CN220826233U - Injection molding machine convenient to change injection head - Google Patents
Injection molding machine convenient to change injection head Download PDFInfo
- Publication number
- CN220826233U CN220826233U CN202322467223.6U CN202322467223U CN220826233U CN 220826233 U CN220826233 U CN 220826233U CN 202322467223 U CN202322467223 U CN 202322467223U CN 220826233 U CN220826233 U CN 220826233U
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- injection head
- injection
- fixedly connected
- wall
- molding machine
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- 238000002347 injection Methods 0.000 title claims abstract description 64
- 239000007924 injection Substances 0.000 title claims abstract description 64
- 238000001746 injection moulding Methods 0.000 title claims abstract description 23
- 230000008859 change Effects 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection molding machine convenient for replacing an injection head, which comprises: a work table; the device comprises a workbench, a first hydraulic cylinder, a second hydraulic cylinder, a lifting plate, a first die and a second die, wherein the output end of the first hydraulic cylinder is connected with a movable plate, the top end of the movable plate is fixedly connected with a pulling column, the top end of the pulling column penetrates through the workbench and is fixedly connected with the lifting plate, and an upper die is arranged on the inner side of the lifting plate; the lower die is arranged at the top end of the workbench and is positioned below the upper die; the positioning column is fixedly connected to the top end of the lifting disc and is used for assisting the connecting mechanism. The utility model provides an auxiliary connecting mechanism, firstly, when a new injection head needs to be installed, the injection head can be connected with a protection ring through an outer wall thread, so that the injection head is installed at the bottom of a feeding barrel, a worker does not need to operate for many times, and the replacement of the injection head by the worker is facilitated.
Description
Technical Field
The utility model belongs to the technical field of injection molding machines, and particularly relates to an injection molding machine with an injection head convenient to replace.
Background
In the field of injection molding, injection molding machines are often used, and the working principle of the injection molding machine is that plastic raw materials enter a charging barrel after being heated by an injection molding machine hopper, and molten plastic enters a closed mold cavity through a mold hot runner system by an injection head of the injection molding machine under the pushing of a screw rod or a plunger of the injection molding machine.
The existing injection molding machine injects raw materials in a molten state into a mold through an injection head, however, impurities which cannot be melted in plastic particles can seriously block an injection nozzle, so that injection molding pressure is reduced, the quality of injection molding products in a normal production process is abnormal, defects such as shrinkage or lack of glue are easily generated, the injection nozzle is stopped and disassembled to clean, the existing injection head mostly connects the injection nozzle with an injection mechanism through a connecting mode such as welding or hot melting, when the injection nozzle needs to be installed or replaced, workers are required to assist in positioning the injection nozzle, and an external tool is adopted for installing the injection nozzle, so that the installation and replacement mode is inconvenient.
Disclosure of utility model
The utility model aims to provide an injection molding machine convenient for replacing an injection head, so as to solve the problem that the injection head is troublesome to replace in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
An injection molding machine for facilitating replacement of an injection head, comprising: a work table; the first hydraulic cylinder is arranged on the inner side of the workbench, the output end of the first hydraulic cylinder is connected with a movable disc, the top end of the movable disc is fixedly connected with a pulling column, the top end of the pulling column penetrates through the upper part of the workbench and is fixedly connected with a lifting disc, and an upper die is arranged on the inner side of the lifting disc; the lower die is arranged at the top end of the workbench and is positioned below the upper die; the positioning column is fixedly connected to the top end of the lifting disc, the outer wall of the positioning column is fixedly connected with a movable frame, a feeding barrel is arranged on the inner side of the movable frame, an injection head is arranged at a discharge hole of the feeding barrel, a feeding hopper is connected to a feeding hole of the feeding barrel, a second hydraulic cylinder is arranged on the inner side of the movable frame, and the output end of the second hydraulic cylinder is connected with the lifting disc; the auxiliary connecting mechanism is positioned between the feeding barrel and the injection head and is used for assisting workers in replacing the injection head.
According to a further technical scheme, the auxiliary connecting mechanism comprises a protection ring fixedly connected to the outer wall of the feeding barrel, threads are arranged on the outer wall of the injection head, and the injection head is in threaded connection with the protection ring through the threads on the outer wall.
According to a further technical scheme, sealing rubber is fixedly connected to the inner side of the protection ring, a conical groove is formed in the outer wall of the injection head, and an inwards concave groove is formed in the outer wall of the injection head.
Further technical scheme, the inboard sliding connection of protection ring has the expansion ring, the inboard fixedly connected with bolt of expansion ring, the one end of bolt runs through to the inboard of protection ring, the outer wall fixedly connected with auxiliary spring of expansion ring, auxiliary spring's one end with protection ring fixed connection, inwards sunken pinhole has been seted up to the outer wall of injector head, the pinhole with bolt assorted.
According to a further technical scheme, one end of the bolt is provided with a ball block, and the ball block is spherical.
According to a further technical scheme, the outer wall of the injection head is provided with a conical surface connected with the groove.
The utility model has the beneficial effects that:
1. The utility model provides an auxiliary connecting mechanism, firstly, when a new injector is required to be installed, the injector can be connected with a protection ring through an outer wall thread, so that the injector is installed at the bottom of a feed barrel, a worker does not need to operate for many times, the injector is convenient to replace, when the injector is connected with the protection ring through the thread, a conical groove is contacted with a ball block, the ball block is pushed to drive a bolt to retract towards the inner side of the protection ring under the action of the conical groove, when the ball block is contacted with the conical surface of the outer wall of the injector, the ball block always contracts in the protection ring, after the injector is installed in the inner side of the protection ring, a pin hole is aligned with the bolt, so that an auxiliary spring is not pushed by extrusion force to reset the bolt, and the bolt is inserted into the pin hole, so that the injector is fixed with the protection ring, and the injector is reinforced;
2. The utility model provides the matching of parts such as sealing rubber. When the injection head is in threaded connection with the protection ring, the conical groove on the outer wall of the injection head is in contact with the sealing rubber, the sealing rubber is contracted inwards under the action of the conical groove, and the sealing rubber is clung to the injection head due to elasticity of the sealing rubber, so that the injection head and the protection ring are sealed, and the overall sealing performance of the injection head after being installed is improved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
Fig. 1: the structure of the utility model is schematically shown.
Fig. 2: the top structure of the lifting disc is schematically shown.
Fig. 3: the injection head and the protection ring of the utility model are cross-sectional views.
Fig. 4: the utility model relates to a jet head and a protection ring installation schematic diagram.
Fig. 5: the utility model is shown in enlarged view at B in fig. 4.
Reference numerals: 1. a work table; 2. a first hydraulic cylinder; 3. a moving tray; 4. a lower die; 5. an upper die; 6. a lifting disc; 7. pulling the column; 8. a second hydraulic cylinder; 9. positioning columns; 10. a movable frame; 11. a feed hopper; 12. a feeding barrel; 13. an injection head; 14. a protective ring; 15. sealing rubber; 16. a plug pin; 17. a conical groove; 18. a ball block; 19. a movable ring; 20. an auxiliary spring; 21. a pin hole; 22. a groove.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-5, in an embodiment of the present utility model, an injection molding machine for facilitating replacement of an injection head includes: a work table 1; the first hydraulic cylinder 2 is arranged on the inner side of the workbench 1, the output end of the first hydraulic cylinder 2 is connected with the movable disc 3, the top end of the movable disc 3 is fixedly connected with the pulling column 7, the top end of the pulling column 7 penetrates through to the upper side of the workbench 1 and is fixedly connected with the lifting disc 6, and the inner side of the lifting disc 6 is provided with the upper die 5; the lower die 4 is arranged at the top end of the workbench 1 and is positioned below the upper die 5; the positioning column 9 is fixedly connected to the top end of the lifting disc 6, the outer wall of the positioning column 9 is fixedly connected with a movable frame 10, a feeding barrel 12 is arranged on the inner side of the movable frame 10, an injection head 13 is arranged at a discharge hole of the feeding barrel 12, a feeding hopper 11 is connected to a feeding hole of the feeding barrel 12, a second hydraulic cylinder 8 is arranged on the inner side of the movable frame 10, and the output end of the second hydraulic cylinder 8 is connected with the lifting disc 6; the auxiliary connecting mechanism is positioned between the feeding barrel 12 and the injection head 13 and is used for assisting workers in replacing the injection head 13.
In this embodiment: the inner cavity of the feeding barrel 12 can be internally provided with a heating component, the heating component can be a heating device such as an electric heating coil, the inside of the feeding barrel 12 can be provided with a spiral conveying rod, a driving motor for driving the spiral conveying rod is arranged at the top end of the feeding barrel 12, the first hydraulic cylinder 2 is started, the output end of the first hydraulic cylinder 2 drives the movable disc 3 to drive the upper die 5 to move downwards, the upper die 5 and the lower die 4 are clamped, the second hydraulic cylinder 8 is started later, the output end of the second hydraulic cylinder 8 drives the movable frame 10 to drive the injection head 13 to move downwards, so that the bottom injection orifice of the injection head 13 is inserted into the top end feed inlet of the upper die 5, and then the raw materials in a fused state can be injected into the upper die 5 and the lower die 4 through the feeding barrel 12.
Referring to fig. 2-5, the auxiliary connection mechanism includes a protection ring 14 fixedly connected to the outer wall of the feeding barrel 12, a thread is provided on the outer wall of the injection head 13, the injection head 13 is in threaded connection with the protection ring 14 through the thread on the outer wall, a movable ring 19 is slidably connected to the inner side of the protection ring 14, a plug 16 is fixedly connected to the inner side of the movable ring 19, one end of the plug 16 penetrates to the inner side of the protection ring 14, an auxiliary spring 20 is fixedly connected to the outer wall of the movable ring 19, one end of the auxiliary spring 20 is fixedly connected to the protection ring 14, an inwards concave pin hole 21 is provided on the outer wall of the injection head 13, the pin hole 21 is matched with the plug 16, a ball 18 is provided at one end of the plug 16, the ball 18 is spherical, and a conical surface connected with a groove 22 is provided on the outer wall of the injection head 13.
In this embodiment: firstly, when a new injector 13 needs to be installed, the injector 13 can be connected with the protection ring 14 through the outer wall threads, so that the injector 13 is installed at the bottom of the feed barrel 12, a worker does not need to operate for many times, the injector 13 is convenient to replace, when the injector 13 is connected with the protection ring 14 through the threads, the conical groove 17 is in contact with the ball block 18, the ball block 18 is pushed to drive the bolt 16 to retract towards the inner side of the protection ring 14 under the action of the conical groove 17, when the ball block 18 is in contact with the conical surface of the outer wall of the injector 13, the ball block 18 always contracts inside the protection ring 14, after the injector 13 is installed inside the protection ring 14, the pin hole 21 is aligned with the bolt 16, so that the auxiliary spring 20 is not reset by pushing the bolt 16, the bolt 16 is inserted inside the pin hole 21, the injector 13 is fixed with the protection ring 14, the injector 13 is reinforced by the reverse operation, and the injector 13 can be convenient for the worker to disassemble the injector 13.
Referring to fig. 3-5, a sealing rubber 15 is fixedly connected to the inner side of the protecting ring 14, a conical groove 17 is formed on the outer wall of the injection head 13, and an inward concave groove 22 is formed on the outer wall of the injection head 13.
In this embodiment: when the injector 13 is in threaded connection with the protection ring 14, the conical groove 17 on the outer wall of the injector 13 is in contact with the sealing rubber 15, the sealing rubber 15 is contracted inwards under the action of the conical groove 17, and the sealing rubber 15 is tightly attached to the injector 13 due to the elasticity of the sealing rubber 15, so that the injector 13 and the protection ring 14 are sealed, and the overall sealing performance of the injector 13 after being installed is improved.
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.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. An injection molding machine for facilitating replacement of an injection head, comprising:
A work table (1);
the automatic feeding device comprises a workbench (1), a first hydraulic cylinder (2), a lifting disc (6) and an upper die (5), wherein the first hydraulic cylinder (2) is arranged on the inner side of the workbench (1), the output end of the first hydraulic cylinder (2) is connected with a movable disc (3), the top end of the movable disc (3) is fixedly connected with a pulling column (7), the top end of the pulling column (7) penetrates through to the upper side of the workbench (1), and the lifting disc (6) is fixedly connected with the inner side of the lifting disc (6);
The lower die (4) is arranged at the top end of the workbench (1) and is positioned below the upper die (5);
The positioning column (9), the top of lifting disk (6) is in fixed connection to positioning column (9), the outer wall fixedly connected with movable frame (10) of positioning column (9), feed barrel (12) are installed to the inboard of movable frame (10), the bin outlet department of feed barrel (12) is provided with injection head (13), the feed inlet department of feed barrel (12) is connected with feeder hopper (11), second pneumatic cylinder (8) are installed to the inboard of movable frame (10), the output of second pneumatic cylinder (8) with lifting disk (6) are connected;
the auxiliary connecting mechanism is positioned between the feeding barrel (12) and the injection head (13) and is used for assisting workers in replacing the injection head (13).
2. Injection molding machine convenient to replace injection head according to claim 1, characterized in that the auxiliary connection mechanism comprises a protection ring (14) fixedly connected to the outer wall of the feed barrel (12), the outer wall of the injection head (13) is provided with threads, and the injection head (13) is in threaded connection with the protection ring (14) through the threads of the outer wall.
3. Injection molding machine convenient for replacing injection heads according to claim 2, characterized in that the inner side of the protection ring (14) is fixedly connected with sealing rubber (15), the outer wall of the injection head (13) is provided with a conical groove (17), and the outer wall of the injection head (13) is provided with an inward concave groove (22).
4. An injection molding machine convenient for replacing an injection head according to claim 3, characterized in that the inner side of the protection ring (14) is slidably connected with a movable ring (19), the inner side of the movable ring (19) is fixedly connected with a plug pin (16), one end of the plug pin (16) penetrates through the inner side of the protection ring (14), the outer wall of the movable ring (19) is fixedly connected with an auxiliary spring (20), one end of the auxiliary spring (20) is fixedly connected with the protection ring (14), the outer wall of the injection head (13) is provided with an inwards concave pin hole (21), and the pin hole (21) is matched with the plug pin (16).
5. Injection molding machine facilitating replacement of injection heads according to claim 4, characterized in that one end of the bolt (16) is provided with a ball (18) and the ball (18) is provided in the form of a sphere.
6. Injection molding machine facilitating replacement of injection heads according to claim 4, characterized in that the outer wall of the injection head (13) is provided with a conical surface which is in contact with the recess (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322467223.6U CN220826233U (en) | 2023-09-12 | 2023-09-12 | Injection molding machine convenient to change injection head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322467223.6U CN220826233U (en) | 2023-09-12 | 2023-09-12 | Injection molding machine convenient to change injection head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220826233U true CN220826233U (en) | 2024-04-23 |
Family
ID=90725157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322467223.6U Active CN220826233U (en) | 2023-09-12 | 2023-09-12 | Injection molding machine convenient to change injection head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220826233U (en) |
-
2023
- 2023-09-12 CN CN202322467223.6U patent/CN220826233U/en active Active
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