Lower tooth die

Abstract

The utility model relates to the technical field of watch production, in particular to a lower tooth mold which comprises a bottom plate, a switch fixedly connected to the side wall of the bottom plate, square iron fixedly connected to the top of the bottom plate, a plate B fixedly connected to the top of the square iron, a plate A lapped to the top of the plate B, and a hot runner mold plate fixedly connected to the top of the plate A. The top of the hot runner mold plate is fixedly connected with a panel, the inner side wall of the plate B is fixedly connected with a rear mold core, the inner side wall of the plate A is fixedly connected with a front mold core, the rear mold core is matched with the front mold core, mounting holes are symmetrically formed in the top of the rear mold core in a penetrating mode, and the inner side walls of the mounting holes are rotationally connected with driving assemblies. According to the watch tooth forming mold, the concentricity of the front mold core and the rear mold core can be ensured when the front mold core and the rear mold core are clamped through the arranged limiting assembly, so that the precision degree of watch tooth manufacturing is ensured, produced tooth finished products can be rapidly ejected out from the interior of the rear mold core through the arranged driving assembly, and the production efficiency is improved. And therefore, the processing efficiency during product production is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of watch production, in particular to a lower tooth mold. Background Technique

[0002] A watch, a portable timepiece for people to carry or wear, also known as a wristwatch. The common materials for watch straps are leather, rubber, nylon cloth, and stainless steel. Generally, the mainspring of a watch movement provides the power required for operation. After speed change and transmission through a gear set, it reaches the escapement system for speed regulation. Among them, the gear train plays a key role in mechanical energy conversion and transmission. The so-called gear train here is composed of a barrel, a center wheel, a third wheel, a second hand wheel, and an escapement wheel.

[0003] In the existing technology, during the production of teeth in a watch, the purpose of demolding the teeth cannot be achieved, resulting in the technical problem of slow production and processing efficiency of watch teeth. Moreover, the sealing performance between the existing molds is poor, resulting in relatively large errors in the processed teeth. Since the teeth in a watch require a high degree of tightness, the teeth with large errors will not be usable, thus causing a waste of resources. Content of the Utility Model

[0004] The utility model aims to provide a lower tooth mold, mainly used to solve the technical problems of slow production efficiency and poor processing precision of watch teeth existing in the prior art.

[0005] To solve the above technical problems, the utility model provides the following technical solutions:

[0006] A lower tooth mold, including a bottom plate, a switch is fixedly connected to the side wall of the bottom plate, a square iron is fixedly connected to the top of the bottom plate, a B plate is fixedly connected to the top of the square iron, an A plate is lapped on the top of the B plate, a hot runner template is fixedly connected to the top of the A plate, a panel is fixedly connected to the top of the hot runner template, a rear mold core is fixedly connected to the inner side wall of the B plate, a front mold core is fixedly connected to the inner side wall of the A plate, and the rear mold core is adapted to the front mold core. Installation holes are symmetrically opened through the top of the rear mold core, a driving component is rotatably connected to the inner side wall of the installation hole, and a limiting component is fixedly connected to the top of the rear mold core.

[0007] Working Principle and Beneficial Effects of the Utility Model:

[0008] 1. Working principle: When this device is in use, first use the positioning component to perform the clamping work between the front mold core and the rear mold core, then add the solution for making teeth to the needle point gate, and after the solution cools, by starting the switch, use the driving component to take out the cooled teeth from the top of the rear mold core, thus realizing the demolding work of watch teeth.

[0009] 2. Beneficial effects:

[0010] When the front mold core and the rear mold core are clamped through the provided limit component in this solution, the concentricity of the front and rear mold cores can be ensured, thereby ensuring the precision of watch tooth manufacturing. The technical problem of increasing the processing efficiency during product production is solved by the provided driving component, which can quickly eject the produced tooth products from the inside of the rear mold core.

[0011] Preferably, the driving component includes a bearing rotatably connected to the inner side wall of the mounting hole. A cylinder pin is fixedly connected to the bottom of the bearing. A ejector pin is fixedly connected to the outer side wall of the cylinder pin. A rotating insert pin is fixedly connected to the upper inner side wall of the bearing. A helical insert pin is meshed with the inner side wall of the rotating insert pin. A pin point gate is arranged at the bottom of the front mold core at the mounting hole. When the manufacturing solution is added through the pin point gate, after the solution cools, the front mold core and the rear mold core are separated. When the switch is turned on, the output end of the cylinder pin moves upward. During the upward movement of the output end of the cylinder pin, the helical insert pin is driven to move, and then the rotating insert pin is driven by the helical insert pin, causing the bearing to rotate inside the mounting hole. As the output end of the cylinder pin rises, the product is ejected to the inside of the rear mold core through the ejector pin, thus achieving the purpose of rapid demolding.

[0012] Preferably, two precision positioning posts are fixed on the top of the rear mold core. A positioning port is provided at the bottom of the front mold core corresponding to the precision positioning posts, and the positioning port and the precision positioning posts are mutually matched. When the device is in use, the precision positioning posts are first aligned with the positioning ports for clamping, so that the front mold core can be concentric with the rear mold core, resulting in a higher precision of the processed products.

[0013] Preferably, two convex blocks are symmetrically and fixedly connected to the top of the rear mold core. A groove is provided at the bottom of the front mold core at the position of the convex blocks, and the groove and the convex blocks are mutually matched. During the clamping process of the rear mold core and the front mold core, the front mold core and the rear mold core can be preliminarily positioned through the convex blocks and the grooves, thereby increasing the working efficiency during the installation of the front mold core and the rear mold core.

[0014] Preferably, a positioning lock edge is detachably connected to the center of the outer side wall of the B plate, and the other end of the positioning lock edge is detachably connected to the side wall of the front mold core. By providing the positioning lock edge, the front mold core and the rear mold core can be firmly fixed together to prevent loosening between the front mold core and the rear mold core during the production process.

[0015] Preferably, there are four positioning lock edges, and the four positioning lock edges are respectively located around the rear mold core, further increasing the precision of product manufacturing.

[0016] Preferably, a dust-proof plate is detachably connected to the outer side wall of the spacer block. By providing the dust-proof plate, external dust can be effectively prevented from entering the inside of the spacer block. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 This is a schematic exploded view of the A plate and B plate of the present utility model;

[0019] Figure 3 This is a schematic structural view of the rear mold core, rotating insert pin and bump of the present utility model;

[0020] Figure 4 This is a schematic structural view of the bearing, ejector sleeve pin and ejector pin of the present utility model;

[0021] Figure 5 This is a schematic view of the mechanism of the rear mold core, helical insert pin and precision positioning post of the present utility model;

[0022] Figure 6 This is a schematic structural view of the groove, positioning port and main gate of the present utility model.

[0023] The reference numerals in the drawings of the specification include: 1, panel; 2, hot runner template; 3, A plate; 4, B plate; 5, spacer block; 6, switch; 7, dust-proof plate; 8, bottom plate; 9, front mold core; 10, rear mold core; 11, bump; 12, rotating insert pin; 13, ejector sleeve pin; 14, bearing; 15, helical insert pin; 16, precision positioning post; 17, ejector pin; 18, groove; 19, needle point gate; 20, positioning port; 21, mounting hole; 22, positioning lock edge. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Such as Figures 1-6As shown in the figure, it includes a bottom plate 8. A switch 6 is fixedly connected to the side wall of the bottom plate 8. A square iron 5 is fixedly connected to the top of the bottom plate 8. A B plate 4 is fixedly connected to the top of the square iron 5. An A plate 3 is lapped on the top of the B plate 4. A hot runner template 2 is fixedly connected to the top of the A plate 3. A panel 1 is fixedly connected to the top of the hot runner template 2. A rear mold core 10 is fixedly connected to the inner side wall of the B plate 4. A front mold core 9 is fixedly connected to the inner side wall of the A plate 3. And the rear mold core 10 is adapted to the front mold core 9. Installation holes 21 are symmetrically formed through the top of the rear mold core 10. A driving component is rotatably connected to the inner side wall of the installation hole 21. The driving component includes a bearing 14 rotatably connected to the inner side wall of the installation hole 21. A thimble 13 is fixedly connected to the bottom of the bearing 14. A ejector pin 17 is fixedly connected to the outer side wall of the thimble 13. A rotating insert pin 12 is fixedly connected to the upper inner side wall of the bearing 14. A helical insert pin 15 is engaged with the inner side wall of the rotating insert pin 12. A needle point gate 19 is arranged at the position of the installation hole 21 at the bottom of the front mold core 9. A solution for making teeth is added to the needle point gate 19. After the solution cools, the front mold core 9 and the rear mold core 10 are separated. Then the switch 6 is started, and the output end of the thimble 13 moves upward. During the upward movement of the output end of the thimble 13, the helical insert pin 15 is driven to move, and then the rotating insert pin 12 is driven by the helical insert pin 15, so that the bearing 14 rotates inside the installation hole 21. As the output end of the thimble 13 rises, the product is ejected into the interior of the rear mold core 10 through the ejector pin 17, thus achieving the purpose of rapid demolding. A limiting component is fixedly connected to the top of the rear mold core 10. The limiting component includes two precision positioning posts 16 fixedly connected to the top of the rear mold core 10. A positioning port 20 is formed at the position of the precision positioning posts 16 at the bottom of the front mold core 9. And the positioning port 20 matches the precision positioning posts 16. The precision positioning posts 16 are aligned with the positioning port 20, then the convex block 11 and the groove 18 are aligned, and then the front mold core 9 and the rear mold core 10 are tightly fixed together through the positioning lock edge 22, so that the front mold core 9 and the rear mold core 10 will not loosen during the production process, further ensuring the production quality of the product.

[0026] As can be seen from the above, the specific implementation manner of the present utility model is as follows:

[0027] When this device is in use, first align the fine positioning post 16 with the positioning port 20, then align the bump 11 with the groove 18, and then tightly fix the front mold core 9 and the rear mold core 10 together through the positioning lock edge 22, so that there will be no looseness between the front mold core 9 and the rear mold core 10 during the production process, further ensuring the production quality of the product. Then add the solution for making teeth to the pin-point gate 19. After the solution cools, separate the front mold core 9 and the rear mold core 10. Then turn on the switch 6, and the output end of the ejector pin 13 moves upward. During the upward movement of the output end of the ejector pin 13, it drives the helical tooth insert pin 15 to move, and then uses the helical tooth insert pin 15 to drive the rotating insert pin 12, so that the bearing 14 rotates inside the mounting hole 21. As the output end of the ejector pin 13 rises, the product is ejected into the interior of the rear mold core 10 through the ejector pin 17, thus achieving the purpose of rapid demolding.

[0028] The above are only the embodiments of the present utility model. Specific structures and characteristics and other common knowledge well known in the art are not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present utility model, several deformations and improvements can still be made, and these should also be regarded as the protection scope of the present utility model, and these will not affect the implementation effect of the present utility model and the practicality of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners described in the specification can be used to interpret the content of the claims.

Claims

1. A lower tooth mold, comprising a bottom plate (8), characterized in that, The side wall of the bottom plate (8) is fixedly connected with a switch (6). The top of the bottom plate (8) is fixedly connected with a square iron (5). The top of the square iron (5) is fixedly connected with a B plate (4). The top of the B plate (4) is lapped with an A plate (3). The top of the A plate (3) is fixedly connected with a hot runner template (2). The top of the hot runner template (2) is fixedly connected with a panel (1). The inner side wall of the B plate (4) is fixedly connected with a rear mold core (10). The inner side wall of the A plate (3) is fixedly connected with a front mold core (9), and the rear mold core (10) is adapted to the front mold core (9). The top of the rear mold core (10) is symmetrically provided with mounting holes (21). The inner side wall of the mounting hole (21) is rotatably connected with a driving component, and the top of the rear mold core (10) is fixedly connected with a limiting component.

2. The lower tooth mold according to claim 1, characterized in that: The driving component includes a bearing (14) rotatably connected to the inner side wall of the mounting hole (21). The bottom of the bearing (14) is fixedly connected with a thimble (13). The outer side wall of the thimble (13) is fixedly connected with a ejector pin (17). The upper inner side wall of the bearing (14) is fixedly connected with a rotating insert pin (12). The inner side wall of the rotating insert pin (12) is engaged with an inclined tooth insert pin (15). The bottom of the front mold core (9) is provided with a pin point gate (19) at the position of the mounting hole (21).

3. The lower tooth mold according to claim 1, wherein: The limiting component includes two precision positioning columns (16) fixedly connected to the top of the rear mold core (10). The bottom of the front mold core (9) is provided with a positioning port (20) at the position of the precision positioning column (16), and the positioning port (20) matches the precision positioning column (16).

4. A lower tooth mold according to claim 1, characterized in that: Two bumps (11) are symmetrically and fixedly connected to the top of the rear mold core (10). The bottom of the front mold core (9) is provided with a groove (18) at the position of the bump (11), and the groove (18) matches the bump (11).

5. A lower tooth mold according to claim 1, characterized in that: A positioning lock edge (22) is detachably connected to the center of the outer side wall of the B plate (4), and the other end of the positioning lock edge (22) is detachably connected to the side wall of the front mold core (9).

6. The lower tooth die according to claim 5, characterized in that: There are four positioning lock edges (22), and the four positioning lock edges (22) are respectively located around the rear mold core (10).

7. A lower tooth mold according to claim 1, characterized in that: A dust-proof plate (7) is detachably connected to the outer side wall of the square iron (5).

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