CN204505735U - A kind of injection moulding apparatus - Google Patents
A kind of injection moulding apparatus Download PDFInfo
- Publication number
- CN204505735U CN204505735U CN201520165896.9U CN201520165896U CN204505735U CN 204505735 U CN204505735 U CN 204505735U CN 201520165896 U CN201520165896 U CN 201520165896U CN 204505735 U CN204505735 U CN 204505735U
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- CN
- China
- Prior art keywords
- injection moulding
- moulding apparatus
- screw rod
- machine barrel
- injection
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- 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.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection moulding apparatus, comprise machine barrel, the front end of this machine barrel is provided with injection head, screw rod is movably installed with in this machine barrel, injection cylinder is installed in the rear end of machine barrel, the rear end of screw rod is provided with screw rod rotary power unit, and the piston rod of injection cylinder is connected with screw rod rotary power unit, and this injection moulding apparatus also comprises the stopping means for making the piston rod of injection cylinder move or stop.This injection moulding apparatus can add stopping means on original architecture basics, thus injection moulding apparatus can be given extrude function, not only can improve the injection moulding efficiency of injection moulding apparatus, and plastics can also be made closely knit in forming process, improve shaping efficiency and Forming Quality.
Description
Technical field
The utility model relates to a kind of injection moulding apparatus, and this injection moulding apparatus not only has injection moulding function, but also has and extrude function.
Background technology
Current original injection moulding apparatus all only possesses injection moulding function, it comprises a machine barrel and rotates the screw rod be installed in machine barrel, injection cylinder is installed in the rear end of machine barrel, and the rear end of screw rod is provided with screw rod rotary power unit, and the piston rod of injection cylinder is connected with screw rod rotary power unit.Right this injection moulding apparatus all needs to carry out feed supplement, namely screw rod is by screw rod rotary power unit driven rotary, the material of plasticizing to be entered in machine barrel and by the rotation of screw rod, material is pushed into the front end of machine barrel, and meanwhile, screw rod receives reaction force and moves backward, and drive the piston rod of injection cylinder to stretch out, when material just the leading portion of machine barrel be stacked into a certain amount of after, after piston rod stretches out completely, now, injection cylinder action, piston rod shrinks, piston rod pulls screw rod to move to machine barrel front end, thus complete injection, again through feed supplement after having injected, and then a shot, repetition like this.Right this injection moulding apparatus also exists following weak point: 1. the efficiency comparison of this injection moulding apparatus is low, and shot is subject to the impact of the size of machine barrel and the thickness of screw rod, therefore, and is not suitable with the injection moulding requirement of great achievement die cavity; 2. each injection moulding all needs feed supplement, and efficiency is low, also easily causes the plastics temperature injected reduce and partly cool, affects the Forming Quality of plastic products.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of injection moulding apparatus, this injection moulding apparatus can add stopping means on original architecture basics, thus injection moulding apparatus can be given extrude function, not only can improve the injection moulding efficiency of injection moulding apparatus, and plastics can also be made closely knit in forming process, improve shaping efficiency and Forming Quality.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of injection moulding apparatus, comprise machine barrel, the front end of this machine barrel is provided with injection head, be movably installed with screw rod in this machine barrel, injection cylinder is installed in the rear end of machine barrel, and the rear end of screw rod is provided with screw rod rotary power unit, the piston rod of injection cylinder is connected with screw rod rotary power unit, and this injection moulding apparatus also comprises the stopping means for making the piston rod of injection cylinder move or stop.
As the preferred scheme of one, described stopping means comprises the support be fixedly connected with machine barrel, this support is rotatablely equipped with swing arm, one end of this swing arm is connected with beat power set, the other end of swing arm is provided with limited block, and described screw rod rotary power unit is provided with the limiting plate coordinated with this limited block.
As the preferred scheme of one, described beat power set comprise a beat motor, and this beat motor is fixed in frame, and this beat motor is connected with swing arm by transmission mechanism.
As the preferred scheme of one, described transmission mechanism comprises the driven wheel of differential being fixed on swing arm end; Be fixed on the drive bevel gear on the output shaft of beat motor, engage between this drive bevel gear and driven wheel of differential.
As the preferred scheme of one, described transmission mechanism comprises the shaft coupling be arranged between swing arm end and beat motor, and this beat motor is beat reducing motor.
As the preferred scheme of one, described stopping means comprises an oil return control valve, and this injection cylinder comprises one and stretches out grease chamber and shrink grease chamber, and this stretches out grease chamber and connects the first pipeline, shrink grease chamber and connect the second pipeline, this oil return control valve is arranged at the break-make the second pipeline controlling the second pipeline.
As the preferred scheme of one, described oil return control valve is electromagnetism check valve.
After have employed technique scheme, effect of the present utility model is: because this injection moulding apparatus also comprises the stopping means for making the piston rod of injection cylinder move or stop, therefore, this stopping means can the movement of limited piston bar, after screw rod moves to machine barrel front end, the action of stopping means limited piston bar, now, screw rod rotary power unit all the time drive screw rotates, screw rod rotates all the time, the material of plasticizing is just expressed into machine barrel leading section and discharging always, achieve extruding of plastics, when be expressed into a certain amount of after, stopping means does not work, injection cylinder again action realizes injection again, the pressure of injection is greater than extrusion pressure certainly, therefore the plastics in shaping mold cavity are more closely knit, improve shaping efficiency and Forming Quality.
Again because described stopping means comprises the support be fixedly connected with machine barrel, this support is rotatablely equipped with swing arm, one end of this swing arm is connected with beat power set, the other end of swing arm is provided with limited block, described screw rod rotary power unit is provided with the limiting plate coordinated with this limited block, this limit device structure is simple, and operation also facilitates, and good limit effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the stopping means Puiescent, inoperative structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the stopping means of the utility model embodiment one when working;
Fig. 3 is the structural representation that the utility model embodiment two has installed oil return control valve;
In accompanying drawing: 1. machine barrel; 2. screw rod; 3. injection cylinder; 4. hydraulic motor 4; 5. piston rod; 6. limiting plate; 7. support; 8. swing arm; 9. limited block; 10. driven wheel of differential; 11. drive bevel gear; 12. beat motors; 13. first pipelines; 14. second pipelines; 15. electromagnetism check valves; 16. introduction valves; 17. preformed valves; 18. counterbalance valves.
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail.
Embodiment one
As shown in Figure 1, 2, a kind of injection moulding apparatus, comprise machine barrel 1, the front end of this machine barrel 1 is provided with injection head, be movably installed with screw rod 2 in this machine barrel 1, injection cylinder 3 is installed in the rear end of machine barrel 1, and the rear end of screw rod 2 is provided with screw rod 2 rotary power unit, the piston rod 5 of injection cylinder 3 is connected with screw rod rotary power unit, and this injection moulding apparatus also comprises the stopping means for making the piston rod 5 of injection cylinder 3 move or stop.In the present embodiment, this screw rod rotary power unit adopts hydraulic motor 4 to drive, this hydraulic motor 4 is connected with screw rod 2, and the quantity of injection cylinder 3 is two, and the piston rod 5 of injection cylinder 3 is all connected with the housing of hydraulic motor 4, the activity of piston rod 5 will drive the movement of hydraulic motor 4, thus hydraulic motor 4 has screw rod 2 can be driven to move axially.
Described stopping means comprises the support 7 be fixedly connected with machine barrel 1, this support 7 is rotatablely equipped with swing arm 8, one end of this swing arm 8 is connected with beat power set, the other end of swing arm 8 is provided with limited block 9, described screw rod rotary power unit is provided with the limiting plate 6 coordinated with this limited block 9.Wherein, described beat power set comprise a beat motor 12, and this beat motor 12 is fixed in frame, and this beat motor 12 is connected with swing arm 8 by transmission mechanism.State transmission mechanism and comprise the driven wheel of differential 10 being fixed on swing arm 8 end; Be fixed on the drive bevel gear 11 on the output shaft of beat motor 12, engage between this drive bevel gear 11 and driven wheel of differential 10.Or described transmission mechanism comprises the shaft coupling be arranged between swing arm 8 end and beat motor 12, this beat motor 12 is beat reducing motor.
In this embodiment, after piston rod 5 contraction of injection cylinder 3, the leading portion of screw rod 2 is near the front end of machine barrel 1, now, beat motor 12 action, limited block 9 is coordinated with limiting plate 6, stretching out of limiting piston bar 5, now, hydraulic motor 4 action drives screw rod 2 to rotate, screw rod 2 rotates and is just promoted to extrude from machine barrel 1 leading section by the plastics of plasticizing, and when be expressed into a certain amount of after, beat motor 12 action, limited block 9 is separated with limiting plate 6, like this, piston rod 5 just can freely stretch out, so just action of injection can be realized, inject and extrude and combine, not only increase efficiency, and ensure that the closely knit of plastics, improve Forming Quality.
Embodiment 2
The stopping means of this embodiment is set about from the oil circuit of injection cylinder 3, described stopping means comprises an oil return control valve, this injection cylinder 3 comprises one and stretches out grease chamber and shrink grease chamber, this stretches out grease chamber and connects the first pipeline 13, shrink grease chamber and connect the second pipeline 14, this oil return control valve is arranged at the break-make the second pipeline 14 controlling the second pipeline 14.Described oil return control valve is electromagnetism check valve 15.First pipeline 13 is communicated with return line with oil feed line by introduction valve 16, second pipeline 14 is provided with preformed valve 17, this preformed valve 17 is gone back oil-in and the return line of connecting fluid pressure motor 4, and counterbalance valve 18 is in addition set between preformed valve 17 and return line, the second pipeline 14 also can be selected to be communicated with oil feed line or return line by this preformed valve 17.
During real work, first, preformed valve 17 action, the oil-feed of hydraulic motor 4 is communicated with, hydraulic motor 4 drive screw 2 rotates, and now battery check valve is in open mode, shrink grease chamber to be communicated with return line by preformed valve 17, therefore, screw rod 2 rotates and is just pushed in the feed supplement chamber of machine barrel 1 leading portion by material, under reaction force, while piston rod 5 stretches out, shrink grease chamber's oil return, after feed supplement completes, preformed valve 17 and introduction valve 16 action simultaneously, shrink grease chamber to be communicated with oil feed line, and stretch out grease chamber with return line and be communicated with, like this, piston rod 5 shrinks, complete a shot, after having injected, the second pipeline 14 closed by electromagnetism check valve 15, and hydraulic motor 4 is opened by preformed valve 17, like this, screw rod 2 continues to rotate, and cannot oil return owing to shrinking oil in grease chamber, therefore piston rod 5 cannot stretch out, so also just achieve the spacing of piston rod 5 equally, achieve and extrude function.
Certainly, the structure of this embodiment also can use with embodiment one jointly.
Claims (7)
1. an injection moulding apparatus, comprise machine barrel, the front end of this machine barrel is provided with injection head, screw rod is movably installed with in this machine barrel, injection cylinder is installed in the rear end of machine barrel, the rear end of screw rod is provided with screw rod rotary power unit, and the piston rod of injection cylinder is connected with screw rod rotary power unit, it is characterized in that: this injection moulding apparatus also comprises the stopping means for making the piston rod of injection cylinder move or stop.
2. a kind of injection moulding apparatus as claimed in claim 1, it is characterized in that: described stopping means comprises the support be fixedly connected with machine barrel, this support is rotatablely equipped with swing arm, one end of this swing arm is connected with beat power set, the other end of swing arm is provided with limited block, and described screw rod rotary power unit is provided with the limiting plate coordinated with this limited block.
3. a kind of injection moulding apparatus as claimed in claim 2, is characterized in that: described beat power set comprise a beat motor, and this beat motor is fixed in frame, and this beat motor is connected with swing arm by transmission mechanism.
4. a kind of injection moulding apparatus as claimed in claim 3, is characterized in that: described transmission mechanism comprises the driven wheel of differential being fixed on swing arm end; Be fixed on the drive bevel gear on the output shaft of beat motor, engage between this drive bevel gear and driven wheel of differential.
5. a kind of injection moulding apparatus as claimed in claim 3, is characterized in that: described transmission mechanism comprises the shaft coupling be arranged between swing arm end and beat motor, this beat motor is beat reducing motor.
6. a kind of injection moulding apparatus as claimed in claim 1, it is characterized in that: described stopping means comprises an oil return control valve, this injection cylinder comprises one and stretches out grease chamber and shrink grease chamber, this stretches out grease chamber and connects the first pipeline, shrink grease chamber and connect the second pipeline, this oil return control valve is arranged at the break-make the second pipeline controlling the second pipeline.
7. a kind of injection moulding apparatus as claimed in claim 6, is characterized in that: described oil return control valve is electromagnetism check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165896.9U CN204505735U (en) | 2015-03-24 | 2015-03-24 | A kind of injection moulding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165896.9U CN204505735U (en) | 2015-03-24 | 2015-03-24 | A kind of injection moulding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204505735U true CN204505735U (en) | 2015-07-29 |
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ID=53703737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520165896.9U Expired - Fee Related CN204505735U (en) | 2015-03-24 | 2015-03-24 | A kind of injection moulding apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN204505735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532834A (en) * | 2023-12-06 | 2024-02-09 | 博创智能装备股份有限公司 | Energy-saving environment-friendly single-cylinder injection molding machine |
-
2015
- 2015-03-24 CN CN201520165896.9U patent/CN204505735U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532834A (en) * | 2023-12-06 | 2024-02-09 | 博创智能装备股份有限公司 | Energy-saving environment-friendly single-cylinder injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20200324 |