CN213137684U - Injection and discharge pipe of injection molding machine with large-diameter screw rod changed into small-diameter screw rod - Google Patents
Injection and discharge pipe of injection molding machine with large-diameter screw rod changed into small-diameter screw rod Download PDFInfo
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- CN213137684U CN213137684U CN202021336543.8U CN202021336543U CN213137684U CN 213137684 U CN213137684 U CN 213137684U CN 202021336543 U CN202021336543 U CN 202021336543U CN 213137684 U CN213137684 U CN 213137684U
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Abstract
The utility model relates to the field of injection molding machines, and discloses an injection molding machine ejection pipe with a large-diameter screw rod changed into a small-diameter screw rod, which comprises a screw rod material pipe group, a blanking seat, a connecting seat and a machine mounting seat which are connected in sequence, wherein the screw rod material pipe group comprises a material pipe, a cavity is arranged inside the material pipe, a screw rod is arranged in the cavity, and a connecting shaft is arranged in the middle of the connecting seat; the injection amount of the sol is reduced by reducing the diameter of the screw, so that the phenomenon that the production process is influenced by yellowing and discoloration of excessive sol in the material pipe is prevented; the rear part of the screw is additionally provided with the connecting seat and the connecting rod, so that the application range of the machine table to products is increased, the connecting shaft drives the screw to move, the integral rigidity is increased, the equipment can increase the strength, and the machine can adapt to larger pressure and larger forming conditions; the yield of the prepared light-colored transparent product is improved.
Description
Technical Field
The utility model relates to an injection molding machine field, concretely relates to major diameter changes injection molding machine ejection of compact pipe of minor diameter screw rod.
Background
An injection molding machine is also called as an injection molding machine, which is main equipment for manufacturing thermoplastic materials or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, but along with the fact that products needing to be produced are thinner and thinner, as shown in figure 2, a large amount of sol needs to be poured into a screw with a large diameter at one time, a large amount of sol is easy to change color in a material pipe, the yield of the produced light-color transparent products is reduced, the diameter and the length of the screw are directly reduced, the rigidity of the equipment can be reduced, and the safety production is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a major diameter changes injection molding machine ejection and discharge pipe of minor diameter screw rod.
The utility model provides a technical scheme that its technical problem adopted is: a large-diameter to small-diameter screw injection and discharge pipe of an injection molding machine comprises a screw material pipe group, a discharge seat, a connecting seat and a machine mounting seat which are connected in sequence, wherein the screw material pipe group comprises a material pipe, a cavity is arranged in the material pipe, a screw is arranged in the cavity, and a connecting shaft is arranged in the middle of the connecting seat; the middle part of the coupling shaft is sleeved with a bearing pair for being coupled with the coupling seat, the tail end of the material pipe extends into the blanking seat and is connected with the coupling shaft through a coupling mechanism, and one end of the coupling shaft, far away from the material pipe, is provided with a driving mechanism.
Further, the coupling mechanism is a spline structure pressing plate or a flat key structure pressing plate.
Further, a discharging opening communicated with the material pipe is formed in the top of the discharging seat.
Further, the bearing pair comprises a linear bearing arranged on the outer side of the coupling shaft and a rolling bearing arranged on the outer side of the linear bearing.
Further, the length-diameter ratio of the screw is 22: 1.
Further, the surface of the screw is provided with a spiral groove.
Further, the driving mechanism is a motor.
Furthermore, the feed opening is of a funnel-shaped structure with a wide upper part and a narrow lower part.
Further, a lubricating hole communicated with the coupling shaft is formed in the top of the coupling seat.
The utility model has the advantages that: the injection amount of the sol is reduced by reducing the diameter of the screw, so that the phenomenon that the production process is influenced by yellowing and discoloration of excessive sol in the material pipe is prevented; the rear part of the screw is additionally provided with the connecting seat and the connecting rod, so that the application range of the machine table to products is increased, the connecting shaft drives the screw to move, the integral rigidity is increased, the equipment can increase the strength, and the machine can adapt to larger pressure and larger forming conditions; the yield of the prepared light-colored transparent product is improved.
Drawings
FIG. 1 is a view showing a structure of an injection molding machine for an improved small-diameter injection/discharge pipe;
FIG. 2 is a structural view of an injection molding machine for injecting and discharging a pipe before modification;
labeled as: 1. a material pipe; 2. a screw; 3. a coupling mechanism; 4. a blanking seat; 5. a feeding port; 6. a coupling seat; 7. a coupling shaft; 8. a lubrication hole; 9. a machine mount; 10. a rolling bearing; 11. a linear bearing; 12. a drive mechanism;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The injection and discharge pipe of the injection molding machine with the large-diameter screw rod and the small-diameter screw rod as shown in fig. 1 comprises a screw rod material pipe group, a discharge seat 4, a connecting seat 6 and a machine mounting seat 9 which are sequentially connected, wherein the screw rod material pipe group comprises a material pipe 1, a cavity is arranged in the material pipe 1, a screw rod 2 is arranged in the cavity, and a connecting shaft 7 is arranged in the middle of the connecting seat 6; the middle part of the connecting shaft 7 is sleeved with a bearing pair for connecting with the connecting seat 6, the tail end of the material pipe 1 extends into the blanking seat 4 and is connected with the connecting shaft 7 through the connecting mechanism 3, and one end of the connecting shaft 7, which is far away from the material pipe 1, is provided with a driving mechanism 12.
The principle is as follows: the existing product is thinner and thinner, the original material pipe 1 in the injection molding machine is large in diameter and long in length, a lot of sol is left in the middle of the material pipe 1 during use, the color is changed easily for a long time to affect the quality of the product, the diameter of the material pipe 1 is reduced, the connecting shaft 7 and the connecting seat 6 are additionally arranged at the rear part of the material pipe 1, the length-diameter ratio of the equipment is consistent with that of the existing equipment, the driving force of the machine is enabled to move forwards through the connecting seat 6 and the connecting shaft 7, the rigidity of the whole structure is maintained, the risk is reduced, the maintenance cost is reduced, and the quality.
On the basis, the connecting mechanism 3 is a spline structure pressurizing plate or a flat key structure pressurizing plate; the tail end of the screw rod 2 can be fixed with a connecting shaft 7 through a spline structure pressurizing plate, the design of the connecting shaft 7 and the connecting seat 6 is added at the rear part, and the screw rod pipe group can be directly replaced when the diameter of the screw rod 2 needs to be changed subsequently.
On the basis, the top of the blanking seat 4 is provided with a blanking port 5 communicated with the material pipe 1; can add the sol to material pipe 1 through feed opening 5, difficult production is toppled, and it is convenient to use.
On the basis, the bearing pair comprises a linear bearing 11 arranged outside the coupling shaft 7 and a rolling bearing 10 arranged outside the linear bearing 11; the friction force between the coupling shaft 7 and the coupling seat 6 is reduced by adding the design of two bearings, and the service life of the mechanism is prolonged.
On the basis, the length-diameter ratio of the screw 2 is 22: 1; the diameter and the length of the original material pipe 1 are reduced, the connecting seat 6 and the connecting shaft 7 are additionally arranged at the rear part of the material pipe 1, so that the whole structure keeps the same length-diameter ratio, the rigidity of the structure is kept, and the maintenance cost of equipment is reduced.
On the basis, the surface of the screw rod 2 is provided with a spiral groove; the spiral groove can drive the sol to be extruded and pushed forward when rotating, and can also play a role in mixing the sol.
On the basis, the driving mechanism 12 is a motor; the motor can drive the connecting shaft 7 to rotate so as to drive the screw rod 2 to rotate, and the molding condition of the material can be controlled by controlling the frequency.
On the basis, the feed opening 5 is of a funnel-shaped structure with a wide upper part and a narrow lower part; the structure with wide top and narrow bottom is convenient for adding sol and is not easy to tilt and leak.
On the basis, the top of the connecting seat 6 is provided with a lubricating hole 8 communicated with the connecting shaft 7; lubricating oil can be added to the coupling shaft 7 through the lubricating hole 8, so that the friction between mechanisms in the operation process is reduced, and the service life of the coupling shaft 7 is prolonged.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a major diameter changes injection molding machine of minor diameter screw rod and penetrates discharging pipe which characterized in that: the automatic feeding device comprises a screw material pipe group, a discharging seat (4), a connecting seat (6) and a machine mounting seat (9) which are connected in sequence, wherein the screw material pipe group comprises a material pipe (1), a cavity is arranged in the material pipe (1), a screw rod (2) is arranged in the cavity, and a connecting shaft (7) is arranged in the middle of the connecting seat (6); the middle part of the connecting shaft (7) is sleeved with a bearing pair for being connected with the connecting seat (6), the tail end of the material pipe (1) extends into the blanking seat (4) and is connected with the connecting shaft (7) through the connecting mechanism (3), and one end, far away from the material pipe (1), of the connecting shaft (7) is provided with a driving mechanism (12).
2. The injection/discharge tube of an injection molding machine for a large-diameter screw and a small-diameter screw according to claim 1, wherein: the coupling mechanism (3) is a spline structure pressure plate or a flat key structure pressure plate.
3. The injection/discharge tube of an injection molding machine for a large-diameter screw and a small-diameter screw according to claim 1, wherein: and a feed opening (5) communicated with the material pipe (1) is formed in the top of the feed seat (4).
4. The injection/discharge tube of an injection molding machine for a large-diameter screw and a small-diameter screw according to claim 1, wherein: the bearing pair comprises a linear bearing (11) arranged on the outer side of the coupling shaft (7) and a rolling bearing (10) arranged on the outer side of the linear bearing (11).
5. The injection/discharge tube of an injection molding machine for a large-diameter screw and a small-diameter screw according to claim 1, wherein: the length-diameter ratio of the screw (2) is 22: 1.
6. The injection/discharge tube of an injection molding machine for a large-diameter screw and a small-diameter screw according to claim 1, wherein: the surface of the screw rod (2) is provided with a spiral groove.
7. The injection/discharge tube of an injection molding machine for a large-diameter screw and a small-diameter screw according to claim 1, wherein: the driving mechanism (12) is a motor.
8. The injection molding machine tapping pipe of claim 3, wherein: the feed opening (5) is of a funnel-shaped structure with a wide upper part and a narrow lower part.
9. The injection/discharge tube of an injection molding machine for a large-diameter screw and a small-diameter screw according to claim 1, wherein: the top of the connecting seat (6) is provided with a lubricating hole (8) communicated with the connecting shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021336543.8U CN213137684U (en) | 2020-07-09 | 2020-07-09 | Injection and discharge pipe of injection molding machine with large-diameter screw rod changed into small-diameter screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021336543.8U CN213137684U (en) | 2020-07-09 | 2020-07-09 | Injection and discharge pipe of injection molding machine with large-diameter screw rod changed into small-diameter screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213137684U true CN213137684U (en) | 2021-05-07 |
Family
ID=75729795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021336543.8U Active CN213137684U (en) | 2020-07-09 | 2020-07-09 | Injection and discharge pipe of injection molding machine with large-diameter screw rod changed into small-diameter screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213137684U (en) |
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2020
- 2020-07-09 CN CN202021336543.8U patent/CN213137684U/en active Active
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