Fool-proof mechanism for interchanging inserts in double-sided mold

Abstract

The utility model discloses a fool-proof mechanism for interchanging inserts in a double-sided die, which comprises a die template main body, the sides of the die template main body, which are far away from each other, are provided with insert grooves, one side of the interior of each insert groove is provided with a positioning groove, and the interior of each insert groove is connected with a die insert in a sliding manner. And one side of each mold insert is fixedly connected with a positioning block. Through the arrangement of the sliding rod, the shifting fork, the pawl, the spring, the ratchet wheel and the like, under the elasticity of the spring, the pawl is clamped on the ratchet wheel, then the knob is rotated, the knob drives the first conical tooth to rotate through the rotating shaft, the first conical tooth drives the bidirectional threaded rod to rotate through the second conical tooth, the bidirectional threaded rod drives the ratchet wheel to rotate, and the ratchet wheel pushes the pawl to move. The pawl pushes the sliding rod to move and compresses the spring, when the ratchet wheel rotates to the next clamping tooth, the pawl is clamped into the corresponding clamping tooth under the elasticity of the spring, and the situation that the two-way threaded rod drives the movable plate to loosen due to vibration is avoided.

Description

Technical Field

[0001] This utility model relates to the field of error prevention technology for interchangeable inserts in double-sided molds, and more particularly to an error prevention mechanism for interchangeable inserts in double-sided molds. Background Technology

[0002] In the manufacturing process of double-sided molds, it is common to encounter situations where one mold produces two or more products, with only some differences in shape and part number. In such cases, the mold plate remains unchanged, and only the corresponding inserts on both sides of the mold plate need to be replaced. However, when the products being produced are similar, the operating instructions are not easily confirmed, or workers are negligent, often resulting in inserts on both sides being of different products. This leads to a large number of incorrect products in subsequent production, causing losses to the company. To address this, patent publication number CN220532960U discloses "a foolproof structure for interchangeable inserts in double-sided molds." This solution greatly reduces the probability of human error when replacing inserts for different products in double-sided molds. It solves the problem of mismatched inserts in products, reducing the resulting large-scale product scrapping, delayed product delivery, and other negative impacts, thereby reducing the company's production costs to a certain extent.

[0003] However, in this scheme, the insert is fixed by a threaded connection, and the vibration during the stamping process can easily cause the threaded pair to slip slightly, resulting in the preload to decrease or even loosen. Therefore, a foolproof mechanism for interchangeable inserts in a double-sided mold is proposed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a foolproof mechanism for interchangeable inserts in a double-sided mold.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a foolproof mechanism for interchangeable inserts in a double-sided mold, comprising a mold plate body, wherein insert grooves are provided on the opposite side of the mold plate body, a positioning groove is provided on one side of each insert groove, a mold insert is slidably connected inside each insert groove, a positioning block is fixedly connected to one side of each mold insert, each positioning block is adapted to a corresponding positioning groove, a snap-fit ​​hole is provided on the opposite side of each mold insert, a dustproof box is fixedly connected to one side of the mold plate body, the dustproof box is provided with two quick-release structures, two fixing plates are fixedly connected to one side of the dustproof box, and the dustproof box is provided with two anti-loosening structures;

[0006] The quick-release structure includes a rotating shaft that is rotatably connected to one side of the dustproof box. One end of the rotating shaft is fixedly connected to a knob, and the other end is fixedly connected to a first conical tooth.

[0007] As a further description of the above technical solution:

[0008] The two fixed plates are rotatably connected to each other on opposite sides by a bidirectional threaded rod, and a second conical tooth is fixedly connected to the bidirectional threaded rod, the second conical tooth meshing with the first conical tooth.

[0009] As a further description of the above technical solution:

[0010] Each of the opposite threads of the bidirectional threaded rod is threaded with a movable post, and each movable post is slidably connected through to the corresponding side of the dustproof box.

[0011] As a further description of the above technical solution:

[0012] Each of the movable columns is fixedly connected to a movable plate at one end, and each of the movable plates is fixedly connected to two snap-fit ​​columns on one side. Each snap-fit ​​column is slidably connected through to the corresponding side of the mold plate body and is adapted to the corresponding snap-fit ​​hole.

[0013] As a further description of the above technical solution:

[0014] The anti-loosening structure includes a sliding rod that is slidably connected to one side of the dustproof box. One end of the sliding rod is fixedly connected to a pawl, and a spring is sleeved on the sliding rod. One end of the spring is fixedly connected to the inside of the dustproof box, and the other end is fixedly connected to one side of the pawl.

[0015] As a further description of the above technical solution:

[0016] The other end of the sliding rod is rotatably connected to a fork, one side of which is in contact with one side of the dustproof box.

[0017] As a further description of the above technical solution:

[0018] A ratchet is fixedly connected to the bidirectional threaded rod, and the ratchet engages with the pawl.

[0019] This utility model has the following beneficial effects:

[0020] 1. Compared with the prior art, the foolproof mechanism for interchangeable inserts in this double-sided mold is provided by setting up a sliding rod, a fork, a pawl, a spring, and a ratchet. When the fork is turned, the pawl engages with the ratchet under the elasticity of the spring. Then, the knob is turned, and the knob drives the first conical tooth to rotate through the rotating shaft. The first conical tooth drives the bidirectional threaded rod to rotate through the second conical tooth. The bidirectional threaded rod drives the ratchet to rotate, and the ratchet pushes the pawl to move. The pawl pushes the sliding rod to move and compresses the spring. When the ratchet rotates to the next locking tooth, the pawl engages with the corresponding locking tooth under the elasticity of the spring, preventing the bidirectional threaded rod from loosening the moving plate due to vibration.

[0021] 2. Compared with the existing technology, the foolproof mechanism for interchangeable inserts in this double-sided mold is equipped with a rotating shaft, a knob, a first conical tooth, a bidirectional threaded rod, a second conical tooth, a moving column, a moving plate, and a locking pin. Rotating the knob drives the first conical tooth to rotate via the rotating shaft. The first conical tooth drives the bidirectional threaded rod to rotate via the second conical tooth. The bidirectional threaded rod drives the two moving columns to move in opposite directions via opposite threads. The moving columns drive the corresponding two locking pins to move via the moving plate, causing the locking pins to disengage from the locking holes. This allows workers to quickly remove the mold inserts without disassembling the bolts, improving assembly and disassembly efficiency. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of a foolproof mechanism for interchangeable inserts in a double-sided mold proposed in this utility model;

[0023] Figure 2 Exploded view of the mold plate body and mold insert of the error-proof mechanism for interchangeable inserts in a double-sided mold proposed in this utility model;

[0024] Figure 3 A cross-sectional view of the dustproof box of a foolproof mechanism for interchangeable inserts in a double-sided mold proposed in this utility model;

[0025] Figure 4 Exploded view of the dustproof box and fixing plate of the foolproof mechanism for interchangeable inserts in a double-sided mold proposed in this utility model;

[0026] Figure 5 Exploded view of the quick-disassembly structure of the foolproof mechanism for interchangeable inserts in a double-sided mold proposed in this utility model;

[0027] Figure 6 This is a schematic diagram of the anti-loosening structure of the anti-foolproof mechanism for interchangeable inserts in a double-sided mold proposed in this utility model;

[0028] Figure 7 Exploded view of the anti-loosening structure of the anti-foolproof mechanism for interchangeable inserts in a double-sided mold proposed in this utility model.

[0029] Legend:

[0030] 1. Mold plate body; 2. Insert groove; 3. Positioning groove; 4. Mold insert; 5. Positioning block; 6. Dustproof box; 7. Fixing plate; 8. Quick release structure; 801. Rotating shaft; 802. Knob; 803. First conical tooth; 804. Two-way threaded rod; 805. Second conical tooth; 806. Moving column; 807. Moving plate; 808. Snap-fit ​​column; 9. Anti-loosening structure; 901. Sliding rod; 902. Shift fork; 903. Pawl; 904. Spring; 905. Ratchet. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figures 1 to 7 This utility model provides a foolproof mechanism for interchangeable inserts in a double-sided mold: it includes a mold plate body 1, with insert grooves 2 on the opposite side of the mold plate body 1, a positioning groove 3 on one side of the interior of each insert groove 2, a mold insert 4 slidably connected inside each insert groove 2, a positioning block 5 fixedly connected to one side of each mold insert 4, and each positioning block 5 being adapted to the corresponding positioning groove 3. The positioning block 5 is slid into the positioning groove 3 to reduce the probability of incorrect installation of the mold insert 4. A snap-fit ​​hole is provided on the opposite side of each mold insert 4. A dustproof box 6 is fixedly connected to one side of the mold plate body 1. The dustproof box 6 is provided with two quick-release structures 8. Two fixing plates 7 are fixedly connected to one side of the interior of the dustproof box 6. The dustproof box 6 is provided with two anti-loosening structures 9.

[0033] To facilitate easy assembly and disassembly, the quick-disassembly structure 8 includes a rotating shaft 801 that is rotatably connected to one side of the dustproof box 6. One end of the rotating shaft 801 is fixedly connected to a knob 802, and the other end is fixedly connected to a first conical tooth 803. Two fixed plates 7 are rotatably connected to opposite sides via a bidirectional threaded rod 804. A second conical tooth 805 is fixedly connected to the bidirectional threaded rod 804, meshing with the first conical tooth 803. Moving posts 806 are threaded onto the opposite threads of the bidirectional threaded rod 804. Each moving post 806 is slidably connected to the corresponding side of the dustproof box 6. One end of each moving post 806 is fixedly connected to a moving plate 807. Two snap-fit ​​pins 808 are fixedly connected to one side of 807. Each snap-fit ​​pin 808 is slidably connected to the corresponding side of the mold plate body 1 and is adapted to the corresponding snap-fit ​​hole. Rotating the knob 802 causes the first conical tooth 803 to rotate through the rotating shaft 801. The first conical tooth 803 drives the bidirectional threaded rod 804 to rotate through the second conical tooth 805. The bidirectional threaded rod 804 drives the two moving pins 806 to move in opposite directions through opposite threads. The moving pins 806 drive the corresponding two snap-fit ​​pins 808 to move through the moving plate 807, so that the snap-fit ​​pins 808 disengage from the snap-fit ​​hole, which makes it convenient for the staff to quickly remove the mold insert 4 without disassembling the bolts, thus improving the disassembly and assembly efficiency.

[0034] To prevent loosening, the anti-loosening structure 9 includes a sliding rod 901 that slides through and is slidably connected to one side of the dustproof box 6. One end of the sliding rod 901 is fixedly connected to a pawl 903, and a spring 904 is sleeved on the sliding rod 901. One end of the spring 904 is fixedly connected to the inside of the dustproof box 6, and the other end is fixedly connected to one side of the pawl 903. A ratchet 905 is fixedly connected to a bidirectional threaded rod 804, and the ratchet 905 engages with the pawl 903. The other end of the sliding rod 901 is rotatably connected to a shift fork 902, one side of which is in contact with one side of the dustproof box 6. A new mold insert 4 is placed into the insert groove 2, and then the shift fork 902 is moved again. Under the elasticity of spring 904, pawl 903 engages with ratchet 905. Then, knob 802 is rotated, which drives the first conical tooth 803 to rotate via shaft 801. The first conical tooth 803 drives the bidirectional threaded rod 804 to rotate via the second conical tooth 805. The bidirectional threaded rod 804 drives ratchet 905 to rotate, and ratchet 905 pushes pawl 903 to move. Pawl 903 pushes sliding rod 901 to move and compresses spring 904. When ratchet 905 rotates to the next tooth, under the elasticity of spring 904, pawl 903 engages with the corresponding tooth, preventing the bidirectional threaded rod 804 from loosening the moving plate 807 due to vibration.

[0035] Working principle: Moving the shift fork 902 moves the sliding rod 901, which in turn moves the pawl 903, disengaging it from the ratchet 905 and compressing the spring 904. Then, rotating the knob 802 causes the first conical tooth 803 to rotate via the shaft 801. The first conical tooth 803, through the second conical tooth 805, drives the bidirectional threaded rod 804 to rotate. The bidirectional threaded rod 804, through its opposite threads, moves two moving posts 806 in opposite directions. The moving posts 806, through the moving plate 807, move corresponding two locking posts 808, disengaging them from their locking holes. This allows workers to quickly remove the mold insert 4 without disassembling bolts, improving assembly and disassembly efficiency. The mold insert 4 is placed into the insert groove 2, and then the shift fork 902 is turned again. Under the elasticity of the spring 904, the pawl 903 is engaged with the ratchet 905. Then the knob 802 is turned. The knob 802 drives the first conical tooth 803 to rotate through the rotating shaft 801. The first conical tooth 803 drives the bidirectional threaded rod 804 to rotate through the second conical tooth 805. The bidirectional threaded rod 804 drives the ratchet 905 to rotate. The ratchet 905 pushes the pawl 903 to move. The pawl 903 pushes the sliding rod 901 to move and compresses the spring 904. When the ratchet 905 rotates to the next tooth, under the elasticity of the spring 904, the pawl 903 is engaged in the corresponding tooth, preventing the bidirectional threaded rod 804 from causing the moving plate 807 to loosen due to vibration.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A foolproof mechanism for interchangeable inserts in a double-sided mold, comprising a mold plate body (1), characterized in that: The mold plate body (1) has slots (2) on the side away from each other. Each slot (2) has a positioning slot (3) on one side inside. Each slot (2) has a mold insert (4) slidably connected inside. Each mold insert (4) has a positioning block (5) fixedly connected on one side. Each positioning block (5) is adapted to the corresponding positioning slot (3). Each mold insert (4) has a snap-fit ​​hole on the side away from each other. A dustproof box (6) is fixedly connected to one side of the mold plate body (1). The dustproof box (6) has two quick-release structures (8). Two fixing plates (7) are fixedly connected to one side inside the dustproof box (6). The dustproof box (6) has two anti-loosening structures (9). The quick-release structure (8) includes a rotating shaft (801) that is rotatably connected to one side of the dust box (6). One end of the rotating shaft (801) is fixedly connected to a knob (802), and the other end is fixedly connected to a first conical tooth (803).

2. The error-proof mechanism for interchangeable inserts in a double-sided mold according to claim 1, characterized in that: The two fixed plates (7) are connected by a bidirectional threaded rod (804) through one side of each other. A second conical tooth (805) is fixedly connected to the bidirectional threaded rod (804), and the second conical tooth (805) meshes with the first conical tooth (803).

3. The error-proof mechanism for interchangeable inserts in a double-sided mold according to claim 2, characterized in that: Each of the opposite threads of the bidirectional threaded rod (804) is threaded with a movable post (806), and each movable post (806) is slidably connected to the corresponding side of the dustproof box (6).

4. The error-proof mechanism for interchangeable inserts in a double-sided mold according to claim 3, characterized in that: Each of the movable columns (806) is fixedly connected to a movable plate (807) at one end, and each of the movable plates (807) is fixedly connected to two snap-fit ​​columns (808) on one side. Each snap-fit ​​column (808) is slidably connected through to the corresponding side of the mold plate body (1) and is adapted to the corresponding snap-fit ​​hole.

5. The error-proofing mechanism for interchangeable inserts in a double-sided mold according to claim 2, characterized in that: The anti-loosening structure (9) includes a sliding rod (901) that is slidably connected to one side of the dust box (6). One end of the sliding rod (901) is fixedly connected to a pawl (903). A spring (904) is sleeved on the sliding rod (901). One end of the spring (904) is fixedly connected to one side of the inside of the dust box (6), and the other end is fixedly connected to one side of the pawl (903).

6. The error-proof mechanism for interchangeable inserts in a double-sided mold according to claim 5, characterized in that: The other end of the sliding rod (901) is rotatably connected to a fork (902), one side of which is in contact with one side of the dust box (6).

7. The error-proofing mechanism for interchangeable inserts in a double-sided mold according to claim 5, characterized in that: A ratchet (905) is fixedly connected to the bidirectional threaded rod (804), and the ratchet (905) engages with the pawl (903).

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