CN221339441U - Injection screw structure for injection molding machine - Google Patents
Injection screw structure for injection molding machine Download PDFInfo
- Publication number
- CN221339441U CN221339441U CN202323293515.9U CN202323293515U CN221339441U CN 221339441 U CN221339441 U CN 221339441U CN 202323293515 U CN202323293515 U CN 202323293515U CN 221339441 U CN221339441 U CN 221339441U
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- wall
- injection
- sets
- side wall
- molding machine
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- 238000002347 injection Methods 0.000 title claims abstract description 39
- 239000007924 injection Substances 0.000 title claims abstract description 39
- 238000001746 injection moulding Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 25
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Abstract
The utility model discloses an injection screw structure for an injection molding machine, which belongs to the technical field of injection molding machine screws and comprises a frame, wherein a driving device is arranged at the top of the frame, an injection cylinder is arranged on the left side wall of the driving device, a feeding funnel is arranged at the top of the injection cylinder, a mold forming device is arranged at the left side of the top of the frame, a conveying rod is arranged in the injection cylinder, one end of the conveying rod penetrates through the right side wall of the injection cylinder and is connected with the output end of the driving device, the outer wall of a backflow stopping plate is connected with the inner wall of the injection cylinder, a plurality of groups of one-way discharge holes are formed in the right side wall of the backflow stopping plate, a plurality of groups of reset sealing assemblies matched with the one-way discharge holes are arranged on the left side wall of the backflow stopping plate, the radius of the outer wall of a second spiral blade is larger than that of the first spiral blade, the second spiral blade can rapidly convey materials under the action of a disturbance rod, the use strength of a screw section below the feeding funnel is lightened, and therefore the materials can be conveyed easily, and the service life of the screw is prolonged.
Description
Technical Field
The utility model relates to the technical field of injection molding machine screws, in particular to an injection screw structure for an injection molding machine.
Background
Injection molding machines are also known as injection molding machines or injection molding machines. The plastic molding machine is mainly used for molding thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and is divided into vertical, horizontal and full-electric type, the plastic can be heated by an injection molding machine, high pressure is applied to molten plastics to enable the molten plastics to be injected to fill a die cavity, the radius of spiral blades of the existing injection screw structure is mostly the same, so that when materials in a feed hopper enter a injection cylinder, the strength of the screw section below the feed hopper for conveying the materials is higher, the conveying of the materials is harder, and the screw is easy to wear; moreover, when the existing injection screw structure is used for conveying materials, the conical extrusion head needs to extrude the materials into the die forming device, but when the existing conical extrusion head stops extruding the materials into the die forming device, the materials are easy to flow back, so that the injection screw structure for the injection molding machine is provided.
Disclosure of utility model
The utility model aims to provide an injection screw structure for an injection molding machine, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection screw structure for injection molding machine, includes the frame, the frame top is equipped with drive arrangement, and the drive arrangement left side wall is equipped with the injection tube, the injection tube top is provided with feed hopper, frame top left side is equipped with mould forming device, be equipped with the transfer line in the injection tube, right side wall is connected with the drive arrangement output in the transfer line one end runs through the injection tube, and the transfer line other end is provided with toper extrusion head, the transfer line right side outer wall cup joints and installs and be equipped with the second spiral leaf, second spiral leaf inside wall is equipped with multiunit disturbance pole, the transfer line left side outer wall cup joints and installs and be equipped with first spiral leaf, the transfer line is close to the outer wall of toper extrusion head and cup joints and have stopped the backward flow board, it is connected with the injection tube inner wall to stop backward flow board outer wall, the multiunit one-way discharge gate is seted up to the backward flow board right side wall, the backward flow board left side wall is equipped with multiunit and one-way discharge gate matched with reset seal assembly.
Further, the sealing component that resets includes two sets of sleeves that the board left side wall that ends flows back is equipped with, the board left side that ends flows back is equipped with the installation piece, the installation piece bottom is equipped with and is one-way discharge gate matched with closing plate, the lateral wall all is equipped with the pivot around the installation piece, two sets of pivot one ends run through two sets of sleeve relative lateral walls respectively and two sets of sleeve are kept away from the bearing that the lateral wall was equipped with in keeping away from in the interior phase, two sets of pivot outer walls all cup joint the installation and are equipped with the mounting panel, two sets of pivot outer walls all cup joint the reset torsion spring, two sets of reset torsion spring one end are kept away from the lateral wall with two sets of mounting panels respectively and are connected, two sets of reset torsion spring other ends are kept away from the lateral wall in two sets of sleeves respectively and are connected.
Further, the left side wall is equipped with the limiting plate in the sleeve, and the limiting groove has been seted up to limiting plate right side wall, and sliding connection is equipped with three sets of gag lever posts in the limiting groove, and three sets of gag lever posts one end all are connected with mounting panel left side wall.
Further, the mounting block is arranged in a T shape.
Further, the plurality of groups of disturbance rods are spirally arranged on the inner side wall of the second spiral blade.
Further, the plurality of groups of one-way discharge holes are distributed on the right side wall of the backflow prevention plate in an annular array.
Further, the second helical lobe outer wall radius is greater than the first helical lobe outer wall radius.
Compared with the prior art, the utility model has the beneficial effects that: the radius of the outer wall of the second spiral blade is larger than that of the outer wall of the first spiral blade, the second spiral blade can rapidly convey materials, the materials can be disturbed under the action of the disturbance rod, the use intensity of the screw rod section below the feeding funnel is reduced, the materials can be conveyed easily, and the service life of the screw rod is prolonged; the material backflow can be prevented under the cooperation of the non-return flow plate, the one-way discharge hole and the reset sealing assembly, so that the material can not flow back when the conical extrusion head stops extruding the material into the die forming device, and the backflow preventing effect is good.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the delivery cartridge of the present utility model;
FIG. 3 is a left side view of the internal structure of the delivery cartridge of the present utility model;
FIG. 4 is a left side view of the internal structure of the sleeve of the present utility model;
Fig. 5 is a right side view of the limiting plate structure of the present utility model.
In the figure: 1. a frame; 2. a driving device; 3. a syringe; 4. a feed hopper; 5. a mold forming device; 6. a conical extrusion head; 7. a backflow prevention plate; 8. a one-way discharge port; 9. a conveying rod; 10. a first helical leaf; 11. a second helical leaf; 12. a disturbance rod; 13. resetting the seal assembly; 130. a sealing plate; 131. a mounting block; 132. a sleeve; 133. a rotating shaft; 134. a reset torsion spring; 135. a mounting plate; 136. a limit rod; 137. a limiting plate; 138. and a limit groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: injection screw structure for injection molding machine, which comprises a frame 1, frame 1 top is equipped with drive arrangement 2, drive arrangement 2 left side wall is equipped with injection tube 3, injection tube 3 top is provided with feed hopper 4, frame 1 top left side is equipped with mould forming device 5, be equipped with conveying rod 9 in the injection tube 3, conveying rod 9 one end runs through the interior right side wall of injection tube 3 and is connected with drive arrangement 2 output, the conveying rod 9 other end is provided with toper extrusion head 6, conveying rod 9 right side outer wall cup joints and installs second helical blade 11, second helical blade 11 inside wall is equipped with multiunit disturbance pole 12, multiunit disturbance pole 12 is the heliciform setting at second helical blade 11 inside wall, can carry out the disturbance to the material under the effect of disturbance pole 12, conveying rod 9 left side outer wall cup joints and installs first helical blade 10, second helical blade 11 outer wall radius is greater than first helical blade 10 outer wall radius, second helical blade 11 can carry the material fast, alleviate the use intensity that is located the feed hopper 4 below screw rod section, thereby conveying rod 9 right side wall cup joints and installs second helical blade 11, multiunit helical blade 7 is equipped with multiunit spiral blade 7 and is equipped with one-way flow check plate 7 at the one-way back flow check plate 8, multiunit check plate 7 is equipped with one-way flow check plate 7, the one-way flow check plate 8 is connected with the multiunit check plate 8, the check plate 8 is equipped with the check plate 8, the one-way plate 8 is connected with the discharge plate.
Referring to fig. 4-5, the reset sealing assembly 13 includes two sets of sleeves 132 disposed on the left side wall of the backflow stopping plate 7, a mounting block 131 disposed on the left side of the backflow stopping plate 7, the mounting block 131 is disposed in a T shape, sealing plates 130 matched with the unidirectional discharge port 8 are disposed at the bottom of the mounting block 131, rotating shafts 133 are disposed on front and rear side walls of the mounting block 131, one ends of the two sets of rotating shafts 133 penetrate through opposite side walls of the two sets of sleeves 132 respectively and are connected with bearings disposed on inner sides of the two sets of sleeves 132 far away from the side walls, mounting plates 135 are disposed on outer walls of the two sets of rotating shafts 133 in a sleeved mode, reset torsion springs 134 are disposed on outer walls of the two sets of rotating shafts 133 in a sleeved mode, one ends of the two sets of reset torsion springs 134 are connected with the two sets of mounting plates 135 far away from the side walls respectively, the other ends of the two sets of reset torsion springs 134 are connected with inner sides of the two sets of sleeves 132 far away from the side walls respectively, a limiting plate 137 is disposed on the inner left side wall of the sleeve 132, a limiting plate 137 is disposed on the right side wall of the limiting plate 137, three sets of limiting rods 136 are disposed in a sliding connection, one end of the limiting plate 136 is disposed on the limiting plate 138, and the other end of the limiting plate is connected with the limiting plate 135, and the end is connected with the left side wall of the limiting plate 135.
Working principle: the material enters the injection cylinder 3 through the feeding funnel 4, the driving device drives the conveying rod 9 to rotate, so that the conveying rod 9 drives the first spiral blade 10, the second spiral blade 11, the conical extrusion head 6 and the disturbance rod 12 to rotate (the conical extrusion head 6, the conveying rod 9, the first spiral blade 10, the second spiral blade 11 and the disturbance rod 12 integrally form an injection screw), the material can be easily conveyed to the first spiral blade 10 due to the large blade radius of the second spiral blade 11, the material can be conveyed to the conical extrusion head 6 through the unidirectional discharge port 8 under the action of the first spiral blade 10, and the conical extrusion head 6 extrudes and conveys the material into the die forming device 5 for forming;
When the material passes through the unidirectional discharge port 8, the sealing plate 130 can be extruded, the sealing plate 130 drives the installation block 131 to rotate, the installation block 131 drives the rotating shaft 133 to rotate, the rotating shaft 133 drives the installation plate 135 to rotate, the installation plate 135 drives the reset torsion spring 134 to rotate, when the driving device 2 stops working, the conical extrusion head 6 stops conveying the material to the die forming device 5, at the moment, the material is not conveyed to the conical extrusion head 6 through the unidirectional discharge port 8, and therefore the rotating shaft 133 drives the sealing plate 130 to seal the unidirectional discharge port 8 under the elastic force of the reset torsion spring 134, and backflow of the material is prevented.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an injection screw structure for injection molding machine, includes frame (1), frame (1) top is equipped with drive arrangement (2), and drive arrangement (2) left side wall is equipped with injection cylinder (3), injection cylinder (3) top is provided with feed hopper (4), frame (1) top left side is equipped with mould forming device (5), its characterized in that: be equipped with transfer line (9) in injection tube (3), transfer line (9) one end runs through injection tube (3) interior right side wall and is connected with drive arrangement (2) output, and transfer line (9) other end is provided with toper extrusion head (6), transfer line (9) right side outer wall cup joints and installs second spiral leaf (11), second spiral leaf (11) inside wall is equipped with multiunit disturbance pole (12), transfer line (9) left side outer wall cup joints and installs and be equipped with first spiral leaf (10), transfer line (9) are close to the outer wall of toper extrusion head (6) and are cup jointed and end backflow board (7), and end backflow board (7) outer wall is connected with injection tube (3) inner wall, end backflow board (7) right side wall has seted up multiunit one-way discharge gate (8), end backflow board (7) left side wall is equipped with multiunit and one-way discharge gate (8) matched with reset seal assembly (13).
2. The injection screw structure for an injection molding machine according to claim 1, wherein: reset seal subassembly (13) are including stopping two sets of sleeve (132) that backward flow board (7) left side wall was equipped with, the backward flow board (7) left side is equipped with installation piece (131), installation piece (131) bottom is equipped with sealing plate (130) with one-way discharge gate (8), lateral wall all is equipped with pivot (133) around installation piece (131), two sets of pivot (133) one end runs through two sets of sleeve (132) relative lateral walls respectively and is connected with the bearing that the lateral wall was equipped with is kept away from in two sets of sleeve (132), two sets of pivot (133) outer walls all cup joint the installation and are equipped with mounting panel (135), two sets of pivot (133) outer walls all cup joint and are equipped with reset torsion spring (134), two sets of reset torsion spring (134) one end are connected with two sets of mounting panel (135) are kept away from the lateral wall mutually, two sets of reset torsion spring (134) other end are connected with two sets of sleeve (132) are kept away from the lateral wall mutually respectively.
3. The injection screw structure for an injection molding machine according to claim 2, wherein: the left side wall is equipped with limiting plate (137) in sleeve (132), and limiting groove (138) have been seted up to limiting plate (137) right side wall, and sliding connection is equipped with three sets of gag lever posts (136) in limiting groove (138), and three sets of gag lever posts (136) one end all are connected with mounting panel (135) left side wall.
4. The injection screw structure for an injection molding machine according to claim 2, wherein: the mounting block (131) is arranged in a T shape.
5. The injection screw structure for an injection molding machine according to claim 2, wherein: the plurality of groups of disturbance rods (12) are spirally arranged on the inner side wall of the second spiral blade (11).
6. The injection screw structure for an injection molding machine according to claim 1, wherein: the plurality of groups of unidirectional discharge holes (8) are distributed on the right side wall of the backflow prevention plate (7) in an annular array.
7. The injection screw structure for an injection molding machine according to claim 1, wherein: the radius of the outer wall of the second spiral blade (11) is larger than that of the outer wall of the first spiral blade (10).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221339441U true CN221339441U (en) | 2024-07-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |