CN210590222U - Improved injection molding device for model material - Google Patents

Abstract

The utility model provides an improved injection molding device for model materials, which comprises a support, an installation shell, a machine barrel, a heater, a screw rod, a connecting column, a rotating motor, a positioning seat, a right connecting rod, a movable rectangular plate, a first hydraulic cylinder, a hopper, a positioning plate, a first mold, a left connecting rod, an assembling plate, a second hydraulic cylinder, a movable plate, a second mold, a PLC (programmable logic controller), a switch, an auxiliary conveying frame structure, an auxiliary material conveying cylinder structure and a heat dissipation demolding frame structure, wherein the installation shell is welded in the middle of the upper surface of the support; the machine barrel is embedded in the mounting shell; the heater is embedded in the mounting shell and sleeved on the outer side of the machine barrel; the screw rod is inserted in the cylinder. The utility model has the advantages that: through the setting of auxiliary conveyor frame structure, after the material mould fell on this conveyer belt, can make rotatory conveyer belt drive the material thereupon and carry appointed position department, increased the functionality.

Description

Improved injection molding device for model material

Technical Field

The utility model belongs to the technical field of the model material processing, especially, relate to improved generation's model material's injection moulding device.

Background

An injection molding machine is a mechanical device that transforms plastic particle materials into final plastic parts through circulation of melting, injection, pressure maintaining, cooling, etc., and a thermoplastic molding machine usually adopts mold locking tonnage or injection amount as simple machine specification identification, and other usable parameters also include injection rate, injection pressure, screw design, mold thickness, guide bar spacing, etc., and the components mainly include five units of an injection system, a mold system, an oil pressure system, a control system, a mold locking system, etc., and the prior art adopts the technical scheme that an injection molding device for a model material with the Chinese patent publication number of 201520933792.8 adopts: the automatic forming machine comprises a base, a charging barrel, a first fixed template and a first movable template, wherein the charging barrel, the first fixed template and the first movable template are arranged at the upper end of the base, the second fixed template and the second movable template are respectively arranged at the upper parts of the first fixed template and the first movable template, pull rods are respectively arranged between the first fixed template and the first movable template as well as between the second fixed template and the second movable template, fixed dies are respectively and fixedly arranged on the first fixed template and the second fixed template, movable dies are respectively and fixedly arranged on the first movable template and the second movable template, barrier belts are respectively arranged between the first fixed template and the first movable template as well as between the second fixed template and the second movable template, a material receiving port is arranged on the base at the lower end of the first movable template, an inclined plate is arranged in the base, an electric fan is arranged above the inclined plate, so that the production efficiency and the working efficiency are increased, convenient operation, environmental protection, sanitation, strong practicability and suitability for popularization and use.

However, the conventional injection molding apparatus has problems that it does not have a function of assisting in conveying a molding material, a function of inconveniently conveying a molding material, and a function of releasing a mold and dissipating heat.

Therefore, it is necessary to invent an improved injection molding apparatus for mold material.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improved generation's injection moulding device of model material to solve current injection moulding device and do not possess the function of supplementary transport material, the function of inconvenient transport shaping material and inconvenient drawing of patterns and carry out radiating problem. The improved injection molding device for the model material comprises a support, an installation shell, a machine barrel, a heater, a screw rod, a connecting column, a rotating motor, a positioning seat, a right connecting rod, a movable rectangular plate, a first hydraulic cylinder, a hopper, a positioning plate, a first die, a left connecting rod, an assembling plate, a second hydraulic cylinder, a movable plate, a second die, a PLC (programmable logic controller), a switch, an auxiliary conveying frame structure, an auxiliary material conveying barrel structure and a heat dissipation demolding frame structure, wherein the installation shell is welded in the middle of the upper surface of the support; the machine barrel is embedded in the mounting shell; the heater is embedded in the mounting shell and sleeved on the outer side of the machine barrel; the screw is inserted in the machine barrel; the connecting column is welded at the right end of the screw rod, and the right end of the connecting column is in key connection with an output shaft of the rotating motor; the rotating motor bolt is arranged on the right surface of the movable rectangular plate; the positioning seat is welded on the right side of the upper surface of the support; the right connecting rod is respectively welded at the lower part between the mounting shell and the positioning seat and at the front side and the rear side of the middle part; the movable rectangular plate is sleeved on the outer side of the right connecting rod; the first hydraulic cylinder bolt is arranged on the upper surface of the positioning seat, and the output shaft is connected with the upper right bolt of the movable rectangular plate; the hopper penetrates through the mounting shell and is welded on the upper part of the outer wall of the machine barrel; the positioning plate is welded on the middle left side of the upper surface of the support; the first die bolt is arranged on the left side surface of the positioning plate; the left connecting rod is welded at the four corners between the positioning plate and the assembling plate; the assembling plate is welded at the upper left part of the support; the second hydraulic cylinder bolt is arranged in the middle of the left side surface of the assembling plate; the moving plate is sleeved on the outer side of the left connecting rod; the second die bolt is arranged on the right surface of the moving plate; the PLC bolt is arranged on the upper part of the front surface of the support; the switch is electrically connected to the front surface of the PLC; the auxiliary conveying frame structure is arranged at the front part of the support; the auxiliary material conveying cylinder structure is arranged at the upper part of the hopper; the heat dissipation demoulding frame structure is arranged on the assembling plate, the moving plate and the second mould; the auxiliary conveying frame structure comprises a supporting frame, a fixed edge, a first bearing, an inserting shaft, a driven wheel, a belt, a driving wheel, a conveying motor and a conveying belt, wherein the first bearing is respectively embedded in the left side and the right side of the inner part of the fixed edge; the inserting shaft is inserted in the first bearing; the driven wheel is connected with the front part of the plug shaft in a key way; the belt is sleeved on the driven wheel and the driving wheel; the conveying motor is embedded on the output shaft of the driving wheel.

Preferably, the auxiliary material conveying cylinder structure comprises a connecting cylinder, a supporting rod, a supporting shell, a material conveying motor, an anti-skidding seat, an auger, a second bearing, a supporting column, a discharging cylinder and a sealing cover, wherein the supporting rod is welded around the left lower part of the connecting cylinder and around the right upper part of the supporting shell; the material conveying motor is mounted on the inner wall of the supporting shell through bolts; one end of the packing auger is inserted in the second bearing, and the other end of the packing auger is connected with a coupling of an output shaft of the material conveying motor; the second bearing is embedded in the right upper part of the inner wall of the connecting cylinder; the support column is welded in the middle of the lower surface of the connecting cylinder; the discharge barrel is welded on the right side of the lower part of the connecting barrel.

Preferably, the heat dissipation demoulding frame structure comprises a fixing rod, a sleeve joint, a plug joint, an assembling sheet, a first demoulding rod, a second demoulding rod and a radiating fin, wherein the fixing rod is welded around the right surface of the assembling plate and is arranged on the inner side of the left connecting rod; one end of the sleeve joint is welded at the right end of the fixed rod, and the other end of the sleeve joint is spliced with a plug-in connector; the plug connectors are respectively welded on the periphery of the left surface of the assembly sheet; the first demoulding rod and the second demoulding rod are respectively welded on the outer side of the right surface of the assembling sheet; the first demoulding rod and the second demoulding rod are respectively inserted in the moving plate and the second mould; the radiating fin is welded in the middle of the left surface of the assembling piece.

Preferably, the two fixing edges are respectively welded on the front side and the rear side of the upper surface of the support frame, and the fixing edge is mounted on the front surface of the support through bolts.

Preferably, the conveying belt is sleeved on the plug shaft and arranged at the front part of the support.

Preferably, the connecting cylinder is arranged to be inclined, the lower end of the connecting cylinder is supported by the supporting column, and the lower left part of the connecting cylinder is provided with an opening.

Preferably, the antiskid seat at the lower end of the support shell adopts a rubber cushion seat, and the antiskid seat is installed at the left lower part of the support shell through a bolt.

Preferably, the lower part of the sealing cover is in threaded connection with the hopper, and the upper part of the sealing cover is in threaded connection with the discharging barrel.

Preferably, the assembling sheet at the right end of the radiating fin, the first demolding rod and the second demolding rod are respectively a copper sheet and a copper rod.

Preferably, the first mold is inserted into the first mold, and the second mold is inserted into the second mold.

Preferably, the sleeve joint at the right end of the fixed rod is matched with the plug-in connector.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, fixed limit be provided with two to both sides around the support frame upper surface are welded respectively, fixed limit bolt install at the front surface of support, be convenient for make this auxiliary conveyor structure support the equipment, also be convenient for fix simultaneously and use in appointed position department.

2. The utility model discloses in, the conveyer belt cup joint on the spiale to the setting is in the front portion of support, after on this conveyer belt falls under the material mould, can make rotatory conveyer belt drive material carry appointed position department thereupon, increased the functionality.

3. The utility model discloses in, the connecting cylinder set up to the slope form, and the lower extreme supports through the support column, the left lower part of connecting cylinder seted up the opening, after starting this defeated material motor and driving the auger rotation, can make the material pour into this connecting cylinder into, and carry thereupon and pour into the work of material, and then alleviateed staff's intensity of labour.

4. The utility model discloses in, the antiskid seat of support shell lower extreme adopt the rubber cushion seat, antiskid seat bolt install in the left lower part of supporting the shell, when supporting, can assist the work of supporting thereupon, also played skid-proof function simultaneously.

5. The utility model discloses in, sealed lid lower part and hopper threaded connection, upper portion and play feed cylinder threaded connection, convenient sealed lid installation of messenger or dismantlement also are convenient for seal or naked work simultaneously, can also carry out rotation angle and use simultaneously again.

6. The utility model discloses in, the equipment piece of fin right-hand member, first drawing of patterns pole and second drawing of patterns pole adopt copper sheet and copper pole respectively, when the drawing of patterns and use, be convenient for carry out radiating function to the functionality has been increased.

7. The utility model discloses in, first ejector pin and second ejector pin be provided with a plurality ofly respectively to insert in the second mould, in the activity process, can make a plurality of first ejector pin and second ejector pin demold.

8. The utility model discloses in, the dead lever right-hand member cup joint and bayonet joint looks adaptation, when movable plate and second mould activity, drive the bayonet joint thereupon and remove in cup jointing, and after bayonet joint and dead lever contact, fix first demoulding rod and second demoulding rod thereupon, and then can follow the propelling movement of second mould with the material that continues to remove and get off.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the auxiliary conveying frame structure of the present invention.

Fig. 3 is a schematic structural diagram of the auxiliary material conveying cylinder structure of the present invention.

Fig. 4 is a schematic structural diagram of the heat dissipation mold release frame structure of the present invention.

Fig. 5 is a schematic structural diagram of the electric appliance wiring of the present invention.

In the figure:

1. a support; 2. mounting a shell; 3. a barrel; 4. a heater; 5. a screw; 6. connecting columns; 7. a rotating electric machine; 8. positioning seats; 9. a right connecting rod; 10. a movable rectangular plate; 11. a first hydraulic cylinder; 12. a hopper; 13. positioning a plate; 14. a first mold; 15. a left connecting rod; 16. assembling a plate; 17. a second hydraulic cylinder; 18. moving the plate; 19. a second mold; 20. a PLC; 21. a switch; 22. an auxiliary carriage structure; 221. A support frame; 222. fixing the edge; 223. a first bearing; 224. a plug shaft; 225. a driven wheel; 226. a belt; 227. a driving wheel; 228. a conveying motor; 229. a conveyor belt; 23. an auxiliary material delivery cartridge structure; 231. A connecting cylinder; 232. a support bar; 233. a support housing; 234. a material conveying motor; 235. an anti-slip seat; 236. a packing auger; 237. a second bearing; 238. a support pillar; 239. a discharging barrel; 2310. a sealing cover; 24. a heat dissipation demoulding frame structure; 241. fixing the rod; 242. sleeving a joint; 243. a plug-in connector; 244. assembling the sheet; 245. a first stripper bar; 246. a second stripper bar; 247. and a heat sink.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 and fig. 2, an improved injection molding device for mold materials comprises a support 1, an installation shell 2, a machine barrel 3, a heater 4, a screw 5, a connecting column 6, a rotating motor 7, a positioning seat 8, a right connecting rod 9, a movable rectangular plate 10, a first hydraulic cylinder 11, a hopper 12, a positioning plate 13, a first die 14, a left connecting rod 15, an assembling plate 16, a second hydraulic cylinder 17, a moving plate 18, a second die 19, a PLC20, a switch 21, an auxiliary conveying frame structure 22, an auxiliary material conveying cylinder structure 23 and a heat dissipation demoulding frame structure 24, wherein the installation shell 2 is welded in the middle of the upper surface of the support 1; the machine barrel 3 is embedded in the mounting shell 2; the heater 4 is embedded in the mounting shell 2 and sleeved on the outer side of the machine barrel 3; the screw rod 5 is inserted in the machine barrel 3; the connecting column 6 is welded at the right end of the screw rod 5, and the right end is in key connection with an output shaft of the rotating motor 7; the rotating motor 7 is mounted on the right surface of the movable rectangular plate 10 through a bolt; the positioning seat 8 is welded on the right side of the upper surface of the support 1; the right connecting rod 9 is respectively welded at the lower part between the mounting shell 2 and the positioning seat 8 and at the front side and the rear side of the middle part; the movable rectangular plate 10 is sleeved on the outer side of the right connecting rod 9; the first hydraulic cylinder 11 is mounted on the upper surface of the positioning seat 8 through a bolt, and an output shaft is connected with the upper right part of the movable rectangular plate 10 through a bolt; the hopper 12 penetrates through the mounting shell 2 and is welded at the upper part of the outer wall of the machine barrel 3; the positioning plate 13 is welded on the middle left side of the upper surface of the support 1; the first die 14 is mounted on the left side surface of the positioning plate 13 through bolts; the left connecting rod 15 is welded at the four corners between the positioning plate 13 and the assembling plate 16; the assembling plate 16 is welded at the upper left part of the support 1; the second hydraulic cylinder 17 is mounted in the middle of the left side of the assembling plate 16 through bolts; the moving plate 18 is sleeved on the outer side of the left connecting rod 15; the second die 19 is mounted on the right surface of the moving plate 18 through bolts; the PLC20 bolt is arranged on the upper part of the front surface of the support 1; the switch 21 is electrically connected to the front surface of the PLC 20; the auxiliary conveying frame structure 22 is arranged at the front part of the support 1; the auxiliary material conveying cylinder structure 23 is arranged at the upper part of the hopper 12; the heat dissipation demoulding frame structure 24 is arranged on the assembling plate 16, the moving plate 18 and the second mould 19; the auxiliary conveying frame structure 22 comprises a supporting frame 221, a fixed edge 222, a first bearing 223, a plug-in shaft 224, a driven wheel 225, a belt 226, a driving wheel 227, a conveying motor 228 and a conveying belt 229, wherein the first bearing 223 is respectively embedded in the left side and the right side of the inside of the fixed edge 222; the inserting shaft 224 is inserted into the first bearing 223; the driven wheel 225 is connected with the front part of the plug-in shaft 224 in a key way; the belt 226 is sleeved on the driven wheel 225 and the driving wheel 227; the conveying motor 228 is embedded on the output shaft of the driving wheel 227.

As shown in fig. 3, in the above embodiment, specifically, the auxiliary material conveying cylinder structure 23 includes a connecting cylinder 231, a support rod 232, a support shell 233, a conveying motor 234, an anti-slip seat 235, an auger 236, a second bearing 237, a support column 238, a discharging cylinder 239 and a sealing cover 2310, wherein the support rod 232 is welded around the left lower portion of the connecting cylinder 231 and around the right upper portion of the support shell 233; the material conveying motor 234 is mounted on the inner wall of the support shell 233 by bolts; one end of the packing auger 236 is inserted in the second bearing 237, and the other end is connected with a shaft coupling of an output shaft of the material conveying motor 234; the second bearing 237 is embedded in the upper right part of the inner wall of the connecting cylinder 231; the supporting column 238 is welded at the middle part of the lower surface of the connecting cylinder 231; the discharging barrel 239 is welded at the right side of the lower part of the connecting barrel 231.

As shown in fig. 4, in the above embodiment, specifically, the heat dissipation demolding frame structure 24 includes a fixing rod 241, a socket joint 242, a plug joint 243, an assembly sheet 244, a first demolding rod 245, a second demolding rod 246, and a heat sink 247, where the fixing rod 241 is welded around the right surface of the assembly plate 16 and is disposed inside the left connecting rod 15; one end of the sleeve joint 242 is welded at the right end of the fixed rod 241, and the other end is inserted with a plug joint 243; the plug connectors 243 are respectively welded on the periphery of the left surface of the assembly sheet 244; the first demoulding rod 245 and the second demoulding rod 246 are respectively welded on the outer side of the right surface of the assembling sheet 244; the first demoulding rod 245 and the second demoulding rod 246 are respectively inserted into the moving plate 18 and the second mould 19; the heat sink 247 is welded to the middle of the left surface of the mounting plate 244.

In the above embodiment, specifically, two fixing edges 222 are provided and are respectively welded to the front side and the rear side of the upper surface of the support frame 221, and the fixing edges 222 are bolted to the front surface of the support base 1, so that the auxiliary conveying frame structure 22 can be conveniently supported and assembled, and can be conveniently fixed at a designated position for use.

In the above embodiment, specifically, the conveyor belt 229 is sleeved on the insertion shaft 224 and disposed at the front portion of the support 1, and after the material mold falls onto the conveyor belt 229, the rotating conveyor belt 229 can drive the material to be conveyed to a specified position, so that the functionality is increased.

In the above embodiment, specifically, the connecting cylinder 231 is inclined, the lower end of the connecting cylinder is supported by the supporting pillar 238, the left lower portion of the connecting cylinder 231 is provided with an opening, and after the material conveying motor 234 is started to drive the auger 236 to rotate, the material can be injected into the connecting cylinder 231, and then the material can be conveyed and injected therewith, so that the labor intensity of workers is reduced.

In the above embodiment, specifically, the anti-slip seat 235 at the lower end of the support shell 233 is a rubber pad seat, and the anti-slip seat 235 is installed at the lower left portion of the support shell 233 by bolts, so that the support can be assisted with the anti-slip seat 235 during the support, and the anti-slip function is achieved.

In the above embodiment, specifically, the lower portion of the sealing cover 2310 is in threaded connection with the hopper 12, and the upper portion of the sealing cover 2310 is in threaded connection with the discharging barrel 239, so that the sealing cover 2310 can be conveniently mounted or dismounted, meanwhile, sealing or exposing work can be conveniently carried out, and meanwhile, the rotation angle can be carried out for use.

In the above embodiment, specifically, the assembly sheet 244 at the right end of the heat sink 247, the first demolding rod 245 and the second demolding rod 246 are made of copper sheets and copper rods, respectively, so that the heat dissipation function is facilitated and the functionality is increased when the mold is demolded and used.

In the above embodiment, specifically, the first demolding rod 245 and the second demolding rod 246 are provided in plural numbers, respectively, and are inserted into the second mold 19, so that the plural first demolding rods 245 and the plural second demolding rods 246 can be demolded during the movement.

In the above embodiment, specifically, the sleeve joint 242 and the plug joint 243 at the right end of the fixing rod 241 are adapted, when the moving plate 18 and the second mold 19 move, the plug joint 243 is driven to move in the sleeve joint 242, and after the plug joint 243 contacts with the fixing rod 241, the first demolding rod 245 and the second demolding rod 246 are fixed, so that the material which continues to move can be pushed down from the second mold 19.

In the above embodiment, specifically, the heater 4 is an SJ017 type heater.

In the above embodiment, specifically, the rotating electrical machine 7 is a DRS type electrical machine.

In the above embodiment, specifically, the first hydraulic cylinder 11 is a MOB50 × 100 hydraulic cylinder.

In the above embodiment, specifically, the second hydraulic cylinder 17 is a MOB50 × 100 hydraulic cylinder.

In the above embodiment, specifically, the conveying motor 228 is a PLF120-10 motor.

In the above embodiment, specifically, the material conveying motor 234 is a DRS type motor.

In the above embodiment, specifically, the PLC20 is a PLC of model FX 2N-48.

In the above embodiment, specifically, the switch 21 is electrically connected to an input terminal of the PLC20, the heater 4 is electrically connected to an output terminal of the PLC20, the rotating electrical machine 7 is electrically connected to an output terminal of the PLC20, the first hydraulic cylinder 11 is electrically connected to an output terminal of the PLC20, the second hydraulic cylinder 17 is electrically connected to an output terminal of the PLC20, the conveying electrical machine 228 is electrically connected to an output terminal of the PLC20, and the conveying electrical machine 234 is electrically connected to an output terminal of the PLC 20.

Principle of operation

The utility model discloses a theory of operation: accumulating the material around the lower part of the connecting cylinder 231, starting the material conveying motor 234 to drive the auger 236 to rotate, so that the accumulated material can move towards the upper right part in the connecting cylinder 231 through the auger 236, then pass through the discharging cylinder 239 and the sealing cover 2310 to enter the hopper 12, simultaneously fall into the machine barrel 3, after the material injection is completed, respectively starting the rotating motor 7 and the heater 4, so that the material entering the machine barrel 3 can be melted, simultaneously the rotating motor 7 drives the connecting column 6 and the screw 5 to rotate and drive the material to move leftwards, and passes through the positioning plate 13 to enter between the first die 14 and the second die 19, after the material injection is completed, starting the first hydraulic cylinder 11 and driving the movable rectangular plate 10, the connecting column 6 and the screw 5 to move rightwards and drive the material to move rightwards and separate from the material in the first die 14 and the second die 19, during operation, after the material between the first mold 14 and the second mold 19 is solidified and formed, the second hydraulic cylinder 17 is started to drive the moving plate 18 and the second mold 19 to move leftward, the formed material is exposed, the inserting head 243 moves leftward and contacts with the fixing rod 241 during movement, the assembling sheet 244, the first demolding rod 245 and the second demolding rod 246 are fixed at a specified position, so that the material in the second mold 19 can be pushed down, then the material slides and reaches the conveying belt 229, and finally the conveying motor 228 is started to drive the driving wheel 227, the belt 226, the driven wheel 225, the inserting shaft 224 and the conveying belt 229 to rotate, so that the material can be conveyed to the specified position for use.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The improved injection molding device for the model material is characterized by comprising a support (1), an installation shell (2), a machine barrel (3), a heater (4), a screw rod (5), a connecting column (6), a rotating motor (7), a positioning seat (8), a right connecting rod (9), a movable rectangular plate (10), a first hydraulic cylinder (11), a hopper (12), a positioning plate (13), a first die (14), a left connecting rod (15), an assembling plate (16), a second hydraulic cylinder (17), a moving plate (18), a second die (19), a PLC (20), a switch (21), an auxiliary conveying frame structure (22), an auxiliary material conveying cylinder structure (23) and a heat dissipation demolding frame structure (24), wherein the installation shell (2) is welded in the middle of the upper surface of the support (1); the machine barrel (3) is embedded in the mounting shell (2); the heater (4) is embedded in the mounting shell (2) and sleeved on the outer side of the machine barrel (3); the screw (5) is inserted into the machine barrel (3); the connecting column (6) is welded at the right end of the screw rod (5), and the right end is in key connection with an output shaft of the rotating motor (7); the rotating motor (7) is arranged on the right surface of the movable rectangular plate (10) through a bolt; the positioning seat (8) is welded on the right side of the upper surface of the support (1); the right connecting rod (9) is respectively welded at the lower part between the mounting shell (2) and the positioning seat (8) and at the front side and the rear side of the middle part; the movable rectangular plate (10) is sleeved on the outer side of the right connecting rod (9); the first hydraulic cylinder (11) is mounted on the upper surface of the positioning seat (8) through a bolt, and an output shaft is connected with the upper right part of the movable rectangular plate (10) through a bolt; the hopper (12) penetrates through the mounting shell (2) and is welded to the upper part of the outer wall of the machine barrel (3); the positioning plate (13) is welded on the middle left side of the upper surface of the support (1); the first die (14) is mounted on the left side surface of the positioning plate (13) through bolts; the left connecting rod (15) is welded at the four corners between the positioning plate (13) and the assembling plate (16); the assembling plate (16) is welded at the upper left part of the support (1); the second hydraulic cylinder (17) is mounted in the middle of the left side surface of the assembling plate (16) through bolts; the moving plate (18) is sleeved on the outer side of the left connecting rod (15); the second die (19) is mounted on the right surface of the moving plate (18) through bolts; the PLC (20) is installed on the upper part of the front surface of the support (1) through a bolt; the switch (21) is electrically connected to the front surface of the PLC (20); the auxiliary conveying frame structure (22) is arranged at the front part of the support (1); the auxiliary material conveying cylinder structure (23) is arranged at the upper part of the hopper (12); the heat dissipation demoulding frame structure (24) is arranged on the assembling plate (16), the moving plate (18) and the second mould (19); the auxiliary conveying frame structure (22) comprises a supporting frame (221), a fixed edge (222), a first bearing (223), a plug-in shaft (224), a driven wheel (225), a belt (226), a driving wheel (227), a conveying motor (228) and a conveying belt (229), wherein the first bearing (223) is respectively embedded in the left side and the right side of the inside of the fixed edge (222); the plug shaft (224) is plugged in the first bearing (223); the driven wheel (225) is connected with the front part of the plug shaft (224) in a key way; the belt (226) is sleeved on the driven wheel (225) and the driving wheel (227); the conveying motor (228) is embedded on an output shaft of the driving wheel (227).

2. The improved apparatus for injection molding of modeling material as claimed in claim 1, wherein said auxiliary material feeding cylinder structure (23) comprises a connecting cylinder (231), a support rod (232), a support shell (233), a feeding motor (234), an anti-slip seat (235), a packing auger (236), a second bearing (237), a support pillar (238), a discharging cylinder (239) and a sealing cover (2310), said support rod (232) is welded around the left lower portion of the connecting cylinder (231) and around the right upper portion of the support shell (233); the material conveying motor (234) is arranged on the inner wall of the support shell (233) through bolts; one end of the packing auger (236) is inserted in the second bearing (237), and the other end of the packing auger (236) is connected with an output shaft coupling of the material conveying motor (234); the second bearing (237) is embedded at the upper right part of the inner wall of the connecting cylinder (231); the supporting column (238) is welded in the middle of the lower surface of the connecting cylinder (231); the discharge barrel (239) is welded on the right side of the lower part of the connecting barrel (231).

3. The improved apparatus for injection molding of mold material as claimed in claim 1, wherein said heat-dissipating mold-releasing frame structure (24) comprises a fixing bar (241), a socket joint (242), a plug joint (243), an assembling piece (244), a first mold-releasing bar (245), a second mold-releasing bar (246) and a heat sink (247), said fixing bar (241) is welded around the right surface of the assembling plate (16) and is disposed inside the left connecting bar (15); one end of the sleeve joint (242) is welded at the right end of the fixed rod (241), and the other end is spliced with a plug joint (243); the plug connectors (243) are respectively welded on the periphery of the left surface of the assembly sheet (244); the first demoulding rod (245) and the second demoulding rod (246) are respectively welded on the outer side of the right surface of the assembling sheet (244); the first demoulding rod (245) and the second demoulding rod (246) are respectively inserted into the moving plate (18) and the second mould (19); the radiating fins (247) are welded in the middle of the left surface of the assembling piece (244).

4. The improved apparatus for injection molding of mold material as claimed in claim 1, wherein said two fixing edges (222) are provided and welded to the front and rear sides of the upper surface of the supporting frame (221), respectively, and said fixing edges (222) are bolted to the front surface of the support (1).

5. The improved apparatus for injection molding of modeling material as claimed in claim 1, wherein the conveyor belt (229) is sleeved on the insertion shaft (224) and is disposed in front of the support (1).

6. The improved apparatus for injection molding of mold material as claimed in claim 2, wherein said connecting cylinder (231) is formed in an inclined shape and supported at its lower end by a supporting pillar (238), and said connecting cylinder (231) is opened at its lower left portion.

7. The improved apparatus for injection molding of mold material as claimed in claim 2, wherein said anti-slip seat (235) at the lower end of said supporting shell (233) is a rubber pad seat, and said anti-slip seat (235) is bolt-mounted at the lower left portion of said supporting shell (233).

8. The improved apparatus for injection molding of molding material as claimed in claim 2, wherein said sealing cap (2310) is threaded at a lower portion thereof to the hopper (12) and at an upper portion thereof to the take-off cylinder (239).

9. The improved apparatus for injection molding of mold material as claimed in claim 3, wherein said assembling piece (244) at the right end of said heat sink (247), said first mold releasing bar (245) and said second mold releasing bar (246) are made of copper sheet and copper bar, respectively.

10. The improved apparatus for injection molding of a mold material according to claim 3, wherein a plurality of the first and second mold-releasing rods (245, 246) are provided and inserted into the second mold (19).

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