A one-time forming two-color sole mold

Abstract

The utility model provides a one-time forming double-color sole mold, which belongs to the technical field of sole molds, and comprises an upper mold, a middle mold and a lower mold. The upper mold is rotatably connected with the lower mold by a hinge, and the middle mold is detachably arranged between the upper mold and the lower mold. The top of the middle mold is symmetrically provided with a preliminary forming mold cavity for one-time forming of the sole and the heel, and the top of the lower mold is symmetrically provided with a sole forming mold cavity for one-time forming of the heel and the sole wear-resistant block, and the preliminary forming mold cavity corresponds to the sole forming mold cavity. The sole is preliminarily formed by the temperature and pressure of a rubber vulcanizer, and then the middle mold is taken out and sent into the rubber vulcanizer again for processing, so that the wear-resistant heel block and the preliminarily formed sole are integrally formed, the cumbersomeness of the processing operation process is reduced, thereby improving the efficiency of sole production, and adding a support block with better wear resistance at the tail of the sole improves the wear resistance of the sole, thereby ensuring the quality of the sole.

Description

Technical Field

[0001] The utility model relates to the technical field of sole forming moulds, in particular to a one-time forming double-color sole mould. Background Art

[0002] The functions of the sole mainly include providing friction, cushioning and shock absorption, comfort design, and specific functionality such as wear resistance, non-slip, softness, etc. The sole can ensure the comfort of the wearing process. During the production process of the sole, the sole is produced according to the corresponding shape through the corresponding sole mold.

[0003] The related technology (publication number: CN220517323U) discloses a sole mold that can be opened quickly. The disclosed technical solution is as follows: the material is placed into the shoe edge mold, and is sealed and fixed by a movable plate and then heated to form. After completion, the movable plate is opened, and the bottom of the fixed plate is exposed by lifting the handle. The molded sole is moved out along the shoe edge mold by pushing the sole mold, thereby facilitating the removal of the sole. The method of removing the sole will not cause damage to the sole, and the removal method is simple and convenient.

[0004] In the above disclosed technical solution, it is found that the following problems exist in the related technology: in the process of mold forming of the sole, in order to improve the wear resistance of the heel part of the sole, a rubber material with better wear resistance is usually used in the heel part, and then the heel part and the sole are pressed again. However, this processing method increases the processing steps of sole forming, thereby affecting the efficiency. In this regard, we propose a new one-time molding two-color sole mold.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background technology section of this application, and therefore may include prior art information that does not constitute known to ordinary technicians in the field. Utility Model Content

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art or related technology. In order to solve the problem of sole processing in the prior art, the utility model provides a one-time molding two-color sole mold, which uses the sole and heel part molding cavity combined with a one-time molding mold to achieve the effect of improving the sole production efficiency. The specific technical solution is:

[0007] A one-time molding two-color sole mold comprises an upper mold, a middle mold and a lower mold, wherein the upper mold is rotatably connected to the lower mold via a hinge, the middle mold is detachably arranged between the upper mold and the lower mold, the top of the middle mold is symmetrically provided with a preliminary molding cavity for one-time molding of the sole and the heel, the top of the lower mold is symmetrically provided with a sole molding cavity for one-time molding of the heel and the sole wear-resistant block, and the preliminary molding cavity corresponds to the sole molding cavity.

[0008] In the above technical solution, the preliminary molding cavity includes a first sole cavity, a first heel cavity and a heel wear block cavity which are opened at the top of the middle mold and connected in sequence, and the groove depth of the first heel cavity is greater than that of the first sole cavity and the heel wear block cavity.

[0009] The sole molding cavity comprises a second sole cavity and a second heel cavity which are opened on the top of the lower mold and are connected in sequence, and the groove depth of the second heel cavity is greater than that of the second sole cavity.

[0010] The inner wall of the second heel mold cavity is provided with an inclined surface for limiting the wear-resistant block of the sole.

[0011] The inner wall of the upper mold is symmetrically provided with forming dies, and the side wall of the heel part of the forming die is evenly provided with convex molds.

[0012] A material running groove is opened in the circumferential direction of the top of the lower mold, and the material running groove is arranged on the outer circumference of the second sole mold cavity.

[0013] The inner wall of the upper mold is provided with a first positioning piece, the top of the middle mold is provided with a first positioning hole corresponding to the first positioning piece, the bottom of the middle mold is provided with a second positioning piece, and the top of the lower mold is provided with a second positioning hole corresponding to the second positioning piece.

[0014] The hinged part includes a connecting part, one end of which is rotatably arranged on the side wall of the lower mold, a through groove is opened on the surface of the connecting part adjacent to the other side, and a rotating shaft is arranged on the side wall of the upper mold adjacent to the edge, and the rotating shaft passes through the inner cavity of the through groove.

[0015] Handles are arranged on both sides of the middle mold.

[0016] The step difference at the connection between the first sole mold cavity and the first heel mold cavity is 5 mm.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the one-step forming two-color sole mold:

[0018] First, the rubber raw materials are respectively placed in the two first sole mold cavities of the middle mold, and the sole is initially formed by the temperature and pressure of the rubber vulcanizer. Then, the middle mold is taken out and sent into the rubber vulcanizer again for processing, so that the wear-resistant heel block and the initially formed sole are integrally formed, which reduces the tediousness of the processing operation process, thereby improving the efficiency of sole production, and adding a support block with better wear resistance to the tail of the sole improves the wear resistance of the sole, thereby ensuring the quality of the sole.

[0019] Second, an inclined surface is provided on the inner wall of the second heel mold cavity according to the shape of the sole wear-resistant block, and the processing process of the sole wear-resistant block is limited by the provided inclined surface to prevent the position of the sole wear-resistant block from shifting, thereby ensuring the quality of the sole molding process.

[0020] Third, the heel part of the sole after molding is formed by a convex mold to present multiple grooves, and the multiple grooves formed reduce the entire weight of the sole, making it lighter when worn.

[0021] Fourth, in the process of sending the sole mold into the rubber vulcanizer for molding, the excess material during the molding of the sole enters the material trough, thereby ensuring the quality of the sole.

[0022] Fifth, the positioning pieces and positioning holes arranged on the three moulds ensure the stability of the sole processing process, thereby ensuring the quality of the sole after molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of a one-step forming two-color sole mold of the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the upper mold and lower mold parts of the utility model;

[0025] Figure 3 The structure of the middle mold of the utility model is shown in FIG. Figure 1 ;

[0026] Figure 4 The structure of the middle mold of the utility model is shown in FIG. Figure 2 ;

[0027] Figure 5 Schematic diagram of the structure of the molded sole Figure 1 ;

[0028] Figure 6 Schematic diagram of the structure of the molded sole Figure 2 ;

[0029] in, Figures 1 to 6The correspondence between the figure numbers and the component names is: 1-upper mold, 2-middle mold, 3-lower mold, 4-handle, 5-molded sole, 6-sole grinding block, 7-connecting piece, 8-rotating shaft, 9-fixed shaft, 10-molding die, 11-second sole mold cavity, 12-inclined surface, 13-punch, 14-first positioning hole, 15-first positioning piece, 16-running trough, 17-second heel mold cavity, 18-second positioning hole, 19-first sole mold cavity, 20-heel wear-resistant block mold cavity, 22-second positioning piece, 23-first heel mold cavity, 24-groove, 25-through groove. DETAILED DESCRIPTION

[0030] 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 in 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.

[0031] The following is a combination of specific implementation cases and attached Figure 1-6 The present invention is further described below, but the present invention is not limited to these embodiments.

[0032] Example 1

[0033] A one-time molding two-color sole mold comprises an upper mold 1, a middle mold 2 and a lower mold 3, wherein the upper mold 1 is rotatably connected to the lower mold 3 via a hinge. The middle mold 2 is detachably arranged between the upper mold 1 and the lower mold 3. When the sole is molded, the middle mold 2 is snapped onto the lower mold 3, and then the upper mold 1 is rotated via the hinge to snap the upper mold 1 onto the middle mold 2. The top of the middle mold 2 is symmetrically provided with a preliminary molding cavity for molding the sole and the heel at one time. The top of the lower mold 3 is symmetrically provided with a sole molding cavity for molding the heel and the sole wear-resistant block at one time, and the preliminary molding cavity corresponds to the sole molding cavity.

[0034] After the molded sole 5 is taken out after processing, the molded sole 5 and the sole grinding block 6 are two colors. The colors can more clearly show that the wear-resistant part is provided at the heel, thereby ensuring the quality of the sole.

[0035] When the sole is formed, the rubber raw material is placed in the two first sole mold cavities 19 of the middle mold 2, so that the rubber raw material occupies the first sole mold cavity 19, the first heel mold cavity 23 and the heel wear-resistant block mold cavity 20. Then the middle mold 2 with the rubber raw material is placed on the upper surface of the lower mold 3. Then the upper mold 1 is rotated by the hinge, and the upper mold 1 is buckled on the upper surface of the middle mold 2, and then the entire sole mold is placed in the rubber vulcanizer. The sole is initially formed by the temperature and pressure of the rubber vulcanizer, and then the sole mold is taken out of the rubber vulcanizer as a whole.

[0036] Then the upper mold 1 is opened by the hinge, and the initially formed sole will adhere to the inner wall of the upper mold 1 due to the material and temperature. And due to the heel wear block cavity 20, the initially formed sole lacks a part of the support block at the heel tail. Then the wear block part for the heel tail is respectively placed in the two second heel mold cavities 17 of the lower mold 3, and is placed in contact with the inner wall of the heel tail of the second heel mold cavity 17.

[0037] Then, the upper mold 1 is rotated by the hinge, and the upper mold 1 is buckled on the upper surface of the lower mold 3, and then sent into the rubber vulcanizer for processing again, so that the wear-resistant heel block and the initially formed sole are integrally formed. After that, the upper mold 1 is opened, and the formed sole is taken out. The sole can be formed in one step, which reduces the cumbersomeness of the processing operation process, thereby improving the efficiency of the sole production. If a support block with better wear resistance is provided at the tail of the sole, the wear resistance of the sole is improved, thereby ensuring the quality of the sole.

[0038] Among them, the preliminary molding cavity includes a first sole cavity 19, a first heel cavity 23 and a heel wear block cavity 20 which are opened on the top of the middle mold 2 and are connected in sequence. And the groove depth of the first heel cavity 23 is greater than the first sole cavity 19 and the heel wear block cavity 20. Two first sole cavities 19 are symmetrically opened on the upper surface of the middle mold 2, and a first heel cavity 23 connected to the first sole cavity 19 is opened on the side adjacent to the first sole cavity 19 and close to the heel direction. The groove depth of the first heel cavity 23 is greater than the groove depth of the first sole cavity 19, and the depth of the first heel cavity 23 is set according to the thickness of the heel.

[0039] A heel wear block mold cavity 20 is provided adjacent to the first heel mold cavity 23 and on one side in the direction of the old gold heel, and is connected to the first heel mold cavity 23. The groove depth of the heel wear block mold cavity 20 is less than the groove depth of the first heel mold cavity 23, and the groove depth difference between the first heel mold cavity 23 and the heel wear block mold cavity 20 corresponds to the wear block at the tail of the heel.

[0040] It is worth noting that the sole molding cavity includes a second sole cavity 11 and a second heel cavity 17 which are opened on the top of the lower mold 3 and are connected in sequence, and the groove depth of the second heel cavity 17 is greater than that of the second sole cavity 11. Two second sole cavities 11 identical to the first sole cavity 19 are symmetrically opened on the upper surface of the lower mold 3. A second heel cavity 17 connected to the second sole cavity 11 is opened on one side adjacent to the second sole cavity 11 and close to the heel direction. The groove depth of the second heel cavity 17 is the same as the depth of the first heel cavity 23.

[0041] In addition, the inner wall of the second heel mold cavity 17 is provided with an inclined surface 12 for limiting the sole wear-resistant block. The inclined surface 12 is provided on the inner wall of the second heel mold cavity 17 according to the shape of the sole wear-resistant block, and the sole wear-resistant block is clamped at the tail through the angle formed by the inclined surface 12 and the second heel mold cavity 17. In order to distinguish the sole wear-resistant block from the sole, the sole wear-resistant block and the sole are made of rubber materials of different colors, and the wear resistance of the sole wear-resistant block is greater than that of the sole. The processing process of the sole wear-resistant block is limited by the set inclined surface to prevent the position of the sole wear-resistant block from shifting, thereby ensuring the quality of the sole molding process.

[0042] In addition, the inner wall of the upper mold 1 is symmetrically provided with a molding die 10, and the side wall of the heel part of the molding die 10 is evenly provided with a convex mold 13. The convex mold 13 makes the heel part of the molded sole present a plurality of grooves 24, and the plurality of grooves 24 formed reduce the weight of the sole, making it lighter when worn.

[0043] Furthermore, a material run-off groove 16 is provided in the circumferential direction of the top of the lower mold 3, and the material run-off groove 16 is arranged at the periphery of the second sole mold cavity 11. A material run-off groove 16 is provided around the periphery of the mold cavity formed by the second sole mold cavity 11 and the second heel mold cavity 17 and along the shape of the sole. In the process of feeding the sole mold into the rubber vulcanizer for molding, the excess material during the molding of the sole enters the material run-off groove 16, thereby ensuring the quality of the sole.

[0044] The inner wall of the upper mold 1 is provided with a first positioning member 15. The top of the middle mold 2 is provided with a first positioning hole 14 corresponding to the first positioning member 15, and the bottom of the middle mold 2 is provided with a second positioning member 22. The top of the lower mold 3 is provided with a second positioning hole 18 corresponding to the second positioning member 22. When the middle mold 2 is installed between the upper mold 1 and the lower mold 3, the second positioning member 22 at the bottom of the middle mold 2 is aligned with the second positioning hole 18 on the lower mold 3. Then the middle mold 2 is installed on the lower mold 3. Then the upper mold 1 is rotated, and the first positioning member 15 on the upper mold 1 is inserted into the inside of the first positioning hole 14. The stability of the upper mold 1, the middle mold 2 and the lower mold 3 after being combined is guaranteed, thereby ensuring the stability of the molding process in the rubber vulcanizer, and then ensuring the processing quality of the sole.

[0045] The hinged part includes a connecting part 7, one end of which is rotatably arranged on the side wall of the lower mold 3, and a through slot 25 is provided on the surface of the connecting part 7 near the other side. A rotating shaft 8 is provided on the side wall near the edge of the upper mold 1, and the rotating shaft 8 passes through the inner cavity of the through slot 25. A through slot 25 passing through the inner cavity is provided at a position of the connecting part 7 near one of the edges, and the length of the through slot 25 extends to a position critical to the fixed shaft 9. The connecting part 7 is movably sleeved on the outside of the rotating shaft 8 through the through slot 25, and the rotating shaft 8 moves in contact with the inner wall of the through slot 25. Two rotating shafts 8 are respectively fixed vertically on both sides of the upper mold 1.

[0046] The two fixed shafts 9 are respectively fixed vertically on the positions near the edges of the two sides of the lower mold 3, and the connecting piece 7 is movably sleeved on the outside of the fixed shaft 9 through the mounting hole opened at the position near the edge of the other side. After the middle mold 2 is installed, the position of the upper mold 1 is adjusted through the through slot 25. Then the upper mold 1 is buckled on the middle mold 2. After the middle mold 2 is removed, the position of the upper mold 1 is adjusted again through the through slot 25 so that the upper mold 1 is tightly buckled on the lower mold 3. Through the two hinge points, the rotation range between the upper mold 1 and the lower mold 2 is wider, the upper mold 1 can be more flexibly fitted with the lower mold 3, and the middle mold 2 can also be installed more tightly.

[0047] Handles 4 are provided on both sides of the middle mold 2. The handles 4 on both sides are used to take the middle mold 2 during installation, so as to avoid burns caused by excessive temperature when taking it, thereby bringing convenience to the operation process of relevant personnel.

[0048] The molding die 10 corresponds to the first sole mold cavity 19 and the second sole mold cavity 11 , thereby ensuring the quality of the production and processing of the molded sole 5 .

[0049] The step difference at the junction of the first sole mold cavity 19 and the first heel mold cavity 23 is 5 mm. The step difference is set according to the height of the sole to ensure comfort during wearing.

[0050] A one-time molding two-color sole mold, the working principle of which is as follows: when the sole is molded, the rubber raw material is respectively placed in the two first sole mold cavities 19 of the middle mold 2, so that the rubber raw material occupies the inside of the first sole mold cavity 19, the first heel mold cavity 23 and the heel wear-resistant block mold cavity 20. Then the middle mold 2 with the rubber raw material is placed on the upper surface of the lower mold 3, and then the upper mold 1 is buckled on the upper surface of the middle mold 2, and then the whole sole mold is put into the interior of a rubber vulcanizer together, and the sole is preliminarily formed by the temperature and pressure of the rubber vulcanizer. Then the sole mold is taken out from the rubber vulcanizer as a whole. Then the upper mold 1 is opened, and the preliminarily formed sole at this time will adhere to the inner wall of the upper mold 1 due to the material and temperature, and due to the heel wear-resistant block mold cavity 20, the preliminarily formed sole lacks a part of the support block at the tail of the heel.

[0051] Then, the wear-resistant block parts for the heel tail are placed in the two second heel mold cavities 17 of the lower mold 3, and are placed against the inner wall of the heel tail of the second heel mold cavity 17. Then, the upper mold 1 is buckled on the upper surface of the lower mold 3. Then, it is sent to the rubber vulcanizer for processing again, so that the wear-resistant heel block and the initially formed sole are formed in one piece. Then, the upper mold 1 is opened and the formed sole is taken out.

[0052] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0053] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0054] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated 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 that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A one-step molding two-color sole mold, characterized by: The invention comprises an upper mold (1), a middle mold (2) and a lower mold (3), wherein the upper mold (1) and the lower mold (3) are rotatably connected via a hinge, and the middle mold (2) is detachably arranged between the upper mold (1) and the lower mold (3), and the top of the middle mold (2) is symmetrically provided with a preliminary molding cavity for molding the sole and the heel at one time, and the top of the lower mold (3) is symmetrically provided with a sole molding cavity for molding the heel and the sole wear-resistant block at one time, and the preliminary molding cavity corresponds to the sole molding cavity.

2. The one-step forming two-color sole mold according to claim 1, characterized in that: The preliminary molding cavity comprises a first sole cavity (19), a first heel cavity (23) and a heel wear-resistant block cavity (20) which are opened on the top of the middle mold (2) and are connected in sequence, and the groove depth of the first heel cavity (23) is greater than that of the first sole cavity (19) and the heel wear-resistant block cavity (20).

3. The one-step forming two-color sole mold according to claim 1, characterized in that: The sole molding cavity comprises a second sole cavity (11) and a second heel cavity (17) which are opened on the top of the lower mold (3) and are connected in sequence, and the groove depth of the second heel cavity (17) is greater than that of the second sole cavity (11).

4. The one-step forming two-color sole mold according to claim 3, characterized in that: The inner wall of the second heel mold cavity (17) is provided with an inclined surface (12) for limiting the wear-resistant block of the sole.

5. The one-step forming two-color sole mold according to claim 1, characterized in that: The inner wall of the upper mold (1) is symmetrically provided with a molding die (10), and the side wall of the heel portion of the molding die (10) is evenly provided with a convex die (13).

6. The one-step forming two-color sole mold according to claim 3, characterized in that: A material running groove (16) is provided in the circumferential direction of the top of the lower mold (3), and the material running groove (16) is arranged on the outer circumference of the second sole mold cavity (11).

7. The one-step forming two-color sole mold according to claim 1, characterized in that: The inner wall of the upper mold (1) is provided with a first positioning piece (15), the top of the middle mold (2) is provided with a first positioning hole (14) corresponding to the first positioning piece (15), the bottom of the middle mold (2) is provided with a second positioning piece (22), and the top of the lower mold (3) is provided with a second positioning hole (18) corresponding to the second positioning piece (22).

8. The one-step forming two-color sole mold according to claim 1, characterized in that: The hinged part comprises a connecting part (7), one end of which is rotatably arranged on the side wall of the lower mold (3), a through groove (25) is provided on the surface of the connecting part (7) adjacent to the other side, and a rotating shaft (8) is provided on the side wall of the upper mold (1) adjacent to the edge, and the rotating shaft (8) passes through the inner cavity of the through groove (25).

9. The one-step forming two-color sole mold according to claim 1, characterized in that: Handles (4) are provided on both sides of the middle mold (2).

10. The one-step forming two-color sole mold according to claim 2, characterized in that: The step difference between the first sole mold cavity (19) and the first heel mold cavity (23) at the junction is 5 mm.

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