CN110142917B - Plastic injection molding machine - Google Patents
Plastic injection molding machine Download PDFInfo
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- CN110142917B CN110142917B CN201910479507.2A CN201910479507A CN110142917B CN 110142917 B CN110142917 B CN 110142917B CN 201910479507 A CN201910479507 A CN 201910479507A CN 110142917 B CN110142917 B CN 110142917B
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- injection molding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
- B29C45/07—Injection moulding apparatus using movable injection units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the field of plastic product processing, in particular to a plastic injection molding machine, which comprises an injection molding barrel, a vertical seat plate, a base plate, an injection molding head, a material pumping pipe with a control valve, a pressure pumping plate, a pressure pumping rod, a chute frame, a linkage plate, a driving mechanism, a driving connecting rod, a linkage mechanism, a horizontal bracket and a mold mounting seat, wherein the injection molding barrel is fixedly connected to the vertical seat plate; the vertical base plate is fixedly connected to the base plate; the front end of the injection molding cylinder is fixedly connected with an injection molding head and a material pumping pipe; the drawing disc is connected in the injection cylinder in a sealing and sliding manner; two ends of the drawing and pressing rod are respectively and fixedly connected with the drawing and pressing disc and the linkage plate; the middle end of the drawing and pressing rod is connected to the sliding groove frame in a sliding fit manner; the invention can automatically butt joint the injection mold and the injection head, and realizes the communication of the injection cylinder, the injection head and the injection mold after butt joint, thereby facilitating injection molding work and effectively improving the work efficiency of plastic injection molding.
Description
Technical Field
The invention relates to the field of plastic product processing, in particular to a plastic injection molding machine.
Background
Plastic injection molding machines are also known as plastic injection molding machines or plastic injection machines. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The plastic injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The plastic injection molding machine in the prior art has lower injection molding efficiency.
Disclosure of Invention
The invention aims to provide a plastic injection molding machine, which can automatically butt an injection mold and an injection head, and can realize the communication of an injection cylinder, the injection head and the injection mold after butt joint, thereby facilitating injection molding work and effectively improving the work efficiency of plastic injection.
The purpose of the invention is realized by the following technical scheme:
a plastic injection molding machine comprises an injection molding barrel, a vertical seat plate, a base plate, an injection molding head, a material pumping pipe with a control valve, a pressure pumping plate, a pressure pumping rod, a chute frame, a linkage plate, a driving mechanism, a driving connecting rod, a linkage mechanism, a horizontal bracket and a mold mounting seat, wherein the injection molding barrel is fixedly connected to the vertical seat plate; the vertical base plate is fixedly connected to the base plate; the front end of the injection molding cylinder is fixedly connected with an injection molding head and a material pumping pipe; the drawing disc is connected in the injection cylinder in a sealing and sliding manner; two ends of the drawing and pressing rod are respectively and fixedly connected with the drawing and pressing disc and the linkage plate; the middle end of the drawing and pressing rod is connected to the sliding groove frame in a sliding fit manner; the sliding groove frame is fixedly connected to the rear end of the injection molding barrel; two ends of the driving mechanism are respectively and fixedly connected with the vertical seat plate and one end of the driving connecting rod; the middle part of the driving connecting rod is connected to the vertical seat plate in a sliding manner; the other end of the driving connecting rod is fixedly connected with a linkage plate; the driving connecting rod is in transmission connection with the linkage mechanism; the linkage mechanism is in transmission connection with the horizontal bracket; two ends of the horizontal bracket are respectively and fixedly connected with the vertical seat plate and the die mounting seat; and the outer wall of the injection molding cylinder is fixedly connected with an annular electric heating plate.
And a rubber sealing ring is fixedly connected on the outer side surface of the drawing plate.
The injection molding head comprises a cylindrical sleeve, a feeding pipe, a conical discharge head without a conical tip, a compression ring, a sliding rod, a pressure spring, a limiting block and a spring pipe; the rear end of the cylindrical sleeve is fixedly connected and communicated with the injection cylinder; the rear end of the feeding pipe is connected in the cylindrical sleeve in a sealing and sliding fit manner; the rear end of the pipe surface of the feeding pipe is uniformly provided with a plurality of feeding holes in a surrounding manner; the front end of the pipe surface of the feeding pipe is fixedly connected with a compression ring; the rear side surface of the compression ring is fixedly connected with a sliding rod; the sliding rod is connected in the spring tube in a sliding fit manner; a pressure spring is arranged in the spring tube and is positioned between the rear end of the sliding rod and the inner side surface of the spring tube; the rear end of the spring tube is fixedly connected to the injection molding cylinder; the front end of the feeding pipe is fixedly connected and communicated with the conical discharging head; the rear end of the sliding rod is fixedly connected with a limiting block, and the limiting block is connected in the front sliding hole and the rear sliding hole of the spring tube in a sliding fit mode.
After the compression spring is compressed, a plurality of feeding holes at the rear end of the pipe surface of the feeding pipe are inserted into the injection molding barrel.
The driving mechanism comprises an electric push rod and a push-pull plate; the fixed end of the electric push rod is fixedly connected to the vertical seat plate; the movable end of the electric push rod is fixedly connected with the lower end of the push-pull plate; the upper end of the push-pull plate is fixedly connected with the front end of the driving connecting rod.
The driving connecting rod comprises a driving rack, a lower sliding plate, a lower chute box and a lower stop block; the front end and the rear end of the driving rack are respectively fixedly connected with a push-pull plate and a lower sliding plate; the rear end of the lower sliding plate is connected in a lower rectangular sliding groove at the front end of the lower sliding groove box in a sliding fit manner; the top surface of the lower chute box is provided with a lower rectangular sliding hole communicated with the interior of the lower rectangular chute, a lower stop block is connected in the lower rectangular chute in a sliding fit manner, and the lower stop block is fixedly connected at the rear end of the lower sliding plate; the driving rack is in meshing transmission connection with the linkage mechanism.
The linkage mechanism comprises a gear, a wheel shaft and a shaft frame plate; the gear is fixedly connected to the wheel shaft, two ends of the wheel shaft are respectively and rotatably connected to one shaft frame plate, and the two shaft frame plates are fixedly connected to the base plate; the driving rack is in meshing transmission connection with the gear; the gear is in meshing transmission connection with the horizontal bracket.
The horizontal bracket comprises a bracket body, a driven rack, an upper sliding plate with a plurality of front and rear semicircular grooves on the top surface, an upper sliding groove box, a spring plate, a tension spring and a mandril with a hemispherical top block at the bottom end; the front end and the rear end of the passive rack are respectively fixedly connected with the bracket body and the upper sliding plate; the rear end of the upper sliding plate is connected in an upper rectangular sliding groove at the front end of the upper sliding groove box in a sliding fit manner; the rear end of the upper chute box is fixedly connected to the vertical seat plate; the top end of the ejector rod is fixedly connected with a spring plate, a tension spring is fixedly connected between the spring plate and the upper chute box, the middle part of the ejector rod is connected to the top surface of the upper chute box in a sliding fit manner, and a hemispherical ejector block at the bottom end of the ejector rod is in clearance fit with the semicircular groove; the gear is in meshed transmission connection with the driven rack.
The die mounting seat comprises a mounting plate provided with a bolt connecting hole, a rectangular sliding rod, a lifting seat, a rectangular sleeve, a rotating block, a screw and a compression spring; the upper end and the lower end of the rectangular sliding rod are respectively fixedly connected with the mounting plate and the lifting seat, and the lower end of the rectangular sliding rod is connected in the rectangular sleeve in a sliding fit manner; the lifting seat is connected in the longitudinal groove of the rectangular sleeve in a sliding fit manner; the top end of the screw rod is fixedly connected with the rotating block, the middle end of the screw rod is connected to the rectangular sleeve through threads, and the bottom end of the screw rod is connected to the lifting seat in a rotating fit manner; a compression spring is sleeved on the screw rod between the lifting seat and the rectangular sleeve; the lower end of the rectangular sleeve is fixedly connected to the bracket body.
The elasticity of extension spring is greater than the elasticity of pressure spring.
The invention has the beneficial effects that: according to the plastic injection molding machine, the injection mold and the injection head can be automatically butted, and the injection cylinder, the injection head and the injection mold are communicated after being butted, so that the injection molding work is facilitated, and the work efficiency of plastic injection molding can be effectively improved; the butt joint of the injection mold and the injection molding head can be realized by integrally adopting an electric push rod, the injection molding head is communicated with the injection molding barrel, and the sliding extrusion injection molding or sliding material pumping work of the pumping disc in the injection molding barrel is realized; the invention has better integral continuity and higher working efficiency.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a cross-sectional view of the overall construction of the present invention;
FIG. 4 is a schematic view of the internal injection head of the present invention;
FIG. 5 is a cross-sectional structural view of the internal injection head of the present invention;
FIG. 6 is a schematic view of the internal feed tube of the present invention;
FIG. 7 is a schematic view of the internal drive mechanism of the present invention;
FIG. 8 is a schematic view of the internal drive link of the present invention;
FIG. 9 is a schematic view of the internal linkage of the present invention;
FIG. 10 is a schematic view of the construction of the internal horizontal bracket of the present invention;
FIG. 11 is a cross-sectional structural view of the internal horizontal bracket of the present invention;
FIG. 12 is a schematic view of the internal mold mount of the present invention.
In the figure: an injection molding barrel 1; a vertical seat plate 2; a base plate 3; an injection head 4; a cylindrical sleeve 4-1; a feed pipe 4-2; 4-3 of a conical discharging head; 4-4 of a compression ring; 4-5 of a sliding rod; 4-6 of a pressure spring; 4-7 of a limiting block; 4-8 parts of a spring tube; a material pumping pipe 5; a drawing disk 6; a drawing and pressing rod 7; a chute frame 8; a linkage plate 9; a drive mechanism 10; an electric push rod 10-1; a push-pull plate 10-2; a drive link 11; a driving rack 11-1; a lower slide plate 11-2; a lower chute box 11-3; a lower stop block 11-4; a link mechanism 12; gear 12-1; an axle 12-2; a pedestal plate 12-3; a horizontal bracket 13; a bracket body 13-1; a passive rack 13-2; an upper slide plate 13-3; an upper chute box 13-4; 13-5 of a spring plate; a tension spring 13-6; a mandril 13-7; a die mount 14; mounting plate 14-1; a rectangular slide bar 14-2; a lifting seat 14-3; a rectangular sleeve 14-4; 14-5 of a rotating block; 14-6 parts of screw; a compression spring 14-7; and (3) injection molding of the mold 15.
Detailed Description
The present invention is described in further detail below with reference to figures 1-12.
The first embodiment is as follows:
as shown in fig. 1-12, a plastic injection molding machine comprises an injection cylinder 1, a vertical seat plate 2, a base plate 3, an injection head 4, a material pumping pipe 5 with a control valve, a pressure pumping disc 6, a pressure pumping rod 7, a chute frame 8, a linkage plate 9, a driving mechanism 10, a driving connecting rod 11, a linkage mechanism 12, a horizontal bracket 13 and a mold mounting seat 14, wherein the injection cylinder 1 is fixedly connected to the vertical seat plate 2; the vertical seat plate 2 is fixedly connected to the base plate 3; the front end of the injection cylinder 1 is fixedly connected with an injection head 4 and a material pumping pipe 5; the drawing and pressing disc 6 is connected in the injection cylinder 1 in a sealing and sliding manner; two ends of the drawing and pressing rod 7 are respectively and fixedly connected with a drawing and pressing plate 6 and a linkage plate 9; the middle end of the drawing and pressing rod 7 is connected to the sliding groove frame 8 in a sliding fit manner; the chute frame 8 is fixedly connected to the rear end of the injection cylinder 1; two ends of the driving mechanism 10 are respectively and fixedly connected with the vertical seat plate 2 and one end of the driving connecting rod 11; the middle part of the driving connecting rod 11 is connected to the vertical seat plate 2 in a sliding manner; the other end of the driving connecting rod 11 is fixedly connected with a linkage plate 9; the driving connecting rod 11 is in transmission connection with a linkage mechanism 12; the linkage mechanism 12 is in transmission connection with a horizontal bracket 13; two ends of the horizontal bracket 13 are respectively and fixedly connected with the vertical seat plate 2 and the die mounting seat 14; and the outer wall of the injection molding cylinder 1 is fixedly connected with an annular electric heating plate.
When the plastic injection molding machine works, firstly, the driving mechanism 10 is communicated with a power supply and is opened through a control switch, after the driving mechanism 10 is opened, raw material extraction work can be firstly carried out, a control valve of a material extraction pipe 5 is opened, the material extraction pipe 5 is communicated with molten plastic solution through a liquid extraction hose, then the driving mechanism 10 controls the whole driving connecting rod 11 to move backwards, the driving connecting rod 11 drives the pressure extraction rod 7 to move backwards through the linkage plate 9 when moving backwards, the pressure extraction rod 7 drives the pressure extraction disc 6 to move backwards in the injection molding cylinder 1, so that the plastic solution is extracted into the injection molding cylinder 1, and at the moment, the injection molding cylinder 1 is not communicated with the injection molding head 4; performing injection molding after extracting the raw materials, and when performing plastic injection molding, firstly installing an injection mold 15 for plastic injection molding on a mold installation seat 14, and then adjusting the height of the injection mold 15 through the mold installation seat 14 so that an injection port of the injection mold 15 is opposite to the injection head 4; the driving mechanism 10 drives the driving connecting rod 11 to move forwards, the front end of the driving connecting rod 11 drives the linkage mechanism 12 to work, the linkage mechanism 12 drives the horizontal bracket 13 to work, the horizontal bracket 13 can drive the mold mounting seat 14 to move, so that the injection mold 15 on the mold mounting seat 14 moves towards the injection head 4, after an injection port of the injection mold 15 is contacted with the injection head 4, pressure towards the injection cylinder 1 is generated on the injection head 4, so that the injection cylinder 1 is communicated with the injection head 4, then the driving mechanism 10 continues to drive the driving connecting rod 11 to move forwards until the driving connecting rod 11 is separated from the linkage mechanism 12, the position of the horizontal bracket 13 can be automatically fixed, the driving connecting rod 11 can drive the linkage plate 9 to move forwards when continuing to move forwards, the linkage plate 9 drives the pressure drawing plate 6 to slide forwards in the injection cylinder 1 through the pressure drawing rod 7, the drawing and pressing rod 7 horizontally slides on the sliding groove frame 8, and the sliding groove frame 8 plays a role in guiding and limiting; the drawing disc 6 slides forwards in the injection cylinder 1 to extrude the plastic solution in the injection cylinder 1 into the injection head 4 and extrude the plastic solution into the injection mold 15 on the mold mounting seat 14 through the injection head 4; after filling is completed, the driving mechanism 10 is controlled to work reversely, when the driving mechanism 10 works reversely, the plastic solution to be filled is extracted through the material extracting pipe 5 again, the injection mold 15 is driven to be separated from the injection head 4, the injection head 4 can be automatically disconnected and communicated with the injection cylinder 1 after being separated from the injection mold 15, and the plastic solution to be filled can be extracted through the material extracting pipe 5 conveniently; the outer wall of the injection molding barrel 1 is fixedly connected with an annular electric heating plate, and the annular electric heating plate can be a temperature-adjustable electric heating plate purchased in the market, so that plastic solution in the injection molding barrel 1 can be heated conveniently, plastic solidification is prevented, and the injection molding effect is improved.
The second embodiment is as follows:
as shown in fig. 1 to 12, a rubber sealing ring is fixedly connected to the outer side surface of the drawing plate 6. The rubber sealing ring is arranged for ensuring that the pressure drawing disc 6 slides in the injection molding cylinder 1 in a sealing way.
The third concrete implementation mode:
as shown in fig. 1-12, the injection head 4 comprises a cylindrical sleeve 4-1, a feeding pipe 4-2, a conical discharge head 4-3 without a conical tip, a compression ring 4-4, a sliding rod 4-5, a pressure spring 4-6, a limiting block 4-7 and a spring pipe 4-8; the rear end of the cylindrical sleeve 4-1 is fixedly connected and communicated with the injection cylinder 1; the rear end of the feeding pipe 4-2 is connected in the cylindrical sleeve 4-1 in a sealing and sliding fit manner; the rear end of the pipe surface of the feeding pipe 4-2 is uniformly provided with a plurality of feeding holes in a surrounding manner; the front end of the tube surface of the feeding tube 4-2 is fixedly connected with a pressing ring 4-4; the rear side surface of the compression ring 4-4 is fixedly connected with a sliding rod 4-5; the sliding rod 4-5 is connected in the spring tube 4-8 in a sliding fit manner; a pressure spring 4-6 is arranged in the spring tube 4-8, and the pressure spring 4-6 is positioned between the rear end of the sliding rod 4-5 and the inner side surface of the spring tube 4-8; the rear ends of the spring tubes 4-8 are fixedly connected to the injection cylinder 1; the front end of the feeding pipe 4-2 is fixedly connected and communicated with the conical discharging head 4-3; the rear end of the sliding rod 4-5 is fixedly connected with a limiting block 4-7, and the limiting block 4-7 is connected in a front sliding hole and a rear sliding hole of the spring tube 4-8 in a sliding fit mode.
After the compression spring 4-6 is compressed, a plurality of feeding holes at the rear end of the tube surface of the feeding tube 4-2 are inserted into the injection molding barrel 1. The injection molding head 4 is used for outputting plastic solution, and a plurality of feeding holes on the pipe surface of the feeding pipe 4-2 are positioned on the inner side of the cylindrical sleeve 4-1 in a conventional state, so that the plastic solution in the injection molding cylinder 1 cannot enter the feeding pipe 4-2; after the injection mold 15 is contacted with the conical discharge head 4-3 and the compression ring 4-4 in the injection head 4, the compression ring 4-4 can be pressed backwards, the compression ring 4-4 drives the feed pipe 4-2 to slide backwards in the cylindrical sleeve 4-1, at the moment, the sliding rod 4-5 slides in the spring pipe 4-8 and compresses the compression spring 4-6, a plurality of feed holes at the rear end of the pipe surface of the feed pipe 4-2 are inserted into the injection cylinder 1, so that the plastic solution in the injection cylinder 1 can enter the feed pipe 4-2 under the extrusion action of the pressure drawing disc 6 and perform injection molding, otherwise, after the injection mold 15 is separated from the conical discharge head 4-3 and the compression ring 4-4 in the injection head 4, the sliding rod 4-5 can slide forwards in the cylindrical sleeve 4-1 under the elastic force of the compression spring 4-6, thereby driving the press ring 4-4 and the conical discharging head 4-3 to slide forwards, the press ring 4-4 driving the feeding pipe 4-2 to slide forwards in the cylindrical sleeve 4-1, further leading a plurality of feeding holes on the pipe surface of the feeding pipe 4-2 to slide to the inner side of the cylindrical sleeve 4-1, disconnecting the connection with the injection molding cylinder 1 and being convenient for extracting plastic solution through the material extracting pipe 5.
The fourth concrete implementation mode:
as shown in fig. 1-12, the driving mechanism 10 includes an electric push rod 10-1 and a push-pull plate 10-2; the fixed end of the electric push rod 10-1 is fixedly connected to the vertical seat plate 2; the movable end of the electric push rod 10-1 is fixedly connected with the lower end of the push-pull plate 10-2; the upper end of the push-pull plate 10-2 is fixedly connected with the front end of a driving connecting rod 11. The electric push rod 10-1 in the driving mechanism 10 is a commercially available electric push rod, the electric push rod 10-1 can drive the push-pull plate 10-2 to horizontally move in the front-back direction, and the push-pull plate 10-2 can drive the driving connecting rod 11 to horizontally slide on the vertical seat plate 2 when moving.
The fifth concrete implementation mode:
as shown in fig. 1-12, the driving link 11 includes a driving rack 11-1, a lower slide plate 11-2, a lower chute box 11-3 and a lower stopper 11-4; the front end and the rear end of the driving rack 11-1 are respectively fixedly connected with a push-pull plate 10-2 and a lower slide plate 11-2; the rear end of the lower sliding plate 11-2 is connected in a lower rectangular sliding groove at the front end of the lower sliding groove box 11-3 in a sliding fit manner; a lower rectangular sliding hole communicated with the inside of the lower rectangular sliding groove is formed in the top surface of the lower sliding groove box 11-3, a lower blocking block 11-4 is connected in the lower rectangular sliding hole in a sliding fit mode, and the lower blocking block 11-4 is fixedly connected to the rear end of the lower sliding plate 11-2; the driving rack 11-1 is in meshing transmission connection with a linkage mechanism 12; the lower chute box 11-3 is connected to the vertical seat plate 2 in a sliding fit manner. The driving connecting rod 11 is used for driving the linkage plate 9 and the linkage mechanism 12 to work; when the push-pull plate 10-2 moves, the driving rack 11-1 can be driven to slide back and forth, and the driving rack 11-1 drives the lower chute box 11-3 to slide on the vertical seat plate 2 through the lower sliding plate 11-2 and the lower stop block 11-4; when injection molding is carried out, the push-pull plate 10-2 firstly drives the sliding plate 11-2 to slide in the lower chute box 11-3 through the driving rack 11-1 and drives the lower stop block 11-4 to slide in the lower rectangular sliding hole, at the moment, the lower chute box 11-3 is not driven to move, the driving rack 11-1 drives the linkage mechanism 12 to work, until the lower stop block 11-4 slides to the foremost end of the lower rectangular sliding hole, an injection port of the injection mold 15 is contacted with the injection head 4, pressure towards the injection cylinder 1 is generated on the injection head 4, and the injection cylinder 1 is communicated with the injection head 4; at the moment, when the push-pull plate 10-2 continues to move forwards, the driving rack 11-1 is separated from the linkage mechanism 12, the driving rack 11-1 drives the lower chute box 11-3 to slide forwards on the vertical seat plate 2 through the lower sliding plate 11-2 and the lower stop block 11-4, and the lower chute box 11-3 drives the drawing and pressing rod 7 to work through the linkage plate 9, so that the injection molding work is realized.
The sixth specific implementation mode:
as shown in fig. 1-12, the linkage 12 includes a gear 12-1, an axle 12-2, and a pedestal plate 12-3; the gear 12-1 is fixedly connected to the wheel shaft 12-2, two ends of the wheel shaft 12-2 are respectively and rotatably connected to one shaft frame plate 12-3, and the two shaft frame plates 12-3 are both fixedly connected to the base plate 3; the driving rack 11-1 is in meshing transmission connection with the gear 12-1; the gear 12-1 is in meshed transmission connection with the horizontal bracket 13. The linkage mechanism 12 is used for cooperating with the driving connecting rod 11 to drive the horizontal bracket 13 to work, when the driving rack 11-1 moves forwards and is in contact with the gear 12-1, the driving rack 11-1 can drive the gear 12-1 to rotate anticlockwise, and when the gear 12-1 rotates anticlockwise, the horizontal bracket 13 drives the mold mounting seat 14 to move backwards, so that an injection port of an injection mold 15 on the mold mounting seat 14 is in contact with the injection head 4; otherwise, separation is performed.
The seventh embodiment:
as shown in fig. 1-12, the horizontal bracket 13 includes a bracket body 13-1, a passive rack 13-2, an upper slide 13-3 with a plurality of front and rear semicircular grooves on the top surface, an upper slide box 13-4, a spring plate 13-5, a tension spring 13-6, and a top rod 13-7 with a hemispherical top block at the bottom end; the front end and the rear end of the passive rack 13-2 are respectively fixedly connected with the bracket body 13-1 and the upper sliding plate 13-3; the rear end of the upper sliding plate 13-3 is connected in an upper rectangular sliding groove at the front end of the upper sliding groove box 13-4 in a sliding fit manner; the rear end of the upper chute box 13-4 is fixedly connected to the vertical seat plate 2; the top end of the ejector rod 13-7 is fixedly connected with a spring plate 13-5, a tension spring 13-6 is fixedly connected between the spring plate 13-5 and the upper chute box 13-4, the middle part of the ejector rod 13-7 is connected to the top surface of the upper chute box 13-4 in a sliding fit manner, and a hemispherical ejector block at the bottom end of the ejector rod 13-7 is in clearance fit with the semicircular groove; the gear 12-1 is in meshed transmission connection with a driven rack 13-2. When the horizontal bracket 13 works, when the driving rack 11-1 moves forwards and is in contact with the gear 12-1, the driving rack 11-1 can drive the gear 12-1 to rotate anticlockwise, the gear 12-1 rotates anticlockwise to drive the driven rack 13-2 to move backwards, and the driven rack 13-2 drives the upper sliding plate 13-3 to slide towards the inner side of the upper chute box 13-4 and drives the bracket body 13-1 to move backwards, so that the die mounting seat 14 moves backwards; when the driving rack 11-1 is separated from the gear 12-1, the driven rack 13-2 and the gear 12-1 can be pushed into the semicircular groove on the top surface of the upper sliding plate 13-3 through the ejector rod 13-7 to be relatively fixed, and the tension spring 13-6 is in a stretching state under a normal state, so that the ejector rod 13-7 can be tightly pushed on the upper sliding plate 13-3.
The specific implementation mode is eight:
as shown in fig. 1-12, the die mounting base 14 includes a mounting plate 14-1 provided with a bolt connecting hole, a rectangular sliding rod 14-2, a lifting base 14-3, a rectangular sleeve 14-4, a rotating block 14-5, a screw 14-6 and a compression spring 14-7; the upper end and the lower end of the rectangular sliding rod 14-2 are respectively fixedly connected with the mounting plate 14-1 and the lifting seat 14-3, and the lower end of the rectangular sliding rod 14-2 is connected in the rectangular sleeve 14-4 in a sliding fit manner; the lifting seat 14-3 is connected in a sliding fit manner in a longitudinal groove of the rectangular sleeve 14-4; the top end of the screw 14-6 is fixedly connected with a rotating block 14-5, the middle end of the screw 14-6 is connected to the rectangular sleeve 14-4 through threads, and the bottom end of the screw 14-6 is connected to the lifting seat 14-3 in a rotating fit manner; a compression spring 14-7 is sleeved on a screw 14-6 between the lifting seat 14-3 and the rectangular sleeve 14-4; the lower end of the rectangular sleeve 14-4 is fixedly connected to the bracket body 13-1; and an injection mold 15 required to be used is fixedly arranged on the mounting plate 14-1. When the mold mounting seat 14 is used, the injection mold 15 is mounted, the height of the injection mold 15 can be adjusted, injection ports and injection heads 4 of different injection molds 15 can be conveniently arranged, and the injection mold 15 can be mounted on the mounting plate 14-1 through bolts; the rectangular sleeve 14-4 can move under the driving of the bracket body 13-1, so that the whole of the mold mounting seat 14 drives the injection mold 15 to move, an injection port of the injection mold 15 is in contact with the injection head 4, and the injection head 4 is controlled to be communicated with the injection cylinder 1; when the height of the injection mold 15 needs to be adjusted, the rotating block 14-5 is rotated to drive the screw 14-6 to rotate, when the screw 14-6 rotates, the contact position of the screw 14-6 and the rectangular sleeve 14-4 can be changed, the lifting seat 14-3 is driven to slide in the longitudinal groove of the rectangular sleeve 14-4, the lifting seat 14-3 drives the rectangular slide bar 14-2 to move up and down, and the rectangular slide bar 14-2 drives the mounting plate 14-1 and the injection mold 15 on the mounting plate 14-1 to adjust the height.
The invention relates to a plastic injection molding machine, which has the working principle that: when the injection molding machine works, firstly, the driving mechanism 10 is connected with a power supply and is opened through a control switch, after the driving mechanism 10 is opened, raw material extraction can be firstly carried out, a control valve of the material extraction pipe 5 is opened, the material extraction pipe 5 is connected with molten plastic solution through a liquid extraction hose, then the driving mechanism 10 controls the whole driving connecting rod 11 to move backwards, when the driving connecting rod 11 moves backwards, the linkage plate 9 drives the pressure extraction rod 7 to move backwards, the pressure extraction rod 7 drives the pressure extraction disc 6 to move backwards in the injection molding cylinder 1, so that the plastic solution is extracted into the injection molding cylinder 1, and at the moment, the injection molding cylinder 1 is not connected with the injection molding head 4; performing injection molding after extracting the raw materials, and when performing plastic injection molding, firstly installing an injection mold 15 for plastic injection molding on a mold installation seat 14, and then adjusting the height of the injection mold 15 through the mold installation seat 14 so that an injection port of the injection mold 15 is opposite to the injection head 4; the driving mechanism 10 drives the driving connecting rod 11 to move forwards, the front end of the driving connecting rod 11 drives the linkage mechanism 12 to work, the linkage mechanism 12 drives the horizontal bracket 13 to work, the horizontal bracket 13 can drive the mold mounting seat 14 to move, so that the injection mold 15 on the mold mounting seat 14 moves towards the injection head 4, after an injection port of the injection mold 15 is contacted with the injection head 4, pressure towards the injection cylinder 1 is generated on the injection head 4, so that the injection cylinder 1 is communicated with the injection head 4, then the driving mechanism 10 continues to drive the driving connecting rod 11 to move forwards until the driving connecting rod 11 is separated from the linkage mechanism 12, the position of the horizontal bracket 13 can be automatically fixed, the driving connecting rod 11 can drive the linkage plate 9 to move forwards when continuing to move forwards, the linkage plate 9 drives the pressure drawing plate 6 to slide forwards in the injection cylinder 1 through the pressure drawing rod 7, the drawing and pressing rod 7 horizontally slides on the sliding groove frame 8, and the sliding groove frame 8 plays a role in guiding and limiting; the drawing disc 6 slides forwards in the injection cylinder 1 to extrude the plastic solution in the injection cylinder 1 into the injection head 4 and extrude the plastic solution into the injection mold 15 on the mold mounting seat 14 through the injection head 4; after filling is completed, the driving mechanism 10 is controlled to work reversely, when the driving mechanism 10 works reversely, the plastic solution to be filled is extracted through the material extracting pipe 5 again, the injection mold 15 is driven to be separated from the injection head 4, the injection head 4 can be automatically disconnected and communicated with the injection cylinder 1 after being separated from the injection mold 15, and the plastic solution to be filled can be extracted through the material extracting pipe 5 conveniently; the outer wall of the injection molding barrel 1 is fixedly connected with an annular electric heating plate, and the annular electric heating plate can be a temperature-adjustable electric heating plate purchased in the market, so that plastic solution in the injection molding barrel 1 can be heated conveniently, plastic solidification is prevented, and the injection molding effect is improved.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (9)
1. The utility model provides a plastic injection molding machine, includes a section of thick bamboo of moulding plastics (1), erects bedplate (2), bedplate (3), the head of moulding plastics (4), has control valve's material pipe (5), takes out pressure dish (6), takes out depression bar (7), chute frame (8), linkage plate (9), actuating mechanism (10), drive connecting rod (11), linkage mechanism (12), horizontal bracket (13) and die holding seat (14), its characterized in that: the injection molding cylinder (1) is fixedly connected to the vertical seat plate (2); the vertical seat plate (2) is fixedly connected to the base plate (3); the front end of the injection cylinder (1) is fixedly connected with an injection head (4) and a material pumping pipe (5); the drawing and pressing disc (6) is connected in the injection molding cylinder (1) in a sealing and sliding manner; two ends of the drawing and pressing rod (7) are respectively and fixedly connected with a drawing and pressing plate (6) and a linkage plate (9); the middle end of the drawing and pressing rod (7) is connected to the sliding groove frame (8) in a sliding fit manner; the chute frame (8) is fixedly connected to the rear end of the injection molding barrel (1); two ends of the driving mechanism (10) are respectively and fixedly connected with the vertical seat plate (2) and one end of the driving connecting rod (11); the middle part of the driving connecting rod (11) is connected to the vertical seat plate (2) in a sliding manner; the other end of the driving connecting rod (11) is fixedly connected with a linkage plate (9); the driving connecting rod (11) is in transmission connection with a linkage mechanism (12); the linkage mechanism (12) is in transmission connection with the horizontal bracket (13); and two ends of the horizontal bracket (13) are respectively and fixedly connected with the vertical seat plate (2) and the die mounting seat (14).
2. A plastic injection molding machine according to claim 1, characterized in that: and a rubber sealing ring is fixedly connected on the outer side surface of the drawing plate (6).
3. A plastic injection molding machine according to claim 1, characterized in that: the injection molding head (4) comprises a cylindrical sleeve (4-1), a feeding pipe (4-2), a conical discharging head (4-3) without a conical tip, a pressing ring (4-4), a sliding rod (4-5), a pressure spring (4-6), a limiting block (4-7) and a spring pipe (4-8); the rear end of the cylindrical sleeve (4-1) is fixedly connected and communicated with the injection cylinder (1); the rear end of the feeding pipe (4-2) is connected in the cylindrical sleeve (4-1) in a sealing and sliding fit manner; the rear end of the pipe surface of the feeding pipe (4-2) is uniformly provided with a plurality of feeding holes in a surrounding manner; the front end of the tube surface of the feeding tube (4-2) is fixedly connected with a press ring (4-4); the rear side surface of the compression ring (4-4) is fixedly connected with a sliding rod (4-5); the sliding rod (4-5) is connected in the spring tube (4-8) in a sliding fit manner; a pressure spring (4-6) is arranged in the spring pipe (4-8), and the pressure spring (4-6) is positioned between the rear end of the sliding rod (4-5) and the inner side surface of the spring pipe (4-8); the rear ends of the spring tubes (4-8) are fixedly connected to the injection molding cylinder (1); the front end of the feeding pipe (4-2) is fixedly connected and communicated with the conical discharging head (4-3); the rear end of the sliding rod (4-5) is fixedly connected with a limiting block (4-7), and the limiting block (4-7) is connected in a front sliding hole and a rear sliding hole of the spring tube (4-8) in a sliding fit mode.
4. A plastic injection molding machine according to claim 3, characterized in that: after the compression spring (4-6) is compressed, a plurality of feeding holes at the rear end of the pipe surface of the feeding pipe (4-2) are inserted into the injection molding cylinder (1).
5. A plastic injection molding machine according to claim 4, characterized in that: the driving mechanism (10) comprises an electric push rod (10-1) and a push-pull plate (10-2); the fixed end of the electric push rod (10-1) is fixedly connected to the vertical seat plate (2); the movable end of the electric push rod (10-1) is fixedly connected with the lower end of the push-pull plate (10-2); the upper end of the push-pull plate (10-2) is fixedly connected with the front end of the driving connecting rod (11).
6. A plastic injection molding machine according to claim 5, characterized in that: the driving connecting rod (11) comprises a driving rack (11-1), a lower sliding plate (11-2), a lower chute box (11-3) and a lower stop block (11-4); the front end and the rear end of the driving rack (11-1) are respectively fixedly connected with a push-pull plate (10-2) and a lower sliding plate (11-2); the rear end of the lower sliding plate (11-2) is connected in a lower rectangular sliding groove at the front end of the lower sliding groove box (11-3) in a sliding fit manner; a lower rectangular sliding hole communicated with the inside of the lower rectangular sliding groove is formed in the top surface of the lower sliding groove box (11-3), a lower stop block (11-4) is connected in the lower rectangular sliding hole in a sliding fit mode, and the lower stop block (11-4) is fixedly connected to the rear end of the lower sliding plate (11-2); the driving rack (11-1) is in meshing transmission connection with a linkage mechanism (12); the lower chute box (11-3) is connected to the vertical seat plate (2) in a sliding fit manner.
7. A plastic injection molding machine according to claim 6, characterized in that: the linkage mechanism (12) comprises a gear (12-1), a wheel shaft (12-2) and a shaft bracket plate (12-3); the gear (12-1) is fixedly connected to the wheel shaft (12-2), two ends of the wheel shaft (12-2) are respectively and rotatably connected to one shaft frame plate (12-3), and the two shaft frame plates (12-3) are fixedly connected to the base plate (3); the driving rack (11-1) is in meshing transmission connection with the gear (12-1); the gear (12-1) is in meshed transmission connection with the horizontal bracket (13).
8. A plastic injection molding machine according to claim 7, wherein: the horizontal bracket (13) comprises a bracket body (13-1), a driven rack (13-2), an upper sliding plate (13-3) with a plurality of front and rear semicircular grooves on the top surface, an upper sliding groove box (13-4), a spring plate (13-5), a tension spring (13-6) and a mandril (13-7) with a hemispherical jacking block at the bottom end; the front end and the rear end of the passive rack (13-2) are respectively and fixedly connected with the bracket body (13-1) and the upper sliding plate (13-3); the rear end of the upper sliding plate (13-3) is connected in an upper rectangular sliding groove at the front end of the upper sliding groove box (13-4) in a sliding fit manner; the rear end of the upper chute box (13-4) is fixedly connected to the vertical seat plate (2); the top end of the ejector rod (13-7) is fixedly connected with a spring plate (13-5), a tension spring (13-6) is fixedly connected between the spring plate (13-5) and the upper chute box (13-4), the middle part of the ejector rod (13-7) is connected to the top surface of the upper chute box (13-4) in a sliding fit manner, and a hemispherical ejector block at the bottom end of the ejector rod (13-7) is in clearance fit with the semicircular groove; the gear (12-1) is in meshed transmission connection with the driven rack (13-2).
9. A plastic injection molding machine according to claim 8, wherein: the die mounting seat (14) comprises a mounting plate (14-1) provided with a bolt connecting hole, a rectangular sliding rod (14-2), a lifting seat (14-3), a rectangular sleeve (14-4), a rotating block (14-5), a screw (14-6) and a compression spring (14-7); the upper end and the lower end of the rectangular sliding rod (14-2) are respectively fixedly connected with an installation plate (14-1) and a lifting seat (14-3), and the lower end of the rectangular sliding rod (14-2) is connected in a rectangular sleeve (14-4) in a sliding fit manner; the lifting seat (14-3) is connected in a longitudinal groove of the rectangular sleeve (14-4) in a sliding fit manner; the top end of the screw rod (14-6) is fixedly connected with a rotating block (14-5), the middle end of the screw rod (14-6) is connected to the rectangular sleeve (14-4) through threads, and the bottom end of the screw rod (14-6) is connected to the lifting seat (14-3) in a rotating fit manner; a compression spring (14-7) is sleeved on a screw rod (14-6) between the lifting seat (14-3) and the rectangular sleeve (14-4); the lower end of the rectangular sleeve (14-4) is fixedly connected to the bracket body (13-1).
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| CN201910479507.2A CN110142917B (en) | 2019-06-04 | 2019-06-04 | Plastic injection molding machine |
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| CN201910479507.2A CN110142917B (en) | 2019-06-04 | 2019-06-04 | Plastic injection molding machine |
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| CN110142917B true CN110142917B (en) | 2021-07-09 |
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| CN110696270B (en) * | 2019-10-17 | 2021-10-22 | 邵东市龙旺打火机有限公司 | Injection molding and stamping die |
| CN111319204B (en) * | 2020-03-02 | 2022-03-29 | 杭州宏凌塑胶五金有限公司 | Intelligent injection molding system |
| CN113172826B (en) * | 2021-04-25 | 2023-09-29 | 太仓市意诚塑业有限公司 | Integrated injection mold |
| CN114379024B (en) * | 2022-01-19 | 2023-09-12 | 西安紫江企业有限公司 | Screw extrusion equipment is used in production of compound macromolecular material of graphite alkene |
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| CN201253930Y (en) * | 2008-01-22 | 2009-06-10 | 林中选 | Mould turnover device |
| JP6689626B2 (en) * | 2016-02-29 | 2020-04-28 | 住友重機械工業株式会社 | Injection molding machine |
| ES2841976T3 (en) * | 2017-10-17 | 2021-07-12 | Mold Masters 2007 Ltd | Injection molding apparatus |
| CN207373592U (en) * | 2017-11-06 | 2018-05-18 | 东阳市昊宇工艺饰品有限公司 | A kind of full-automatic plastic injection moulding machine |
| CN208133471U (en) * | 2018-02-09 | 2018-11-23 | 广东伟达智能装备股份有限公司 | Platform mobile device is penetrated in synchronous interaction |
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Address after: 522000 floor 1, building 6, zone a, Zhongde metal eco city, Jiedong District, Jieyang City, Guangdong Province Patentee after: Jieyang JIAnADa Technology Co.,Ltd. Address before: 528308 Keji East Road, Xiyong village committee, Lunjiao, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN JIANADA TECHNOLOGY CO.,LTD. |
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