Detachable injection mold for door lock production
By adopting technical means such as mortise and tenon structure and anti-adhesion coating in the injection mold, the problems of unstable mold connection and poor sealing are solved, stable connection and rapid demoulding are achieved, and injection molding efficiency and product quality are improved.
Patent Information
- Application Number
- CN202422689909.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The existing injection mold connection is not stable enough and the sealing is poor, resulting in poor demoulding effect.
A detachable injection mold is formed by combining connecting slots with connecting slots with connecting slots in a mortise and tenon structure. The stable connection of the mold is achieved through connecting screws and tightening knobs, and the demoulding effect is improved in combination with anti-adhesion coating and heat dissipation guides.
It achieves stable connection and rapid demoulding of the mold, improving the efficiency of the injection molding process and product quality.
Smart Images

Figure CN223369929U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to injection molds for door lock production, in particular to a detachable injection mold for door lock production. Background Art
[0002] Door locks are an essential device in homes and other houses. Door locks are devices used to lock and reinforce doors, which improve the security of the house. However, door locks are divided into many categories, including electronic locks and mechanical locks. At present, when mechanical locks are processed and produced, injection molds are used to perform plastic processing on their overall layout, shape, size and volume. Injection molds are inconvenient to demold, so there is an urgent need for a detachable injection mold for door lock production.
[0003] At present, the connection of injection molds is not stable enough, the sealing is poor, and it is inconvenient to assist in demoulding, which affects the demoulding effect. Utility Model Content
[0004] The purpose of the present utility model is to provide a detachable injection mold for door lock production, so as to solve the problems in the above-mentioned background technology that the injection mold connection is not stable enough, the sealing is poor, and it is not convenient to assist demoulding, which affects the demoulding effect.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a detachable injection mold for door lock production, comprising a door lock upper mold and a door lock lower mold, the bottom of the door lock upper mold is provided with a door lock lower mold adapted thereto, the bottom outer peripheral surface of the door lock upper mold is provided with a fixed side plate, the top outer peripheral surface of the door lock lower mold is provided with a fixed side plate, the top of the door lock upper mold is provided with a connected injection inlet pipe, the top of the injection inlet pipe is connected to an injection molding conduit, the outside of the injection molding conduit is provided with a fixed card cover adapted thereto, one end of a connecting rope is connected to an outer wall of one side of the fixed card cover, and the other end of the connecting rope is connected to an outer wall of one side of the injection molding conduit.
[0006] Preferably, a connecting screw groove is provided on the fixed side plate of the door lock upper mold, and the connecting screw groove is also opened at the top of the fixed side plate of the door lock lower mold, and the connecting screw groove connects and fixes the door lock upper mold and the door lock lower mold by providing a connecting screw that is compatible with it, and a loose handle is provided at the top of the connecting screw, and a fastening screw groove is provided on the door lock upper mold, and the fastening screw groove is also opened at the top of the door lock lower mold, and the fastening screw groove connects and fixes the door lock upper mold and the door lock lower mold by providing a fastening knob that is compatible with it.
[0007] Preferably, linearly distributed connecting slots are provided on both sides of the top of the door lock lower mold, and connecting bolts adapted to the connecting slots are provided on both sides of the bottom of the door lock upper mold. The connecting slots are connected and fixed to the door lock upper mold and the door lock lower mold by providing connecting bolts adapted to them.
[0008] Preferably, the inner wall of the door lock upper mold is provided with an upper mold inner shell, the inner wall of the door lock lower mold is provided with a lower mold inner shell, and the top of the door lock lower mold is provided with a sealing groove adapted to the upper mold inner shell, and the door lock upper mold is connected and fixed to the door lock lower mold by setting the sealing groove.
[0009] Preferably, the inner wall of the upper mold inner shell is coated with an anti-sticking coating, and the inner wall of the lower mold inner shell is also coated with an anti-sticking coating.
[0010] Preferably, the top inner wall of the upper mold inner shell is provided with linearly distributed heat dissipation guide fins, and the bottom inner wall of the lower mold inner shell is also provided with linearly distributed heat dissipation guide fins.
[0011] Preferably, the top of the door lock upper mold is provided with linearly distributed demoulding hooks.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. The detachable injection mold used in the production of this door lock forms a mortise and tenon structure between the connecting slot and the connecting bolt, which facilitates the initial fixation of the door lock upper mold and the door lock lower mold, and facilitates positioning. The fastening knob passes through the fixed side plate to facilitate the fixed connection of the door lock upper mold and the door lock lower mold. The elastic handle drives the connecting screw to facilitate further installation and fixation of the door lock upper mold and the door lock lower mold, which facilitates improving the stability of the connection;
[0014] 2. The door lock is produced with a detachable injection mold. The injection molding conduit and the injection molding inlet pipe are used to facilitate the injection of the door lock injection liquid into the upper mold inner shell and the lower mold inner shell. The injection molding conduit is conveniently closed by the fixed card cover. The connecting rope facilitates the connection of the fixed card cover with the injection molding inlet pipe to prevent the fixed card cover from being lost. The door lock accessory injection cavity is formed by the upper mold inner shell and the lower mold inner shell. After the injection molding is completed, the heat dissipation guide is used to increase the cooling speed of the mold. The anti-adhesion coating can improve the demoulding effect and improve the actual use effect. After the injection molding is completed, the bolts are removed and the demoulding is assisted by the demoulding hook, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the door lock mold of the present invention;
[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the door lock lower mold of the present utility model;
[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the door lock mold of the present invention.
[0019] In the figure: 1. Door lock upper mold; 2. Door lock lower mold; 3. Fixed side panel; 4. Injection molding inlet pipe; 5. Injection molding conduit; 6. Fixed card cover; 7. Connecting rope; 8. Demolding hook; 9. Connecting screw groove; 10. Connecting screw; 11. Elastic handle; 12. Connecting card groove; 13. Connecting card bolt; 14. Fastening screw groove; 15. Fastening knob; 16. Upper mold inner shell; 17. Lower mold inner shell; 18. Sealing card groove; 19. Anti-stick coating; 20. Heat dissipation guide. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figure 1-4The utility model provides a technical solution: a detachable injection mold for door lock production, comprising an upper mold 1 for door lock and a lower mold 2 for door lock. The lower mold 2 for door lock that matches the upper mold 1 is provided at the bottom, a fixed side plate 3 is provided on the bottom peripheral surface of the upper mold 1, and a fixed side plate 3 is provided on the top peripheral surface of the lower mold 2. A connected injection molding inlet pipe 4 is provided on the top of the upper mold 1, and an injection molding conduit 5 is connected to the top of the injection molding inlet pipe 4. A fixed card cover 6 that matches the injection molding conduit 5 is provided on the outside of the injection molding conduit 5. One end of a connecting rope 7 is connected to the outer wall of one side of the fixed card cover 6. The other end of the connecting rope 7 is connected to the outer wall of one side of the injection molding conduit 5. The top of the door lock upper mold 1 is provided with a linearly distributed demoulding hook 8. The fixed side plate 3 of the door lock upper mold 1 is provided with a connecting screw groove 9, and the connecting screw groove 9 is also opened at the top of the fixed side plate 3 of the door lock lower mold 2. The connecting screw groove 9 is connected and fixed to the door lock upper mold 1 and the door lock lower mold 2 by providing a connecting screw 10 adapted thereto. The top of the connecting screw 10 is provided with an elastic handle 11. The door lock upper mold 1 is provided with a fastening screw groove 14, and the fastening screw groove 14 is also opened at the top of the door lock lower mold 2. The fastening screw groove 14 is fixed to the door lock upper mold 1 and the fastening screw groove 14 is fixed to the door lock lower mold 2. The door lock upper mold 1 and the door lock lower mold 2 are connected and fixed by setting a fastening knob 15 adapted thereto. Linearly distributed connecting slots 12 are provided on both sides of the top of the door lock lower mold 2. Connecting bolts 13 adapted to the connecting slots 12 are provided on both sides of the bottom of the door lock upper mold 1. The connecting slots 12 connect and fix the door lock upper mold 1 and the door lock lower mold 2 by setting a connecting bolt 13 adapted thereto. A mortise and tenon structure is formed between the connecting slots 12 and the connecting bolts 13, which facilitates the preliminary fixation of the door lock upper mold 1 and the door lock lower mold 2, facilitates the limiting, and penetrates through the fastening knob 15 The fixed side panel 3 facilitates the fixed connection between the door lock upper mold 1 and the door lock lower mold 2. The elastic handle 11 drives the connecting screw 10 to facilitate the further installation and fixation of the door lock upper mold 1 and the door lock lower mold 2, which facilitates the improvement of the stability of the connection. The injection molding conduit 5 cooperates with the injection molding inlet pipe 4 to facilitate the injection of the door lock injection liquid into the upper mold inner shell 16 and the lower mold inner shell 17. The injection molding conduit 5 is conveniently closed by the fixed card cover 6. The connecting rope 7 facilitates the connection of the fixed card cover 6 with the injection molding inlet pipe 4 to prevent the fixed card cover 6 from being lost. After the injection molding is completed, the bolts are removed and the demolding is assisted by the demolding hook 8, which is convenient and quick.
[0022] The inner wall of the door lock upper mold 1 is provided with an upper mold inner shell 16, the inner wall of the door lock lower mold 2 is provided with a lower mold inner shell 17, and the top of the door lock lower mold 2 is provided with a sealing groove 18 adapted to the upper mold inner shell 16. The door lock upper mold 1 is connected and fixed to the door lock lower mold 2 by setting the sealing groove 18. The inner wall of the upper mold inner shell 16 is coated with an anti-adhesion coating 19, and the inner wall of the lower mold inner shell 17 is also coated with an anti-adhesion coating 19. The top inner wall of the upper mold inner shell 16 is provided with linearly distributed heat dissipation guides 20, and the bottom inner wall of the lower mold inner shell 17 is also provided with linearly distributed heat dissipation guides 20. The door lock accessory injection cavity is formed by the upper mold inner shell 16 and the lower mold inner shell 17. After the injection is completed, the heat dissipation guides 20 are used to increase the cooling speed of the mold. The anti-adhesion coating 19 can improve the demolding effect and improve the actual use effect.
[0023] Working principle: First, a mortise and tenon structure is formed between the connecting slot 12 and the connecting bolt 13 to facilitate the initial fixation of the door lock upper mold 1 and the door lock lower mold 2, which is convenient for limiting. The door lock upper mold 1 and the door lock lower mold 2 are fixedly connected by the fastening knob 15 penetrating the fixed side plate 3. The door lock upper mold 1 and the door lock lower mold 2 are further installed and fixed by the elastic handle 11 to drive the connecting screw 10, which is convenient for improving the stability of the connection. The door lock injection liquid is injected into the upper mold inner shell 16 and the lower mold inner shell through the injection conduit 5 and the injection inlet pipe 4. 17. The injection molding conduit 5 is conveniently closed by fixing the card cover 6, and the connecting rope 7 facilitates the connection between the fixing card cover 6 and the injection molding inlet pipe 4 to prevent the fixing card cover 6 from being lost. The door lock accessory injection cavity is formed by the upper mold inner shell 16 and the lower mold inner shell 17. After the injection molding is completed, the heat dissipation guide 20 is used to increase the mold cooling speed. The anti-adhesion coating 19 can improve the demoulding effect and improve the actual use effect. After the injection molding is completed, the bolts are removed and the demoulding is assisted by the demoulding hook 8, which is convenient and quick. In this way, the operation process of a detachable injection mold for door lock production is completed.
[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A detachable injection mold for door lock production, characterized in that: The invention comprises a door lock upper mold (1) and a door lock lower mold (2), wherein the bottom of the door lock upper mold (1) is provided with a door lock lower mold (2) adapted thereto, the bottom peripheral surface of the door lock upper mold (1) is provided with a fixed side plate (3), the top peripheral surface of the door lock lower mold (2) is provided with a fixed side plate (3), the top of the door lock upper mold (1) is provided with a connected injection molding inlet pipe (4), the top of the injection molding inlet pipe (4) is connected to an injection molding conduit (5), the outside of the injection molding conduit (5) is provided with a fixed card cover (6) adapted thereto, one end of a connecting rope (7) is connected to the outer wall of one side of the fixed card cover (6), and the other end of the connecting rope (7) is connected to the outer wall of one side of the injection molding conduit (5).
2. The detachable injection mold for door lock production according to claim 1, characterized in that: The fixed side plate (3) of the door lock upper mold (1) is provided with a connecting screw groove (9), and the connecting screw groove (9) is also opened at the top of the fixed side plate (3) of the door lock lower mold (2). The connecting screw groove (9) connects and fixes the door lock upper mold (1) and the door lock lower mold (2) by providing a connecting screw (10) adapted thereto. The top end of the connecting screw (10) is provided with a loose handle (11). The door lock upper mold (1) is provided with a fastening screw groove (14), and the fastening screw groove (14) is also opened at the top of the door lock lower mold (2). The fastening screw groove (14) connects and fixes the door lock upper mold (1) and the door lock lower mold (2) by providing a fastening knob (15) adapted thereto.
3. The detachable injection mold for door lock production according to claim 1, characterized in that: Linearly distributed connecting slots (12) are provided on both sides of the top of the door lock lower mold (2), and connecting bolts (13) adapted to the connecting slots (12) are provided on both sides of the bottom of the door lock upper mold (1). The connecting slots (12) are provided with connecting bolts (13) adapted to the connecting slots (12), and the door lock upper mold (1) and the door lock lower mold (2) are connected and fixed.
4. The detachable injection mold for door lock production according to claim 1, characterized in that: The inner wall of the door lock upper mold (1) is provided with an upper mold inner shell (16), the inner wall of the door lock lower mold (2) is provided with a lower mold inner shell (17), and the top of the door lock lower mold (2) is provided with a sealing groove (18) adapted to the upper mold inner shell (16), and the door lock upper mold (1) is connected and fixed to the door lock lower mold (2) by providing the sealing groove (18).
5. The detachable injection mold for door lock production according to claim 4, characterized in that: The inner wall of the upper mold inner shell (16) is coated with an anti-adhesion coating (19), and the inner wall of the lower mold inner shell (17) is also coated with an anti-adhesion coating (19).
6. The detachable injection mold for door lock production according to claim 4, characterized in that: The top inner wall of the upper mold inner shell (16) is provided with linearly distributed heat dissipation guide fins (20), and the bottom inner wall of the lower mold inner shell (17) is also provided with linearly distributed heat dissipation guide fins (20).
7. The detachable injection mold for door lock production according to claim 1, characterized in that: The top of the door lock upper mold (1) is provided with linearly distributed demoulding hooks (8).