CN220946395U - High-precision feeding device for injection molding machine - Google Patents
High-precision feeding device for injection molding machine Download PDFInfo
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- CN220946395U CN220946395U CN202322921226.2U CN202322921226U CN220946395U CN 220946395 U CN220946395 U CN 220946395U CN 202322921226 U CN202322921226 U CN 202322921226U CN 220946395 U CN220946395 U CN 220946395U
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- wall
- fixedly connected
- discharging pipe
- feeding
- injection molding
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 23
- 238000005303 weighing Methods 0.000 claims abstract description 49
- 238000007599 discharging Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 28
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 28
- 241001330002 Bambuseae Species 0.000 claims description 28
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 28
- 239000011425 bamboo Substances 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 238000007790 scraping Methods 0.000 abstract description 17
- 239000002994 raw material Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000012856 weighed raw material Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molding machines, and discloses a high-precision feeding device for an injection molding machine, which comprises a spiral feeding machine, wherein a feeding end of the spiral feeding machine is fixedly communicated with a discharging pipe, the top end of the discharging pipe is fixedly communicated with a feeding cylinder, the upper surface of the feeding cylinder is fixedly communicated with a feeding pipe, the left side of the feeding cylinder is provided with a sliding hole, and the inner wall of the sliding hole and the inner wall of the feeding cylinder are both provided with weighing mechanisms in a fitting manner. According to the utility model, the discharging pipe, the strip-shaped hole, the driving mechanism, the circular ring, the annular groove, the toothed ring and the scraping plate are arranged, wherein when the driving motor in the driving mechanism is opened, the driving motor rotates the gear, and the scraping plate rotates in the discharging pipe through the cooperation of the gear and the toothed ring, at the moment, the raw materials in the discharging pipe cannot be clamped in the discharging pipe through the rotating scraping plate, and further, inaccurate feeding quantity caused by clamping of the raw materials in the discharging pipe during feeding is prevented.
Description
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a high-precision feeding device for an injection molding machine.
Background
At present, an injection molding machine is a main molding apparatus for molding thermoplastic or thermosetting plastic into plastic products of various shapes using a plastic molding die. The technological process includes adding granular or powder plastic into the cylinder, heating the outer wall of the cylinder to form molten state, clamping the mold and moving the injection seat forward to make the nozzle close to the sprue of the mold, introducing pressurized oil into the injection cylinder to push the screw forward, and injecting molten material into the closed mold with relatively low temperature under relatively high pressure and fast speed, maintaining the pressure for certain period of time, cooling and solidification.
At present, most of feeding devices for injection molding machines in the market are provided with weighing mechanisms in the feeding devices, so that the feeding devices have weighing capacity and can accurately control the feeding amount of the injection molding machine, for example, the feeding device of the injection molding machine disclosed in Chinese patent publication No. CN216544396U, but after weighing, the feeding device can often cause discharge interruption or insufficient discharge amount due to blocking of a discharge pipe of weighed raw materials during discharge, and further the feeding device cannot accurately control the feeding amount.
Disclosure of utility model
The utility model aims to solve the defects existing in the prior art, such as: at present, most of feeding devices for injection molding machines on the market are provided with weighing mechanisms in the feeding devices, so that the feeding devices have weighing capacity and can accurately control the feeding amount of the injection molding machine, but after weighing, the feeding devices are often blocked by a discharging pipe when discharging materials after weighing, so that the discharging is interrupted or the discharging amount is insufficient, further the feeding devices cannot accurately control the feeding amount, and the high-precision feeding device for the injection molding machine is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a high accuracy feed arrangement for injection molding machine, includes the screw feeder, the feed end fixed communication of screw feeder has the discharging pipe, the top fixed communication of discharging pipe has a reinforced section of thick bamboo, the upper surface fixed communication of reinforced section of thick bamboo has the inlet pipe, the slide hole has been seted up in the left side of reinforced section of thick bamboo, the inner wall of slide hole and the equal laminating of the inner wall of reinforced section of thick bamboo are provided with weighing machine, the right side of weighing machine and the left side of reinforced section of thick bamboo all fixed communication have electric putter, the left side fixedly connected with controller of reinforced section of thick bamboo, inlet pipe, electric putter and weighing machine all are connected with the controller electricity through the wire, the bar hole has been seted up on the right side of discharging pipe, the bottom fixedly connected with actuating mechanism of reinforced section of thick bamboo, actuating mechanism passes through the wire and is connected with the controller electricity, the surface and the inner wall contact of bar hole, the inner wall laminating of discharging pipe is provided with the ring, the ring channel has been seted up on the surface of ring channel, the inner wall fixedly connected with ring, the upper and lower both sides of inner wall and the surface contact with ring, the scraper blade of ring channel all is connected with the fixed surface of scraping plate.
Preferably, the feeding pipe comprises a first pipe body, the bottom end of the first pipe body is fixedly communicated with the upper surface of the feeding cylinder, an electromagnetic valve is fixedly communicated with the top end of the first pipe body, the electromagnetic valve is electrically connected with the controller through a wire, and a second pipe body is fixedly communicated with the top end of the electromagnetic valve.
Preferably, the weighing mechanism comprises a rectangular frame, the left side and the right side of the inner wall of the rectangular frame are fixedly connected with supporting plates, the upper surface of each supporting plate is fixedly connected with a pressure sensor, each pressure sensor is electrically connected with a controller through a wire, the upper surface of each pressure sensor is fixedly connected with a weighing plate, the upper surface of each rectangular frame and the left end of each electric push rod are fixedly connected with connecting blocks, the inner wall of each rectangular frame and the inner wall of each sliding hole are in contact with the surface of each weighing plate, and the inner wall of each sliding hole and the inner wall of each charging barrel are in contact with the surface of each rectangular frame.
Preferably, the driving mechanism comprises a driving motor, the right side of the driving motor and the bottom of the charging barrel are fixedly connected with a motor bracket, the driving motor is electrically connected with the controller through a wire, the output end of the driving motor is fixedly connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with a gear, the inner wall of the annular groove and the inner wall of the strip-shaped hole are in contact with the surface of the gear, and the gear is meshed with the toothed ring.
Preferably, the left side fixedly connected with rectangle section of thick bamboo of reinforced section of thick bamboo, the inner wall and the surface contact of rectangular frame of rectangle section of thick bamboo, the spout has been seted up on rectangle section of thick bamboo right side, the inner wall of spout, the left side of reinforced section of thick bamboo and the upper surface of weighing plate all laminate and are provided with the sealing block.
Preferably, the bottom of sealing block has seted up the recess, the inner wall fixedly connected with magnetic path of recess, the bottom of magnetic path and the upper surface contact of weighing plate.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the discharging pipe, the strip-shaped hole, the driving mechanism, the circular ring, the annular groove, the toothed ring and the scraping plate are arranged, wherein when the driving motor in the driving mechanism is opened, the driving motor rotates the gear, and the scraping plate rotates in the discharging pipe through the cooperation of the gear and the toothed ring, at the moment, the raw materials in the discharging pipe cannot be clamped in the discharging pipe through the rotating scraping plate, and further, inaccurate feeding quantity caused by clamping of the raw materials in the discharging pipe during feeding is prevented.
(2) According to the utility model, the sealing block is tightly contacted with the weighing plate by the gravity of the sealing block, and the contact surface between the sliding hole and the weighing plate is sealed by the sealing block, so that the raw materials in the charging barrel cannot leak from the sliding hole, and meanwhile, the sealing block cannot jump up and down due to vibration by the suction force of the magnetic block to the weighing plate.
Drawings
FIG. 1 is a schematic illustration of the structure of the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is an enlarged view of the utility model at B in FIG. 1;
FIG. 4 is a right side view of the tapping column of the present utility model;
FIG. 5 is a left side view of the feed cartridge of the present utility model;
FIG. 6 is a top view of the weighing mechanism of the present utility model;
FIG. 7 is a cross-sectional view taken at C-C of FIG. 6 in accordance with the present utility model;
FIG. 8 is a front view of the drive mechanism of the present utility model;
FIG. 9 is a front view of the ring of the present utility model;
FIG. 10 is a right side view of the rectangular cartridge of the present utility model;
FIG. 11 is a top view of a seal block of the present utility model.
In the figure: 1. a screw feeder; 2. a discharge pipe; 3. a charging barrel; 4. a feed pipe; 41. a first tube body; 42. an electromagnetic valve; 43. a second tube body; 5. a slide hole; 6. a weighing mechanism; 61. a rectangular frame; 62. a support plate; 63. a pressure sensor; 64. a weighing plate; 65. a connecting block; 7. an electric push rod; 8. a controller; 9. a bar-shaped hole; 10. a driving mechanism; 101. a driving motor; 102. a motor bracket; 103. a rotating shaft; 104. a gear; 11. a circular ring; 12. an annular groove; 13. a toothed ring; 14. a scraper; 15. a rectangular cylinder; 16. a chute; 17. a sealing block; 18. a groove; 19. a magnetic block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Embodiment one:
Referring to fig. 1-9, a high accuracy feed arrangement for injection molding machine, including screw feeder 1, screw feeder 1's feed end fixed intercommunication has discharging pipe 2, the top fixed intercommunication of discharging pipe 2 has a reinforced section of thick bamboo 3, with reinforced section of thick bamboo 3 and screw feeder 1 intercommunication through discharging pipe 2, the upper surface fixed intercommunication of reinforced section of thick bamboo 3 has inlet pipe 4, slide hole 5 has been seted up in the left side of reinforced section of thick bamboo 3, slide hole 5's inner wall and reinforced section of thick bamboo 3's inner wall all laminating are provided with weighing machine 6, weighing machine 6's right side and reinforced section of thick bamboo 3's left side all fixed intercommunication have electric putter 7, reinforced section of thick bamboo 3's left side fixedly connected with controller 8, inlet pipe 4, electric putter 7 and weighing machine 6 all are connected with controller 8 through the wire, bar hole 9 has been seted up on the right side of discharging pipe 2, reinforced section of thick bamboo 3's bottom fixedly connected with actuating mechanism 10, actuating mechanism 10 is connected with controller 8 electricity through the wire, the surface of actuating mechanism 10 contacts with bar hole 9's inner wall, the inner wall laminating of reinforced section of thick bamboo 2 is provided with ring 11, ring 11's surface 12 is set up to the surface 12, ring groove 12 is connected with the inner wall 13 of annular groove 12, ring 13 and the upper surface of the fixed contact with the scraping plate of the inner wall of annular groove, the both sides of scraping plate is connected with the inner wall of scraping plate 14, the fixed surface of the upper surface of ring 13 is connected with the scraping plate 14, the both sides of scraping plate is meshed with the inner wall of scraping plate 11, and is meshed with the scraping plate surface of scraping plate 13.
The inlet pipe 4 includes first body 41, and the bottom of first body 41 and the upper surface fixed intercommunication of feed cylinder 3, and the top of first body 41 is fixed to be linked together and is had solenoid valve 42, and solenoid valve 42 passes through the wire and is connected with the controller 8 electricity, and the top of solenoid valve 42 is fixed to be linked together and is had second body 43, through the intercommunication or disconnection between solenoid valve 42 control first body 41 and the second body 43.
The weighing mechanism 6 comprises a rectangular frame 61, the left side and the right side of the inner wall of the rectangular frame 61 are fixedly connected with a supporting plate 62, the upper surface of the supporting plate 62 is fixedly connected with a pressure sensor 63, the pressure sensor 63 is electrically connected with a controller 8 through a wire, the upper surface of the pressure sensor 63 is fixedly connected with a weighing plate 64, raw materials on the weighing plate 64 are weighed through the pressure sensor 63 and the weighing plate 64, the upper surface of the rectangular frame 61 and the left end of an electric push rod 7 are fixedly connected with a connecting block 65, the rectangular frame 61 is controlled to move left and right through the electric push rod 7, the inner wall of the rectangular frame 61 and the inner wall of a sliding hole 5 are in contact with the surface of the weighing plate 64, the inner wall of the sliding hole 5 and the inner wall of a feeding cylinder 3 are in contact with the surface of the rectangular frame 61, the sliding hole 5 is sealed through the rectangular frame 61 and the weighing plate 64, and when the rectangular frame 61 and the inner wall of the feeding cylinder 3 are in contact, the feeding cylinder 3 can be divided into an upper part and a lower part through the rectangular frame 61 and the weighing plate 64.
The driving mechanism 10 comprises a driving motor 101, the right side of the driving motor 101 and the bottom of the charging barrel 3 are fixedly connected with a motor bracket 102, the driving motor 101 is electrically connected with the controller 8 through a wire, the output end of the driving motor 101 is fixedly connected with a rotating shaft 103, the surface of the rotating shaft 103 is fixedly connected with a gear 104, the gear 104 is driven by the driving motor 101 to rotate, the inner wall of the annular groove 12 and the inner wall of the strip-shaped hole 9 are in contact with the surface of the gear 104, the gear 104 is meshed with the toothed ring 13, the position of the annular ring 11 in the discharging pipe 2 cannot be changed through the cooperation of the annular groove 12 and the gear 104, and when the gear 104 rotates, the annular ring 11 can rotate along with the gear 104 through the cooperation of the gear 104 and the toothed ring 13.
Embodiment two:
Referring to fig. 1-11, a rectangular cylinder 15 is fixedly connected to the left side of a charging cylinder 3, the inner wall of the rectangular cylinder 15 is in contact with the surface of a rectangular frame 61, a sliding groove 16 is formed in the right side of the rectangular cylinder 15, a sealing block 17 is arranged on the inner wall of the sliding groove 16, the left side of the charging cylinder 3 and the upper surface of a weighing plate 64 in a fitting mode, the sealing block 17 is tightly contacted with the weighing plate 64 through the gravity of the sealing block 17, the contact surface between a sliding hole 5 and the weighing plate 64 is sealed through the sealing block 17, and therefore raw materials in the charging cylinder 3 cannot leak from the sliding hole 5.
The bottom of sealing block 17 has offered recess 18, and the inner wall fixedly connected with magnetic path 19 of recess 18, the bottom of magnetic path 19 and the upper surface contact of weighing plate 64, through the suction of magnetic path 19 to weighing plate 64, make sealing block 17 can not beat from top to bottom because of the vibration.
In the utility model, when a user uses the feeding device, the discharging end of the screw feeder 1 is fixed on an injection molding machine, then raw materials enter the charging barrel 3 through the first pipe body 41 and the second pipe body 43 by opening the electromagnetic valve 42 on the feeding pipe 4 and are accumulated on the weighing plate 64, at the moment, the raw materials are weighed through the cooperation of the pressure sensor 63 and the weighing plate 64, after the raw materials reach the specified weight, the pressure sensor 63 transmits a signal to the controller 8, after receiving the signal, the controller 8 closes the electromagnetic valve 42 to enable the raw materials not to enter the charging barrel 3 any more, then the controller 8 controls the electric push rod 7 to extend, at the moment, the rectangular frame 61 is moved leftwards through the electric push rod 7, and the raw materials on the weighing plate 64 enter the screw feeder 1 through the discharging pipe 2, the raw materials are conveyed into the injection molding machine through the screw feeder 1, when the raw materials enter the screw feeder 1 through the discharging pipe 2, the driving motor 101 is turned on through the controller 8, then the gear 104 is rotated through the driving motor 101, the scraping plate 14 is rotated in the discharging pipe 2 through the cooperation of the gear 104 and the toothed ring 13, at the moment, the raw materials in the discharging pipe 2 can not be clamped in the discharging pipe 2 through the rotating scraping plate 14, after the raw materials of the weighing plate 64 are discharged, the controller 8 controls the electric pushing rod 7 to shrink, and the rectangular frame 61 is returned to the initial position through the electric pushing rod 7.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The utility model provides a high accuracy feed arrangement for injection molding machine, includes screw feeder (1), its characterized in that, screw feeder (1)'s feed end fixed intercommunication has discharging pipe (2), the top fixed intercommunication of discharging pipe (2) has reinforced section of thick bamboo (3), the last fixed surface intercommunication of reinforced section of thick bamboo (3) has inlet pipe (4), slide hole (5) have been seted up in the left side of reinforced section of thick bamboo (3), slide hole (5)'s inner wall and reinforced section of thick bamboo (3) inner wall all laminate and are provided with weighing machine (6), weighing machine (6)'s right side and reinforced section of thick bamboo (3)'s left side all fixed intercommunication have electric putter (7), reinforced section of thick bamboo (3)'s left side fixedly connected with controller (8), inlet pipe (4), electric putter (7) and weighing machine (6) all are connected with controller (8) electricity through the wire, bar hole (9) have been seted up on the right side of discharging pipe (2), the bottom fixedly connected with actuating mechanism (10) of reinforced section of thick bamboo (3), actuating mechanism (10) and bar (11) are connected with the inner wall (11) through wire (8) of annular groove (11), the inner wall fixedly connected with ring gear (13) of ring channel (12), the upper and lower both sides of ring channel (12) inner wall all with the surface contact of actuating mechanism (10), ring gear (13) and actuating mechanism (10) intermeshing, the laminating of the left and right sides of discharging pipe (2) inner wall is provided with scraper blade (14), the bottom of scraper blade (14) is connected with the upper surface fixed of ring (11).
2. The high-precision feeding device for the injection molding machine according to claim 1, wherein the feeding pipe (4) comprises a first pipe body (41), the bottom end of the first pipe body (41) is fixedly communicated with the upper surface of the feeding cylinder (3), an electromagnetic valve (42) is fixedly communicated with the top end of the first pipe body (41), the electromagnetic valve (42) is electrically connected with the controller (8) through a wire, and a second pipe body (43) is fixedly communicated with the top end of the electromagnetic valve (42).
3. The high-precision feeding device for the injection molding machine according to claim 1, wherein the weighing mechanism (6) comprises a rectangular frame (61), support plates (62) are fixedly connected to the left side and the right side of the inner wall of the rectangular frame (61), pressure sensors (63) are fixedly connected to the upper surface of the support plates (62), the pressure sensors (63) are electrically connected with a controller (8) through wires, weighing plates (64) are fixedly connected to the upper surface of the pressure sensors (63), connecting blocks (65) are fixedly connected to the upper surface of the rectangular frame (61) and the left end of an electric push rod (7), the inner wall of the rectangular frame (61) and the inner wall of a slide hole (5) are in contact with the surface of the weighing plates (64), and the inner wall of the slide hole (5) and the inner wall of a feeding cylinder (3) are in contact with the surface of the rectangular frame (61).
4. The high-precision feeding device for the injection molding machine according to claim 1, wherein the driving mechanism (10) comprises a driving motor (101), the right side of the driving motor (101) and the bottom of the charging barrel (3) are fixedly connected with a motor bracket (102), the driving motor (101) is electrically connected with the controller (8) through a wire, the output end of the driving motor (101) is fixedly connected with a rotating shaft (103), the surface of the rotating shaft (103) is fixedly connected with a gear (104), the inner wall of the annular groove (12) and the inner wall of the strip-shaped hole (9) are in contact with the surface of the gear (104), and the gear (104) is meshed with the toothed ring (13).
5. The high-precision feeding device for the injection molding machine according to claim 1, wherein a rectangular cylinder (15) is fixedly connected to the left side of the feeding cylinder (3), the inner wall of the rectangular cylinder (15) is in contact with the surface of a rectangular frame (61), a sliding groove (16) is formed in the right side of the rectangular cylinder (15), and sealing blocks (17) are respectively and tightly attached to the inner wall of the sliding groove (16), the left side of the feeding cylinder (3) and the upper surface of a weighing plate (64).
6. The high-precision feeding device for the injection molding machine according to claim 5, wherein a groove (18) is formed in the bottom of the sealing block (17), a magnetic block (19) is fixedly connected to the inner wall of the groove (18), and the bottom of the magnetic block (19) is in contact with the upper surface of the weighing plate (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322921226.2U CN220946395U (en) | 2023-10-27 | 2023-10-27 | High-precision feeding device for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322921226.2U CN220946395U (en) | 2023-10-27 | 2023-10-27 | High-precision feeding device for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220946395U true CN220946395U (en) | 2024-05-14 |
Family
ID=91006268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322921226.2U Active CN220946395U (en) | 2023-10-27 | 2023-10-27 | High-precision feeding device for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220946395U (en) |
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2023
- 2023-10-27 CN CN202322921226.2U patent/CN220946395U/en active Active
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