Auxiliary blanking equipment for rubber injection mold

Abstract

The utility model relates to auxiliary blanking equipment for a rubber injection mold, which comprises a lower mold assembly and an upper mold assembly, the lower mold assembly comprises a lower mold and a bottom plate, a plurality of fixing frames are arranged on the surface of the bottom plate, the upper mold assembly comprises an upper mold, a connecting plate, a plurality of convex plates I and a plurality of convex plates II, convex rods are arranged on the convex plates I, and the convex rods are arranged on the convex plates II. A rubber pad is arranged on the surface of the second protruding plate, a plurality of hydraulic cylinders and a plurality of sliding plate pieces are arranged between the connecting plate and the fixing frame, the sliding plate pieces comprise a first sliding plate and a second sliding plate, a first protruding block is arranged on the surface of the first sliding plate, a through opening is formed in the first sliding plate in a penetrating mode, and a second protruding block is arranged on the surface of the second sliding plate. Through the structural design of the lower die assembly, the upper die assembly, the hydraulic cylinder, the sliding plate piece and the spring, and the first protruding plate, the second protruding plate, the rubber pad, the protruding rod and the protruding block are arranged on the upper die assembly and the lower die assembly correspondingly, the sliding plate piece located in the lower die assembly can move along with movement of the upper die assembly, and pretreatment of die sticking point positions is effectively achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding production, in particular to an auxiliary blanking device for a rubber injection mold. Background Art

[0002] A rubber injection mold refers to a mold that fills a mold cavity with a plasticizable rubber compound preformed into a simple shape and obtains a product with the required shape after pressure and heat vulcanization, and is commonly used in the production of rubber parts.

[0003] During the process of rubber injection molding, viscous components such as additives and vulcanizers are often incorporated into rubber products to increase the viscosity of the rubber products and improve their physical properties. However, after vulcanization treatment, the rubber parts in the mold often stick to the mold, and when blanking operations are carried out, it is difficult to take out the rubber parts in the mold. Therefore, it is necessary to design an auxiliary blanking device for a rubber injection mold to solve the above-mentioned problems. Summary of the Utility Model

[0004] Based on the above description, the utility model provides an auxiliary blanking device for a rubber injection mold to solve the problem that it is inconvenient to take out the rubber parts sticking to the mold.

[0005] The technical solution of the utility model for solving the above technical problems is as follows: An auxiliary blanking device for a rubber injection mold includes a lower mold assembly and an upper mold assembly. The lower mold assembly includes a lower mold and a bottom plate. A plurality of chutes are formed on the surface of the lower mold, and a plurality of fixing frames are arranged on the surface of the bottom plate. The upper mold assembly includes an upper mold, a connecting plate, a plurality of first convex plates and a plurality of second convex plates. A convex rod is provided on the first convex plate, and a rubber pad is arranged on the surface of the second convex plate. A plurality of hydraulic cylinders and a plurality of slide members are arranged between the connecting plate and the fixing frames. The slide members include a first slide plate and a second slide plate. Both the first slide plate and the second slide plate protrude into the chutes. A first convex block is arranged on the surface of the first slide plate and a through hole is formed therethrough. A second convex block is arranged on the surface of the second slide plate. A plurality of springs are arranged between the fixing frames and the slide members.

[0006] Based on the above technical solutions, the utility model can be further improved as follows.

[0007] Further, the convex rod is designed to be cylindrical, the first convex block is designed to be semi-cylindrical, and the surfaces of both the convex rod and the first convex block are smooth surfaces.

[0008] Further, a rotating rod is arranged at the end face of the convex rod, and the convex rod is rotatably connected to the first convex plate through the rotating rod.

[0009] Further, a support plate is arranged between one side of the first convex plate and the connecting plate.

[0010] Further, several of the support plates are respectively located between the inner sides of several first convex plates.

[0011] Further, a silica gel sleeve is sleeved on the outer side of the convex rod.

[0012] Further, a fixing rod is provided on the surface of the first slide plate, limiting rings are provided on the opposite surfaces of several fixing frames, the spring is located inside the limiting ring, the fixing rod is designed to be cylindrical, and the diameter of the fixing rod is adapted to the inner diameter of the spring.

[0013] Further, several limiting protrusions are provided on the surface of the first slide plate.

[0014] Further, the surface of the second slide plate is engraved with patterns.

[0015] Compared with the prior art, the technical solution of the present application has the following beneficial technical effects:

[0016] Through the structural design of the lower die assembly, the upper die assembly, the hydraulic cylinder, the slide plate member and the spring, and by respectively providing the first convex plate, the second convex plate, the rubber pad, the convex rod and the convex block on the upper and lower die assemblies, the slide plate member located in the lower die assembly can move along with the movement of the upper die assembly, effectively realizing the pre-treatment of the sticking die points before the rubber part is demolded, thus being more conducive to the subsequent removal of the rubber part in the lower die and being more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is a front structural schematic diagram of the present utility model;

[0019] Figure 3 is a front sectional structural schematic diagram of the present utility model;

[0020] Figure 4 is a three-dimensional structural schematic diagram of the slide plate member of the present utility model;

[0021] Figure 5 is the present utility model Figure 3 The enlarged structural schematic diagram at A in.

[0022] In the drawings, the list of components represented by each reference numeral is as follows:

[0023] 1. Lower die assembly; 11. Lower die; 112. Slide groove; 12. Bottom plate; 13. Fixed frame; 131. Limit ring; 2. Upper die assembly; 21. Upper die; 22. Connecting plate; 23. First convex plate; 24. Convex rod; 241. Rotating rod; 25. Second convex plate; 3. Slide plate part; 30. Fixed rod; 31. First slide plate; 311. Limit projection; 32. Second slide plate; 33. First convex block; 34. Through hole; 35. Second convex block; 4. Spring; 5. Support plate; 6. Silicone sleeve; 7. Rubber pad; 10. Hydraulic cylinder. Detailed implementation manners

[0024] To facilitate the understanding of the present application, the present application will be described more comprehensively below with reference to the relevant drawings. Embodiments of the present application are given in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the description of the present application in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0026] This embodiment provides an auxiliary blanking device for a rubber injection mold, which can pre-treat the sticking points of rubber parts to facilitate the subsequent blanking operation. Specifically, as Figures 1-5As shown, it includes a lower mold assembly 1, an upper mold assembly 2, two slide members 3 and a spring 4. The lower mold assembly 1 includes a lower mold 11 and a bottom plate 12. The lower mold 11 is provided with an injection groove and a cooling water circulation channel. The surface of the lower mold 11 is penetrated with two slide grooves 112 connected to the injection groove. The left and right sides of the top surface of the bottom plate 12 are provided with a fixing frame 13. The upper mold assembly 2 includes an upper mold 21, a connecting plate 22, two convex plates 23 and a plurality of convex plates 25. The upper mold 21 and the connecting plate 22 are connected to each other. A glue injection port is provided between the convex plate 1 23, a convex rod 24 is provided on the convex plate 1, a support plate 5 is provided between one side of the convex plate 1 23 and the connecting plate 22, and the two support plates 5 are respectively located between the inner sides of the two convex plates 1 23 to achieve the support and strengthening effect of the convex plate 1 23, the convex rod 24 is a cylindrical structure design, the surface of the convex plate 25 is provided with a rubber pad 7, a hydraulic cylinder 10 is provided between the connecting plate 22 and the two fixing frames 13, and the slide plate 3 includes a slide plate 1 31 and a slide plate 2 32, and the slide plate 1 31 and the slide plate 2 The second plate 32 protrudes into the slide groove 112, the slide plate 31 is located above the second slide plate 32 with a gap between them, the surface of the slide plate 31 is provided with a protrusion 33 and a through hole 34 is opened through it, the protrusion 33 is located below the protrusion rod 24, the protrusion 33 is a semi-cylindrical structure design, the surfaces of the protrusion rod 24 and the protrusion 33 are both set as smooth surfaces, so that the protrusion rod 24 can squeeze the protrusion 33 more smoothly, and the surface of the slide plate 32 is provided with a protrusion 25 protruding into the through hole 34, the diameter of the protrusion 25 is adapted to the through hole 34, the top surface of the protrusion 25 is in the same plane as the top surface of the slide plate 31, the front and back sides of the slide plate 32 are engraved with textures, and the two springs 4 are respectively arranged between the two fixing frames 13 and the two slide plate parts 3, so that the rubber parts after injection molding can effectively utilize the position movement of the slide plate part 3 to achieve the loosening effect, thereby making it more convenient for the staff to carry out the material unloading and taking operation on the rubber parts that have been pre-loosened in the later stage.

[0027] like Figures 1-3 As shown, in this embodiment, the end faces of the protruding rods 24 are provided with rotating rods 241, and the protruding rods 24 are rotatably connected to the protruding plate 23 through the rotating rods 241. The outer side of the protruding rods 24 is provided with a silicone sleeve 6, so that when the protruding rods 24 contact with the protruding blocks 33, the protruding rods 24 can be rotated to avoid the protruding rods 24 and the protruding blocks 33 from being seriously damaged by friction.

[0028] like Figures 1-4As shown, in this embodiment, the first slide plate 31 is designed in a "T" shape. A fixing rod 30 is provided on the surface of the first slide plate 31. Limiting rings 131 are provided at positions near the bottom on the opposite surfaces of the two fixing frames 13. The spring 4 is located inside the limiting ring 131 and sleeved outside the fixing rod 30. The fixing rod 30 is designed as a cylinder, and the diameter of the fixing rod 30 is adapted to the inner diameter of the spring 4, effectively realizing the limiting effect on the spring 4, making the position state of the spring 4 more stable and avoiding the situation of sliding displacement that affects normal use.

[0029] As Figure 1 , Figure 2 and Figure 4 As shown, limiting protrusions 311 are provided on both the front and back of the first slide plate 31 in this embodiment. One side of the multiple limiting protrusions 311 is in contact with the left and right sides of the lower mold 11 respectively, which can realize the position limitation between the first slide plate 31 and the lower mold 11 and avoid the situation that the positional relationship between the first slide plate 31 and the lower mold 11 is uncertain and affects the normal production of rubber parts.

[0030] During the use of the above rubber injection mold auxiliary blanking device, the staff can start the hydraulic cylinder 10 to make the upper mold assembly 2 move downward until the upper mold 21 closes with the lower mold 11. The convex rod 24 is located below the first convex block 33, and the rubber pad 7 provided on the surface of the second convex plate 25 is in close contact with the grooved surface of the second slide plate 32. Then, injection molding is carried out. When the rubber part is formed, the hydraulic cylinder 10 is started again to drive the upper mold assembly 2 to move upward. During the upward movement, the second slide plate 32 drives the second convex block 35 to move upward by the friction with the rubber pad 7, so that the second convex block 35 first jacks up the rubber part, realizing the loosening of the side and bottom parts of the rubber part. Subsequently, the convex rod 24 during the continuous upward movement squeezes the first convex block 33, making the first slide plate 31 and the second slide plate 32 move outward simultaneously. The spring 4 is compressed and contracted. Through the limitation of the lower mold 11 on the rubber part, the bottom surface of the rubber part is completely separated from the slide plate part 3, thus realizing the pre-loosening treatment of the rubber part, which is more conducive to the subsequent blanking operation.

[0031] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rubber injection mold auxiliary blanking device, characterized in that: It comprises a lower mold component (1) and an upper mold component (2); The lower mold assembly (1) comprises a lower mold (11) and a bottom plate (12); a plurality of slide grooves (112) are provided on the surface of the lower mold (11); and a plurality of fixing frames (13) are provided on the surface of the bottom plate (12); The upper mold assembly (2) comprises an upper mold (21), a connecting plate (22), a plurality of convex plates (23) and a plurality of convex plates (25), wherein the convex plate (23) is provided with a convex rod (24), the surface of the convex plate (25) is provided with a rubber pad (7), and a plurality of hydraulic cylinders (10) are provided between the connecting plate (22) and the fixing frame (13); A plurality of slide members (3), including a slide member 1 (31) and a slide member 2 (32), wherein the slide member 1 (31) and the slide member 2 (32) both protrude into the slide groove (112), a protrusion 1 (33) is provided on the surface of the slide member 1 (31) and a through opening (34) is formed through the surface, and a protrusion 2 (35) is provided on the surface of the slide member 2 (32); A plurality of springs (4) are arranged between the fixing frame (13) and the sliding plate member (3).

2. The rubber injection mold auxiliary blanking equipment according to claim 1, characterized in that: The convex rod (24) is cylindrical in design, the convex block (33) is semi-cylindrical in design, and the surfaces of the convex rod (24) and the convex block (33) are both smooth.

3. The rubber injection mold auxiliary blanking equipment according to claim 1, characterized in that: The end faces of the protruding rods (24) are each provided with a rotating rod (241), and the protruding rods (24) are rotatably connected to the protruding plate 1 (23) via the rotating rod (241).

4. The rubber injection mold auxiliary blanking equipment according to claim 1, characterized in that: A support plate (5) is provided between one side of the convex plate 1 (23) and the connecting plate (22).

5. The rubber injection mold auxiliary blanking equipment according to claim 4, characterized in that: The plurality of support plates (5) are respectively located between the inner sides of the plurality of convex plates (23).

6. The rubber injection mold auxiliary blanking equipment according to claim 1, characterized in that: The outer side of the protruding rod (24) is covered with a silicone sleeve (6).

7. The rubber injection mold auxiliary blanking equipment according to claim 1, characterized in that: A fixing rod (30) is provided on the surface of the slide plate (31), and a plurality of opposite surfaces of the fixing frames (13) are provided with limiting rings (131). The spring (4) is located inside the limiting ring (131). The fixing rod (30) is cylindrical in design, and the diameter of the fixing rod (30) is adapted to the inner diameter of the spring (4).

8. The rubber injection mold auxiliary blanking equipment according to claim 1, characterized in that: The surface of the slide plate 1 (31) is provided with a plurality of limiting protrusions (311).

9. The rubber injection mold auxiliary blanking equipment according to claim 1, characterized in that: The surface of the second slide plate (32) is engraved with patterns.

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