TWI637847B - Sole forming mold group and sole forming machine - Google Patents

Abstract

A sole forming mold set includes: a first fixing base, a first mold, a first positioning device, a second fixing base, a second mold, and a second positioning device, wherein the first mold is along a first A predetermined axis is detachably combined with the first fixing seat; the first positioning device cooperates with a first positioning hole to restrict the position of the first mold on the first predetermined axis; the third mold is along a second predetermined The axial direction is detachably combined with the second fixing seat; the second positioning device cooperates with a second positioning hole to restrict the position of the second mold in the second predetermined axial direction. The sole forming machine further includes a driving device for driving at least one of the first fixing base and the second fixing base to move along a third predetermined axial direction. This saves time for changing molds and has positioning effects.

Description

Sole forming mold group and sole forming machine

The present invention relates to shoe sole forming; in particular, it relates to a shoe sole forming die set and a shoe sole forming machine.

FIG. 1 shows a conventional shoe sole forming machine 1 including a first platform 10 and a second platform 12 that can be approached or separated by relative displacement, and a first mold 14 and a second mold 16. The first mold 14 is locked on the first platform 10 through a plurality of bolts (not shown), and the second mold 16 is locked on the second platform 12 through a plurality of bolts (not shown). Forming portions 142, 162, such as a mold cavity or a mold core, are respectively provided on the two facing surfaces of the two molds 16.

When molding the sole, the first platform 10 and the second platform 12 are driven close to each other, so that the first mold 14 and the second mold 16 abut, and the molding portions 142 and 162 of the two are corresponding. Then the molten material is injected between the two forming parts to form the sole.

If different soles are to be formed, the first mold 14 and the second mold 16 must be removed from the first platform 10 and the second platform 12 and replaced with another set of the first mold 14 and the second mold 16. However, the aforementioned molds 14,16 and the platforms 10,12 are locked by bolts. Therefore, when disassembling the mold, the personnel must remove the bolts one by one in order to remove the molds 14,16; At 14,16, the bolts must be locked one by one to fix the molds 14,16. As a result, a lot of time will be consumed in the process of replacing the molds 14, 16 and the productivity of the molded sole cannot be effectively improved.

In view of this, an object of the present invention is to provide a sole forming mold set and a sole forming machine, which can save the time of disassembling and installing the mold.

Another object of the present invention is to provide a sole forming mold group and a sole forming machine, which can restrict the position of the mold.

In order to achieve the above object, a sole forming mold set provided by the present invention is configured to be mounted on a sole forming machine, the sole forming machine includes a first platform and a second platform that can be moved relatively close to or away from each other; the sole The forming mold set includes: a first fixing base, a first mold, a first positioning device, a second fixing base, a second mold, and a second positioning device, wherein the first fixing base is fixed to the first fixing base; A first platform, the first fixing base has at least a first joint portion; the first mold has at least a second joint portion and a first molding portion, and the second joint portion of the first mold is along a first predetermined axis Is detachably coupled to the first joint portion with the first fixing base; the first molding portion is used to form a part of the sole; the first positioning device is disposed between the first fixing base and the first mold One of the first fixing seat and the first mold has a first positioning hole; the first positioning device has a first elastic portion and a first positioning portion, and the first mold is coupled to After the first fixing seat, The first elastic portion pushes against the first positioning portion, so that the first positioning portion projects into the first positioning hole to restrict the position of the first mold in the first predetermined axial direction; the second fixing seat is used for fixing On the second platform, the second fixing seat has at least a third joint portion; the second mold has a fourth joint portion and a second molding portion, and the fourth joint portion of the second mold is along a second predetermined portion. The third coupling part of the second fixing base is detachably combined with the second fixing part; the second molding part is used for molding another part of the sole; the second positioning device is provided between the second fixing base and the second mold One of them, and the other of the second fixing seat and the second mold has a second Positioning hole; the second positioning device has a second elastic portion and a second positioning portion, and after the second mold is coupled to the second fixing base, the second elastic portion pushes against the second positioning portion, so that the first Two positioning portions extend into the second positioning hole to limit the position of the second mold in the second predetermined axial direction.

A shoe sole forming machine provided by the present invention includes a first mold base, a first mold, a first positioning device, a second mold base, a second mold, a second positioning device, and a driving device. Among them, The first mold base has at least a first joint portion; the first mold has at least a second joint portion and a first molding portion; the second joint portion of the first mold is in a first predetermined axial direction with the first joint portion; A first coupling portion of a mold base is detachably coupled; the first molding portion is used to form a part of a sole; the first positioning device is disposed on one of the first mold base and the first mold, and The other one of the first mold base and the first mold has a first positioning hole; the first positioning device has a first elastic portion and a first positioning portion, and the first mold is coupled to the first mold After the seat, the first elastic portion pushes against the first positioning portion, so that the first positioning portion projects into the first positioning hole to restrict the position of the first mold in the first predetermined axial direction; the second The mold base has at least one third joint portion; the second The tool has a fourth joint portion and a second molding portion, and the fourth joint portion of the second mold is detachably coupled with the third joint portion of the second mold base along a second predetermined axial direction; the The second forming part is used for forming another part of the sole; the second positioning device is disposed in one of the second mold base and the second mold, and the other of the second mold base and the second mold has A second positioning hole; the second positioning device has a second elastic portion and a second positioning portion, and after the second mold is coupled to the second mold base, the second elastic portion pushes against the second positioning portion, The second positioning portion is extended into the second positioning hole to limit the position of the second mold in the second predetermined axial direction; the driving device is used to drive one of the first mold base and the second mold base. At least one of which moves along a third predetermined axis so that the first mold base is opposite to the second mold base Approaching or distant, wherein the third predetermined axial direction intersects the first predetermined axial direction and the second predetermined axial direction.

The effect of the present invention is that the first and second coupling portions, and the third and fourth coupling portions are detachably combined, which can save time for disassembling and assembling the mold, and the first positioning device Positioning with the first positioning hole and positioning with the second positioning device and the second positioning hole can achieve the effect of limiting the positions of the first mold and the second mold.

〔Usually〕

1‧‧‧Shoe sole forming machine

10‧‧‧First Platform

12‧‧‧Second Platform

14‧‧‧The first mold

142‧‧‧Forming Department

16‧‧‧Second Mould

162‧‧‧Forming Department

〔this invention〕

2‧‧‧Shoe sole forming machine

20a‧‧‧The first mold seat

20b‧‧‧Second mold base

20‧‧‧machine

202‧‧‧base

204‧‧‧Guide Post

24‧‧‧First Platform

26‧‧‧Second Platform

28‧‧‧Drive

282‧‧‧lower hydraulic cylinder

284‧‧‧oil cylinder

30‧‧‧Shoe sole mould

32‧‧‧The first fixed seat

32a‧‧‧First junction

32b‧‧‧ surface

32c‧‧‧groove

34‧‧‧ seat

342‧‧‧long slot

36‧‧‧Slot base

362‧‧‧Combination slot

362a‧‧‧ open end

362b‧‧‧ closed end

38‧‧‧ bezel

40‧‧‧ retaining ring

42‧‧‧The first mold

42a‧‧‧Second junction

42b‧‧‧First molding department

42c‧‧‧ surface

42d‧‧‧First positioning hole

44‧‧‧ Ontology

442‧‧‧ Grip

46‧‧‧ combined rail

48‧‧‧first positioning device

482‧‧‧ bump

484‧‧‧spring

50‧‧‧Second fixed seat

50a‧‧‧third joint

52‧‧‧Second Mould

52a‧‧‧The fourth joint

52b‧‧‧Second molding department

54‧‧‧Injection device

56‧‧‧first positioning device

562‧‧‧ bump

562a‧‧‧ round head

562b‧‧‧body

58‧‧‧The first fixed seat

58a‧‧‧first joint

582‧‧‧ combined rail

60‧‧‧The first mold

60a‧‧‧Second junction

602‧‧‧Combination slot

62‧‧‧The first fixed seat

62a‧‧‧first joint

622‧‧‧Combination slot

622a‧‧‧Slot 1

622b‧‧‧Second Slot Section

64‧‧‧The first mold

64a‧‧‧Second junction

642‧‧‧ combined rail

642a‧‧‧ neck

642b‧‧‧Head

66‧‧‧First mount

66a‧‧‧First junction

662‧‧‧ combined rail

68‧‧‧The first mold

68a‧‧‧Second junction

682‧‧‧Combination slot

70‧‧‧The first fixed seat

70a‧‧‧first joint

72‧‧‧The first mold

72a‧‧‧Second junction

74‧‧‧first positioning device

742‧‧‧ bump

744‧‧‧ shrapnel

FIG. 1 is a schematic diagram of a conventional shoe sole forming machine.

FIG. 2 is a schematic diagram of a sole forming mold set and a sole forming machine according to the first preferred embodiment of the present invention.

FIG. 3 is a perspective view of the first fixing seat of the above preferred embodiment.

FIG. 4 is a perspective view of a first mold of the above preferred embodiment.

FIG. 5 is a schematic diagram of the first positioning device disposed on the first fixing base in the above preferred embodiment.

FIG. 6 is a schematic diagram of a first positioning device disposed on a first fixing base according to a second preferred embodiment of the present invention.

FIG. 7 is a schematic diagram of a combination of a first fixing seat and a first mold according to a third preferred embodiment of the present invention.

FIG. 8 is a schematic view showing a combination of a first fixing seat and a first mold according to a fourth preferred embodiment of the present invention.

FIG. 9 is a schematic view showing a combination of a first fixing seat and a first mold according to a fifth preferred embodiment of the present invention.

FIG. 10 is a schematic diagram illustrating a combination of a first fixing seat and a first mold according to a sixth preferred embodiment of the present invention.

FIG. 11 is a schematic diagram of a first positioning device disposed on a first fixing base according to a seventh preferred embodiment of the present invention.

In order to explain the present invention more clearly, preferred embodiments are described in detail below with reference to the drawings. Please refer to FIGS. 2 to 5, which is a sole forming machine 2 with a sole forming mold set according to the first preferred embodiment of the present invention, which includes a machine 20, a first platform 24, a second platform 26, The driving device and a sole molding mold group 30, wherein: the machine base 20 includes a machine base 202 and a plurality of guide posts 204, and the guide posts 204 are vertically arranged on the machine base 202. The first platform 24 and the second platform 26 are passed by the guide pillars 204, and at least one of the first platform 24 and the second platform 26 is movable along the guide pillars 204. The driving device 28 connects at least one of the first platform 24 and the second platform 26 to drive at least one of the first platform 24 and the second platform 26 to move along the axial direction of the guide pillars 204. The first platform 24 and the second platform 26 can be relatively close to or away from each other. In this embodiment, the first platform 24 is located below the second platform 26. The driving device 28 includes a lower hydraulic cylinder 282 and an upper hydraulic cylinder 284, which respectively drive the first platform 24 and the second platform 26. Practically, Only one hydraulic cylinder can be provided, so that one platform can be fixed and the other platform can be moved.

The sole molding mold set 30 of the present invention includes a first fixing base 32, a first mold 42, a first positioning device 48, a second fixing base 50, a second mold 52 and a second positioning device, wherein: The first fixing base 32 is provided for fixing to the first platform 24, and the fixing method thereof may be bolted, but is not limited thereto. The first fixing base 32 has at least one first joint portion 32a. In this embodiment, the number of the at least one first coupling portion 32 a is two, and each of the first coupling portions 32 a extends along a first predetermined axial direction. In this embodiment, each of the first coupling portions 32a is located on the top of the first fixing base 32, and the top of the first fixing base 32 faces away from the first platform 24; a first predetermined axial line is connected to the shaft of the guide posts 204 To intersect.

The first mold 42 has at least a second joint portion 42a and a first molding portion 42b. In this embodiment, the number of the second joint portions 42a is two, and each of the second joint portions 42a is along the first predetermined portion. It extends in the axial direction. In this embodiment, each of the second joint portions 42 a is located at the bottom of the second mold 52. The second coupling portion 42a of the first mold 42 is detachably coupled with the first coupling portion 32a of the first fixing base 32 along the first predetermined axial direction, thereby achieving easy disassembly of the first mold 42. purpose. The first forming portion 42b may be a mold cavity or a mold core for forming a part of a sole.

One of the first joint portion 32a and the second joint portion 42a is a joint groove and extends along the first predetermined axis, and the other is a joint rail and extends along the first predetermined axis. In the example, the first joint portion 32 a is a joint groove 362, and the second joint portion 42 a is a joint rail 46. The two ends of the coupling groove 362 are an open end 362a and a closed end 362b, respectively. The coupling rail 46 penetrates the coupling groove 362 from the open end and abuts the closed end 362b to achieve positioning.

More specifically, the first fixing base 32 includes a base 34 and a slot base 36. The top of the base body 34 has a long slot 342 extending along the first predetermined axis. The slot base 36 is disposed in the long slot. In 342, the groove base 36 has the combining groove 362, and the combining groove 362 is a dovetail groove. In addition, a baffle 38 is provided at one end of the groove base 36, so that one end of the combining groove 362 forms a closed end 362b. The first mold includes a body 44, and the coupling rail 46 is a dovetail-shaped rail and is coupled to the bottom of the body 44. A grip 442 is provided at one end of the body 44 for a person to lift the first mold 42.

The first positioning device 48 is disposed in one of the first fixing base 32 and the first mold 42, and the other of the first fixing base 32 and the first mold 42 has a first positioning hole 42 d. . Please refer to FIGS. 3 to 5. In this embodiment, the first positioning device 48 is disposed on the first fixing base 32, and the first positioning hole 42 d is disposed on the first mold 42.

In more detail, the first fixing base 32 has a surface 32b (top surface) facing a surface 42c (bottom surface) of the first mold 42, and the surface 32b of the first fixing base 32 is recessed with a groove 32c. A fixing ring 40 is provided at the outer end of the groove 32c, and the fixing ring 40 and the groove 32c are screwed together. The first positioning device 48 is disposed in the groove 32c and includes a protrusion 482 and a spring 484. The protrusion is a ball, for example. One end of the spring 484 is against the protrusion 482, and the other is against the groove. On the groove surface of 32c, the fixing ring 40 limits the protrusion 482 to the groove 32c, so that a part of the protrusion 482 protrudes from the surface 32b of the first fixing seat 32 through the center of the fixing ring 40. The first positioning hole 42d is recessed from the surface 42c of the first mold 42. A portion of the protrusion 482 protruding from the surface 32b constitutes a first positioning portion, and the spring 484 constitutes a first elastic portion. After the first mold 42 is coupled to the first fixing seat 32, the spring 484 pushes against the projection 482, so that the projection 482 extends into the first positioning hole 42d to restrict the first mold 42 to the The first predetermined axial position. In the present embodiment, a portion of the protrusion 482 penetrating the surface 32 b of the first fixing seat 32 has an arc surface, which facilitates the first mold 42 to pass through the protrusion 482 smoothly.

The second fixing base 50 is for fixing to the second platform 26, and the bottom of the second fixing base 50 faces away from the second platform 26. The second fixing base 50 has at least one third joint portion 50a. The second mold 52 has A fourth coupling portion 52a and a second molding portion 52b. The fourth coupling portion 52a of the second mold 52 is detachable from the third coupling portion 50a of the second fixing seat 50 along a second predetermined axial direction. Mode combination; the second forming portion 52b is used to form another portion of the sole Points, and can be a mold cavity or mold kernel. In this embodiment, the second predetermined axial direction is parallel to the first predetermined axial direction.

In this embodiment, the structure of the second fixing base 50 is the same as that of the first fixing base 32. The third coupling portion 50 a of the second fixing base 50 and the fourth coupling portion 52 a of the second mold 52 are the same as those of the first fixing base 32. The first joint portion 32a is the same as the second joint portion 42a of the first mold 42 except that the third joint portion 50a is located at the bottom of the second fixing seat 50, and the fourth joint portion 52a is located at the top of the second mold 52. The second positioning device is also the same as the first positioning device 48, and details are not described herein again.

Thereby, the driving device 28 can drive the first fixing seat 32 and the second fixing seat 50 to move along the axial direction of the guide posts 204, that is, move along a third predetermined axis, so that the first mold 42 and the first The two molds 52 abut against each other so that the first molding portion 42b and the second molding portion 52b face each other. Then, the molten material is injected through the injection device 54 between the first forming portion 42b and the second forming portion 52b, and then the sole is formed.

When there are a plurality of first dies 42 and a plurality of second dies 52, one of the first dies 42 may be installed on the first fixing base 32, and one of the second dies 52 may be installed on the second fixing base 50. . Because the first mold 42 or the second mold 52 is replaced without disassembling the bolts, the effect of quickly replacing the mold can be achieved, and the time for replacing the mold can be saved. It is worth mentioning that the position of the mold can be restricted by the cooperation of the positioning device and the positioning hole, so that the position of the first mold 42 and the second mold 52 is more accurate when the first mold 42 and the second mold 52 are mated. When the two fixing bases 50 move, the first mold 42 and the second mold 52 do not move due to vibration. Also, it can be designed so that each first mold 42 can also correspond to a plurality of second molds 52, and each second mold 52 can also correspond to a plurality of first molds 42, so that a variety of differences can be combined Form of sole.

In practice, the first fixing base 32 and the first platform 24 can also be integrated into a first mold base 20a, so that the base body 34 of the first fixing base 32 and the first platform 24 can be integrated or detachable, or It is also integrated with the groove seat 36; the second fixed seat 50 and the second platform 26 can also be integrated into a second mold seat 20b, similar to the design of the first mold seat 20a. At least one of the first mold base 20 a and the second mold base 20 b is directly driven by the driving device 28.

The aforementioned shoe sole forming machine 2 is described by taking the first fixing base 32 and the second fixing base 50 moving in the vertical direction as an example, but it is not limited to this, and the first fixing base and the second fixing base may be moved in the horizontal direction. A sole forming machine, or a sole forming machine in which the first fixing seat and the second fixing seat can be pivoted relative to each other.

FIG. 6 shows the first positioning device 56 of the sole forming mold set of the second preferred embodiment of the present invention. Unlike the first embodiment, the projection 562 of the first positioning device 56 of this embodiment has a circle. The head portion 562a and a body portion 562b, a part of the round head portion 562a protrudes from the surface 32b of the first fixing seat 32 and into the first positioning hole 42d of the first mold 42, and the spring 484 abuts the body portion 562b. The second positioning device can also have the same design.

FIG. 7 shows the first fixing seat 58 and the first mold 60 of the sole forming mold group of the third preferred embodiment of the present invention, which have substantially the same structure as the first embodiment, except that the first joint portion 58a is a coupling rail 582 and is a dovetail-shaped rail, and the second coupling part 60a is a coupling groove 602 and is a dovetail groove. The second fixing seat and the second mold can also have the same design.

FIG. 8 shows the first fixing seat 62 and the first mold 64 of the sole molding mold set of the fourth preferred embodiment of the present invention, which have substantially the same structure as the first embodiment, except that The first joint portion 62a is a joint groove 622 and includes a first groove section 622a and a second groove section 622b which communicate with each other. The first groove section 622a is located above the second groove section 622b and the first groove section 622a and The outside is communicated, the groove width of the first groove section 622a is smaller than that of the second groove section 622b; the second joint portion 64a is a joint rail 642 and has a neck portion 642a and a head The portion 642b, the neck portion 642a is located in the first groove section 622a, and the head portion 642b is located in the second groove section 622b. The second fixing seat and the second mold can also have the same design.

FIG. 9 shows the first fixing seat 66 and the first mold 68 of the sole forming mold set of the fifth preferred embodiment of the present invention, which have substantially the same structure as the fourth embodiment, except that the difference The first coupling portion 66 a is a coupling rail 662, and the second coupling portion 68 a is a coupling groove 682. The second fixing seat and the second mold can also have the same design.

FIG. 10 shows the first fixing seat 70 and the first mold 72 of the sole molding mold set of the sixth preferred embodiment of the present invention, which have substantially the same structure as the fourth embodiment, except that the difference The first joint portion 70 a is located on two opposite sides of the top of the first fixing base 70, and the second joint portion 72 a is located on two opposite sides of the bottom of the first mold 72. The second fixing seat and the second mold can also have the same design.

FIG. 11 shows the first positioning device 74 of the sole molding mold set of the seventh preferred embodiment of the present invention, which is similar to the first positioning device 48 of the first embodiment, except that the first positioning device of this embodiment 74 is an integrated design, that is, two opposite sides of the bump 742 are formed with a first elastic portion, such as an elastic piece 744, and a portion of the bump 742 protruding from the surface 32b of the first fixing seat 32 constitutes a first positioning portion. The second positioning device can also have the same design.

The above descriptions are only the preferred and feasible embodiments of the present invention, and any equivalent changes made by applying the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.

Claims (20)

A sole forming mold set is used to be installed on a sole forming machine. The sole forming machine includes a first platform and a second platform that can be moved relatively close to or away from each other. The sole forming mold group includes: a first fixing A base for fixing to the first platform, the first fixing base having a top facing away from the first platform; a top of the first fixing base having at least a first joint portion; a first mold having a bottom and the first The top of a fixing seat faces each other, the first mold has at least a second joint portion and a first molding portion, the at least one second joint portion is located at the bottom of the first mold, and the second joint of the first mold The part is detachably coupled with the first coupling part of the first fixing base along a first predetermined axial direction; the first molding part is used for molding a part of the sole; and a first positioning device is disposed on the first fixing part. One of the top of the seat and the bottom of the first mold, and the other of the top of the first fixing seat and the bottom of the first mold has a first positioning hole; the first positioning device has a first One elastic part and one A positioning portion, after the first mold is coupled to the first fixing base, the first elastic portion pushes against the first positioning portion, so that the first positioning portion extends into the first positioning hole to restrict the first positioning portion The position of the mold on the first predetermined axis; a second fixing base for fixing to the second platform, the second fixing base having a bottom facing away from the second platform; the bottom of the second fixing base having at least a first Three joints; a second mold having a top portion facing the bottom of the second fixing base, the second mold having a fourth joint portion and a second molding portion, and the at least one fourth joint portion is located at the The top of the second mold, the fourth joint portion of the second mold is detachably coupled with the third joint portion of the second fixing seat along a second predetermined axial direction; Another part; a second positioning device is disposed on one of the bottom of the second fixing base and the top of the second mold, and the other of the bottom of the second fixing base and the top of the second mold Having a second positioning hole; the second positioning device A second elastic portion and a second positioning portion, after the second mold is coupled to the second fixing seat, the second elastic portion pushes against the second positioning portion, so that the second positioning portion extends into the second positioning In the hole to limit the position of the second mold in the second predetermined axial direction. The shoe sole molding mold set according to claim 1, wherein the first fixing seat has a surface, the surface is recessed with a groove, and the first positioning device is disposed in the groove and includes a projection and a spring contact. A part of the protrusion protrudes from the surface of the first fixing seat on the protrusion; a surface of the first mold faces the surface of the first fixing seat, and the first positioning hole is from the first The surface of the mold is formed concavely, the spring constitutes the first elastic portion, and a portion of the projection protruding from the surface of the first fixing seat constitutes the first positioning portion. The sole forming mold set according to claim 2, wherein a portion of the surface of the projection protruding from the first fixing seat has a circular arc surface. The sole forming mold set according to claim 1, wherein the second fixing seat has a surface, the surface is recessed with a groove, and the second positioning device is disposed in the groove and includes a projection and a spring contact. A part of the protrusion protrudes from the surface of the second fixing seat on the protrusion; a surface of the second mold faces the surface of the second fixing seat, and the second positioning hole is from the second The surface of the mold is formed concavely, the spring constitutes the second elastic portion, and a portion of the protrusion protruding from the surface of the second fixing seat constitutes the second positioning portion. The sole forming mold set according to claim 4, wherein a portion of the surface of the protrusion protruding from the second fixing seat has a circular arc surface. The sole forming mold set according to claim 1, wherein the first platform is located below the second platform; one of the first joint portion and the second joint portion is a joint groove and is predetermined along the first Axially extending, the other being a combined rail extending along the first predetermined axial direction; wherein the combined groove has an open end and a closed end, and the combined rail penetrates the combined groove from the open end and Against the closed end. The sole forming mold set according to claim 6, wherein the first fixing seat includes a base and a slot seat, and a top of the seat body has a long slot, and the slot seat is arranged in the long slot, and the slot The seat has the coupling groove. The sole forming mold set according to claim 7, wherein the coupling groove is a dovetail groove; and the coupling track is a dovetail track. The sole forming mold set according to claim 6, wherein the combining groove includes a first groove section and a second groove section which are communicated with each other, the first groove section is located above the second groove section and the first groove section Communicating with the outside, the slot width of the first slot section is smaller than the slot width of the second slot section; the combined rail has a neck portion and a head portion, the neck portion is located in the first slot portion, and the head portion is located in the first slot portion Two-slot section. The sole forming mold set according to claim 1, wherein the first platform is located below the second platform; wherein one of the third joint portion and the fourth joint portion is a joint groove and extends along the second A predetermined axial extension, the other being a combination rail and extending along the second predetermined axial direction; wherein the combination groove has an open end and a closed end, and the combination rail penetrates the combination groove from the open end. And abuts the closed end. The sole molding mold set according to claim 10, wherein the second fixing seat includes a base and a slot seat, and a bottom of the seat body has a long slot, and the slot seat is disposed in the long slot, and the slot The seat has the coupling groove. The sole forming mold set according to claim 11, wherein the coupling groove is a dovetail groove; and the coupling track is a dovetail track. The sole molding mold set according to claim 10, wherein the combining groove includes a first groove section and a second groove section which are communicated with each other, the first groove section is located below the second groove section and the first groove section Communicating with the outside, the slot width of the first slot section is smaller than the slot width of the second slot section; the combined rail has a neck portion and a head portion, the neck portion is located in the first slot portion, and the head portion is located in the first Two-slot section. A sole molding machine includes: a first mold base having a top, the top of the first mold base having at least a first joint portion; a first mold having a bottom facing the top of the first mold base Yes, the first mold has at least a second joint portion and a first molding portion, the at least one second joint portion is located at the bottom of the first mold, and the second joint portion of the first mold is along a first predetermined axis Is detachably coupled to the first joint portion with the first mold base; the first molding portion is used to form a part of the sole; a first positioning device is provided on the top of the first mold base and the first One of the bottom of the mold, and the other of the top of the first mold base and the bottom of the first mold has a first positioning hole; the first positioning device has a first elastic portion and a first A positioning portion, after the first mold is coupled to the first mold base, the first elastic portion pushes against the first positioning portion, so that the first positioning portion projects into the first positioning hole to restrict the first mold A position on the first predetermined axis; a first A mold base having a bottom, the bottom of the second mold base having at least a third joint; a second mold having a top facing the bottom of the second mold base, the second mold having a fourth A coupling portion and a second molding portion, the at least one fourth coupling portion is located on the top of the second mold, and the fourth coupling portion of the second mold is coupled to the third coupling of the second mold base along a second predetermined axial direction. The second molding part is detachably combined; the second molding part is used for molding another part of the sole; a second positioning device is disposed on one of the bottom of the second mold base and the top of the second mold, and the The other of the bottom of the second mold base and the top of the second mold has a second positioning hole; the second positioning device has a second elastic portion and a second positioning portion, and the second mold is coupled to the second positioning portion. After the second mold seat, the second elastic portion pushes against the second positioning portion, so that the second positioning portion projects into the second positioning hole to restrict the position of the second mold in the second predetermined axial direction; A driving device for driving the first mold base At least one of the second mold bases is moved along a third predetermined axis, so that the first mold base is relatively close to or away from the second mold base, wherein the third predetermined axis is aligned with the first predetermined axis. And the second predetermined axis intersects. The sole molding machine according to claim 14, wherein the first mold base has a surface, the surface is recessed with a groove, the first positioning device is disposed in the groove and includes a projection and a spring against The projection causes a part of the projection to protrude from the surface of the first mold base; the first mold has a surface facing the surface of the first mold base, and the first positioning hole is from the first mold The surface of the spring is formed concavely, the spring constitutes the first elastic portion, and the portion of the projection protruding from the surface of the first mold seat constitutes the first positioning portion. The sole molding machine according to claim 15, wherein a portion of the surface of the projection protruding from the first mold seat has a circular arc surface. The sole molding machine according to claim 14, wherein the second mold base has a surface, the surface is recessed with a groove, and the second positioning device is disposed in the groove and includes a protrusion and a spring against The projection causes a part of the projection to protrude from the surface of the second mold base; the second mold has a surface facing the surface of the second mold base, and the second positioning hole is from the second mold The surface of the spring is formed concavely, the spring constitutes the second elastic portion, and the portion of the projection protruding from the surface of the second mold seat constitutes the second positioning portion. The sole forming machine according to claim 17, wherein a portion of the surface of the projection protruding from the second mold seat has a circular arc surface. The sole molding machine according to claim 14, wherein the first mold base is located below the second mold base; one of the first joint portion and the second joint portion is a joint groove and extends along the first A predetermined axial extension, the other being a combination rail and extending along the first predetermined axial direction; wherein the combination groove has an open end and a closed end, and the combination rail penetrates the combination groove from the open end. And abuts the closed end. The sole molding machine according to claim 14, wherein the first mold base is located below the second mold base; wherein one of the third joint portion and the fourth joint portion is a joint groove and extends along the first joint portion. Two predetermined axial extensions, the other of which is a combination rail and extends along the second predetermined axial direction; wherein the combination groove has an open end and a closed end, and the combination rail penetrates the combination groove from the open end. And abut the closed end.