CN207617066U - One kind can pressure release type injection molding machine - Google Patents
One kind can pressure release type injection molding machine Download PDFInfo
- Publication number
- CN207617066U CN207617066U CN201721612887.5U CN201721612887U CN207617066U CN 207617066 U CN207617066 U CN 207617066U CN 201721612887 U CN201721612887 U CN 201721612887U CN 207617066 U CN207617066 U CN 207617066U
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- CN
- China
- Prior art keywords
- pressure release
- runner
- screw
- barrel
- head
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to one kind can pressure release type injection molding machine.It includes rack, barrel, screw rod and hydraulic motor, the screw rod includes screw body, screw head and check ring, one end that the screw body is inserted into barrel is equipped with centre bore, which includes the head being sequentially connected, stage casing cylinder and endpiece cylinder, which is inserted into centre bore；A pressure release runner is equipped in the screw head, the entrance of the pressure release runner is located on the head of screw head, and the outlet of the pressure release runner is on the peripheral wall of endpiece cylinder；The inlet of the pressure release runner be equipped with one can be breakdown pressure release diaphragm, the pressure release diaphragm block pressure release runner entrance, the pressure release diaphragm have a breakdown threshold.The effect of pressure release may be implemented in the utility model, avoids overvoltage and influences injection-molded finished quality, also avoids overvoltage and damages the equipment such as the mold of injection molding machine, barrel, it is ensured that the service life of the components such as mold, barrel.
Description
Technical field
The utility model is related to one kind can pressure release type injection molding machine.
Background technology
Injection molding machine is that variously-shaped plastics system is made using mould for plastics for thermoplastic or thermosetting plastics
The main former of product.Existing screw injection molding machine during the work time, by lead-screw (being used as plunger to be used) with
Pushing away makes the melting charge in barrel in the storing section of screw head front end be injected in mold cavity through nozzle.But due to the position of screw rod
Shifting amount, density of melting charge etc. are difficult to be accurately determined, the case where often will appear the hypertonia of storing section and mold cavity, and
Excessively high pressure not only influences the quality of injecting products finished product, can also cause to damage to the equipment such as mold, barrel in injection molding machine, drop
Low service life.
Invention content
The purpose of this utility model is to provide it is a kind of ensure service life can pressure release type injection molding machine.
Above-mentioned purpose is achieved by the following technical solution：
One kind can pressure release type injection molding machine, including rack, barrel, screw rod and hydraulic motor, the barrel and hydraulic motor pacify
Loaded in rack, which includes screw body, screw head and check ring, and one end of the screw body is inserted into barrel, and the screw rod
The other end of body couples with hydraulic motor so that hydraulic motor driving screw body rotation, one end which is inserted into barrel is set
There is centre bore, which includes being sequentially connected in cone-shaped head, stage casing cylinder and endpiece cylinder, which inserts
Enter in centre bore, this is non-return to be located on outside the cylinder of stage casing；A pressure release runner, the entrance position of the pressure release runner are equipped in the screw head
In on the head of screw head, the outlet of the pressure release runner is on the peripheral wall of endpiece cylinder；It installs the inlet of the pressure release runner
Have one can be breakdown pressure release diaphragm, the pressure release diaphragm block pressure release runner entrance, the pressure release diaphragm have a breakdown threshold；
One end that the screw body is inserted into barrel is equipped with passageway, and the entrance in the passageway is located on the hole wall of centre bore, the outlet in the passageway
On the peripheral wall that screw body is inserted into one end in barrel, and the outlet of the entrance in the passageway and pressure release runner.
The operation principle of the utility model is as follows, and when pressure is less than breakdown threshold, pressure release diaphragm blocks pressure release runner
Entrance, at this point, the entrance of pressure release runner is closed, melting charge cannot circulate in runner；When pressure is hit more than or equal to this
When wearing threshold value, pressure release diaphragm can be breakdown, at this point, the entrance of pressure release runner is opened, melting charge can circulate in runner；
It is possible thereby to realize the effect of pressure release, avoids overvoltage and influence injection-molded finished quality, also avoid mould that is over-pressed and damaging injection molding machine
The equipment such as tool, barrel, it is ensured that the service life of the components such as mold, barrel.
Description of the drawings
Fig. 1 shows the structural schematic diagram of the utility model；
Fig. 2 shows the schematic cross-sectional views of the barrel of the utility model and screw rod；
Fig. 3 shows the portions the A partial enlarged view of Fig. 2；
Fig. 4 shows the stereoscopic schematic diagram of the screw rod of the utility model；
Fig. 5 shows the perspective exploded view of the screw rod of the utility model；
Fig. 6 shows the portions the B partial enlarged view of Fig. 5；
Fig. 7 shows the stereoscopic schematic diagram of the screw rod of the utility model, wherein having cut the part of screw rod；
Fig. 8 shows the portions the C partial enlarged view of Fig. 7；
Fig. 9 shows the schematic diagram after decomposing each component on the basis of Fig. 7；
Figure 10 shows the front view of the pressure release diaphragm of the utility model.
Drawing reference numeral：
10 racks, 30 hydraulic motors, 40 screw bodies, 401 centre bores, 402 passageways, the entrance in 403 passageways, 404 passageways
Outlet, 50 check rings, 60 barrels；
11 screw heads, 12 heads, 13 stage casing cylinders, 14 endpiece cylinders, the entrance of 15 pressure release runners, 16 pressure release runners go out
Mouth, the peripheral wall of 17 endpiece cylinders, 18 pressure release diaphragms, 181 sheet bodies, 182 line of weakness, 19 sprues, 20 side runners, 21 screw heads
Axis, 22 step surfaces, 23 trim rings.
Specific implementation mode
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
One kind as shown in Figures 1 to 10 can pressure release type injection molding machine, including rack 10, barrel 60, screw rod and hydraulic motor
30, the barrel 60 and hydraulic motor 30 are mounted in rack 10, which includes screw body 40, screw head 11 and check ring,
One end of the screw body 40 is inserted into barrel 60, and the other end of the screw body 40 couples with hydraulic motor 30 so that hydraulic motor
30 driving screw bodies 40 rotate, the screw body 40 be inserted into barrel 60 in one end be equipped with centre bore 401, the screw head 11 include according to
It is secondary it is connected be in cone-shaped head 12, stage casing cylinder 13 and endpiece cylinder 14, which is inserted into centre bore 401,
The check ring 50 is placed on outside stage casing cylinder 13；
A pressure release runner is equipped in the screw head 11, the entrance 15 of the pressure release runner is located on the head 12 of screw head, should
The outlet 16 of pressure release runner is located on the peripheral wall 17 of endpiece cylinder；
Be equipped at the entrance 15 of the pressure release runner one can be breakdown pressure release diaphragm 18, the pressure release diaphragm 18 block pressure release
The entrance 15 of runner, the pressure release diaphragm 18 have a breakdown threshold；
One end that the screw body 40 is inserted into barrel 60 is equipped with passageway 402, and the entrance 403 in the passageway is located at centre bore 401
Hole wall on, the outlet 404 in the passageway is located at screw body 40 and is inserted on the peripheral wall of one end in barrel 60, and the entrance in the passageway
403 are connected to the outlet 16 of pressure release runner.
The operation principle of the present embodiment is as follows, and when pressure is less than breakdown threshold, pressure release diaphragm blocks entering for pressure release runner
Mouthful, at this point, the entrance of pressure release runner is closed, melting charge cannot circulate in runner；When pressure is greater than or equal to the breakdown
When threshold value, pressure release diaphragm can be breakdown, at this point, the entrance of pressure release runner is opened, melting charge can circulate in runner；By
The effect of pressure release may be implemented in this, avoid overvoltage and influence injection-molded finished quality, also avoid overvoltage and damage injection molding machine mold,
The equipment such as barrel, it is ensured that the service life of the components such as mold, barrel.
The pressure release runner includes interconnected sprue 19 and side runner 20, which sequentially passes through screw head
It is stretched into endpiece cylinder 14 after head 12 and stage casing cylinder 13, which is located in endpiece cylinder 14, the sprue 19
One end is the entrance 15 of pressure release runner, and the other end of the sprue 19 connect with one end of side runner 20, the side runner 20 it is another
One end is the outlet 16 of pressure release runner.
The extending direction of the sprue 19 is parallel to the axis 21 of screw head, and the extending direction of the side runner 20 favours spiral shell
The axis 21 of head.In the present embodiment, sprue is located at the center of screw head, the extending direction and screw rod of the side runner 20
The angle of the axis 21 of head is 0 degree to 90 degree, preferably 45 degree.The Technical Design is reasonable, in order to which melting charge is in pressure release
It circulates in runner.
The centre bore 401 is equipped with internal thread, which is equipped with external screw thread, external screw thread and internal thread threaded engagement.
The pressure release diaphragm 18 includes sheet body 181 and " C " the shape line of weakness 182 on sheet body 181.The technical solution structure
Simply, in the present embodiment, the concrete structure of pressure release diaphragm and manufacture can be with the knots of the explosion-proof diaphragm in reference battery explosion-proof technology
Structure and manufacture.
It is equipped with an annular step face 22 in the entrance 15 of the pressure release runner, one is equipped in the entrance 15 of the pressure release runner
Circular ring shape trim ring 23, the pressure release diaphragm 18 are held between trim ring 23 and step surface 23.The technical solution can improve pressure release
The stability and fastness of diaphragm assembly.
In the present embodiment, which is threadedly coupled with the head 12 of screw head, in order to dismount.
Claims (6)
1. one kind can pressure release type injection molding machine, including rack, barrel, screw rod and hydraulic motor, the barrel and hydraulic motor be respectively mounted
In in rack, which includes screw body, screw head and check ring, and one end of the screw body is inserted into barrel, and the screw body
The other end couple with hydraulic motor so that hydraulic motor driving screw body rotation, the screw body be inserted into barrel in one end be equipped with
Centre bore, the screw head include being sequentially connected in cone-shaped head, stage casing cylinder and endpiece cylinder, which is inserted into
In centre bore, this is non-return to be located on outside the cylinder of stage casing, it is characterised in that：
A pressure release runner is equipped in the screw head, the entrance of the pressure release runner is located on the head of screw head, the pressure release runner
Outlet is on the peripheral wall of endpiece cylinder；
The inlet of the pressure release runner be equipped with one can be breakdown pressure release diaphragm, which blocks pressure release runner and enters
Mouthful, which has a breakdown threshold；
One end that the screw body is inserted into barrel is equipped with passageway, and the entrance in the passageway is located on the hole wall of centre bore, the passageway
Outlet is located at screw body and is inserted on the peripheral wall of one end in barrel, and the outlet of the entrance in the passageway and pressure release runner.
2. one kind according to claim 1 can pressure release type injection molding machine, it is characterised in that：The pressure release runner includes being interconnected
Sprue and side runner, the sprue sequentially pass through screw head head and stage casing cylinder after stretch into endpiece cylinder, the side
Runner is located in endpiece cylinder, and one end of the sprue is the entrance of pressure release runner, the other end of the sprue and side runner
One end connects, and the other end of the side runner is the outlet of pressure release runner.
3. one kind according to claim 2 can pressure release type injection molding machine, it is characterised in that：The extending direction of the sprue is parallel
The axis of screw head is favoured in the extending direction of the axis of screw head, the side runner.
4. one kind according to claim 2 can pressure release type injection molding machine, it is characterised in that：
The centre bore is equipped with internal thread, which is equipped with external screw thread, external screw thread and internal thread threaded engagement.
5. one kind according to claim 1 can pressure release type injection molding machine, it is characterised in that：The pressure release diaphragm includes sheet body and sets
In " C " shape line of weakness on sheet body.
6. one kind according to claim 1 can pressure release type injection molding machine, it is characterised in that：It is equipped in the entrance of the pressure release runner
One annular step face is equipped with a circular ring shape trim ring in the entrance of the pressure release runner, the pressure release diaphragm be held in trim ring with
Between step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612887.5U CN207617066U (en) | 2017-11-27 | 2017-11-27 | One kind can pressure release type injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612887.5U CN207617066U (en) | 2017-11-27 | 2017-11-27 | One kind can pressure release type injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207617066U true CN207617066U (en) | 2018-07-17 |
Family
ID=62824207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721612887.5U Expired - Fee Related CN207617066U (en) | 2017-11-27 | 2017-11-27 | One kind can pressure release type injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207617066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024051309A1 (en) * | 2022-09-09 | 2024-03-14 | 吴江天龙电子机械设备有限公司 | Mining explosion-proof spiral exhaust pressure relief device |
-
2017
- 2017-11-27 CN CN201721612887.5U patent/CN207617066U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024051309A1 (en) * | 2022-09-09 | 2024-03-14 | 吴江天龙电子机械设备有限公司 | Mining explosion-proof spiral exhaust pressure relief device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180717 Termination date: 20181127 |