CN117087095A - Weighing device for PEEK part injection molding - Google Patents
Weighing device for PEEK part injection molding Download PDFInfo
- Publication number
- CN117087095A CN117087095A CN202311346963.2A CN202311346963A CN117087095A CN 117087095 A CN117087095 A CN 117087095A CN 202311346963 A CN202311346963 A CN 202311346963A CN 117087095 A CN117087095 A CN 117087095A
- Authority
- CN
- China
- Prior art keywords
- injection molding
- fixed
- hopper
- weighing device
- motor
- 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.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 31
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical group OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000005303 weighing Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 description 33
- 239000000463 material Substances 0.000 description 17
- 239000004033 plastic Substances 0.000 description 11
- 229920003023 plastic Polymers 0.000 description 11
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229920002530 polyetherether ketone Polymers 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/7613—Weight
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a weighing device for injection molding of PEEK parts, which is applied to the technical field of injection molding machines and comprises a machine body and a hopper, and is characterized in that: the invention relates to a feeding hopper, which is characterized in that a feeding pipe is fixedly connected to the bottom of the feeding hopper and is communicated with the feeding hopper and a machine body, the feeding pipe is connected with a butterfly valve body, the butterfly valve body is positioned at the middle position of the feeding hopper, a valve shaft penetrates through the butterfly valve body, the valve shaft is fixedly connected with a butterfly plate, the other end of the valve shaft is fixedly provided with a motor, the motor is welded on a bracket outside the machine body, two groups of second vibrators are fixedly arranged on the feeding pipe, and the second vibrators are positioned at the middle positions of the butterfly valve body and a charging barrel.
Description
Technical Field
The invention belongs to the technical field of injection molding machines, and particularly relates to a weighing device for injection molding of PEEK parts.
Background
Injection molding machines are also known as injection molding machines or injection molding machines. It is a main forming equipment for making thermoplastic plastics or thermosetting plastics into various shaped plastic products by using plastic forming mould. The device is divided into vertical type, horizontal type and full-electric type. The injection molding machine heats the plastic, applies high pressure to the molten plastic, and injects the molten plastic to fill the mold cavity.
With the development of industry, the industry has higher and higher requirements on plastics, general materials cannot meet the requirements of customers, and PEEK materials are increasingly heavy in the plastics industry. Compared with the prior art, the modified material is added with additives such as auxiliary agents, fillers and the like, the system is complex, the flow behavior of the modified material is inevitably different from that of the raw materials during blanking, the flow condition is unstable, and the blanking can not be performed, so that the raw materials in the charging bucket are jammed, and the problem to be solved by the technical staff in the prior art is solved because the raw materials for weighing injection molding materials are still deficient in the market.
Disclosure of Invention
The invention aims to solve the problems in the background technology by aiming at the weighing device for PEEK part injection molding of the existing material collecting device.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a weighing device for PEEK part injection molding, includes fuselage and hopper, hopper bottom fixedly connected with conveying pipeline, conveying pipeline intercommunication hopper and fuselage, the conveying pipeline is connected with the butterfly valve body, the butterfly valve body is located conveying pipeline intermediate position, the butterfly valve body runs through there is the valve shaft, valve shaft fixedly connected with butterfly plate, the other end fixed mounting of valve shaft has the motor, the motor welds on the outside support of fuselage, two sets of second vibrators of fixed mounting on the conveying pipeline, the second vibrator is located butterfly valve body and feed cylinder intermediate position.
The invention further discloses that the periphery of the butterfly plate is provided with a sealing ring.
The invention further discloses that the material conveying pipe is communicated with the hopper and the machine body, and the other end of the material conveying pipe is communicated with the material.
The invention further discloses that the bottom of the inner wall of the hopper is fixedly provided with two groups of pressure sensors and two groups of first vibrators, and the two groups of pressure sensors and the two groups of first vibrators are in a cross-shaped layout.
According to the invention, one end of the charging barrel is provided with an injection port, the outer wall of the charging barrel is fixedly provided with a heater, and the inner wall of the charging barrel is provided with a stop valve.
The invention further discloses that the screw is arranged in the charging barrel, the supporting block is arranged in the machine body, the supporting rod is fixed on the right side of the screw, the motor is fixed at one end of the supporting rod, the supporting rod is connected with the supporting block through a bearing, and the motor is positioned in the machine body.
According to the invention, the middle position of the machine body is fixedly provided with the fixed template, the fixed template is provided with the injection molding opening, the fixed template is fixedly connected with the pull rod, the pull rod is connected with the movable template in a sliding manner, the movable template penetrates through the pull rod, the pull rod is internally provided with the mold locking mechanism, and one end of the mold locking mechanism is fixedly provided with the air cylinder, and the other end of the mold locking mechanism is fixedly connected with the movable template.
The invention further provides that the motor, the heater, the air cylinder, the camera, the pressure sensor, the first vibrator, the second vibrator, the motor and the control center are electrically connected.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the weight change of raw materials in the hopper can be detected through the pressure sensor, when congestion occurs, the motor is started to enable the butterfly plate to swing, so that the raw materials can fall down, the simple congestion problem is solved, the first vibrator and the second vibrator are started, the raw materials accumulated at the bottom of the hopper and the raw materials blocked in the conveying pipe are discharged through shaking, and the serious congestion problem can be solved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a hopper of the present invention;
FIG. 4 is a schematic top view of the hopper of the present invention;
FIG. 5 is a schematic view of the bottom surface of the hopper of the present invention;
FIG. 6 is a butterfly valve open schematic of the invention;
in the figure: 1. a body; 2. a hopper; 3. a motor; 4. a charging barrel; 5. a heater; 6. a screw; 7. a stop valve; 8. fixing the template; 9. a pull rod; 10. moving the template; 11. a mold locking mechanism; 12. an ejection port; 13. an injection molding port; 14. a cylinder; 15. a control center; 16. a camera; 17. a pressure sensor; 18. a first vibrator; 19. a second vibrator; 20. a butterfly plate; 21. a butterfly valve body; 22. a valve shaft; 23. a material conveying pipe; 24. and a motor.
Detailed Description
The technical scheme of the present invention is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the weighing device for injection molding of PEEK parts comprises a machine body 1 and a hopper 2, wherein a conveying pipe 23 is fixedly connected to the bottom of the hopper 2, the conveying pipe 23 is communicated with the hopper 2 and the machine body 1, the other end of the conveying pipe 23 is communicated with a charging barrel 4, the charging barrel 4 is positioned in the left side of the machine body 1, a camera 16 is fixed at the bottom of the conveying pipe 23, which is close to the charging barrel 4, two groups of pressure sensors 17 and two groups of first vibrators 18 are fixedly arranged at the bottom of the inner wall of the hopper 2, and the two groups of pressure sensors 17 and the two groups of first vibrators 18 are in a cross-shaped layout;
the conveying pipe 23 is connected with a butterfly valve body 21, the butterfly valve body 21 is positioned in the middle of the conveying pipe 23, a valve shaft 22 penetrates through the butterfly valve body 21, the valve shaft 22 is fixedly connected with a butterfly plate 20, a sealing ring is arranged on the periphery of the butterfly plate 20, the tightness between the butterfly plate 20 and the butterfly valve body 21 is improved when the butterfly plate 20 is closed, a motor 24 is fixedly arranged at the other end of the valve shaft 22, the motor 24 is welded on a support outside the machine body 1, two groups of second vibrators 19 are fixedly arranged on the conveying pipe 23, the second vibrators 19 are positioned in the middle of the butterfly valve body 21 and the charging barrel 4, and the butterfly valve body 21 can control raw materials to enter the conveying pipe 23;
an injection port 12 is formed in one end of the charging barrel 4, a heater 5 is fixed on the outer wall of the charging barrel 4, the heater 5 can generate high temperature to melt raw materials, and a stop valve 7 is arranged on the inner wall of the charging barrel 4 to prevent the injected melt from flowing backwards;
the inside of the charging barrel 4 is provided with a screw rod 6, the inside of the machine body 1 is provided with a supporting block, the right side of the screw rod 6 is fixed with a supporting rod, one end of the supporting rod is fixed with a motor 3, the supporting rod is in bearing connection with the supporting block, the motor 3 is positioned in the machine body 1, friction and mutual movement are generated between plastics when the screw rod 6 rotates, and heat generated by friction is absorbed to improve the temperature of the plastics and melt the plastics;
the middle position of the machine body 1 is fixed with a fixed template 8, an injection molding opening 13 is formed in the fixed template 8, a pull rod 9 is fixedly connected to the fixed template 8, a movable template 10 is slidably connected to the pull rod 9, the movable template 10 penetrates through the pull rod 9, a mold locking mechanism 11 is arranged in the pull rod 9, one end of the mold locking mechanism 11 is fixedly provided with an air cylinder 14, and the other end of the mold locking mechanism 11 is fixedly connected with the movable template 10;
the motor 3, the heater 5, the cylinder 14, the camera 16, the pressure sensor 17, the first vibrator 18, the second vibrator 19, the motor 24 and the control center 15 are electrically connected.
Embodiment one: in the present embodiment, the working principle of the injection molding machine is included
Wherein, the initial state of the butterfly plate 20 is transverse, and the weight value of the raw material filling in the hopper 2 is set as a in the control center 15, and the value is set as b when the raw material is needed to be fed;
the PEEK raw material is put into the hopper 2, the weight in the hopper 2 is detected through the pressure sensor 17, when the weight reaches a, the raw material is full, the motor 24 is started at the moment, the butterfly valve body 21 is rotated by 90 degrees from a transverse closed state to a vertical open state, the raw material can flow out into the charging barrel 4, the time required for the raw material from a to b is set to be t, t is a constant value, and after the time t is reached, the control center 15 automatically controls the butterfly valve body 21 to be closed, so that the raw material cannot continuously flow into the conveying pipe 23. At the moment, the pressure sensor 17 starts to measure the weight value of the raw materials around the bottom of the hopper 2 as c, data are transmitted to the control center 15, and when the weight c of the pressure sensor 17 is equal to b, the motor 24 is started to enable the butterfly plate 20 to be changed from a vertical opening state to a horizontal closing state to continue filling;
starting motor 3, heater 5, PEEK raw and other materials fall to the rear portion of feed cylinder 4 from hopper 2, motor 3 drives screw rod 6 at the uniform velocity rotatory and with heater 5 cooperation, make the melt adhesive temperature also become even, drive raw and other materials from back to forward step by step through the rotation of screw rod 6 and become the melt of moulding plastics, start cylinder 14, promote mode locking mechanism 11 and close movable mould board 10 and fixed mould board 8, make injection port 12 and injection port 13 butt joint, the melt is from in the feed cylinder 4 through screw rod 6 injection to movable mould board 10 and fixed mould board 8 in, the cooling forms the work piece, accomplish the injection molding.
Embodiment two: in the embodiment, the raw materials in the hopper 2 cause a jam during discharging
Specifically, when the time t is reached, the butterfly valve body 21 is closed, and when the measured weight value c is greater than the set weight value b, the phenomenon that the hopper 2 is jammed during discharging is indicated, and the following steps are performed to solve the jam:
q1: when the measured weight value c is larger than the set weight value b, rotating the closed butterfly plate 20 by 90 degrees, changing the transverse direction into the longitudinal direction, setting the rotation angle of the butterfly plate 20 to be 15 degrees in the forward direction and 15 degrees in the reverse direction, enabling the butterfly plate 20 to swing at a uniform speed, observing the blanking condition in the conveying pipe 23 when the butterfly plate 20 swings through the camera 16, if the raw material falls in the conveying pipe 23 and c is gradually close to b, indicating that the raw material in the conveying pipe 23 is influenced by the congestion phenomenon, loosening the raw material in the conveying pipe 23 through the swing of the butterfly plate 20, namely, the congestion phenomenon can be treated, until c=b, indicating that the problem is solved, rotating the butterfly plate 20 by 90 degrees, changing the longitudinal direction into the transverse direction, feeding into the hopper 2, and continuing normal injection molding;
q2: when the measured weight value c is greater than the set weight value b and the butterfly plate 20 swings, the camera 16 finds that no raw material falls in the pipe and the weight value c has no change, so that raw material accumulation occurs in the hopper 2 to generate congestion, and a pipeline is not congested, at the moment, the first vibrator 18 is started, the raw material accumulated at the bottom of the hopper 2 is vibrated to enable the raw material to shake into the conveying pipe 23, the raw material falls in the conveying pipe 23 are observed from the camera 16 until c=b, the problem is solved, the butterfly plate 20 can be rotated by 90 degrees, the longitudinal direction is changed into the transverse direction, the raw material is fed into the hopper 2, and normal injection molding is continued;
when the first vibrator 18 is started, and the weight value c is reduced, but the camera 16 observes that no raw material in the conveying pipe 23 still falls, so that the pipeline is seriously jammed, the fallen material is blocked, the second vibrator 19 on the conveying pipe 23 is started, the inner wall of the conveying pipe 23 vibrates, the raw material shakes and falls, and the conveying pipe 23 is unobstructed;
q3: when the measured weight value c is larger than the set weight value b and the butterfly plate 20 swings, the camera 16 is used for observing the discharging condition in the conveying pipe 23, the fact that no raw material in the pipe falls is found, and c has no change, the congestion in the pipeline is serious, meanwhile, the first vibrator 18 and the second vibrator 19 are started, the conveying pipe 23 and the hopper 2 vibrate at the same time, the raw material in the conveying pipe 23 flows smoothly, until c=b, the problem is solved, the butterfly plate 20 can be rotated by 90 degrees, the longitudinal direction is changed into the transverse direction, the raw material is fed into the hopper 2, and normal injection molding is continued;
the weighing device measures the weight of the raw materials around the bottom of the hopper 2 through the pressure sensor 17, transmits signals to the control center, displays data through the control center, and can effectively judge what problems occur in the material conveying process, so that workers can intuitively find whether the material clamping phenomenon exists in the hopper 2 and the material conveying pipe 23, and adopt different devices according to the jammed position to solve the problem, so that the injection molding machine works normally, the jammed condition can be judged quickly, the problem is solved, and a lot of labor checking and maintaining cost is saved;
it should be noted that:
when the material in the hopper 2 is less than or equal to b, the butterfly plate 20 is automatically closed, and the material can be fed, and the state is normal.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a weighing device for PEEK part injection molding, includes fuselage (1) and hopper (2) its characterized in that: hopper (2) bottom fixedly connected with conveying pipeline (23), conveying pipeline (23) intercommunication hopper (2) and fuselage (1), conveying pipeline (23) are connected with butterfly valve body (21), butterfly valve body (21) are located conveying pipeline (23) intermediate position, butterfly valve body (21) are run through there is valve shaft (22), valve shaft (22) fixedly connected with butterfly plate (20), the other end fixed mounting of valve shaft (22) has motor (24), motor (24) weld on the outside support of fuselage (1), two sets of second vibrators (19) of fixed mounting on conveying pipeline (23), second vibrators (19) are located butterfly valve body (21) and feed cylinder (4) intermediate position.
2. The weighing device for injection molding of PEEK parts according to claim 1, wherein: and a sealing ring is arranged at the periphery of the butterfly plate (20).
3. The weighing device for injection molding of PEEK parts according to claim 2, wherein: the feeding pipe (23) is communicated with the hopper (2) and the machine body (1), the other end of the feeding pipe (23) is communicated with the charging barrel (4), the charging barrel (4) is positioned inside the left side of the machine body (1), and a camera (16) is fixed at the bottom of the feeding pipe (23) close to the charging barrel (4).
4. A weighing device for injection molding of PEEK parts according to claim 3, characterized in that: two groups of pressure sensors (17) and two groups of first vibrators (18) are fixedly arranged at the bottom of the inner wall of the hopper (2), and the two groups of pressure sensors (17) and the two groups of first vibrators (18) are in a cross-shaped layout.
5. The weighing device for injection molding of PEEK parts according to claim 4, wherein: jet-out mouth (12) have been seted up to feed cylinder (4) one end, be fixed with heater (5) on the outer wall of feed cylinder (4), the inner wall of feed cylinder (4) is provided with stop valve (7).
6. The weighing device for injection molding of PEEK parts according to claim 5, wherein: the novel charging device is characterized in that a screw rod (6) is arranged inside the charging barrel (4), a supporting block is arranged inside the machine body (1), a supporting rod is fixed on the right side of the screw rod (6), a motor (3) is fixed at one end of the supporting rod, the supporting rod is connected with the supporting block through a bearing, and the motor (3) is located inside the machine body (1).
7. The weighing device for injection molding of PEEK parts according to claim 6, wherein: the utility model discloses a machine body, including fuselage (1), fixed bolster (8) intermediate position is fixed with fixed bolster (8), fixed bolster (8) are last to have seted up and have moulded plastics mouth (13), fixedly connected with pull rod (9) on fixed bolster, sliding connection has movable bolster (10) on pull rod (9), movable bolster (10) run through in pull rod (9), be provided with mode locking mechanism (11) in pull rod (9), mode locking mechanism (11) one end is fixed with cylinder (14) other end and movable bolster (10) are fixed.
8. The weighing device for injection molding of PEEK parts according to claim 7, wherein: the motor (3), the heater (5), the air cylinder (14), the camera (16), the pressure sensor (17), the first vibrator (18), the second vibrator (19), the motor (24) and the control center (15) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311346963.2A CN117087095A (en) | 2023-10-18 | 2023-10-18 | Weighing device for PEEK part injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311346963.2A CN117087095A (en) | 2023-10-18 | 2023-10-18 | Weighing device for PEEK part injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117087095A true CN117087095A (en) | 2023-11-21 |
Family
ID=88781434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311346963.2A Pending CN117087095A (en) | 2023-10-18 | 2023-10-18 | Weighing device for PEEK part injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117087095A (en) |
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2023
- 2023-10-18 CN CN202311346963.2A patent/CN117087095A/en active Pending
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| CN209903570U (en) * | 2019-04-04 | 2020-01-07 | 山西辰润交通科技有限公司 | Concrete powder metering system |
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| Title |
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| 李复兴，李希沛主编: "《小城镇污水处理厂设计与运行管理指南》", 青岛海洋大学出版社, pages: 956 - 958 * |
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