CN113665078A - Injection device of composite shoe making machine - Google Patents

Abstract

The invention discloses an injection device of a combined type shoe making machine, which comprises a base module, a pressurizing module, a material supplementing module and a heating module, wherein the base module comprises a supporting plate, a rubber cylinder connected with the supporting plate, a material frame detachably arranged at the top of the supporting plate and a receiving frame fixedly arranged at the bottom of the supporting plate; the pressurizing module comprises a rubber pipe penetrating through the top of the rubber cylinder. In the invention, the connecting rod is driven to swing left and right by the movement of the clamping plate each time, the movement track of the rotating plate is consistent with that of the connecting rod, the extruding plate moves along with the rotating plate under the meshing relationship, when the extruding plate approaches to the direction of the pushing plate, the pushing plate is pushed to move, the shoes to be processed in the material frame are pushed out by the pushing plate, and when the extruding plate moves away from the pushing plate, the reset component enables the pushing plate to restore to the initial position so as to ensure the circular operation of the loading operation, then the shoes are conveyed to the bottom of the injection gun by one shoe, and the production efficiency is improved under the double-line production.

Description

Injection device of composite shoe making machine

Technical Field

The invention relates to the technical field of shoe making machines, in particular to an injection device of a composite shoe making machine.

Background

An injection molding machine (also known as an injection molding machine) is a main molding device for molding thermoplastic plastics or thermosetting materials into plastic products of various shapes by using a plastic molding die. The injection machine has a working principle similar to that of an injection syringe for injection, and is a technological process of injecting plastic in a plasticized molten state (i.e. viscous state) into a closed die cavity by means of the thrust of a screw (or a plunger), and obtaining a product after solidification and shaping. The forming process of screw injection molding machine includes the steps of adding granular or powdered plastic into the cylinder, heating the cylinder to melt the plastic, closing the mold and moving the injection seat forward, introducing pressurized oil to the injection cylinder to push the screw forward, injecting the molten material into closed mold at high pressure and high speed, maintaining the pressure for certain period of time, cooling to solidify and form, and demolding.

Application number is CN102975341B discloses combined type shoemaking machine injection apparatus, including nozzle mechanism, the feed cylinder, the screw rod, motor and injection cylinder, nozzle mechanism has injection channel's nozzle again in including, injection channel comprises mutually perpendicular's horizontal, vertical passageway, open in the nozzle be located injection channel department and with horizontal, vertical passageway looks vertically shaft hole, the pivot of band-pass hole is installed to the shaft hole internal rotation ground, only under the injection state, the advance of this through-hole, the discharge gate communicates with injection channel is corresponding respectively, the tip of pivot is driven by the power supply. When in use, the driving rotating shaft can open or close the injection channel, so that the injection port does not need to be contacted with a mold during pre-molding and injection, and the composite functions of continuous injection and pre-molding can be realized; meanwhile, the melt cannot stay in the vertical channel due to dead weight, so that the overflow phenomenon can be avoided when the injection channel is closed. Although the device realizes the functions of continuous injection, pre-molding compound function and preventing glue waste, the production efficiency is still reduced by the production mode of single-line injection during production operation.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the invention is as follows:

the injection device comprises a basic module, a pressurizing module, a material supplementing module and a heating module, wherein the basic module comprises a supporting plate, a rubber tube connected with the supporting plate, a material frame detachably mounted at the top of the supporting plate and a receiving frame fixedly mounted at the bottom of the supporting plate, the pressurizing module comprises a rubber tube penetrating through the top of the rubber tube, a one-way valve mounted on the rubber tube, clamping plates symmetrical about the rubber tube, a frame body sleeved on the outer sides of the two clamping plates, a U-shaped plate connected with the frame body, an electric push rod connected with the U-shaped plate, a connecting pipe connected with the rubber tube and an injection gun connected with the connecting pipe, the material supplementing module comprises a connecting rod connected with the clamping plates, a rotating plate movably sleeved on the outer side of the connecting rod and connected with the supporting plate, a squeezing plate meshed with the rotating plate, a pressure plate, Install in the push pedal of material frame bottom, install in the push pedal both sides and with the L shaped plate that the material frame is connected and with the reset component that the feed supplement module is connected, heating module including cup joint in the ring body in the material frame outside, inlay and locate the inboard hot plate of ring body, activity run through two reciprocal lead screws of ring body, cup joint in the belt pulley of reciprocal lead screw bottom, connect in two belt between the belt pulley and with be close to the motor of the reciprocal lead screw rigid coupling of backup pad front side.

Through adopting above-mentioned technical scheme, through adopting pressurizing module and feed supplement module structural design, realize the double-line production of shoes, improved production efficiency, in addition through adopting heating module structural design, the inboard hot plate of ring body is even heats the packing element outside, prevents that the inside phenomenon of solidification from appearing in the packing element, ensures that the injection operation can continuously go on.

The present invention in a preferred example may be further configured to: the reset assembly comprises a vertical plate arranged at the top of the push plate, a guide rod which is movably penetrated through the vertical plate and connected with the material frame, and a spring sleeved on the outer side of the guide rod, wherein the spring is positioned between the vertical plate and the material frame.

Through adopting above-mentioned technical scheme, the subassembly that resets ensures that the push pedal can also reset the normal position after with single release material frame of shoes, ensures that defeated material operation can go on repeatedly.

The present invention in a preferred example may be further configured to: the rubber tube sealing device is characterized in that two U-shaped frames which are symmetrical about the rubber tube are fixedly arranged at the top of the supporting plate, a rectangular plate is connected between the two U-shaped frames, the U-shaped plate movably penetrates through the rectangular plate, the bottom end of the electric push rod is embedded into the top of the rectangular plate, and the outer wall of the ring body is in contact with the outer walls of the two U-shaped frames.

By adopting the technical scheme, the structural strength of the invention is simultaneously enhanced by the U-shaped frame and the rectangular plate.

The present invention in a preferred example may be further configured to: the check valve is provided with two, two the check valve is located packing element inside and top respectively, the arc opening has been seted up to the splint inboard, arc opening and check valve looks adaptation.

Through adopting above-mentioned technical scheme, inside the check valve restriction air can only get into the packing element, prevent glue simultaneously and get into inside the rubber tube.

The present invention in a preferred example may be further configured to: the bottom of the rectangular plate is fixedly provided with two T-shaped rods, the two clamping plates are respectively sleeved on the outer sides of the two T-shaped rods, rectangular grooves suitable for the T-shaped rods to slide are formed in the clamping plates, and rectangular openings suitable for the T-shaped rods to rotate are formed in the top ends of the clamping plates.

Through adopting above-mentioned technical scheme, the rectangular channel can be when two splint are drawing close, and two splint can fully laminate, then the rectangle opening makes splint can normal rotation.

The present invention in a preferred example may be further configured to: the injection gun comprises a connecting pipe, an injection gun body, a lifting plate, a slide rail, a threaded rod and an injection gun body, wherein the connecting pipe and the injection gun body are arranged in two, the injection gun body is respectively positioned in two U-shaped frames, the lifting plate is movably sleeved on the outer side of the injection gun body, the lifting plate is provided with a slide way suitable for the sliding of the injection gun body, the two side walls of the inner portion of each U-shaped frame are respectively provided with a slide groove suitable for the sliding of the lifting plate body, the U-shaped frame is provided with a trapezoidal slide groove, the inner portion of each trapezoidal slide groove is slidably connected with a trapezoidal slide block, the inner portion of each trapezoidal slide block is in threaded connection with the threaded rod, and the bottom end of the threaded rod is movably connected with the top end of the injection gun body.

Through adopting above-mentioned technical scheme, the spout can lead to the lifter plate, rotates the height that the threaded rod can control the injection gun apart from the backup pad, moves trapezoidal slider along trapezoidal spout and can adjust the position of injection gun.

The present invention in a preferred example may be further configured to: two the connecting rod is located both sides around the packing element respectively, the quantity of commentaries on classics board and stripper plate all equals with the quantity of connecting rod, the stripper plate is located the commentaries on classics board outside, the inside movable mounting of stripper plate has L shape pole, L shape pole outer end pass the stripper plate and with backup pad top rigid coupling, the stripper plate comprises a triangle-shaped board and a plate body, triangle-shaped board and plate body integrated into one piece.

By adopting the technical scheme, the L-shaped rod guides the motion track of the extrusion plate, so that the extrusion plate 330 is more stable in the motion process.

The present invention in a preferred example may be further configured to: the two reciprocating screw rods are respectively positioned among the heating plates, the bottom ends of the reciprocating screw rods penetrate through the supporting plate and extend to the bottom of the supporting plate, and the top of the belt pulley is in contact with the bottom of the supporting plate.

Through adopting above-mentioned technical scheme, set up reciprocating screw rod into two for the ring body can the atress even when doing elevating movement, appears blocking's probability when reducing its motion.

The present invention in a preferred example may be further configured to: the injection device of the combined type shoe making machine further comprises two feeding hoppers, wherein the two feeding hoppers are all arranged at the bottom of the supporting plate, two discharging openings are formed in the supporting plate and are respectively positioned at the tops of the two feeding hoppers, and the discharging openings are communicated with the insides of the feeding hoppers.

Through adopting above-mentioned technical scheme, the receiving frame is unified to be collected shoes, makes the production operation become simple.

The present invention in a preferred example may be further configured to: the device comprises two feed hoppers, a partition plate and a motor, wherein the partition plate is connected between the two feed hoppers and movably sleeved outside the two reciprocating screw rods, the partition plate is positioned between the belt pulley and the motor, and the top of the partition plate is in contact with the bottom of the belt pulley.

Through adopting above-mentioned technical scheme, the baffle is used for providing the support to belt pulley and belt, makes the structure of feed supplement module more stable.

By adopting the technical scheme, the invention has the beneficial effects that:

1. in the invention, the connecting rod is driven to swing left and right by the movement of the clamping plate each time, the movement track of the rotating plate is consistent with that of the connecting rod, the extruding plate moves along with the rotating plate under the meshing relationship, when the extruding plate approaches to the direction of the pushing plate, the pushing plate is pushed to move, the shoes to be processed in the material frame are pushed out by the pushing plate, and when the extruding plate moves away from the pushing plate, the reset component enables the pushing plate to restore to the initial position so as to ensure the circular operation of the loading operation, then the shoes are conveyed to the bottom of the injection gun by one shoe, and the production efficiency is improved under the double-line production.

2. According to the invention, the electric push rod drives the U-shaped plate to move downwards, after the U-shaped plate transmits force to the frame body, the frame body enables the two clamping plates to approach each other, then the rubber tube between the two clamping plates is flattened, under the limitation of the two one-way valves, air in the rubber tube can only be input into the rubber tube through the bottom end of the rubber tube, the pressure in the rubber tube is increased gradually through continuous injection of the air, and then glue in the rubber tube is input into the injection gun through the connecting tube.

3. According to the invention, the motor drives the reciprocating screw rod connected with the motor to rotate, then the belt pulley and the belt are mutually matched, the other reciprocating screw rod rotates along with the motor, then the ring body moves up and down along the reciprocating screw rod, and the heating plate on the inner side of the ring body uniformly heats the outer side of the rubber cylinder, so that the phenomenon of curing inside the rubber cylinder is prevented, and the continuous injection operation is ensured.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a rear view of the overall structure of the present invention;

FIG. 3 is a right sectional view of the overall structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 5 is a front cross-sectional view of the overall structure of the present invention;

FIG. 6 is a schematic view of a pressurizing module according to the present invention;

FIG. 7 is a schematic view of a feeding module of the present invention;

FIG. 8 is a schematic view of a heating module of the present invention.

Reference numerals:

100. a base module; 110. a support plate; 120. a rubber cylinder; 130. material frame; 140. receiving a frame;

200. a pressurizing module; 210. a rubber tube; 220. a one-way valve; 230. a splint; 240. a frame body; 250. a U-shaped plate; 260. an electric push rod; 270. a connecting pipe; 280. an injection gun;

300. a material supplementing module; 310. a connecting rod; 320. rotating the plate; 330. a pressing plate; 340. pushing the plate; 350. an L-shaped plate; 360. a reset assembly; 361. a vertical plate; 362. a guide bar; 363. a spring;

400. a heating module; 410. a ring body; 420. heating plates; 430. a reciprocating screw rod; 440. a belt pulley; 450. a belt; 460. a motor;

500. a U-shaped frame;

600. a rectangular plate;

700. a hopper;

800. a separator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention.

The following describes a composite shoe maker injection device according to some embodiments of the present invention with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 8, the injection device of the composite shoe making machine provided by the present invention comprises a base module 100, a pressurizing module 200, a material supplementing module 300 and a heating module 400, wherein the base module 100 comprises a support plate 110, the support plate 110 plays a role of connecting the pressurizing module 200, the material supplementing module 300 and the heating module 400 together, so that the whole device has a compact and reasonable structure, the space occupancy of the device is reduced, and the rubber tube 120 connected with the support plate 110 is used for storing raw materials required in the injection production operation, so as to ensure that the injection operation can be normally performed and the material frame 130 detachably mounted on the top of the support plate 110 and the receiving frame 140 fixedly mounted on the bottom of the support plate 110 are detachably mounted on the rubber tube 120; the material frame 130 is used for containing the shoes to be processed, so that the conveying operation of the shoes can be separated from manual operation, the labor cost is reduced, and in addition, the receiving frame 140 is used for receiving the processed shoes, so that the production operation is more convenient;

the pressurizing module 200 includes a rubber tube 210 penetrating the top of the rubber tube 120, and the name indicates that the rubber tube 210 is made of a rubber material, the rubber material has certain elasticity, and the rubber tube 210 can restore to the original shape after being extruded, in the device, the rubber tube 210 can convey air into the rubber tube 120 in a reciprocating manner every time the rubber tube is extruded, the pressure in the rubber tube 120 is increased, then the glue is injected into an injection gun 280 through a connecting tube 270, so that the injection operation is performed, a check valve 220 is installed on the rubber tube 210, the check valve 220 starts to a limiting operation in a punching operation, the air is limited to be injected into the rubber tube 120 from the bottom end of the rubber tube 210 and is limited by a clamping plate 230 symmetrical to the rubber tube 210, the clamping plate 230 is used for clamping the rubber tube 210, so that the air in the rubber tube 210 can be input into the rubber tube 120 and is sleeved on a frame 240 outside the two clamping plates 230, the frame body 240 is lifted to enable the two clamping plates 230 to be repeatedly combined, so that clamping operation on the rubber tube 210, the U-shaped plate 250 connected with the frame body 240 and the electric push rod 260 connected with the U-shaped plate 250 are completed, the electric push rod 260 and the U-shaped plate 250 are matched with each other to provide power for lifting movement of the frame body 240, the connecting tube 270 connected with the rubber cylinder 120 and the injection gun 280 connected with the connecting tube 270, the connecting tube 270 plays a transmission role, glue can accurately enter the injection gun 280, and the injection gun 280 is used for injection work of shoes;

the material supplementing module 300 comprises a connecting rod 310 connected with the clamping plate 230, the connecting rod 310 is driven to provide power for the rotation of the rotating plate 320, the rotating plate 320 is movably sleeved outside the connecting rod 310 and connected with the supporting plate 110, the extrusion plate 330 is meshed with the rotating plate 320, the extrusion plate 330 repeatedly extrudes the push plate 340 to ensure that the feeding operation can be normally performed, the push plate 340 is installed at the bottom of the material frame 130, the push plate 340 is used for pushing out one shoe in the material frame 130, the L-shaped plates 350 are installed on two sides of the push plate 340 and connected with the material frame 130, and the resetting component 360 is connected with the material supplementing module 300;

the heating module 400 comprises a ring body 410 sleeved outside the material frame 130 and a heating plate 420 embedded inside the ring body 410, the heating plate 420 is used for heating the outer wall of the rubber cylinder 120, then heat is transferred to the inside of the rubber cylinder 120, the probability of glue solidification is reduced, the two reciprocating lead screws 430 movably penetrate through the ring body 410, the reciprocating lead screws 430 rotate to enable the ring body 410 to reciprocate up and down on the outer side of the rubber cylinder 120, then the heating area of the heating plate 420 is increased, the heating effect is improved, a belt pulley 440 sleeved at the bottom end of the reciprocating lead screws 430, a belt 450 connected between the two belt pulleys 440 and a motor 460 fixedly connected with the reciprocating lead screws 430 close to the front side of the supporting plate 110 are increased, the belt pulley 440 and the belt 450 are matched with each other to enable the two reciprocating lead screws 430 to rotate simultaneously, and further the situation that the ring body 410 cannot be clamped in the lifting operation is ensured.

Specifically, the reset assembly 360 includes a vertical plate 361 installed on the top of the push plate 340, a guide rod 362 movably penetrating through the vertical plate 361 and connected to the material frame 130, and a spring 363 sleeved on the outer side of the guide rod 362, where the spring 363 is located between the vertical plate 361 and the material frame 130, when the push plate 340 is pressed by the pressing plate 330, the push plate 340 approaches the material frame 130 with the vertical plate 361, the spring 363 contracts, and when the pressing plate 330 moves in the opposite direction, the spring 363 rebounds and then restores the push plate 340 to the original position.

Further, check valve 220 is provided with two, two check valve 220 is located packing element 120 inside and top respectively, the arc opening has been seted up to splint 230 inboard, arc opening and check valve 220 looks adaptation, and the check valve 220 that is located the rubber tube 210 top limits inside the air can only get into rubber tube 210, and is located packing element 220 when control air can only get into packing element 120 through rubber tube 210 bottom, prevents that glue from getting into inside rubber tube 210.

Further, two connecting rod 310 is located packing element 120 front and back both sides respectively, the quantity of commentaries on classics board 320 and stripper plate 330 all equals with the quantity of connecting rod 310, stripper plate 330 is located the commentaries on classics board 320 outside, the inside movable mounting of stripper plate 330 has L shape pole, L shape pole outer end passes stripper plate 330 and with backup pad 110 top rigid coupling, stripper plate 330 comprises a triangle-shaped board and a plate body, triangle-shaped board and plate body integrated into one piece, L shape pole lead to the movement track of stripper plate 330, make stripper plate 330 motion in-process more stable, the shape design of stripper plate 330 for it can be inside push pedal 340 propulsion material frame 130 completely.

Further, two reciprocating screw rods 430 are respectively positioned between the heating plates 420, the bottom ends of the reciprocating screw rods 430 penetrate through the supporting plate 110 and extend to the bottom of the supporting plate 110, the top of the belt pulley 440 is in contact with the bottom of the supporting plate 110, and the number of the reciprocating screw rods 430 is two, so that the ring body 410 can be stressed uniformly when doing lifting motion, and the probability of blocking during motion is reduced.

Example two:

with reference to fig. 1 to 5, on the basis of the first embodiment, two U-shaped frames 500 symmetrical with respect to the rubber cylinder 120 are fixedly mounted on the top of the supporting plate 110, a rectangular plate 600 is connected between the two U-shaped frames 500, the U-shaped plate 250 movably penetrates through the rectangular plate 600, the bottom end of the electric push rod 260 is embedded into the top of the rectangular plate 600, the outer wall of the ring body 410 is in contact with the outer walls of the two U-shaped frames 500, the U-shaped frames 500 and the rectangular plate 600 increase the structural strength of the present invention at the same time, and the two U-shaped frames 500 limit the ring body 410, so that the ring body 410 moves more smoothly.

Specifically, two T-shaped rods are fixedly mounted at the bottom of the rectangular plate 600, the two clamping plates 230 are respectively sleeved on the outer sides of the two T-shaped rods, rectangular grooves suitable for the sliding of the T-shaped rods are formed in the clamping plates 230, rectangular openings suitable for the rotation of the T-shaped rods are formed in the top ends of the clamping plates 230, the rectangular grooves are formed, the two clamping plates 230 can be fully attached when the two clamping plates 230 are closed, and then the clamping plates 230 can normally rotate due to the rectangular openings.

Further, the connecting pipe 270 and the injection gun 280 are both provided in two numbers, the two injection guns 280 are respectively located inside the two U-shaped frames 500, the outside of the injection gun 280 is movably sleeved with a lifting plate, the lifting plate is provided with a slide suitable for the injection gun 280 to slide, two side walls inside the U-shaped frame 500 are both provided with slide grooves suitable for the lifting plate to slide, the U-shaped frame 500 is provided with a trapezoidal slide groove, the trapezoidal slide groove is internally and slidably connected with a trapezoidal slider, the trapezoidal slider is internally and threadedly connected with a threaded rod, the bottom end of the threaded rod is movably connected with the top end of the injection gun 280, the slide grooves can guide the lifting plate to enable the lifting plate to move more stably, then when the position of the injection gun 280 is adjusted, the height of the injection gun 280 from the support plate 110 is controlled by rotating the threaded rod, and after the height is determined, the trapezoidal slider is moved along the trapezoidal slide groove, the trapezoidal slider moves the injection gun 280 through the threaded rod, thereby completing the adjustment of the position of the injection gun 280.

Example three:

referring to fig. 1, 2, 3, 4, 5, 7 and 8, in the above embodiment, the injection device of the composite shoe making machine further includes two hoppers 700, the two hoppers 700 are both installed at the bottom of the support plate 110, the support plate 110 is provided with two discharge openings, the two discharge openings are respectively located at the tops of the two hoppers 700, the discharge openings are communicated with the insides of the hoppers 700, the processed shoes slide into the receiving frame 140 along the hoppers 700 after moving to the discharge openings, and the receiving frame 140 collects the shoes uniformly, so that the production operation is simplified.

Specifically, a partition 800 is connected between the two hoppers 700, the partition 800 is movably sleeved outside the two reciprocating screw rods 430, the partition 800 is located between the belt pulley 440 and the motor 460, the top of the partition 800 is in contact with the bottom of the belt pulley 440, and the partition 800 is used for supporting the belt pulley 440 and the belt 450, so that the structure of the feeding module 300 is more stable.

The working principle and the using process of the invention are as follows: in an initial state, the rubber tube 120 is filled with glue, the material frame 130 is filled with shoes to be processed, the position of the injection gun 280 is adjusted according to the style of the shoes to be processed, the threaded rod is firstly rotated to control the height of the injection gun 280 from the support plate 110, after the height is determined, the trapezoidal sliding block is moved along the trapezoidal sliding groove, the trapezoidal sliding block drives the injection gun 280 to move through the threaded rod, so that the adjustment of the position of the injection gun 280 is completed, when the injection device is put into practical use, the electric push rod 260 and the motor 460 are simultaneously started, the electric push rod 260 drives the U-shaped plate 250 to move downwards, after the U-shaped plate 250 transmits force to the frame body 240, the frame body 240 enables the two clamping plates 230 to be close to each other, then the rubber tube 210 between the two clamping plates 230 is flattened, under the limitation of the two one-way valves 220, air in the rubber tube 210 can only be input into the rubber tube 120 through the bottom end of the rubber tube 210, the pressure in the glue cylinder 120 is increased continuously by injecting air, then the glue in the glue cylinder 120 is input into the injection gun 280 through the connecting pipe 270, during this period, each time the clamping plate 230 moves, the connecting rod 310 is driven to swing left and right, the movement track of the rotating plate 320 is consistent with that of the connecting rod 310, under the meshing relationship, the extrusion plate 330 reciprocates left and right on the supporting plate 110, when the extrusion plate 330 approaches to the direction of the push plate 340, the push plate 340 is pushed to move, the push plate 340 pushes out the shoes to be processed in the material frame 130, and when the extrusion plate 330 moves away from the push plate 340, the reset assembly 360 makes the push plate 340 restore to the initial position to ensure the feeding operation cycle, then the shoes are conveyed to the bottom of the injection gun 280 by one, the injection gun 280 performs the injection operation on the shoes, the processed shoes are extruded into the discharging port by the following processed shoes, and then the shoes fall into the receiving frame 140 along the feeding hopper 700, the double-line production is realized on one device, the production efficiency is improved, in addition, the motor 460 drives the reciprocating screw rod 430 connected with the motor to rotate, then the belt pulley 440 and the belt 450 are mutually matched, the other reciprocating screw rod 430 rotates along with the reciprocating screw rod, then the ring body 410 moves up and down along the reciprocating screw rod 430, the heating plate 420 on the inner side of the ring body 410 uniformly heats the outer side of the rubber cylinder 120, the phenomenon of solidification inside the rubber cylinder 120 is prevented, and the continuous injection operation is ensured.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 claims and their equivalents.

Claims (10)

1. Injection device of combined type shoemaking machine, its characterized in that includes:

the base module (100) comprises a support plate (110), a rubber cylinder (120) connected with the support plate (110), a material frame (130) detachably mounted at the top of the support plate (110) and a receiving frame (140) fixedly mounted at the bottom of the support plate (110);

the pressurizing module (200) comprises a rubber tube (210) penetrating through the top of the rubber cylinder (120), a one-way valve (220) arranged on the rubber tube (210), clamping plates (230) symmetrical about the rubber tube (210), a frame body (240) sleeved on the outer sides of the two clamping plates (230), a U-shaped plate (250) connected with the frame body (240), an electric push rod (260) connected with the U-shaped plate (250), a connecting tube (270) connected with the rubber cylinder (120) and an injection gun (280) connected with the connecting tube (270);

the material supplementing module (300) comprises a connecting rod (310) connected with the clamping plate (230), a rotating plate (320) movably sleeved on the outer side of the connecting rod (310) and connected with the supporting plate (110), an extrusion plate (330) meshed with the rotating plate (320), a push plate (340) installed at the bottom of the material frame (130), L-shaped plates (350) installed on two sides of the push plate (340) and connected with the material frame (130), and a resetting component (360) connected with the material supplementing module (300);

the heating module (400) comprises a ring body (410) sleeved on the outer side of the material frame (130), a heating plate (420) embedded on the inner side of the ring body (410), two reciprocating screw rods (430) movably penetrating through the ring body (410), a belt pulley (440) sleeved at the bottom end of the reciprocating screw rods (430), a belt (450) connected between the two belt pulleys (440) and a motor (460) fixedly connected with the reciprocating screw rods (430) close to the front side of the supporting plate (110).

2. The injection device of the composite shoe making machine according to claim 1, wherein the return component (360) comprises a vertical plate (361) mounted on the top of the push plate (340), a guide rod (362) movably penetrating the vertical plate (361) and connected with the material frame (130), and a spring (363) sleeved outside the guide rod (362), wherein the spring (363) is located between the vertical plate (361) and the material frame (130).

3. The injection device of a composite shoe making machine according to claim 1, wherein two U-shaped frames (500) symmetrical with respect to the rubber cylinder (120) are fixedly mounted on the top of the support plate (110), a rectangular plate (600) is connected between the two U-shaped frames (500), the U-shaped plate (250) movably penetrates through the rectangular plate (600), the bottom end of the electric push rod (260) is embedded into the top of the rectangular plate (600), and the outer wall of the ring body (410) is in contact with the outer walls of the two U-shaped frames (500).

4. The injection device of a composite shoe making machine according to claim 1, wherein there are two check valves (220), the two check valves (220) are respectively located inside and on top of the rubber cylinder (120), and an arc-shaped opening is opened on the inner side of the clamping plate (230), and the arc-shaped opening is matched with the check valves (220).

5. The injection device of a composite shoe making machine according to claim 3, wherein two T-shaped rods are fixedly installed at the bottom of the rectangular plate (600), the two clamping plates (230) are respectively sleeved on the outer sides of the two T-shaped rods, a rectangular groove suitable for the T-shaped rods to slide is formed in the clamping plates (230), and a rectangular opening suitable for the T-shaped rods to rotate is formed in the top end of the clamping plates (230).

6. The injection device of the composite shoe making machine according to claim 3, wherein the number of the connecting pipes (270) and the number of the injection guns (280) are two, the two injection guns (280) are respectively located inside two U-shaped frames (500), a lifting plate is movably sleeved on the outer side of each injection gun (280), a slide way suitable for the injection guns (280) to slide is formed in the lifting plate, sliding grooves suitable for the lifting plate to slide are formed in two side walls inside each U-shaped frame (500), a trapezoidal sliding groove is formed in each U-shaped frame (500), a trapezoidal sliding block is slidably connected inside each trapezoidal sliding groove, a threaded rod is connected inside each trapezoidal sliding block in a threaded manner, and the bottom end of each threaded rod is movably connected with the top end of each injection gun (280).

7. The injection device of a composite shoe making machine according to claim 1, wherein two connecting rods (310) are respectively located at the front side and the rear side of the rubber cylinder (120), the number of the rotating plates (320) and the number of the extrusion plates (330) are equal to the number of the connecting rods (310), the extrusion plates (330) are located at the outer sides of the rotating plates (320), L-shaped rods are movably installed inside the extrusion plates (330), the outer ends of the L-shaped rods penetrate through the extrusion plates (330) and are fixedly connected with the top of the supporting plate (110), each extrusion plate (330) is composed of a triangular plate and a plate body, and the triangular plate and the plate bodies are integrally formed.

8. The injection apparatus of composite shoe maker according to claim 1, wherein two reciprocating screws (430) are respectively located between the plurality of heating plates (420), the bottom ends of the reciprocating screws (430) pass through the support plate (110) and extend to the bottom of the support plate (110), and the top of the pulley (440) is in contact with the bottom of the support plate (110).

9. The injection device of a composite shoe making machine according to any one of claims 1 to 8, further comprising two hoppers (700), wherein the two hoppers (700) are both mounted at the bottom of the support plate (110), the support plate (110) is provided with two discharge openings, the two discharge openings are respectively located at the tops of the two hoppers (700), and the discharge openings are communicated with the insides of the hoppers (700).

10. The injection device of the composite shoe making machine according to claim 9, wherein a partition (800) is connected between the two hoppers (700), the partition (800) is movably sleeved outside the two reciprocating screws (430), the partition (800) is located between the belt pulley (440) and the motor (460), and the top of the partition (800) is in contact with the bottom of the belt pulley (440).

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