Mold demolding mechanism

Abstract

The utility model discloses a mould demoulding mechanism which comprises a first forming frame, a second forming frame, a third forming frame, a fourth forming frame and a base, and the first forming frame, the second forming frame, the third forming frame and the fourth forming frame are respectively arranged on the periphery of the base. The forming assembly is arranged in the base, all the sliding block mechanisms are arranged in the forming assembly, the inclined guide rail on the push-pull column can be in sliding fit with the inclined sliding groove in the first sliding block through pulling of the push-pull column, the first sliding block is made to move downwards in an inclined mode, meanwhile, the first sliding block can apply force to one end of the warping plate, and the warping plate is made to move downwards. And meanwhile, a guide part of the second sliding block can obliquely move upwards under the cooperation of an arc-shaped sliding groove and an arc-shaped guide rail, so that the top end of a forming part deflects while moving upwards, the first sliding block is separated from the product, and the second sliding block can eject the product out. Therefore, the product can be quickly demoulded.

Description

Technical Field

[0001] This utility model belongs to the field of mold technology, and specifically relates to a mold demolding mechanism. Background Technology

[0002] The shells of headphones are mostly formed in molds through injection molding. Headphone shell injection molds are generally divided into upper and lower molds. The solution is injected into the upper mold and then cooled to obtain the required headphone shell. However, current headphone shell molds are quite complex, making the demolding process of headphone shell products inconvenient, resulting in reduced work efficiency and even increased defect rates. Therefore, in order to improve the rapid production of headphone shells, it is necessary to have a fast demolding mechanism for the molded headphone shells. Therefore, a mold demolding mechanism is designed to overcome the above-mentioned technical defects. Utility Model Content

[0003] (1) Technical problems to be solved

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a mold demolding mechanism to solve the above-mentioned technical problems.

[0005] (2) Technical solution

[0006] To solve the above-mentioned technical problems, this utility model provides a mold demolding mechanism, including a first forming frame, a second forming frame, a third forming frame, a fourth forming frame, and a base. The first forming frame, the second forming frame, the third forming frame, and the fourth forming frame are respectively arranged around the base. The first forming frame and the second forming frame are arranged opposite each other and located on both sides of the width direction of the base. The third forming frame and the fourth forming frame are arranged opposite each other and located on both sides of the length direction of the base. The upper end of the side of the first forming frame and the second forming frame that are close to each other is integrally formed with a first arc-shaped part. The middle part of the side of the third forming frame and the fourth forming frame that are close to each other is integrally formed with a second arc-shaped part. A forming component is provided at the middle of the top of the base. The forming component, the first arc-shaped part, and the second arc-shaped part together form a punch for product forming. The top of the second forming frame and the top of the first arc-shaped part are provided with injection ports that communicate with an external injection molding machine. The interior of the forming component is provided with a slider assembly for demolding.

[0007] Preferably, the outer side of the first forming frame is provided with a drive assembly for mold opening and closing, and the interior of the third forming frame and the fourth forming frame are provided with a diagonal rod assembly for mold opening and closing.

[0008] Further, the forming assembly comprises a protrusion integrally formed in the middle of the top end of the base, both ends of the middle of the protrusion are provided with a clearance slot along the length direction of the base, the top end of the four corners of the protrusion is integrally formed with an arc-shaped side plate near the side of the clearance slot, the side of the arc-shaped side plate opposite to each other is provided with an inclined block flush with the inner wall of the clearance slot, the middle of the top end of the protrusion is provided with an arc-shaped mounting block, both ends of the middle of the arc-shaped mounting block are provided with mounting holes, and the inner wall of both sides of the mounting hole is provided with a side groove in contact with the side wall of the inclined block, the top end of the arc-shaped mounting block is integrally formed with an arc-shaped protrusion between the two mounting holes, the inner part of the upper end of the arc-shaped protrusion is provided with an arc-shaped slot, the arc-shaped slot is slidably connected with an arc-shaped insert block, the arc-shaped mounting block is provided with two guide holes symmetrically arranged near the side of the first forming frame, and the two guide holes are arranged obliquely.

[0009] Further, both the slide block assemblies comprise a side insert block, a first slide block, a second slide block and a support block, both the side insert blocks are slidably connected in the inner part of both ends of the base, the top of the side of the side insert blocks opposite to each other is integrally formed with a protrusion, the inner side of the upper end of the protrusion is provided with a rectangular slot, the outer side of the protrusion is provided with an arc surface, the top end of the protrusion is provided with a clearance on the side of the arc surface, the middle of the side insert block is provided with an insertion hole inclined to the inner side, and the insertion hole extends upward to the middle of the arc surface, the first pushing rod is slidably connected in the insertion hole, and the top end of the first pushing rod is integrally formed with a side forming block, the support block is connected in the inner part of the clearance slot, and the side of the support block is in contact with the inner side of the protrusion, the side of the support block is provided with a mounting slot, the other side of the support block is provided with a stepped clearance slot, the other side of the stepped clearance slot is provided with an arc surface, the inner wall of the mounting slot near the arc surface is provided with an arc-shaped guide rail, the inner wall of the mounting slot is integrally formed with a round rod in the middle of the lower end, and the inner wall of the mounting slot above the round rod is integrally formed with an arc-shaped guide block.

[0010] Further, both ends of the middle of the base are provided with a rectangular hole slidably connected with the side insert block, and the rectangular hole is connected with the clearance slot, the side of the side forming block is provided with a forming arc surface flush with the arc surface on the protrusion, the outer part of the round rod is provided with a warped plate, one end of the warped plate is in the inner part of the clearance slot, and the other end of the warped plate extends to the outer part of the clearance slot.

[0011] Further, the second slider is formed by a guide part and a forming part integrally formed at the top end of the guide part, the lower end of the guide part is provided with an arc-shaped sliding groove, the arc-shaped sliding groove is slidably connected to the arc-shaped guide rail, the other side of the guide part is provided with a guide protrusion matched with the rectangular groove, the top end of the forming part is arc-shaped, the end of the forming part close to the arc-shaped top end is opposite to the clearance, and the other end of the forming part is provided with an inner recessed inclined surface.

[0012] Further, the bottom end of the guide part is in contact with one end of the warped plate, the outer side of the arc-shaped sliding groove on the guide part is slidably connected to the arc-shaped guide block, the first slider is obliquely arranged, the middle part of the side close to the second slider of the first slider is provided with a limiting groove, the bottom end of the limiting groove is provided with a notch matched with the top end of the arc-shaped guide rail, and the top end of the arc-shaped guide rail and the top end of the arc-shaped guide block are located at the inner lower end of the limiting groove.

[0013] Further, the top end of the first slider is flush with the top end of the forming part, the top end of the side of the first slider is provided with a slope surface in contact with the inner recessed inclined surface, the bottom end of the first slider is in contact with the other end of the warped plate, the middle part of the first slider is provided with an oblique sliding groove, the oblique sliding groove is slidably connected with an oblique guide rail, the oblique guide rail is integrally formed with a push-pull column at the end away from the oblique sliding groove, the end of the push-pull column away from the oblique guide rail is slidably connected to the corresponding guide hole and extends into the first forming frame and is connected with the driving assembly, and the end of the push-pull column close to the oblique guide rail is in contact with the other end of the warped plate.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0016] In the utility model, the forming assembly is arranged in the base, the forming assembly is internally provided with various slider mechanisms, the oblique guide rail on the push-pull column is slidably connected with the oblique sliding groove on the first slider by pulling the push-pull column, the first slider moves obliquely downwards, the first slider can apply force to one end of the warped plate, the other end of the warped plate is warped and drives the second slider to move upwards, the guide part of the second slider can obliquely move upwards under the cooperation of the arc-shaped sliding groove and the arc-shaped guide rail, the top end of the forming part moves upwards and deflects at the same time, so that the first slider is separated from the product, the second slider can push out the product, and the product can be quickly demolded. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an overall three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is an overall partial explosion structure schematic view of the utility model;

[0019] Figure 3 It is the exploded structural schematic view of the base and the arc-shaped mounting block in the utility model;

[0020] Figure 4 It is the exploded structural schematic view of the base, the side edge inlay block and the sliding block assembly in the utility model;

[0021] Figure 5 It is the sectional view structural schematic view of the base in the utility model;

[0022] Figure 6 It is the sectional view structural schematic view of the base in the utility model; Figure 4 It is the enlarged structural schematic view of A place in the utility model;

[0023] Figure 7 It is the exploded structural schematic view of the first sliding block and the second sliding block in the utility model.

[0024] The marks in the drawing are: 1, first forming frame; 2, second forming frame; 3, first arc-shaped part; 4, driving assembly; 5, third forming frame; 6, fourth forming frame; 7, second arc-shaped part; 8, injection port; 9, base; 10, protruding block; 101, arc-shaped side plate; 102, air-avoiding groove; 11, arc-shaped mounting block; 111, guide hole; 112, mounting hole; 113, arc-shaped protrusion; 114, arc-shaped inlay block; 12, side edge inlay block; 120, rectangular groove; 121, air-avoiding; 13, side edge forming block; 14, push-pull column; 140, oblique guide rail; 15, first sliding block; 150, oblique sliding groove; 151, limiting groove; 16, supporting block; 160, mounting groove; 161, stepped air-avoiding groove; 162, arc-shaped guide rail; 163, round rod; 164, warped plate; 165, arc-shaped guide block; 170, guide part; 171, forming part; 172, arc-shaped sliding groove; 173, guide protrusion. DETAILED DESCRIPTION

[0025] The present embodiment is a mold stripping mechanism, and its structural schematic view is as shown in the figure. Figures 1-7As shown, it comprises a first forming frame 1, a second forming frame 2, a third forming frame 5, a fourth forming frame 6 and a base 9, the first forming frame 1, the second forming frame 2, the third forming frame 5 and the fourth forming frame 6 are respectively arranged at the four sides of the base 9, the first forming frame 1 and the second forming frame 2 are oppositely arranged and located at the two sides of the width direction of the base 9, the third forming frame 5 and the fourth forming frame 6 are oppositely arranged and located at the two sides of the length direction of the base 9, the first forming frame 1 and the second forming frame 2 are integrally formed with a first arc-shaped part 3 at the upper end of the side close to each other, the third forming frame 5 and the fourth forming frame 6 are integrally formed with a second arc-shaped part 7 at the middle of the side close to each other, the middle of the top end of the base 9 is provided with a forming assembly, the forming assembly, the first arc-shaped part 3 and the second arc-shaped part 7 jointly enclose a convex die for product forming, the top end of the second forming frame 2 and the top end of the first arc-shaped part 3 are provided with an injection port 8 in communication with an external injection molding machine, the inside of the forming assembly is provided with a sliding block assembly for demolding; wherein the injection port 8 is externally provided with an inclined injection plunger, as the product is one out of one, the center deviation of the mold blank is large, and the mold cannot be locked during injection molding; the inside of the second forming frame 2 and below the injection port 8 are provided with an ejection insert, the inside of the insert is provided with a ejector pin for ejecting the water gap; meanwhile, the two ends and the middle position of the base 9 are provided with an ejection mechanism for unloading.

[0026] The forming assembly, the first arc-shaped part 3 and the second arc-shaped part 7 jointly enclose an arc-shaped convex die and cooperate with the arc-shaped concave die on the injection mold to form a forming cavity, after the injection molding is completed, the outward movement of the driving assembly 4 can drive the sliding block assembly to demold, and the inward movement of the driving assembly 4 can drive the sliding block assembly to lock the mold, and the upward movement of the ejection mechanism can eject the product and the water gap.

[0027] Among them, the outside of the first forming frame 1 is provided with a driving assembly 4 for opening and closing the mold, and the inside of the third forming frame 5 and the fourth forming frame 6 is provided with a inclined rod assembly for opening and closing the mold; wherein the driving assembly 4 and the inclined rod assembly are prior art.

[0028] Further, the forming assembly comprises a lug 10 integrally formed in the middle of the top end of the base 9, both ends of the lug 10 are provided with a hollow slot 102 in the middle and along the length direction of the base 9, the top end of the lug 10 is integrally formed with an arc-shaped side plate 101 at four corners and near one side of the hollow slot 102, the side opposite to the arc-shaped side plate 101 is provided with an inclined block flush with the inner wall of the hollow slot 102, the top end of the lug 10 is provided with an arc-shaped mounting block 11 in the middle, both ends of the arc-shaped mounting block 11 are provided with a mounting hole 112, and the inner wall of both sides of the mounting hole 112 is provided with a side slot in contact with the side wall of the inclined block, the top end of the arc-shaped mounting block 11 is integrally formed with an arc-shaped protrusion 113 between the two mounting holes 112, the inner top end of the arc-shaped protrusion 113 is provided with an arc-shaped slot, the arc-shaped slot is slidably provided with an arc-shaped insert block 114, the slide block assembly is provided with two, and the two slide block assemblies are respectively arranged in the two mounting holes 112, the middle of the arc-shaped mounting block 11 is provided with two symmetrically arranged guide holes 111 near one side of the first forming frame 1, and the two guide holes 111 are arranged obliquely; wherein the arc-shaped protrusion 113 and the two slide block assemblies are connected end to end to form an arc-shaped structure, which is an inner arc surface for forming a product; at the same time, the bottom end of the arc-shaped insert block 114 is integrally formed with a push rod connected with the intermediate ejection mechanism, the middle of the arc-shaped mounting block 11, the lug 10 and the base 9 are provided with inclined holes for guiding the push rod, and the intermediate ejection mechanism and the push rod can drive the arc-shaped insert block 114 to move upward and contact the inner side of the product to lift and demold.

[0029] Further, the two slider assemblies each comprise a side insert 12, a first slider 15, a second slider and a support block 16, the two side inserts 12 are slidingly fitted in the inner part of the two ends of the base 9, the top of the side close to each other of the two side inserts 12 is integrally formed with a protrusion, the inner side of the upper end of the protrusion is provided with a rectangular groove 120, the outer side of the protrusion is provided with an arc surface, the top of the protrusion and the side of the arc surface is provided with an empty space 121, the middle part of the side insert 12 is provided with an insertion hole inclined to the inner side, and the insertion hole extends upward to the middle part of the arc surface, the first pushing rod is slidingly fitted in the insertion hole, and the top of the first pushing rod is integrally formed with a side forming block 13, the support block 16 is bolted in the inner part of the empty space groove 102, and the side of the support block 16 is in contact with the inner side of the protrusion, the side of the support block 16 is provided with a mounting groove 160, the upper end of the other side of the support block 16 is provided with a stepped empty space groove 161, the other side of the stepped empty space groove 161 is provided with an arc surface, the inner wall of the mounting groove 160 and the side close to the arc surface are provided with an arc guide rail 162, the inner wall of the mounting groove 160 and the upper part of the circular rod 163 are integrally formed with an arc guide block 165; the side forming blocks 13 on both sides and the two first arc-shaped parts 3 and the two second arc-shaped parts 7 form a side cavity of the product, the bottom of the first pushing rod on both sides is hinged with the ejection mechanism on both sides, so that the ejection mechanism can move up and down, and the side forming block 13 can be moved obliquely upward through the first pushing rod to demold the two sides of the product.

[0030] Further, the middle part of the two ends of the base 9 is provided with a rectangular hole in sliding fit with the side insert 12, and the rectangular hole is in communication with the empty space groove 102, the side forming block 13 is located in the middle part of the arc surface of the protrusion, and the side of the side forming block 13 is provided with a forming arc surface flush with the arc surface on the protrusion, the outer part of the circular rod 163 is provided with a warped plate 164, one end of the warped plate 164 is located in the inner part of the empty space groove 102, and the other end of the warped plate 164 extends to the outer part of the empty space groove 102; wherein the warped plate 164 forms a seesaw structure through the circular rod 163, that is, one end of the warped plate 164 is stressed and the other end of the warped plate 164 is warped, so that the other end of the warped plate 164 is warped and the second slider is moved upward by the first slider 15, thereby facilitating demolding.

[0031] In addition, the second slider is formed by a guide portion 170 and a shaped portion 171 integrally formed at the top end of the guide portion 170, the lower end of the guide portion 170 is provided with an arc-shaped sliding groove 172 which is slidingly fitted on the arc-shaped guide rail 162, the other side of the guide portion 170 is provided with a guide protrusion 173 which is fitted with the rectangular groove 120, the top end of the shaped portion 171 is arc-shaped, one end of the shaped portion 171 close to the arc-shaped top end is opposite to the clearance 121, the other end of the shaped portion 171 is provided with an inner recessed inclined surface; wherein the lower end of the shaped portion 171 and the clearance 121 form the transition section of the top of the product and the structure on both sides thereof, the top end of the shaped portion 171 and the top end of the arc-shaped protrusion 113 are projected on the same arc line, the arc-shaped sliding groove 172 on the guide portion 170 can move along the track of the arc-shaped guide rail 162 by upward movement of the guide portion 170, and the shaped portion 171 is inclined upward, thereby lifting the product, facilitating the demolding of the product.

[0032] In addition, the bottom end of the guide portion 170 is in contact with one end of the warped plate 164, the outer side of the arc-shaped sliding groove 172 on the guide portion 170 is slidingly fitted with the arc-shaped guide block 165, the first slider 15 is inclined, the middle portion of the side of the first slider 15 close to the second slider is provided with a limiting groove 151, the bottom end of the limiting groove 151 is provided with a notch which is fitted with the top end of the arc-shaped guide rail 162, the top end of the arc-shaped guide rail 162 and the top end of the arc-shaped guide block 165 are located inside the lower end of the limiting groove 151; when one end of the warped plate 164 close to the guide portion 170 is warped, the guide protrusion 173 on the guide portion 170 can be driven to move upward in the rectangular groove 120, then the guide portion 170 is inclined upward during the movement of the arc-shaped sliding groove 172 along the track of the arc-shaped guide rail 162, at this time, the guide protrusion 173 is always sliding in the rectangular groove 120, limiting and guiding the guide portion 170; wherein the cross section of the arc-shaped guide block 165 is similar to a water droplet shape, so that it can support and guide the guide portion 170.

[0033] Moreover, the top end of the first sliding block 15 is flush with the top end of the forming part 171, one side top end of the first sliding block 15 is provided with a slope surface in contact with the inner recessed inclined surface, the bottom end of the first sliding block 15 is in contact with the other end of the flap 164, the middle part of the first sliding block 15 is provided with a slanting sliding groove 150, the slanting sliding groove 150 is internally slidably connected with a slanting guide rail 140, the slanting guide rail 140 is integrally formed with a push-pull column 14 at an end away from the slanting guide rail 140, the push-pull column 14 is slidably penetrated through the corresponding guide hole 111 and extends into the first forming frame 1 to be bolted with the driving assembly 4 at an end away from the slanting guide rail 140, and the other end of the push-pull column 14 in contact with the other end of the flap 164; wherein the slope surface on the first sliding block 15 is in contact with the guide part 170, so that the first sliding block 15 can be positioned when being reset, and the first sliding block 15 and the second sliding block can be tightly attached; the push-pull column 14 is driven by the driving assembly 4 to move outward, and under the cooperation of the slanting guide rail 140 and the slanting sliding groove 150 on the first sliding block 15, the first sliding block 15 can be driven to move downward, so that the first sliding block 15 can apply force to one end of the flap 164, and the other end of the flap 164 is lifted up, the other end of the flap 164 is lifted up and drives the guide part 170 to move upward to attach the slope surface of the first sliding block 15, so that the top of the first sliding block 15 is separated from the product, the forming part 171 is lifted up to lift up the product, and when the push-pull column 14 is reset, the first sliding block 15 can be moved upward and reset the guide part 170 until the outside of the guide part 170 is in contact with the convex strip, at this time, the top end of the first sliding block 15, the top end of the forming part 171 and the top end of the arc-shaped protrusion 113 all form an arc-shaped structure on the same arc surface.

[0034] All the technical features in the embodiment can be freely combined according to actual needs.

[0035] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A mold release mechanism characterized by, The utility model provides a product forming device, including first forming frame (1), second forming frame (2), third forming frame (5), fourth forming frame (6) and base (9), first forming frame (1), second forming frame (2), third forming frame (5) and fourth forming frame (6) are arranged at the four around of base (9) respectively, first forming frame (1) and second forming frame (2) are opposite and are located the both sides of base (9) width direction, third forming frame (5) and fourth forming frame (6) are opposite and are located the both sides of base (9) length direction, first forming frame (1) and second forming frame (2) are close to one side upper end of each other and are integrally formed with first arc type part (3), and second arc type part (7) is integrally formed with the middle part of one side of third forming frame (5) and fourth forming frame (6) and is close to each other, the middle part of the top of base (9) is equipped with forming assembly, and the top of second forming frame (2) and the top of first arc type part (3) are equipped with injection port (8) with outside injection molding machine intercommunication, and the inside of forming assembly is equipped with sliding block assembly for stripping.

2. A mold release mechanism according to claim 1, wherein: The outside of first forming frame (1) is equipped with drive assembly (4) for opening and closing mould, and the inside of third forming frame (5) and fourth forming frame (6) is equipped with inclined rod assembly for opening and closing mould.

3. A mold release mechanism according to claim 2, wherein: The forming assembly includes the protruding block (10) integrally formed in the middle part of the top of base (9), the middle part of both ends of protruding block (10) is equipped with the clearance groove (102) along the length direction of base (9), the top of protruding block (10) is integrally formed with arc side plate (101) on the side close to clearance groove (102) in four corners, the side close to each other of arc side plate (101) is equipped with inclined block flush with the inner wall of clearance groove (102), the middle part of the top of protruding block (10) is equipped with arc mounting block (11) with bolt, the middle part of both ends of arc mounting block (11) is equipped with mounting hole (112), and the inner wall of both sides of mounting hole (112) is equipped with side groove in contact with the side wall of inclined block, the top of arc mounting block (11) is integrally formed with arc protrusion (113) between two mounting holes (112), the inner part of the top of arc protrusion (113) is equipped with arc slot, the arc slot is equipped with arc inlay block (114) in sliding fit, the sliding block assembly is provided with two, and two sliding block assemblies are respectively arranged in the inside of two mounting holes (112), the middle part of arc mounting block (11) is equipped with two symmetrically arranged guide holes (111) on the side close to first forming frame (1), and two guide holes (111) are arranged in an inclined manner.

4. A mold release mechanism according to claim 3 wherein: Two said slider assemblies each include a side insert block (12), a first slider (15), a second slider and a support block (16), two said side insert blocks (12) are respectively slidably fitted in the inner part of the two ends of the base (9), the top of the side close to each other of the two said side insert blocks (12) is integrally formed with a protrusion, the inner side upper end of the protrusion is provided with a rectangular groove (120), the outer side of the protrusion is provided with an arc surface, the top of the protrusion and the side of the arc surface are provided with an empty space (121), the middle part of the side insert block (12) is provided with an insertion hole which is inclined to the inner side, and the insertion hole extends upward to the middle part of the arc surface, the first pushing rod is slidably fitted in the insertion hole, and the top of the first pushing rod is integrally formed with a side forming block (13), the support block (16) is bolted in the inner part of the empty space groove (102), and the side of the support block (16) is in contact with the inner side of the protrusion, the side of the support block (16) is provided with a mounting groove (160), the other side upper end of the support block (16) is provided with a stepped empty space groove (161), the other side of the stepped empty space groove (161) is provided with an arc surface, the inner wall of the mounting groove (160) and the side close to the arc surface are provided with an arc guide rail (162), the inner wall of the mounting groove (160) and the upper part of the circular rod (163) are integrally formed with an arc guide block (165).

5. A mold release mechanism according to claim 4 wherein: The middle part of the two ends of the base (9) is provided with a rectangular hole which is slidably fitted with the side insert block (12), and the rectangular hole is in communication with the empty space groove (102), the side forming block (13) is located in the middle part of the arc surface of the protrusion, and the side of the side forming block (13) is provided with a forming arc surface which is flush with the arc surface on the protrusion, the outer part of the circular rod (163) is provided with a warped plate (164), one end of the warped plate (164) is located in the inner part of the empty space groove (102), the other end of the warped plate (164) extends to the outer part of the empty space groove (102).

6. A mold release mechanism according to claim 5 wherein: The second slider is formed by a guide part (170) and a forming part (171) integrally formed at the top of the guide part (170), the lower end of the guide part (170) is provided with an arc-shaped sliding groove (172), and the arc-shaped sliding groove (172) is slidably fitted on the arc-shaped guide rail (162), the other side of the guide part (170) is provided with a guide protrusion (173) which is matched with the rectangular groove (120), the top of the forming part (171) is arc-shaped, the end of the forming part (171) close to the arc-shaped top is opposite to the empty space (121), the other end of the forming part (171) is provided with an inner recessed inclined surface.

7. A mold release mechanism according to claim 6 wherein: The bottom end of the guide part (170) is in contact with one end of the flap (164), the outer side of the arc-shaped sliding groove (172) on the guide part (170) is in sliding fit with the arc-shaped guide block (165), the first sliding block (15) is arranged obliquely, the middle part of the side of the first sliding block (15) close to the second sliding block is provided with a limiting groove (151), the bottom end of the limiting groove (151) is provided with a notch matched with the top end of the arc-shaped guide rail (162), and the top end of the arc-shaped guide rail (162) and the top end of the arc-shaped guide block (165) are located inside the lower end of the limiting groove (151).

8. A mold release mechanism according to claim 7, wherein: The top end of the first sliding block (15) is flush with the top end of the shaped part (171), the top end of one side of the first sliding block (15) is provided with a slope surface in contact with the inner recessed inclined surface, the bottom end of the first sliding block (15) is in contact with the other end of the flap (164), the middle part of the first sliding block (15) is provided with an oblique sliding groove (150), the oblique sliding groove (150) is internally and slidably connected with an oblique guide rail (140), one end of the oblique guide rail (140) away from the oblique sliding groove (150) is integrally formed with a push-pull column (14), one end of the push-pull column (14) away from the oblique guide rail (140) slidably penetrates through a corresponding guide hole (111) and extends into the first shaped frame (1) and is bolted with the driving assembly (4), and the other end of the push-pull column (14) close to the oblique guide rail (140) is in contact with the other end of the flap (164).

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