CN111319186A - Backlash compensation device, multi-component injection molding machine and injection molding product production line - Google Patents
Backlash compensation device, multi-component injection molding machine and injection molding product production line Download PDFInfo
- Publication number
- CN111319186A CN111319186A CN202010211370.5A CN202010211370A CN111319186A CN 111319186 A CN111319186 A CN 111319186A CN 202010211370 A CN202010211370 A CN 202010211370A CN 111319186 A CN111319186 A CN 111319186A
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- China
- Prior art keywords
- gear
- backlash compensation
- compensation device
- mounting groove
- injection molding
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- 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.)
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Classifications
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- 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
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H55/18—Special devices for taking up backlash
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- 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
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1792—Machine parts driven by an electric motor, e.g. electric servomotor
Abstract
The invention is suitable for the technical field of machinery, and provides a backlash compensation device, a multi-component injection molding machine and an injection molding product production line, wherein the backlash compensation device comprises: the center of one side end face of the first gear is provided with a first mounting groove which is of a circular or annular structure; a second mounting groove is formed in the center of one side end face of the second gear, the second mounting groove is of a circular or annular structure, the first gear and the second gear are coaxially arranged, and the first mounting groove and the second mounting groove are oppositely arranged; and the torsion spring is coaxially arranged in the first mounting groove and the second mounting groove. According to the scheme, the first gear and the second gear are coaxially arranged, and the torsion spring is arranged between the two gears, so that the torsion spring with potential energy can push the first gear and the second gear to relatively rotate, and one tooth surface of the first gear and one tooth surface of the second gear are respectively in contact with two side tooth surfaces of a tooth socket meshed with the first gear and the second gear, so that automatic compensation of tooth gaps is realized.
Description
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to a backlash compensation device, a multi-component injection molding machine and an injection molding product production line.
Background
Injection molding is a method for producing and molding industrial products, wherein the products are generally formed by rubber injection molding and plastic injection molding, such as plastic cups, trash cans and the like which are common in daily life, and a multi-component injection molding method is developed according to the requirements of the products, namely two or more raw materials are simultaneously injected into a mold cavity.
At present, a multi-component injection molding machine generally comprises two or more sets of dies, wherein a movable die of the die is fixed on a turntable of a movable die plate, and the movable die is matched with a fixed die to realize multi-component injection by rotating the turntable to different angles; the angle information feedback of the turntable is transmitted to an encoder in the driving motor through a plurality of mechanisms such as gear transmission, a speed reducer and the like, so that the information fed back has errors every time due to various factors such as fit clearance among the mechanisms, assembly deviation, part machining errors and the like.
Therefore, the prior art can not solve the problem that the control precision of the existing multi-component injection molding machine on the rotation angle of the turntable is low.
Disclosure of Invention
The invention aims to provide a backlash compensation device, and aims to solve the technical problem that the control precision of the existing multi-component injection molding machine on the rotating angle of a turntable is low.
The present invention relates to a backlash compensation device, comprising:
the gear comprises a first gear, a second gear and a third gear, wherein a first mounting groove is formed in the center of the end face of one side of the first gear, and the first mounting groove is of a circular or annular structure;
a second mounting groove is formed in the center of one side end face of the second gear, the second mounting groove is of a circular or annular structure, the first gear and the second gear are coaxially arranged, and the first mounting groove and the second mounting groove are oppositely arranged; and
the torsion spring is coaxially arranged in the first mounting groove and the second mounting groove;
the potential energy stored torsion spring can push the first gear and the second gear to rotate relatively, so that the working tooth surfaces of the first gear and the second gear are respectively contacted with the two side tooth surfaces of the tooth socket meshed with the first gear and the second gear.
Another object of the present invention is to provide a multi-component injection molding machine, which comprises the above backlash compensation device, an encoder, a turntable, and a driving motor,
the driving motor is used for driving the turntable to rotate;
the turntable is provided with transmission teeth meshed with the backlash compensation device;
the encoder is connected with a transmission shaft in the backlash compensation device and is used for receiving angular displacement information of the rotary disc;
when the driving motor drives the turntable to rotate, the turntable drives the transmission shaft in the backlash compensation device to rotate by meshing with the first gear and the second gear in the backlash compensation device, and further angular displacement information of the turntable is transmitted to the encoder.
Another object of the present invention is to provide an injection molding product production line comprising a multi-component injection molding machine as described above.
According to the scheme, the first gear and the second gear are coaxially arranged, and the torsion spring is arranged between the two gears, so that the torsion spring with potential energy can push the first gear and the second gear to relatively rotate, and one tooth surface of the first gear and one tooth surface of the second gear are respectively in contact with two side tooth surfaces of a tooth socket meshed with the first gear and the second gear, so that automatic compensation of tooth gaps is realized.
Drawings
Fig. 1 is a schematic structural diagram of a backlash compensation device according to an embodiment of the present invention, where fig. 1 is a schematic structural diagram;
fig. 2 is a schematic structural diagram of a backlash compensation device provided with a transmission shaft according to an embodiment of the present invention;
fig. 3 is an exploded view of a backlash compensating apparatus provided with a drive shaft according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a backlash compensation device and an encoder according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a multicomponent injection molding machine according to an embodiment of the present invention;
FIG. 6 is a front view of a multi-component injection molding machine according to an embodiment of the present invention;
in the drawings: 1. a first gear; 11. a first mounting groove; (ii) a 13. Fixing grooves; 2. a second gear; 21. a second mounting groove; 3. a torsion spring; 31. mounting an arm; 4. a drive shaft; 5. a shaft sleeve; 6. a limiting member; 61. a fastener; 7. an encoder; 71. an elastic coupling; 8. a turntable; 9. a drive motor; 10. mounting a base; 101. a bearing; 102. an end cap; 110. backlash compensation device.
Detailed description of the preferred embodiments
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a schematic structural diagram of a backlash compensation device 110 according to an embodiment of the present invention is provided, where the backlash compensation device 110 includes:
the gear comprises a first gear 1, wherein a first mounting groove 11 is formed in the center of one side end face of the first gear 1, and the first mounting groove 11 is of a circular or annular structure;
a second gear 2, wherein a second mounting groove 21 is formed in the center of the end surface of one side of the second gear 2, the second mounting groove 21 is of a circular or annular structure, the first gear 1 and the second gear 2 are coaxially arranged, and the first mounting groove 11 and the second mounting groove 21 are oppositely arranged; and
the torsion spring 3 is coaxially arranged in the first mounting groove 11 and the second mounting groove 21;
the potential energy stored torsion spring 3 can push the first gear 1 and the second gear 2 to rotate relatively, so that the working tooth surfaces of the first gear 1 and the second gear 2 are respectively contacted with the two side tooth surfaces of the tooth grooves meshed with the first gear and the second gear.
In the embodiment of the invention, the first gear 1 and the second gear 2 are both cylindrical gears, and the addendum circle diameter, the tooth profile, the tooth number and other parameters of the first gear 1 and the second gear 2 are consistent. Preferably, when the first gear 1 and the second gear 2 are coaxially arranged, a certain gap is left between two opposite end faces thereof, so that friction between the end faces of the first gear 1 and the second gear 2 can be avoided when the first gear 1 and the second gear 2 relatively rotate under the action of the torsion spring 3. The backlash compensating device 110 is arranged such that, in use, the first gear wheel 1 and the second gear wheel 2 mesh simultaneously with their mating gear wheels.
In the embodiment of the present invention, the specific structure of the torsion spring 3 is not limited, and the torsion spring 3 is installed in the first installation groove 11 and the second installation groove 21 and is coaxially disposed with the first gear 1 and the second gear 2. The two ends of the torsion spring 3 are respectively and fixedly disposed on the circumferential direction of the first gear 1 and the second gear 2 relative to the first gear 1 and the second gear 2, for example, a fixing groove 13 may be disposed on the end surface of the first gear 1 along the circumferential direction of the first mounting groove 11, the mounting arm 31 of the torsion spring 3 is embedded in the fixing groove 13, and the end of the torsion spring 3 connected to the second gear 2 may be fixed in the same manner, but is not limited thereto. Preferably, the fixing groove 13 may be provided in plurality along the circumferential direction of the first and second mounting grooves 11 and 21 to facilitate adjustment of potential energy of the torsion spring 3. When the backlash compensation device 110 is used, a certain potential energy can be stored in the torsion spring 3 between the first gear 1 and the second gear 2, so that when the backlash is increased along with the abrasion of the gear teeth, the torsion spring 3 can enable two ends of the torsion spring 3 to drive the first gear 1 and the second gear 2 to rotate relatively by releasing the potential energy, so that the working tooth surfaces of the first gear 1 and the second gear 2 are respectively in close contact with two side tooth surfaces of a tooth space meshed with the working tooth surfaces, and the automatic compensation of the gear backlash is realized, wherein the working tooth surfaces are tooth surfaces contacted with the tooth space meshed with the working tooth surfaces.
According to the scheme, the first gear 1 and the second gear 2 are coaxially arranged, and the torsion spring 3 is arranged between the two gears, so that the torsion spring 3 with potential energy stored therein can push the first gear 1 and the second gear 2 to rotate relatively, one tooth surface of the first gear 1 and one tooth surface of the second gear 2 are respectively contacted with two side tooth surfaces of a tooth groove meshed with the first gear 1 and the second gear 2, and automatic compensation of a tooth gap is realized.
In another embodiment of the present invention, as shown in fig. 2, the backlash compensation device 110 further includes a transmission shaft 4, and the first gear 1 and the second gear 2 are mounted on the transmission shaft 4.
In the embodiment of the present invention, the specific structure of the transmission shaft 4 and the connection device of the transmission shaft 4 are not limited according to different application environments of the backlash compensation device 110. For example, when the backlash compensation device 110 is used for driving transmission, one end of the transmission shaft 4 may be connected to an output shaft of a motor; when the backlash compensation device 110 is used to record an angular displacement, an encoder may be connected to one end of the drive shaft 4. The first gear 1 or the second gear 2 may be provided with a key slot, so that one of the gears is fixedly mounted on the transmission shaft 4 through key connection, and the transmission shaft 4 may be provided with a shoulder to limit the axial positions of the first gear 1 and the second gear 2 along the transmission shaft 4. Preferably, in order to adjust the circumferential relative positions of the first gear 1 and the second gear 2, one of the gears is fixedly disposed on the transmission shaft 4, and the other gear is rotatably disposed on the transmission shaft 4 through a bearing, so that the backlash compensation device 110 can realize automatic compensation.
According to the backlash compensation device provided by the embodiment of the invention, the transmission shaft 4 is arranged, the first gear 1 and the second gear 2 are both arranged on the transmission shaft 4, when the backlash compensation device 110 is applied, the transmission shaft 4 can be directly connected with a motor, an encoder or other devices, and each part in the backlash compensation device 110 can be integrally disassembled, so that the backlash compensation device 110 is convenient to disassemble and assemble. And through set up locating hole and locating pin on first gear 1, second gear 2, can make the work flank of tooth of first gear 1 and the work flank of tooth of second gear 2 all can transmit the moment of torsion, enlarged the range of application of backlash compensation arrangement.
As shown in fig. 2 and 3, in another embodiment of the present invention, the first gear 1 and the second gear 2 are mounted on the transmission shaft 4 through a shaft sleeve 5, the first gear 1 and the second gear 2 are mounted on the shaft sleeve 5, and the torsion spring 3 is sleeved on the shaft sleeve 5.
In the embodiment of the present invention, the specific structure of the shaft sleeve 5 is not limited, and the shaft sleeve 5 and the transmission shaft 4 may be connected by interference fit or key connection, but not limited thereto, and the shaft sleeve 5 and the transmission shaft 4 may be relatively fixedly connected in the circumferential direction. In this embodiment, the installation structures of the first gear 1 and the second gear 2 on the shaft sleeve 5 are not limited, one of the gears is fixedly arranged relative to the shaft sleeve 5, and the other gear is rotatably arranged relative to the shaft sleeve 5. Preferably, the sleeve 5 may be integrally provided with one of the first gear 1 and the second gear 2, and the other one is rotatably provided on the sleeve 5.
In the embodiment of the present invention, the backlash compensation device 110 may further include a limiting member 6, and the limiting member 6 is used for preventing the first gear 1 or the second gear 2 rotatably disposed on the shaft sleeve 5 from being disengaged from the shaft sleeve 5. The specific structure of the limiting element is not limited in this embodiment, for example, the limiting element 6 may be a flange disposed on the shaft sleeve 5, and preferably, the limiting element 6 may be a disk structure disposed at one end of the shaft sleeve 5 and contacting with an end surface of the shaft sleeve 5. The fixing manner of the limiting element 6 is not limited in this embodiment, for example, the limiting element 6 may be connected with the shaft sleeve 5 by a screw thread or an interference fit, or the limiting element 6 is fixedly connected with the transmission shaft 4 inserted into the shaft sleeve 5 by the fastening element 61, but is not limited thereto.
According to the backlash compensation device 110 provided by the embodiment of the invention, the shaft sleeve 5 is arranged, and the shaft sleeve 5 and the first gear 1 or the second gear 2 are integrally arranged, so that the first gear 1, the second gear 2 and the torsion spring 3 can be integrally disassembled and assembled, and the backlash compensation device 110 is convenient to maintain; and one end of the shaft sleeve 5 is provided with the disc structure limiting part 6, so that the first gear 1 or the second gear 2 which is rotatably arranged on the shaft sleeve 5 can be prevented from being separated from the shaft sleeve 5, one end of the shaft sleeve 5 can be sealed, dust and impurities are prevented from entering the shaft sleeve 5 to corrode the transmission shaft 4 and the shaft sleeve 5, and the service lives of the transmission shaft 4 and the shaft sleeve 5 are prolonged.
The backlash compensation device 110 in any of the above embodiments operates as follows:
the torsion spring 3 is arranged between the first gear 1 and the second gear 2 with certain potential energy, when a gap is formed between the teeth of the first gear 1 and the second gear 2 and the tooth spaces meshed with the first gear and the second gear, the torsion spring 3 releases the potential energy to push the first gear 1 and the second gear 2 arranged at two ends of the torsion spring 3 to rotate relatively, so that the tooth surfaces of the first gear 1 and the second gear 2 are respectively in close contact with the tooth surfaces at two sides of the tooth spaces meshed with the first gear and the second gear, and therefore tooth gap compensation is achieved.
In another embodiment of the present invention, as shown in fig. 5 and 6, there is provided a multi-component injection molding machine comprising a backlash compensation device 110, an encoder 7, a turntable 8, and a drive motor 9 as described above,
the driving motor 9 is used for driving the turntable 8 to rotate;
the turntable 8 is provided with transmission teeth meshed with the backlash compensation device 110;
the encoder 7 is connected with the transmission shaft 4 in the backlash compensation device 110, and the encoder 7 is used for receiving angular displacement information of the rotating disc 8;
when the driving motor 9 drives the rotating disc 8 to rotate, the rotating disc 8 is meshed with the first gear 1 and the second gear 2 in the backlash compensation device 110 to drive the transmission shaft 4 in the backlash compensation device 110 to rotate, so that the angular displacement information of the rotating disc 8 is transmitted to the encoder 7.
In the embodiment of the present invention, the specific type of the driving motor 9 and the driving transmission structure between the driving motor 9 and the turntable 8 are not limited, for example, the output shaft of the driving motor 9 may be connected to a driving gear, and the driving gear is engaged with the transmission teeth on the turntable 8 to drive the turntable 8 to rotate.
In the embodiment of the present invention, the outer circumference of the turntable 8 is provided with the transmission gear, the embodiment does not limit the specific structure of the turntable 8, the driving motor 9 drives the turntable 8 to rotate, and the turntable 8 rotates to different angles to realize the multi-component injection, and the embodiment does not limit the implementation structure thereof.
In the embodiment of the present invention, the encoder 7 may be connected to the transmission shaft 4 of the backlash compensation device 110 through the elastic coupling 71, so as to buffer the impact force caused by the instant start of the turntable 8 and protect the encoder 7 from the impact force. The multi-component injection molding machine may further comprise a mounting base 10 for mounting the backlash compensation device 110 and the encoder 7, as shown in fig. 4, wherein the backlash compensation device 110 may be rotatably disposed on the mounting base 10 through a bearing 101 and then sealed by an end cap 102, and the encoder 7 is fixedly mounted on the mounting base 10 through a fastener.
According to the multi-component injection molding machine provided by the embodiment of the invention, the backlash compensation device 110 is arranged, so that the automatic compensation of the backlash can be realized, and the reduction of the precision of the angular displacement information of the rotating angle of the turntable 8 received by the encoder 7 due to the existence of the backlash can be avoided. And in this embodiment, the encoder 7 is connected with the transmission shaft 4 in the backlash compensation device 110 through the elastic coupling 71, and the elastic coupling 71 can buffer the impact force caused by instant start of the turntable 8, so that the encoder 7 is protected from being influenced by the impact force, the service life of the encoder 7 is prolonged, the accuracy of angular displacement information of the turntable 8 obtained by the encoder 7 is further ensured, and the product quality is ensured.
In another embodiment of the invention, an injection molding product production line is also provided, which comprises the multi-component injection molding machine.
In the embodiment of the invention, the injection product production line can further comprise a detection mechanism and a blanking mechanism, wherein the detection mechanism can detect the surface defects of the injection products, for example, the surface defects can be realized by an image recognition technology; the blanking mechanism can convey the injection-molded product to the next station, for example, the blanking mechanism can be a conveyor belt mechanism or a mechanical arm.
According to the injection product production line provided by the embodiment of the invention, the multi-component injection molding machine is arranged, so that the quality of injection products can be guaranteed, the automatic compensation of tooth gaps can be realized, the manual maintenance is avoided, and the cost is saved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A backlash compensation device, comprising:
the gear comprises a first gear, a second gear and a third gear, wherein a first mounting groove is formed in the center of the end face of one side of the first gear, and the first mounting groove is of a circular or annular structure;
a second mounting groove is formed in the center of one side end face of the second gear, the second mounting groove is of a circular or annular structure, the first gear and the second gear are coaxially arranged, and the first mounting groove and the second mounting groove are oppositely arranged; and
the torsion spring is coaxially arranged in the first mounting groove and the second mounting groove;
the potential energy stored torsion spring can push the first gear and the second gear to rotate relatively, so that the working tooth surfaces of the first gear and the second gear are respectively contacted with the two side tooth surfaces of the tooth socket meshed with the first gear and the second gear.
2. The backlash compensation apparatus of claim 1, further comprising a drive shaft, said first gear and said second gear being mounted on said drive shaft.
3. The backlash compensation apparatus as claimed in claim 2, wherein said first gear and said second gear are mounted on said drive shaft by a bushing, said first gear and said second gear are mounted on said bushing, and said torsion spring is fitted on said bushing.
4. A backlash compensation device according to claim 3, wherein said sleeve is integrally provided with one of said first gear and said second gear, and the other is rotatably provided on said sleeve.
5. The backlash compensation device according to claim 4, further comprising a stopper for preventing the first gear or the second gear rotatably provided on the sleeve from being disengaged from the sleeve.
6. The backlash compensation apparatus as claimed in claim 5, wherein said retainer is disposed at an end of said sleeve, and said retainer and an end of said shaft inserted into said sleeve are fixedly connected so that said retainer abuts against an end surface of said sleeve.
7. A multi-component injection molding machine comprising a backlash compensation device according to any one of claims 1 to 6, an encoder, a turntable, and a drive motor,
the driving motor is used for driving the turntable to rotate;
the turntable is provided with transmission teeth meshed with the backlash compensation device;
the encoder is connected with a transmission shaft in the backlash compensation device and is used for receiving angular displacement information of the rotary disc;
when the driving motor drives the turntable to rotate, the turntable drives the transmission shaft in the backlash compensation device to rotate by meshing with the first gear and the second gear in the backlash compensation device, and further angular displacement information of the turntable is transmitted to the encoder.
8. The multi-component injection molding machine of claim 7, wherein the drive shaft of the backlash compensation device is connected to the encoder by a flexible coupling.
9. An injection molding product production line, characterized in that it comprises a multicomponent injection molding machine according to any one of claims 7 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211370.5A CN111319186A (en) | 2020-03-24 | 2020-03-24 | Backlash compensation device, multi-component injection molding machine and injection molding product production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211370.5A CN111319186A (en) | 2020-03-24 | 2020-03-24 | Backlash compensation device, multi-component injection molding machine and injection molding product production line |
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| Publication Number | Publication Date |
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| CN111319186A true CN111319186A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211370.5A Pending CN111319186A (en) | 2020-03-24 | 2020-03-24 | Backlash compensation device, multi-component injection molding machine and injection molding product production line |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522483A (en) * | 2012-07-04 | 2014-01-22 | 桦钦机械厂有限公司 | Double-color injection molding machine with rotating shaft and rotary disc functions |
| CN105378344B (en) * | 2012-12-28 | 2017-12-05 | 吉凯恩粉末冶金工程有限公司 | Separated gear |
| CN109366866A (en) * | 2018-10-25 | 2019-02-22 | 海天塑机集团有限公司 | A kind of novel turntable, shaft common type multiple groups part injection molding machine |
| CN209580414U (en) * | 2019-01-22 | 2019-11-05 | 杭州威灵自动化科技有限公司 | A kind of turntable control structure of vertical injection molding machine |
| CN110645337A (en) * | 2019-10-29 | 2020-01-03 | 北京联恒众达科技中心(有限合伙) | Encoder for eliminating gear pair backlash |
-
2020
- 2020-03-24 CN CN202010211370.5A patent/CN111319186A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522483A (en) * | 2012-07-04 | 2014-01-22 | 桦钦机械厂有限公司 | Double-color injection molding machine with rotating shaft and rotary disc functions |
| CN105378344B (en) * | 2012-12-28 | 2017-12-05 | 吉凯恩粉末冶金工程有限公司 | Separated gear |
| CN109366866A (en) * | 2018-10-25 | 2019-02-22 | 海天塑机集团有限公司 | A kind of novel turntable, shaft common type multiple groups part injection molding machine |
| CN209580414U (en) * | 2019-01-22 | 2019-11-05 | 杭州威灵自动化科技有限公司 | A kind of turntable control structure of vertical injection molding machine |
| CN110645337A (en) * | 2019-10-29 | 2020-01-03 | 北京联恒众达科技中心(有限合伙) | Encoder for eliminating gear pair backlash |
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Application publication date: 20200623 |
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