Automatic mold unlocking structure
By designing automatic unlocking, mold opening and demolding mechanisms in the injection mold, the problems of inconvenient locking of the mother mold and inconvenient mold opening and demolding operations are solved, and the stability and production efficiency of the mold are improved.
Patent Information
- Application Number
- CN202421160631.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-27
AI Technical Summary
When used, existing injection molds are inconvenient to lock and limit the master mold, and are prone to displacement or leakage, which affects product quality and production safety, and is inconvenient to open and demolding operations, affecting production efficiency.
An automatic mold unlocking structure is designed, including an unlocking mechanism, a mold opening mechanism and a mold release mechanism. The automatic locking, unlocking, mold opening and mold release operations of the mother mold are realized through the cylinder driving of the mobile plate and the guide rod to ensure the stability of the mold. and productivity.
It improves the stability and production safety of the mold, facilitates and quickly mold opening and demolding operations, and improves product quality and production efficiency.
Smart Images

Figure CN222309729U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of molds, in particular to an automatic mold unlocking structure. Background Art
[0002] Injection mold is an important tool for producing plastic products. Its working principle is to inject molten plastic into the mold and form the desired product after cooling. This process includes steps such as melting, injection, cooling, mold opening and demoulding of plastic. Injection mold mainly includes male mold and female mold.
[0003] However, when using the existing injection mold, it is not convenient to lock and limit the mother mold. The mother mold is prone to shift or leak under high pressure, which affects product quality and production safety. At the same time, it is not convenient to unlock the mother mold when opening the mold, which affects production efficiency. Moreover, after the injection molding is completed, it is not convenient to open the mold and demolding operations, which also affects product quality and production efficiency. Utility Model Content
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a mold automatic unlocking structure, including a mold body, the mold body including a male mold and a female mold, the bottom of the male mold is fixedly connected to a first workbench, and the bottom of the first workbench is fixedly connected to two symmetrically arranged support plates, the bottom of the support plate is fixedly connected to a second workbench, and the bottom of the second workbench is fixedly connected to a plurality of symmetrically arranged legs, the top of the male mold is fixedly connected to a plurality of symmetrically arranged first guide rods, and the female mold is sleeved on the side walls of the first guide rods, the bottom of the female mold is fixedly connected to a plurality of symmetrically arranged fixing rods, and the lower ends of the fixing rods pass through the bottom of the male mold, the top of the first workbench is provided with an unlocking mechanism for automatically unlocking the female mold, the top of the second workbench is provided with a mold opening mechanism for pushing the female mold to open the mold, and the top of the second workbench is provided with a demolding mechanism for demolding the product.
[0005] Preferably, the unlocking mechanism includes a plurality of symmetrically arranged slots opened on the opposite side walls of the mother mold, and the top of the first workbench is connected to two symmetrically arranged first movable plates through a movable mechanism, and the side walls of each of the first movable plates are fixedly connected to two symmetrically arranged plug plates.
[0006] Preferably, the moving mechanism includes a mounting frame fixedly connected to the top of the first workbench, and the top of the mounting frame is fixedly connected to a first cylinder, the telescopic end of the first cylinder is fixed to the bottom of the first moving plate, and a guide mechanism for guiding the first moving plate is provided on the top of the first workbench.
[0007] Preferably, the guiding mechanism comprises two groups of symmetrically arranged fixed plates fixedly connected to the top of the first workbench, and each group of fixed plates has two fixed plates, and a sliding groove is formed on the side wall of each fixed plate, and the first movable plate slides in the sliding groove.
[0008] Preferably, the mold opening mechanism includes a plurality of second guide rods arranged in an array and fixedly connected between the first workbench and the second workbench, and the side walls of the second guide rods are sleeved with a second movable plate, the top of the second movable plate is fixedly connected with a plurality of symmetrically arranged top rods, and the movement of the second movable plate is driven by a lifting mechanism.
[0009] Preferably, the lifting mechanism includes two symmetrically arranged second cylinders fixedly connected to the top of the second workbench, and the side walls of the second movable plate are fixedly connected to two symmetrically arranged connecting plates, and the connecting plates are fixed to the telescopic ends of the second cylinders.
[0010] Preferably, the demolding mechanism includes a third movable plate sleeved on the side wall of the second guide rod, and a plurality of ejector pins are fixedly connected to the top of the third movable plate, a third cylinder is fixedly connected to the bottom of the second workbench, and the telescopic end of the third cylinder passes through the top of the second workbench and is fixed to the bottom of the third movable plate.
[0011] The beneficial effects brought by the technical solution provided by the utility model are:
[0012] 1. The automatic mold unlocking structure of the utility model is provided with an unlocking mechanism, etc. When performing injection molding, after the female mold and the male mold are molded together, the first cylinder is started, so that the first movable plate moves toward the direction close to the female mold and inserts the insert plate into the slot, so that the female mold can be automatically locked, the mold stability and safety are improved, and the quality and production safety of the product are guaranteed. After the injection molding is completed, when demolding is required, the first cylinder is started, so that the insert plate is withdrawn from the slot, and the female mold is automatically unlocked, so as to ensure the normal mold opening of the female mold and the normal demolding operation of the product, which is more convenient and quick, and improves the production efficiency;
[0013] 2. The automatic unlocking structure of the mold of the utility model is provided with a mold opening mechanism, etc. After the injection molding is completed, when the mold needs to be opened, after the mother mold is automatically unlocked, the second cylinder is started to move the connecting plate upward, driving the second movable plate to move upward along the side wall of the second guide rod, and driving the push rod to move upward, so that the push rod is abutted against the bottom of the fixed rod, and the mother mold is pushed to move upward along the side wall of the first guide rod to realize the mold opening operation, thereby making the mold opening more convenient and quick, and ensuring the quality of the mold opening.
[0014] 3. The automatic unlocking structure of the mold of the utility model is provided with a demoulding mechanism, etc. After the mold opening is completed, when demoulding is required, the third cylinder is started to make the third movable plate move upward along the side wall of the second guide rod, and drive the ejector pin to move upward and push the product out to realize the demoulding operation, thereby making demoulding more convenient and quick, and ensuring the quality of demoulding. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the mold automatic unlocking structure in the utility model;
[0017] Figure 2 It is a three-dimensional structural schematic diagram of another perspective of the mold automatic unlocking structure in the utility model;
[0018] Figure 3 It is a schematic diagram of the position of the demoulding mechanism in the automatic unlocking structure of the mold in the utility model;
[0019] Figure 4 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;
[0020] Figure 5 yes Figure 2 A schematic diagram of the enlarged structure at B in the middle;
[0021] Figure 6 yes Figure 3 Schematic diagram of the enlarged structure at point C in the middle.
[0022] In the figure: 1. mold body; 101. male mold; 102. female mold; 201. slot; 202. first movable plate; 203. plug plate; 301. fixed plate; 302. sliding groove; 401. mounting frame; 402. first cylinder; 501. second cylinder; 502. connecting plate; 601. second guide rod; 602. second movable plate; 603. ejector rod; 701. third movable plate; 702. ejector pin; 703. third cylinder; 8. support leg; 9. second workbench; 10. support plate; 11. first workbench; 12. product; 13. first guide rod; 14. fixed rod. DETAILED DESCRIPTION
[0023] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0024] In the following description, for the sake of clarity and simplicity, not all of the multiple components shown in the figures are described. The multiple components shown in the drawings provide a fully practicable disclosure of the present invention to those of ordinary skill in the art. For those of ordinary skill in the art, the operation of many components is familiar and obvious.
[0025] Example:
[0026] like Figure 1-Figure 6 As shown, this embodiment provides a mold automatic unlocking structure, including a mold body 1, the mold body 1 includes a male mold 101 and a female mold 102, the bottom of the male mold 101 is fixedly connected to a first workbench 11, and the bottom of the first workbench 11 is fixedly connected to two symmetrically arranged support plates 10, the bottom of the support plate 10 is fixedly connected to a second workbench 9, and the bottom of the second workbench 9 is fixedly connected to a plurality of symmetrically arranged legs 8, the top of the male mold 101 is fixedly connected to a plurality of symmetrically arranged first guide rods 13, and the female mold 102 is sleeved on the side wall of the first guide rod 13, the bottom of the female mold 102 is fixedly connected to a plurality of symmetrically arranged fixing rods 14, and the lower ends of the fixing rods 14 are fixedly connected to the first guide rods 13, and the lower ends of the fixing rods 14 are fixedly connected to the first guide rods 13. The bottom of the male mold 101 is arranged through the top, and an unlocking mechanism for automatically unlocking the female mold 102 is arranged on the top of the first workbench 11. A mold opening mechanism for pushing the female mold 102 to open the mold is arranged on the top of the second workbench 9, and a demolding mechanism for demolding the product 12 is arranged on the top of the second workbench 9. After the mold is closed, the female mold 102 can be automatically locked to improve the stability and safety of the mold, thereby ensuring the quality and production safety of the product 12. After the injection molding is completed, when demolding is required, the female mold 102 is automatically unlocked, which is more convenient and quick, improves the production efficiency, and is convenient for mold opening and demolding operations to ensure production efficiency and quality.
[0027] The unlocking mechanism includes a plurality of symmetrically arranged slots 201 opened on the opposite side walls of the mother mold 102, and the top of the first workbench 11 is connected to two symmetrically arranged first movable plates 202 through a moving mechanism, and the side walls of each first movable plate 202 are fixedly connected to two symmetrically arranged plug plates 203. During injection molding, after the mother mold 102 and the male mold 101 are molded together, the first movable plate 202 is moved in a direction close to the mother mold 102 through the moving mechanism and the plug plates 203 are inserted into the slots 201, so that the mother mold 102 can be automatically locked, the mold stability and safety are improved, and the quality and production safety of the product 12 are guaranteed. After the injection molding is completed, when demolding is required, the plug plates 203 are withdrawn from the slots 201 through the moving mechanism, and the mother mold 102 is automatically unlocked, thereby ensuring the normal mold opening of the mother mold 102 and the normal demolding operation of the product 12, which is more convenient and quick, and improves the production efficiency.
[0028] The moving mechanism includes a mounting frame 401 fixedly connected to the top of the first workbench 11, and a first cylinder 402 is fixedly connected to the top of the mounting frame 401, the telescopic end of the first cylinder 402 is fixed to the bottom of the first moving plate 202, and a guiding mechanism for guiding the first moving plate 202 is provided on the top of the first workbench 11. When the first cylinder 402 is started, the first moving plate 202 moves.
[0029] The guiding mechanism includes two groups of symmetrically arranged fixed plates 301 fixedly connected to the top of the first workbench 11, and each group of fixed plates 301 has two fixed plates. The side walls of each fixed plate 301 are provided with a sliding groove 302, and the first movable plate 202 slides in the sliding groove 302, which guides and resets the movement of the first movable plate 202.
[0030] The mold opening mechanism includes a plurality of arrayed second guide rods 601 fixedly connected between the first workbench 11 and the second workbench 9, and the side walls of the second guide rods 601 are sleeved with a second movable plate 602, and the top of the second movable plate 602 is fixedly connected with a plurality of symmetrically arranged ejector rods 603, and the movement of the second movable plate 602 is driven by a lifting mechanism. After the injection molding is completed, when the mold needs to be opened, after the mother mold 102 is automatically unlocked, the second movable plate 602 is driven by the lifting mechanism to move upward along the side walls of the second guide rods 601, and the ejector rods 603 are driven to move upward, so that the ejector rods 603 are abutted against the bottom of the fixed rod 14, and the mother mold 102 is pushed to move upward along the side walls of the first guide rods 13, to realize the mold opening operation, thereby making the mold opening more convenient and quick, and ensuring the quality of the mold opening.
[0031] The lifting mechanism includes two symmetrically arranged second cylinders 501 fixedly connected to the top of the second workbench 9, and the side walls of the second movable plate 602 are fixedly connected to two symmetrically arranged connecting plates 502, and the connecting plates 502 are fixed to the telescopic ends of the second cylinders 501. Starting the second cylinder 501 causes the connecting plates 502 to move upward, driving the second movable plate 602 to move upward along the side walls of the second guide rod 601.
[0032] The demoulding mechanism includes a third movable plate 701 sleeved on the side wall of the second guide rod 601, and a plurality of ejector pins 702 are fixedly connected to the top of the third movable plate 701, and a third cylinder 703 is fixedly connected to the bottom of the second workbench 9, and the telescopic end of the third cylinder 703 passes through the top of the second workbench 9 and is fixed to the bottom of the third movable plate 701. When the mold opening is completed and demoulding is required, the third cylinder 703 is started to make the third movable plate 701 move upward along the side wall of the second guide rod 601, and drive the ejector pin 702 to move upward and push the product 12 out, so as to realize the demoulding operation, thereby making the demoulding more convenient and quick, and ensuring the quality of demoulding.
[0033] Working principle: when in use, first, during injection molding, after the female mold 102 and the male mold 101 are molded together, the first cylinder 402 is started, so that the first moving plate 202 moves toward the direction close to the female mold 102 and inserts the insert plate 203 into the slot 201, so that the female mold 102 can be automatically locked, the mold stability and safety are improved, and the quality and production safety of the product 12 are guaranteed;
[0034] After the injection molding is completed, when demoulding is required, the first cylinder 402 is started to withdraw the insert plate 203 from the slot 201, and the mother mold 102 is automatically unlocked, thereby ensuring the normal mold opening of the mother mold 102 and the normal demoulding operation of the product 12, which is more convenient and quick, and improves the production efficiency;
[0035] When it is necessary to open the mold, after the mother mold 102 is automatically unlocked, the second cylinder 501 is started to move the connecting plate 502 upward, drive the second movable plate 602 to move upward along the side wall of the second guide rod 601, and drive the push rod 603 to move upward, so that the push rod 603 is against the bottom of the fixed rod 14, and pushes the mother mold 102 to move upward along the side wall of the first guide rod 13, so as to realize the mold opening operation, thereby making the mold opening more convenient and quick, and ensuring the quality of the mold opening;
[0036] After the mold is opened, when demolding is required, the third cylinder 703 is started to move the third movable plate 701 upward along the side wall of the second guide rod 601, and drive the ejector pin 702 to move upward and push the product 12 out to realize the demolding operation, thereby making demolding more convenient and quick, and ensuring the quality of demolding.
[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A mold automatic unlocking structure, comprising a mold body (1), wherein the mold body (1) comprises a male mold (101) and a female mold (102), characterized in that: The bottom of the male mold (101) is fixedly connected to a first workbench (11), and the bottom of the first workbench (11) is fixedly connected to two symmetrically arranged support plates (10), the bottom of the support plate (10) is fixedly connected to a second workbench (9), and the bottom of the second workbench (9) is fixedly connected to a plurality of symmetrically arranged supporting legs (8), the top of the male mold (101) is fixedly connected to a plurality of symmetrically arranged first guide rods (13), and the female mold (102) is sleeved on the sides of the first guide rods (13). The bottom of the female mold (102) is fixedly connected to a plurality of symmetrically arranged fixing rods (14), and the lower ends of the fixing rods (14) penetrate the bottom of the male mold (101); the top of the first workbench (11) is provided with an unlocking mechanism for automatically unlocking the female mold (102); the top of the second workbench (9) is provided with an opening mechanism for pushing the female mold (102) to open the mold; and the top of the second workbench (9) is provided with a demoulding mechanism for demoulding the product (12).
2. The mold automatic unlocking structure according to claim 1, characterized in that: The unlocking mechanism comprises a plurality of symmetrically arranged slots (201) opened on opposite side walls of the mother mold (102), and the top of the first workbench (11) is connected to two symmetrically arranged first movable plates (202) via a movable mechanism, and the side walls of each of the first movable plates (202) are fixedly connected to two symmetrically arranged plug plates (203).
3. The mold automatic unlocking structure according to claim 2, characterized in that: The moving mechanism comprises a mounting frame (401) fixedly connected to the top of the first workbench (11), and a first cylinder (402) is fixedly connected to the top of the mounting frame (401), a telescopic end of the first cylinder (402) is fixed to the bottom of the first moving plate (202), and a guiding mechanism for guiding the first moving plate (202) is provided on the top of the first workbench (11).
4. The mold automatic unlocking structure according to claim 3, characterized in that: The guide mechanism comprises two groups of symmetrically arranged fixed plates (301) fixedly connected to the top of the first workbench (11), and each group of fixed plates (301) has two fixed plates. The side walls of each fixed plate (301) are provided with a sliding groove (302), and the first movable plate (202) slides in the sliding groove (302).
5. The mold automatic unlocking structure according to claim 2, characterized in that: The mold opening mechanism comprises a plurality of second guide rods (601) arranged in an array and fixedly connected between the first workbench (11) and the second workbench (9), and the side walls of the second guide rods (601) are sleeved with a second movable plate (602), the top of the second movable plate (602) is fixedly connected with a plurality of symmetrically arranged top rods (603), and the movement of the second movable plate (602) is driven by a lifting mechanism.
6. The mold automatic unlocking structure according to claim 5, characterized in that: The lifting mechanism comprises two symmetrically arranged second cylinders (501) fixedly connected to the top of the second workbench (9); the side wall of the second movable plate (602) is fixedly connected to two symmetrically arranged connecting plates (502), and the connecting plates (502) are fixed to the telescopic ends of the second cylinders (501).
7. The mold automatic unlocking structure according to claim 5, characterized in that: The demoulding mechanism comprises a third movable plate (701) sleeved on the side wall of the second guide rod (601), and a plurality of ejector pins (702) are fixedly connected to the top of the third movable plate (701), and a third cylinder (703) is fixedly connected to the bottom of the second workbench (9), and a telescopic end of the third cylinder (703) passes through the top of the second workbench (9) and is fixed to the bottom of the third movable plate (701).