Secondary demolding mechanism for sliding block and injection molding device
Through the slider secondary mold release mechanism, the thimble movement is driven by the cooperation of the wedge block and the mold release mechanism, the fracture problem during the product molding process during injection molding is solved, and rapid and safe mold release is achieved, and product yield is improved.
Patent Information
- Application Number
- CN202422552204.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-22
AI Technical Summary
In the existing injection molding process, the product is easily pulled and deformed during the demolding process, resulting in high defect rate.
The slider secondary mold release mechanism is adopted, and the thimble movement is driven to achieve multiple mold releases of the product through the cooperation of the wedge block and the mold release mechanism, and the product is removed from breakage.
It achieves rapid and safe mold release of the product, reduces the defect rate, and improves the yield rate of the product.
Smart Images

Figure CN223290246U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of glue injection machines, and particularly relates to a slider secondary demoulding mechanism and an injection molding device. Background Art
[0002] Injection molding is a common method in modern manufacturing. Due to its wide range of applications, it is widely used in the processing and molding of various materials. The most important part of the injection molding process is the demoulding process. The demoulding process is the process of cooling the material after high-temperature processing. Therefore, the quality of this demoulding process directly affects the yield rate of the product.
[0003] In the existing technology, direct mold opening is generally used for core pulling and demoulding, which easily causes the glue of the product to break, deform, and have a high defect rate. Therefore, we have introduced a slider secondary demoulding mechanism and injection molding device to solve the above problems. Utility Model Content
[0004] In response to one or more of the above-mentioned defects or improvement needs of the prior art, the present invention provides a slider secondary demoulding mechanism and an injection molding device, which realizes multiple demoulding processes of the product through secondary demoulding to prevent the product from breaking during the demoulding process.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a slider secondary demoulding mechanism, which includes a wedge block and a demoulding mechanism;
[0006] The inclined surface of the wedge block matches the inclined surface of the demoulding mechanism, and an inclined groove is provided on the inclined surface of the wedge block. The wedge block can slide relative to the demoulding mechanism, and an injection molding structure is also provided in the wedge block.
[0007] The demoulding mechanism includes a shell, a cavity is formed in the shell, and a movable block is arranged in the cavity along the horizontal direction. One end of the movable block is connected to a rod, and the end of the rod away from the movable block protrudes from the demoulding mechanism and abuts against the inclined surface on the wedge block.
[0008] A mating piece is also provided in the cavity, and the mating piece matches the movable block and is connected to the cavity in a transverse sliding manner. A spring is also provided on one side of the mating piece, and one side of the spring abuts against the inner wall of the cavity. A ejector pin is also provided on one side of the mating piece, and the other end of the ejector pin passes through the demoulding mechanism and is used to eject the workpiece in the forming mold set at the end of the demoulding mechanism.
[0009] As a further improvement of the present invention, a through groove is opened in the wedge-shaped block along the transverse direction, and the injection molding structure is located in the through groove, with one end thereof extending into the demoulding mechanism.
[0010] As a further improvement of the present invention, the demoulding mechanism includes an assembly block, and a glue injection tube is provided in the assembly block, one end of the glue injection tube is connected to a connecting tube, one end of the connecting tube is connected to a feed pipe, and the connecting tube and the feed pipe are located in the shell; and
[0011] One end of the feeding pipe extends into the forming mold.
[0012] As a further improvement of the present invention, the inclined slot includes a first inclined portion and a second vertical portion connected thereto.
[0013] As a further improvement of the present invention, the height of the through groove is the same as the height of the inclined groove.
[0014] As a further improvement of the present invention, there are two matching pieces and two springs, and the two matching pieces are arranged at intervals on both sides of the movable block along the longitudinal direction.
[0015] As a further improvement of the present invention, an oblique brace is further provided in the shell.
[0016] As a further improvement of the present invention, one end of the movable block is movably connected to the feed pipe through a connecting piece.
[0017] On this basis, the utility model also provides an injection molding device, which includes the above-mentioned secondary demoulding mechanism;
[0018] It also includes a raw material injection machine and a molding die. The output port of the raw material injection machine is connected to the injection structure. The molding die is arranged on the other side of the demoulding mechanism. The discharge end of the injection structure is aligned with the molding die.
[0019] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.
[0020] In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
[0021] The slider secondary demoulding mechanism and injection molding device of the utility model are arranged in a coordinated manner with the wedge block and the demoulding mechanism, so that the wedge block can synchronously drive the demoulding mechanism to move when it moves, thereby driving the ejector pin to move, and then the ejector pin pushes the product in the molding mold to perform the demoulding operation, thereby realizing the rapid demoulding operation of the molding mold and the product, and has good use value and application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the slider secondary demoulding mechanism and the injection molding device in the embodiment of the utility model;
[0023] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the slider secondary demoulding mechanism and the injection molding device in the embodiment of the utility model;
[0024] In all the drawings, the same reference numerals represent the same technical features, specifically:
[0025] 100, wedge block; 101, through slot; 102, inclined slot; 103, assembly block; 104, injection tube; 105, connecting tube; 106, feed tube;
[0026] 200, demoulding mechanism; 201, diagonal support; 202, cavity; 203, connecting rod; 204, movable block; 205, connecting part; 206, matching part; 207, spring; 208, ejector pin; 300, forming mold. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
[0028] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0029] See also Figure 1 and Figure 2 The slider secondary demoulding mechanism in the preferred embodiment of the utility model is arranged in coordination with the wedge block and the demoulding mechanism, so that the wedge block can synchronously drive the demoulding mechanism to move when it moves, thereby driving the ejector pin to move, and then the ejector pin pushes the product in the molding mold to perform the demoulding operation, thereby realizing the rapid demoulding operation of the molding mold and the product.
[0030] Specifically, the secondary demoulding mechanism in the preferred embodiment of the present invention includes a wedge block 100 and a demoulding mechanism 200; the inclined surface of the wedge block 100 matches the inclined surface of the demoulding mechanism 200, and an inclined groove 102 is provided on the inclined surface of the wedge block 100, and the wedge block 100 can slide relative to the demoulding mechanism 200, and an injection molding structure is also provided in the wedge block 100; the demoulding mechanism 200 includes a shell, a cavity 202 is provided in the shell, and a movable block 204 is provided in the cavity 202 along the horizontal direction, and a connecting rod 203 at one end of the movable block 204 is connected to the connecting rod 203, and the connecting rod 203 is away from the movable block 204. One end of the movable block 204 protrudes from the demoulding mechanism 200 and abuts against the inclined surface on the wedge block 100; and a matching piece 206 is also provided in the cavity 202, and the matching piece 206 matches the movable block 204, and is connected to the cavity 202 along the transverse sliding direction, and a spring 207 is also provided on one side of the matching piece 206, and one side of the spring 207 abuts against the inner wall of the cavity 202, and a ejector pin 208 is also provided on one side of the matching piece 206, and the other end of the ejector pin 208 passes through the demoulding mechanism 200, and is used to eject the workpiece in the forming mold 300 set at the end of the demoulding mechanism 200.
[0031] Furthermore, a through groove 101 is preferably opened in the wedge block 100 along the transverse direction, and the injection structure is located in the through groove 101 , with one end thereof extending into the demoulding mechanism 200 .
[0032] In more detail, the demolding mechanism 200 in the preferred embodiment of the present invention includes an assembly block 103, and a glue injection tube 104 is arranged in the assembly block 103, one end of the glue injection tube 104 is connected to a connecting tube 105, one end of the connecting tube 105 is connected to a feed pipe 106, the connecting tube 105 and the feed pipe 106 are located in the shell; and one end of the feed pipe 106 extends into the molding mold 300.
[0033] Furthermore, the inclined slot 102 in the preferred embodiment of the present invention further includes a first inclined portion and a second vertical portion connected thereto.
[0034] In actual use, the wedge block 100 will change its position relative to the injection molding structure when it moves. Therefore, it is preferred that the height of the through groove 101 is the same as the height of the inclined groove 102.
[0035] Furthermore, if Figure 2 As shown in FIG, preferably, there are two fitting members 206 and two springs 207 , and the two fitting members 206 are arranged at intervals on both sides of the movable block 204 along the longitudinal direction.
[0036] In addition, in the preferred embodiment of the present invention, a diagonal support 201 is provided in the housing. One end of the movable block 204 is movably connected to the feed pipe 106 through a connecting piece 205.
[0037] On this basis, the utility model also provides an injection molding device, which includes the above-mentioned secondary demolding mechanism 200; it also includes a raw material injection machine and a molding mold 300, the output port of the raw material injection molding machine is connected to the injection molding structure, and the molding mold 300 is arranged on the other side of the demolding mechanism 200, and the discharge end of the injection molding structure is aligned with the molding mold 300.
[0038] The slider secondary demoulding mechanism and injection molding device of the utility model are arranged in a coordinated manner with the wedge block and the demoulding mechanism, so that the wedge block can synchronously drive the demoulding mechanism to move when it moves, thereby driving the ejector pin to move, and then the ejector pin pushes the product in the molding mold to perform the demoulding operation, thereby realizing the rapid demoulding operation of the molding mold and the product, and has good use value and application prospects.
[0039] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.
Claims
1. A slider secondary demoulding mechanism, characterized in that: It includes a wedge block (100) and a demoulding mechanism (200); The inclined surface of the wedge block (100) matches the inclined surface of the demoulding mechanism (200), and an inclined groove (102) is provided on the inclined surface of the wedge block (100). The wedge block (100) can slide relative to the demoulding mechanism (200), and an injection molding structure is also provided in the wedge block (100); The demoulding mechanism (200) includes a shell, a cavity (202) is provided in the shell, and a movable block (204) is arranged in the cavity (202) along the horizontal direction, one end of the movable block (204) is connected to a connecting rod (203), and one end of the connecting rod (203) away from the movable block (204) protrudes from the demoulding mechanism (200) and abuts against the inclined surface on the wedge block (100); A matching piece (206) is also provided in the cavity (202), and the matching piece (206) matches the movable block (204) and is connected to the cavity (202) in a transverse sliding manner. A spring (207) is also provided on one side of the matching piece (206), and one side of the spring (207) abuts against the inner wall of the cavity (202). A ejector pin (208) is also provided on one side of the matching piece (206), and the other end of the ejector pin (208) passes through the demoulding mechanism (200) and is used to eject a workpiece in the molding die (300) provided at the end of the demoulding mechanism (200).
2. The slider secondary demoulding mechanism according to claim 1, characterized in that: A through groove (101) is provided in the wedge-shaped block (100) along the transverse direction. The injection molding structure is located in the through groove (101), and one end of the injection molding structure extends into the demoulding mechanism (200).
3. The slider secondary demoulding mechanism according to claim 1, characterized in that: The demoulding mechanism (200) comprises an assembly block (103), and a glue injection tube (104) is provided in the assembly block (103), one end of the glue injection tube (104) is connected to a connecting tube (105), one end of the connecting tube (105) is connected to a feed tube (106), and the connecting tube (105) and the feed tube (106) are located in the housing; and One end of the feed pipe (106) extends into the forming mold (300).
4. The slider secondary demoulding mechanism according to claim 2, characterized in that: The inclined slot (102) comprises a first inclined portion and a second vertical portion connected thereto.
5. The slider secondary demoulding mechanism according to claim 4, characterized in that: The height of the through groove (101) is the same as the height of the inclined groove (102).
6. The slider secondary demoulding mechanism according to any one of claims 1 to 5, characterized in that: There are two matching pieces (206) and two springs (207), and the two matching pieces (206) are arranged at intervals along the longitudinal direction on both sides of the movable block (204).
7. The slider secondary demoulding mechanism according to claim 6, characterized in that: A diagonal brace (201) is also provided in the shell.
8. The slider secondary demoulding mechanism according to claim 6, characterized in that: One end of the movable block (204) is movably connected to the feed pipe (106) through a connecting piece (205).
9. An injection molding device, characterized in that: It comprises the secondary demoulding mechanism according to any one of claims 1 to 8; It also includes a raw material injection machine and a molding die (300), wherein the output port of the raw material injection machine is connected to the injection structure, the molding die (300) is arranged on the other side of the demoulding mechanism (200), and the discharge end of the injection structure is aligned with the molding die (300).