Injection mold for machining composite eccentric bushing
By designing an injection mold that includes components such as an upper mold base, a lower mold base, and guide rods, the problems of mold wear and disassembly difficulties have been solved, enabling rapid mold disassembly and precise injection molding, thereby improving service life and ease of operation.
Patent Information
- Application Number
- CN202520451828.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing composite eccentric sleeves are prone to wear on the mold surface during injection molding, and the mold is difficult to disassemble, which is time-consuming, labor-intensive, and inconvenient for maintenance.
An injection mold comprising an upper mold base, a lower mold base, a guide rod, a damping rod, a buffer spring, and a cylinder was designed. The support frame is moved by the cylinder and the threaded rod is driven by the knob, enabling the mold to be quickly disassembled and precisely positioned for injection molding.
It enables rapid disassembly and maintenance of molds, extends mold lifespan, facilitates operation, and ensures injection precision and efficiency.
Smart Images

Figure CN223812282U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field, especially a kind of injection mold for composite eccentric sleeve processing. BACKGROUND
[0002] Injection molding is also called injection molding, which is a kind of injection molding method. The advantages of injection molding method are fast production speed, high efficiency, automatic operation, various colors and shapes, from simple to complex shape, from large to small size, accurate product size, easy to update product, can form complex parts, injection molding is suitable for mass production and complex product forming processing field. At a certain temperature, the completely melted plastic material is stirred by screw, injected into the mold cavity under high pressure, and the molded product is obtained after cooling and solidification. This method is suitable for batch production of complex parts and is an important processing method.
[0003] The existing composite eccentric sleeve has certain problems in injection molding, and the surface of the mold is easily worn after a long time of mutual extrusion. It needs to be maintained in time, otherwise the size deviation of the composite eccentric sleeve will be caused. The existing mold is relatively difficult to disassemble, and the operation is troublesome, time-consuming and laborious. It is not convenient to disassemble and maintain. In view of the above problems, a kind of injection mold for composite eccentric sleeve processing is improved and upgraded. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of injection mold for composite eccentric sleeve processing to solve the problems in the above background.
[0005] To solve the above problems, the following technical solutions are provided:
[0006] Design a kind of injection mold for composite eccentric sleeve processing, including processing machine table, the first support frame and the second support frame are respectively arranged on the upper end surface of the processing machine table, the first support frame outer wall is fixedly provided with upper die holder, and the upper die holder one side outer wall is provided with dismounting assembly, the second support frame outer wall is provided with lower die holder, and the lower die holder outer wall four corners are provided with four guide rods, and the lower die holder outer wall is provided with lower mold groove.
[0007] Further, the second support frame outer wall is provided with two damping rods and the damping rod outer wall is provided with buffer spring, and the damping rod one end is arranged in the lower die holder.
[0008] Further, the upper end surface of the processing machine table is provided with guide slot, the guide slot is provided with air cylinder, and the air cylinder one end is fixedly connected on support base, the support base upper end surface is fixedly connected with first support frame, and the first support frame bottom is slidably connected on guide slide rail.
[0009] Further, the disassembly assembly comprises an upper mold box, a mold body and a bottom plate, the upper mold box is fixedly arranged on the outer wall of the upper mold base, the mold body and the bottom plate are fixedly connected, and the outer wall of the bottom plate is symmetrically provided with two clamping plates.
[0010] Further, two clamping grooves are symmetrically arranged in the upper mold box, the clamping plates are connected in the clamping grooves, knobs are arranged above and below the upper mold box, the two knobs are fixedly connected with threaded rods, and the threaded rods are threadedly connected in the upper mold box and connected with the clamping plates at the extending ends.
[0011] Further, electric push rods are fixedly arranged at the four corners in the upper mold box, and the electric push rods are connected with the outer wall of the extrusion plate at one end.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. The upper mold box, the mold body, the bottom plate, the clamping plate, the knob and the threaded rod are arranged in the device, the knob is rotated, the threaded rod is driven by the knob to be dislocated from the clamping plate, the mold body is pulled out from the clamping groove in the upper mold box through the bottom plate, the injection mold body is quickly disassembled for maintenance, the service life of the mold body is improved, time and labor are saved, and operation is convenient.
[0014] 2. The cylinder, the moving seat, the guide slide rail, the upper mold base, the lower mold base, the buffer spring and the damping rod are arranged in the device, the first support frame is moved on the support seat by driving the cylinder, the first support frame is slid on the guide slide rail and is limited, the upper mold base penetrates the guide rod and then extrudes the damping rod on the lower mold base when the mold body is extruded with the lower mold groove in the lower mold base, and the upper mold base and the lower mold base are accurately positioned for injection molding and are convenient for buffering under the cooperation of the buffer spring.
[0015] The specific embodiments of the utility model are disclosed in detail with reference to the following description and drawings, and the principle of the utility model can be adopted. It should be understood that the embodiments of the utility model are not limited in scope. The embodiments of the utility model include many changes, modifications and equivalents within the scope of the appended claims and clauses. BRIEF DESCRIPTION OF DRAWINGS
[0016] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:
[0017] Figure 1 It is a whole structure schematic view of the injection mold for processing the composite eccentric sleeve.
[0018] Figure 2 A composite eccentric sleeve processing injection mold unfolding structure schematic view of the utility model;
[0019] Figure 3 For Figure 2 The overall split structure schematic view;
[0020] Figure 4 For Figure 3 The local enlarged split structure schematic view.
[0021] In the figure: 1, processing machine table; 2, first support frame; 3, second support frame; 4, upper die holder; 5, dismounting assembly; 50, upper mold box; 51, mold body; 52, bottom plate; 53, clamping plate; 54, electric push rod; 55, extrusion plate; 56, clamping groove; 57, knob; 58, threaded rod; 6, guide rod; 7, lower die holder; 71, lower mold groove; 8, damping rod; 81, buffer spring; 9, air cylinder; 91, support seat; 92, guide slide rail; 93, guide groove. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0023] As Figure 1 - Figure 4 As shown in the figure, the utility model provides a design a composite eccentric sleeve processing injection mold, including processing machine table 1, the upper end surface of processing machine table 1 is respectively provided with first support frame 2 and second support frame 3, the outer wall of first support frame 2 is fixedly provided with upper die holder 4, and one side of the outer wall of upper die holder 4 is provided with dismounting assembly 5, the outer wall of second support frame 3 is provided with lower die holder 7, and the outer wall of lower die holder 7 is provided with four guide rods 6 at the corners, and the outer wall of lower die holder 7 is provided with lower mold groove 71.
[0024] Preferably, the outer wall of second support frame 3 is symmetrically provided with two damping rods 8, and the outer wall of damping rod 8 is sleeved with buffer spring 81, one end of damping rod 8 is arranged in the inside of lower die holder 7, the inside of the upper end surface of processing machine table 1 is provided with guide groove 93, the inside of guide groove 93 is provided with air cylinder 9, and one end of air cylinder 9 is fixedly connected on support seat 91, the upper end surface of support seat 91 is fixedly connected with first support frame 2, and the bottom of first support frame 2 is slidingly connected on guide slide rail 92.
[0025] The first support frame 2 is moved on the support seat 91 by driving the air cylinder 9, the bottom of the first support frame 2 is slid on the guide slide rail 92 and is limited in cooperation, the mold box 50 connected to the mold body 51 on the outer wall of the upper mold seat 4 is moved stably, when the mold body 51 is extruded in position with the lower mold groove 71 in the lower mold seat 7, the upper mold seat 4 penetrates the guide rod 6 and then extrudes the damping rod 8 on the lower mold seat 7, and the upper mold seat 4 and the lower mold seat 7 are stably extruded and injection-molded in buffer with the cooperation of the buffer spring 81.
[0026] Preferably, the disassembly assembly 5 comprises the upper mold box 50, the mold body 51 and the bottom plate 52, the upper mold box 50 is fixedly arranged on the outer wall of the upper mold seat 4, the mold body 51 and the bottom plate 52 are fixedly connected, the outer wall of the bottom plate 52 is symmetrically provided with two clamping plates 53, the inner part of the clamping plate 53 is connected to the clamping groove 56, the upper and lower parts of the upper mold box 50 are provided with the knobs 57, the two knobs 57 are fixedly connected with the threaded rods 58, the outer wall of the threaded rod 58 is threadedly connected in the inner part of the upper mold box 50 and the extension end is connected to the clamping plate 53, the inner part of the upper mold box 50 is fixedly provided with the electric push rods 54 at four corners, and one end of the electric push rod 54 is connected to the outer wall of the extrusion plate 55.
[0027] The injection-molded mold body 51 can be quickly disassembled and maintained by rotating the knobs 57 on the upper and lower parts of the upper mold box 50, then the clamping plate 53 is pulled out from the clamping groove 56 in the upper mold box 50 through the bottom plate 52.
[0028] The use principle and use process of the utility model are as follows: firstly, the external power supply is connected, the first support frame 2 on the support seat 91 is moved by driving the air cylinder 9, the bottom of the first support frame 2 is slid on the guide slide rail 92 and is limited in cooperation, the mold box 50 connected to the mold body 51 on the outer wall of the upper mold seat 4 is moved stably, when the mold body 51 is extruded in position with the lower mold groove 71 in the lower mold seat 7, the upper mold seat 4 penetrates the guide rod 6 and then extrudes the damping rod 8 on the lower mold seat 7, and the upper mold seat 4 and the lower mold seat 7 are stably extruded and injection-molded in buffer with the cooperation of the buffer spring 81, after injection molding, the upper mold seat 4 is moved, then the four groups of electric push rods 54 drive the extrusion plate 55 to move and quickly demold the mold body 51 on the compound eccentric sleeve, the surface of the mold body 51 is abraded after long-time injection-molded use, the injection-molded mold body 51 can be quickly disassembled and maintained by rotating the knobs 57 on the upper and lower parts of the upper mold box 50, then the clamping plate 53 is pulled out from the clamping groove 56 in the upper mold box 50 through the bottom plate 52, the service life is improved.
[0029] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "connection" and the like should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0030] In the description of the embodiment, the orientation or position relationship of the terms "upper", "lower", "right", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
Claims
1. An injection mold for machining a composite eccentric sleeve, characterized in that, Including processing machine table (1), first support frame (2) and second support frame (3) are arranged on the upper end face of the processing machine table (1) respectively, the outer wall of the first support frame (2) is fixedly provided with an upper die holder (4), and one side of the upper die holder (4) is provided with a disassembly assembly (5); the outer wall of the second support frame (3) is provided with a lower die holder (7), and four guide rods (6) are arranged at the outer wall of the lower die holder (7) at four corners; a lower die groove (71) is formed in the outer wall of the lower die holder (7).
2. The injection mold for processing a composite eccentric sleeve according to claim 1, characterized in that, The outer wall of the second support frame (3) is symmetrically provided with two damping rods (8), and the outer wall of the damping rod (8) is sleeved with a buffer spring (81); one end of the damping rod (8) is arranged in the lower die holder (7).
3. The injection mold for processing a composite eccentric sleeve according to claim 1, characterized in that, A guide groove (93) is formed in the inner portion of the upper end face of the processing machine table (1), the guide groove (93) is provided with a pneumatic cylinder (9) in the inner portion, and one end of the pneumatic cylinder (9) is fixedly connected to a support base (91); the support base (91) is fixedly connected with the first support frame (2) on the upper end face; and the first support frame (2) is slidingly connected to a guide sliding rail (92) on the bottom.
4. The injection mold for processing a composite eccentric sleeve according to claim 1, characterized in that, The disassembly assembly (5) comprises an upper die box (50), a die body (51) and a bottom plate (52); the upper die box (50) is fixedly arranged on the outer wall of the upper die holder (4); the die body (51) and the bottom plate (52) are fixedly connected; and the outer wall of the bottom plate (52) is symmetrically provided with two clamping plates (53).
5. The injection mold for processing a composite eccentric sleeve according to claim 4, characterized in that, Two clamping grooves (56) are symmetrically formed in the inner portion of the upper die box (50), the clamping plates (53) are connected in the clamping grooves (56), knobs (57) are arranged above and below the upper die box (50), the two knobs (57) are fixedly connected with threaded rods (58), the threaded rods (58) are threadedly connected in the inner portion of the upper die box (50) and connected to the clamping plates (53) at the extending ends.
6. The injection mold for processing a composite eccentric sleeve according to claim 5, characterized in that, Electric push rods (54) are fixedly arranged at four corners in the inner portion of the upper die box (50), and one end of the electric push rod (54) is connected to the outer wall of an extrusion plate (55).