CN112025282A - Six-axis automatic variable-pitch tightening machine and variable-pitch tightening method - Google Patents
Six-axis automatic variable-pitch tightening machine and variable-pitch tightening method Download PDFInfo
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- CN112025282A CN112025282A CN202010901230.0A CN202010901230A CN112025282A CN 112025282 A CN112025282 A CN 112025282A CN 202010901230 A CN202010901230 A CN 202010901230A CN 112025282 A CN112025282 A CN 112025282A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
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Abstract
The invention discloses a six-axis automatic variable-pitch tightening machine which comprises a jacking mechanism, a bolt tightening mechanism and an adjusting mechanism for driving the bolt tightening mechanism to move up and down; the bolt tightening mechanism comprises six tightening guns, each tightening gun is independently fixed on one adjusting plate, and all the six adjusting plates are located in the same horizontal plane; the six tightening guns are divided into three groups, each group comprises two tightening guns, a connecting plate is arranged above two adjusting plates for correspondingly fixing the two tightening guns of each group, and correspondingly, the connecting plate is provided with three groups; the distance between two tightening guns of each group is adjusted through a variable-pitch cylinder, and the distance between every two adjacent tightening guns of each group is adjusted through an automatic variable-pitch linear motor. The invention adopts the linear motor and the variable pitch cylinder to adjust the distance between the tightening guns, and is matched with the specific structural arrangement of six adjusting plates and the like, so that the automatic variable pitch stable adjustment of the tightening guns can be realized, and the invention has the advantages of simple adjustment process of the distance between the tightening guns, high working efficiency and the like.
Description
Technical Field
The invention relates to the field of automobile engine assembly lines, in particular to a six-shaft automatic variable-pitch tightening machine for tightening a cylinder bolt and a variable-pitch tightening method.
Background
The automobile engine is a machine for providing power for the automobile, and influences the dynamic property, the economical efficiency and the environmental protection property of the automobile. In the assembly process of an automobile engine, a cylinder cover and a cylinder body need to be screwed up through bolts, specifically, the cylinder cover conveyed on a production line is firstly sleeved with the bolts and the cylinder body is screwed up manually, then the cylinder cover is conveyed to a screwing station along with the production line, and a plurality of screwing guns are used for screwing up simultaneously. Aiming at cylinder bodies of different models, the number of bolts on the cylinder bodies is different, for example, 4 bolts need to be screwed simultaneously for a single cylinder, 6 bolts need to be screwed simultaneously for double cylinders, and the distance between adjacent bolts is different, so that the distance between tightening guns needs to be adjusted. At present, a servo motor is mostly adopted to drive a screw rod for transmission so as to adjust the distance between adjacent tightening guns, the structure is complex and tedious, and the working efficiency is low.
Disclosure of Invention
Based on the technical problems, the invention provides a six-axis automatic variable-pitch tightening machine and a variable-pitch tightening method.
The technical solution adopted by the invention is as follows:
a six-axis automatic variable pitch tightening machine comprises a jacking mechanism, a bolt tightening mechanism and an adjusting mechanism for driving the bolt tightening mechanism to move up and down;
the jacking mechanism comprises a bottom fixing frame, the bottom fixing frame is arranged below the assembly line, a jacking plate is arranged in the center of the bottom fixing frame, the bottom of the jacking plate is connected with a cylinder rod of a jacking cylinder, positioning pins are arranged above two ends of the jacking plate, and supporting columns are arranged at four corners of the jacking plate;
the bolt tightening mechanism comprises six tightening guns, each tightening gun is independently fixed on one adjusting plate, and all the six adjusting plates are located in the same horizontal plane; the six tightening guns are divided into three groups, each group comprises two tightening guns, a connecting plate is arranged above two adjusting plates for correspondingly fixing the two tightening guns of each group, and correspondingly, the connecting plate is provided with three groups;
the distance between each group of two tightening guns is adjusted through a variable-pitch cylinder, a cylinder body of the variable-pitch cylinder is fixed at the bottom of one adjusting plate, the tail end of a cylinder rod of the variable-pitch cylinder is connected with the other adjusting plate, a first sliding block is arranged at the upper part of the adjusting plate, a first sliding rail is arranged above the two adjusting plates and corresponds to the bottom of the connecting plate, and the first sliding block is matched with the first sliding rail;
the distance between every two adjacent groups of tightening guns is adjusted through an automatic variable-pitch linear motor, the rotors on the automatic variable-pitch linear motor are in transmission connection with the connecting plates, each rotor is correspondingly connected with one connecting plate, and the automatic variable-pitch linear motor is fixed on the valve seat plate; a second sliding block is arranged at the upper part of the connecting plate, a second sliding rail is arranged on the valve seat plate, the second sliding block is matched with the second sliding rail, and the first sliding rail and the second sliding rail are vertically arranged;
the adjusting mechanism comprises an adjusting cylinder and a top fixing frame, a third sliding rail is vertically arranged on the top fixing frame, a side plate is arranged on one side of the valve seat plate, a third sliding block is arranged on the outer side surface of the side plate, and the third sliding block is matched with the third sliding rail; the adjusting cylinder is installed on the top fixing frame, and the tail end of a cylinder rod of the adjusting cylinder is connected with the valve seat plate.
Preferably, an in-place detection switch for detecting the in-place of the workpiece is further arranged on the bottom fixing frame and connected with a control device, and the control device is respectively connected with the jacking cylinder, the tightening gun, the variable pitch cylinder, the automatic variable pitch linear motor and the adjusting cylinder; the control device comprises an electric control system and a pneumatic control system.
Preferably, the bottom of each adjusting plate is provided with two guide mechanisms, one of the two guide mechanisms is arranged at the bottom of the three adjusting plates on the same side, and the other guide mechanism is arranged at the bottom of the three adjusting plates on the other side; the guide mechanism comprises a guide rod, three guide blocks are arranged on the guide rod, and each guide block is correspondingly connected with one adjusting plate.
Preferably, the two ends of the valve seat plate are also provided with limiting blocks for limiting the movement of the two connecting plates at the outer side.
Preferably, a square through hole which is convenient for six screwing guns to vertically penetrate through is formed in the center of the valve seat plate.
The six-axis automatic variable-pitch tightening method adopts the tightening machine, and comprises the following steps:
(1) firstly, adjusting the distance between six tightening guns according to the model of a cylinder body to be tightened on a production line, specifically, by starting an automatic variable-pitch linear motor, a rotor of the linear motor drives a connecting plate to move along a second slide rail so as to adjust the transverse distance between each group of tightening guns, and then by starting a variable-pitch cylinder, a lever of the variable-pitch cylinder pushes an adjusting plate to move along a first slide rail so as to adjust the longitudinal distance between two tightening guns in each group;
(2) the workpiece which is pre-tightened manually is conveyed forwards continuously along the assembly line until reaching a tightening station, when an in-place detection switch in the jacking mechanism detects a signal, the workpiece is determined to be in place, then a jacking cylinder is started, a cylinder rod of the jacking cylinder pushes a jacking plate to ascend, a positioning pin on the jacking plate is inserted into the workpiece for positioning, and meanwhile, the workpiece is continuously jacked upwards to a preset position by the jacking plate;
(3) starting an adjusting cylinder, wherein a cylinder rod of the adjusting cylinder pushes a valve seat plate to move downwards along a third sliding rail, and when the valve seat plate descends to a preset position, starting a tightening gun to tighten a bolt on a cylinder body;
(4) after the bolt on the cylinder body is screwed, adjusting a cylinder rod of the cylinder to drive the valve seat plate to move upwards along the third slide rail and return to the initial position;
(5) a jacking cylinder in the jacking mechanism drives a jacking plate to descend, so that the workpiece falls on the production line again and is separated from the jacking plate, and the workpiece is conveyed forwards continuously along with the production line to finish the bolt tightening action;
(6) repeating steps (2) - (5) when the next workpiece on the production line needs to be bolt-tightened;
(7) and (3) when the model of the cylinder body processed on the assembly line changes, repeating the step (1), adjusting the distance between the tightening guns to a proper position, and repeating the steps (2) to (5) to finish the bolt tightening action.
Preferably, in step (3): and a torque angle turning method is adopted when the bolt is screwed by the screwing gun.
The beneficial technical effects of the invention are as follows:
the invention adopts the linear motor and the variable pitch cylinder to adjust the distance between the tightening guns, and is matched with the specific structural arrangement of six adjusting plates and the like, so that the automatic variable pitch stable adjustment of the tightening guns can be realized, and the invention has the advantages of simple adjustment process of the distance between the tightening guns, high precision, high working efficiency and the like.
Drawings
The invention will be further described with reference to the following detailed description and drawings:
fig. 1 is a schematic view of the overall structure of a six-axis automatic variable-pitch type tightening machine of the present invention;
FIG. 2 is a schematic view of the bolt tightening mechanism of the present invention;
FIG. 3 is an upper angled view of FIG. 2;
FIG. 4 is another angular view of the upper portion of FIG. 2;
FIG. 5 is a bottom perspective view of the bolt tightening mechanism of the present invention;
FIG. 6 is a bottom elevational view of FIG. 5;
FIG. 7 is a schematic structural view of a single set of tightening guns in the bolt tightening mechanism of the present invention;
FIG. 8 is a schematic structural diagram of a jacking mechanism according to the present invention;
fig. 9 is a schematic view of the overall structure of the six-axis automatic variable pitch type tightening machine of the present invention mounted on a production line.
Detailed Description
With the attached drawings, the six-axis automatic variable pitch tightening machine comprises a jacking mechanism 1, a bolt tightening mechanism 2 and an adjusting mechanism 3 for driving the bolt tightening mechanism 2 to move up and down. The jacking mechanism 1 comprises a bottom fixing frame 101, the bottom fixing frame 101 is arranged below the assembly line 4, a jacking plate 102 is arranged at the center of the bottom fixing frame 101, and the bottom of the jacking plate 102 is connected with a cylinder rod of a jacking cylinder 103. Positioning pins 104 are provided above both ends of the lifting plate 102, and support columns 105 are provided at the four corners of the lifting plate. The jacking cylinder 103 can drive the jacking plate 102 to move up and down, and the positioning pin 104 is matched with a pin hole of an upper workpiece, so that the positioning function of the upper workpiece to be jacked can be achieved.
The bolt tightening mechanism 2 comprises six tightening guns 201, each tightening gun 201 is independently fixed on one adjusting plate 202, and all six adjusting plates 202 are located in the same horizontal plane. The six tightening guns 201 are divided into three groups, each group comprises two tightening guns, and the whole tightening guns are arranged in two rows. A connecting plate 203 is arranged above two adjusting plates for correspondingly fixing each group of two tightening guns, and correspondingly, three connecting plates 203 are arranged.
The distance between each two tightening guns 201 is adjusted through a variable-pitch cylinder 204, the cylinder body of the variable-pitch cylinder 204 is fixed to the bottom of one adjusting plate, the tail end of a cylinder rod of the variable-pitch cylinder is connected with the other adjusting plate, a first sliding block 205 is arranged on the upper portion of the adjusting plate, a first sliding rail 206 is arranged on the upper portion of the two adjusting plates and corresponds to the bottom of a connecting plate, and the first sliding block 205 is matched with the first sliding rail 206. The adjusting plates can be pushed to move along the first sliding rail 206 through the variable pitch cylinder 204, so that the distance between the two adjusting plates below each connecting plate can be adjusted, and the distance between two tightening guns in each group can be adjusted.
The distance between every two adjacent groups of tightening guns is adjusted through an automatic variable-pitch linear motor 207, three rotors on the automatic variable-pitch linear motor 207 are in transmission connection with three connecting plates respectively, and specifically, each rotor is correspondingly connected with one connecting plate 203 through a transition plate 208. The automatic pitch-changing linear motor 207 is fixed to the valve seat plate 5. The upper portion of the connecting plate 203 is provided with a second slider 209, the valve seat plate 5 is provided with a second slide rail 501, the second slider 209 is matched with the second slide rail 501, and the first slide rail 206 and the second slide rail 501 are vertically arranged. Three connecting plates can be driven to transversely move through the automatic variable-pitch linear motor 207, so that the distance between the three connecting plates can be adjusted, and the adjustment of the distance between each group of tightening guns is realized. Through the variable pitch cylinder and the automatic variable pitch linear motor, the adjustment of the transverse spacing and the longitudinal spacing between adjacent tightening guns can be realized so as to adapt to the bolt tightening requirements of different types of cylinder bodies.
The adjusting mechanism 3 comprises an adjusting cylinder 301 and a top fixing frame 302, a third sliding rail 303 is vertically arranged on the top fixing frame, a side plate 502 is arranged on one side of the valve seat plate 5, a third sliding block 503 is arranged on the outer side surface of the side plate 502, and the third sliding block 503 is matched with the third sliding rail 303. The adjusting cylinder 301 is mounted on the top fixing frame 302, and the end of the rod of the adjusting cylinder 301 is connected with the valve seat plate 5. The valve seat plate 5 can be controlled to move up and down along the third slide rail 303 through the adjusting cylinder 301, and then the adjustment of the vertical position of the tightening gun is realized.
As a further design of the invention, an in-place detection switch 106 for detecting the in-place of the workpiece is further arranged on the bottom fixing frame 101, the in-place detection switch 106 is connected with a control device, and the control device is respectively connected with a jacking cylinder, a tightening gun, a variable pitch cylinder, an automatic variable pitch linear motor and an adjusting cylinder; the control device comprises an electric control system 107 and an air control system 108. Thus, when the workpiece runs in place, the signal can be detected by the in-place detection switch 106, and the jacking cylinder is controlled to perform jacking action, so that the workpiece is positioned and lifted.
Further, the bottom of the adjusting plate is provided with two guide mechanisms 6, one guide mechanism is arranged at the bottom of the three adjusting plates on the same side, and the other guide mechanism is arranged at the bottom of the three adjusting plates on the other side. The guide mechanism 6 includes a guide rod 601, three guide blocks 602 are disposed on the guide rod 601, and each guide block 602 is correspondingly connected to one adjusting plate. Can drive even board 203, and then play the guide effect when driving the motion of adjusting plate to automatic displacement linear electric motor 207 through guiding mechanism 6, further strengthened stability, the precision of interval adjustment between the tightening gun.
Furthermore, the two ends of the valve seat plate 5 are further provided with a limiting block 504 for limiting the movement of the two outer connecting plates. The limiting block 504 can limit the movement of the connecting plate.
The center of the valve seat plate 5 is also provided with a square through hole 505 for six tightening guns to vertically pass through.
An outer frame 7 is arranged outside the jacking mechanism 1, the bolt tightening mechanism 2 and the adjusting mechanism 3.
The invention also provides a variable-pitch tightening method adopting the six-axis automatic variable-pitch tightening machine, which specifically comprises the following steps:
(1) the distance between the six tightening guns 201 is adjusted according to the type of the cylinder to be tightened on the production line, specifically, by starting the automatic variable-pitch linear motor 207, the rotor of the linear motor drives the connecting plate 203 to move along the second slide rail 501, so as to adjust the transverse distance between the tightening guns of each group. Then, by activating the pitch cylinder 204, the lever of the pitch cylinder pushes the adjusting plate 202 to move along the first slide rail 206 to adjust the longitudinal distance between each set of two tightening guns 201.
(2) The workpiece which is pre-tightened manually is conveyed forwards continuously along the assembly line 4 until the workpiece is tightened, when an in-place detection switch 106 in the jacking mechanism detects a signal, the workpiece is determined to be in place, then the jacking cylinder 103 is started, a cylinder rod of the jacking cylinder 103 pushes the jacking plate 102 to ascend, the positioning pin 104 on the jacking plate is inserted into the workpiece for positioning, and meanwhile, the workpiece is jacked upwards to a preset position by the jacking plate.
(3) And starting the adjusting air cylinder 301, wherein a cylinder rod of the adjusting air cylinder pushes the valve seat plate 5 to move downwards along the third slide rail 303, and when the valve seat plate 5 descends to a preset position, starting a tightening gun to tighten the bolt on the cylinder body.
(4) After the bolts on the cylinder body are tightened, the cylinder rod of the adjusting cylinder 301 drives the valve seat plate 5 to move upwards along the third slide rail, and then the valve seat plate returns to the initial position.
(5) The jacking cylinder 103 in the jacking mechanism 1 drives the jacking plate 102 to descend, so that the workpiece falls down again on the production line 4 and is separated from the jacking plate, and the workpiece is conveyed forwards continuously along with the production line 4 to finish the bolt tightening action.
(6) And (5) repeating the steps (2) - (5) when the next workpiece on the assembly line needs to be screwed with the bolt.
(7) And (3) when the model of the cylinder body processed on the assembly line changes, repeating the step (1), adjusting the distance between the tightening guns to a proper position, and repeating the steps (2) to (5) to finish the bolt tightening action.
In the step (3): the torque angle method can be adopted when the bolt is screwed by the screwing gun.
Parts not described in the above modes can be realized by adopting or referring to the prior art.
It is intended that any equivalents, or obvious variations, which may be made by those skilled in the art in light of the teachings herein, be considered within the scope of the present invention.
Claims (7)
1. The utility model provides a machine is screwed up to six automatic displacement types of axle which characterized in that: the device comprises a jacking mechanism, a bolt tightening mechanism and an adjusting mechanism for driving the bolt tightening mechanism to move up and down;
the jacking mechanism comprises a bottom fixing frame, the bottom fixing frame is arranged below the assembly line, a jacking plate is arranged in the center of the bottom fixing frame, the bottom of the jacking plate is connected with a cylinder rod of a jacking cylinder, positioning pins are arranged above two ends of the jacking plate, and supporting columns are arranged at four corners of the jacking plate;
the bolt tightening mechanism comprises six tightening guns, each tightening gun is independently fixed on one adjusting plate, and all the six adjusting plates are located in the same horizontal plane; the six tightening guns are divided into three groups, each group comprises two tightening guns, a connecting plate is arranged above two adjusting plates for correspondingly fixing the two tightening guns of each group, and correspondingly, the connecting plate is provided with three groups;
the distance between each group of two tightening guns is adjusted through a variable-pitch cylinder, a cylinder body of the variable-pitch cylinder is fixed at the bottom of one adjusting plate, the tail end of a cylinder rod of the variable-pitch cylinder is connected with the other adjusting plate, a first sliding block is arranged at the upper part of the adjusting plate, a first sliding rail is arranged above the two adjusting plates and corresponds to the bottom of the connecting plate, and the first sliding block is matched with the first sliding rail;
the distance between every two adjacent groups of tightening guns is adjusted through an automatic variable-pitch linear motor, the rotors on the automatic variable-pitch linear motor are in transmission connection with the connecting plates, each rotor is correspondingly connected with one connecting plate, and the automatic variable-pitch linear motor is fixed on the valve seat plate; a second sliding block is arranged at the upper part of the connecting plate, a second sliding rail is arranged on the valve seat plate, the second sliding block is matched with the second sliding rail, and the first sliding rail and the second sliding rail are vertically arranged;
the adjusting mechanism comprises an adjusting cylinder and a top fixing frame, a third sliding rail is vertically arranged on the top fixing frame, a side plate is arranged on one side of the valve seat plate, a third sliding block is arranged on the outer side surface of the side plate, and the third sliding block is matched with the third sliding rail; the adjusting cylinder is installed on the top fixing frame, and the tail end of a cylinder rod of the adjusting cylinder is connected with the valve seat plate.
2. The six-axis automatic variable-pitch tightening machine according to claim 1, characterized in that: the bottom fixing frame is also provided with an in-place detection switch for detecting the in-place of the workpiece, the in-place detection switch is connected with a control device, and the control device is respectively connected with a jacking cylinder, a tightening gun, a variable pitch cylinder, an automatic variable pitch linear motor and an adjusting cylinder; the control device comprises an electric control system and a pneumatic control system.
3. The six-axis automatic variable-pitch tightening machine according to claim 1, characterized in that: the bottom of the adjusting plate is provided with two guide mechanisms, one of the guide mechanisms is arranged at the bottom of the three adjusting plates on the same side, and the other guide mechanism is arranged at the bottom of the three adjusting plates on the other side; the guide mechanism comprises a guide rod, three guide blocks are arranged on the guide rod, and each guide block is correspondingly connected with one adjusting plate.
4. The six-axis automatic variable-pitch tightening machine according to claim 1, characterized in that: and limiting blocks for limiting the movement of the two connecting plates on the outer side are also arranged at the two ends of the valve seat plate.
5. The six-axis automatic variable-pitch tightening machine according to claim 1, characterized in that: the center of the valve seat plate is provided with a square through hole which is convenient for six screwing guns to vertically penetrate.
6. A six-axis automatic variable-pitch tightening method using the tightening machine according to any one of claims 1 to 5, characterized by comprising the steps of:
(1) firstly, adjusting the distance between six tightening guns according to the model of a cylinder body to be tightened on a production line, specifically, by starting an automatic variable-pitch linear motor, a rotor of the linear motor drives a connecting plate to move along a second slide rail so as to adjust the transverse distance between each group of tightening guns, and then by starting a variable-pitch cylinder, a lever of the variable-pitch cylinder pushes an adjusting plate to move along a first slide rail so as to adjust the longitudinal distance between two tightening guns in each group;
(2) the workpiece which is pre-tightened manually is conveyed forwards continuously along the assembly line until reaching a tightening station, when an in-place detection switch in the jacking mechanism detects a signal, the workpiece is determined to be in place, then a jacking cylinder is started, a cylinder rod of the jacking cylinder pushes a jacking plate to ascend, a positioning pin on the jacking plate is inserted into the workpiece for positioning, and meanwhile, the workpiece is continuously jacked upwards to a preset position by the jacking plate;
(3) starting an adjusting cylinder, wherein a cylinder rod of the adjusting cylinder pushes a valve seat plate to move downwards along a third sliding rail, and when the valve seat plate descends to a preset position, starting a tightening gun to tighten a bolt on a cylinder body;
(4) after the bolt on the cylinder body is screwed, adjusting a cylinder rod of the cylinder to drive the valve seat plate to move upwards along the third slide rail and return to the initial position;
(5) a jacking cylinder in the jacking mechanism drives a jacking plate to descend, so that the workpiece falls on the production line again and is separated from the jacking plate, and the workpiece is conveyed forwards continuously along with the production line to finish the bolt tightening action;
(6) repeating steps (2) - (5) when the next workpiece on the production line needs to be bolt-tightened;
(7) and (3) when the model of the cylinder body processed on the assembly line changes, repeating the step (1), adjusting the distance between the tightening guns to a proper position, and repeating the steps (2) to (5) to finish the bolt tightening action.
7. The six-axis automatic variable-pitch tightening method according to claim 6, wherein in step (3): and a torque angle turning method is adopted when the bolt is screwed by the screwing gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010901230.0A CN112025282A (en) | 2020-08-31 | 2020-08-31 | Six-axis automatic variable-pitch tightening machine and variable-pitch tightening method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010901230.0A CN112025282A (en) | 2020-08-31 | 2020-08-31 | Six-axis automatic variable-pitch tightening machine and variable-pitch tightening method |
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| CN112025282A true CN112025282A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010901230.0A Pending CN112025282A (en) | 2020-08-31 | 2020-08-31 | Six-axis automatic variable-pitch tightening machine and variable-pitch tightening method |
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| Country | Link |
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| CN (1) | CN112025282A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579716A (en) * | 2021-08-23 | 2021-11-02 | 深圳职业技术学院 | Engine bolt multi-shaft synchronous tightening test bed and control method |
| CN113829030A (en) * | 2021-07-08 | 2021-12-24 | 东风马勒热***有限公司 | Device for automatically screwing driving disc |
| CN115213675A (en) * | 2022-08-16 | 2022-10-21 | 苏州高腾智能装备有限公司 | Adjusting method of lock pin clearance adjusting mechanism of camshaft phaser |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201792185U (en) * | 2010-09-26 | 2011-04-13 | 南京斯凯汽车设备制造有限责任公司 | Variable distance tightening device |
| CN201848654U (en) * | 2010-09-15 | 2011-06-01 | 狄军和 | Part detection device of end welding machine |
| CN203197586U (en) * | 2013-01-21 | 2013-09-18 | 王志伟 | Turntable type workbench |
| CN203726112U (en) * | 2014-01-29 | 2014-07-23 | 上海杰先自动化***有限公司 | Automatic screwing machine |
| US9108281B2 (en) * | 2011-03-08 | 2015-08-18 | GM Global Technology Operations LLC | Multi-spindle fastening system |
| CN105438826A (en) * | 2015-12-24 | 2016-03-30 | 广州瑞松科技有限公司 | Assembling method and system for elevator floor door sheet guide shoe |
| CN108838661A (en) * | 2018-07-20 | 2018-11-20 | 上汽通用五菱汽车股份有限公司 | Tightening machine for engine cylinder body |
-
2020
- 2020-08-31 CN CN202010901230.0A patent/CN112025282A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201848654U (en) * | 2010-09-15 | 2011-06-01 | 狄军和 | Part detection device of end welding machine |
| CN201792185U (en) * | 2010-09-26 | 2011-04-13 | 南京斯凯汽车设备制造有限责任公司 | Variable distance tightening device |
| US9108281B2 (en) * | 2011-03-08 | 2015-08-18 | GM Global Technology Operations LLC | Multi-spindle fastening system |
| CN203197586U (en) * | 2013-01-21 | 2013-09-18 | 王志伟 | Turntable type workbench |
| CN203726112U (en) * | 2014-01-29 | 2014-07-23 | 上海杰先自动化***有限公司 | Automatic screwing machine |
| CN105438826A (en) * | 2015-12-24 | 2016-03-30 | 广州瑞松科技有限公司 | Assembling method and system for elevator floor door sheet guide shoe |
| CN108838661A (en) * | 2018-07-20 | 2018-11-20 | 上汽通用五菱汽车股份有限公司 | Tightening machine for engine cylinder body |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829030A (en) * | 2021-07-08 | 2021-12-24 | 东风马勒热***有限公司 | Device for automatically screwing driving disc |
| CN113579716A (en) * | 2021-08-23 | 2021-11-02 | 深圳职业技术学院 | Engine bolt multi-shaft synchronous tightening test bed and control method |
| CN115213675A (en) * | 2022-08-16 | 2022-10-21 | 苏州高腾智能装备有限公司 | Adjusting method of lock pin clearance adjusting mechanism of camshaft phaser |
| CN115213675B (en) * | 2022-08-16 | 2024-03-08 | 苏州高腾智能装备有限公司 | Adjusting method of lock pin clearance adjusting mechanism of cam shaft phaser |
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Application publication date: 20201204 |