CN220904023U - Drying-free injection molding machine barrel screw - Google Patents
Drying-free injection molding machine barrel screw Download PDFInfo
- Publication number
- CN220904023U CN220904023U CN202322967564.XU CN202322967564U CN220904023U CN 220904023 U CN220904023 U CN 220904023U CN 202322967564 U CN202322967564 U CN 202322967564U CN 220904023 U CN220904023 U CN 220904023U
- Authority
- CN
- China
- Prior art keywords
- screw
- sleeve
- injection molding
- section
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 27
- 239000004033 plastic Substances 0.000 abstract description 36
- 229920003023 plastic Polymers 0.000 abstract description 36
- 238000001125 extrusion Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012840 feeding operation Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 241001149930 Protura <class> Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000035553 feeding performance Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molding machines and discloses a machine barrel screw of a drying-free injection molding machine. According to the utility model, the first screw rod section, the second screw rod section and the third screw rod section are combined in a sectional assembly mode, and the spiral channels can be in a stepwise increasing mode by utilizing the spiral quantity which is increased in an equal ratio mode, so that the plastic is spirally fed, the feeding channels of the plastic in the spiral feeding process are stepwise narrowed, the number of the feeding channels is more, the spiral feeding time of the plastic is prolonged, the spiral pushing and extruding pushing of the plastic is more comprehensive, the gas and gaps in the plastic are effectively eliminated, and the plastic extrusion molding integration and continuity are facilitated.
Description
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a drying-free injection molding machine barrel screw.
Background
The baking-free injection molding machine is advanced one-step molding injection molding equipment, and generally comprises a hopper, a screw rod, a charging barrel, a nozzle, an injection device, a template, a molding die and other main parts, wherein the working principle is mainly based on the physical characteristics of plastics, the screw rod and the charging barrel are used for heating and melting plastic particles, the nozzle is used for injecting the melted plastics into the die, the injection device is used for controlling the injection quantity, the template and the molding die are used for molding, wherein the screw rod is used as a propelling part of the plastics, is an important structural component in the injection molding machine, and determines the feeding performance of the plastics, for example, the prior patent technology shows that: through retrieving, chinese patent net discloses an injection molding machine screw rod (public announcement number CN 211334437U), and when this kind of device was assembled, through spliced pole and the stabilizer bar that set up, can make compression section, homogenization section and the connection of reinforced section more stable, avoid appearing not hard up condition to conveniently carry out quick installation and dismantlement.
However, there are some disadvantages to the injection molding machine screws used in the above-mentioned publications and in the existing market: the existing mode of utilizing spliced pole and stabilizer bar combination to divide into compression section, homogenization section and charging section with the screw rod and carrying out segmentation installation in proper order, the screw rod spiral interval after its segmentation equipment still keeps equidistant setting, and screw propulsion supply quantity remains unchanged all the time, and the circumstances such as inside bubble, the clearance that appear plastics in the supply process extremely easily are unfavorable for plastics to extrude the integrative continuity of moulding plastics. To this end, those skilled in the art have provided a no-bake injection molding machine barrel screw to address the problems set forth in the background section above.
Disclosure of utility model
The utility model mainly aims to provide a machine barrel screw of a drying-free injection molding machine, which can effectively solve the problems that in the prior art, the screw propulsion amount of the screw of the existing injection molding machine is fixed and bubbles and gaps are easily formed in the plastic in the screw feeding process.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a exempt from to dry injection molding machine barrel screw rod, includes the transmission shaft and installs the stop axle sleeve at the transmission shaft drive end, the axostylus axostyle outside of transmission shaft uses stop axle sleeve as the base to overlap in proper order from inside to outside and establishes and be fixed with first swivel nut, second swivel nut, third swivel nut, the axle sleeve outside of first swivel nut is provided with first screw rod section, the axle sleeve outside of second swivel nut is provided with the second screw rod section, the axle sleeve outside of third swivel nut is provided with the third screw rod section, the axostylus axostyle top of transmission shaft is twisted and is fixed with the screw cone.
As still further aspects of the utility model: the shaft lever outer side of the transmission shaft is provided with a positioning sliding groove in a symmetrical mode, and the inner walls of the shaft sleeves of the first screw sleeve, the second screw sleeve and the third screw sleeve are sequentially provided with a first positioning buckle, a second positioning buckle and a third positioning buckle which are in sliding connection with the positioning sliding groove in a symmetrical mode.
As still further aspects of the utility model: the first screw sleeve, the second screw sleeve and the third screw sleeve are fixedly connected with the transmission shaft through cold assembly.
As still further aspects of the utility model: the top end of the shaft lever of the transmission shaft is provided with a positioning screw tooth, and the middle part of the back plate of the screw cone head is provided with an inner screw tooth screwed with the positioning screw tooth.
As still further aspects of the utility model: the lengths of the shaft rods of the first screw sleeve, the second screw sleeve and the third screw sleeve are the same.
As still further aspects of the utility model: the spiral quantity of the first screw rod section, the second screw rod section and the third screw rod section is increased in equal proportion in sequence, and the spiral outer diameters of the first screw rod section, the second screw rod section and the third screw rod section are the same.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the first screw rod section, the second screw rod section and the third screw rod section are combined in a sectional assembly mode, and the spiral channels can be in a stepwise increasing mode by utilizing the spiral quantity which is increased in an equal ratio mode, so that the plastic is spirally fed, the feeding channels of the plastic in the spiral feeding process are stepwise narrowed, the number of the feeding channels is more, the spiral feeding time of the plastic is prolonged, the spiral pushing and extruding pushing of the plastic is more comprehensive, the gas and gaps in the plastic are effectively eliminated, and the plastic extrusion molding integration and continuity are facilitated.
2. According to the utility model, the first screw rod section, the second screw rod section, the third screw rod section and the transmission shaft are integrally assembled in a segmented way, so that the screw rod has good disassembly and assembly performance, the scrapping cost and the production strength in the screw rod production process can be reduced, the flexible disassembly and assembly performance can be improved, the independent maintenance and replacement in later disassembly and assembly are facilitated, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of a barrel screw of a drying-free injection molding machine of the utility model;
FIG. 2 is a schematic view of the unfolding structure of a barrel screw of a drying-free injection molding machine;
Fig. 3 is an enlarged schematic view of the barrel screw of the baking-free injection molding machine of the present utility model at a in fig. 2.
In the figure: 1. a transmission shaft; 2. a first screw section; 3. a second screw section; 4. a third screw section; 5. a screw cone head; 6. a stop shaft sleeve; 7. positioning a chute; 8. a first screw sleeve; 9. a first positioning buckle; 10. a second screw sleeve; 11. the second positioning buckle; 12. a third screw sleeve; 13. a third positioning buckle; 14. positioning screw threads; 15. inner thread.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, the barrel screw of the drying-free injection molding machine comprises a transmission shaft 1 and a stop shaft sleeve 6 arranged at the driving end of the transmission shaft 1, wherein a first threaded sleeve 8, a second threaded sleeve 10 and a third threaded sleeve 12 are sequentially sleeved and fixed on the outer side of a shaft rod of the transmission shaft 1 from inside to outside by taking the stop shaft sleeve 6 as a base, a positioning sliding groove 7 is formed in the outer side of the shaft rod of the transmission shaft 1 in a symmetrical mode, a first positioning buckle 9, a second positioning buckle 11 and a third positioning buckle 13 which are in sliding connection with the positioning sliding groove 7 are sequentially arranged on the inner walls of the shaft sleeves of the first threaded sleeve 8, the second threaded sleeve 10 and the third threaded sleeve 12 in a symmetrical mode, and the three threaded sleeves can be sequentially assembled integrally and conveniently and sectionally and integrally by utilizing the positioning sliding groove 7, the first positioning buckle 9, the second positioning buckle 11 and the third positioning buckle 13 to sequentially guide sliding buckles on the first threaded sleeve 8, the second threaded sleeve 10 and the third threaded sleeve 12.
The first screw sleeve 8, the second screw sleeve 10 and the third screw sleeve 12 are fixedly connected with the transmission shaft 1 through cold assembly, in the screw production and assembly process of the injection molding machine, the mounting jacks of the first screw sleeve 8, the second screw sleeve 10 and the third screw sleeve 12 can be cooled in advance, the external dimensions of the first screw sleeve 8, the second screw sleeve 10 and the third screw sleeve 12 are contracted, gaps are formed between assembly surfaces, then the first screw sleeve 8, the second screw sleeve 10 and the third screw sleeve 12 are sequentially cold-mounted on the transmission shaft 1 by utilizing the stopping positions of the stopping shaft sleeve 6, the first screw sleeve 2, the second screw sleeve 10 and the third screw sleeve 4 are integrally assembled in a sectional assembly mode, on one hand, the screw production and assembly process has good disassembly and assembly performance, the scrapping cost and the production strength in the screw production process can be reduced, on the other hand, the flexible disassembly performance can be improved, the later disassembly and independent maintenance and replacement are facilitated, and the maintenance cost is reduced.
The screw cone head 5 is screwed and fixed on the top end of the shaft rod of the transmission shaft 1, the positioning screw teeth 14 are arranged on the top end of the shaft rod of the transmission shaft 1, the inner screw teeth 15 screwed and connected with the positioning screw teeth 14 are arranged in the middle of the back plate of the screw cone head 5, when three groups of screw sleeves are assembled in the production and assembly process of the screw of the injection molding machine, the screw cone head 5 is screwed and fixed on the top end of the transmission shaft 1 by screwing and fixing the positioning screw teeth 14 and the inner screw teeth 15, and the integral assembly of the three groups of screw sleeves is tightly pressed and limited, so that the assembly stability and the firmness of the screw are ensured.
The first screw rod section 2 is arranged outside the shaft sleeve of the first screw sleeve 8, the second screw rod section 3 is arranged outside the shaft sleeve of the second screw sleeve 10, the third screw rod section 4 is arranged outside the shaft sleeve of the third screw sleeve 12, the lengths of the shaft rods of the first screw sleeve 8, the second screw sleeve 10 and the third screw sleeve 12 are the same, the spiral numbers of the first screw rod section 2, the second screw rod section 3 and the third screw rod section 4 are sequentially increased in equal proportion, the spiral outer diameters of the first screw rod section 2, the second screw rod section 3 and the third screw rod section 4 are the same, in the spiral pushing and feeding process of plastics by using an injection molding machine screw rod, the first screw rod section 2, the second screw rod section 3 and the third screw rod section 4 in a sectional assembly form are combined, the spiral channels can be in a step-type incremental form by using the spiral number of the spiral channels which is sequentially increased in equal proportion, the spiral feeding operation of plastics is formed in a step-type layer-by-layer narrowing mode in the spiral feeding channels of the three groups of screw rod sections, the spiral extrusion duration of plastics is longer, the spiral pushing extrusion of plastics is more comprehensive, the plastic extrusion is more effective, and the extrusion gap and the extrusion moulding of plastics is more beneficial to the integral forming of plastics.
The working principle of the utility model is as follows: in the process of producing and assembling the screw of the injection molding machine, the mounting jacks of the first screw sleeve 8, the second screw sleeve 10 and the third screw sleeve 12 can be cooled in advance, the external dimension thereof is contracted, gaps are generated between the assembling surfaces, then the first screw sleeve 8, the second screw sleeve 10 and the third screw sleeve 12 are sequentially cooled and assembled on the transmission shaft 1 by utilizing the stopping position of the stopping position shaft sleeve 6, the first screw section 2, the second screw section 3 and the third screw section 4 are assembled integrally in a sectional assembly mode, then after the three screw sleeves are assembled, the screw cone heads 5 are screwed and fixed at the top end of the transmission shaft 1 by utilizing the screwing and fixing of the positioning screw teeth 14 and the inner screw teeth 15, the integral assembly of the three screw sleeves is compressed and limited, the assembly stability and the firmness of the plastic screw feeding device are ensured, when the plastic screw of the injection molding machine is used for carrying out screw propulsion feeding, the first screw section 2, the second screw section 3 and the third screw section 4 in the sectional assembly form are combined, the screw channel can carry out screw feeding operation on the plastic in the step-by-step increasing form by utilizing the screw quantity which is increased in the equal ratio form in sequence, the plastic screw feeding channels of the first screw section 2, the second screw section 3 and the third screw section 4 are narrowed step by step, the screw feeding time is longer, the screw propulsion extrusion of the plastic is more compact and comprehensive, the gas and the gap in the plastic are effectively eliminated, and the plastic screw feeding device is favorable for the continuous integration of plastic extrusion molding.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Exempt from to dry injection molding machine barrel screw rod, including transmission shaft (1) and install stop position axle sleeve (6) at transmission shaft (1) drive end, its characterized in that, the axostylus axostyle outside of transmission shaft (1) uses stop position axle sleeve (6) to overlap in proper order from inside to outside and is fixed with first swivel nut (8), second swivel nut (10), third swivel nut (12), the axle sleeve outside of first swivel nut (8) is provided with first screw rod section (2), the axle sleeve outside of second swivel nut (10) is provided with second screw rod section (3), the axle sleeve outside of third swivel nut (12) is provided with third screw rod section (4), the axostylus axostyle top of transmission shaft (1) is screwed in and is fixed with screw rod cone (5).
2. The drying-free injection molding machine barrel screw rod according to claim 1, wherein the outer side of a shaft lever of the transmission shaft (1) is provided with a positioning sliding groove (7) in a symmetrical mode, and the inner walls of shaft sleeves of the first screw sleeve (8), the second screw sleeve (10) and the third screw sleeve (12) are sequentially provided with a first positioning buckle (9), a second positioning buckle (11) and a third positioning buckle (13) which are in sliding connection with the positioning sliding groove (7) in a symmetrical mode.
3. The drying-free injection molding machine barrel screw according to claim 1, wherein the first screw sleeve (8), the second screw sleeve (10) and the third screw sleeve (12) are fixedly connected with the transmission shaft (1) through cold assembly.
4. The drying-free injection molding machine barrel screw rod according to claim 1, wherein a positioning screw tooth (14) is arranged at the top end of a shaft lever of the transmission shaft (1), and an inner screw tooth (15) screwed with the positioning screw tooth (14) is arranged in the middle of a back plate of the screw cone head (5).
5. The drying-free injection molding machine barrel screw according to claim 1, wherein the shaft lengths of the first screw sleeve (8), the second screw sleeve (10) and the third screw sleeve (12) are the same.
6. The machine barrel screw of the drying-free injection molding machine according to claim 1, wherein the number of screws of the first screw section (2), the second screw section (3) and the third screw section (4) is increased in equal ratio in sequence, and the outer diameters of the screws of the first screw section (2), the second screw section (3) and the third screw section (4) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322967564.XU CN220904023U (en) | 2023-11-03 | 2023-11-03 | Drying-free injection molding machine barrel screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322967564.XU CN220904023U (en) | 2023-11-03 | 2023-11-03 | Drying-free injection molding machine barrel screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220904023U true CN220904023U (en) | 2024-05-07 |
Family
ID=90912350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322967564.XU Active CN220904023U (en) | 2023-11-03 | 2023-11-03 | Drying-free injection molding machine barrel screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220904023U (en) |
-
2023
- 2023-11-03 CN CN202322967564.XU patent/CN220904023U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102166794A (en) | Rubber continuous mixing dual-rotor structure and mixing equipment adopting same | |
| CN220904023U (en) | Drying-free injection molding machine barrel screw | |
| CN103358514A (en) | Efficient polyolefin single screw extruder with length-diameter ratio of 33 | |
| CN211891897U (en) | Barrel screw assembly easy to clean | |
| CN204701112U (en) | A kind of brand-new integral type no-mould adjusted tool | |
| CN103182775B (en) | The volume displaced tensile deformation plasticizing processing method of a kind of twin-screw and equipment | |
| CN110385841A (en) | Low inertia ejecting mechanism for hydraulic cylinder injection molding machine | |
| CN205929389U (en) | Spiral propelling movement formula polymer material extrusion machine | |
| CN211891703U (en) | Injection mechanism of injection molding machine | |
| CN201183311Y (en) | Improved structure of hollow grid plate die head | |
| CN210082333U (en) | Screw rod for injection molding machine | |
| CN219405251U (en) | Lid injection mold with hank tooth | |
| CN2454115Y (en) | Screw of plastic-injection forming machine | |
| CN201979625U (en) | Double rotor structure for continuously mixing and mixing equipment adopting same | |
| CN220297750U (en) | Injection molding screw structure of injection molding machine | |
| CN219236051U (en) | Colour mixture injection molding machine | |
| CN202656453U (en) | Double-screw extruder | |
| CN213890969U (en) | Injection molding machine line rail formula injection device | |
| CN210011240U (en) | Raw material mixing device for plastic product molding | |
| CN220146639U (en) | Granule extrusion screw structure of desktop level 3D printer | |
| CN214773600U (en) | Frame injection mold before display with high-efficient cooling function | |
| CN220864682U (en) | Ultra-large high-precision injection molding machine plunger component | |
| CN209832400U (en) | Plastic part co-injection molding equipment | |
| CN212666619U (en) | Barrel screw for injection molding | |
| CN218749227U (en) | Die head of electronic wire material extruder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |