High-efficient plastic injection molding machine of rubber overshoes processing usefulness
Technical Field
The utility model relates to a mould processing technology field specifically is a high-efficient plastic injection molding machine of rubber overshoes processing usefulness.
Background
Injection molding, which is a method of molding a thermoplastic or thermosetting molding compound by uniformly plasticizing it in a heated cylinder and then pushing it into a cavity of a closed mold by a plunger or a moving screw, is suitable for almost all thermoplastics, and in recent years, has also been successfully used for molding some thermosetting plastics. The injection molding has short molding period, the mass of a molded product can be from several grams to dozens of kilograms, and the molded product with a complex appearance, accurate dimension and metal or nonmetal inserts can be molded at one time. Therefore, the method has strong adaptability and high production efficiency. However, the prior art can not solve the problems that the long-distance reciprocating injection is carried out on the rubber shoe mold, the prior art needs to manually carry out the glue injection processing on the rubber shoe mold and the stroke problem that the injection can not be adjusted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient plastic injection molding machine of rubber overshoes processing usefulness to propose the problem that can't solve and carry out the reciprocal injection of long distance to the rubber overshoes mould in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency plastic injection molding machine for rubber shoe processing comprises a support and a vertical plate, wherein the top end of the vertical plate is fixedly connected with the support, and the upper part of the support is provided with a variable pitch device;
the variable pitch device comprises a first straight gear, a first motor, a second straight gear, an annular connecting rod, an L-shaped rod, a first sliding block, a first spring and a bevel gear set;
the upper end of first motor links to each other with the support is fixed, the output shaft outer wall of first motor rotates with the riser and links to each other, the output shaft left end of first motor rotates with the second straight-teeth gear through bevel gear group and links to each other, the both sides of second straight-teeth gear all mesh with first straight-teeth gear mutually, and are a plurality of the lug and the annular connecting rod slip of first straight-teeth gear front end link to each other, the outside and the L shape pole of annular connecting rod are fixed to be linked to each other, the lower extreme and the first slider of L shape pole are fixed to be linked to each other, the inboard outer wall and the first spring of first slider are fixed to be linked to each other.
Preferably, the inner wall of the first sliding block is connected with the sliding rod in a sliding mode, and two ends of the sliding rod are fixedly connected with the support.
Preferably, the lower part of the bracket is provided with a transmission device;
the transmission device comprises a first bevel gear, a second quasi gear, a second motor, a screw rod, a threaded sliding block, a first sleeve, a second sleeve and a second sliding block;
the upper end of the second motor is fixedly connected with the support, the outer wall of an output shaft of the second motor is rotatably connected with the support, the upper end of an output shaft of the second motor is fixedly connected with the first bevel gear, two sides of the first bevel gear are both meshed with the second bevel gear, the inner wall of the second bevel gear is fixedly connected with the first sleeve, the outer wall of the first sleeve on the left side is rotatably connected with the vertical plate, the outer wall of the first sleeve on the right side is rotatably connected with the support, the inner wall of the first sleeve on two sides is slidably connected with the screw rod, the outer wall of the right side of the screw rod is fixedly connected with the second sleeve, the middle of the screw rod is in threaded connection with the threaded sliding block, the upper end of the threaded sliding block is fixedly connected with the second sliding block, the inner wall of the second sliding block is slidably connected with the sliding rod, and the lower end of the threaded sliding block is fixedly connected with the casing.
Preferably, the inner wall of the upper end of the casing is fixedly connected with the hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with the push plug, and the outer wall of the push plug is in contact with the inner wall of the casing.
Preferably, a conversion device is arranged on the left side of the bracket;
the conversion device comprises a connecting rod, a sleeve block, a second spring and a ball;
the upper portion of connecting rod slides with the support and links to each other, the both ends of second spring are fixed with connecting rod and support respectively and link to each other, the bottom of connecting rod is fixed with the ball and links to each other, the lower extreme of ball offsets tightly with the recess of nested piece, the inner wall of nested piece rotates with the screw rod and links to each other, the outer wall and the support of nested piece slide and link to each other.
Compared with the prior art, the beneficial effects of the utility model are that: the efficient plastic injection molding machine for processing the rubber shoes starts the second motor through the matching of the second motor, the first sleeve, the second motor, the second sleeve, the screw, the threaded sliding block and the first spring, the second sleeve drives the rotation direction of the screw through the meshing with the first sleeves on two sides, when the second sleeve is meshed with the first sleeve on the right side, the screw moves leftwards, the screw drives the second sleeve to be meshed with the first sleeve on the left side, the screw drives the second sliding block to move leftwards, and the threaded sliding block drives the shell to move, so that the long-distance reciprocating injection of the mold is realized, and the problem that the long-distance reciprocating injection of the rubber shoe mold cannot be realized in the prior art is solved;
through the matching of the second sliding block, the first spring, the screw rod, the first sleeve and the second sleeve, the second sliding block moves to compress the first spring, the screw rod moves under the reaction force generated after the first spring deforms, and the meshing of the second sleeve and the first sleeves on two sides is changed, so that the rotation direction of the screw rod is changed, automatic reciprocating injection is realized, and the problem that the rubber injection processing needs to be manually carried out on a rubber shoe mold in the prior art is solved;
through first motor, bevel gear group, first straight-tooth gear, the annular connecting rod, the second straight-tooth gear, L shape pole, cooperation between first slider and the first spring, the output shaft left end of first motor passes through bevel gear group and second straight-tooth gear rotates and links to each other, first straight-tooth gear of second straight-tooth gear drive rotates, first straight-tooth gear drives L shape pole through annular connecting rod and removes, L shape pole drives the distance that first spring removed to both sides through first slider, the realization is to the injection of unidimensional rubber overshoes mould, the problem of unable adjustment injection stroke has been solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure A in FIG. 1;
FIG. 3 is a schematic view of the structure B in FIG. 1;
fig. 4 is a schematic structural diagram of C in fig. 1.
In the figure: 1. the device comprises a bracket, 2, a vertical plate, 3, a variable-pitch device, 301, a first straight gear, 302, a first motor, 303, a second straight gear, 304, an annular connecting rod, 305, an L-shaped rod, 306, a first sliding block, 307, a first spring, 308, a bevel gear set, 4, a transmission device, 401, a first bevel gear, 402, a second quasi gear, 403, a second motor, 404, a screw rod, 405, a threaded sliding block, 406, a first sleeve, 407, a second sleeve, 408, a second sliding block, 5, a conversion device, 501, a connecting rod, 502, a sleeve block, 503, a second spring, 504, a ball, 6, a sliding rod, 7, a push plug, 8, a hydraulic cylinder, 9 and a shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-efficiency plastic injection molding machine for rubber shoe processing comprises a support 1 and a vertical plate 2, wherein the top end of the vertical plate 2 is fixedly connected with the support 1, the upper part of the support 1 is provided with a variable pitch device 3, the variable pitch device 3 comprises a first straight gear 301, a first motor 302, a second straight gear 303, an annular connecting rod 304, an L-shaped rod 305, a first sliding block 306, a first spring 307 and a bevel gear set 308, the type of the first motor 302 can be selected according to actual conditions, the elastic coefficient of the first spring 307 can be selected according to actual conditions, the upper end of the first motor 302 is fixedly connected with the support 1, the outer wall of the output shaft of the first motor 302 is rotatably connected with the vertical plate 2, the left end of the output shaft of the first motor 302 is rotatably connected with the second straight gear 303 through the bevel gear set 308, the output shaft of the first motor 302 drives the second straight gear 303 to rotate through the bevel gear set 308, two sides of the second straight gear 303 are both meshed with the first straight gear 301, the second spur gear 303 drives the first spur gear 301 to rotate, the convex blocks at the front ends of the plurality of first spur gears 301 are connected with the annular connecting rod 304 in a sliding manner, the outer side of the annular connecting rod 304 is fixedly connected with the L-shaped rod 305, the first spur gear 301 drives the L-shaped rod 305 to move through the annular connecting rod 304, the lower end of the L-shaped rod 305 is fixedly connected with the first sliding block 306, the inner side outer wall of the first sliding block 306 is fixedly connected with the first spring 307, the L-shaped rod 305 drives the first spring 307 to move through the first sliding block 306, the screw rod 404 is driven to move through the counterforce of the second sliding block 408 which moves and compresses the first spring 307, the inner wall of the first sliding block 306 is connected with the sliding rod 6 in a sliding manner, and two ends of the sliding rod 6 are fixedly connected with the bracket 1.
The lower part of the bracket 1 is provided with a transmission device 4, the transmission device 4 comprises a first bevel gear 401, a second quasi-gear 402, a second motor 403, a screw rod 404, a threaded slide block 405, a first sleeve 406, a second sleeve 407 and a second slide block 408, the type of the second motor 403 can be selected according to actual conditions, the upper end of the second motor 403 is fixedly connected with the bracket 1, the outer wall of the output shaft of the second motor 403 is rotatably connected with the bracket 1, the upper end of the output shaft of the second motor 403 is fixedly connected with the first bevel gear 401, both sides of the first bevel gear 401 are engaged with the second bevel gear 402, the second motor 403 drives the second bevel gears 402 on both sides to rotate through the first bevel gear 401, the inner wall of the second bevel gear 402 is fixedly connected with the first sleeve 406, the outer wall of the first sleeve 406 on the left side is rotatably connected with the vertical plate 2, the second bevel gear 402 drives the first sleeve 406 to rotate, the outer wall of the first sleeve 406 on the right side is rotatably connected with the bracket 1, the inner walls of the first sleeves 406 on the two sides are connected with the screw 404 in a sliding mode, the outer wall on the right side of the screw 404 is fixedly connected with the second sleeve 407, the second sleeve 407 drives the rotation direction of the screw 404 through meshing with the first sleeves 406 on the two sides, the middle of the screw 404 is connected with the threaded slider 405 in a threaded mode, the upper end of the threaded slider 405 is fixedly connected with the second slider 408, the screw 404 drives the second slider 408 to move through the threaded slider 405, the inner wall of the second slider 408 is connected with the sliding rod 6 in a sliding mode, the lower end of the threaded slider 405 is fixedly connected with the machine shell 9, the threaded slider 405 drives the machine shell 9 to move, the inner wall on the upper end of the machine shell 9 is fixedly connected with the hydraulic cylinder 8, the output end of the hydraulic cylinder 8 is fixedly connected with the push plug 7, the output end of the hydraulic cylinder 8 drives the push plug 7 to move, the outer wall of the push plug 7 is in contact with the inner wall of the machine shell 9, and the type of the hydraulic cylinder 8 can be selected according to actual use conditions.
The left side of support 1 is equipped with conversion equipment 5, conversion equipment 5 includes connecting rod 501, nest block 502, second spring 503 and ball 504, the upper portion and the support 1 of connecting rod 501 slide and link to each other, the elastic coefficient of second spring 503 can be selected according to actual use condition, the both ends of second spring 503 are fixed with connecting rod 501 and support 1 respectively and link to each other, the bottom and the ball 504 of connecting rod 501 are fixed and link to each other, the lower extreme of ball 504 offsets tightly with the recess of nest block 502, connecting rod 501 receives the elasticity of second spring 503 to reset, the inner wall and the screw rod 404 of nest block 502 rotate and link to each other, the outer wall and the support 1 of nest block 502 slide and link to each other.
When the high-efficiency plastic injection molding machine for rubber shoe processing is used, a user places a mold at the lower part of a machine shell 9, a hydraulic cylinder 8 and a second motor 403 are started, the hydraulic cylinder 8 injects plastics to the surface of the mold by pushing a push plug 7, meanwhile, the second motor 403 drives second bevel gears 402 at two sides to rotate through a first bevel gear 401, the second bevel gears 402 drive a first sleeve 406 to rotate, a second sleeve 407 drives a screw 404 to rotate through meshing with the first sleeves 406 at two sides, when the second sleeve 407 meshes with the first sleeve 406 at the right side, the screw 404 drives a second slider 408 to move rightwards through a threaded slider 405, when the second slider 408 moves to compress the first spring 307 at the right side, the elastic force of the first spring 307 is continuously accumulated, after a certain degree is reached, the screw 404 moves leftwards under the reaction force generated after the first spring 307 is deformed, a sleeve block 502 moves leftwards, the sleeve block 502 drives the connecting rod 501 to move upwards through the ball 504, the connecting rod 501 is influenced by the counterforce after the deformation of the second spring 503, so that the connecting rod 501 is reset, the right groove of the sleeve block 502 is abutted against the ball 504, the screw 404 moves leftwards while the screw 404 drives the second sleeve 407 to be meshed with the left first sleeve 406, the screw 404 rotates reversely, the screw 404 drives the second slider 408 to move leftwards through the threaded slider 405, when the second slider 408 moves to compress the left first spring 307, and similarly, the ball 504 resets and is abutted against the left groove of the sleeve block 502, the threaded slider 405 drives the shell 9 to move, the long-distance reciprocating injection to the mold is realized, the problem that the long-distance reciprocating injection to the rubber shoe mold cannot be realized in the prior art is solved, the first spring 307 is compressed through the movement of the second slider 408, and the screw 404 moves under the counterforce after the deformation of the first spring 307, change the meshing of the first sleeve 406 of second sleeve 407 and both sides, thereby the rotation direction of screw rod 404, realize automatic reciprocal injection, the problem of prior art needs manually to carry out the injecting glue processing to the rubber overshoes mould is solved, through starting first motor 302, the output shaft left end of first motor 302 is passed through bevel gear set 308 and is rotated with second spur gear 303 and link to each other, first spur gear 301 of second spur gear 303 drive rotates, first spur gear 301 drives L shape pole 305 through annular connecting rod 304 and removes, L shape pole 305 drives the distance that first spring 307 removed through first slider 306, the realization is to the adjustment of injection stroke, the problem of unable adjustment injection stroke has been solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.