CN114179027A - Jack guide sleeve tightening machine - Google Patents
Jack guide sleeve tightening machine Download PDFInfo
- Publication number
- CN114179027A CN114179027A CN202111441105.7A CN202111441105A CN114179027A CN 114179027 A CN114179027 A CN 114179027A CN 202111441105 A CN202111441105 A CN 202111441105A CN 114179027 A CN114179027 A CN 114179027A
- Authority
- CN
- China
- Prior art keywords
- clamping
- guide sleeve
- unit
- jack
- support frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention discloses a jack guide sleeve screwing machine which is suitable for a jack in which a piston rod group and a cylinder barrel are assembled, wherein the head of the cylinder barrel is provided with an internal thread matched with the guide sleeve, the tail of the cylinder barrel is provided with a pin hole lug, the outer edge of a flange of the guide sleeve is provided with a groove, and an operating platform of the screwing machine is provided with: the clamping mechanism is provided with a clamping jaw for clamping the cylinder barrel; the rotation stopping mechanism is arranged on one side of the clamping mechanism and is provided with a clamping unit for clamping the pin hole lug, and a first propelling unit is arranged between the clamping unit and the operating platform; and the tightening mechanism is arranged on the other side of the clamping mechanism and is provided with a tightening unit for screwing the guide sleeve, and a second propelling unit is arranged between the tightening unit and the operating platform. The automatic screwing device is simple in structure and convenient to use, can realize automatic screwing of the jack guide sleeve, effectively reduces labor intensity of workers, and ensures the screw screwing effect and pre-tightening force of the guide sleeve.
Description
Technical Field
The invention relates to the technical field of jack assembly, in particular to a jack guide sleeve tightening machine.
Background
The hydraulic support is one of key equipment for fully mechanized coal mining, and the jack is one of important parts of the hydraulic support, and plays an important role in safe and stable operation of the hydraulic support. The jack assembly mainly comprises the steps of supplied material cleaning, piston rod assembly, cylinder piston rod assembly, guide sleeve screwing, finished product pressure application testing and the like. Wherein, the guide sleeve is screwed up the operation and adopts manual work, namely use latch spanner to screw the guide sleeve screw thread into the cylinder, and pretension. Above-mentioned mode of manual installation uide bushing can't guarantee that the uide bushing screw thread screws up effect and pretightning force, leads to the production efficiency and the assembly quality of jack lower, and workman's intensity of labour is great.
Disclosure of Invention
In order to solve the above problems, the present invention provides a jack guide sleeve tightening machine, which specifically adopts the following technical scheme:
the invention relates to a tightening machine for a jack guide sleeve, which is suitable for a jack formed by combining a piston rod group and a cylinder barrel, wherein the head of the cylinder barrel is provided with an internal thread matched with the guide sleeve, the tail of the cylinder barrel is provided with a pin hole lug, the outer edge of a flange of the guide sleeve is provided with a groove, and an operating table of the tightening machine is provided with a groove
The clamping mechanism is provided with a clamping jaw for clamping the cylinder barrel;
the rotation stopping mechanism is arranged on one side of the clamping mechanism and is provided with a clamping unit for clamping the pin hole lug, and a first propelling unit is arranged between the clamping unit and the operating platform;
and the tightening mechanism is arranged on the other side of the clamping mechanism and is provided with a tightening unit for screwing the guide sleeve, and a second propelling unit is arranged between the tightening unit and the operating platform.
The clamping jaws are arranged in pairs and connected with a drive unit, the drive unit comprises
The first supporting frame is arranged below the clamping jaw;
the sliding frame is connected with the first support frame in a sliding mode and comprises a left frame and a right frame, and the tops of the left frame and the right frame are respectively connected with a clamping jaw;
a drive assembly comprising
The driving cylinder is arranged on the first support frame, and a piston rod of the driving cylinder is connected with the left frame;
the fixed gear is arranged on the first support frame and is positioned between the left frame and the right frame;
one end of the driving rack is meshed with the fixed gear, and the other end of the driving rack is connected with the left frame;
one end of the driven rack is meshed with the fixed gear, and the other end of the driven rack is connected with the right frame.
The operating table is connected with the first support frame through a longitudinal line rail, and the first support frame is further provided with a position adjusting unit.
The clamping mechanisms are provided with two sets.
The chucking unit includes:
the clamping groove is provided with an accommodating cavity, and an opening structure is arranged on one side of the accommodating cavity opposite to the clamping mechanism;
a plurality of groups of clamping assemblies arranged in the accommodating cavity, each clamping assembly comprises
The horizontal clamping plate is arranged close to one side of the opening of the accommodating cavity and is connected with the clamping groove in a sliding manner;
one end of the telescopic guide rod is connected with the horizontal clamping plate, and the other end of the telescopic guide rod is connected with the clamping groove;
and the elastic resetting piece is sleeved on the telescopic guide rod.
The first propulsion unit comprises
The second supporting frame is arranged below the clamping unit and is connected with the clamping unit in a sliding manner;
and the rotation stopping propulsion cylinder is arranged on the second support frame and is connected with the clamping unit.
The second support frame is arranged on the clamping mechanism.
The tightening unit includes
The third support frame is connected with the operating platform in a sliding manner;
the rotary chuck is arranged on the third support frame, is of an annular structure and is provided with a radial groove, and a clamping jaw matched with the groove at the outer edge of the guide sleeve flange is arranged in the radial groove;
and the rotary driving mechanism is arranged on the third supporting frame and used for driving the rotary chuck to rotate.
The clamping jaw is connected with the clamping cylinder; the rotary driving mechanism comprises a gear ring concentrically arranged with the rotary chuck, and the gear ring is meshed with a rotary gear driven by a tightening motor.
The second propulsion unit comprises a screwing propulsion cylinder arranged on the third support frame, and the screwing propulsion cylinder is connected with a limiting block arranged on the operating platform.
The jack guide sleeve screwing machine provided by the invention is simple in structure and convenient to use, can realize automatic screwing of the jack guide sleeve, effectively reduces the labor intensity of workers, ensures the screw screwing effect and the pre-tightening force of the guide sleeve, is stable and reliable in working beat within 180s when being used for an automatic jack assembly production line, meets the assembly line requirement, and obviously improves the screwing efficiency.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the jack to be screwed with the guide sleeve in fig. 1.
Fig. 3 is a transverse view of the clamping mechanism of fig. 1.
Fig. 4 is a schematic structural view of the rotation stopping mechanism of fig. 1.
Fig. 5 is a transverse view of the tightening mechanism of fig. 1.
Fig. 6 is a longitudinal sectional view of fig. 5.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and give detailed implementation manners and specific working procedures, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 to 6, the jack guide bush tightening machine according to the present invention is composed of a clamp mechanism a, a rotation stop mechanism B, and a tightening mechanism C provided on an operation table. The jack Q is suitable for a jack Q (shown in figure 2) formed by combining a cylinder barrel a and a piston rod b, wherein the head of the cylinder barrel a is provided with an internal thread c1 matched with a guide sleeve c, the tail of the cylinder barrel a is provided with a pin hole lug a1, and the flange outer edge of the guide sleeve c is provided with a groove c 2.
The clamping mechanism A comprises a position adjusting unit and clamping jaws connected with a driving unit, and the clamping jaws are arranged in pairs and used for clamping the cylinder barrel a. Specifically, the driving unit comprises a first support frame A101, a bottom plate of the first support frame A101 is connected with the operating platform through a longitudinal line rail A102, a top plate of the first support frame A101 is provided with a transverse slide rail A103, the transverse slide rail A103 is used for connecting a sliding frame of a door-shaped structure, the sliding frame is divided into a left frame A104 and a right frame A105, and the tops of the left frame A104 and the right frame A105 are respectively connected with a clamping jaw A2; in order to enable the clamping jaws to be freely opened and closed, a driving assembly is further mounted on the first support frame A101 and comprises a driving air cylinder A301 horizontally mounted on the left side of the first support frame A101, and a piston rod of the driving air cylinder A301 is connected with the left frame A104; the left frame A104 is further connected with a driving rack A302 which is horizontally arranged, the other end of the driving rack A302 is meshed with a fixed gear A303 which is arranged in the middle of the first support frame A101, and meanwhile, the fixed gear A303 is also meshed with a driven rack A304 which is connected to the right frame A105. The driving rack A302 and the driven rack A304 are meshed with each other and are parallel to each other and are respectively positioned at the top and the bottom of the fixed gear A303; when the piston rod of the driving air cylinder A301 is pushed out, the left frame A104 and the driving rack A302 move rightwards, the fixed gear A303 is driven to rotate, the driven rack A304 and the right frame A105 connected with the driven rack A are moved leftwards, and therefore the clamping jaws A2 are clamped together.
The mode that thereby the cylinder promotes the rack and drives the clamping jaw and embrace the clamp not only can press from both sides the outer disc of the cylinder of different diameters tightly, moreover because gear drive is comparatively accurate, consequently, can fix a position the cylinder axis of different diameters to tightening mechanism C centre of gyration line on, need repeatedly carry out the operation of position adjustment according to the cylinder axis when having avoided tightening mechanism C to tighten.
In general, the clamping mechanism A has two sets, and the clamping jaws of the clamping mechanism A can respectively clamp the head part and the tail part of the cylinder barrel a, so that the clamping is more stable. Therefore, a position adjusting unit is also installed on the bottom plate of the first support frame a101, and the position of the clamping mechanism a on the longitudinal line rail a102 can be adjusted according to the specification of the jack. The position adjusting unit comprises a servo motor A401 arranged above the bottom plate of the first support frame A101, the servo motor A401 is used for driving a position adjusting gear A402 below the bottom plate, and the position adjusting gear A402 is meshed with an adjusting rack A403 which is fixed on the operating platform and is parallel to the longitudinal linear rail A102.
The rotation stopping mechanism B can be directly arranged on the operating platform or arranged on the bottom plate of the first support frame A101 on the right side and longitudinally moves together with the operation platform, so that the adjustment steps can be reduced. The rotation stop mechanism B in the present embodiment has a chucking unit for holding the pin hole ears A1, and a first urging unit provided between the chucking unit and the bottom plate of the first support frame a 101. Specifically, the clamping unit comprises a clamping groove B1 formed by a bottom plate, a left side plate, a right side plate and a rear side plate, so that the accommodating cavity of the clamping groove B1 has an opening structure opposite to the clamping mechanism A; a plurality of groups of clamping assemblies are arranged in the accommodating cavity from top to bottom, and each group of clamping assemblies comprises a horizontal clamping plate B201, a telescopic guide rod B202 and an elastic resetting piece B203. The horizontal clamping plate B201 is slidably mounted in a longitudinal guide groove formed in the left side plate and the right side plate, the horizontal clamping plate B201 is arranged close to one side of an opening of the accommodating cavity, the rear portion of the horizontal clamping plate B201 is connected with a telescopic guide rod B202 horizontally arranged, the tail portion of the telescopic guide rod B202 is fixed on the rear side plate, and an elastic reset piece B203 is sleeved on the telescopic guide rod B202. The first propelling unit comprises a second support frame B301 arranged on the bottom plate of the first support frame A101, and a longitudinal slide rail B302 is arranged on the top surface of the second support frame B301 and is used for connecting the bottom plate of the clamping groove B1; the second support bracket B301 is also provided with a horizontally arranged rotation stopping propulsion cylinder B303, and a piston rod of the rotation stopping propulsion cylinder B303 is connected with a bottom plate of the clamping groove B1.
When the tail pin hole lugs a1 of the cylinder barrel a need to be clamped, the air cylinder B303 is pushed to pull the clamping groove B1 to the pin hole lugs a1 through rotation stopping, along with the shortening of the distance, the pin hole lugs a1 firstly contact with the corresponding horizontal clamping plates B201, then the horizontal clamping plates B201 are pressed to the rear portion of the clamping groove B1, the pin hole lugs a1 enter the accommodating cavity and are clamped between the horizontal clamping plates B201 above and below the accommodating cavity, and the rotation stopping effect is achieved. Due to the action of the elastic reset piece B203, after the pin hole ear a1 exits the accommodating cavity, the telescopic guide rod B202 and the horizontal clamping plate B201 both restore to the original state to be ready for the next rotation stopping.
Considering that different types of cylinder pinhole ears thickness is different, design multiunit chucking subassembly usually, and the interval of chucking subassembly can set up according to actual need. When the rotation stopping is carried out, the pin hole lugs with different thicknesses press the horizontal clamping plates with different numbers and are clamped between the horizontal clamping plates, so that the rotation stopping of the cylinder barrels of the jacks with different types is realized.
The tightening mechanism C is arranged on the other side of the clamping mechanism A relative to the rotation stop mechanism B, is provided with a tightening unit for screwing the guide sleeve, and is provided with a second pushing unit between the tightening unit and the operating table. Specifically, the tightening unit comprises a third support frame C101 slidably mounted on the longitudinal linear rail A102, a rotary chuck C102 in an annular structure is mounted on the third support frame C101 through a crossed roller bearing, and a central circular hole of the rotary chuck C is used for penetrating and sleeving a guide sleeve C; in order to connect the fixed flange sleeve C, four radial grooves corresponding to the flange outer edge grooves C2 of the guide sleeve C are uniformly formed in the rotary chuck C102, a clamping cylinder C103 corresponding to the radial grooves is arranged on the outer circumference of the rotary chuck C102, a piston rod of the clamping cylinder C103 penetrates through the corresponding radial groove, and a T-shaped clamping jaw C104 matched with the flange outer edge groove C2 of the guide sleeve C is arranged at the tail end of the piston rod. The spin chuck C102 is rotated by means of a rotation driving mechanism including a tightening motor C105 mounted on the third support frame C101, and a motor shaft of the tightening motor C105 is mounted with a rotary gear engaged with a ring gear C106 mounted on the spin chuck C102. The ring gear C106 is located inside the third support bracket C101 and is disposed concentrically with the spin chuck C102. The second propulsion unit comprises a screwing propulsion cylinder C107 arranged at the bottom of the third support frame C101 and connected with a limiting block C108 arranged on the operating platform.
In the screwing process, the guide sleeve C is firstly pushed into a central circular hole of the rotary chuck C102, then the clamping cylinder C103 acts to enable the T-shaped clamping jaw C104 to extend out of the clamping guide sleeve C flange outer edge groove C2, and then the screwing motor C105 is started to enable the rotary chuck C102 to rotate to screw the guide sleeve C. During screwing, the thread fastening is realized by low torque, and the screw is pre-tightened by high torque after being screwed in place; and during screwing, the screwing and pushing cylinder C107 pushes the third support frame C101 to feed towards one side of the jack.
Considering that the situation that the threads cannot be fastened or the threads are damaged when the guide sleeve is screwed in, the guide sleeve c is fastened and screwed in by using low torque; if the fastening is not finished, the tightening motor C105 is turned upside down and then screwed in again, and the guide sleeve C is screwed in place and then pre-tightened by adopting large torque. Tightening process parameters such as fastening screwing-in and pre-tightening torque and the like can be automatically adjusted according to product types. The control system adopts real-time dynamic monitoring of the torque force, and the system gives an alarm when the torque value exceeds a set value, so that threads cannot be damaged in the processes of fastening and screwing the guide sleeve.
The control system takes S7-1500 PLC as a controller, takes a Siemens intelligent screen as a human-computer interface, selects a servo motor and an air cylinder as power elements, and carries out position detection through a magnetic and proximity switch. And the screwing process parameters are stored in the smart screen formula, the jack type is read through the RFID on the material frame, and the screwing process data of the corresponding type cylinder barrel in the formula is loaded. The control system controls the servo motor and the air cylinder to be driven according to the parameters, and the processes of clamping, rotation stopping and screwing are achieved. In the whole process, the control system carries out real-time monitoring and fault alarming on the equipment state, the torque data and the like.
The working process of the invention is as follows: firstly, reading the type of a jack to be assembled by a control system; secondly, loading corresponding screwing-down process parameters in the process formula by a control system PLC according to the type of the jack; subsequently, the clamping mechanism A adjusts the position of the clamping mechanism A on the longitudinal line rail A102 according to the parameters, and receives the materials from the robot, so that the clamping jaw A2 clamps the jack cylinder a; then, the rotation stopping mechanism B clamps the pin hole lug a1 to stop the rotation of the cylinder barrel a; and finally, the clamping mechanism A transfers the jack to a rotary chuck C102, the T-shaped clamping jaw C104 clamps the guide sleeve C tightly, and then the tightening mechanism C screws the guide sleeve C into the cylinder barrel a and performs pre-tightening, and finally the tightening of the guide sleeve C is completed.
The invention realizes the automatic screwing of the jack guide sleeve, can be compatible with most types of jacks at present, and lightens the labor intensity of workers. When the automatic assembling device is used in an automatic assembling production line of the jack, the working beat can be stabilized within 180s, and the automatic assembling device is stable and reliable and meets the requirements of the assembling line. Meanwhile, the invention can also be used in other types of production lines to solve the problem of screwing other threaded workpieces.
It should be noted that in the description of the present invention, terms of orientation or positional relationship such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (10)
1. The utility model provides a jack uide bushing machine of screwing up, is applicable to the jack that piston rod group attaches together the completion with the cylinder, the head of cylinder is provided with the internal thread with uide bushing looks adaptation, and the afterbody of cylinder is provided with the pinhole ear, just be provided with recess, its characterized in that on the flange outer fringe of uide bushing: the operating platform of the tightening machine is provided with
The clamping mechanism is provided with a clamping jaw for clamping the cylinder barrel;
the rotation stopping mechanism is arranged on one side of the clamping mechanism and is provided with a clamping unit for clamping the pin hole lug, and a first propelling unit is arranged between the clamping unit and the operating platform;
and the tightening mechanism is arranged on the other side of the clamping mechanism and is provided with a tightening unit for screwing the guide sleeve, and a second propelling unit is arranged between the tightening unit and the operating platform.
2. The jack guide sleeve tightening machine according to claim 1, characterized in that: the clamping jaws are arranged in pairs and connected with a drive unit, the drive unit comprises
The first supporting frame is arranged below the clamping jaw;
the sliding frame is connected with the first support frame in a sliding mode and comprises a left frame and a right frame, and the tops of the left frame and the right frame are respectively connected with a clamping jaw;
a drive assembly comprising
The driving cylinder is arranged on the first support frame, and a piston rod of the driving cylinder is connected with the left frame;
the fixed gear is arranged on the first support frame and is positioned between the left frame and the right frame;
one end of the driving rack is meshed with the fixed gear, and the other end of the driving rack is connected with the left frame;
one end of the driven rack is meshed with the fixed gear, and the other end of the driven rack is connected with the right frame.
3. The jack guide sleeve tightening machine according to claim 2, characterized in that: the operating table is connected with the first support frame through a longitudinal line rail, and the first support frame is further provided with a position adjusting unit.
4. The jack guide sleeve tightening machine according to claim 1, characterized in that: the clamping mechanisms are provided with two sets.
5. The jack guide sleeve tightening machine according to claim 1, characterized in that: the clamping unit comprises
The clamping groove is provided with an accommodating cavity, and an opening structure is arranged on one side of the accommodating cavity opposite to the clamping mechanism;
a plurality of groups of clamping assemblies arranged in the accommodating cavity, each clamping assembly comprises
The horizontal clamping plate is arranged close to one side of the opening of the accommodating cavity and is connected with the clamping groove in a sliding manner;
one end of the telescopic guide rod is connected with the horizontal clamping plate, and the other end of the telescopic guide rod is connected with the clamping groove;
and the elastic resetting piece is sleeved on the telescopic guide rod.
6. The jack guide sleeve tightening machine according to claim 1, characterized in that: the first propulsion unit comprises
The second supporting frame is arranged below the clamping unit and is connected with the clamping unit in a sliding manner;
and the rotation stopping propulsion cylinder is arranged on the second support frame and is connected with the clamping unit.
7. The jack guide sleeve tightening machine according to claim 6, characterized in that: the second support frame is arranged on the clamping mechanism.
8. The jack guide sleeve tightening machine according to claim 1, characterized in that: the tightening unit includes
The third support frame is connected with the operating platform in a sliding manner;
the rotary chuck is arranged on the third support frame, is of an annular structure and is provided with a radial groove, and a clamping jaw matched with the groove at the outer edge of the guide sleeve flange is arranged in the radial groove;
and the rotary driving mechanism is arranged on the third supporting frame and used for driving the rotary chuck to rotate.
9. The jack guide sleeve tightening machine according to claim 8, characterized in that: the clamping jaw is connected with the clamping cylinder; the rotary driving mechanism comprises a gear ring concentrically arranged with the rotary chuck, and the gear ring is meshed with a rotary gear driven by a tightening motor.
10. The jack guide sleeve tightening machine according to claim 8, characterized in that: the second propulsion unit comprises a screwing propulsion cylinder arranged on the third support frame, and the screwing propulsion cylinder is connected with a limiting block arranged on the operating platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441105.7A CN114179027A (en) | 2021-11-30 | 2021-11-30 | Jack guide sleeve tightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441105.7A CN114179027A (en) | 2021-11-30 | 2021-11-30 | Jack guide sleeve tightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114179027A true CN114179027A (en) | 2022-03-15 |
Family
ID=80603024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111441105.7A Pending CN114179027A (en) | 2021-11-30 | 2021-11-30 | Jack guide sleeve tightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114179027A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918664A (en) * | 2022-06-01 | 2022-08-19 | 郑煤机智鼎液压有限公司 | Automatic assembling system and assembling method for hydraulic jack |
-
2021
- 2021-11-30 CN CN202111441105.7A patent/CN114179027A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918664A (en) * | 2022-06-01 | 2022-08-19 | 郑煤机智鼎液压有限公司 | Automatic assembling system and assembling method for hydraulic jack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211540275U (en) | Lathe for turning large shaft and self-centering center frame thereof | |
| CN209681682U (en) | A kind of electronically controlled unit pump special plane boring grab | |
| CN211661532U (en) | But angle regulation's jig | |
| CN114179027A (en) | Jack guide sleeve tightening machine | |
| CN113118747B (en) | Large-diameter end cover propelling mechanism, assembly method and press-fitting and screwing equipment | |
| CN210968933U (en) | Quick accurate automatic assembly machine | |
| CN216634209U (en) | Jack guide sleeve tightening machine | |
| CN213068513U (en) | Gear torsion detection tool of process robot | |
| CN214054457U (en) | Electric automatization fixture | |
| CN213728725U (en) | Coiling machine with simple structure | |
| CN102430768B (en) | There is the lathe of secondary main shaft | |
| CN210413321U (en) | Steel pipe machining welding set | |
| CN217964917U (en) | Machine tool special for machining mechanical spare and accessory parts | |
| CN215942154U (en) | Positioning fixture for machining | |
| CN210172957U (en) | Automation equipment of large-scale nut top spin | |
| CN110640491B (en) | Self-locking workpiece clamping device | |
| CN211305575U (en) | Workpiece pressing device | |
| CN210732485U (en) | Manipulator clamp | |
| CN210099812U (en) | Main bearing cap adds clamping apparatus | |
| CN218311840U (en) | Automatic assembling table for output rod assembly | |
| CN216006051U (en) | Rotating structure of titanium plating device for processing anode connecting rod | |
| CN210499155U (en) | Screw locking mechanism for automatic assembly robot | |
| CN211276542U (en) | Protection mechanism of numerical control lathe | |
| CN220362594U (en) | Mechanical claw capable of grabbing and screwing | |
| CN217756448U (en) | Low-speed engine piston head automatic lifting tool convenient to lift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |