Mold structure convenient to demold
By designing a mold structure including mount and sliding rod, the problem of low demolding efficiency in the molding of multi-mode core rubber parts is solved, and rapid demolding and mold closing efficiency is improved.
Patent Information
- Application Number
- CN202420660522.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-01
AI Technical Summary
In plastic molding, the use of multiple die cores leads to low demolding efficiency and affects production efficiency.
A mold structure including a first mold, a mold frame and a second mold is designed. By providing a mounting seat and a sliding rod, the mold core can be quickly inserted and slidingly disengaged, and combined with a specific sliding track and positioning groove, ensuring the mold. Stability during mold opening and precise positioning during mold closing.
It achieves rapid mold release and improves mold clamping efficiency, and improves production efficiency.
Smart Images

Figure CN222328796U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a mold structure which is convenient for demoulding. Background Art
[0002] In the existing plastic part molding, multiple mold cores need to be arranged in the molding cavity so that multiple cavities are formed inside the molded plastic part, such as Fig.10 As shown, the molded plastic part 50 needs to have a first cavity 510, a second cavity 520, and a third cavity 530. Each corresponding cavity needs a mold core to cooperate with the molding, and when the number of mold cores increases, how to facilitate demolding of the plastic part after the mold is opened and how to improve the demolding efficiency become technical problems to be solved on the production side. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a mold structure that facilitates demoulding and improves demoulding efficiency.
[0004] A mold structure designed for easy demoulding according to this purpose comprises a first mold body, a mold frame and a second mold body, the mold frame is arranged between the first mold body and the second mold body, a first mold cavity is arranged on the first mold body, a second mold cavity is arranged on the second mold body, the first mold cavity and the second mold cavity are combined to form a molding mold cavity, characterized in that: the molding mold cavity is opened at both ends, a first mounting seat is arranged on the mold frame, a left inner mold core inserted from the left side into the molding mold cavity is arranged on the first mounting seat, a second mounting seat is slidably arranged on the mold frame on the right side of the molding mold cavity, a right inner mold core inserted from the left side into the molding mold cavity is arranged on the second mounting seat, a third mounting seat and a fourth mounting seat are slidably arranged on the mold frame between the first mounting seat and the molding mold cavity, respectively, an upper mold core inserted from the left side into the molding mold cavity is arranged on the third mounting seat, a lower mold core inserted from the left side into the molding mold cavity is arranged on the fourth mounting seat, and the upper mold core and the lower mold core are arranged on the upper and lower sides of the left inner mold core, respectively.
[0005] Preferably, the third mounting seat and the fourth mounting seat are arranged to overlap each other up and down, and sliding rods are respectively arranged on the first mounting seat at the front and back, and the third mounting seat and the fourth mounting seat are slidably arranged on the sliding rods left and right.
[0006] Preferably, the second mounting seat is provided with guide holes at the front and rear, respectively, the sliding rod is movably inserted into the guide holes, and the second mounting seat is slidably arranged left and right relative to the sliding rod.
[0007] Preferably, a mold cavity seat is provided on the upper end surface of the first mold body, and the first mold cavity is provided in the mold cavity seat;
[0008] The left and right sides of the mold cavity seat are respectively provided with a first positioning groove and a second positioning groove, the third mounting seat and the fourth mounting seat are embedded in the first positioning groove when the mold is closed, and the second mounting seat is embedded in the second positioning groove when the mold is closed.
[0009] Preferably, the first positioning slot and the second positioning slot are respectively provided with first positioning blocks on the left and right sides, and the lower end surface of the second mounting seat and the lower end surface of the fourth mounting seat are respectively provided with first positioning grooves on the left and right sides, and the first positioning blocks are plug-fitted with the first positioning grooves;
[0010] The upper end surface of the fourth mounting seat is provided with a second positioning groove, and the lower end surface of the third mounting seat is provided with a second positioning block plug-fitted with the second positioning groove.
[0011] Preferably, a through groove is provided between the third mounting seat and the fourth mounting seat, and the left inner mold core passes through the through groove and is inserted into the molding cavity.
[0012] When the utility model is opening the mold, the first mold body and the second mold body move in opposite directions respectively. When the two mold bodies are completed, the second mounting seat, the third mounting seat and the fourth mounting seat are manually driven to slide and move to the left or right respectively, so that the right inner mold core, the upper mold core and the lower mold core are quickly separated from the plastic part. Finally, the plastic part is manually pulled off from the left inner mold core to complete the demoulding. The utility model adopts a mounting seat with a sliding setting, which can not only realize rapid demoulding, but also the sliding setting has a specific sliding track, which can improve the mold closing efficiency in the subsequent mold closing process to improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0014] Figure 2 This is one of the schematic diagrams of the decomposed structure of the utility model;
[0015] Figure 3 This is the second schematic diagram of the decomposition structure of the utility model;
[0016] Figure 4 This is the third schematic diagram of the decomposition structure of the utility model;
[0017] Figure 5 It is a partial structural schematic diagram of the utility model;
[0018] Figure 6 It is a structural schematic diagram of the first mold body in the utility model;
[0019] Figure 7 It is a schematic diagram of the cross-sectional structure of the mold in a mold-closing state;
[0020] Figure 8 It is a schematic diagram of the combined state of the left inner mold core and the right inner mold core;
[0021] Fig. 9 It is a schematic diagram of the combined state of the upper mold core and the lower mold core;
[0022] Fig.10 It is a schematic diagram of the structure of the rubber part. DETAILED DESCRIPTION
[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0024] See also Figure 1-Figure 9 A mold structure for convenient demoulding includes a first mold body 10, a mold frame 20 and a second mold body 30, wherein the mold frame 20 is arranged between the first mold body 10 and the second mold body 30, a first mold cavity 110 is arranged on the first mold body 10, a second mold cavity 310 is arranged on the second mold body 30, the first mold cavity 110 and the second mold cavity 310 are combined to form a molding mold cavity 50, characterized in that: the left and right ends of the molding mold cavity 50 are opened, the mold frame 20 is provided with a first mounting seat 220, the first mounting seat 220 is provided with a left inner mold core 221 inserted from the left side into the molding mold cavity 50, and the molding mold cavity 50 is provided with a mold frame 20. A second mounting seat 250 is slidably provided on the mold frame 20 on the right side, and a right inner mold core 251 is provided on the second mounting seat 250 and inserted into the molding cavity 50 from the left side. A third mounting seat 230 and a fourth mounting seat 240 are slidably provided on the mold frame 20 between the first mounting seat 220 and the molding cavity 50, respectively. An upper mold core 231 is provided on the third mounting seat 230 and inserted into the molding cavity 50 from the left side. A lower mold core 241 is provided on the fourth mounting seat 240 and inserted into the molding cavity 50 from the left side. The upper mold core 231 and the lower mold core 241 are respectively provided on the upper and lower sides of the left inner mold core 221.
[0025] When the mold is opened, the first mold body and the second mold body are driven by external force to move in opposite directions. When the two mold bodies are opened, the second mounting seat is first driven to move to the right to separate the right inner mold core from the plastic part, and then the third mounting seat and the fourth mounting seat with sliding arrangement are driven to move to the left to separate the upper mold core and the lower mold core from the plastic part quickly. Finally, the plastic part is manually pulled off from the left inner mold core to complete demoulding. The utility model adopts a mounting seat with sliding arrangement, which can not only realize rapid demoulding, but also has a specific sliding track, which can improve the mold closing efficiency in the subsequent mold closing process to improve production efficiency.
[0026] See also Figure 3The third mounting seat 230 and the fourth mounting seat 240 are arranged to overlap each other up and down, and sliding rods 210 are respectively arranged on the front and back of the first mounting seat 220, and the third mounting seat 230 and the fourth mounting seat 240 are slidably arranged on the sliding rods 210 left and right.
[0027] See also Figure 3 The second mounting seat 250 is provided with guide holes 252 at the front and rear, respectively. The sliding rod 210 is movably inserted into the guide holes 252 . The second mounting seat 250 is slidably arranged left and right relative to the sliding rod 210 .
[0028] In the present invention, the second mounting seat 250 , the third mounting seat 230 and the fourth mounting seat 240 all slide along the sliding rod 210 , and the sliding rod 210 can ensure the sliding stability of the three.
[0029] See also Figure 3 and Figure 5 The upper end surface of the first mold body 10 is provided with a mold cavity seat 100, and the first mold cavity 110 is arranged in the mold cavity seat 100;
[0030] The left and right sides of the mold cavity seat 100 are respectively provided with a first positioning groove 112 and a second positioning groove 111. The third mounting seat 230 and the fourth mounting seat 240 are embedded in the first positioning groove 112 when the mold is closed, and the second mounting seat 250 is embedded in the second positioning groove 111 when the mold is closed.
[0031] The function of the first positioning groove 112 and the second positioning groove 111 is to enable the third mounting seat 230 and the fourth mounting seat 240 to be accurately positioned and installed in the first positioning groove 112 during mold closing, and the second mounting seat 250 to be accurately positioned and installed in the second positioning groove 111, so as to avoid deviation in the position of the mounting seat and affect the molding quality.
[0032] See also Figure 3 and Fig. 9 The first positioning groove 112 and the second positioning groove 111 are respectively provided with first positioning blocks 113 on the left and right sides, and the lower end surface of the second mounting seat 250 and the lower end surface of the fourth mounting seat 240 are respectively provided with first positioning grooves 270 on the left and right sides, and the first positioning blocks 113 are plugged and matched with the first positioning grooves 270;
[0033] The upper end surface of the fourth mounting seat 240 is provided with a second positioning groove 242 , and the lower end surface of the third mounting seat 230 is provided with a second positioning block 232 plug-fitted with the second positioning groove 242 .
[0034] See also Fig. 9A through slot 260 is provided between the third mounting seat 230 and the fourth mounting seat 240 , and the left inner mold core 221 passes through the through slot 260 and is inserted into the molding cavity 50 .
[0035] See also Figure 8 In the present invention, the left inner mold core 221 and the right inner mold core 251 are plugged and assembled into a whole.
[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A mold structure for convenient demoulding, comprising a first mold body (10), a mold frame (20) and a second mold body (30), wherein the mold frame (20) is arranged between the first mold body (10) and the second mold body (30), a first mold cavity (110) is arranged on the first mold body (10), and a second mold cavity (310) is arranged on the second mold body (30), and the first mold cavity (110) and the second mold cavity (310) are combined to form a molding mold cavity (50), characterized in that: The left and right ends of the molding cavity (50) are open, the mold frame (20) is provided with a first mounting seat (220), the first mounting seat (220) is provided with a left inner mold core (221) inserted from the left side into the molding cavity (50), the mold frame (20) on the right side of the molding cavity (50) is slidably provided with a second mounting seat (250), the second mounting seat (250) is provided with a right inner mold core (251) inserted from the left side into the molding cavity (50), and the first mounting seat (220) is provided with a plurality of inner mold cores (221) inserted from the left side into the molding cavity (50). ) and the molding cavity (50), respectively, are slidably provided with a third mounting seat (230) and a fourth mounting seat (240), the third mounting seat (230) is provided with an upper mold core (231) inserted from the left side into the molding cavity (50), the fourth mounting seat (240) is provided with a lower mold core (241) inserted from the left side into the molding cavity (50), the upper mold core (231) and the lower mold core (241) are respectively provided on the upper and lower sides of the left inner mold core (221).
2. A mold structure for easy demoulding according to claim 1, characterized in that: The third mounting seat (230) and the fourth mounting seat (240) are arranged to overlap each other up and down, and sliding rods (210) are respectively arranged on the front and back of the first mounting seat (220), and the third mounting seat (230) and the fourth mounting seat (240) are slidably arranged on the sliding rods (210) left and right.
3. A mold structure for easy demoulding according to claim 2, characterized in that: The second mounting seat (250) is provided with guide holes (252) at the front and rear, respectively. The sliding rod (210) is movably inserted into the guide holes (252). The second mounting seat (250) is slidably arranged leftward and rightward relative to the sliding rod (210).
4. A mold structure for easy demoulding according to claim 2 or 3, characterized in that: The upper end surface of the first mold body (10) is provided with a mold cavity seat (100), and the first mold cavity (110) is arranged in the mold cavity seat (100); A first positioning groove (112) and a second positioning groove (111) are respectively provided on the left and right sides of the mold cavity seat (100); the third mounting seat (230) and the fourth mounting seat (240) are embedded in the first positioning groove (112) when the mold is closed; and the second mounting seat (250) is embedded in the second positioning groove (111) when the mold is closed.
5. A mold structure for easy demoulding according to claim 4, characterized in that: The first positioning groove (112) and the second positioning groove (111) are respectively provided with first positioning blocks (113) on the left and right sides, and the lower end surface of the second mounting seat (250) and the lower end surface of the fourth mounting seat (240) are respectively provided with first positioning grooves (270) on the left and right sides, and the first positioning blocks (113) are plug-fitted with the first positioning grooves (270); The upper end surface of the fourth mounting seat (240) is provided with a second positioning groove (242), and the lower end surface of the third mounting seat (230) is provided with a second positioning block (232) plug-fitted with the second positioning groove (242).
6. A mold structure for easy demoulding according to claim 4, characterized in that: A through slot (260) is provided between the third mounting seat (230) and the fourth mounting seat (240), and the left inner mold core (221) passes through the through slot (260) and is inserted into the molding cavity (50).