CN220517393U - Single-cylinder injection device - Google Patents
Single-cylinder injection device Download PDFInfo
- Publication number
- CN220517393U CN220517393U CN202321465261.1U CN202321465261U CN220517393U CN 220517393 U CN220517393 U CN 220517393U CN 202321465261 U CN202321465261 U CN 202321465261U CN 220517393 U CN220517393 U CN 220517393U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- injection cylinder
- injection
- piston rod
- injection device
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 123
- 239000007924 injection Substances 0.000 title claims abstract description 123
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000007790 scraping Methods 0.000 abstract description 31
- 239000000463 material Substances 0.000 abstract description 30
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000003670 easy-to-clean Effects 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a single-cylinder injection device which comprises an injection cylinder body, wherein a side cover plate is connected to one side wall of the injection cylinder body, a through hole is formed in the side cover plate, a light splitting plate is arranged on the side wall of the through hole, a piston rod is connected in the side cover plate in a sliding manner through the through hole, the piston rod can slide on the side cover plate, one end of the piston rod is arranged in the injection cylinder body, the other end of the piston rod is arranged outside the injection cylinder body, and one end of the piston rod arranged in the injection cylinder body is fixedly connected with a piston head. According to the utility model, the scraping plate is arranged on the front side of the piston head, the scraping knife is fixedly connected to the front end of the scraping plate, and when the piston head moves, the material on the inner wall can be hung by the scraping knife, so that the material is easy to clean; and the piston head is in sliding connection in the guide rod, so that the piston head only moves forwards and backwards and cannot rotate, the abrasion of the sealing ring is reduced, and the material leakage caused by the damage of the sealing ring is avoided.
Description
Technical Field
The utility model belongs to the technical field of injection devices, and particularly relates to a single-cylinder injection device.
Background
The injection unit of the existing injection molding machine is usually designed in a single cylinder, and the structure is relatively simple. When the plastic is melted, the hydraulic motor drives the spline shaft to rotate, the spline shaft drives the injection molding piston to rotate through the spline, the injection molding piston drives the screw to rotate, the screw is pushed by the plastic melt at the front end of the screw to retreat, and the injection molding piston retreats along the spline on the spline shaft; during injection, the oil port enters pressure oil to push the injection piston forward, and the injection piston pushes the screw forward to inject molten plastic into the mold.
However, when the existing single-cylinder injection device is used, materials are easy to adhere to the inner wall, cleaning of the materials is troublesome, and when the existing injection device piston is used, the existing injection device piston is required to move back and forth, and also is required to rotate, so that the sealing ring is easy to damage, and leakage of the materials is caused.
Accordingly, in view of the above-described problems, it is desirable to provide a single cylinder injection device.
Disclosure of Invention
The utility model aims to provide a single cylinder injection device which solves the problems.
In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:
the utility model provides a single cylinder injection device, includes injection cylinder body, be connected with the side cap on the lateral wall of injection cylinder body, the through-hole has been seted up on the side cap, set up on the lateral wall of through-hole and cut open the light board, there is the piston rod through-hole sliding connection in the side cap, the piston rod can slide on the side cap, in the injection cylinder body was arranged in to the one end of piston rod, the injection cylinder body was arranged in to the other end of piston rod, the piston rod was arranged in the one end fixedly connected with piston head in the injection cylinder body, the outer end of piston head is provided with first sealed pad, just first sealed pad and the inside wall looks butt of injection cylinder body, the lateral wall edge fixedly connected with scraping plate of piston head, scraping the inside wall looks at the material board and the injection cylinder body, the scraping knife is fixedly connected with on the lateral wall that is close to the injection cylinder body of scraping the material board.
Further, a connecting plate is integrally formed on the side wall of the injection cylinder body close to the side cover plate, and a second sealing gasket is arranged between the connecting plate and the side cover plate.
Further, bolts sequentially penetrate through the side cover plate, the second sealing gasket and the connecting plate, one end of each bolt is arranged on the outer side of the connecting plate, and one end of each bolt arranged on the outer side of the connecting plate is in threaded connection with a nut.
Further, the front end of the piston head is provided with a rubber head, and the outer edge of the rubber head is abutted against the inner side wall of the injection cylinder body.
Further, two side walls of the injection cylinder body are provided with a pair of movable joints, and a guide rod is arranged between the movable joints.
Further, the guide rod sequentially penetrates through the piston head and the rubber head, and the piston head and the rubber head can slide on the guide rod.
Further, the upper end of the injection cylinder body is provided with a feed inlet, and the feed inlet is provided with a feed inlet cover.
Further, a discharge hole is formed in one side wall, far away from the connecting plate, of the injection cylinder body, and a one-way valve is arranged on the discharge hole.
Further, a discharge opening is formed in the lower end of the injection cylinder body, and a discharge opening cover is arranged on the discharge opening.
Further, one end of the piston rod, which is far away from the connecting plate, is fixedly connected with a connector, and the connector is used for being connected with a driving assembly.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the scraping plate is arranged on the front side of the piston head, the scraping knife is fixedly connected to the front end of the scraping plate, and when the piston head moves, the material on the inner wall can be hung by the scraping knife, so that the material is easy to clean; and the piston head is in sliding connection in the guide rod, so that the piston head only moves forwards and backwards and cannot rotate, the abrasion of the sealing ring is reduced, and the material leakage caused by the damage of the sealing ring is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a front view of a single cylinder injection device according to an embodiment of the present utility model;
FIG. 2 is a perspective view of a single cylinder injection device according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a single cylinder injection device according to an embodiment of the present utility model;
FIG. 4 is a semi-sectional perspective view of a single cylinder injection device according to an embodiment of the present utility model;
fig. 5 is an enlarged view of a portion a in fig. 4 according to an embodiment of the present utility model.
In the figure: 1. the injection cylinder comprises an injection cylinder body, a connecting plate, a side cover plate, a piston rod, a piston head, a rubber head, a first sealing gasket, a scraping plate, a scraping knife, bolts, a nut and a screw, wherein the injection cylinder body, the connecting plate, the side cover plate, the piston rod, the piston head, the rubber head, the first sealing gasket, the scraping plate, the scraping knife, the screw and the screw are arranged in sequence, and the screw is arranged in sequence. The sealing gasket comprises a first sealing gasket, a second sealing gasket, a movable joint, a guide rod, a light splitting plate, a feeding hole cover, a discharging hole, a one-way valve, a discharging hole cover and a connector.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological or functional modifications from the embodiments are within the scope of the utility model.
The utility model discloses a single-cylinder injection device, which is shown with reference to figures 1-4 and comprises an injection cylinder body 1, wherein the injection cylinder body 1 is a shell of the single-cylinder injection device, and the injection cylinder body 1 is also used for installing parts in the single-cylinder injection device.
Referring to fig. 1-5, a side cover plate 3 is connected to one side wall of the injection cylinder body 1, a connecting plate 2 is integrally formed on the side wall of the injection cylinder body 1 close to the side cover plate 3, and a second sealing gasket 12 is arranged between the connecting plate 2 and the side cover plate 3. The side cover plate 3, the second sealing gasket 12 and the connecting plate 2 are sequentially penetrated with bolts 10, one end of each bolt 10 is arranged on the outer side of the connecting plate 2, and one end of each bolt 10 arranged on the outer side of the connecting plate 2 is in threaded connection with a nut 11. In order to facilitate the installation of the side cover plate 3, the connecting plate 2 is integrally formed on the outer side wall of the injection cylinder body 1, and the side cover plate 3 is installed through the connecting plate 2. Bolts 10 are inserted through the connecting plate 2 and the side cover plate 3, and nuts 11 are screwed on one ends of the bolts 10, so that the side cover plate 3 can be fixed on the injection cylinder body 1 by fastening the nuts 11, and the side cover plate 3 is stable in use.
Further, as shown in fig. 5, a second gasket 12 is provided between the connection plate 2 and the side cover plate 3, and after the connection plate 2 and the side cover plate 3 are fastened by the nuts 11 and the second gasket 12, in order to secure the sealability between the connection plate 2 and the side cover plate 3, the sealability between the connection plate 2 and the side cover plate 3 is increased by providing the second gasket 12 between the connection plate 2 and the side cover plate 3, so as to secure the sealability when the single cylinder injection device is used.
Referring to fig. 3 and 4, a through hole is formed in the side cover plate 3, a light splitting plate 15 is disposed on a side wall of the through hole, a piston rod 4 is slidably connected in the side cover plate 3 through the through hole, and the piston rod 4 can slide on the side cover plate 3. In order to enable the piston rod 4 to slide in the side cover plate 3, through the through holes formed in the side cover plate 3, the size of the through holes is matched with the diameter of the piston rod 4, and the piston rod 4 can be slidably connected to the side cover plate 3 through the through holes so that the piston rod 4 can slide in the side cover plate 3. In order to facilitate the smooth sliding of the piston rod 4 in the side cover plate 3, a light splitting plate 15 is arranged on the side wall of the through hole, and the light splitting plate 15 can enable the resistance of the piston rod 4 to be smaller when the piston rod 4 slides and ensure the tightness of the piston rod 4 when the piston rod slides on the side cover plate 3.
Referring to fig. 3 and 4, one end of the piston rod 4 is disposed in the injection cylinder body 1, the other end of the piston rod 4 is disposed outside the injection cylinder body 1, one end of the piston rod 4 disposed in the injection cylinder body 1 is fixedly connected with the piston head 5, a first sealing pad 7 is disposed at the outer end of the piston head 5, and the first sealing pad 7 is abutted to the inner side wall of the injection cylinder body 1. In order to facilitate the sliding of the piston rod 4 in the side cover plate 3, one end of the piston rod 4 is placed in the injection cylinder body 1 and the other end is placed outside the injection cylinder body 1. The piston head 5 is fixedly connected to one end of the piston rod 4 placed in the injection cylinder body 1, and the piston rod 4 can drive the piston head 5 to slide when sliding because the piston rod 4 can slide on the side cover plate 3. In order to enable tightness between the piston head 5 and the side wall of the injection cylinder body 1 during sliding, a first sealing gasket 7 is arranged on the outer side of the piston head 5, and the first sealing gasket 7 is abutted against the inner side wall of the injection cylinder body 1, so that the piston head 5 has better tightness during sliding in the injection cylinder body 1.
As shown in fig. 3 and 4, the front end of the piston head 5 is provided with a rubber head 6, and the outer edge of the rubber head 6 abuts against the inner side wall of the injection cylinder body 1. A rubber head 6 is arranged at the front end of the piston head 5, the outer edge of the rubber head 6 is abutted against the inner side wall of the injection cylinder body 1, and the sealing property between the piston head 5 and the inner side wall of the injection cylinder body 1 is further improved by arranging the rubber head 6, so that the piston head 5 is ensured to be sealed when sliding in the injection cylinder body 1.
Referring to fig. 3 and 5, a scraping plate 8 is fixedly connected to the edge of the side wall of the piston head 5, the scraping plate 8 is abutted against the inner side wall of the injection cylinder body 1, and a scraping knife 9 is fixedly connected to the side wall, close to the injection cylinder body 1, of the scraping plate 8. Since the injection cylinder body 1 is easy to attach materials to the side wall when in use. In order to be convenient for clear up the material on the injection cylinder body 1 inside wall, through fixedly connected with scraping plate 8 on the lateral wall of piston head 5 to fixedly connected with scraping knife 9 on scraping plate 8 is close to the lateral wall of injection cylinder body 1, piston head 5 can drive scraping plate 8 and scraping knife 9 and slide when sliding, scraping plate 8 and scraping knife 9 can clear up the material on the injection cylinder body 1 inside wall when sliding.
Referring to fig. 3 and 4, a pair of movable joints 13 are installed on both side walls of the injection cylinder body 1, and a guide rod 14 is installed between the pair of movable joints 13. The guide rod 14 penetrates through the piston head 5 and the rubber head 6 in order, and the piston head 5 and the rubber head 6 can slide on the guide rod 14. In order to enable the piston head 5 to slide back and forth in the injection cylinder body 1 only and not rotate in the injection cylinder body 1, the piston head 5 and the rubber head 6 are sleeved on the guide rod 14 by arranging the guide rod 14 in the injection cylinder body 1, so that the piston head 5 and the rubber head 6 can slide on the guide rod 14, and the piston head 5 can be limited to rotate in the injection cylinder body 1 through the guide rod 14. By installing a pair of movable joints 13 on both side walls of the injection cylinder body 1, the movable joints 13 facilitate the disassembly and assembly of the guide rod 14.
Preferably, since the piston head 5 can rotate and slide in the injection cylinder body 1, the loss of the first sealing gasket 7 is large, so that the first sealing gasket 7 is easy to wear, and the material leakage is caused. In order to reduce the wear on the first sealing gasket 7, the piston head 5 is guided by the guide rod 14 so that the piston head 5 can only slide back and forth in the injection cylinder body 1 and cannot rotate, so that the wear on the first sealing gasket 7 is reduced.
Referring to fig. 1 to 4, a feed inlet 16 is provided at the upper end of the injection cylinder body 1, and a feed inlet cover 17 is provided on the feed inlet 16. By providing the feed port 16 at the upper end of the injection cylinder body 1, the feed port 16 is used for adding material into the injection cylinder body 1. In order to facilitate the injection of the material in the injection cylinder body 1, the material is added into the injection cylinder body 1 through the piston head 5, and the injection cylinder body 1 can be sealed when the material in the injection cylinder body 1 is injected through arranging the feed port cover 17 on the feed port 16 through the feed port cover 17.
Referring to fig. 1-4, a discharge port 18 is arranged on a side wall of the injection cylinder body 1, which is far away from the connecting plate 2, and a one-way valve 19 is arranged on the discharge port 18. When the material in the injection cylinder body 1 is injected through the piston head 5, the material is injected into the mould through the discharge port 18. In order to prevent the injected material from returning into the injection cylinder body 1, a check valve 19 is provided at the outlet 18, and the injected material is prevented from returning into the injection cylinder body 1 by the check valve 19.
Referring to fig. 1 to 4, a discharge port 20 is provided at the lower end of the injection cylinder body 1, and a discharge port cover 21 is provided on the discharge port 20. After the injection device is used, in order to be convenient for discharge the material that remains in the injection cylinder body 1, be provided with bin outlet 20 at the lower extreme of injection cylinder body 1, can discharge the material through bin outlet 20. At the same time, a discharge opening cover 21 is provided at the lower end of the discharge opening 20, and the discharge opening cover 21 is used for opening and closing the discharge opening 20.
Referring to fig. 1 and 2, a connector 22 is fixedly connected to one end of the piston rod 4 away from the connecting plate 2, and the connector 22 is used for connecting a driving assembly. The piston rod 4 is a part for pushing the piston head 5 to slide, a connector 22 is fixedly connected to one end of the piston rod 4 far away from the connecting plate 2 in order to drive the piston rod 4 to move, and a driving device is arranged through the connector 22 so as to drive the piston rod 4 to move through the connector 22.
When the injection cylinder is used, materials are added into the injection cylinder body 1 through the feed inlet 16, then the feed inlet 16 is closed through the feed inlet cover 17, then the discharge hole 18 is connected with a die, then the connection head 22 is connected with a driving device, so that the driving device drives the piston rod 4 to move, the piston rod 4 can drive the piston head 5 to slide in the injection cylinder body 1 when moving, and the piston head 5 can inject the materials in the injection cylinder body 1 into the die through the discharge hole 18 when sliding in the injection cylinder body 1.
The technical scheme shows that the utility model has the following beneficial effects:
according to the utility model, the scraping plate is arranged on the front side of the piston head, the scraping knife is fixedly connected to the front end of the scraping plate, and when the piston head moves, the material on the inner wall can be hung by the scraping knife, so that the material is easy to clean; and the piston head is in sliding connection in the guide rod, so that the piston head only moves forwards and backwards and cannot rotate, the abrasion of the sealing ring is reduced, and the material leakage caused by the damage of the sealing ring is avoided.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (10)
1. The utility model provides a single cylinder injection device, includes injection cylinder body (1), a serial communication port, be connected with side cap board (3) on the lateral wall of injection cylinder body (1), set up the through-hole on side cap board (3), set up on the lateral wall of through-hole and cut open smooth board (15), there is piston rod (4) through-hole sliding connection in side cap board (3), piston rod (4) can slide on side cap board (3), in injection cylinder body (1) is arranged in to one end of piston rod (4), the other end of piston rod (4) is arranged in outside injection cylinder body (1), one end fixedly connected with piston head (5) in injection cylinder body (1) are arranged in to piston rod (4), the outer end of piston head (5) is provided with first sealed pad (7), just the inside wall edge fixedly connected with scraper (8) of piston head (5), scraper (8) and injection cylinder body (1) inside wall offset, scraper (8) are close to on fixed scraper (9) of scraper (1).
2. The single-cylinder injection device according to claim 1, wherein a connecting plate (2) is integrally formed on the side wall of the injection cylinder body (1) close to the side cover plate (3), and a second sealing gasket (12) is arranged between the connecting plate (2) and the side cover plate (3).
3. The single-cylinder injection device according to claim 2, wherein bolts (10) are sequentially penetrated through the side cover plate (3), the second sealing gasket (12) and the connecting plate (2), one end of each bolt (10) is arranged on the outer side of the connecting plate (2), and one end of each bolt (10) arranged on the outer side of the connecting plate (2) is in threaded connection with a nut (11).
4. A single cylinder injection device according to claim 1, characterized in that the front end of the piston head (5) is provided with a rubber head (6), the outer edge of the rubber head (6) being in abutment with the inner side wall of the injection cylinder body (1).
5. A single cylinder injection device according to claim 1, characterized in that a pair of loose joints (13) are mounted on both side walls of the injection cylinder body (1), and a guide rod (14) is mounted between a pair of loose joints (13).
6. A single cylinder injection device according to claim 5, characterized in that the guide rod (14) penetrates the piston head (5) and the rubber head (6) in sequence, and that the piston head (5) and the rubber head (6) are slidable on the guide rod (14).
7. A single cylinder injection device according to claim 1, characterized in that the upper end of the injection cylinder body (1) is provided with a feed inlet (16), and that the feed inlet (16) is provided with a feed inlet cover (17).
8. The single-cylinder injection device according to claim 7, wherein a discharge port (18) is arranged on a side wall of the injection cylinder body (1) far away from the connecting plate (2), and a one-way valve (19) is arranged on the discharge port (18).
9. A single cylinder injection device according to claim 8, characterized in that the lower end of the injection cylinder body (1) is provided with a discharge opening (20), and the discharge opening (20) is provided with a discharge opening cover (21).
10. A single cylinder injection device according to claim 1, characterized in that the end of the piston rod (4) remote from the connecting plate (2) is fixedly connected with a connector (22), said connector (22) being adapted to be connected to a drive assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465261.1U CN220517393U (en) | 2023-06-09 | 2023-06-09 | Single-cylinder injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465261.1U CN220517393U (en) | 2023-06-09 | 2023-06-09 | Single-cylinder injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220517393U true CN220517393U (en) | 2024-02-23 |
Family
ID=89935678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321465261.1U Active CN220517393U (en) | 2023-06-09 | 2023-06-09 | Single-cylinder injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220517393U (en) |
-
2023
- 2023-06-09 CN CN202321465261.1U patent/CN220517393U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111016065B (en) | Plastic injection molding device and injection molding method | |
| CN220517393U (en) | Single-cylinder injection device | |
| CN101780534A (en) | Novel extrusion injection device | |
| CN214562643U (en) | Injection molding machine runner check valve structure | |
| CN202685235U (en) | Injection device for injection modling machine | |
| CN219366248U (en) | Plunger pump convenient to overhaul | |
| CN112297371A (en) | Injection molding machine | |
| CN217944074U (en) | Composite material extrusion injection molding integral forming injection device | |
| CN201415265Y (en) | Novel extrusion injection device | |
| CN116441506A (en) | High-precision metal die casting die | |
| CN221136790U (en) | Sol injection device with rolling guide rail type piston rod | |
| CN204687287U (en) | Pressurizer | |
| CN212888659U (en) | Plunger type injection device | |
| CN215039990U (en) | Backflow cutoff structure of plastic extruding machine | |
| CN107839152B (en) | Leak-free self-sealing valve core nozzle of injection molding machine | |
| CN219855845U (en) | High-pressure mold locking oil cylinder of injection molding machine | |
| CN219543844U (en) | Plunger type BMC material injection device | |
| CN221315054U (en) | Propelling screw rod transmission shaft of injection molding machine | |
| CN219062117U (en) | Single-cylinder injection table oil seal structure and single-cylinder injection table with same | |
| CN212171214U (en) | Single-cylinder injection device of injection molding machine | |
| CN211390016U (en) | Single-cylinder high-speed injection device | |
| CN204505735U (en) | A kind of injection moulding apparatus | |
| CN219055234U (en) | Injection molding machine increases injection volume and penetrates gluey hydro-cylinder structure and injection molding machine thereof | |
| CN205310674U (en) | Auto -lock preventing material -overflowing structure owner penetrates and chews | |
| CN217714486U (en) | Manual oil ejector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |