Oil cylinder driving sliding block self-locking structure of plastic mold
By introducing an external self-locking structure of sliders into the plastic mold, the problems of large-bore cylinder occupying space and heat accumulation are solved, and the cylinder bore reduction and slider self-locking are achieved, which improves molding efficiency and saves costs.
Patent Information
- Application Number
- CN202422663959.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-11-01
AI Technical Summary
In existing plastic molds, a large cylinder bore is required when the front module slide cylinder is driven to prevent the slide from retreating, occupying a large mold space and heat accumulation affecting molding, which is difficult to effectively solve the problem in the existing technology.
The slider external self-locking structure is adopted to reduce the cylinder bore by the self-locking assembly, and combine it with the mechanical structure to realize the self-locking of the slider to avoid the slider backwards.
Reduce the demand for cylinder bores, save mold space and cost, reduce the risk of slider retraction, and improve molding efficiency.
Smart Images
Figure CN223266207U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic molds, in particular to a self-locking structure of a slide block driven by an oil cylinder of a plastic mold. Background Art
[0002] When there is a demoulding slider on the front mold of a plastic product mold, we usually use a cylinder to drive the slider to realize the movement. If the glue surface of the slider of the front mold is large, in order to lock the slider and not move back during the molding process, we have to use a cylinder with a large cylinder diameter to provide sufficient thrust to ensure it. However, in order to ensure that the slider does not move back during the injection molding process, a cylinder with a cylinder diameter of 180mm is selected, which will occupy a larger area in the plastic mold, and a large amount of heat will be accumulated during the use of the cylinder, thus affecting the subsequent process. Utility Model Content
[0003] (1) Technical problems solved
[0004] In response to the shortcomings of the existing technology, the utility model provides a self-locking structure for a plastic mold slider driven by an oil cylinder. For the situation where the front mold slider is driven by an oil cylinder and the glue area is large, the cylinder diameter of the oil cylinder is reduced by means of an external self-locking structure of the slider.
[0005] (2) Technical solution
[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a plastic mold oil cylinder driven slider self-locking structure, comprising a plastic mold, a front mold slider provided in the plastic mold, the front mold slider being in contact with the product, and a self-locking component capable of driving the front mold slider to move and lock;
[0007] The self-locking assembly includes a first shovel base, which is connected to the front mold slider. A T-shaped block connected to the first shovel base is provided in the plastic mold, and a connecting plate connected to the T-shaped block is provided on the T-shaped block. A second shovel base connected to the connecting plate is provided in the connecting plate, and the second shovel base is provided with a self-locking block that can be displaced along the interior of the second shovel base and can lock the first shovel base. The plastic mold is provided with an oil cylinder that can drive the first shovel base to move, and the oil cylinder can move along the surface of the plastic mold.
[0008] Furthermore, the T-shaped block is slidably embedded in the first shovel base, and a stopper is provided in the T-shaped block. The stopper can move along the inside of the stopper and can be embedded in the plastic mold.
[0009] Furthermore, one end of the T-shaped block is provided with a T-shaped connecting block integrally formed with the T-shaped block, the first shovel base is provided with a T-shaped push block that can interfere with the output end of the oil cylinder and push the block to move, and the outside of the T-shaped block is provided with a guide plate that can guide the movement of the block.
[0010] Furthermore, a return spring capable of elastic return is provided inside the stopper, the cross-section of the outer end of the stopper is bullet-shaped, a groove adapted to the bullet-shaped stopper is provided in the plastic mold, and an inclined chamfer surface matching the bullet-shaped stopper is provided in the groove, and the stopper is symmetrically arranged inside the T-shaped block, and both end ends of the T-shaped push block are provided with inclined chamfers that can cooperate with the two stoppers.
[0011] Furthermore, the connecting plate can be installed on the surface of the T-shaped push block by bolts, and the second shovel base can be symmetrically installed on the two end portions of the connecting plate by bolts. The two second shovel bases are each provided with a movable self-locking block, and the first shovel base is provided with a self-locking block slot adapted to the self-locking block.
[0012] Furthermore, the inner end portions of the two second shovel bases are provided with inclined surfaces extending inward, and the self-locking blocks are displaced along the displacement grooves in the inclined surfaces.
[0013] Furthermore, a groove is provided in the plastic mold and both the T-shaped block and the oil cylinder can move along the groove in the plastic mold.
[0014] Furthermore, the cylinder diameter of the oil cylinder is 63 mm.
[0015] This solution reduces the cylinder diameter of the oil cylinder by installing an external self-locking structure on the front mold slider. When the mold is in the closed state and the mold is opened, the oil cylinder retreats 12mm, and then the external self-locking block opens, the self-locking of the front mold slider is released, and the oil cylinder drives the front mold slider to retreat 30mm, and the slider is detached from the product, thereby realizing the demoulding operation; when the mold is closed, the oil cylinder T block is blocked by the block inside the slider, and the oil cylinder will push the slider forward 30mm. After the oil cylinder advances 30mm, the slider reaches the closed state, and the block inside the slider has space to retreat. Under the action of the spring force, the block retreats and fails. After that, the oil cylinder advances another 12mm, the slider does not move, and the external self-locking block locks the slider to prevent it from retreating.
[0016] The improvements resulted in a smaller cylinder diameter, saving mold space and cylinder procurement costs. The front mold slide now features a mechanical self-locking mechanism, reducing the risk of backlash during molding. However, the self-locking mechanism, coupled with the slide, places high demands on component processing and assembly.
[0017] Compared with the existing technology, the self-locking structure of the plastic mold oil cylinder driven slider can not only achieve the effect of locking the front mold slider by driving the first shovel base to move the front mold slider through the oil cylinder, but also drive the self-locking block to self-lock the first shovel base through the second shovel base to prevent the slider from being demolded. The second shovel base and the self-locking block are externally arranged on the first shovel base, thereby reducing the cylinder diameter of the oil cylinder. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the structure from above;
[0020] Figure 3 This is a schematic structural diagram of the T-shaped block of the utility model;
[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in FIG;
[0022] Figure 5 For this utility model Figure 3 Schematic diagram of the cross-sectional structure at BB in FIG;
[0023] Figure 6 For this utility model Figure 1 Schematic diagram of some simple structures in .
[0024] In the figure: 1. Plastic mold; 2. Front mold slider; 3. Self-locking assembly; 4. First shovel base; 5. T-shaped block; 6. Connecting plate; 7. Second shovel base; 8. Self-locking block; 9. Oil cylinder; 10. Stop block; 11. T-shaped connecting block; 12. T-shaped push block; 13. Guide plate; 14. Groove; 15. Return spring; 16. Self-locking block slot; 17. Inclined surface; 18. Inclined chamfered surface. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0026] See also Figures 1 to 6The utility model provides a technical solution: a self-locking structure of a plastic mold oil cylinder driving a slider, comprising a plastic mold 1, a front mold slider 2 being provided in the plastic mold 1, the front mold slider 2 being in contact with the product, and a self-locking component 3 being provided in the plastic mold 1 that can drive the front mold slider 2 to move and lock; the self-locking component 3 comprises a first shovel base 4, the first shovel base 4 being connected to the front mold slider 2, a T-shaped block 5 being provided in the plastic mold 1 and being connected to the first shovel base 4, the T-shaped block 5 being slidably embedded in the first shovel base 4, the T-shaped block 5 being provided with a stopper 10, the stopper 10 being able to move along the inside of the stopper 10 And can be embedded in the plastic mold 1, one end of the T-shaped block 5 is provided with a T-shaped connecting block 11 integrally formed with the T-shaped block 5, the first shovel base 4 is provided with a T-shaped push block 12 that can conflict with the output end of the oil cylinder 9 and can push the stopper 10 to move, the outside of the T-shaped block 5 is provided with a guide plate 13 that can guide the movement of the stopper 10, the inside of the stopper 10 is provided with a return spring 15 that can perform elastic return, the cross-section of the outer end of the stopper 10 is bullet-shaped, the plastic mold 1 is provided with a groove 14 that is adapted to the bullet-shaped stopper 10, and the groove 14 is provided with a bullet-shaped stopper 10 matching the inclined chamfer surface 18, the stopper 10 is symmetrically arranged inside the T-shaped block 5, and the two end ends of the T-shaped push block 12 are provided with an inclined chamfer that can match the two stoppers 10, the T-shaped block 5 is provided with a connecting plate 6 connected to the T-shaped block 5, the connecting plate 6 can be installed on the surface of the T-shaped push block 12 by bolts, the second shovel base 7 can be symmetrically installed on the two end ends of the connecting plate 6 by bolts, the two second shovel bases 7 are provided with a self-locking block 8 that can be moved inside, the first shovel base 4 is provided with a self-locking block slot 16 that matches the self-locking block 8, the inner side of the two second shovel bases 7 An inwardly extending inclined surface 17 is provided at the end portion, and the self-locking block 8 is displaced along the displacement groove in the inclined surface 17. A second shovel base 7 connected to the connecting plate 6 is provided in the connecting plate 6. The second shovel base 7 is provided with a self-locking block 8 that can be displaced along the inside of the second shovel base 7 and can lock the first shovel base 4. An oil cylinder 9 that can drive the first shovel base 4 to move is provided on the plastic mold 1. The oil cylinder 9 can move along the surface of the plastic mold 1. A groove is provided in the plastic mold 1, and both the T-shaped block 5 and the oil cylinder 9 can move along the groove in the plastic mold 1. The cylinder diameter of the oil cylinder 9 is 63 mm.
[0027] The electrical components mentioned in this article are all connected to an external main controller and 380V commercial power, and the main controller can be a conventional known device that performs control such as a computer.
[0028] In the description of this specification, the terms "connect", "install", "fix", "set", etc. are understood in a broad sense. For example, "connection" can be a fixed connection or an indirect connection through an intermediate component without affecting the relationship between components and the technical effect. It can also be an integral connection or a partial connection. As in this example, for ordinary technicians in this field, the specific meanings of the above terms in this utility model or utility model can be understood according to specific circumstances.
[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A self-locking structure for a plastic mold oil cylinder driving a slide, comprising a plastic mold (1), characterized in that: The plastic mold (1) is provided with a front mold slider (2), the front mold slider (2) is fitted with the product, and the plastic mold (1) is provided with a self-locking component (3) capable of driving the front mold slider (2) to move and lock; The self-locking component (3) includes a first shovel base (4), the first shovel base (4) is connected to the front mold slider (2), a T-shaped block (5) connected to the first shovel base (4) is provided in the plastic mold (1), a connecting plate (6) connected to the T-shaped block (5) is provided on the T-shaped block (5), a second shovel base (7) connected to the connecting plate (6) is provided in the connecting plate (6), the second shovel base (7) is provided with a self-locking block (8) that can be displaced along the inside of the second shovel base (7) and can lock the first shovel base (4), and an oil cylinder (9) that can drive the first shovel base (4) to move is provided on the plastic mold (1), and the oil cylinder (9) can move along the surface of the plastic mold (1).
2. The self-locking structure of the plastic mold cylinder driving slide according to claim 1, characterized in that: The T-shaped block (5) is slidably embedded in the first shovel base (4); a stopper (10) is provided in the T-shaped block (5); the stopper (10) can move along the inside of the stopper (10) and can be embedded in the plastic mold (1).
3. The self-locking structure of the plastic mold cylinder driving slide according to claim 2, characterized in that: One end portion of the T-shaped block (5) is provided with a T-shaped connecting block (11) integrally formed with the T-shaped block (5); the first shovel base (4) is provided with a T-shaped pushing block (12) capable of contacting the output end of the oil cylinder (9) and pushing the stopper (10) to move; the outside of the T-shaped block (5) is provided with a guide plate (13) capable of guiding the movement of the stopper (10).
4. The self-locking structure of the plastic mold cylinder driving slide according to claim 3, characterized in that: The stopper (10) is provided with a return spring (15) capable of elastic return, the cross-section of the outer end of the stopper (10) is bullet-shaped, the plastic mold (1) is provided with a groove (14) adapted to the bullet-shaped stopper (10), the groove (14) is provided with an inclined chamfered surface (18) matching the bullet-shaped stopper (10), the stopper (10) is symmetrically arranged inside the T-shaped block (5), and both end portions of the T-shaped push block (12) are provided with inclined chamfered surfaces that can match the two stoppers (10).
5. The self-locking structure of the plastic mold oil cylinder driving slide according to claim 1, characterized in that: The connecting plate (6) can be mounted on the surface of the T-shaped push block (12) by means of bolts, and the second shovel base (7) can be symmetrically mounted on both ends of the connecting plate (6) by means of bolts, and the interiors of the two second shovel bases (7) are both provided with movable self-locking blocks (8), and the first shovel base (4) is provided with self-locking block slots (16) adapted to the self-locking blocks (8).
6. The self-locking structure of the plastic mold oil cylinder driving slide according to claim 5, characterized in that: The inner ends of the two second shovel bases (7) are provided with inclined surfaces (17) extending inwards, and the self-locking block (8) is displaced along the displacement groove in the inclined surface (17).
7. The self-locking structure of the plastic mold cylinder driving slide according to claim 1, characterized in that: A groove is provided in the plastic mold (1), and both the T-shaped block (5) and the oil cylinder (9) can move along the groove in the plastic mold (1).
8. The self-locking structure of the plastic mold cylinder driving slide according to claim 1, characterized in that: The cylinder diameter of the oil cylinder (9) is 63 mm.