Ejection demolding assembly of injection mold
By introducing a slider and angled ejector structure into the injection mold, the problem of product deformation during the demolding process of traditional molds is solved, thereby improving production efficiency and product qualification rate.
Patent Information
- Application Number
- CN202520242623.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Traditional injection molds can easily cause deformation of hexahedral products during demolding, increasing defect rates and production costs.
Design an ejection and demolding assembly for an injection mold, employing a slider demolding structure and an angled ejector demolding structure. The slider is slidably connected to the shovel base, and the angled ejector is slidably connected to the angled ejector seat. The V-shaped structure enables demolding of the inner surface and undercut of the product.
It improves the ease of demolding and the product qualification rate, and reduces production costs.
Smart Images
Figure CN223763685U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an ejection and demolding component for an injection mold. Background Technology
[0002] Injection molding is a method of shaping industrial products. A mold is a tool used to make shaped items. An injection mold is a tool for producing plastic products and also a tool for giving plastic products a complete structure and precise dimensions.
[0003] Injection molding is a processing method used to produce parts with complex shapes. Specifically, it involves injecting molten plastic into a mold cavity under high pressure through an injection tube. After cooling and solidification, a molded product is obtained. After injection molding, the molded product needs to be ejected from the mold. When producing hexahedral products using injection molds, the product is difficult to remove after injection molding due to the undercuts on each inner surface. If a traditional ejection structure is used, it can easily lead to product deformation, increasing the defect rate and further increasing production costs. Therefore, a special structure needs to be used in the mold design to solve this problem. Summary of the Invention
[0004] The purpose of this utility model is to provide an ejection and demolding component for injection molds, which has a reasonable structure and the advantages of reasonable design and convenient demolding, which is conducive to improving production efficiency and product qualification rate.
[0005] To achieve the above objectives, the technical solution of this utility model is to design an ejection and demolding assembly for an injection mold, including a slider demolding structure and an inclined ejector demolding structure;
[0006] The slider demolding structure includes a shovel base and two sliders. The left and right sides of the shovel base are inclined surfaces. The two sliders are respectively disposed on the left and right sides of the shovel base. The two sliders are slidably connected to the left and right sides of the shovel base, and the top of the two sliders are respectively provided with slider forming parts.
[0007] The inclined ejector demolding structure includes two inclined ejectors, which are respectively located on the front and rear sides of the shovel base. Each inclined ejector includes an inclined ejector seat and an inclined ejector rod. The bottom end of the inclined ejector rod is slidably connected to the top end of the inclined ejector seat, and the top end of the inclined ejector rod is provided with an inclined ejector forming part.
[0008] Preferably, the inclined top forming part has a V-shaped structure.
[0009] Preferably, the tops of the front and rear sides of the shovel base are guide surfaces, and the inclined top forming part is attached to the guide surfaces.
[0010] Preferably, guide rails are provided on the left and right sides of the shovel base, and guide grooves are provided on the slider to slide with the guide rails.
[0011] Preferably, the top of the inclined top seat is provided with a sliding groove, and the bottom of the inclined top rod is provided with a protrusion that slides in cooperation with the sliding groove.
[0012] The advantages and beneficial effects of this utility model are as follows: It provides an ejection and demolding component for injection molds, which has a reasonable structure, reasonable design and convenient demolding, which is conducive to improving production efficiency and product qualification rate. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the present invention. Figure 1 .
[0014] Figure 2 This is a schematic diagram of the present invention. Figure 2 .
[0015] Figure 3 This is a schematic diagram of the product in this utility model. Detailed Implementation
[0016] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.
[0017] The specific technical solution of this utility model is as follows:
[0018] like Figure 1 , Figure 2 and Figure 3 As shown, an ejection and demolding assembly for an injection mold includes a slider demolding structure and an inclined ejector demolding structure;
[0019] The slider demolding structure includes a shovel base 10 and two sliders 11. The left and right sides of the shovel base 10 are inclined surfaces 12. The two sliders 11 are respectively disposed on the left and right sides of the shovel base 10. The two sliders 11 are slidably connected to the left and right sides of the shovel base 10, and the top of the two sliders 11 are respectively provided with slider forming parts 13.
[0020] The inclined ejector demolding structure includes two inclined ejectors, which are respectively located on the front and rear sides of the shovel base 10. Each inclined ejector includes an inclined ejector seat 20 and an inclined ejector rod 21. The bottom end of the inclined ejector rod 21 is slidably connected to the top end of the inclined ejector seat 20, and the top end of the inclined ejector rod 21 is provided with an inclined ejector forming part 22.
[0021] Furthermore, the inclined top forming part 22 has a V-shaped structure.
[0022] Furthermore, the top of the front and rear sides of the shovel base 10 are guide surfaces 14, and the inclined top forming part 22 is attached to the guide surfaces 14.
[0023] Furthermore, guide rails 15 are provided on the left and right sides of the shovel base 10, and guide grooves 16 are provided on the slider 11 to slide in cooperation with the guide rails 15.
[0024] Furthermore, the top of the inclined top seat 20 is provided with a sliding groove 23, and the bottom of the inclined top rod 21 is provided with a protrusion 24 that slides in cooperation with the sliding groove 23.
[0025] The working principle of the ejection and demolding assembly of the injection mold of this utility model is as follows:
[0026] In use, a hexahedral product is injection molded using an injection mold. Both the slider demolding structure and the angled ejector demolding structure are located inside the molded product. Each slider forming part 13 is used to form one inner side of the product and its undercut. By setting the angled ejector forming part 22 to a V-shaped structure, each angled ejector forming part 22 is used to form two inner sides of the product and its undercut. After injection molding, the injection mold first drives the angled ejector, the product, and the two sliders 11 upwards by a set distance. The sliders 11, through a sliding connection with the shovel base 10, move the slider forming part 13 inwards and disengage from the undercut. After this, the angled ejector continues to move upwards by a set distance, causing the angled ejector rod 21, through a sliding connection with the angled ejector seat 20, to move the angled ejector forming part 22 inwards along the guide surface 14 and disengage from the undercut. Simultaneously, the angled ejector ejects the product, allowing it to be removed from the injection mold.
[0027] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. An ejection demolding assembly of an injection mold, characterized in that, The sliding block demoulding structure and the inclined top demoulding structure are included; The sliding block demoulding structure includes a shovel base and two sliding blocks, the left and right sides of the shovel base are respectively inclined surfaces, the two sliding blocks are respectively arranged on the left and right sides of the shovel base, the two sliding blocks are respectively in sliding connection with the left and right sides of the shovel base, and the top ends of the two sliding blocks are respectively provided with sliding block forming portions; The inclined top demoulding structure includes two inclined tops, the two inclined tops are respectively arranged on the front and back sides of the shovel base, each inclined top includes an inclined top base and an inclined top rod, the bottom end of the inclined top rod is in sliding connection with the top end of the inclined top base, and the top end of the inclined top rod is provided with an inclined top forming portion.
2. The ejection demolding assembly of an injection mold according to claim 1, characterized in that The inclined top forming portion is in V-shaped structure.
3. The ejection demolding assembly of an injection mold according to claim 1, characterized in that, The top portions of the front and back sides of the shovel base are respectively guide surfaces, and the inclined top forming portion is arranged in close contact with the guide surfaces.
4. The ejection demolding assembly of an injection mold according to claim 1, characterized in that, The left and right sides of the shovel base are respectively provided with guide rails, and the sliding blocks are respectively provided with guide grooves in sliding cooperation with the guide rails.
5. The ejection demolding assembly of an injection mold according to claim 1, characterized in that, The top end of the inclined top base is provided with a sliding groove, and the bottom end of the inclined top rod is provided with a protrusion in sliding cooperation with the sliding groove.