CN213107884U - Anti-blocking injection molding device - Google Patents

Abstract

The utility model relates to an anti-blocking injection molding device, which comprises a frame, a feeding device, a heating device, a feeding hopper and a dredging device; the feeding device is arranged above the feeding device and communicated with the feeding device; the dredging device comprises a fixed support arranged on the feed hopper, at least two linear guide rails arranged on the fixed support, a moving plate arranged on the linear guide rails, a vertical driving piece arranged on the moving plate, a telescopic rod arranged at the bottom of the vertical driving piece and a driving motor used for driving the moving plate to move back and forth along the length direction of the linear guide rails; the telescopic link bottom is equipped with the thimble, and the device can realize the mediation operation to the raw materials, prevents that the raw materials from blockking up in the feeder hopper bottom, has reduced equipment failure rate to production efficiency's improvement has been guaranteed.

Description

Anti-blocking injection molding device

Technical Field

The utility model relates to a technical field of moulding plastics, concretely relates to prevent device of moulding plastics of jam.

Background

An injection moulding machine, also known as an injection moulding machine or an injection machine, is a main moulding device for making thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic moulding mould, and is divided into a vertical type, a horizontal type and an all-electric type, wherein the injection moulding machine can heat the plastics, apply high pressure to the molten plastics to inject the molten plastics to fill a mould cavity, has a working principle similar to that of an injection syringe for injection, injects the plastified molten plastics (i.e. viscous state) into the closed mould cavity by means of the thrust of a screw (or a plunger), and obtains the products after solidification and shaping.

The existing injection molding machine has the problem that the bottom of a feed hopper is easy to block in the production process and needs to be maintained frequently, the existing common method is to dredge by manual tools, the mode is troublesome to operate and long in occupied time, the equipment is short in downtime, and the production efficiency is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent device of moulding plastics of jam to the above-mentioned problem that exists among the prior art.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: an anti-blocking injection molding device comprises a frame, a feeding device, a heating device, a feed hopper and a dredging device; the feeding device is arranged above the feeding device and communicated with the feeding device; the dredging device comprises a fixed support arranged on the feed hopper, at least two linear guide rails arranged on the fixed support, a moving plate arranged on the linear guide rails, a vertical driving piece arranged on the moving plate, a telescopic rod arranged at the bottom of the vertical driving piece and a driving motor used for driving the moving plate to move back and forth along the length direction of the linear guide rails; the bottom end of the telescopic rod is provided with a thimble.

The working principle and the beneficial effects are as follows: during the use, add the plastics pearl raw materials in the feeder hopper, carry out the feeding operation to the plastics pearl raw materials through feed arrangement, heat the melting to the plastics pearl through the common heating device who installs on feed arrangement, make feed arrangement can inject molten state's raw materials into the mould in, can drive the movable plate through driving motor and remove directly over the feeder hopper, descend through vertical driving piece drive telescopic link, dredge the operation bottom the feeder hopper through the thimble, constantly drive the thimble through vertical driving piece and strike repeatedly, can dredge well, when not needing to use, can open one such as telescopic link through driving motor, do not obstruct the feeding operation of plastics pearl raw materials, compare manual operation's mode, high operation, it is efficient to dredge, the equipment down time has been reduced, and the production efficiency is greatly improved.

Furthermore, a rotating motor which is in driving connection with the ejector pin is arranged in the telescopic rod. This setting installs common small-size gear motor inside the telescopic link, and is rotatory through the great moment of torsion drive thimble of gear motor to the mediation effect has been improved.

Furthermore, the thimble is provided with a stirring blade in a detachable way. Through the setting of stirring leaf, can further improve the mediation effect, the stirring leaf passes through instruments such as screws and installs on the stirring leaf simultaneously, can conveniently carry out the dismouting.

Furthermore, the movable plate is arranged on a slide block of the linear guide rail, an installation block is arranged on the movable plate, a screw rod nut is arranged on the installation block, and a screw rod of the driving motor is connected with the screw rod nut. The driving motor drives the mounting block to move through the matching of the screw rod and the screw nut, so that the moving plate slides on the linear guide rail, the advantages of small friction coefficient and high linear motion precision of the linear guide rail are utilized, the burden of the driving motor can be greatly reduced, and the positioning precision of the whole dredging device is improved.

Furthermore, feed arrangement is including locating the feeding chamber in the frame, locating the feeding screw rod of feeding intracavity and being used for driving the rotatory driving motor who realizes the plastics pearl feeding of feeding screw rod, be equipped with the mouth of moulding plastics on the feeding chamber. The feeding of plastics pearl is realized through the rotation of driving motor drive feeding screw rod, constantly extrudees the mouth of moulding plastics through the spiral power with the plastics of molten condition simultaneously and discharges, simple structure, and the feeding is efficient.

Further, be equipped with the clout recovery unit with feed arrangement intercommunication in the frame, clout recovery unit is including locating the first ooff valve in the feeding cavity, with the row material pipe of feeding cavity intercommunication, locate the second ooff valve in row material pipe and with the recycling bin of arranging the butt joint of material pipe. When normal operating, first ooff valve opens, and the second ooff valve is closed for plastics can only be discharged from the mouth of moulding plastics, and when needs retrieve the clout, first ooff valve closed, the second ooff valve is opened, and cooperation feeding screw makes plastics can only discharge from arranging the material pipe, and plastics are retrieved by the recycling bin, simple structure, convenient operation.

Furthermore, be equipped with the clamping device who is used for carrying out the centre gripping to the recycling bin in the frame, clamping device includes two grip blocks that mirror symmetry set up, locates the hollow shaft sleeve on every grip block and locates the first spring in the hollow shaft sleeve, be equipped with in the frame with first spring complex spring post, the one end that hollow shaft sleeve was kept away from to first spring is connected with the spring post. The resilience force of the first spring drives the clamping block to clamp the recycling bin, so that the recycling bin cannot be displaced due to vibration when the machine runs.

Furthermore, one of the clamping blocks is provided with a tightening device, the tightening device comprises a sliding sleeve arranged on the clamping block, a contraction rod matched with the sliding sleeve and an electric cylinder used for driving the contraction rod to expand and contract, a through hole is arranged in the sliding sleeve, and a limiting flange is arranged on the through hole. The electric cylinder drives the contraction rod to drive the sliding sleeve, so that one clamping block is pulled open, the recovery barrel is convenient to take, and the operation is convenient.

Further, the driving motor is a servo speed reduction motor.

Further, the vertical driving piece is an air cylinder or an electric cylinder.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an internal structural view of the present invention;

fig. 4 is a plan sectional view of the present invention;

FIG. 5 is a schematic structural view of a residue recovering device;

FIG. 6 is an enlarged view of A in FIG. 3;

FIG. 7 is an enlarged view of B in FIG. 4;

fig. 8 is an enlarged view of C in fig. 5.

In the figure, 1, a frame; 2. a feeding device; 3. a heating device; 4. a remainder recovery device; 5. a dredging device; 11. a wallboard; 12. a spring post; 21. a feed cavity; 22. a feed hopper; 23. a feed screw; 24. a drive motor; 25. an injection molding port; 41. a first on-off valve; 42. a discharge pipe; 43. a second on-off valve; 44. a recycling bin; 51. fixing a bracket; 52. a linear guide rail; 53. moving the plate; 54. a vertical drive; 55. a telescopic rod; 56. a drive motor; 57. a thimble; 58. a rotating electric machine; 59. stirring blades; 61. a clamping block; 62. a hollow shaft sleeve; 63. a first spring; 71. a sliding sleeve; 72. a retracting lever; 73. an electric cylinder; 441. a handle; 442. a baffle plate; 711. a through hole; 712. limiting and blocking edges; 721. a limiting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

As shown in fig. 1-8, the anti-clogging injection molding device includes a frame 1, a feeding device 2, a heating device 3, a feeding hopper 22 and a dredging device 5, wherein the heating device 3 is a prior art, and generally has a built-in temperature sensor, which can realize precise temperature adjustment, and the structure thereof is not described herein again.

Specifically, a plurality of wall plates 11 made of cast iron are arranged on the frame 1, the wall plates 11 are mounted on the frame 1 through common screws, the feeding device 2 is mounted on the wall plates 11 through screws and the like, the feeding device 2 is supported through the wall plates 11, and the feeding hopper 22 is arranged above the feeding device 2 and communicated with the feeding device 2;

specifically, the dredging device 5 comprises a fixed support 51 welded on the feed hopper 22, two linear guide rails 52 mounted on the fixed support 51 through screws, a moving plate 53 mounted on a slider of the linear guide rail 52 through screws, a vertical driving member 54 mounted on the moving plate 53 through screws, a telescopic rod 55 arranged at the bottom of the vertical driving member 54, and a driving motor 56 for driving the moving plate 53 to move back and forth along the length direction of the linear guide rails 52.

In this embodiment, the vertical driving member 54 is a common air cylinder or an electric cylinder, the telescopic rod 55 is installed at the bottom of a piston rod of the air cylinder or the bottom of a push rod of the electric cylinder 73 through a screw or a coupling, and the specific structure is a conventional technical means, which is not described herein again.

In the present embodiment, the two linear guides 52 are disposed in parallel, and the linear guides 52 are commercially available products.

Specifically, the bottom end of the telescopic rod 55 is provided with a thimble 57, the thimble 57 is rotatably connected with the telescopic rod 55, and the thimble 57 is made of high-strength stainless steel or other alloy materials.

Specifically, a rotating motor 58 which is in driving connection with the ejector pin 57 is arranged in the telescopic rod 55. This setting, with common small-size gear motor install inside telescopic link 55, it is rotatory through the great moment of torsion drive thimble 57 of gear motor to the mediation effect has been improved.

Specifically, the thimble 57 is detachably provided with a stirring blade 59. Through the setting of stirring leaf 59, can further improve the mediation effect, stirring leaf 59 passes through instruments such as screws to be installed on stirring leaf 59 simultaneously, can conveniently carry out the dismouting.

Specifically, the moving plate 53 is arranged on a slider of the linear guide rail 52, an installation block is arranged on the moving plate 53, a screw nut is arranged on the installation block, and a screw of the driving motor 56 is connected with the screw nut. The driving motor 56 drives the mounting block to move through the matching of the screw rod and the screw nut, so that the moving plate 53 slides on the linear guide rail 52, and by utilizing the advantages of small friction coefficient and high linear motion precision of the linear guide rail 52, the burden of the driving motor 56 can be greatly reduced, and meanwhile, the positioning precision of the whole dredging device 5 is improved.

Specifically, feed arrangement 2 is including locating feeding cavity 21 on frame 1, locating feeding screw 23 in feeding cavity 21 and being used for driving feeding screw 23 rotatory driving motor 24 that realizes the feeding of plastic bead, be equipped with on feeding cavity 21 and mould plastics mouthful 25, be equipped with the helicla flute on feeding screw 23. The feeding screw 23 is driven to rotate by the driving motor 24 to realize feeding of plastic beads, and meanwhile, the plastic in a molten state is extruded to the injection molding port 25 through the spiral force to be discharged, so that the structure is simple, and the feeding efficiency is high.

Specifically, be equipped with the clout recovery unit 4 with feed arrangement 2 intercommunication on the frame 1, clout recovery unit 4 is including locating first ooff valve 41 in the feeding chamber 21, the row's material pipe 42 with feeding chamber 21 intercommunication, locating second ooff valve 43 in row's material pipe 42 and the recycling bin 44 of arranging material pipe 42 butt joint. When normal operating, first ooff valve 41 opens, second ooff valve 43 closes, make plastics only can discharge from moulding plastics mouth 25, when needs retrieve the clout, first ooff valve 41 closes, second ooff valve 43 opens, cooperation feed screw 23 makes plastics only can discharge from row material pipe 42, plastics are retrieved by recycling bin 44, moreover, the steam generator is simple in structure, and convenient for operation, first ooff valve 41 and second ooff valve 43 all are connected with common control computer through the wire, control two ooff valves respectively through control computer.

Specifically, be equipped with the clamping device who is used for carrying out the centre gripping to the recycling bin 44 in the frame 1, clamping device includes two grip blocks 61 that mirror symmetry set up, locates hollow axle sleeve 62 on every grip block 61 and locates the first spring 63 in the hollow axle sleeve 62, be equipped with in the frame 1 with first spring 63 complex spring post 12, the one end that hollow axle sleeve 62 was kept away from to first spring 63 is connected with spring post 12. The clamping block 61 is driven by the resilience force of the first spring 63 to clamp the recycling bin 44, so that the recycling bin 44 is not displaced due to vibration when the machine is running. A silica gel layer can be adhered to the clamping block 61 to reduce surface damage to the recycling bin 44 and increase friction force.

Specifically, a tightening device is arranged on one of the clamping blocks 61, the tightening device includes a sliding sleeve 71 arranged on the clamping block 61, a contraction rod 72 matched with the sliding sleeve 71, and an electric cylinder 73 for driving the contraction rod 72 to extend and retract, a through hole 711 is arranged in the sliding sleeve 71, and a limit flange 712 is arranged on the through hole 711. The contraction rod 72 can slide in the sliding sleeve 71, but when the electric cylinder 73 drives the contraction rod 72 to stretch outwards, the limiting ring 721 can contact with the limiting rib 712, so that the contraction rod 72 can pull the sliding sleeve 71, the recovery barrel 44 can be loosened by pulling the clamping block 61, the recovery barrel 44 is convenient to take, and the handle 441 can be arranged on the recovery barrel 44, so that the recovery barrel is more convenient to take.

In this embodiment, in order to take recycling bin 44 conveniently, two handles 441 are arranged on recycling bin 44, a guide slide way is formed by two handles 441, and only needs to be pushed into when recycling bin 44 is placed, discharge pipe 42 can slide into the guide slide way, and handles 441 are made of a heat insulating material to prevent scalding hands, a rotatable baffle 442 is further installed between two handles 441, and baffle 442 can play a role in blocking hot air from being emitted to an opening of handles 441, so that a hand scalding prevention effect is further improved.

In the present embodiment, the driving motor 24 is a common servo deceleration motor.

The part of the utility model which is not described in detail is the prior art, so the utility model does not detail the part.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Although the terms of the frame 1, the feeding device 2, the heating device 3, the excess material recycling device 4, the dredging device 5, the wall plate 11, the spring column 12, the feeding cavity 21, the feeding hopper 22, the feeding screw 23, the driving motor 24, the injection molding opening 25, the first on-off valve 41, the discharging pipe 42, the second on-off valve 43, the recycling bin 44, the fixed bracket 51, the linear guide rail 52, the moving plate 53, the vertical driving member 54, the telescopic rod 55, the driving motor 56, the thimble 57, the rotating motor 58, the stirring blade 59, the clamping block 61, the hollow shaft sleeve 62, the first spring 63, the sliding sleeve 71, the telescopic rod 72, the electric cylinder 73, the handle 441, the baffle 442, the mounting block, the lead screw nut, the through hole 711, the limit stop 712, the limit ring 721 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims (9)

1. An anti-blocking injection molding device is characterized by comprising a rack, a feeding device, a heating device, a feeding hopper and a dredging device; the feeding device is arranged above the feeding device and communicated with the feeding device; the dredging device comprises a fixed support arranged on the feed hopper, at least two linear guide rails arranged on the fixed support, a moving plate arranged on the linear guide rails, a vertical driving piece arranged on the moving plate, a telescopic rod arranged at the bottom of the vertical driving piece and a driving motor used for driving the moving plate to move back and forth along the length direction of the linear guide rails; the bottom end of the telescopic rod is provided with a thimble.

2. The anti-clogging injection molding device according to claim 1, wherein a rotating motor is arranged in the telescopic rod and is in driving connection with the ejector pin.

3. The anti-clogging injection molding apparatus according to claim 1, wherein the ejector pin is detachably provided with a stirring blade.

4. The anti-clogging injection molding device according to claim 1, wherein the moving plate is disposed on a slider of the linear guide, and the moving plate is provided with a mounting block, the mounting block is provided with a lead screw nut, and a lead screw of the driving motor is connected with the lead screw nut.

5. The anti-clogging injection molding device according to claim 1, wherein the feeding device comprises a feeding cavity arranged on the frame, a feeding screw arranged in the feeding cavity, and a driving motor for driving the feeding screw to rotate to realize feeding of the plastic beads, and the feeding cavity is provided with an injection molding opening.

6. The anti-clogging injection molding device according to claim 5, wherein the frame is provided with a residual material recycling device communicated with the feeding device, and the residual material recycling device comprises a first switch valve arranged in the feeding cavity, a discharge pipe communicated with the feeding cavity, a second switch valve arranged in the discharge pipe and a recycling bin butted with the discharge pipe.

7. The anti-clogging injection molding device according to claim 6, wherein the frame is provided with a clamping device for clamping the recycling bin, the clamping device comprises two clamping blocks arranged in a mirror symmetry manner, a hollow shaft sleeve arranged on each clamping block, and a first spring arranged in the hollow shaft sleeve, the frame is provided with a spring post matched with the first spring, and one end of the first spring, which is far away from the hollow shaft sleeve, is connected with the spring post.

8. The anti-clogging injection molding apparatus as claimed in claim 5, wherein said drive motor is a servo-motor.

9. An anti-clogging injection molding apparatus as claimed in any one of claims 1 to 8, wherein said vertical drive member is a pneumatic cylinder.

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