Double-inner-core injection mold

Abstract

The utility model discloses a double inner core injection mold, which relates to the technical field of inner core molds, and comprises a base, a lower pressing mold hinged with the base, and a top mold hinged with the lower pressing mold, the lower pressing mold is provided with an inner core through hole, and the inner side of the inner core through hole is provided with an inner core body abutted against the base. A first positioning sleeve is fixedly installed at the top of the inner core body, a second positioning sleeve is fixedly installed at the top of the lower pressing die, and a clamping groove used for avoiding the second positioning sleeve is formed in the outer side of the top die. According to the double-inner-core injection mold, when a shoe sole with a high and straight side wall is manufactured, a second positioning sleeve, a first fixing hole and a first positioning sleeve can be sequentially communicated and used for fixing a lower pressing block, an inner core body and a lower pressing mold through a plug pin, the inner core body which is taken out can be conveniently fixed, and the inner core body can be conveniently taken out by being matched with the second positioning sleeve; the pressing mold and the inner core body can be directly separated through a crowbar, and the inner core body can be conveniently and rapidly separated from the shoe sole after injection molding.

Description

Technical Field

[0001] The utility model relates to the technical field of inner core molds, in particular to a double inner core injection mold. Background Art

[0002] The sole mold is a mold required for making the sole of a shoe. However, due to the different types and sizes of shoes, the sole mold needs to be replaced when making soles of different types or sizes.

[0003] China Utility Model Patent Publication No.: CN 220331827 U, discloses: a sole mold that is easy to replace. The sole mold that is easy to replace, when stepping on the connecting plate, the connecting plate will push the slide to move upward, the slide will push the push plate to move, the push plate will push the sole mold out, so that the clamp plate no longer clamps the sole mold, and the sole mold can be easily taken out, further improving the convenience of replacing the sole mold. However, when making a sole with a high and straight side wall, the sole mold that is easy to replace is not easy to quickly open the mold, and it is not easy to quickly take out the sole after injection molding. Utility Model Content

[0004] The purpose of the utility model is to provide a double inner core injection mold, which can solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double inner core injection mold, comprising a base, a lower die hinged to the base, and a top mold hinged to the lower die, the lower die being provided with an inner core through hole, the inner side of the inner core through hole being provided with an inner core body resting against the base, a positioning sleeve 1 being fixedly installed on the top of the inner core body, a positioning sleeve 2 being fixedly installed on the top of the lower die, a slot for giving way to the positioning sleeve 2 being provided on the outer side of the top mold, a lower pressing block for pressing the inner core body being fixedly installed inside the top mold, a fixing hole 1 being provided on the inner side of the top mold, the positioning sleeve 2, the fixing hole 1 and the positioning sleeve 1 being connected in sequence and used to fix the lower pressing block, the inner core body and the lower die with pins.

[0006] Preferably, the inner side of the lower die is provided with a pattern, the top of the base is fixedly provided with a protrusion, the top of the base is fixedly provided with a positioning block, the top of the base is fixedly provided with a screw, the outer side of the lower die is provided with a positioning groove, the outer side of the lower die is provided with a groove, the protrusion and the groove match each other, and the positioning groove and the positioning block match each other.

[0007] Preferably, a positioning hole 1 is opened on the outer side of the lower die, a screw 2 is fixedly installed on the top of the base, a screw 3 is fixedly installed on the top of the inner core body, a positioning hole 3 is opened on the top of the lower die, the screw 1 is the same size as the positioning hole 3, and the screw 2 is adapted to the positioning hole 1.

[0008] Preferably, a plurality of bottom flower grooves are provided on the top of the base, a first handle is fixedly installed on the front side of the base, a third handle is fixedly installed on the outer side of the top mold, a fourth handle is fixedly installed on the bottom of the lower pressure mold, the inner kernel body and the bottom flower groove are adapted to each other, and the inner kernel body and the bottom flower groove are in one-to-one correspondence, a fixed sleeve 2 is fixedly installed on the outer side of the lower pressure mold, a rotating column 2 is rotatably installed on the outer side of the fixed sleeve 2, and the top mold is fixedly installed on the top of the rotating column 2.

[0009] Preferably, the positioning sleeve 1 and the positioning sleeve 2 are located on the same horizontal line, and the card slot is a "concave" shaped structure.

[0010] Preferably, a fixing sleeve is fixedly installed on the outer side of the base, a rotating column is rotatably installed on the outer side of the fixing sleeve, a side buckle is fixedly installed on the outer side of the lower pressing mold, a second handle is fixedly installed on the top of the inner core body, a groove two is provided on the outer side of the lower pressing block, a fixing hole two is provided on the outer side of the lower pressing block, the rotating column one and the side buckle are rotatably installed, a sliding groove is provided on the outer side of the side buckle, the fixing hole one is the same size as the positioning sleeve one, and the second handle protrudes into the groove two.

[0011] Preferably, a positioning hole two is opened on the top of the lower die, a fixing sleeve two is fixedly installed on the outer side of the lower die, a rotating column two is rotatably installed on the outer side of the fixing sleeve two, a screw four is fixedly installed on the bottom of the top die, the screw four is adapted to the positioning hole two, and the top die is hingedly mounted to the lower die through the rotating column two and the fixing sleeve two.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model adopts the design of the inner core through hole, and when manufacturing a sole with a high and straight side wall, the positioning sleeve two, the fixing hole one and the positioning sleeve one can be connected in sequence and used for fixing the lower pressing block, the inner core body and the lower pressing mold with a pin, which can facilitate the fixing of the taken out inner core body, and in combination with the positioning sleeve two, the lower pressing mold and the inner core body can be directly separated by a crowbar, which can facilitate the rapid separation of the inner core body and the injected sole after injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0015] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0016] Figure 3 This is a schematic diagram of the top mold flipping structure of the utility model;

[0017] Figure 4The utility model is a schematic diagram of the flip structure of the lower die box top die Figure 1 ;

[0018] Figure 5 The utility model is a schematic diagram of the flip structure of the lower die box top die Figure 2 .

[0019] Among them: 1. base; 2. bottom flower groove; 3. convex block; 4. first handle; 5. positioning block; 6. screw one; 7. screw two; 8. fixing sleeve one; 9. rotating column one; 10. side buckle; 11. lower pressure die; 12. positioning groove; 13. inner core through hole; 14. positioning hole one; 15. groove one; 16. pattern; 17. inner core body; 18. screw three; 19. second handle; 20. positioning sleeve one; 21. positioning sleeve two; 22. positioning hole two; 23. positioning hole three; 24. fixing sleeve two; 25. rotating column two; 26. top mold; 27. slot; 28. screw four; 29. ​​lower pressure block; 30. groove two; 31. fixing hole one; 32. fixing hole two; 33. third handle; 34. fourth handle; 35. slide groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-5 , a double inner core injection mold shown in the figure includes a base 1, a lower die 11 hinged to the base 1, and a top die 26 hinged to the lower die 11, the lower die 11 is provided with an inner core through hole 13, an inner core body 17 abutting against the base 1 is provided on the inner core through hole 13, a positioning sleeve 20 is fixedly installed on the top of the inner core body 17, a positioning sleeve 21 is fixedly installed on the top of the lower die 11, a slot 27 for giving way to the positioning sleeve 21 is provided on the outer side of the top die 26, a lower pressing block 29 for pressing the inner core body 17 is fixedly installed inside the top die 26, a fixing hole 31 is provided on the inner side of the top die 26, the positioning sleeve 21, the fixing hole 31 and the positioning sleeve 20 are connected in sequence and used to fix the lower pressing block 29, the inner core body 17 and the lower die 11 with a pin.

[0023] See also Figure 1-5In the figure, a pattern 16 is provided on the inner side of the lower die 11, a convex block 3 is fixedly installed on the top of the base 1, a positioning block 5 is fixedly installed on the top of the base 1, a screw 6 is fixedly installed on the top of the base 1, a positioning groove 12 is provided on the outer side of the lower die 11, a groove 15 is provided on the outer side of the lower die 11, the convex block 3 and the groove 15 are matched, and the positioning groove 12 and the positioning block 5 are matched.

[0024] In the present embodiment: by providing the protrusion 3, the positioning block 5, the positioning groove 12 and the positioning block 5, during the process of closing the mold between the lower die 11 and the base 1, the protrusion 3 can be inserted into the groove 15, and the positioning block 5 can be inserted into the positioning groove 12, which can play a role in rapid positioning and can prevent the lower die 11 from being easily displaced during the closing mold process, thereby affecting normal use.

[0025] Working principle: by setting the inner core body 17 and the bottom flower groove 2, during the processing, the raw material can be injected into the bottom flower groove 2, and then it can be pressed down. By setting the protrusion 3, the positioning block 5, the positioning groove 12 and the positioning block 5, during the process of the lower die 11 and the base 1 being molded together, the protrusion 3 can be inserted into the groove 15, and the positioning block 5 can be inserted into the positioning groove 12, which can play a role in rapid positioning, and can avoid the lower die 11 from being easily displaced during the mold closing process, affecting normal use. By setting the screw 1 6, the screw 2 7, the positioning hole 14 and the positioning hole 3 23, the screw 1 6 can be inserted into the positioning hole 3 23, and the screw 2 7 can be inserted into the positioning hole 3 23, which can further position the lower die 11 and the base 1, improve the stability after the mold closing, and avoid dislocation. By setting the positioning sleeve 1 20 and the positioning sleeve 2 21. When the processing is completed, the crowbar can be inserted from the second positioning sleeve 21, and then extended to the top of the second handle 19 to press down. At the same time, by picking up the third handle 33, the pressing mold 11 is rotated to facilitate the removal of the sole after injection molding, and to avoid direct contact with the inner core body 17, which may easily cause the inner core body 17 to have a high temperature and cause burns. Through the set fixing hole 1 31 and the positioning sleeve 1 20, after the use of the inner core body 17 is completed, the crowbar can be inserted from the fixing hole 1 31, so that the crowbar is inserted into the positioning sleeve 21, the fixing hole 1 31 and reaches the positioning sleeve 1 20 in turn, and the pressing mold 11, the inner core body 17 and the top mold 26 can be fixed. Through the set screw four 28 and the positioning hole two 22, the screw four 28 can be inserted into the positioning hole two 22 during the process of pressing the top mold 26, which can play a role in quickly positioning the top mold 26 and avoid dislocation.

[0026] Example 2

[0027] See also Figure 1-5The present embodiment further explains Example 1. In the figure, a positioning hole 14 is opened on the outer side of the lower die 11, a screw 2 7 is fixedly installed on the top of the base 1, a screw 3 18 is fixedly installed on the top of the inner core body 17, a positioning hole 3 23 is opened on the top of the lower die 11, the screw 1 6 is the same size as the positioning hole 3 23, and the screw 2 7 is adapted to the positioning hole 14.

[0028] In this embodiment: by setting screw one 6, screw two 7, positioning hole one 14 and positioning hole three 23, screw one 6 can be inserted into positioning hole three 23, and screw two 7 can be inserted into positioning hole three 23, which can further position the lower die 11 and the base 1, improve the stability after mold closing, and avoid dislocation.

[0029] See also Figure 1-5 In the figure, a plurality of bottom flower grooves 2 are provided on the top of the base 1, a first handle 4 is fixedly installed on the front side of the base 1, a third handle 33 is fixedly installed on the outside of the top mold 26, a fourth handle 34 is fixedly installed on the bottom of the lower pressing mold 11, the inner kernel body 17 is adapted to the bottom flower groove 2, and the inner kernel body 17 and the bottom flower groove 2 are in one-to-one correspondence, a fixed sleeve 24 is fixedly installed on the outside of the lower pressing mold 11, a rotating column 25 is rotatably installed on the outside of the fixed sleeve 24, and the top mold 26 is fixedly installed on the top of the rotating column 25.

[0030] In this embodiment: by setting the inner core body 17 and the bottom flower groove 2, during the processing, the raw materials can be injected into the bottom flower groove 2, and then pressed down to achieve normal work, which can effectively improve the overall processing efficiency and the overall production speed, and is easy to promote and use.

[0031] See also Figure 1-5 In the figure, the positioning sleeve 1 20 and the positioning sleeve 2 21 are located on the same horizontal line, and the card slot 27 is a "concave" shape structure.

[0032] In this embodiment: by setting the positioning sleeve 1 20 and the positioning sleeve 2 21, when the processing is completed, the crowbar can be inserted from the positioning sleeve 21, and then extended to the top of the second handle 19 to press down, and at the same time, by picking up the third handle 33, the pressing mold 11 is rotated to facilitate the removal of the sole after injection molding, and avoid direct contact with the inner core body 17, which may easily cause the inner core body 17 to have a high temperature and cause burns.

[0033] See also Figure 1-5In the figure, a fixing sleeve 8 is fixedly installed on the outer side of the base 1, a rotating column 9 is rotatably installed on the outer side of the fixing sleeve 8, a side buckle 10 is fixedly installed on the outer side of the lower pressing mold 11, a second handle 19 is fixedly installed on the top of the inner body 17, a groove 2 30 is opened on the outer side of the lower pressing block 29, a fixing hole 2 32 is opened on the outer side of the lower pressing block 29, the rotating column 9 and the side buckle 10 are rotatably installed, a sliding groove 35 is opened on the outer side of the side buckle 10, a fixing hole 31 is the same size as the positioning sleeve 20, and the second handle 19 protrudes into the groove 2 30.

[0034] In the present embodiment: by setting a fixing hole 31 and a positioning sleeve 20, after the inner core body 17 is used, a crowbar can be inserted from the fixing hole 31, so that the crowbar is sequentially inserted into the positioning sleeve 21, the fixing hole 31 and reaches the positioning sleeve 20, so as to fix the lower die 11, the inner core body 17 and the top die 26.

[0035] See also Figure 1-5 In the figure, a positioning hole 22 is opened at the top of the lower die 11, a fixing sleeve 24 is fixedly installed on the outer side of the lower die 11, a rotating column 25 is rotatably installed on the outer side of the fixing sleeve 24, and a screw 4 28 is fixedly installed at the bottom of the top die 26. The screw 4 28 is adapted to the positioning hole 22. The top die 26 is hingedly installed with the lower die 11 through the rotating column 25 and the fixing sleeve 24.

[0036] In this embodiment: by providing screw four 28 and positioning hole two 22, the screw four 28 can be inserted into the positioning hole two 22 during the process of pressing the top mold 26 down, which can play a role in quickly positioning the top mold 26 and avoid dislocation.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double inner core injection mold, characterized in that: The invention comprises a base (1), a lower pressing die (11) hingedly connected to the base (1), and a top die (26) hingedly connected to the lower pressing die (11), wherein the lower pressing die (11) is provided with an inner core through hole (13), an inner core body (17) abutting against the base (1) is provided inside the inner core through hole (13), a first positioning sleeve (20) is fixedly installed on the top of the inner core body (17), a second positioning sleeve (21) is fixedly installed on the top of the lower pressing die (11), and the top die (26) is fixedly installed on the top of the inner core body (17). The outer side of the mold (26) is provided with a slot (27) for giving way to the second positioning sleeve (21); a lower pressing block (29) for pressing the inner core body (17) is fixedly installed inside the top mold (26); a fixing hole (31) is provided inside the top mold (26); the second positioning sleeve (21), the fixing hole (31) and the first positioning sleeve (20) are connected in sequence and are used to fix the lower pressing block (29), the inner core body (17) and the lower pressing mold (11) with a pin.

2. A double inner core injection mold according to claim 1, characterized in that: The lower die (11) has a pattern (16) on its inner side, a convex block (3) is fixedly mounted on the top of the base (1), a positioning block (5) is fixedly mounted on the top of the base (1), a screw (6) is fixedly mounted on the top of the base (1), a positioning groove (12) is formed on the outer side of the lower die (11), a groove (15) is formed on the outer side of the lower die (11), the convex block (3) and the groove (15) are matched with each other, and the positioning groove (12) and the positioning block (5) are matched with each other.

3. A double inner core injection mold according to claim 2, characterized in that: A positioning hole 1 (14) is provided on the outer side of the lower pressing die (11), a screw 2 (7) is fixedly installed on the top of the base (1), a screw 3 (18) is fixedly installed on the top of the inner core body (17), a positioning hole 3 (23) is provided on the top of the lower pressing die (11), the screw 1 (6) is the same size as the positioning hole 3 (23), and the screw 2 (7) is compatible with the positioning hole 1 (14).

4. A double inner core injection mold according to claim 3, characterized in that: The top of the base (1) is provided with a plurality of bottom flower grooves (2); a first handle (4) is fixedly installed on the front side of the base (1); a third handle (33) is fixedly installed on the outside of the top mold (26); a fourth handle (34) is fixedly installed on the bottom of the lower pressing mold (11); the inner core body (17) and the bottom flower grooves (2) are matched, and the inner core body (17) and the bottom flower grooves (2) are in one-to-one correspondence; a second fixing sleeve (24) is fixedly installed on the outside of the second fixing sleeve (24); a second rotating column (25) is rotatably installed on the outside of the second rotating column (25); and the top mold (26) is fixedly installed on the top of the second rotating column (25).

5. A double inner core injection mold according to claim 4, characterized in that: The first positioning sleeve (20) and the second positioning sleeve (21) are located on the same horizontal line, and the clamping groove (27) is a "concave"-shaped structure.

6. A double inner core injection mold according to claim 5, characterized in that: A fixing sleeve (8) is fixedly mounted on the outer side of the base (1), a rotating column (9) is rotatably mounted on the outer side of the fixing sleeve (8), a side buckle (10) is fixedly mounted on the outer side of the lower pressing die (11), a second handle (19) is fixedly mounted on the top of the inner core body (17), a groove (30) is provided on the outer side of the lower pressing block (29), a fixing hole (32) is provided on the outer side of the lower pressing block (29), the rotating column (9) and the side buckle (10) are rotatably mounted, a sliding groove (35) is provided on the outer side of the side buckle (10), the fixing hole (31) is the same size as the positioning sleeve (20), and the second handle (19) protrudes into the groove (30).

7. A double inner core injection mold according to claim 6, characterized in that: The top of the lower die (11) is provided with a second positioning hole (22), and the bottom of the top die (26) is fixedly provided with a fourth screw (28), wherein the fourth screw (28) is matched with the second positioning hole (22), and the top die (26) is hingedly installed with the lower die (11) through a second rotating column (25) and a second fixing sleeve (24).

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