CN210617115U

CN210617115U - Multi-station injection molding machine

Info

Publication number: CN210617115U
Application number: CN201921390107.6U
Authority: CN
Inventors: 刘精博
Original assignee: Beijing Zhengqi Plastic Products Co ltd
Current assignee: Beijing Zhengqi Plastic Products Co ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-05-26
Anticipated expiration: 2029-08-24

Abstract

The utility model relates to a multistation injection molding machine, which relates to the field of injection molding machines and comprises a supporting table, two injection devices and a mold closing device, wherein the injection devices are arranged on the supporting table side by side, the mold closing device is arranged at one side of the injection devices, the mold closing device is provided with a feed inlet butted with the injection devices, the mold closing device is internally provided with a mold cavity, when a first batch of products are produced, one injection device is butted with the feed inlet of the mold closing device, plastic raw materials are sent into the mold cavity for shaping, cooling and taking, after the first batch of products are produced, the position of the injection device on the supporting table is moved to separate the injection device from the feed inlet, the other injection device is butted with the feed inlet, the used injection device is cleaned after the butt joint is finished, another working device is put into production work when the cleaning is finished, the normal production process of, the influence of cleaning on the production process is avoided.

Description

Multi-station injection molding machine

Technical Field

The utility model belongs to the technical field of the technique of injection molding machine and specifically relates to a multistation injection molding machine is related to.

Background

The injection molding machine is the main molding equipment for manufacturing plastic products with various shapes by utilizing a plastic molding die for thermoplastic plastics or thermosetting plastics. Injection molding is a cyclic process, and each cycle comprises feeding, melting and plasticizing, pressure injection, die cooling, mold opening and taking out a piece, closing the mold after taking out the piece, and entering the next cycle.

When the injection molding machine produces the product of the different raw materials of different colours, need in time clear up the molten plastics that remain in the feed cylinder during last operating condition, prevent that remaining material from influencing product production quality. When cleaning the charging barrel, the charging barrel needs to be away from the die cavity, all the materials used before are discharged, then the materials are cleaned by air, and a screw cleaning agent is added for cleaning. However, the charging barrel is long and narrow, the discharging port of the charging barrel is a slender pipe, and a cleaning dead zone exists on a screw in the charging barrel, so that the charging barrel is difficult to clean, the cleaning work is complicated and the time consumption is long, and meanwhile, the production of the injection molding machine is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multistation injection molding machine, this injection molding machine can maintain the normal production process of injection molding machine in the clearance feed cylinder, avoids the influence of clearance to injection molding machine production process.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a multistation injection molding machine, includes a supporting bench, a plurality of injection apparatus and closing die device, and the injection apparatus sets up side by side on a supporting bench, and closing die device sets up in one side of injection apparatus, is provided with the pan feeding mouth with the injection apparatus butt joint on the closing die device, and closing die device's inside is provided with the die cavity that is used for moulding cooling and conveniently getting the piece to the plastics raw materials.

Through adopting above technical scheme, when producing first batch product, an injection apparatus docks with the pan feeding mouth of closing die device to send the plastics raw materials to moulding, cooling and getting in the closing die device. After the first batch of products are produced, other injection devices are put into operation in sequence, and the used injection devices are cleaned at the same time, and in the cleaning process, the injection devices still maintain the production process of the injection molding machine, so that the cleaning is avoided from influencing the production process.

The utility model discloses further set up to: the bottom of the supporting table is connected with a sliding table in a sliding mode, one side, far away from the mold closing device, of the sliding table is provided with a hydraulic pushing cylinder, an output rod of the hydraulic pushing cylinder is fixedly connected with the supporting table, and a spring is wound on the outer side of the output rod.

Through adopting above technical scheme, the output rod that hydraulic pressure pushed away the jar promotes a supporting bench and removes and dock injection apparatus and MOLD CLAMPING APPARATUS's pan feeding mouth and carry out product production, and after production, when the output rod shrink, the spring drives a supporting bench and removes, makes used injection apparatus shift out the pan feeding mouth, makes things convenient for next operating condition's injection apparatus and MOLD CLAMPING APPARATUS to dock.

The utility model discloses further set up to: the support table is provided with a translation block at the bottom, and the sliding table is provided with a translation groove for the translation block to move and enabling the nozzle to be in butt joint with and separated from the feeding port.

Through adopting above technical scheme, translation and translation groove cooperation are used, make things convenient for the brace table and slide the adjustment of relative position between the platform, the butt joint and the separation of injection apparatus and pan feeding mouth of being convenient for.

The utility model discloses further set up to: the injection device comprises a feed hopper, a charging barrel, a hydraulic cylinder and a sliding base, wherein the charging barrel is arranged on the sliding base, one side of the charging barrel, which faces the mold closing device, is provided with a nozzle, a screw rod is arranged in the charging barrel, one end of the screw rod is fixedly connected with the hydraulic cylinder, the other end of the screw rod extends into the charging barrel from the inlet end of the charging barrel, and the inner side of the wall of the charging barrel is provided with a heating; the pneumatic cylinder sets up in one side of entry end, and the feeder hopper sets up in the top of entry end, and the base that slides sets up on the brace table and slides with the brace table and be connected.

Through adopting above technical scheme, likepowder or graininess plastic materials send to the feed cylinder entry end through the feeder hopper, and the zone of heating heats plastic materials and makes it be molten state, and the plastics of molten state send into the mold closing device through the nozzle under the impetus of pneumatic cylinder and carry out follow-up operation such as moulding in, finally realize the complete production process of injection molding machine.

The utility model discloses further set up to: the outside intermediate position of feed cylinder wall is provided with the band iron staple bolt, and the band iron staple bolt wraps up in the feed cylinder periphery, and the both ends of band iron staple bolt and the upper surface laminating of the base that slides, and laminating department is provided with the fixed orifices, sets fixing bolt on the fixed orifices.

Through adopting above technical scheme, the band iron staple bolt parcel is worn to locate the fixed orifices in feed cylinder periphery and fixing bolt, and then realizes the fixed connection of feed cylinder and base that slides.

The utility model discloses further set up to: the feed hopper is characterized in that a fixed clamping plate for fixing the feed hopper is arranged on the outer side of the feed cylinder, and jackscrews penetrate through the side wall of the fixed clamping plate.

Through adopting above technical scheme, the feeder hopper is pegged graft in fixed cardboard and is realized the fixed connection of feeder hopper and feed cylinder through the jackscrew.

The utility model discloses further set up to: the position that the upper surface of the base that slides and feed cylinder contact sets up to curved spacing face.

Through adopting above technical scheme, increase feed cylinder and the area of contact of base that slides, the fixed connection intensity of reinforcing feed cylinder and base that slides.

The utility model discloses further set up to: sliding grooves are formed in two sides of the bottom surface of the sliding base, a nut sleeve is welded in the middle of the bottom surface of the sliding base, and a first long protruding block and a second long protruding block which are used for enabling the sliding grooves to move and a driving device used for driving the sliding grooves to move are correspondingly arranged on the supporting table;

the driving device comprises a motor, a coupler, a ball screw and a screw fixing frame provided with a fixing hole, the motor is fixedly arranged at one end of the supporting table, the screw fixing frame is arranged at the other end of the supporting table relative to the motor, the coupler is arranged at one end of a motor output shaft, one end of the ball screw penetrates through the coupler and is fixedly connected with the motor output shaft, the other end of the ball screw penetrates through the nut sleeve and the fixing hole in sequence and is connected with the sliding base and the screw fixing frame in a rotating mode, and the length direction of the ball screw is perpendicular to the length direction of the material.

Through adopting above technical scheme, motor drive ball rotates in nut cover and fixed orifices, and then drives the base that slides and fixes injection device and the pneumatic cylinder on the base that slides and remove, realizes that two injection device's position removes and switches the use, easy operation, and labour saving and time saving.

The utility model discloses further set up to: the bottom of pneumatic cylinder is provided with the sliding block, it is provided with the third long lug that supplies the sliding block to remove to correspond on the brace table.

Through adopting above technical scheme, when injection apparatus moved on a supporting bench, pneumatic cylinder and injection apparatus simultaneous movement made injection apparatus's removal more convenient and laborsaving.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the two injection devices, one injection device is cleaned after being used, and the other injection device is put into production, so that the normal production process of the injection molding machine is maintained, the influence of cleaning on the production process is avoided, and the used injection device is cleaned in time, so that residual materials in the charging barrel are prevented from being solidified and adhered, the cleaning difficulty is reduced, and the cleaning is convenient;

2. the motor drives the ball screw to rotate to realize the movement and the replacement of the injection device, so that the injection device is simple to operate, time-saving and labor-saving.

Drawings

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

FIG. 2 is a schematic view of the injection device;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is a structural schematic diagram of a translation block and a translation slot.

In the figure: 1. a support table; 11. a first long bump; 12. a second long bump; 13. a third long bump; 14. a motor; 15. a coupling; 16. a ball screw; 17. a lead screw fixing frame; 18. a translation block; 21. a feed hopper; 22. a charging barrel; 221. a nozzle; 222. a screw; 223. a flat iron hoop; 2231. fixing the bolt; 224. fixing the clamping plate; 2241. carrying out top thread; 23. a hydraulic cylinder; 231. a sliding block; 24. a sliding base; 241. a limiting surface; 242. a nut sleeve; 243. a chute; 3. a mold clamping device; 31. a feeding port; 4. a sliding table; 41. a translation slot; 42. hydraulic pushing cylinders; 421. an output rod; 422. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a multistation injection molding machine, including two injection apparatus MOLD CLAMPING APPARATUS 3, brace table 1 and the platform 4 that slides, brace table 1 slides and sets up on the platform 4 that slides and slide and be connected, injection apparatus sets up side by side on brace table 1 and slides with brace table 1 and be connected, MOLD CLAMPING APPARATUS 3 sets up in one side of injection apparatus, be provided with the pan feeding mouth 31 that docks with injection apparatus on MOLD CLAMPING APPARATUS 3, MOLD CLAMPING APPARATUS 3's inside is provided with the die cavity that is used for moulding cooling and conveniently getting the piece to the plastics raw materials. When producing a first batch of products, an injection device is docked with the feed opening 31 of the closing device 3 and the plastic material is fed into the closing device 3 for shaping, cooling and removal. After the first batch of products are produced, the relative distance between the support table 1 and the sliding table 4 is changed, so that the injection device is separated from the feeding port 31; then moving the position of the injection device on the support table 1 to align another injection device with the material inlet 31; after alignment, the relative distance between the support table 1 and the sliding table 4 is changed again, so that the other injection device is in butt joint with the feeding port 31 of the mold closing device 3; the butt joint is accomplished the back and is cleared up used injection device, and another injection device drops into production work when the clearance, maintains the normal production process of injection molding machine, avoids the clearance to the influence of production process, and because in time to making used injection device clearance, prevents that remaining material from solidifying and the adhesion in injection device is inside in the course of the work, reduces the clearance degree of difficulty, and it is more convenient to clear up.

Referring to fig. 2 and 3, the injection device includes a feed hopper 21, a feed cylinder 22, a hydraulic cylinder 23 and a sliding base 24, the feed cylinder 22 is disposed on the sliding base 24, one end of the feed cylinder 22 is set as an inlet end, the other end of the feed cylinder 22 is set as an outlet end and the outlet end is provided with a nozzle 221 toward the mold closing device 3, the hydraulic cylinder 23 is disposed on one side of the inlet end, the feed hopper 21 is disposed above the inlet end, and the sliding base 24 is disposed on the supporting table 1 and connected with the supporting table. When the injection molding machine is used, powdery or granular plastic raw materials are conveyed to the inlet end of the charging barrel 22 through the feeding hopper 21, and under the action of the hydraulic cylinder 23, the plastic raw materials in the charging barrel 22 are conveyed into the mold closing device 3 through the nozzle 221 for subsequent operations such as molding and the like, so that the complete production process of the injection molding machine is realized.

A screw 222 is arranged in the charging barrel 22, one end of the screw 222 is fixedly connected with the hydraulic cylinder 23, and the other end of the screw extends into the charging barrel 22 from the inlet end of the charging barrel 22; the inner side of the wall of the charging barrel 22 is provided with a heating layer formed by an electromagnetic heating coil; a flat iron hoop 223 is arranged in the middle of the outer side of the wall of the charging barrel 22, the flat iron hoop 223 wraps the periphery of the charging barrel 22, two ends of the flat iron hoop 223 are attached to the upper surface of the sliding base 24, fixing holes are formed in the attaching positions, and fixing bolts 2231 are arranged on the fixing holes in a matched mode; the position of feed cylinder 22 outside entry end is provided with the fixed cardboard 224 that leaks hopper-shaped, and feeder hopper 21 is pegged graft in fixed cardboard 224, and the laminating of the outside of feeder hopper 21 and the inner wall of fixed cardboard 224, and jackscrew 2241 is worn to be equipped with in laminating department. During the use, fixing bolt 2231 inserts the fixed orifices and fixes feed cylinder 22 on base 24 that slides, feeder hopper 21 pegs graft in fixed cardboard 224, through jackscrew 2241 with feeder hopper 21 and feed cylinder 22 fixed connection, get into granular or likepowder plastics raw materials in feed cylinder 22 from feeder hopper 21, the heating layer heats plastics raw materials makes plastics be the molten state, pneumatic cylinder 23 drives screw 222 and rotates and send the fused plastics in the feed cylinder 22 to the exit end of feed cylinder 22, send the fused plastics into MOLD CLAMPING APPARATUS 3 by nozzle 221 and carry out the moulding.

The position where the upper surface of the sliding base 24 contacts the charging barrel 22 is set to be an arc-shaped limiting surface 241, the middle position of the bottom surface of the sliding base 24 is welded with a nut sleeve 242, and two ends of the bottom surface of the sliding base 24 are also provided with C-shaped sliding grooves 243 with openings facing the supporting table 1. During the use, the base 24 that slides moves on a supporting bench 1, drives the feed cylinder 22 on the base 24 that slides and removes, and then realizes the removal of injection device on a supporting bench 1, makes things convenient for different injection device's replacement work to make things convenient for the meter in time to clear up used injection device.

The bottom of the hydraulic cylinder 23 is provided with a C-shaped sliding block 231 having an opening facing the support table 1, and the sliding block 231 is connected to the upper surface of the support table 1 in a sliding manner. When the injection device is used, the relative position of the sliding block 231 and the support table 1 is moved according to requirements, so that the injection device is convenient to move and replace.

The support table 1 is correspondingly provided with a first long bump 11, a second long bump 12 and a third long bump 13 for the sliding chute 243 and the sliding block 231 to move, the bottom of the support table 1 is provided with a translation block 18 towards the sliding table 4, the length direction of the translation block 18 is vertical to the first long bump 11, the upper surface of the support table 1 is also provided with a driving device, the driving device comprises a motor 14, a coupler 15, a ball screw 16 and a screw fixing frame 17 provided with a fixing hole, the motor 14 is fixedly arranged at one end of the support table 1, the screw fixing frame 17 is arranged at the other end of the support table 1 opposite to the motor 14, the coupler 15 is arranged at one end of an output shaft of the motor 14, one end of the ball screw penetrates through the coupler 15 and is fixedly connected, the other end of the ball screw penetrates through the nut sleeve 242 and the fixing hole in sequence and is connected with the sliding base 24 and the screw fixing frame 17 in a rotating mode, and the length direction of the ball screw is perpendicular to the length direction of the charging barrel 22. When the injection device is used, the motor 14 drives the ball screw to rotate in the nut sleeve 242 and the fixed hole, so that the sliding base 24, the injection device fixed on the sliding base 24 and the hydraulic cylinder 23 are driven to move, and the position movement and the switching use of the two injection devices are realized.

Referring to fig. 4, a translation groove 41 for moving the translation block 18 and enabling the nozzle 221 to be in butt joint with and separated from the material inlet 31 is arranged on the sliding table 4, a hydraulic push cylinder 42 is arranged on one side of the sliding table 4 far away from the mold clamping device 3, an output rod 421 of the hydraulic push cylinder 42 is fixedly connected with the support table 1, and a spring 422 is wound on the outer side of the output rod 421. When the injection device is used in production, the hydraulic pushing cylinder 42 pushes the supporting block to move along the translation groove 41 and align the nozzle 221 with the feeding port 31; after production is finished, the hydraulic push rod is retracted and the injection device is pulled under the action of the spring 422, so that the nozzle 221 moves out of the feeding port 31, and the injection device is separated from the mold closing device 3.

From the above, when producing the first batch of products, an injection device is put into operation, the motor 14 is started to drive the ball screw to rotate, so that the sliding base 24 and the sliding block 231 respectively move along the first long bump 11, the second long bump 12 and the third long bump 13, and further drive the charging barrel 22 and the hydraulic cylinder 23 to move until the nozzle 221 of the injection device is aligned with the feeding port 31; then the push rod pushes the support table 1 to move towards the mold closing device 3, so that the nozzle 221 is aligned with the feeding port 31; after alignment, the plastic raw material is fed into the charging barrel 22 through the feeding hopper 21, the heating layer heats the charging barrel 22, the hydraulic cylinder 23 pushes the screw 222 to move to feed the molten plastic to the outlet end of the charging barrel 22 and extrude the molten plastic to enter the feeding port 31 through the nozzle 221, and the plastic forming, cooling and part taking are carried out by the mold closing device 3, so that the processing of the first batch of products is completed.

After the first batch of products is produced, the hydraulic push rod is retracted, the used injection device is restored to the position before use under the action of the spring 422, and the nozzle 221 is moved out of the feeding port 31; then starting the motor 14 to drive the ball screw to rotate, so that the sliding base 24 and the sliding block 231 respectively move along the first long bump 11, the second long bump 12 and the third long bump 13, and further drive the charging barrel 22 and the hydraulic cylinder 23 to move until the nozzle 221 of another injection device is aligned with the feeding port 31; after alignment, the ram of the hydraulic ram 42 is pushed to align the nozzle 221 of the injection device with the inlet port 31 and begin the manufacturing process while the used injection device is cleaned.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a multistation injection molding machine which characterized in that: including brace table (1), a plurality of injection apparatus and closing die device (3), the injection apparatus sets up side by side on brace table (1), and closing die device (3) set up in one side of injection apparatus, are provided with pan feeding mouth (31) with the injection apparatus butt joint on closing die device (3), and the inside of closing die device (3) is provided with the die cavity that is used for moulding cooling and conveniently getting the piece to the plastics raw materials.

2. A multi-station injection molding machine according to claim 1, characterized in that: the bottom of the supporting table (1) is connected with a sliding table (4) in a sliding mode, one side, far away from the mold closing device (3), of the sliding table (4) is provided with a hydraulic push cylinder (42), an output rod (421) of the hydraulic push cylinder (42) is fixedly connected with the supporting table (1), and a spring (422) is wound on the outer side of the output rod (421).

3. A multi-station injection molding machine according to claim 2, characterized in that: the device is characterized in that a translation block (18) is arranged at the bottom of the support table (1), and a translation groove (41) for the translation block (18) to move and enable the nozzle (221) to be in butt joint with the feeding port (31) is arranged on the sliding table (4).

4. A multi-station injection molding machine according to claim 1, characterized in that: the injection device comprises a feed hopper (21), a charging barrel (22), a hydraulic cylinder (23) and a sliding base (24), wherein the charging barrel (22) is arranged on the sliding base (24), one side of the charging barrel (22) facing the mold closing device (3) is provided with a nozzle (221), a screw (222) is arranged in the charging barrel (22), one end of the screw (222) is fixedly connected with the hydraulic cylinder (23), the other end of the screw extends into the charging barrel (22) from the inlet end of the charging barrel (22), and the inner side of the wall of the charging barrel (22) is provided with a heating layer formed by an electromagnetic heating coil; the hydraulic cylinder (23) is arranged on one side of the inlet end, the feed hopper (21) is arranged above the inlet end, and the sliding base (24) is arranged on the supporting table (1) and connected with the supporting table (1) in a sliding manner.

5. A multi-station injection molding machine as claimed in claim 4, wherein: the outside intermediate position of feed cylinder (22) wall is provided with band iron staple bolt (223), and band iron staple bolt (223) wraps up in feed cylinder (22) periphery, and the both ends of band iron staple bolt (223) and the upper surface laminating of base (24) that slides, and laminating department is provided with the fixed orifices, sets fixing bolt (2231) on the fixed orifices.

6. A multi-station injection molding machine as claimed in claim 4, wherein: the feed hopper is characterized in that a fixing clamping plate (224) used for fixing the feed hopper (21) is arranged on the outer side of the feed barrel (22), and jackscrews (2241) penetrate through the side wall of the fixing clamping plate (224).

7. A multi-station injection molding machine as claimed in claim 4, wherein: the position of the upper surface of the sliding base (24) contacting with the charging barrel (22) is set to be an arc-shaped limiting surface (241).

8. A multi-station injection molding machine as claimed in claim 4, wherein: sliding chutes (243) are arranged on two sides of the bottom surface of the sliding base (24), nut sleeves (242) are welded in the middle of the bottom surface of the sliding base (24), and a first long bump (11) and a second long bump (12) for the sliding chutes (243) to move and a driving device for driving the sliding chutes (243) to move are correspondingly arranged on the supporting table (1);

the driving device comprises a motor (14), a coupler (15), a ball screw (16) and a screw fixing frame (17) provided with a fixing hole, the motor (14) is fixedly arranged at one end of a supporting table (1), the screw fixing frame (17) is arranged at the other end, opposite to the motor (14), of the supporting table (1), the coupler (15) is arranged at one end of an output shaft of the motor (14), one end of the ball screw penetrates through the coupler (15) and is fixedly connected with the output shaft of the motor (14), the other end of the ball screw penetrates through a nut sleeve (242) and a fixing hole in sequence, is rotatably connected with a sliding base (24) and the screw fixing frame (17), and the length direction of the ball screw is perpendicular to that of a charging barrel (22).

9. A multi-station injection molding machine as claimed in claim 4, wherein: the bottom of pneumatic cylinder (23) is provided with and is provided with sliding block (231), correspond on brace table (1) and be provided with third long lug (13) that supply sliding block (231) to remove.