, and the adjusting knob is rotatably connected to the movable rod 2, and the splint is an L-shaped structure and is symmetrically arranged on both sides of the movable rod 2, one side of the splint is arranged colinearly with the length direction of the connecting rod, and the connecting rods are arranged parallel to each other.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the two corner positions at one end of the workpiece are clamped and fixed by the clamping assembly, and then the middle part of the other end of the workpiece is tightened and fixed with the push column, thereby realizing the clamping and positioning of the workpiece; the utility model can realize the clamping and positioning of the workpiece by operating the two components of the clamping assembly and the hand wheel. Compared with the traditional clamping operation that requires the cooperation of multiple threaded rods, the utility model is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0016] In the figure: workbench 1, workpiece placement shell 2, adjusting slide 3, two-way screw 1 4, movable rod 1 5, movable rod 2 6, cavity 61, handwheel 7, clamping assembly 8, slide 81, two-way screw 2 82, adjusting block 83, cylindrical pin 84, splint 85, connecting rod 86, tension spring 87, adjusting knob 88, active bevel gear 89, driven bevel gear 80, top column 9. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example 1

[0019] Reference Figure 1 , 2 , which is the first embodiment of the utility model, and this embodiment provides an in-mold asynchronous machine workpiece positioning structure, including a workbench 1, a workpiece placement shell 2 is fixedly connected to the workbench 1, and adjustment slide grooves 3 are respectively opened on the inner walls of both sides of the workpiece placement shell 2, and a bidirectional screw rod 4 is rotatably installed in the adjusting slide groove 3, one side of the bidirectional screw rod 4 is connected to the two ends of a movable rod 5 through a threaded structure, and the other side of the bidirectional screw rod 4 is connected to the two ends of a movable rod 6 through a threaded structure, one end surface of the movable rod 6 is movably provided with a clamping assembly 8, and a top column 9 is fixedly connected to the middle part of one end surface of the movable rod 5.

[0020] After placing the workpiece to be fixed in the workpiece placement shell 2, operate the clamping assembly 8 to clamp the corner positions on both sides of one end of the workpiece, and then operate the hand wheel 7 to drive the bidirectional screw rod 4 to rotate synchronously through the chain transmission structure. The bidirectional screw rod 4 drives the movable rod 1 5 and the movable rod 2 6 to approach each other through the threaded structure. After the top column 9 fixed to the middle part of the movable rod 1 5 contacts the workpiece, the clamping assembly 8 is cooperated to clamp and fix the workpiece. The top column 9 cooperates with the clamping position point of the clamping assembly 8 to form a stable clamping of the triangular structure to ensure the stability of the workpiece positioning.

[0021] Example 2

[0022] Reference Figure 1-3, which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. Specifically, one end of the bidirectional screw rod 4 is connected to the hand wheel 7 through a chain transmission structure. The hand wheel 7 rotates to connect to the middle part of one end of the workpiece placement shell 2. The chain transmission structure is movably arranged in an active cavity hollow at one end of the placement shell 2. The arrangement of the chain transmission structure ensures that when the hand wheel 7 rotates, the bidirectional screw rods 4 on both sides can be synchronously driven to rotate in the same direction.

[0023] Specifically, the top column 9 is a cylindrical rubber block. The top column 9 made of rubber increases the friction when in contact with the workpiece, while preventing the top column 9 from causing wear to the workpiece.

[0024] Specifically, two ends of the movable rod 1 5 and the movable rod 2 6 are respectively slidably engaged in the adjusting sliding groove 3 .

[0025] Specifically, the clamping assembly 8 includes a slide groove 81, a two-way screw rod 82, an adjusting block 83, a cylindrical pin 84, a splint 85, a connecting rod 86, and a tension spring 87. The slide groove 81 is provided on both sides of one end surface of the movable rod 6, and a two-way screw rod 82 is rotatably installed in the slide groove 81. The two sides of the two-way screw rod 82 are respectively connected to the adjusting block 83 through a threaded structure. The adjusting block 83 is slidably arranged in the slide groove 81 and the middle part of one end of the adjusting block 83 is fixedly connected to the cylindrical pin 84. The cylindrical pin 84 is rotatably connected to the splint 85. One end of the splint 85 is fixedly connected to the connecting rod 86. The connecting rod 86 is respectively fixedly connected to the two ends of the tension spring 87.

[0026] Furthermore, a cavity 61 is provided in the middle of the movable rod 6, and a driven bevel gear 80 is fixedly sleeved on the middle of the screw rod 82. The driven bevel gear 80 is rotatably arranged in the cavity 61, and the driven bevel gear 80 is meshed and connected to the active bevel gear 89. The active bevel gear 89 is fixedly connected to the adjusting knob 88, and the adjusting knob 88 is rotatably connected to the movable rod 6. The splint 85 is an L-shaped structure and is symmetrically arranged on both sides of the movable rod 6. One side of the splint 85 is arranged in a colinear manner with the length direction of the connecting rod 86, and the connecting rods 86 are arranged parallel to each other.

[0027] Rotate the adjustment knob 88 of the clamping assembly 8 to drive the fixed active bevel gear 89 to rotate, and the active bevel gear 89 drives the meshing driven bevel gear 80 to rotate, and the driven bevel gear 80 drives the fixed bidirectional screw 82 to rotate. The bidirectional screw 82 drives the adjustment blocks 83 on both sides to approach each other through the threaded structure, and the cylindrical pin 84 fixed to the adjustment block 83 moves synchronously, and the cylindrical pin 84 drives the hinged clamp 85 to approach each other. The clamp 85 is an L-shaped structure, and then the corners on both sides of one end face of the workpiece are clamped in the clamp 85.

[0028] Example 3

[0029] Reference Figure 1-3, which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When in use, after the workpiece to be fixed is placed in the workpiece placement shell 2, the clamping assembly 8 is operated to clamp the corner positions on both sides of one end of the workpiece, and the adjusting knob 88 of the clamping assembly 8 is rotated to drive the fixed active bevel gear 89 to rotate, and the active bevel gear 89 drives the meshing driven bevel gear 80 to rotate, and the driven bevel gear 80 drives the fixed bidirectional screw 82 to rotate, and the bidirectional screw 82 drives the adjusting blocks 83 on both sides to approach each other through the threaded structure, and the cylindrical pins 84 fixed to the adjusting blocks 83 are simultaneously The cylindrical pin 84 moves step by step, and the hinged clamping plate 85 is driven by the cylindrical pin 84 to approach each other. The clamping plate 85 is an L-shaped structure, and then the two side corners of one end face of the workpiece are clamped in the clamping plate 85. Then the hand wheel 7 is operated to drive the bidirectional screw rod 4 to rotate synchronously through the chain transmission structure. The bidirectional screw rod 4 drives the movable rod 1 5 and the movable rod 2 6 to approach each other through the threaded structure. After the top column 9 fixed to the middle part of the movable rod 5 contacts the workpiece, it cooperates with the clamping assembly 8 to clamp and fix the workpiece. The top column 9 cooperates with the clamping position point of the clamping assembly 8 to form a stable clamping of the triangular structure to ensure the stability of the workpiece positioning.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An in-mold asynchronous machine workpiece positioning structure, comprising a worktable (1), to which a workpiece placement shell (2) is fixedly connected, characterized in that: The inner walls on both sides of the workpiece placement shell (2) are respectively provided with adjustment grooves (3), and a bidirectional screw rod (4) is rotatably installed in each of the adjustment grooves (3). One side of the bidirectional screw rod (4) is connected to the two ends of a movable rod (5) through a threaded structure, and the other side of the bidirectional screw rod (4) is connected to the two ends of a movable rod (6) through a threaded structure. A clamping assembly (8) is movably provided on one end surface of the movable rod (6), and a top column (9) is fixedly connected to the middle part of one end surface of the movable rod (5).

2. The in-mold asynchronous machine workpiece positioning structure according to claim 1, characterized in that: One end of the bidirectional screw rod (4) is connected to a hand wheel (7) through a chain transmission structure, and the hand wheel (7) is rotated to connect to the middle part of one end of the workpiece placement shell (2), and the chain transmission structure is movably arranged in an active cavity arranged in a hollow at one end of the placement shell (2).

3. The in-mold asynchronous machine workpiece positioning structure according to claim 1, characterized in that: The top column (9) is a columnar rubber block.

4. The in-mold asynchronous machine workpiece positioning structure according to claim 1, characterized in that: The two ends of the movable rod 1 (5) and the movable rod 2 (6) are respectively slidably engaged in the adjustment sliding groove (3).

5. The in-mold asynchronous machine workpiece positioning structure according to claim 1, characterized in that: The clamping assembly (8) comprises a slide groove (81), a bidirectional screw rod (82), an adjustment block (83), a cylindrical pin (84), a clamping plate (85), a connecting rod (86), and a tension spring (87). The slide groove (81) is provided on both sides of one end surface of the movable rod (6). The bidirectional screw rod (82) is rotatably installed in the slide groove (81). Both sides of the bidirectional screw rod (82) are respectively connected to the adjustment block (83) through a threaded structure. The adjustment block (83) is slidably arranged in the slide groove (81) and the middle part of one end of the adjustment block (83) is fixedly connected to the cylindrical pin (84). The cylindrical pin (84) is rotatably connected to the clamping plate (85). One end of the clamping plate (85) is fixedly connected to the connecting rod (86). The connecting rod (86) is respectively fixedly connected to the two ends of the tension spring (87).

6. The in-mold asynchronous machine workpiece positioning structure according to claim 5, characterized in that: The middle part of the movable rod (6) is hollow and provided with a cavity (61); the middle part of the second screw rod (82) is fixedly sleeved with a driven bevel gear (80); the driven bevel gear (80) is rotatably arranged in the cavity (61); the driven bevel gear (80) is meshedly connected to the active bevel gear (89); the active bevel gear (89) is fixedly connected to the adjusting knob (88); the adjusting knob (88) is rotatably connected to the movable rod (6); the clamping plate (85) is an L-shaped structure and is symmetrically arranged on both sides of the movable rod (6); one side of the clamping plate (85) is arranged in line with the length direction of the connecting rod (86); and the connecting rods (86) are arranged parallel to each other.

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