A demoulding lateral core pulling mechanism
By designing a mold release lateral core pulling mechanism including positioning components such as side cores, insert plates, limiting horizontal plates, etc., the problems of poor fixedness of the side core and weak structural connectivity in the prior art are solved, and the functions of stability, mechanical operation and guide limit are realized, and the mold release efficiency and processing accuracy of the parts are improved.
Patent Information
- Application Number
- CN202420882992.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing lateral core extraction mechanism cannot fully fix the side core, and will lose the fixing effect after long-term use, affecting the mold release treatment of the parts, and the structural connectivity is weak, reducing stability.
A mold release lateral core extraction mechanism is designed. By setting a side core, insertion plate, limiting horizontal plate, pulling block, inner joint and mounting block, the side core transversely penetrates the interior of the insertion plate. The mounting block is used to fix it in the inner joint to enhance the fixing effect of the structure, and quickly release it through components such as cylinders, push rods, and mobile seats.
The mold release lateral core pulling mechanism not only realizes the stability and mechanical operation functions, but also realizes the guide limit function, ensuring that the fixed seat of the machine is not misaligned, improving processing accuracy, and simplifying the process flow through rapid mold release operation and improving efficiency.
Smart Images

Figure CN222697836U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of product processing demoulding, in particular to a demoulding lateral core pulling mechanism. Background Art
[0002] The demoulding of injection molded products is done by the injection molding machine pushing the ejector plate to eject the product. There is only one demoulding direction. When the product has bosses, holes, and grooves, buckles will be formed if they are inconsistent with the demoulding direction. At this time, the mold needs to add mechanisms to allow the undercuts to be ejected in other demoulding directions. Among them, one of the most commonly used mechanisms is the lateral core pulling mechanism. Compared with other mechanisms, the lateral core pulling mechanism has a simple structure and good stability. It can be disassembled into small pieces for easy processing and high work efficiency.
[0003] The lateral core pulling mechanism currently used cannot fully fix the side core. After long-term use, it will lose the fixing effect, affecting the subsequent demoulding of the part. At the same time, the connectivity between the structures is weak, reducing stability.
[0004] Therefore, a new type of demoulding lateral core pulling mechanism is proposed to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a demoulding lateral core pulling mechanism to solve the problem proposed in the above-mentioned background technology that the side core cannot be fixed in an all-round manner, the fixing effect will be lost after long-term use, affecting the subsequent demoulding processing of the workpiece, and the connectivity between the structures is weak, reducing the stability.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a demoulding lateral core pulling mechanism, comprising a connecting seat, a fixed mold is arranged above the connecting seat, a built-in groove is opened on the top of one side of the connecting seat, one side of the connecting seat is fixedly connected to a limited seat, the other side of the connecting seat is provided with a fixed seat, the top of the connecting seat is slidably connected to a slider, and the side wall of the slider is provided with a firmly processed positioning component;
[0007] The positioning assembly includes a side core, a limiting cross plate, an insert plate, an internal seat, a mounting block and a pull block. A slot is provided on the side wall of the slider. A insert plate is vertically arranged inside the slider slot. A side core is horizontally arranged inside the insert plate. Two groups of internal seats are fixedly connected to the top and bottom ends of the slider slot. The internal seats are respectively located on both sides of the insert plate. Limiting cross plates are arranged at the front ends of the top and bottom of the insert plate. Mounting blocks are fixedly connected to the rear ends of both sides of the limiting cross plates. The mounting blocks are snap-fitted into the inside of the internal seat.
[0008] Preferably, a pulling block is fixedly connected to the front end of the limiting horizontal plate, a component body is provided on the external sleeve of the top end of the fixing seat, a groove is provided on the outer wall of one side of the component body, the outer side of the side core is snap-connected with the inside of the groove, a locking block is fixedly connected to the side wall of the fixed mold, and the bottom end of the locking block is fit-connected with the top end of the sliding block.
[0009] Preferably, a movable mold is provided on the outer side of the fixed seat, the outer side of the bottom end of the fixed seat is slidably connected to a movable seat, the bottom end of the movable seat is fixedly connected to a push plate, the bottom end of the push plate is fixedly connected to a connecting bottom plate, and the movable seat is slidably connected to the side walls of the connecting seat and the movable mold respectively.
[0010] Preferably, a push rod is fixedly connected to the center of the bottom end of the connecting base plate, a cylinder is fixedly connected to the bottom end of the push rod, and a protective shell is fixedly connected to the outside of the cylinder.
[0011] Preferably, an inclined guide column is provided through the top end of the interior of the fixed mold, and the bottom end of the inclined guide column passes through the interior of the slider and is located in the built-in groove.
[0012] Preferably, a guide groove is transversely provided at the top end of the limit seat, a screw spring is transversely provided inside the guide groove, a connecting groove is provided on the outer side wall of the sliding block, and the screw spring is snap-connected inside the connecting groove.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the demoulding lateral core pulling mechanism not only realizes the stabilization function and the mechanical operation function, but also realizes the guide limit function;
[0014] By providing a side core, a plug plate, a limit horizontal plate, a pull block, an inner seat and a mounting block, the side core runs through the inside of the plug plate horizontally, and is fixed in the corresponding inner seat by using a plurality of sets of mounting blocks to fix the two sets of limit horizontal plates at the front end of the plug plate, respectively providing strong support and protection for the top and bottom of the plug plate, so as to prevent the plug plate and the side core from falling during use and affecting the demoulding effect. At the same time, the side core can be used to fix the position of the workpiece body, so as to ensure that the fixed seat will not be misplaced during the product processing and production process to affect the processing accuracy, and strengthen the fixing effect between the structures;
[0015] By providing a cylinder, a push rod, a connecting bottom plate, a push plate, a moving seat and a protective shell, the cylinder and the push rod cooperate with each other to push the two sets of push plates fixed on the top upward, and the moving seat moves upward accordingly to eject the main body of the workpiece, so as to achieve rapid demoulding processing without manual operation, simplify the demoulding operation steps, and speed up the demoulding efficiency. The connecting bottom plate can provide support for the push plate and the moving seat to ensure that no shaking occurs during the up and down sliding. At the same time, the side walls of the movable mold and the connecting seat provide a guiding sliding effect on the moving seat to avoid displacement during demoulding;
[0016] By setting a limited seat, a screw spring, a guide groove, a connecting groove, an inclined guide column and a built-in groove, the inclined guide column moves downward into the built-in groove, and the fixed mold can be installed on the top of the connecting seat. After the product is finalized, the slider is pulled outward by the resilience of the screw spring itself. After the inclined guide column moves upward, the fixed mold is quickly driven upward to provide convenience for demoulding. While limiting the guide, the operation accuracy is improved to avoid position displacement after repeated use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0018] Figure 2 For the utility model Figure 1 A partial cross-section at the center is an enlarged structural diagram;
[0019] Figure 3 This is a schematic diagram of the front view structure of the push plate of the utility model;
[0020] Figure 4 It is a front view structural schematic diagram of the screw spring of the utility model.
[0021] In the figure: 1. limit seat; 2. screw spring; 3. slider; 4. tightening block; 5. fixed mold; 6. inclined guide column; 7. workpiece body; 8. movable mold; 9. side core; 10. movable seat; 11. fixed seat; 12. push plate; 13. push rod; 14. cylinder; 15. protective shell; 16. connecting seat; 17. built-in groove; 18. limit horizontal plate; 19. plug-in plate; 20. internal seat; 21. mounting block; 22. pull block; 23. connecting bottom plate; 24. connecting groove; 25. guide groove. DETAILED DESCRIPTION
[0022] 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.
[0023] Example 1: Please refer to Figure 1-4 A demoulding lateral core pulling mechanism includes a connecting seat 16, a fixed mold 5 is arranged above the connecting seat 16, a built-in groove 17 is opened on the top of one side of the connecting seat 16, one side of the connecting seat 16 is fixedly connected to the limited seat 1, and the other side of the connecting seat 16 is provided with a fixed seat 11, the top of the connecting seat 16 is slidably connected to the slider 3, and the side wall of the slider 3 is provided with a firmly processed positioning component;
[0024] The positioning assembly includes a side core 9, a limit transverse plate 18, an insert plate 19, an inner seat 20, a mounting block 21 and a pull block 22. A slot is provided on the side wall of the slider 3. The insert plate 19 is vertically arranged inside the slot of the slider 3. The side core 9 is horizontally penetrated inside the insert plate 19. Two groups of inner seats 20 are fixedly connected at the top and bottom ends of the slot of the slider 3. The inner seats 20 are respectively located on both sides of the insert plate 19. The front ends of the top and bottom of the insert plate 19 are both provided with limit transverse plates 18. The rear ends of both sides of the limit transverse plates 18 are fixedly connected with mounting blocks 21. The mounting blocks 21 are snap-fitted and connected inside the inner seats 20.
[0025] The front end of the limiting horizontal plate 18 is fixedly connected with a pull block 22, the top of the fixed seat 11 is provided with a workpiece body 7 on the outside, a groove is provided on the outer wall of one side of the workpiece body 7, the outer side of the side core 9 is engaged with the inside of the groove, and the side wall of the fixed mold 5 is fixedly connected with a clamping block 4, and the bottom end of the clamping block 4 is in close contact with the top of the slider 3;
[0026] Specifically, Figure 1 and Figure 3 As shown, when in use, two sets of limiting horizontal plates 18 are respectively placed at the front ends of the top and bottom of the plug plate 19 until the mounting block 21 is snap-fitted and fixed in the corresponding internal seat 20, thereby fixing the position of the plug plate 19 and the side core 9, and the side core 9 is snap-fitted and fixed in the groove.
[0027] Embodiment 2: A movable mold 8 is disposed on the outer side of the fixed seat 11, a movable seat 10 is slidably connected to the outer side of the bottom end of the fixed seat 11, a push plate 12 is fixedly connected to the bottom end of the movable seat 10, a connecting bottom plate 23 is fixedly connected to the bottom end of the push plate 12, and the movable seat 10 is slidably connected to the connecting seat 16 and the side wall of the movable mold 8 respectively;
[0028] A push rod 13 is fixedly connected to the center of the bottom end of the connecting bottom plate 23, a cylinder 14 is fixedly connected to the bottom end of the push rod 13, and a protective housing 15 is fixedly connected to the outside of the cylinder 14;
[0029] Specifically, Figure 1 and Figure 3 As shown, when in use, after the cylinder 14 is in operation, the push plate 12 fixed on the top is driven to move upward through the push rod 13, and the moving seat 10 moves upward accordingly, pushing up the component body 7 at the bottom until the component body 7 is separated from the inside of the overall structure.
[0030] Embodiment 3: An inclined guide column 6 is provided through the top end of the fixed mold 5, and the bottom end of the inclined guide column 6 passes through the interior of the slider 3 and is located in the built-in groove 17;
[0031] A guide groove 25 is transversely provided at the top of the limit seat 1, a screw spring 2 is transversely provided inside the guide groove 25, a connecting groove 24 is provided on the outer wall of the slider 3, and the screw spring 2 is engaged and connected inside the connecting groove 24;
[0032] Specifically, Figure 1 and Figure 4 As shown, when in use, one side of the screw spring 2 is engaged and fixed in the connecting groove 24, and the screw spring 2 moves outward while pulling the fixed slider 3 outward, thereby releasing the connection between the side core 9 and the component body 7 with the help of the pulling force.
[0033] Working principle: When the utility model is in use, the inclined guide column 6 fixed in the fixed mold 5 acts on the slider 3, so that the inclined guide column 6 pushes the slider 3 outward, so that the slider 3 moves outward, and the limit seat 1 and the screw spring 2 cooperate with each other to limit the moving distance of the slider 3 to prevent the slider 3 from falling. After the cylinder 14 is running, the push rod 13 drives the push plate 12 fixed on the top to move upward, and the moving seat 10 moves upward accordingly, and the bottom part body 7 is lifted up until the part body 7 is separated from the overall structure. During injection molding, the inclined guide column 6 pushes the slider 3 to move inward, and the slider 3 is fixed at the current position through the tightening block 4 to prevent the slider 3 from moving outward during injection molding.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A demoulding lateral core pulling mechanism, comprising a connecting seat (16), characterized in that: A fixed mold (5) is arranged above the connecting seat (16); a built-in groove (17) is provided at the top of one side of the connecting seat (16); one side of the connecting seat (16) is fixedly connected to a limited position seat (1); a fixed seat (11) is arranged at the other side of the connecting seat (16); a slider (3) is slidably connected to the top of the connecting seat (16); and a firmly processed positioning component is arranged on the side wall of the slider (3); The positioning assembly comprises a side core (9), a limiting transverse plate (18), an insert plate (19), an internal connection seat (20), a mounting block (21) and a pull block (22); a side wall of the slider (3) is provided with a slot, a insert plate (19) is vertically arranged inside the slot of the slider (3), a side core (9) is horizontally penetrated inside the insert plate (19), two groups of internal connection seats (20) are fixedly connected at the top and bottom ends inside the slot of the slider (3), the internal connection seats (20) are respectively located on both sides of the insert plate (19), a limiting transverse plate (18) is arranged at the front end of the top and bottom of the insert plate (19), the rear ends of both sides of the limiting transverse plate (18) are fixedly connected with the mounting blocks (21), and the mounting blocks (21) are snap-fitted and connected inside the internal connection seats (20).
2. A demoulding lateral core pulling mechanism according to claim 1, characterized in that: The front end of the limiting horizontal plate (18) is fixedly connected with a pulling block (22), the top of the fixing seat (11) is provided with a component body (7) on the outside, a groove is provided on the outer wall of one side of the component body (7), the outer side of the side core (9) is snap-fitted with the inside of the groove, the side wall of the fixed mold (5) is fixedly connected with a locking block (4), and the bottom end of the locking block (4) is fit-fitted with the top end of the sliding block (3).
3. A demoulding lateral core pulling mechanism according to claim 1, characterized in that: A movable mold (8) is arranged on the outer side of the fixed seat (11), the outer side of the bottom end of the fixed seat (11) is slidably connected to a movable seat (10), the bottom end of the movable seat (10) is fixedly connected to a push plate (12), the bottom end of the push plate (12) is fixedly connected to a connecting bottom plate (23), and the movable seat (10) is slidably connected to the side walls of the connecting seat (16) and the movable mold (8), respectively.
4. A demoulding lateral core pulling mechanism according to claim 3, characterized in that: A push rod (13) is fixedly connected to the center of the bottom end of the connecting bottom plate (23), a cylinder (14) is fixedly connected to the bottom end of the push rod (13), and a protective housing (15) is fixedly connected to the outside of the cylinder (14).
5. The demoulding lateral core pulling mechanism according to claim 1, characterized in that: An inclined guide column (6) is provided through the top end of the interior of the fixed mold (5), and the bottom end of the inclined guide column (6) passes through the interior of the slider (3) and is located in the built-in groove (17).
6. A demoulding lateral core pulling mechanism according to claim 1, characterized in that: A guide groove (25) is transversely formed at the top end of the limit seat (1), a screw spring (2) is transversely provided inside the guide groove (25), a connecting groove (24) is formed on the outer wall of the sliding block (3), and the screw spring (2) is snap-fitted and connected inside the connecting groove (24).