Automatic sole forming machine

Abstract

The utility model relates to the field of sole production, and particularly discloses an automatic sole forming machine. The automatic shoe sole forming machine comprises a machine body, a rotating disc rotationally installed on the machine body and a plurality of forming molds installed on the upper side of the rotating disc, a driving mechanism used for pushing the forming molds to move is installed on the lower side of the machine body, and a plurality of through holes allowing the upper end of the driving mechanism to penetrate through are formed in the rotating disc. The upper side of the rotating disc is connected with a plurality of positioning pieces used for limiting the forming molds, one side of the machine body is provided with an injection molding base used for injecting raw materials into the forming molds, the lower end of the machine body is provided with a transmission mechanism used for driving the rotating disc to rotate, and the upper end of the machine body is provided with a cooling mechanism used for cooling the forming molds. Continuous forming of a plurality of shoe soles can be achieved, the mold replacement and waiting time is shortened, meanwhile, the driving mechanism can accurately push the mold to move to the injection molding station, it is ensured that shoe sole raw materials can be accurately injected into the mold, waste of the raw materials is reduced, and the production efficiency of the shoe soles is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shoe sole production, in particular to a shoe sole automatic forming machine. BACKGROUND

[0002] The shoe sole is an important part of the shoe, which directly contacts with the ground and supports the whole shoe body and the weight of the human body. At the same time, the shoe sole can prevent the sharp objects on the ground from hurting the feet and plays a protective role. The shoe sole forming machine is used to complete the forming of the shoe sole.

[0003] The existing shoe sole forming machine is mostly composed of a rack, a rotating disc mechanism, a mold, an injection molding machine and the like. The rack serves as a support frame of the whole machine. The rotating disc mechanism is used to carry the mold and realize the circulation of the mold between different stations through rotation. The injection molding machine is responsible for injecting the raw material into the mold after being heated and melted, waiting for the raw material to cool down, then demolding the mold, and taking out the formed shoe sole.

[0004] In the prior art, in order to ensure the stability of the mold, the mold is mostly fixed on the rotating disc mechanism by means of bolts and the like. When the production type or size of the shoe sole changes, it is not convenient to quickly replace the mold, thereby increasing the downtime of the equipment and reducing the forming efficiency of the shoe sole. CONTENT OF THE INVENTION

[0005] In order to facilitate the replacement of the mold and improve the forming efficiency of the shoe sole, the present application provides a shoe sole automatic forming machine.

[0006] The shoe sole automatic forming machine provided by the present application adopts the following technical scheme:

[0007] A shoe sole automatic forming machine comprises a machine body, a rotating disc rotatably installed on the machine body, and a plurality of forming molds installed on the upper side of the rotating disc. The lower side of the machine body is provided with a driving mechanism for pushing the forming molds to move. The rotating disc is provided with a plurality of through holes for the upper end of the driving mechanism to pass through, and the plurality of through holes are arranged on the lower side of the forming molds. The upper side of the rotating disc is connected with a plurality of positioning members for limiting the forming molds. One side of the machine body is provided with an injection seat for injecting raw materials into the forming molds. The lower end of the machine body is provided with a transmission mechanism for driving the rotating disc to rotate. The upper end of the machine body is provided with a cooling mechanism for cooling the forming molds.

[0008] By adopting the technical scheme, firstly, through rotation of the rotating disc and arrangement of the plurality of lower molds, continuous molding of the plurality of soles can be realized, time for mold replacement and waiting is reduced, and production efficiency of the soles is improved; secondly, the driving mechanism pushes the mold to move, so that the mold can accurately reach the injection molding station, thereby ensuring that the sole raw material is accurately injected into the mold and ensuring molding quality of the sole; and thirdly, the rotating disc is driven to rotate by the transmission mechanism, and the mold is cooled by the cooling mechanism, so that automatic operation of the sole molding process can be realized, manual intervention is reduced, labor intensity is reduced, and production stability and consistency are improved.

[0009] Optionally, the positioning member comprises a plurality of positioning rods, lower ends of the plurality of positioning rods are fixedly connected with the rotating disc, both ends of the lower side of each of the molding molds are provided with positioning grooves for insertion of the positioning rods, and upper ends of each of the positioning rods are provided with chamfers.

[0010] By adopting the technical scheme, the positioning rods can accurately position the lower molds, ensure that the positions of the lower molds on the rotating disc are accurate, avoid deviation of the driving mechanism when the driving mechanism pushes the molding molds to move, and the chamfers enable the positioning rods to be stably inserted into the positioning grooves, thereby ensuring the positioning effect of the molding molds.

[0011] Optionally, a lower side of the injection seat is provided with an injection head, an upper side of the molding mold is provided with an injection port for insertion of the injection head, and an upper end of the injection seat is connected with an injection molding machine.

[0012] By adopting the technical scheme, cooperation of the injection head and the injection port enables the injection seat to accurately inject the sole raw material between the upper mold and the lower mold, improves injection efficiency, and reduces waste of the raw material.

[0013] Optionally, the driving mechanism comprises a hydraulic oil cylinder and a positioning plate, a cylinder body of the hydraulic oil cylinder is fixedly installed on the lower side of the machine body, and the positioning plate is fixedly connected to one end of a piston rod of the hydraulic oil cylinder and located directly below one of the molding molds.

[0014] By adopting the technical scheme, the driving mechanism can stably push the mold to move, avoid shaking or jamming of the mold during movement, ensure normal movement of the mold and smooth progress of the molding process, and the hydraulic oil cylinder can adjust the extension length of the piston rod as needed, thereby adapting to molds of different sizes and shapes.

[0015] Optionally, the positioning plate is located directly below the through hole, an upper side of the positioning plate is fixedly connected with an anti-skid pad, and when the hydraulic oil cylinder pushes the positioning plate to move upward, the upper side of the anti-skid pad is connected with the lower side of the molding mold.

[0016] By adopting the technical scheme, the forming mold can be prevented from deviating or sliding during movement, and the forming mold can be stably connected with the injection seat.

[0017] Optionally, the transmission mechanism comprises a driving motor and a transmission wheel, the body of the driving motor is fixedly connected to the machine body, one end of the output shaft of the driving motor is fixedly connected to the inner wall of the transmission wheel, a plurality of transmission grooves are formed in the outer side of the transmission wheel, and a plurality of transmission rods matched with the transmission grooves are fixedly connected to the lower side of the rotating disc.

[0018] By adopting the technical scheme, the transmission grooves on the outer side of the transmission wheel and the transmission rods are matched, the accuracy of the rotating speed and the rotating angle of the rotating disc can be ensured, the accurate switching of the mold between the various stations can be realized, and the compact structure of the entire transmission system occupies a small space, and the overall layout and installation of the equipment are facilitated.

[0019] Optionally, the outer wall of each transmission rod is connected with a bearing connected with the inner wall of the transmission groove, one end of the transmission rod is connected with a fastener for fixing the bearing, and the side close to the bearing of the transmission rod is provided with an abutting portion for locking the inner ring of the bearing.

[0020] By adopting the technical scheme, the friction when the transmission rod contacts with the inner wall of the transmission groove can be reduced, the service life of the transmission wheel can be improved, and the rotating effect of the rotating disc can be ensured. The stability of the bearing can be ensured by the fastener, the bearing can be replaced when the bearing is damaged due to wear, and meanwhile, the abutting portion can prevent the inner ring of the bearing from rotating during rotation, so that the fastener can be effectively prevented from loosening due to the rotation of the bearing.

[0021] Optionally, the cooling mechanism comprises a plurality of cooling fans and a fixing frame, the plurality of cooling fans are installed in an array on the upper side of the fixing frame, the fixing frame is fixedly connected to the machine body, and the air outlets of the cooling fans are all directed towards the rotating disc.

[0022] By adopting the technical scheme, the plurality of cooling fans are installed in an array, the molds on the rotating disc can be comprehensively and uniformly cooled, the cooling speed of the molds can be accelerated, the forming cycle can be shortened, the quality problems such as deformation and shrinkage caused by uneven cooling can be reduced, and the appearance quality and dimensional accuracy of the soles can be improved.

[0023] In summary, the present application has the following beneficial effects:

[0024] 1. The present application can realize the continuous forming of a plurality of soles, reduce the time for mold replacement and waiting, the driving mechanism can accurately push the mold to move to the injection station, the raw material of the sole can be accurately injected into the mold, the waste of the raw material can be reduced, and the production efficiency of the sole can be improved.

[0025] 2、The application can realize automatic operation of the shoe sole forming process by driving the rotating disc to rotate through the transmission mechanism. Meanwhile, through the cooling mechanism, the molds on the rotating disc can be cooled comprehensively and uniformly, the cooling speed of the molds is accelerated, the forming cycle is shortened, the quality problems such as deformation and shrinkage caused by uneven cooling are reduced, and thus the appearance quality and dimensional accuracy of the shoe sole are improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic diagram of a shoe sole automatic forming machine of an embodiment of the application;

[0027] Figure 2 is a structural schematic diagram of a rotating disc and a cooling mechanism of an embodiment of the application;

[0028] Figure 3 is an enlarged schematic diagram of an A area in Figure 2

[0029] Figure 4 is a structural schematic diagram of a rotating disc and a transmission mechanism of an embodiment of the application;

[0030] Figure 5 is an enlarged schematic diagram of a B area in Figure 4

[0031] Figure 6 is an expanded schematic diagram of a transmission rod and a bearing of an embodiment of the application.

[0032] BRIEF DESCRIPTION OF REFERENCE NUMERALS: 1, machine body; 2, rotating disc; 21, through hole; 3, forming mold; 31, positioning groove; 32, injection port; 4, positioning piece; 41, positioning rod; 42, chamfer; 5, driving mechanism; 51, hydraulic oil cylinder; 52, positioning plate; 53, non-slip pad; 6, injection seat; 61, injection head; 7, transmission mechanism; 71, driving motor; 72, transmission wheel; 73, transmission groove; 8, cooling mechanism; 81, cooling fan; 82, fixing frame; 9, transmission rod; 91, abutting portion; 10, bearing; 11, fastener. DETAILED DESCRIPTION

[0033] The following will be described in detail in combination with the accompanying Figures 1-6 The application will be further described in detail.

[0034] An embodiment of the application discloses a shoe sole automatic forming machine.

[0035] Reference Figure 1 ​​The sole automatic forming machine comprises a machine body 1, a rotating disc 2 rotatably arranged in the middle of the machine body 1, and a plurality of forming molds 3 arranged in an annular array on the upper side of the rotating disc 2. The lower side of the machine body 1 is fixedly provided with a driving mechanism 5 for pushing one of the forming molds 3 to move. The rotating disc 2 is provided with a plurality of through holes 21 for the upper end of the driving mechanism 5 to pass through, and the plurality of through holes 21 are arranged on the lower side of the forming mold 3. The driving mechanism 5 can stably push one of the forming molds 3 to move through the through holes 21. The upper side of the rotating disc 2 is fixedly connected with a plurality of positioning pieces 4 for limiting the forming molds 3, and the positioning pieces 4 are used to prevent the forming molds 3 from being dislocated when the rotating disc 2 rotates. One side of the machine body 1 is provided with an injection seat 6 for injecting raw materials into the forming mold 3, and the injection seat 6 is arranged on the upper side of the forming mold 3. When the driving mechanism 5 pushes the forming mold 3 to contact the injection seat 6, the raw materials can be injected into the forming mold 3. The lower end of the machine body 1 is provided with a transmission mechanism 7 for driving the rotating disc 2 to rotate. The upper end of the machine body 1 is provided with a cooling mechanism 8 for cooling the forming mold 3.

[0036] With reference to Figure 1 , Figure 2 and Figure 3 , the driving mechanism 5 comprises a hydraulic oil cylinder 51 fixedly connected to the machine body 1 and a positioning plate 52 fixedly connected to the piston rod of the hydraulic oil cylinder 51, and the positioning plate 52 is located directly below one of the forming molds 3 and on the lower side of the through hole 21. The upper side of the positioning plate 52 is fixedly connected with an anti-skid pad 53, which can prevent the forming mold 3 from being dislocated when it moves.

[0037] In use, the hydraulic oil cylinder 51 is started, and the piston rod thereof pushes the positioning plate 52 to move upwards until it passes through the through hole 21, drives the anti-skid pad 53 to contact the lower side of the forming mold 3, and continuously extends the piston rod of the hydraulic oil cylinder 51 to drive the forming mold 3 to move until it contacts the injection seat 6, so as to inject raw materials into the forming mold 3.

[0038] With reference to Figure 1 , Figure 2 and Figure 3 , the positioning piece 4 comprises a plurality of positioning rods 41 fixedly connected to the upper side of the rotating disc 2, and the plurality of positioning rods 41 are arranged on both sides of the through hole 21. The lower side of each forming mold 3 is provided with a positioning groove 31 for the positioning rod 41 to insert, and the connection between the positioning groove 31 and the positioning rod 41 is used to limit the forming mold 3 on the upper side of the through hole 21. The upper end of each positioning rod 41 is provided with a chamfer 42, which is used to ensure that the positioning rod 41 can be stably inserted into the positioning groove 31, thereby improving the accuracy and stability of the connection between the forming mold 3 and the positioning piece 4.

[0039] With reference to Figure 1 , Figure 2 andFigure 3 The lower side of the injection seat 6 is fixedly provided with an injection head 61, and the upper side of each forming die 3 is provided with an injection port 32 for inserting the injection head 61, so as to ensure the stability of the connection between the injection seat 6 and the forming die 3. The upper end of the injection seat 6 is connected with the injection machine, so as to guide the raw materials to enter the injection seat 6 stably.

[0040] Referring to Figure 1 , Figure 2 and Figure 4 , the cooling mechanism 8 comprises a fixed frame 82 fixedly installed on the upper end of the machine body 1 and a plurality of cooling fans 81 fixedly installed on the upper side of the fixed frame 82. The plurality of cooling fans 81 are arranged in an array, and the air outlet of each cooling fan 81 faces the turntable 2 and the forming die 3. When the cooling fan 81 is in operation, it can continuously blow cold air to the forming die 3, thereby accelerating the cooling efficiency of the raw materials in the mold and improving the production efficiency of the sole.

[0041] Referring to Figure 1 , Figure 3 and Figure 5 , the transmission mechanism 7 comprises a driving motor 71 fixedly connected to the machine body 1 and a transmission wheel 72 fixedly connected to the output shaft of the driving motor 71. In the present application, the driving motor 71 is a speed reducer, which can reduce the high speed of the motor to the required low speed and increase the torque to meet the transmission requirements of the turntable 2. The outer side of the transmission wheel 72 is provided with a plurality of transmission grooves 73, and the lower side of the turntable 2 is fixedly connected with a plurality of transmission rods 9 matched with the transmission grooves 73. The outer wall of each transmission rod 9 is sleeved with a bearing 10 connected with the inner wall of the transmission groove 73. The bearing 10 is used to reduce the friction between the transmission rod 9 and the transmission groove 73, and to improve the service life of the transmission wheel 72.

[0042] In use, the driving motor 71 drives the transmission wheel 72 to rotate, so that the transmission grooves 73 on the outer side of the transmission wheel 72 can rotate outside the plurality of transmission rods 9 and bearings 10. With the connection of the plurality of bearings 10 and the inner wall of the transmission groove 73, the turntable 2 can be driven to rotate in the middle of the machine body 1, ensuring the rotation distance of the turntable 2.

[0043] Referring to Figure 5 , Figure 6 , the lower end of each transmission rod 9 is threadedly connected with a fastener 11 for fixing the bearing 10. By screwing the fastener 11, the inner ring of the bearing 10 is pressed against one side of the transmission rod 9, completing the fixation of the bearing 10. In the present application, the fastener is a fastening bolt. The side of each transmission rod 9 close to the bearing 10 is provided with an abutting portion 91 for locking the inner ring of the bearing 10. The inner ring of the bearing 10 is provided with a groove for inserting the abutting portion 91. When the abutting portion 91 is connected with the inner wall of the groove, the inner ring of the bearing 10 is prevented from rotating, and the inner ring of the bearing 10 is sleeved on the lower end of the transmission rod 9.

[0044] In the installation of the bearing 10, the bearing 10 is moved, the inner ring sleeve is sleeved on the lower end of the transmission rod 9, then the fastener 11 is passed through the inner side of the bearing 10 and is turned into the lower end of the transmission rod 9 until the fastener 11 drives the inner ring of the bearing 10 to abut against the abutting portion 91 of the transmission rod 9, and the installation of the bearing 10 is completed. In the disassembly of the bearing 10, after the fastener 11 is unscrewed and removed, the bearing 10 is pulled downward to disengage from the transmission rod 9, and the disassembly of the bearing 10 is completed.

[0045] The implementation principle of the shoe sole automatic forming machine in the embodiment of the application is as follows:

[0046] In use, the first step is to start the transmission device, drive the transmission wheel 72 to rotate through the driving motor 71, and drive the rotating disc 2 to rotate stably through the rotation of the transmission groove 73 outside the plurality of transmission rods 9 until one of the forming molds 3 is moved to the position directly below the injection seat 6, at which time the driving motor 71 stops running.

[0047] The second step is to control the hydraulic oil cylinder 51 to run, push the positioning plate 52 to move upward, and pass through the through hole 21 to contact the lower side of the forming mold 3, and with the continuous running of the hydraulic oil cylinder 51, the injection port 32 on the upper side of the forming mold 3 is clamped outside the injection head 61 of the injection seat 6, at which time the raw material is injected into the forming mold 3 through the injection seat 6.

[0048] The third step is to wait for the injection to be completed, and the hydraulic oil cylinder 51 is retracted until the positioning groove 31 on the lower side of the forming mold 3 is clamped outside the positioning rod 41, then the hydraulic oil cylinder 51 continuously retracts until the positioning plate 52 and the non-slip pad 53 are lower than the through hole 21, and the reset of the driving mechanism 5 is completed.

[0049] The fourth step is to start the driving motor 71 again to drive the rotating disc 2 to rotate, and then repeat the above steps to inject the raw material into the forming mold 3 one by one, and at the same time, start the plurality of cooling fans 81 to continuously cool the injected forming mold 3 until it enters the demolding process for demolding, thereby completing the forming work of the shoe sole.

[0050] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the basis of the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A sole automatic forming machine, comprising a machine body (1), a rotating disc (2) rotatably installed on the machine body (1), and a plurality of forming molds (3) installed on the upper side of the rotating disc (2), characterized in that: The lower side of the machine body (1) is provided with a drive mechanism (5) for pushing the forming mold (3) to move, the rotating disc (2) is provided with a plurality of through holes (21) for the upper end of the drive mechanism (5) to pass through, and the plurality of through holes (21) are arranged on the lower side of the forming mold (3), the upper side of the rotating disc (2) is connected with a plurality of positioning members (4) for limiting the forming mold (3), one side of the machine body (1) is provided with an injection seat (6) for injecting raw materials into the forming mold (3), the lower end of the machine body (1) is provided with a transmission mechanism (7) for driving the rotating disc (2) to rotate, and the upper end of the machine body (1) is provided with a cooling mechanism (8) for cooling the forming mold (3); the transmission mechanism (7) comprises a drive motor (71) and a transmission wheel (72), the body of the drive motor (71) is fixedly connected to the machine body (1), one end of the output shaft of the drive motor (71) is fixedly connected with the inner wall of the transmission wheel (72), and the outer side of the transmission wheel (72) is provided with a plurality of transmission grooves (73), and the lower side of the rotating disc (2) is fixedly connected with a plurality of transmission rods (9) matched with the transmission grooves (73).

2. The automatic shoe sole forming machine according to claim 1, characterized in that: The positioning member (4) comprises a plurality of positioning rods (41), the lower end of each positioning rod (41) is fixedly connected with the rotating disc (2), the lower side of each forming mold (3) is provided with a positioning groove (31) for inserting the positioning rod (41), and the upper end of each positioning rod (41) is provided with a chamfer (42).

3. The shoe sole automatic molding machine according to claim 1, characterized in that: The lower side of the injection seat (6) is provided with an injection head (61), the upper side of the forming mold (3) is provided with an injection port (32) for inserting the injection head (61), and the upper end of the injection seat (6) is connected with an injection machine.

4. The shoe sole automatic molding machine according to claim 1, characterized in that: The drive mechanism (5) comprises a hydraulic oil cylinder (51) and a positioning plate (52), the cylinder body of the hydraulic oil cylinder (51) is fixedly installed on the lower side of the machine body (1), and the positioning plate (52) is fixedly connected to one end of the piston rod of the hydraulic oil cylinder (51), and the positioning plate (52) is located directly below one of the forming molds (3).

5. The automatic shoe sole forming machine according to claim 4, characterized in that: The positioning plate (52) is arranged directly below the through hole (21), the upper side of the positioning plate (52) is fixedly connected with an anti-skid pad (53), and when the hydraulic oil cylinder (51) pushes the positioning plate (52) to move upward, the upper side of the anti-skid pad (53) is connected with the lower side of the forming mold (3).

6. The automatic shoe sole forming machine according to claim 1, characterized in that: The outer wall of each transmission rod (9) is connected with a bearing (10) connected with the inner wall of the transmission groove (73), one end of the transmission rod (9) is connected with a fastener (11) for fixing the bearing (10), and the side of the transmission rod (9) close to the bearing (10) is provided with an abutting portion (91) for locking the inner ring of the bearing (10).

7. The shoe sole automatic forming machine according to claim 1, characterized in that: The cooling mechanism (8) comprises a plurality of cooling fans (81) and a fixing frame (82), the plurality of cooling fans (81) are arranged on the upper side of the fixing frame (82) in an array, the fixing frame (82) is fixedly connected with the machine body (1), and the air outlet of each cooling fan (81) faces the rotating disc (2).

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