An automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line
Through the automated demolding system, the problem of low demolding efficiency and damage of shoe mold molds caused by manual operation is solved, and a fast and safe demolding process is achieved, and the production efficiency is improved.
Patent Information
- Application Number
- CN202411412855.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2044-10-11
AI Technical Summary
The mold release process of existing shoe molds relies on manual operations, resulting in uneven force, low deformation and low production efficiency, and easy to damage.
An automated rapid mold release system including an annular conveyor belt, a robotic arm, an injection gun, an opening and closing mechanism, a ventilation mechanism and a mold release mechanism are designed, and the mold release system is automatically used to realize the mold's automatic operation by using hydraulic connecting claws, electromagnets, self-drive slide rails and drive motors. Opening and closing and releasing, volatilization is accelerated by spraying the release agent and ventilation, and the shoe mold core is clamped with a shovel block.
Improve the demolding efficiency, avoid manual operation errors, and ensure complete mold separation and improved production efficiency.
Smart Images

Figure CN118906359B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of shoe mold demoulding, and in particular to an automatic rapid demoulding mechanism and method for a shoe mold core used in a shoe production line. Background Art
[0002] Shoe molds usually refer to molds for sports shoes, beach shoes, slippers, rubber shoes and other footwear, with sports shoes being the main ones. Molds refer to various molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping, stretching and other methods.
[0003] The existing shoe molds are mostly demoulded by manual operation, that is, the mold is opened manually, and the shoe mold core is taken out of the mold by auxiliary tools such as demoulding hammer and demoulding rod. However, this method is prone to deformation due to uneven force during use, which may cause damage to the mold due to improper operation. At the same time, manual demoulding is slow, which will reduce production efficiency. Summary of the invention
[0004] Based on the above-mentioned existing technical problems, the present invention proposes an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line.
[0005] The present invention proposes an automatic rapid demolding mechanism for a shoe mold core for a shoemaking production line, comprising an annular conveyor belt and a mold arranged on the upper surface of the annular conveyor belt, the outer surface of the annular conveyor belt is respectively provided with a mechanical arm for spraying a demolding agent on the mold and an injection molding gun for injecting molding into the mold, the surface of the annular conveyor belt is provided with an opening and closing mechanism for opening or closing the mold, and a first support frame and a second support frame are respectively installed on both side surfaces of the annular conveyor belt close to the mechanical arm, the surface of the first support frame is provided with a ventilation mechanism, and the surface of the second support frame is provided with a demolding mechanism.
[0006] Wherein, the opening and closing mechanism is used to automatically open or close the mold as needed.
[0007] Wherein, the ventilation mechanism is used to ventilate the mold surface sprayed with the release agent to accelerate the volatilization of the release agent.
[0008] Wherein, the demoulding mechanism is used to automatically take out the shoe mold core that has been injection molded in the mold.
[0009] Preferably, the opening and closing mechanism includes an annular bracket installed on the upper surface of the annular conveyor belt, an annular guide rail is fixedly installed on the outer surface of the annular bracket, and two moving blocks are slidably engaged with the surface of the annular guide rail, and the two moving blocks are symmetrically distributed on the side surface away from the annular guide rail, and one end of the piston rod of the pushing cylinder is fixedly connected with a hydraulic connecting claw, and storage grooves are evenly penetrated on both sides of the surface of the annular conveyor belt, and an articulated rod group composed of two long rods hingedly connected is provided on the inner wall of the storage groove, and springs are provided on the surfaces of the articulated rod group located on the same side of the annular conveyor belt, and a first slot is provided at one end of the articulated rod group, and the surface of the hydraulic connecting claw is slidably engaged with the inner wall of the first slot.
[0010] Through the above technical scheme, the extension and retraction of the cylinder piston rod drives the hydraulic connecting claw connected to it to move, thereby facilitating the driving of the hydraulic connecting claw to engage with the first slot, and as the hydraulic connecting claw opens, it is fixed together with the first slot, thereby facilitating the change of the articulated rod group as the extension and retraction of the cylinder piston rod is driven.
[0011] Preferably, the other end of the hinged rod group is hinged with a first hinged seat, and a clamping column is fixedly connected to the surface of the first hinged seat on one side close to the mold, and an electromagnet is provided at the end of the clamping column away from the first hinged seat. A second clamping groove is opened on the surface of the mold, and the surface of the clamping column is slidably engaged with the inner wall of the second clamping groove.
[0012] Through the above technical solution, as the clamping column is clamped with the second clamping groove, and the electromagnet is energized to generate a magnetic field, the first hinge seat and the mold are adsorbed, so that the mold is easily opened or closed.
[0013] Preferably, grooves are evenly provided on both sides of the surface of the endless conveyor belt, a connecting shaft is installed on the inner wall of the groove through a bearing, an elastic tube is fixedly sleeved on the surface of the connecting shaft, a second hinged seat is hinged at one end of the elastic tube away from the connecting shaft, and one side surface of the second hinged seat and the surface of the mold are also adsorbed by the electromagnet.
[0014] Through the above technical solution, as the mold is closed, the elastic tube is driven to deform through the second hinge seat, thereby facilitating the support of the mold.
[0015] Preferably, the ventilation mechanism comprises a fan fixedly mounted on the upper surface of the first support frame, an air outlet of the fan extends into the first support frame, and a heat dissipation port is provided on the upper surface of the first support frame.
[0016] Through the above technical solution, the mold surface sprayed with the release agent below the first support frame is ventilated by the fan.
[0017] Preferably, a folding cover is provided on the inner top surface of the first support frame, and a first self-driving slide rail is symmetrically distributed on the inner surface of the first support frame, and a slider surface of the first self-driving slide rail is fixedly connected to the lower surface of the folding cover.
[0018] Through the above technical solution, the folding cover is extended by the movement of the slider on the first self-driving slide rail, so that the mold located below the first support frame can be wrapped inside, thereby achieving a better ventilation effect.
[0019] Preferably, the demoulding mechanism includes a second self-driving slide rail fixedly mounted on the inner surface of the second support frame, the surface of the slider of the second self-driving slide rail is symmetrically provided with telescopic cylinders, one end of the piston rod of the telescopic cylinder is fixedly connected with a connecting plate, and the surface of the connecting plate on one side away from the telescopic cylinder is symmetrically provided with shovel blocks.
[0020] Through the above technical solution, the movement of the slider on the second self-driving slide rail drives the connecting plate to move through the telescopic cylinder, thereby driving the shovel block to move linearly left and right, and the extension and retraction of the telescopic cylinder piston rod drives the shovel block to move linearly up and down.
[0021] Preferably, a driving motor is fixedly mounted on one side surface of the connecting plate, a rotating shaft is mounted on the inner wall of the connecting plate via a bearing, one end of the output shaft of the driving motor is fixedly sleeved with one end of the rotating shaft, and first bevel gears are fixedly sleeved at both ends of the rotating shaft.
[0022] Through the above technical solution, the rotation of the output shaft of the driving motor drives the rotating shaft connected thereto to rotate, and the rotation of the rotating shaft drives the two first bevel gears connected thereto to rotate.
[0023] Preferably, the surface of one side of the connecting plate away from the telescopic cylinder is provided with sliding grooves symmetrically distributed on the left and right sides, and the inner walls of the two sliding grooves are equipped with linkage shafts through bearings, and the surfaces of the two linkage shafts are fixedly sleeved with the surfaces of the two shovel blocks respectively, and the ends of the two linkage shafts close to the rotating shaft are fixedly sleeved with second bevel gears, and the surface of the second bevel gear is meshed with the surface of the first bevel gear.
[0024] Through the above technical solution, the rotation of the two first bevel gears respectively drives the two second bevel gears meshing therewith to rotate, the rotation of the second bevel gears drives the linkage shaft connected thereto to rotate, the rotation of the linkage shaft drives the shovel block connected thereto to rotate, and according to the distribution of the first bevel gears and the second bevel gears, the two shovel blocks rotate relative to each other.
[0025] The present invention provides a demoulding method for an automatic rapid demoulding mechanism for a shoe mold core used in a shoe production line, and the demoulding method is as follows:
[0026] S1. The mold is placed on the circular conveyor in an open state and transported clockwise. When the next mold is transported to the location of the current mold, the circular conveyor stops running for a period of time to facilitate operation;
[0027] S2, the robot arm sprays a mold release agent on the surface of the mold in front of the circular conveyor when the circular conveyor stops running. After spraying the mold release agent, the robot arm sprays the mold release agent on the surface of the next mold in front of the circular conveyor as the circular conveyor runs;
[0028] S3, with the operation of the endless conveyor belt, the mold sprayed with the release agent is located below the first support frame, the first self-driving slide rail is started, the downward movement of the slider on the first self-driving slide rail drives the folding cover to extend and cover the mold, and then the fan is started to ventilate the mold surface to accelerate the volatilization of the release agent, and the generated heat is dissipated through the heat dissipation port, and then the slider of the first self-driving slide rail drives the folding cover to reset;
[0029] S4, with the transportation of the endless conveyor belt, the next mold is located under the first support frame for ventilation;
[0030] S5. When the mold is transported to the front of the injection molding gun, the piston rod of the hydraulic cylinder is extended to drive the muzzle of the injection molding gun close to the injection port on the mold, and then the inside of the mold is injected. At the same time, the piston rod of the cylinder is pushed to drive the hydraulic connection claw to engage with the first clamping groove, and the hydraulic connection claw is opened to further improve the connection between the hydraulic connection claw and the first clamping groove, and then the clamping column is engaged with the second clamping groove, and the second articulated seat is in contact with the mold surface. After the electromagnet is energized, the clamping column and the second clamping groove and the second articulated seat are adsorbed together with the mold surface;
[0031] S6. After the injection molding is completed, the piston rod of the push cylinder extends to drive the articulated rod group to extend, stretch the spring, and at the same time extend the elastic tube, so as to close the mold, and then the electromagnet is powered off, and under the action of the push cylinder and the elastic force of the spring and the elastic force of the elastic tube, the first articulated seat and the second articulated seat are moved away from the mold and reset before the next mold arrives;
[0032] S7, the mold after injection molding is cooled as it is transported by the endless conveyor belt, and when the mold after injection molding is transported to the bottom of the second support frame, the cylinder piston rod is pushed to extend to drive the hinged rod group to extend, and the clamping column is clamped with the second clamping groove on the mold under the movement trend, and then the electromagnet is energized to open the mold;
[0033] S8, then start the second self-driving slide rail, the movement of the slider on the second self-driving slide rail drives the connecting plate to move through the telescopic cylinder, and then drives the two shovel blocks on the same connecting plate to align with the two ends of the shoe mold core that has been injection molded in the mold, and the extension of the telescopic cylinder piston rod drives the shovel block to move down and contact the shoe mold core, and then start the driving motor, the rotation of the driving motor output shaft drives the rotating shaft connected to it to rotate, the rotation of the rotating shaft drives the two first bevel gears connected to it to rotate, the rotation of the two first bevel gears respectively drives the two second bevel gears meshing with it to rotate, the rotation of the second bevel gear drives the linkage shaft connected to it to rotate, the rotation of the linkage shaft drives the shovel block connected to it to rotate, due to the distribution of the first bevel gear and the second bevel gear, the two shovel blocks rotate relative to each other, and the rotation angle of the driving motor output shaft is set, so that the two shovel blocks can take out the shoe mold core.
[0034] The beneficial effects of the present invention are:
[0035] 1. By setting up a ventilation mechanism, it is convenient to accelerate the volatilization of the release agent on the mold, so that the mold can be better injected. At the same time, the use of the release agent is convenient for removing the molded shoe mold core, and it can also prevent the raw materials from adhering to the mold surface, thereby improving the demoulding efficiency.
[0036] 2. By setting up an opening and closing mechanism, it is convenient to replace the manual opening and closing method of the mold, and automatically close or open the mold at the appropriate position as needed, thereby improving the opening and closing efficiency, and avoiding errors caused by human operation, thereby improving production efficiency.
[0037] 3. By setting up a demoulding mechanism, a shovel block is inserted into the gap between the mold and the shoe mold core, and the shoe mold core is clamped and taken out by the relative rotation of the two shovel blocks, so as to avoid the problem of uneven force in manual operation, so that the shoe mold core can be completely removed, and the demoulding speed can be accelerated, thereby improving the demoulding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] Figure 1 A schematic diagram of an automatic rapid demoulding mechanism and method for a shoe mold core used in a shoe production line proposed by the present invention;
[0039] Figure 2 A three-dimensional diagram of the structure of an annular conveyor belt of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0040] Figure 3 A three-dimensional diagram of the second slot structure of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0041] Figure 4 A three-dimensional diagram of the structure of a moving block of an automatic rapid demoulding mechanism and method for a shoe mold core used in a shoe production line proposed by the present invention;
[0042] Figure 5 A three-dimensional diagram of the structure of a driving cylinder of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0043] Figure 6 A three-dimensional diagram of the hydraulic connection claw structure of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0044] Figure 7 A three-dimensional diagram of the storage slot structure of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0045] Figure 8 A three-dimensional diagram of the electromagnet structure of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0046] Fig. 9 A three-dimensional diagram of the structure of an articulated rod group of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0047] Fig.10 A three-dimensional diagram of the folding cover structure of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0048] Fig.11 A three-dimensional diagram of the first self-driving slide rail structure of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0049] Fig.12 A three-dimensional diagram of the second self-driving slide rail structure of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0050] Fig.13 A three-dimensional diagram of the rotating shaft structure of an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention;
[0051] Fig.14 This is a stereoscopic diagram of the second bevel gear structure of an automated rapid demoulding mechanism and method for shoe mold cores used in a shoe production line proposed by the present invention.
[0052] In the figure: 1, annular conveyor belt; 2, mold; 3, mechanical arm; 4, injection gun; 5, annular bracket; 501, annular guide rail; 502, moving block; 503, pushing cylinder; 504, hydraulic connection claw; 505, storage slot; 506, hinge rod group; 507, spring; 508, first clamping slot; 509, first hinge seat; 510, clamping column; 511, electromagnet; 512, second clamping slot; 513, groove; 514, connecting shaft ; 515, elastic tube; 516, second hinged seat; 6, first support frame; 7, second support frame; 8, fan; 81, heat dissipation port; 82, folding cover; 83, first self-driven slide rail; 9, second self-driven slide rail; 901, telescopic cylinder; 902, connecting plate; 903, shovel block; 904, driving motor; 905, rotating shaft; 906, first bevel gear; 907, slide groove; 908, linkage shaft; 909, second bevel gear. DETAILED DESCRIPTION
[0053] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0054] Reference Figure 1-Figure 14 , an automatic rapid demoulding mechanism for a shoe mold core for a shoe production line, comprising an endless conveyor belt 1 and a mold 2 arranged on the upper surface of the endless conveyor belt 1, a mechanical arm 3 for spraying a demoulding agent on the mold 2 and an injection gun 4 for injecting molding into the mold 2 are respectively arranged on the outer surface of the endless conveyor belt 1, an opening and closing mechanism for opening or closing the mold 2 is arranged on the surface of the endless conveyor belt 1, and a first support frame 6 and a second support frame 7 are respectively installed on the two side surfaces of the endless conveyor belt 1 close to the mechanical arm 3, a ventilation mechanism is arranged on the surface of the first support frame 6, and a demoulding mechanism is arranged on the surface of the second support frame 7.
[0055] Among them, in order to automatically open or close the mold 2 as needed, the opening and closing mechanism is provided, which includes an annular bracket 5 installed on the upper surface of the annular conveyor 1, and an annular guide rail 501 is fixedly installed on the outer surface of the annular bracket 5. Two moving blocks 502 are slidably clamped on the surface of the annular guide rail 501. The two moving blocks 502 are symmetrically distributed on the side surface away from the annular guide rail 501, and a pushing cylinder 503 is arranged. One end of the piston rod of the pushing cylinder 503 is fixedly connected with a hydraulic connection claw 504. The surface of the annular conveyor 1 is evenly penetrated with receiving grooves 505, and the inner wall of the receiving groove 505 is provided with a hinge composed of two long rods. The articulated rod group 506, the surfaces of the articulated rod groups 506 located on the same side of the endless conveyor belt 1 are all provided with springs 507, one end of the articulated rod group 506 is provided with a first slot 508, the surface of the hydraulic connecting claw 504 is slidably engaged with the inner wall of the first slot 508, and the hydraulic connecting claw 504 connected thereto is driven to move by the extension and contraction of the piston rod of the pushing cylinder 503, thereby facilitating the driving of the hydraulic connecting claw 504 to engage with the first slot 508, and as the hydraulic connecting claw 504 opens, it is fixed together with the first slot 508, thereby facilitating the change of the articulated rod group 506 as the extension and contraction of the piston rod of the pushing cylinder 503 drives it.
[0056] In order to connect the hinged rod group 506 with the mold 2, a first hinged seat 509 is hinged at the other end of the hinged rod group 506, and a clamping column 510 is fixedly connected to the surface of the first hinged seat 509 close to the mold 2. An electromagnet 511 is provided at the end of the clamping column 510 away from the first hinged seat 509. A second clamping groove 512 is opened on the surface of the mold 2, and the surface of the clamping column 510 is slidably engaged with the inner wall of the second clamping groove 512. As the clamping column 510 is engaged with the second clamping groove 512 and the electromagnet 511 is energized to generate a magnetic field, the first hinged seat 509 and the mold 2 are adsorbed, thereby facilitating the mold 2 to be in an open or closed state.
[0057] In order to support the mold 2, grooves 513 are evenly opened on both sides of the surface of the circular conveyor belt 1, and a connecting shaft 514 is installed on the inner wall of the groove 513 through a bearing. An elastic tube 515 is fixedly sleeved on the surface of the connecting shaft 514, and a second hinge seat 516 is hinged on the end of the elastic tube 515 away from the connecting shaft 514. One side surface of the second hinge seat 516 and the surface of the mold 2 are also adsorbed by the electromagnet 511. As the mold 2 is closed, the elastic tube 515 is deformed through the second hinge seat 516, thereby facilitating the support of the mold 2.
[0058] By setting up an opening and closing mechanism, it is convenient to replace the manual opening and closing method of the mold 2, and automatically close or open the mold 2 at a suitable position as needed, thereby improving the opening and closing efficiency and avoiding errors caused by human operation, thereby improving production efficiency.
[0059] Among them, in order to ventilate the surface of the mold 2 sprayed with the release agent and accelerate the volatilization of the release agent, the ventilation mechanism provided includes a fan 8 fixedly installed on the upper surface of the first support frame 6, the air outlet of the fan 8 extends into the first support frame 6, and a heat dissipation port 81 is opened on the upper surface of the first support frame 6. The fan 8 is used to ventilate the surface of the mold 2 sprayed with the release agent located below the first support frame 6.
[0060] In order to improve the ventilation efficiency and prevent the release agent from being contaminated, a folding cover 82 is arranged on the inner top surface of the first support frame 6, and the inner surface of the first support frame 6 is symmetrically distributed with a first self-driving slide rail 83. The slider surface of the first self-driving slide rail 83 is fixedly connected to the lower surface of the folding cover 82. The movement of the slider on the first self-driving slide rail 83 drives the folding cover 82 to extend, thereby facilitating the wrapping of the mold 2 located under the first support frame 6 inside, thereby achieving a better ventilation effect.
[0061] By setting up a ventilation mechanism, the volatilization of the release agent on the mold 2 can be accelerated, so that the mold 2 can be better injected. At the same time, the use of the release agent facilitates the removal of the molded shoe mold core and prevents the raw materials from adhering to the surface of the mold 2, thereby improving the demoulding efficiency.
[0062] Among them, in order to automatically remove the shoe mold core that has been injection-molded in the mold 2, a demolding mechanism is provided, including a second self-driving slide rail 9 fixedly installed on the inner surface of the second support frame 7, and the surface of the slider of the second self-driving slide rail 9 is symmetrically distributed with telescopic cylinders 901, and one end of the piston rod of the telescopic cylinder 901 is fixedly connected to a connecting plate 902, and the surface of the connecting plate 902 on the side away from the telescopic cylinder 901 is symmetrically distributed with shovel blocks 903. The movement of the slider on the second self-driving slide rail 9 drives the connecting plate 902 to move through the telescopic cylinder 901, thereby driving the shovel block 903 to move linearly left and right, and the telescopic movement of the piston rod of the telescopic cylinder 901 drives the shovel block 903 to move linearly up and down.
[0063] In order to drive the two shovel blocks 903 to rotate relative to each other, thereby facilitating the removal of the shoe mold core, a driving motor 904 is fixedly installed on the surface of one side of the connecting plate 902, and a rotating shaft 905 is installed on the inner wall of the connecting plate 902 through a bearing. One end of the output shaft of the driving motor 904 is fixedly sleeved with one end of the rotating shaft 905, and both ends of the rotating shaft 905 are fixedly sleeved with a first bevel gear 906. A surface of the connecting plate 902 on one side away from the telescopic cylinder 901 is symmetrically distributed with slide grooves 907, and the inner walls of the two slide grooves 907 are installed with linkage shafts 908 through bearings. The surfaces of the two linkage shafts 908 are respectively fixedly sleeved with the surfaces of the two shovel blocks 903, and one end of the two linkage shafts 908 close to the rotating shaft 905 is fixedly sleeved. The ends are fixedly sleeved with second bevel gears 909, the surface of the second bevel gear 909 is meshed with the surface of the first bevel gear 906, and the rotation of the output shaft of the driving motor 904 drives the rotating shaft 905 connected thereto to rotate, and the rotation of the rotating shaft 905 drives the two first bevel gears 906 connected thereto to rotate, and the rotation of the two first bevel gears 906 respectively drives the two second bevel gears 909 meshed therewith to rotate, and the rotation of the second bevel gear 909 drives the linkage shaft 908 connected thereto to rotate, and the rotation of the linkage shaft 908 drives the shovel block 903 connected thereto to rotate, and according to the distribution of the first bevel gear 906 and the second bevel gear 909, the two shovel blocks 903 rotate relative to each other.
[0064] By setting up a demoulding mechanism, a shovel block 903 is inserted into the gap between the mold 2 and the shoe mold core, and the shoe mold core is clamped and removed by relative rotation of the two shovel blocks 903, thereby avoiding the problem of uneven force during manual operation, allowing the shoe mold core to be completely removed and accelerating the demoulding speed, thereby improving the demoulding efficiency.
[0065] Reference Figure 1-Figure 14 , a demoulding method of an automatic rapid demoulding mechanism for a shoe mold core used in a shoe production line, wherein the demoulding method is:
[0066] S1, the mold 2 is placed on the ring conveyor 1 in an open state for clockwise transportation, and when the next mold 2 is transported to the position of the current mold 2, the ring conveyor 1 stops running for a period of time to facilitate operation;
[0067] S2, the robot arm 3 sprays the release agent on the surface of the mold 2 located in front of the endless conveyor 1 when the endless conveyor 1 stops running. After spraying the release agent, the robot arm 3 sprays the release agent on the surface of the next mold 2 located in front of it as the endless conveyor 1 runs;
[0068] S3, with the operation of the endless conveyor belt 1, the mold 2 sprayed with the release agent is located below the first support frame 6, the first self-driving slide rail 83 is started, the downward movement of the slider on the first self-driving slide rail 83 drives the folding cover 82 to extend and cover the mold 2, and then the fan 8 is started to ventilate the surface of the mold 2 to accelerate the volatilization of the release agent, and the generated heat is dissipated through the heat dissipation port 81, and then the slider of the first self-driving slide rail 83 drives the folding cover 82 to reset;
[0069] S4, with the transportation of the endless conveyor belt 1, the next mold 2 is located under the first support frame 6 for ventilation;
[0070] S5. When the mold 2 is transported to the front of the injection molding gun 4, the extension of the piston rod of the hydraulic cylinder drives the muzzle of the injection molding gun 4 close to the injection port on the mold 2, and then the inside of the mold 2 is injected. At the same time, the piston rod of the cylinder 503 is pushed to drive the hydraulic connection claw 504 to engage with the first clamping groove 508, and the hydraulic connection claw 504 is opened to further improve the connection between the hydraulic connection claw 504 and the first clamping groove 508, and then the clamping column 510 is engaged with the second clamping groove 512, and the second articulated seat 516 is in contact with the surface of the mold 2. After the electromagnet 511 is energized, the clamping column 510 and the second clamping groove 512 as well as the second articulated seat 516 are adsorbed together with the surface of the mold 2;
[0071] S6, after the injection molding is completed, the piston rod of the push cylinder 503 is extended to drive the hinge rod group 506 to extend, the spring 507 is stretched, and the elastic tube 515 is extended, so as to close the mold 2, and then the electromagnet 511 is powered off, and under the action of the push cylinder 503 and the elastic force of the spring 507 and the elastic force of the elastic tube 515, the first hinge seat 509 and the second hinge seat 516 are moved away from the mold 2 and reset before the next mold 2 arrives;
[0072] S7, the mold 2 after injection molding is cooled as it is transported by the endless conveyor belt 1, and when the mold 2 after injection molding is transported to the bottom of the second support frame 7, the piston rod of the cylinder 503 is pushed to extend, driving the hinge rod group 506 to extend, and under the movement trend, the clamping column 510 is clamped with the second clamping groove 512 on the mold 2, and then the electromagnet 511 is energized to open the mold 2;
[0073] S8, then start the second self-driving slide rail 9, the movement of the slider on the second self-driving slide rail 9 drives the connecting plate 902 to move through the telescopic cylinder 901, and then drives the two shovel blocks 903 on the same connecting plate 902 to align with the two ends of the shoe mold core that has been injection molded in the mold 2, and the extension of the piston rod of the telescopic cylinder 901 drives the shovel block 903 to move down and contact the shoe mold core, and then start the driving motor 904, the rotation of the output shaft of the driving motor 904 drives the rotating shaft 905 connected to it to rotate, and the rotation of the rotating shaft 905 drives the two connected to it The first bevel gear 906 rotates, and the rotation of the two first bevel gears 906 drives the two second bevel gears 909 meshing therewith to rotate respectively. The rotation of the second bevel gear 909 drives the linkage shaft 908 connected thereto to rotate. The rotation of the linkage shaft 908 drives the shovel block 903 connected thereto to rotate. Due to the distribution of the first bevel gear 906 and the second bevel gear 909, the two shovel blocks 903 rotate relative to each other, and the rotation angle of the output shaft of the driving motor 904 is set to facilitate the two shovel blocks 903 to take out the shoe mold core.
[0074] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An automatic rapid demoulding mechanism for a shoe mold core used in a shoe production line, comprising an endless conveyor belt (1) and a mold (2) arranged on the upper surface of the endless conveyor belt (1), wherein the outer surface of the endless conveyor belt (1) is respectively provided with a mechanical arm (3) for spraying a demoulding agent on the mold (2) and an injection gun (4) for injecting molding into the mold (2), characterized in that: The surface of the endless conveyor belt (1) is provided with an opening and closing mechanism for opening or closing the mold (2), and the two side surfaces of the endless conveyor belt (1) close to the mechanical arm (3) are respectively installed with a first support frame (6) and a second support frame (7), the surface of the first support frame (6) is provided with a ventilation mechanism, and the surface of the second support frame (7) is provided with a demoulding mechanism; The opening and closing mechanism is used to automatically open or close the mold (2) as required, and the opening and closing mechanism comprises an annular bracket (5) mounted on the upper surface of the annular conveyor (1), an annular guide rail (501) being fixedly mounted on the outer surface of the annular bracket (5), two moving blocks (502) being slidably clamped on the surface of the annular guide rail (501), and a push cylinder (503) being symmetrically distributed on the surface of the two moving blocks (502) away from the annular guide rail (501), one end of the piston rod of the push cylinder (503) being fixedly connected to a hydraulic connection claw (504), and storage grooves (505) being evenly penetrated on both sides of the surface of the annular conveyor (1), and an articulated rod group (505) consisting of two long rods hingedly connected is provided on the inner wall of the storage groove (505). 06), a spring (507) is arranged on the surface of the hinged rod group (506) located on the same side of the endless conveyor belt (1), a first clamping groove (508) is provided at one end of the hinged rod group (506), the surface of the hydraulic connection claw (504) is slidably engaged with the inner wall of the first clamping groove (508), the other end of the hinged rod group (506) is hinged with a first hinged seat (509), a clamping column (510) is fixedly connected to the surface of the first hinged seat (509) on the side close to the mold (2), an electromagnet (511) is arranged on the end of the clamping column (510) away from the first hinged seat (509), a second clamping groove (512) is provided on the surface of the mold (2), the surface of the clamping column (510) is slidably engaged with the inner wall of the second clamping groove (512); Wherein, the ventilation mechanism is used to ventilate the surface of the mold (2) sprayed with the release agent, so as to accelerate the volatilization of the release agent; The demoulding mechanism is used to automatically remove the shoe mold core that has been injection molded in the mold (2).
2. The automatic rapid demoulding mechanism for shoe mold cores used in a shoe production line according to claim 1, characterized in that: Grooves (513) are evenly formed on both sides of the surface of the endless conveyor belt (1); a connecting shaft (514) is mounted on the inner wall of the groove (513) via a bearing; an elastic tube (515) is fixedly sleeved on the surface of the connecting shaft (514); an end of the elastic tube (515) away from the connecting shaft (514) is hingedly connected to a second hinge seat (516); a side surface of the second hinge seat (516) and a surface of the mold (2) are also adsorbed by the electromagnet (511).
3. The automatic rapid demoulding mechanism for shoe mold cores used in a shoe production line according to claim 2, characterized in that: The ventilation mechanism comprises a fan (8) fixedly mounted on the upper surface of the first support frame (6), an air outlet of the fan (8) extending into the first support frame (6), and a heat dissipation port (81) is provided on the upper surface of the first support frame (6).
4. The automatic rapid demoulding mechanism for shoe mold cores used in a shoe production line according to claim 3, characterized in that: The inner top surface of the first support frame (6) is provided with a folding cover (82), and the inner surface of the first support frame (6) is provided with first self-driving slide rails (83) in a left-right symmetrical distribution, and the sliding block surface of the first self-driving slide rail (83) is fixedly connected to the lower surface of the folding cover (82).
5. The automatic rapid demoulding mechanism for shoe mold cores used in a shoe production line according to claim 4, characterized in that: The demoulding mechanism comprises a second self-driving slide rail (9) fixedly mounted on the inner surface of the second support frame (7); telescopic cylinders (901) are symmetrically arranged on the surface of the slider of the second self-driving slide rail (9); a connecting plate (902) is fixedly connected to one end of the piston rod of the telescopic cylinder (901); and shovel blocks (903) are symmetrically arranged on the surface of the connecting plate (902) away from the telescopic cylinder (901).
6. The automatic rapid demoulding mechanism for shoe mold cores used in a shoe production line according to claim 5, characterized in that: A driving motor (904) is fixedly mounted on one side surface of the connecting plate (902); a rotating shaft (905) is mounted on the inner wall of the connecting plate (902) via a bearing; one end of an output shaft of the driving motor (904) is fixedly sleeved with one end of the rotating shaft (905); and first bevel gears (906) are fixedly sleeved at both ends of the rotating shaft (905).
7. The automatic rapid demoulding mechanism for shoe mold cores used in a shoe production line according to claim 6, characterized in that: The surface of the connecting plate (902) on one side away from the telescopic cylinder (901) is provided with sliding grooves (907) in a symmetrical manner on both sides. The inner walls of the two sliding grooves (907) are both provided with linkage shafts (908) via bearings. The surfaces of the two linkage shafts (908) are respectively fixedly sleeved with the surfaces of the two shovel blocks (903). The ends of the two linkage shafts (908) close to the rotating shaft (905) are both fixedly sleeved with second bevel gears (909). The surface of the second bevel gear (909) is meshed with the surface of the first bevel gear (906).
8. A demoulding method of the automatic rapid demoulding mechanism for shoe mold cores used in a shoe production line according to claim 7, wherein the demoulding method comprises: S1, the mold (2) is placed on the circular conveyor (1) in an open state and transported clockwise, and when the next mold (2) is transported to the position of the current mold (2), the circular conveyor (1) stops running for a period of time to facilitate operation; S2, the robot arm (3) sprays a mold release agent on the surface of the mold (2) located in front of the circular conveyor (1) when the circular conveyor (1) stops running. After spraying the mold release agent, as the circular conveyor (1) runs, the robot arm (3) sprays the mold release agent on the surface of the next mold (2) located in front of it; S3, as the endless conveyor belt (1) runs, the mold (2) on which the release agent has been sprayed is located below the first support frame (6), the first self-driving slide rail (83) is started, the slider on the first self-driving slide rail (83) moves downward, driving the folding cover (82) to extend and cover the mold (2), then the fan (8) is started to ventilate the surface of the mold (2), accelerate the volatilization of the release agent, and the generated heat is dissipated through the heat dissipation port (81), and then the slider of the first self-driving slide rail (83) drives the folding cover (82) to reset; S4, as the endless conveyor belt (1) is transported, the next mold (2) is located below the first support frame (6) for ventilation; S5. When the mold (2) is transported to the front of the injection molding gun (4), the piston rod of the hydraulic cylinder is extended to drive the muzzle of the injection molding gun (4) close to the injection port on the mold (2), thereby performing injection molding on the inside of the mold (2). At the same time, the piston rod of the air cylinder (503) is pushed to drive the hydraulic connection claw (504) to engage with the first clamping groove (508), and the hydraulic connection claw (504) is opened to further improve the connection between the hydraulic connection claw (504) and the first clamping groove (508), and then the clamping column (510) is engaged with the second clamping groove (512), and the second hinge seat (516) is in contact with the surface of the mold (2). After the electromagnet (511) is energized, the clamping column (510) and the second clamping groove (512) and the second hinge seat (516) and the surface of the mold (2) are adsorbed together; S6, after the injection molding is completed, the piston rod of the push cylinder (503) is extended to drive the hinge rod group (506) to extend, stretch the spring (507), and at the same time extend the elastic tube (515), thereby closing the mold (2), and then the electromagnet (511) is powered off, and under the action of the elastic force of the push cylinder (503) and the spring (507) and the elastic force of the elastic tube (515), the first hinge seat (509) and the second hinge seat (516) are moved away from the mold (2) and reset before the next mold (2) arrives; S7, the mold (2) after injection molding is cooled as it is transported by the endless conveyor belt (1), and when the mold (2) after injection molding is transported to the bottom of the second support frame (7), the piston rod of the cylinder (503) is pushed to extend, driving the hinge rod group (506) to extend, and under the movement trend, the clamping column (510) is clamped with the second clamping groove (512) on the mold (2), and then the electromagnet (511) is energized to open the mold (2); S8, then start the second self-driving slide rail (9), the movement of the slider on the second self-driving slide rail (9) drives the connecting plate (902) to move through the telescopic cylinder (901), thereby driving the two shovel blocks (903) on the same connecting plate (902) to align with the two ends of the shoe mold core that has been injection molded in the mold (2), the extension of the piston rod of the telescopic cylinder (901) drives the shovel block (903) to move downward to contact the shoe mold core, and then start the driving motor (904), the rotation of the output shaft of the driving motor (904) drives the rotating shaft (905) connected thereto to rotate, and the rotation of the rotating shaft (905) drives the two connected thereto to rotate. The first bevel gears (906) rotate, and the rotation of the two first bevel gears (906) drives the two second bevel gears (909) meshing therewith to rotate respectively. The rotation of the second bevel gears (909) drives the linkage shaft (908) connected thereto to rotate, and the rotation of the linkage shaft (908) drives the shovel block (903) connected thereto to rotate. Due to the distribution of the first bevel gears (906) and the second bevel gears (909), the two shovel blocks (903) rotate relative to each other, and the rotation angle of the output shaft of the driving motor (904) is set, so that the two shovel blocks (903) can take out the shoe mold core.
Citation Information
Patent Citations
Injection mold with deformed mold core
CN112428518A
Efficient multi-station integrated injection molding machine
CN114290602A
