Sole production mold

Abstract

The invention discloses a shoe sole production mold which comprises a lower mold and a mounting seat, and the lower mold is composed of two side molds and a middle mold. According to the device, the lower mold is divided into the middle mold and the two side molds hinged to the two sides of the middle mold, in the demolding process, when the two side molds are pressed downwards at the same time through the two first U-shaped handles, the side molds are separated from the middle mold, and the two sides of a shoe sole and the two sides of the bottom of the shoe sole can be exposed out of the two sides of the middle mold; the semi-circular protection plates fixed to the side ends of the side molds rotate along with the downward pressing of the side molds, at the moment, the bottom ends of the semi-circular protection plates do not abut against the transverse plates any more, the arc-shaped ejector rods at the bottoms of the side molds eject the transverse plates upwards through the balls at the ends of the arc-shaped ejector rods, and therefore the transverse plates drive the ejector plates to move upwards; therefore, the shoe sole in the shoe sole forming groove of the middle mold can be effectively ejected out, and the shoe sole can be easily demolded from the shoe sole forming groove of the middle mold without being dragged by a worker.

Description

Technical Field

[0001] The present invention relates to the technical field of sole molds, and particularly relates to a sole production mold. Background Art

[0002] In the production process of soles, the mold is an indispensable key device. When traditional sole molds are demolded, manual operation with tools or the structure design of the mold itself is usually required. However, there are some problems with existing sole molds during demolding. For example, manual demolding is difficult and tools such as pliers and screwdrivers are needed to achieve demolding. When demolding by mechanical ejection, it is easy to damage the sole and raw materials are likely to flow out from the gaps of the ejection mechanism, affecting product quality and production efficiency. Especially for soles with complex shapes, the demolding difficulty is greater and more time and effort are required. Therefore, how to design a sole mold that is convenient for demolding has become an urgent problem for those skilled in the art.

[0003] To solve the above problems, the present invention proposes a sole production mold. Summary of the Invention

[0004] To solve the above existing problems, the present invention provides a sole production mold.

[0005] The present invention is realized through the following technical solutions: A sole production mold includes a lower mold and a mounting seat. The lower mold is composed of two side molds and an intermediate mold. The two side molds are respectively symmetrically attached to both sides of the intermediate mold, and the bottom surface of the side mold is hinged to one side of the bottom surface of the intermediate mold through a hinge structure. A sole forming groove is commonly opened in the middle area of the top surface of the intermediate mold and in the areas of the top surfaces of the two side molds close to the intermediate mold. A plurality of semi-circular guard plates are uniformly fixed on the side of the side mold close to the intermediate mold. The axis line of the hinge between the side mold and the intermediate mold is the same as the axis line of the semi-circular guard plates. The top end of the semi-circular guard plate is aligned with the bottom surface of the sole forming groove. The semi-circular guard plate penetrates through the intermediate mold and is slidably connected to the contact part. An arc-shaped groove for the semi-circular guard plate to pass through is opened on the side of the intermediate mold close to the side mold. A limiting block is fixed at the bottom end of the inner arc surface of the semi-circular guard plate.

[0006] Preferably, a connecting plate is fixed at one end of the intermediate mold, and positioning bolts are respectively screwed at both ends of the connecting plate. The end of the positioning bolt is inserted into the side wall of the side mold, and a positioning hole for the end of the positioning bolt to be inserted is opened on the side wall of the side mold.

[0007] Preferably, an upper mold is hinged to the other end of the intermediate mold through a hinge structure, and a second U-shaped handle is fixed on the upper mold.

[0008] Preferably, a plurality of reserved grooves are evenly formed in the bottom surface of the sole forming groove of the middle mold. A top plate matching the volume of each reserved groove is arranged in each reserved groove. The top surface of the top plate is aligned with the bottom surface of the sole forming groove of the middle mold. A sliding plate is fixed to the bottom surface of the top plate. The bottom end of the sliding plate vertically penetrates the middle mold and is slidably connected to the contact part thereof. A cross plate is arranged at the lower end of the middle mold. The bottom end of each sliding plate is fixedly connected to the top surface of the cross plate. Guide rods are vertically penetrated through the four corners of the cross plate respectively. The guide rods are slidably connected to the cross plate. The top ends of the guide rods are fixedly connected to the bottom surface of the middle mold. A T-shaped slider is fixed to the bottom end of the guide rod. The bottom end of the semi-circular guard plate is attached to the top surface of the cross plate. A plurality of arc-shaped ejector rods are evenly fixed to the bottom surface of the side mold. The axis of the hinge between the side mold and the middle mold is consistent with the axis of the arc-shaped ejector rod. A ball is fixedly arranged at the end of the arc-shaped ejector rod.

[0009] Preferably, the mounting seat includes a base. Support plates are respectively fixed at both ends of the top surface of the base. Two guide plates are symmetrically fixed left and right between the two support plates. T-shaped sliding grooves are formed in the top surfaces of the two guide plates. The T-shaped slider is slidably arranged in the T-shaped sliding groove.

[0010] Preferably, two trapezoidal support plates are symmetrically fixed left and right on the top surface of the base.

[0011] Preferably, a first U-shaped handle is fixed to the side wall of the side mold.

[0012] Compared with the existing technology, the beneficial effects of the present invention are as follows: In this device, the lower mold is divided into a middle mold and two side molds hinged on both sides thereof. In the demolding process, when two side molds are simultaneously pressed down by two first U-shaped handles, the side molds are separated from the middle mold. At this time, the sole forming groove on the side mold is separated from the sole forming groove of the middle mold. The formed sole remains in the sole forming groove of the middle mold. Both sides of the sole and both sides of the bottom of the sole will be exposed on both sides of the middle mold, which is convenient for workers to drag the sole from both sides to demold it. Moreover, as the side mold is pressed down, the semi-circular guard plate fixed to the side end of the side mold rotates together. At this time, the bottom end of the semi-circular guard plate no longer abuts against the cross plate. The arc-shaped ejector rod at the bottom of the side mold pushes the cross plate upward through the ball at its end. In this way, the cross plate drives the top plate to move upward, and then the sole in the sole forming groove of the middle mold can be effectively ejected, and the sole can be easily demolded from the sole forming groove of the middle mold without the need for workers to drag it.

[0013] Through the setting of the trapezoidal support plate, during the hot pressing process, the top surface of the trapezoidal support plate abuts against the side mold, preventing the side mold from rotating around the hinge of the hinge joint with the middle mold when the hot press squeezes the mold. Furthermore, it ensures that the side mold and the middle mold are also closely attached during the hot pressing process, effectively preventing the raw material from flowing out through the gap between the side mold and the middle mold.

[0014] Through the setting of the semi-circular guard plate, during the hot pressing process, the bottom end of the semi-circular guard plate abuts against the cross plate, preventing the ejector plate from detaching from the reserved groove in the sole forming groove of the middle mold during the hot pressing process, ensuring that the ejector plate is tightly buckled in the reserved groove, effectively preventing the raw material from flowing out through the reserved groove. Moreover, during the demolding process, through the setting of the semi-circular guard plate, when the sole forming groove on the side mold separates from the sole forming groove of the middle mold, it can not only play a role in guiding and stabilizing, but also the outer arc surface of the semi-circular guard plate can effectively protect the sole, preventing the sole from directly contacting and bumping against the edges and corners on the side mold and the middle mold during the separation process, thereby effectively avoiding damage to the sole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of the structure of the present invention; Figure 2 is a front view of the structure of the present invention; Figure 3 is the structure of the present invention Figure 2 cross-sectional view taken along line A-A; Figure 4 is the structure of the present invention Figure 3 partial enlarged view of B; Figure 5 is a perspective Figure 1 .

[0016] In the figure: upper mold 1, lower mold 2, middle mold 3, side mold 4, first U-shaped handle 5, connecting plate 6, positioning bolt 7, ejector plate 8, base 9, support plate 10, guide plate 11, T-shaped chute 12, trapezoidal support plate 13, semi-circular guard plate 14, sliding plate 15, guide rod 16, T-shaped slider 17, arc-shaped ejector rod 18, ball 19, cross plate 20, limit block 21, arc-shaped groove 22, mounting seat 23, second U-shaped handle 24. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments: As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown in the figure, a sole production mold includes a lower mold 2 and a mounting seat 23. The lower mold 2 is composed of two side molds 4 and an intermediate mold 3. The two side molds 4 are respectively symmetrically attached to both sides of the intermediate mold 3. The bottom surface of the side mold 4 is hinged to one side of the bottom surface of the intermediate mold 3 through a hinge structure. A sole forming groove is formed on the middle area of the top surface of the intermediate mold 3 and on the areas of the top surfaces of the two side molds 4 close to the intermediate mold 3. A plurality of semi-circular guard plates 14 are uniformly fixed on the side of the side mold 4 close to the intermediate mold 3. The axis line of the hinge between the side mold 4 and the intermediate mold 3 is the same as the axis line of the semi-circular guard plate 14. The top end of the semi-circular guard plate 14 is aligned with the inner bottom surface of the sole forming groove. The semi-circular guard plate 14 penetrates through the intermediate mold 3 and is slidably connected to the contact part therewith. An arc-shaped groove 22 for the semi-circular guard plate 14 to pass through is formed on the side of the intermediate mold 3 close to the side mold 4. A limiting block 21 is fixed at the bottom end of the inner arc surface of the semi-circular guard plate 14.

[0018] Preferably, a connecting plate 6 is fixed at one end of the intermediate mold 3. Positioning bolts 7 are respectively screwed at both ends of the connecting plate 6. The end of the positioning bolt 7 is inserted into the side wall of the side mold 4. Positioning holes for the end of the positioning bolt 7 to be inserted are formed on the side wall of the side mold 4.

[0019] Preferably, an upper mold 1 is hinged to the other end of the intermediate mold 3 through a hinge structure. A second U-shaped handle 24 is fixed on the upper mold 1.

[0020] Preferably, a plurality of reserved grooves are uniformly formed on the inner bottom surface of the sole forming groove of the intermediate mold 3. A ejector plate 8 with a volume matching that of each reserved groove is arranged in each reserved groove. The top surface of the ejector plate 8 is aligned with the inner bottom surface of the sole forming groove of the intermediate mold 3. A sliding plate 15 is fixed at the bottom surface of the ejector plate 8. The bottom end of the sliding plate 15 vertically penetrates through the intermediate mold 3 and is slidably connected to the contact part therewith. A cross plate 20 is arranged at the lower end of the intermediate mold 3. The bottom end of each sliding plate 15 is fixedly connected to the top surface of the cross plate 20. Guide rods 16 are respectively vertically penetrated through the four corners of the cross plate 20. The guide rods 16 are slidably connected to the cross plate 20. The top end of the guide rod 16 is fixedly connected to the bottom surface of the intermediate mold 3. A T-shaped slider 17 is fixed at the bottom end of the guide rod 16. The bottom end of the semi-circular guard plate 14 is attached to the top surface of the cross plate 20. A plurality of arc-shaped ejector rods 18 are uniformly fixed on the bottom surface of the side mold 4. The axis line of the hinge between the side mold 4 and the intermediate mold 3 is the same as the axis line of the arc-shaped ejector rod 18. A ball 19 is fixed at the end of the arc-shaped ejector rod 18.

[0021] Preferably, the mounting base 23 includes a base 9. At both ends of the top surface of the base 9, support plates 10 are respectively fixed. Between the two support plates 10, two guide plates 11 are symmetrically fixed left and right. T-shaped chutes 12 are formed on the top surfaces of the two guide plates 11, and the T-shaped sliders 17 are slidably disposed in the T-shaped chutes 12.

[0022] Preferably, two trapezoidal support plates 13 are symmetrically fixed left and right on the top surface of the base 9.

[0023] Preferably, a first U-shaped handle 5 is fixed on the side wall of the side mold 4.

[0024] Working principle: When the present invention is in use, the part of the trapezoidal support plate 13 provided on the base 9 is installed in the hot press. An appropriate amount of raw materials for making the sole is placed in the sole forming groove of the upper mold 1. Then, the upper mold 1 is closed through the second U-shaped handle 24. Then, the lower mold 2 is pushed, so that the lower mold 2 slides into the hot press along the guide plate 11. At this time, the bottom surfaces of the two side molds 4 of the lower mold 2 are attached to the top surface of the trapezoidal support plate 13, preventing the side mold 4 from rotating around the hinge at the hinge joint with the middle mold 3 when the hot press squeezes the mold. Thus, it is ensured that the side mold 4 and the middle mold 3 are also closely attached during the hot pressing process, effectively preventing the raw materials from flowing out through the gap between the side mold 4 and the middle mold 3. When the hot pressing work is completed, the upper mold 1 and the lower mold 2 are pulled out of the hot press through the second U-shaped handle 24. At this time, the bottom surfaces of the two side molds 4 of the lower mold 2 are separated from the trapezoidal support plate 13. Then, the upper mold 1 is opened from the lower mold 2 through the second U-shaped handle 24. Subsequently, the positioning bolt 7 is loosened, so that the end of the positioning bolt 7 disengages from the positioning hole on the side mold 4. Then, the two first U-shaped handles 5 are used to press down the two side molds 4 simultaneously. In this way, the side mold 4 rotates around the hinge at the hinge joint with the middle mold 3, and the side mold 4 and the middle mold 3 are separated. At this time, the sole forming groove on the side mold 4 is separated from the sole forming groove of the middle mold 3, and the formed sole remains in the sole forming groove of the middle mold 3. Both sides of the sole and both sides of the bottom of the sole will be exposed on both sides of the middle mold 3, facilitating the worker to drag the sole from both sides to demold it. Moreover, as the side mold 4 is pressed down, the semi-circular guard plate 14 fixed to the side end of the side mold 4 rotates together. At this time, the bottom end of the semi-circular guard plate 14 no longer abuts against the cross plate 20, and the arc-shaped ejector rod 18 at the bottom of the side mold 4 pushes up the cross plate 20 through the ball 19 at its end. In this way, the cross plate 20 drives the ejector plate 8 to move upward, thereby effectively ejecting the sole in the sole forming groove of the middle mold 3. Thus, the sole can be easily demolded from the sole forming groove of the middle mold 3 without the need for the worker to drag it. And through the setting of the semi-circular guard plate 14, during the hot pressing process, the bottom end of the semi-circular guard plate 14 abuts against the cross plate 20, preventing the ejector plate 8 from disengaging from the reserved groove in the sole forming groove of the middle mold 3 during the hot pressing process, ensuring that the ejector plate 8 is tightly buckled in the reserved groove, effectively preventing the raw materials from flowing out through the reserved groove. Moreover, during the demolding process, through the setting of the semi-circular guard plate 14, when the sole forming groove on the side mold 4 is separated from the sole forming groove of the middle mold 3, the outer arc surface of the semi-circular guard plate 14 can effectively protect the sole, preventing the sole from directly contacting and colliding with the edges and corners on the side mold 4 and the middle mold 3 during the separation process, thereby effectively avoiding damage to the sole.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A shoe sole production mold, comprising a lower mold (2) and a mounting seat (23), characterized in that; The lower mold (2) is composed of two side molds (4) and a middle mold (3). The two side molds (4) are respectively symmetrically attached to the two sides of the middle mold (3), and the bottom surface of the side mold (4) is hinged to one side of the bottom surface of the middle mold (3) through a hinge structure. The middle area of ​​the top surface of the middle mold (3) and the top surfaces of the two side molds (4) near the middle mold (3) are jointly provided with a sole forming groove. A plurality of semicircular guard plates (14) are evenly fixed on one side of the side mold (4) near the middle mold (3). The side mold (4) The axis of the hinged joint between the intermediate mold (3) and the semicircular guard plate (14) is consistent with the axis of the semicircular guard plate (14), the top of the semicircular guard plate (14) is aligned with the inner bottom surface of the sole forming groove, the semicircular guard plate (14) penetrates the intermediate mold (3) and is slidably connected with the contact portion thereof, an arc groove (22) for the semicircular guard plate (14) to pass through is formed on the side of the intermediate mold (3) close to the side mold (4), a limiting block (21) is fixed at the bottom end of the inner arc surface of the semicircular guard plate (14), and a first U-shaped handle (5) is fixed on the side wall of the side mold (4).

2. A sole production mold according to claim 1, characterized in that: A connecting plate (6) is fixed to one end of the middle mold (3), and positioning bolts (7) are respectively screwed at both ends of the connecting plate (6). The ends of the positioning bolts (7) are inserted into the side walls of the side mold (4), and positioning holes are provided on the side walls of the side mold (4) for the ends of the positioning bolts (7) to be inserted.

3. A sole production mold according to claim 2, characterized in that: The other end of the middle mould (3) is hingedly connected to the upper mould (1) via a hinge structure, and a second U-shaped handle (24) is fixed to the upper mould (1).

4. A shoe sole production mold according to claim 1, characterized in that: A plurality of reserved grooves are evenly arranged on the inner bottom surface of the sole forming groove of the intermediate mold (3), and an ejector plate (8) matching its volume is arranged in each reserved groove. The top surface of the ejector plate (8) is aligned with the inner bottom surface of the sole forming groove of the intermediate mold (3). A sliding plate (15) is fixed to the bottom surface of the ejector plate (8), and the bottom end of the sliding plate (15) vertically penetrates the intermediate mold (3) and is slidably connected to the contact portion thereof. A transverse plate (20) is arranged at the lower end of the intermediate mold (3), and the bottom end of each sliding plate (15) is fixedly connected to the top surface of the transverse plate (20). The four corners of the transverse plate (20) are respectively vertically A guide rod (16) is provided through the side mold (4). The guide rod (16) is slidably connected to the cross plate (20). The top end of the guide rod (16) is fixedly connected to the bottom surface of the middle mold (3). A T-shaped slider (17) is fixed to the bottom end of the guide rod (16). The bottom end of the semicircular guard plate (14) is in contact with the top surface of the cross plate (20). A plurality of arc-shaped ejector rods (18) are evenly fixed on the bottom surface of the side mold (4). The axis of the hinged joint between the side mold (4) and the middle mold (3) is consistent with the axis of the arc-shaped ejector rod (18). A ball bearing (19) is fixed to the end of the arc-shaped ejector rod (18).

5. A sole production mold according to claim 4, characterized in that: The mounting seat (23) comprises a base (9), support plates (10) are respectively fixed at both ends of the top surface of the base (9), two guide plates (11) are symmetrically fixed between the two support plates (10), and the top surfaces of the two guide plates (11) are each provided with a T-shaped slide groove (12), and the T-shaped slide block (17) is slidably arranged in the T-shaped slide groove (12).

6. A sole production mold according to claim 5, characterized in that: Two trapezoidal support plates (13) are fixed symmetrically on the top surface of the base (9).

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