CN117841296B - Automatic core pulling device of mould for improving injection molding precision - Google Patents
Automatic core pulling device of mould for improving injection molding precision Download PDFInfo
- Publication number
- CN117841296B CN117841296B CN202410260167.5A CN202410260167A CN117841296B CN 117841296 B CN117841296 B CN 117841296B CN 202410260167 A CN202410260167 A CN 202410260167A CN 117841296 B CN117841296 B CN 117841296B
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- core
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- automatic
- pulling device
- material returning
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 abstract description 10
- 238000007493 shaping process Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000630 rising effect Effects 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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an automatic core pulling device of a mold for improving injection molding precision, which relates to the technical field of molds and comprises a lower mold and a first core pulling assembly, wherein a first core pulling channel is formed in the left side of the inside of the lower mold, the first core pulling assembly is arranged in the first core pulling channel, a transmission case is communicated with an oil tank through a through pipe at the bottom of the oil tank, and material returning rods are distributed at the top of a spring push plate. This promote automatic core-pulling device of mould of precision of moulding plastics can be with the linear motion of electric putter change into the inside arc motion of slide along first slide rail through the bolster for first mold core can business turn over die cavity smoothly, and can link control the trace and make it press pushing oil thereby control the lift of material returning pole when realizing that first mold core is pumped through electric putter's flexible, realizes the automatic material returning behind the shaping product from this, thereby need not to dispose the material returning structure that additionally needs the power supply, also need not artifical material returning, with this improvement efficiency.
Description
Technical Field
The invention relates to the technical field of molds, in particular to an automatic core pulling device of a mold for improving injection molding precision.
Background
In the mould field, can add the mold core in the mould die cavity for making some cavity products like pipeline shaping smoothly, and take out it can be earlier with the mold core from the product through automatic core pulling device in order to make things convenient for the product shaping back to make things convenient for the product to take out.
The existing automatic core pulling device cannot automatically lift the product to return the product when the mold core is pulled out, so that the product is still in the mold cavity to wait for being taken out, and the product is required to be additionally subjected to a material returning step by manual work or another structure.
Accordingly, in view of the above, research and improvement have been made on the conventional structure and the conventional defects, and an automatic core pulling device for a mold has been proposed for improving the injection precision.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic core pulling device of a mould for improving injection molding precision, which solves the problems in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an automatic core pulling device of mould of precision of moulding plastics is promoted, includes bed die and first core pulling assembly, first core pulling channel has been seted up in the inside left side of bed die, and the right side intercommunication of first core pulling channel has the die cavity, first core pulling assembly sets up in the inside of first core pulling channel, first core pulling assembly includes electric putter, fluid case, trace, siphunculus, transmission case, spring hold the power board, solenoid valve, headstock, spring push pedal and material returning pole, electric putter's bottom is fixed with the fluid case, and electric putter's tip bottom surface is connected with the trace, and the trace runs through to the fluid incasement portion moreover, the fluid case has the transmission case through the siphunculus intercommunication of its bottom, and the inside of transmission case is provided with spring hold the power board, the transmission case is connected with the headstock through the solenoid valve of its tip, and the inside elastic connection of headstock has the spring push pedal, the top of spring push pedal distributes there is material returning pole.
Further, the material returning rod penetrates through the lower die to the bottom of the die cavity, and the top of the material returning rod is flush with the bottom of the die cavity.
Further, the first core pulling assembly further comprises a first sliding rail, a sliding seat and a first mold core, wherein the first sliding rail is arranged on two sides of the inner portion of the first core pulling channel, and the first sliding rail is connected with the first mold core in a sliding manner through the sliding seat inside the first sliding rail.
Further, the first core pulling assembly further comprises a supporting piece, the supporting piece is connected to the left side of the sliding seat in a rotating mode, and the end portion of the supporting piece is connected with the end portion of the electric push rod in a rotating mode.
Further, the first core-pulling assembly further comprises a vibrating motor, the vibrating motor is fixed on the right side of the sliding seat, and the vibrating motor is located inside the first mold core.
Further, a second core-pulling channel is arranged on the right side of the die cavity, and a second core-pulling component is arranged in the second core-pulling channel.
Further, the second core pulling assembly comprises a second sliding rail and a thread seat, and the thread seat is fixedly arranged at the end part of the second sliding rail.
Further, the second core pulling assembly further comprises a sliding motor, a threaded rod and a second mold core, the sliding motor is connected to the inside of the second sliding rail in a sliding mode, the threaded rod is connected to the end portion of the sliding motor, and the threaded rod end is connected to the second mold core.
Further, the threaded rod penetrates through and is in threaded connection with the inside of the threaded seat, and the second sliding rail and the threaded seat are fixedly connected with the lower die.
Further, the first mold core and the second mold core are positioned in the mold cavity, and the side surface of the second mold core is attached to the side surface of the first mold core.
The invention provides an automatic core pulling device of a mold for improving injection molding precision, which has the following beneficial effects:
1. This promote automatic core-pulling device of mould of precision of moulding plastics can be with the linear motion of electric putter change into the inside arc motion of slide along first slide rail through the bolster for first mold core can business turn over die cavity smoothly, and can link control the trace and make it press pushing oil thereby control the lift of material returning pole when realizing that first mold core is pumped through electric putter's flexible, realizes the automatic material returning behind the shaping product from this, thereby need not to dispose the material returning structure that additionally needs the power supply, also need not artifical material returning, with this improvement efficiency.
2. This promote automatic core-pulling device of mould of precision of moulding plastics, the solenoid valve is closed when fluid is pushed by the pressure and makes the compression of spring hold the power board hold the power to open the solenoid valve after first mold core withdraws from the die cavity completely, then release spring hold the power board again and make the material return pole lift up in the die cavity inside and carry out the material return after first mold core leaves, thereby avoid the rising of material return pole to produce the motion conflict with the left movement of first mold core.
3. This promote automatic core-pulling device of mould of precision of moulding plastics, vibrating motor vibrates it in the inside of first mold core when the die cavity is inside annotates the material, and first mold core consequently transmits vibration force to the raw materials for the raw materials can be abundant and even distribution in the die cavity inside under the vibration effort, can improve product wall thickness degree of consistency because of vibration force after making the product shaping, thereby realizes the purpose that the precision of moulding plastics improves.
Drawings
Fig. 1 is a schematic top view structure diagram of a first core-pulling assembly and a second core-pulling assembly of an automatic core-pulling device of a mold for improving injection molding precision;
FIG. 2 is a schematic diagram showing a front cross-sectional structure of a first slide rail of an automatic core pulling device of a mold for improving injection molding precision according to the present invention;
FIG. 3 is a schematic view showing the internal structure of a first mold core of an automatic core-pulling device of a mold for improving injection molding precision;
FIG. 4 is a schematic top view of a mold cavity of an automatic core pulling device of a mold for improving injection molding precision;
fig. 5 is a schematic diagram of a side view internal structure of a transmission case of an automatic core pulling device of a mold for improving injection molding precision.
In the figure: 1. a lower die; 2. a first core-pulling channel; 3. a mold cavity; 4. a first core-pulling assembly; 401. an electric push rod; 402. an oil tank; 403. a linkage rod; 404. a through pipe; 405. a transmission case; 406. a spring force-accumulating plate; 407. an electromagnetic valve; 408. a power box; 409. a spring push plate; 410. a material returning rod; 411. a first slide rail; 412. a slide; 413. a first mold core; 414. a receiving member; 415. a vibration motor; 5. a second core-pulling channel; 6. a second core-pulling assembly; 601. a second slide rail; 602. a screw seat; 603. a slide motor; 604. a threaded rod; 605. and a second mold core.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 and fig. 4-5, the invention provides the technical scheme that: the automatic core pulling device of the mold for improving injection molding precision comprises a lower mold 1 and a first core pulling component 4, wherein a first core pulling channel 2 is formed in the left side of the inside of the lower mold 1, a mold cavity 3 is communicated with the right side of the first core pulling channel 2, the first core pulling component 4 is arranged in the first core pulling channel 2, the first core pulling component 4 comprises an electric push rod 401, an oil box 402, a linkage rod 403, a through pipe 404, a transmission box 405, a spring force accumulating plate 406, an electromagnetic valve 407, a power box 408, a spring push plate 409 and a material returning rod 410, the bottom of the electric push rod 401 is fixed with the oil box 402, the bottom surface of the end part of the electric push rod 401 is connected with the linkage rod 403, the linkage rod 403 penetrates into the oil box 402, the oil box 402 is communicated with the transmission box 405 through the through pipe 404 at the bottom of the oil box, the transmission box 405 is internally provided with the spring force plate 406, the transmission box 405 is connected with the power box 408 through the electromagnetic valve 407 at the end part of the power box 408, the inside of the power box 408 is elastically connected with the spring push plate 409, the top of the spring push plate 409 is distributed with the material returning rod 410, the material returning rod 410 penetrates through the bottom of the lower mold 1 to the bottom of the mold 3, and the material returning rod 410 is flush with the bottom of the mold cavity 3;
The method specifically comprises the following steps that the electric push rod 401 stretches and contracts to pump the first mold core 413, when the first mold core 413 is pulled out, the electric push rod 401 is contracted, at the moment, the linkage rod 403 is inserted into the oil tank 402, so that oil in the linkage rod 403 enters the transmission tank 405 along the through pipe 404, the electromagnetic valve 407 keeps closed, the spring force accumulating plate 406 contracts under the thrust of oil on the left side to accumulate force, after the electric push rod 401 is completely contracted, the first mold core 413 is withdrawn from the mold cavity 3, at the moment, the electromagnetic valve 407 is opened again, so that the spring force accumulating plate 406 stretches to the right side under the thrust of oil on the left side to push the oil on the right side to enter the power tank 408, the oil is compressed, the spring push plate 409 is compressed, so that the material returning rod 410 lifts up from the bottom of the mold cavity 3 to withdraw a molded product from the inside of the mold cavity 3, and when the electric push rod 401 stretches out, at the moment, the oil integrally flows leftwards, the spring push plate 409 is reset after losing the pressure, so that the material returning rod 410 descends to reset, and the first mold core 413 is prevented from entering the inside the mold cavity 3;
Based on the above description, the lifting of the material returning rod 410 can be controlled in a linkage manner while the first mold core 413 is drawn by the expansion and contraction of the electric push rod 401, so that the automatic material returning of the molded product is realized, no additional material returning structure requiring a power source is required, and no manual material returning is required, thereby improving the efficiency.
As shown in fig. 1-2 and 4, the first core-pulling assembly 4 further includes a first slide rail 411, a slide seat 412 and a first mold core 413, wherein the first slide rail 411 is disposed on two sides of the interior of the first core-pulling channel 2, the first slide rail 411 is slidably connected with the first mold core 413 through the slide seat 412 in the interior of the first slide rail, the first core-pulling assembly 4 further includes a receiving piece 414, the receiving piece 414 is rotatably connected to the left side of the slide seat 412, and an end of the receiving piece 414 is rotatably connected to an end of the electric push rod 401;
the specific operation is as follows, when the electric push rod 401 stretches out, the sliding seat 412 is pushed to carry the first mold core 413 to slide along the inside of the first sliding rail 411, wherein the linear motion of the electric push rod 401 can be converted into the arc motion of the sliding seat 412 along the inside of the first sliding rail 411 through the bearing piece 414, so that the first mold core 413 enters the mold cavity 3 from the first core-pulling channel 2, and after the electric push rod 401 stretches out completely, the sliding seat 412 is matched with the left side of the mold cavity 3 to seal the mold cavity 3, and raw materials are prevented from flowing into the first core-pulling channel 2 after entering the mold cavity 3.
As shown in fig. 3, the first core-pulling assembly 4 further includes a vibration motor 415, the vibration motor 415 is fixed on the right side of the sliding seat 412, and the vibration motor 415 is located inside the first mold core 413;
The method specifically comprises the following steps that after the first mold core 413 and the second mold core 605 enter the mold cavity 3, the upper mold is pressed onto the surface of the lower mold 1, then the material is injected into the mold cavity 3, the vibrating motor 415 vibrates the first mold core 413, the vibrating force is transmitted to the raw materials by the first mold core 413, the raw materials can be fully and uniformly distributed in the mold cavity 3 under the vibrating force, the raw materials are molded under the cooperation of the first mold core 413 and the second mold core 605, the uniformity of the wall thickness of a product can be improved due to the vibrating force after the raw materials are molded, the aim of improving the injection molding precision is achieved, the first mold core 413 and the product can be conveniently separated through the vibrating force when the first mold core 413 leaves the mold cavity 3 due to the shrinkage of the electric push rod 401, and the second mold core 605 can also achieve the functions by arranging the vibrating motor 415 in the first mold core 413.
As shown in fig. 1 and 3, a second core-pulling channel 5 is arranged on the right side of a mold cavity 3, a second core-pulling assembly 6 is arranged in the second core-pulling channel 5, the second core-pulling assembly 6 comprises a second sliding rail 601 and a threaded seat 602, a threaded seat 602 is fixedly arranged at the end part of the second sliding rail 601, the second core-pulling assembly 6 further comprises a sliding motor 603, a threaded rod 604 and a second mold core 605, the sliding motor 603 is slidingly connected with the interior of the second sliding rail 601, the threaded rod 604 is connected with the threaded rod 604, the threaded rod 604 penetrates through and is in threaded connection with the interior of the threaded seat 602, the second sliding rail 601 and the threaded seat 602 are fixedly connected with the lower mold 1, the first mold core 413 and the second mold core 605 are positioned in the mold cavity 3, and the side surface of the second mold core 605 is attached to the side surface of the first mold core 413;
The specific operation is as follows, when the material needs to be injected into the die cavity 3, the sliding motor 603 is started together with the extension of the electric push rod 401, so that the threaded rod 604 is driven to rotate, the threaded rod 604 is driven along the inside of the threaded seat 602, the sliding motor 603 slides along the inside of the second sliding rail 601, the second die core 605 enters the die cavity 3 along the second core-pulling channel 5 until the side surface of the second die core 605 is attached to the side surface of the first die core 413, and then the die assembly and the material injection operation are performed.
To sum up, as shown in fig. 1 to 5, when the automatic core pulling device for a mold with improved injection molding precision is used, firstly, when the injection molding is required to be performed to the inside of the mold cavity 3, the sliding motor 603 is started together with the extension of the electric push rod 401, so as to drive the threaded rod 604 to rotate, so that the threaded rod 604 drives along the inside of the threaded seat 602 to enable the sliding motor 603 to slide along the inside of the second sliding rail 601, and the second mold core 605 enters the inside of the mold cavity 3 along the second core pulling channel 5, and at this time, the right side of the mold cavity 3 is closed;
when the electric push rod 401 stretches out, the sliding seat 412 is pushed to carry the first mold core 413 to slide along the inside of the first sliding rail 411, wherein the linear motion of the electric push rod 401 can be converted into arc motion of the sliding seat 412 along the inside of the first sliding rail 411 through the bearing piece 414, so that the first mold core 413 enters the mold cavity 3 from the first core-pulling channel 2, and after the electric push rod 401 stretches out completely, the sliding seat 412 is matched with the left side of the mold cavity 3 to seal the mold cavity 3, so that raw materials are prevented from flowing into the first core-pulling channel 2 after entering the mold cavity 3;
After the side surface of the second mold core 605 is attached to the side surface of the first mold core 413, the first mold core 413 and the second mold core 605 enter the mold cavity 3, then the upper mold is pressed onto the surface of the lower mold 1, and then the material is injected into the mold cavity 3, and during material injection, the vibrating motor 415 vibrates the first mold core 413, so that the first mold core 413 transmits vibrating force to the raw material, the raw material can be fully and uniformly distributed in the mold cavity 3 under the vibrating force, the raw material can be molded under the cooperation of the first mold core 413 and the second mold core 605, and after molding, the wall thickness uniformity of a product can be improved due to the vibrating force, so that the aim of improving the injection molding precision is fulfilled;
After the product is molded, the upper die is separated, the electric push rod 401 is contracted when the first die core 413 is pulled out, at the moment, the linkage rod 403 is inserted into the oil tank 402, so that oil in the linkage rod 403 enters the transmission tank 405 along the through pipe 404, the electromagnetic valve 407 is kept closed, the spring force accumulating plate 406 is contracted under the thrust of left oil to accumulate force, after the electric push rod 401 is completely contracted, the first die core 413 is withdrawn from the die cavity 3, at the moment, the electromagnetic valve 407 is opened, the spring force accumulating plate 406 is stretched to the right side under the thrust of left oil to push the right side oil to enter the power tank 408, the oil is compressed, and the material returning rod 410 is lifted from the bottom of the die cavity 3, so that the molded product is withdrawn from the die cavity 3.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides an automatic core pulling device of mould of precision of moulding plastics is promoted, includes bed die (1) and first loose core subassembly (4), its characterized in that: the inside left side of bed die (1) has seted up first passageway (2) of loosing core, and the right side intercommunication of first passageway (2) of loosing core has die cavity (3), first loose core subassembly (4) set up in the inside of first passageway (2) of loosing core, first loose core subassembly (4) are including electric putter (401), fluid case (402), trace (403), siphunculus (404), transmission case (405), spring holds power board (406), solenoid valve (407), headstock (408), spring push pedal (409) and material returning pole (410), the bottom of electric putter (401) is fixed with fluid case (402), and the tip bottom surface of electric putter (401) is connected with trace (403), and trace (403) run through to inside fluid case (402), siphunculus (404) of fluid case (402) through its bottom are linked together have transmission case (405), and the inside of transmission case (405) is provided with spring holds power board (406), transmission case (405) are connected with headstock (408) through solenoid valve (407) of its tip, and inside headstock (408), spring (409) are connected with spring (409) and material returning pole (410), the inside distribution (411) that has spring (411) have a slide rail (409) to distribute, material returning (410) still including top, slide (412) and first mold core (413), the inside both sides of first passageway of loosing core (2) are provided with first slide rail (411), and first slide rail (411) have first mold core (413) through its inside slide (412) sliding connection, first loose core subassembly (4) still include receiver (414), the left side rotation of slide (412) is connected with receiver (414), and the tip of receiver (414) rotates with the tip of electric putter (401) to be connected, first loose core subassembly (4) still include vibrating motor (415), the right side of slide (412) is fixed with vibrating motor (415), and vibrating motor (415) are located first mold core (413) inside, return pole (410) run through bed die (1) and to mold cavity (3) bottom, and return pole (410) top flushes with mold cavity (3) bottom.
2. The automatic core pulling device for the mold for improving injection molding precision according to claim 1, wherein the automatic core pulling device is characterized in that: the right side of the die cavity (3) is provided with a second core-pulling channel (5), and the second core-pulling component (6) is arranged in the second core-pulling channel (5).
3. The automatic core pulling device for the mold for improving injection molding precision according to claim 2, wherein: the second core pulling assembly (6) comprises a second sliding rail (601) and a thread seat (602), and the thread seat (602) is fixedly arranged at the end part of the second sliding rail (601).
4. The automatic core pulling device for a mold for improving injection molding precision according to claim 3, wherein: the second core pulling assembly (6) further comprises a sliding motor (603), a threaded rod (604) and a second mold core (605), the sliding motor (603) is connected inside the second sliding rail (601) in a sliding mode, the threaded rod (604) is connected to the end portion of the sliding motor (603), and the second mold core (605) is connected to the end of the threaded rod (604).
5. The automatic core pulling device for the mold for improving injection molding precision according to claim 4, wherein: the threaded rod (604) penetrates through the threaded seat (602), and is in threaded connection with the inside of the threaded seat (602), and the second sliding rail (601) and the threaded seat (602) are fixedly connected with the lower die (1).
6. The automatic core pulling device for the mold for improving injection molding precision according to claim 5, wherein: the first mold core (413) and the second mold core (605) are positioned in the mold cavity (3), and the side surface of the second mold core (605) is attached to the side surface of the first mold core (413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410260167.5A CN117841296B (en) | 2024-03-07 | 2024-03-07 | Automatic core pulling device of mould for improving injection molding precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410260167.5A CN117841296B (en) | 2024-03-07 | 2024-03-07 | Automatic core pulling device of mould for improving injection molding precision |
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| Publication Number | Publication Date |
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| CN117841296A CN117841296A (en) | 2024-04-09 |
| CN117841296B true CN117841296B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410260167.5A Active CN117841296B (en) | 2024-03-07 | 2024-03-07 | Automatic core pulling device of mould for improving injection molding precision |
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| CN106827421A (en) * | 2017-03-20 | 2017-06-13 | 温州市文泰笔业有限公司 | Injection moulding apparatus are additional except useless mechanism |
| CN210501144U (en) * | 2019-12-30 | 2020-05-12 | 无锡华控赛思节能技术有限公司 | High-efficient linkage device of injection molding machine |
| CN211807586U (en) * | 2019-12-26 | 2020-10-30 | 骏越科技（深圳）有限公司 | Arc-shaped core-pulling mechanism and die thereof |
| CN214448227U (en) * | 2021-03-23 | 2021-10-22 | 杨泽雨 | Water cup processing and forming equipment |
| CN113828753A (en) * | 2021-09-03 | 2021-12-24 | 精诚工科汽车零部件(扬中)有限公司 | Stable mold structure beneficial to core pulling for machining engine cylinder |
| CN219505350U (en) * | 2023-03-08 | 2023-08-11 | 泉州市益精模具研发有限公司 | Core pulling device of pipe bending die |
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2024
- 2024-03-07 CN CN202410260167.5A patent/CN117841296B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827421A (en) * | 2017-03-20 | 2017-06-13 | 温州市文泰笔业有限公司 | Injection moulding apparatus are additional except useless mechanism |
| CN211807586U (en) * | 2019-12-26 | 2020-10-30 | 骏越科技（深圳）有限公司 | Arc-shaped core-pulling mechanism and die thereof |
| CN210501144U (en) * | 2019-12-30 | 2020-05-12 | 无锡华控赛思节能技术有限公司 | High-efficient linkage device of injection molding machine |
| CN214448227U (en) * | 2021-03-23 | 2021-10-22 | 杨泽雨 | Water cup processing and forming equipment |
| CN113828753A (en) * | 2021-09-03 | 2021-12-24 | 精诚工科汽车零部件(扬中)有限公司 | Stable mold structure beneficial to core pulling for machining engine cylinder |
| CN219505350U (en) * | 2023-03-08 | 2023-08-11 | 泉州市益精模具研发有限公司 | Core pulling device of pipe bending die |
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|---|---|
| CN117841296A (en) | 2024-04-09 |
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