CN109093505B - Centrifugal polishing processing sealing cylinder cover automatic opening and closing mechanism - Google Patents
Centrifugal polishing processing sealing cylinder cover automatic opening and closing mechanism Download PDFInfo
- Publication number
- CN109093505B CN109093505B CN201810862531.XA CN201810862531A CN109093505B CN 109093505 B CN109093505 B CN 109093505B CN 201810862531 A CN201810862531 A CN 201810862531A CN 109093505 B CN109093505 B CN 109093505B
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- fluted disc
- fixed
- central hole
- column
- cam rotating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses an automatic opening and closing mechanism of a centrifugal finishing processing sealing cylinder cover, wherein a claw of the automatic opening and closing mechanism is connected with a driving mechanism through a connecting rod mechanism, the driving mechanism comprises a cam rotating body, a movable column, a rotary fluted disc, a guide column, a fixed seat, a disc spring and a lower locking fluted disc, the lower end surface of the rotary fluted disc is provided with teeth, the upper end surface of the movable column is provided with teeth, the lower end surface of the cam rotating body is provided with teeth, the upper end of the guide column is fixed in a central hole of the rotary fluted disc, the lower end of the guide column is movably inserted into the central hole of the movable column, the movable column is arranged in the central hole of the cam rotating body through a flat key, the cam rotating body is rotationally fixed in the central hole of the fixed seat, the fixed seat is fixed on the upper end surface of the cylinder cover, the central cylinder is arranged at the center of the upper end surface of the fixed seat, the central hole of the fixed seat is coaxial with the central cylinder, and the disc spring and the lower locking fluted disc are sequentially sleeved on the central cylinder.
Description
Technical Field
The invention belongs to the technical field of self-locking sealing, and particularly relates to an automatic opening and closing mechanism for a centrifugal finishing processing sealing cylinder cover.
Background
The vertical centrifugal finishing machine on the market at present mainly comprises an automatic control finishing machine with a patent number of CN 201989037U and an automatic control centrifugal movement finishing device with a patent number of CN 204935340U, and the total volume of a charging barrel is more than 5L. The former a plurality of covers are all fixed on a lifting body, through the lift of lifting body, realize the cover switch, and this kind of structure's advantage is simple structure, nevertheless require very high to machining precision and assembly precision, must guarantee after all covers the assembly on a plane, otherwise because the low pressure of down force is different, the cover sealed effect of pressure is poor, equipment operation process can appear leaking. The three-jaw mechanism can not be self-locked, and when the roller performs high-speed centrifugal motion, the three jaws are acted by centrifugal force, so that the resistance of the spring is overcome, and the three-jaw mechanism can be opened slowly, so that the sealing is invalid and leakage is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing the centrifugal finishing processing sealing cylinder cover automatic switching mechanism with a good sealing effect and a self-locking function.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a centrifugal finishing processing sealed barrel head automatic switch mechanism, includes barrel seat, feed cylinder, sealing washer, barrel head, wherein in the feed cylinder is fixed in the barrel seat, through sealing washer sealing connection between feed cylinder and the barrel head, articulated jack catch on the barrel head lateral surface of belonging, the jack catch passes through link mechanism and connects actuating mechanism, actuating mechanism includes cam rotator, movable post, rotatory fluted disc, guide post, fixing base, dish spring and lower lock fluted disc, set up the tooth on the rotatory fluted disc lower terminal surface, the movable post up end sets up the tooth, cam rotator lower terminal surface sets up the tooth, lower lock fluted disc up end sets up the tooth, guide post upper end is fixed in the centre bore of rotatory fluted disc, the guide post lower extreme is pegged graft with the centre bore of movable post, the movable post passes through the flush key and installs in the centre bore of cam rotator, the cam rotator is rotationally fixed in the centre bore of fixing base, the fixing base is fixed in on the barrel head up end, the center bore of cylinder top end is coaxial with the center post, dish spring and lower lock fluted disc are in proper order on the center post, during operation, the guide post inserts in the center of movable post and down and the cam rotator in the centre bore of cam rotator, the rotatory and the lock rotator is driven by the rotatory and the rotary link, and the rotary link is meshed with the rotary knob, and is driven down.
Further, the link mechanism comprises a pin, a roller, a deflector rod, a connecting rod, a large spring and a guide block, wherein the guide block is fixed on the cylinder cover, the deflector rod is movably inserted into a center hole of the guide block, the deflector rod is connected with the roller through a pin shaft, the other end of the deflector rod is connected with one end of the connecting rod through a pin shaft, the other end of the connecting rod is connected with a claw, the large spring is sleeved on the deflector rod and is positioned in the center hole of the guide block, the center hole of the guide block is a step hole, and the large spring is compressed and limited through the guide block and a flange plate on the deflector rod body.
Preferably, the connecting rod mechanism and the clamping jaw are provided with three sets, the clamping jaw is L-shaped, the middle part of the clamping jaw is hinged on the lug on the outer side surface of the cylinder cover through a pin shaft, the three clamping jaws are uniformly arranged along the outer side surface of the cylinder cover, and the three sets of connecting rod mechanisms are uniformly arranged corresponding to the three clamping jaw positions.
Further, the jack catch tip is equipped with anti-rotation mechanism, including barrel seat, fixed block, bolt, cotter pin and little spring, and wherein the fixed block is fixed in the jack catch side, set up the step hole on the fixed block, bolt body head is equipped with the ring flange, and little spring suit is on the bolt and pass the step hole of fixed block with the bolt afterbody and expose, makes little spring pass through ring flange and fixed block compression spacing in the step hole, inserts the cotter pin on the bolt afterbody, makes bolt swing joint in the step hole of fixed block, the barrel seat sets up to turn up the upper edge outward, evenly sets up the rectangular channel along outside circumferencial direction on it, and when the jack catch was closed, the bolt head inserts the rectangular channel in preventing changeing.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
the invention utilizes the driving mechanism to drive the connecting rod mechanism so as to drive the claw, realizes automatic locking or loosening of the cylinder cover, utilizes the fluted disc to realize self-locking, utilizes the anti-rotation mechanism to realize anti-rotation of the cylinder cover, has ingenious structure and good sealing effect, does not cause the phenomenon of loosening of the claw in the working process, and does not need manual participation in the whole process to realize automatic control.
Drawings
FIG. 1 is a schematic view of the structure of the cartridge cap in a clamped and locked state;
FIG. 2 is a schematic view of the state structure of the invention when the cover is unlocked (part C of FIG. 1);
FIG. 3 is a schematic view of the structure of the cartridge cover in the state A-A when the cartridge cover is unlocked;
FIG. 4 is a schematic view of the structure of the cartridge cap of the present invention in a released state;
FIG. 5 is a schematic view of the structure of the cartridge cap of the present invention in a state A-A after release;
FIG. 6 is a schematic view of the structure of the anti-rotation mechanism of the present invention in a locked state (direction B-B in FIG. 1);
FIG. 7 is a schematic view of a partially enlarged structure of the anti-rotation mechanism of the present invention (section F of FIG. 6);
reference numerals illustrate: 1. the cylinder seat, 2, the charging cylinder, 3, the sealing ring, 4, the cylinder cover, 5, the disc spring, 6, the fixed seat, 7, the lower locking fluted disc, 8, the cam rotator, 9, the movable column, 10, the rotary fluted disc, 11, the guide column, 12, the flat key, 13, the pin, 14, the roller, 15, the deflector rod, 16, the connecting rod, 17, the big spring, 18, the guide block, 19, the claw, 20, the anti-rotation mechanism, 21, the fixed block, 22, the bolt, 23, the cotter pin, 24 and the small spring.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-6, the invention comprises a cylinder seat 1, a cylinder 2, a sealing ring 3 and a cylinder cover 4, wherein the cylinder is fixed in the cylinder seat, the cylinder and the cylinder cover are connected in a sealing way through the sealing ring, a claw 19 is hinged on the outer side surface of the cylinder cover, the claw is connected with a driving mechanism through a connecting rod mechanism, the driving mechanism comprises a cam rotator 8, a movable column 9, a rotary fluted disc 10, a guide column 11, a fixed seat 6, a disc spring 5 and a lower locking fluted disc 7, the lower end surface of the rotary fluted disc is provided with teeth, the upper end surface of the movable column is provided with teeth, the lower end surface of the cam rotator is provided with teeth, the upper end of the lower locking fluted disc is provided with teeth, the upper end of the guide column is fixedly connected in a central hole of the rotary fluted disc in a movable way, the lower end of the guide column is movably connected in the central hole of the cam rotator through a flat key 12, the flat key has the function of driving the cam rotator to synchronously rotate when the movable column rotates, in addition, the key slot of the central hole of the cam rotator is longer than the flat key, the movable column can slide along the axial direction under the guide of the flat key, the lower end of the movable column is contacted with the end surface part of the toothless tooth at the center of the lower locking fluted disc, the cam rotator is rotationally fixed in the central hole of the fixed seat and can rotate relative to the fixed seat but can not move up and down, the fixed seat is fixed on the upper end surface of the cylinder cover, the central column is arranged at the center of the upper end surface of the cylinder cover, the central hole of the fixed seat is coaxial with the central column, the disc spring and the lower locking fluted disc are sequentially sleeved on the central column, the disc spring supports the lower locking fluted disc, the lower locking fluted disc can move up and down relative to the central column but can not rotate, when in operation, the lower end of the guide column is inserted into the central hole of the movable column and is pressed down, the movable column slides down along the axial direction, the lower locking fluted disc and the disc spring are pressed down, so that the engagement of the cam rotator and the lower locking fluted disc is disengaged, the rotary fluted disc is meshed with the movable column, the rotary fluted disc drives the movable column to rotate, and then the cam rotating body is driven to rotate, and the cam rotating body drives the connecting rod mechanism to drive the clamping jaw to clamp or loosen by utilizing the cam structure. When the movable column slides upwards along the axis, the pressure of the disc spring disappears, the original shape is restored, the lower locking fluted disc is supported again, so that the fluted disc teeth between the lower locking fluted disc and the rotating body are meshed again, and self-locking is realized.
The connecting rod mechanism comprises a pin 13, a roller 14, a deflector rod 15, a connecting rod 16, a large spring 17 and a guide block 18, wherein the guide block is fixed on a cylinder cover, the deflector rod is movably inserted into a center hole of the guide block, the deflector rod can move back and forth along the center hole of the guide block, the deflector rod is connected with the roller through a pin shaft, the outer circle surface of the roller leans against the spiral line surface on the flange surface of the cam rotating body, when the cam rotating body rotates, the spiral line surface on the flange surface can push the deflector rod to slide along the center hole of the guide block, the stroke is 8mm, the other end of the deflector rod is connected with one end of the connecting rod through a pin shaft, the other end of the connecting rod is connected with a claw, the large spring is sleeved on the deflector rod and is positioned in the center hole of the guide block, the center hole of the guide block is a step hole, and the large spring is limited through the compression of the flange plate on the guide block and the deflector rod body. The large spring is used for enabling the outer circle surface of the roller to be tightly attached to the spiral line surface all the time. When the deflector rod slides, the connecting rod and the claw are driven to act simultaneously, when the deflector rod slides 8mm towards the center of the cylinder cover, the claw is in an outwards-opened state and is just separated from the upper edge of the cylinder seat, when the deflector rod slides reversely to return to the original position, the claw is in a vertical state and clamps the upper edge of the cylinder seat, at the moment, the spiral line surface position of the outer circle surface of the roller is just the self-locking position of the spiral line, and the function is determined by the shape characteristic of the spiral line.
The three sets of connecting rod mechanisms and the clamping claws are in L shapes, the middle parts of the clamping claws are hinged to the lugs on the outer side face of the cylinder cover through pin shafts, the three clamping claws are uniformly arranged along the outer side face of the cylinder cover, and the three sets of connecting rod mechanisms and the three clamping claws are correspondingly and uniformly arranged in positions.
As shown in fig. 7, in order to prevent the cylinder cover from rotating in the working process and causing the abrasion of the claw, the end part of the claw is provided with an anti-rotation mechanism 20, which comprises a cylinder seat, a fixed block 21, a bolt 22, a cotter pin 23 and a small spring 24, wherein the fixed block is fixed on the side surface of the claw, a step hole is arranged on the fixed block, the head part of the bolt body is provided with a flange plate, the small spring is sleeved on the bolt and exposes the tail part of the bolt through the step hole of the fixed block, the small spring is limited in the step hole through the flange plate and the compression of the fixed block, the cotter pin is inserted into the cotter pin on the tail part, the bolt is movably connected in the step hole of the fixed block, the cylinder seat is provided with an everting upper edge, a rectangular groove is uniformly arranged on the cylinder seat along the outer circumferential direction, and when the claw is closed, the head part of the bolt is inserted into the rectangular groove for anti-rotation.
Description of working principle:
as shown in figure 1, the clamping jaws are in a clamping state, the equipment rotates at a high speed, the rotating speed is 300rpm, at the moment, the three clamping jaws can bear outward centrifugal force, but due to the action of the double self-locking mechanism, the clamping jaws can be prevented from being opened, and water in the roller is prevented from leaking. The double self-locking mechanism is characterized in that the first self-locking is that the self-locking position of the spiral surface is exactly positioned on the clamping position of the clamping jaw; the second self-locking is that the lower locking fluted disc is meshed with the tooth of the cam rotator to prevent the cam rotator from rotating; the two self-locking processes can be continued no matter which process is failed due to the damage of the parts.
When the rotary fluted disc is in operation, the rotary fluted disc is fixed on the rotary cylinder of the lifting body of the equipment and synchronously rotates along with the cylinder, the guide post is fixed in the central hole of the rotary fluted disc, after the operation is finished, the rotary fluted disc descends along with the lifting body, the guide post is firstly inserted into the central hole of the movable post for alignment in the descending process, and then descends continuously to be meshed with teeth at the upper end of the movable post, further the movable post is pressed down, the disc spring is compressed through the lower locking fluted disc, the lower locking fluted disc is meshed and separated with the teeth of the rotary body, the sealing ring is compressed by the lower pressure, after the lifting body of the equipment descends in place, the clamping jaw is separated from the lower surface of the upper edge of the cylinder seat, the rotary cylinder rotates clockwise, the cam rotary body is driven by the meshing force of the rotary fluted disc, so that three clamping jaws are simultaneously opened, the grabbing mechanism on the equipment grabs the whole cylinder cover, and lifts the cylinder cover through the lifting body.
After the cylinder cover is opened, the grinding block, the water and the processing parts in the cylinder can be taken out, the new grinding block, the new water and the new processing parts are replaced, the lifting body descends, the cylinder cover is put down, the rotary cylinder rotates anticlockwise, the three clamping jaws are simultaneously closed, the grabbing mechanism on the device loosens the cylinder cover, the lifting body ascends, the disc spring pressure disappears, the original shape is restored, the lower locking fluted disc is lifted again, and the disc teeth between the lower locking fluted disc and the cam rotating body are meshed again. The pressure of the sealing ring disappears, the original shape is restored, and the three clamping jaws are contacted with the lower surface of the upper edge of the cylinder seat again and are tightly expanded.
Although the three clamping claws are contacted with the lower surface of the upper edge of the cylinder seat again and are tensioned, relative rotation between the cylinder cover and the cylinder seat is possible in high-speed rotation, so that an anti-rotation mechanism is designed, and abrasion of the clamping claws caused by relative rotation is avoided. When three jack catch is closed, perhaps the bolt head does not get into the rectangular channel, but is propped outside the rectangular channel, and little spring is compressed state this moment, and when equipment high-speed rotation takes place for cover and seat relatively, and little spring can be very easy with the bolt head jack-in rectangular channel, realizes preventing changeing the function.
Claims (2)
1. The utility model provides a centrifugal finishing processing sealed cover automatic switch mechanism, includes cartridge holder (1), feed cylinder (2), sealing washer (3), cover (4), wherein the feed cylinder is fixed in the cartridge holder, passes through sealing washer sealing connection between feed cylinder and the cover, its characterized in that: the device comprises a cylinder cover, a driving mechanism, a cam rotating body, a movable column (9), a rotary fluted disc (10), a guide column (11), a fixed seat (6), a disc spring (5) and a lower locking fluted disc (7), wherein a tooth is arranged on the lower end face of the rotary fluted disc, a tooth is arranged on the upper end face of the movable column, a tooth is arranged on the lower end face of the cam rotating body, a tooth is arranged on the upper end face of the lower locking fluted disc, the upper end of the guide column is fixed in a central hole of the rotary fluted disc, the lower end of the guide column is movably inserted into the central hole of the movable column, the movable column is mounted in the central hole of the cam rotating body through a flat key (12), the cam rotating body is rotatably fixed in the central hole of the fixed seat, the fixed seat is fixed on the upper end face of the cylinder cover, the central hole of the fixed seat is coaxial with the central column, the disc spring and the lower locking fluted disc are sequentially sleeved on the central column, and when in operation, the lower end of the guide column is inserted into the central hole of the movable column and pressed down, the cam rotating body is meshed with the lower locking fluted disc, the cam rotating body is rotatably meshed with the movable fluted disc, and the cam rotating body is driven by the movable column or the driving mechanism to rotate, so that the cam rotating mechanism is driven to loosen the jaw, and the cam rotating mechanism is rotated, or the jaw is driven to rotate;
the connecting rod mechanism comprises a pin (13), a roller (14), a deflector rod (15), a connecting rod (16), a large spring (17) and a guide block (18), wherein the guide block is fixed on the cylinder cover, the deflector rod is movably inserted into a central hole of the guide block, the deflector rod is connected with the roller through a pin shaft, the other end of the deflector rod is connected with one end of the connecting rod through a pin shaft, the other end of the connecting rod is connected with a claw, the large spring is sleeved on the deflector rod and is positioned in the central hole of the guide block, the central hole of the guide block is a step hole, and the large spring is compressed and limited through the guide block and a flange plate on the deflector rod body;
the connecting rod mechanism and the clamping jaws are provided with three sets, the middle parts of the clamping jaws are hinged on the lugs on the outer side face of the cylinder cover through pin shafts, the three clamping jaws are uniformly arranged along the outer side face of the cylinder cover, and the three sets of connecting rod mechanisms are uniformly arranged corresponding to the three clamping jaw positions.
2. The automatic centrifugal finishing seal cap opening and closing mechanism according to claim 1, wherein: the claw tip is equipped with anti-rotation mechanism (20), including barrel seat, fixed block (21), bolt (22), cotter pin (23) and little spring (24), wherein the fixed block is fixed in the claw side, set up the step hole on the fixed block, bolt body head is equipped with the ring flange, and little spring suit is on the bolt and pass the step hole of fixed block with the bolt afterbody and expose, makes little spring pass through the ring flange and fixed block compression spacing in the step hole, inserts the cotter pin on the bolt afterbody, makes bolt swing joint in the step hole of fixed block, the barrel seat sets up to turn up the upper edge outward, evenly sets up the rectangular channel along outside circumferencial direction on it, and when the jack catch was closed, the bolt head inserts in the rectangular channel and prevents changeing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862531.XA CN109093505B (en) | 2018-08-01 | 2018-08-01 | Centrifugal polishing processing sealing cylinder cover automatic opening and closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862531.XA CN109093505B (en) | 2018-08-01 | 2018-08-01 | Centrifugal polishing processing sealing cylinder cover automatic opening and closing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109093505A CN109093505A (en) | 2018-12-28 |
| CN109093505B true CN109093505B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810862531.XA Active CN109093505B (en) | 2018-08-01 | 2018-08-01 | Centrifugal polishing processing sealing cylinder cover automatic opening and closing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109093505B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998784A (en) * | 2021-03-04 | 2021-06-22 | 中国人民解放军陆军军医大学第一附属医院 | External incision opening and stabilizing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB912647A (en) * | 1960-10-05 | 1962-12-12 | Canning & Co Ltd W | Apparatus for wet tumbling or wet burnishing |
| CN85103080A (en) * | 1984-10-16 | 1986-10-22 | 狄普敦股份有限公司 | Multifunction work finishing machine using barrel containers |
| CN1213755A (en) * | 1997-10-03 | 1999-04-14 | 西部电机株式会社 | Actuating device prepared with antiexplosion and waterproof for valve drive cistern |
| CN1537347A (en) * | 2001-06-01 | 2004-10-13 | �Ƹ��� | Latch with bail-type mounting piece |
| JP2016011628A (en) * | 2014-06-30 | 2016-01-21 | 日立オートモティブシステムズ株式会社 | Internal combustion engine valve timing control unit and variable valve gear |
| CN205057103U (en) * | 2015-10-28 | 2016-03-02 | 四川承继伟业石油钢管有限公司 | Semi -automatic chuck is used to lathe |
| CN105479455A (en) * | 2015-12-31 | 2016-04-13 | 长春赛诺迈德医学技术有限责任公司 | Gripping device |
| CN107264645A (en) * | 2017-05-22 | 2017-10-20 | 奇瑞汽车股份有限公司 | Arrangement construction of switch is filled in a kind of grid front end soon |
-
2018
- 2018-08-01 CN CN201810862531.XA patent/CN109093505B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB912647A (en) * | 1960-10-05 | 1962-12-12 | Canning & Co Ltd W | Apparatus for wet tumbling or wet burnishing |
| CN85103080A (en) * | 1984-10-16 | 1986-10-22 | 狄普敦股份有限公司 | Multifunction work finishing machine using barrel containers |
| CN1213755A (en) * | 1997-10-03 | 1999-04-14 | 西部电机株式会社 | Actuating device prepared with antiexplosion and waterproof for valve drive cistern |
| CN1537347A (en) * | 2001-06-01 | 2004-10-13 | �Ƹ��� | Latch with bail-type mounting piece |
| JP2016011628A (en) * | 2014-06-30 | 2016-01-21 | 日立オートモティブシステムズ株式会社 | Internal combustion engine valve timing control unit and variable valve gear |
| CN205057103U (en) * | 2015-10-28 | 2016-03-02 | 四川承继伟业石油钢管有限公司 | Semi -automatic chuck is used to lathe |
| CN105479455A (en) * | 2015-12-31 | 2016-04-13 | 长春赛诺迈德医学技术有限责任公司 | Gripping device |
| CN107264645A (en) * | 2017-05-22 | 2017-10-20 | 奇瑞汽车股份有限公司 | Arrangement construction of switch is filled in a kind of grid front end soon |
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| Publication number | Publication date |
|---|---|
| CN109093505A (en) | 2018-12-28 |
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