CN218341458U - Oil cylinder piston tightening device - Google Patents
Oil cylinder piston tightening device Download PDFInfo
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- CN218341458U CN218341458U CN202222236151.XU CN202222236151U CN218341458U CN 218341458 U CN218341458 U CN 218341458U CN 202222236151 U CN202222236151 U CN 202222236151U CN 218341458 U CN218341458 U CN 218341458U
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- sliding table
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Abstract
A cylinder piston tightening device comprises a first transmission device for transmitting a piston rod, a piston rod clamping device and an assembling mechanism for assembling a piston; the assembling mechanism comprises a first rotating clamping jaw and a first driving device; the first driving device is erected beside the first transmission device, and the driving end of the first driving device is connected with the first rotating clamping jaw and drives the first rotating clamping jaw to move in the horizontal or vertical direction; the piston rod clamping device comprises a second transmission device, a lifting device and a second rotary clamping jaw, wherein the second transmission device is used for being matched with the first transmission device to transmit the piston rod; the second transmission device is arranged beside the first transmission device, the lifting device and the second rotating clamping jaw are erected on the second transmission device, and the lifting device is connected with the second rotating clamping jaw. According to the device, in the oil cylinder assembling process, the piston rod and the piston are automatically assembled, so that the labor cost is reduced, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a hydro-cylinder assembly field especially relates to a device is screwed up to hydro-cylinder piston.
Background
In the installation assembling process of large-scale hydro-cylinder, after the piston embolias the piston rod, need screw up at the piston rod that is equipped with the piston, just can carry out the assembly on next step of hydro-cylinder after screwing up: the assembled piston rod is installed into the cylinder barrel, the piston and the piston rod of the existing large-scale oil cylinder are generally assembled in a manual installation mode, the weight of the piston rod is generally more than 20kg, the production efficiency is low due to the adoption of the manual installation mode, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
At hydro-cylinder assembling process, screw up on the piston rod for the piston is automatic, improve the assembly efficiency of piston, reduce the cost of labor, the utility model discloses a following technical scheme:
a cylinder piston tightening device comprises a first transmission device for transmitting a piston rod, a piston rod clamping device and an assembling mechanism for assembling a piston;
the assembling mechanism comprises a first rotating clamping jaw and a first driving device; the first driving device is erected beside the first transmission device, and the driving end of the first driving device is connected with the first rotating clamping jaw and drives the first rotating clamping jaw to move in the horizontal or vertical direction;
the piston rod clamping device comprises a second transmission device, a lifting device and a second rotary clamping jaw, wherein the second transmission device is used for being matched with the first transmission device to transmit the piston rod; the second transmission device is arranged beside the first transmission device, the lifting device and the second rotating clamping jaw are erected on the second transmission device, and the lifting device is connected with the second rotating clamping jaw.
Specifically, the first transmission device comprises a first bearing bracket, a second bearing bracket and a third bearing bracket;
the first bearing support is provided with a carrier plate, a sliding assembly is mounted on the carrier plate, the second bearing support is mounted on the sliding assembly, the sliding assembly drives the second bearing support to move in the horizontal direction, the bottom of the carrier plate is connected with a second driving device, and the second driving device drives the carrier plate to move in the vertical direction;
the third bearing bracket is arranged on the second bearing bracket through the fine adjustment device;
the first bearing support, the second bearing support and the third bearing support are all provided with V-shaped bearing seats.
Specifically, the sliding assembly is a gear rack sliding module.
Specifically, the fine adjustment device comprises a slide rail, a fixed block and a screw rod; the sliding table is mounted on the sliding rail, the bottom surface of the third bearing support is fixedly connected with the sliding table, a threaded hole is formed in the fixing block, and one end of the screw rod penetrates through the threaded hole and then is connected with the third bearing support.
Specifically, the first driving device comprises an L-shaped support, a first gear rack sliding table module arranged on the side surface of the L-shaped support, and a second gear rack sliding table module arranged on the first support; the bottom surface of the L-shaped support is connected with a sliding table of a second gear tooth rack sliding table module, and the second gear tooth rack sliding table module drives the L-shaped support to move in the horizontal direction; the second support is connected with the sliding table of the first gear rack sliding table module, and the second gear rack sliding table module drives the second support to move in the vertical direction.
Specifically, the first rotary clamping jaw comprises a clamping jaw body and a rotary motor for driving the clamping jaw body to rotate; the clamping jaw body comprises two clamping jaw arms and a clamping jaw driving mechanism, and the clamping jaw driving mechanism is connected with the two clamping jaw arms and can drive the two clamping jaw arms to be close to or far away from each other simultaneously. The clamping jaw driving mechanism is arranged in the first connecting sleeve and is coaxially connected with the first connecting sleeve, the rotating motor is arranged on the first connecting sleeve, the driving end of the rotating motor is connected with a main gear, the clamping jaw driving mechanism is coaxially connected with a secondary gear, and the main gear is meshed with the secondary gear.
Specifically, the clamping jaw driving mechanism comprises a sliding rail, a gear motor, a gear and a second connecting sleeve; the two clamping jaw arms are respectively connected with a sliding rail in a sliding manner, the sliding rail is arranged in the second connecting sleeve, two upper racks and two lower racks which are distributed in parallel up and down are respectively arranged on the fixing surface of the sliding rail, the upper racks and the lower racks are respectively meshed with a gear, the gear motor is arranged on the second connecting sleeve, and the driving end of the gear motor penetrates through the second connecting sleeve and then is connected with the gear; the driving end of the rotating motor is coaxially connected with the second connecting sleeve and drives the second connecting sleeve to rotate.
Specifically, a positioning pin is mounted on the end face of each clamping jaw arm, and the positioning pin is matched with a positioning pin hole in the piston.
Specifically, the second transmission device comprises a bottom frame, a top frame and a bearing platform; the bottom frame is arranged beside the first bearing support, a third gear rack sliding table module is arranged on the bottom frame, a V-shaped bearing seat is arranged on the top frame, the top frame is arranged on the third gear rack sliding table module, and the driving direction of the third gear rack sliding table module is a horizontal longitudinal direction and is vertical to the driving direction of the sliding assembly; the top frame is provided with a fourth gear rack sliding table module, the bearing platform is arranged on the fourth gear rack sliding table module, and the driving direction of the fourth gear rack sliding table module is also the horizontal longitudinal direction and is parallel to the driving direction of the third gear rack sliding table module.
Specifically, the second rotating clamping jaw is the same as the first rotating clamping jaw in structure, a third support is mounted on the bearing platform, the lifting device is a screw sliding table mounted on the third support, an L-shaped connecting plate is connected to the sliding table of the screw sliding table, one end of the L-shaped connecting plate is fixedly connected with the second rotating clamping jaw, and the driving direction of the screw sliding table is vertical.
To sum up, the utility model has the advantages of it is following: according to the device, in the oil cylinder assembling process, the piston rod and the piston are automatically assembled, the labor cost is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a first transfer device (FIG. 8D) of a cylinder piston tightening apparatus;
FIG. 2 is a schematic view showing an internal structure of a first transfer device (FIG. 8D) in a cylinder piston tightening apparatus;
FIG. 3 is a side view of a first transfer device (FIG. 8D) of a cylinder piston tightening apparatus;
FIG. 4 is a schematic view of an assembling mechanism (FIG. 8E) in the cylinder piston tightening apparatus;
FIG. 5 is an enlarged view of the structure of FIG. 4A;
FIG. 6 is a side view of the structure of FIG. 4A;
FIG. 7 is a schematic view of the piston construction;
FIG. 8 is a schematic view showing a structure of a cylinder piston tightening apparatus;
FIG. 9 is a schematic view showing a piston rod clamping device in a cylinder piston tightening device;
fig. 10 is a schematic view of the structure of the second transfer device (fig. 8C) in the piston rod gripping device;
FIG. 11 is a rear view of the structure of FIG. 9B;
FIG. 12 is an enlarged view of the structure of FIG. 9B;
reference numerals are as follows: 1 a first load-bearing support; 2 a third load-bearing support; 201, a sliding rail; 202, fixing blocks; 203. a screw; 3 a second load-bearing support; 301 a rack; 302 sliding rails; 303, a motor; 304 oil cylinders; 305 a gear; a 4V-shaped bearing seat; 5, carrying a plate; 601 a first gear rack sliding table module; a 602L-shaped bracket; 603 a second gear tooth rack sliding table module; 604 a second support; 7 a first support; 801 locating pins; 802 a first coupling sleeve; 803. a second connecting sleeve; 804 a slide rail; 805 an upper rack; 806 a gripper arm; 807 a gear motor; 808 rotating the electric machine; 809 gears; 810 a lower rack; 811 secondary gear; 812 a main gear; 9 second transmission means; 901 a top frame; 902 a fourth rack and pinion slip table module; 903 a load-bearing platform; 904 a chassis; 905 a third gear rack sliding table module; 11 positioning pin holes; 1001 second rotating jaw; 1002L-shaped connecting plate; 1003 third support; 1004. a lifting device.
Detailed Description
The present invention will be further described with reference to fig. 1 to 12.
A cylinder piston tightening device comprises a first transmission device for transmitting a piston rod, a piston rod clamping device and an assembling mechanism for assembling a piston;
the first transmission device comprises a first bearing bracket 1, a second bearing bracket 3 and a third bearing bracket 2; a row of V-shaped bearing seats 4 with the same interval are arranged on the first bearing bracket 1, the second bearing bracket 3 and the third bearing bracket 2. Each V-shaped bearing seat 4 can be used for bearing a piston rod. The first bearing support 1 is fixed, and the second bearing support 3 and the third bearing support 2 are matched with each other to bear the piston rod and transmit the piston rod.
In order to realize the function of mutually matching the second bearing support 3 and the third bearing support 2 for conveying the piston rod, a carrier plate 5 is arranged on the first bearing support 1, a sliding assembly is arranged on the carrier plate 5, the sliding assembly is a gear rack sliding module, the second bearing support 3 is arranged on a sliding table of the gear rack sliding module, and a stepping motor of the gear rack sliding module works, so that the second bearing support 3 can move in the horizontal direction relative to the first bearing plate 5. In addition, a second driving device is connected to the bottom of the carrier plate 5, wherein the second driving device is an oil cylinder 304, and the second driving device drives the carrier plate 5 to move in the vertical direction. When the piston rod needs to be transmitted, the second bearing support 3 is driven to rise through the second driving device, then the second bearing support 3 is moved horizontally through the sliding assembly until the V-shaped bearing seat 4 on the second bearing support 3 is aligned with the V-shaped bearing seat 4 on the first bearing support 1, and then the second driving device drives the second bearing support 3 to descend to transmit the piston rod to the V-shaped bearing seat 4 on the other first bearing support 1.
Due to the different dimensions of the piston rods, the third carrier bracket 2 is mounted on the second carrier bracket 3 by means of a fine adjustment device. The fine adjustment device can adjust the distance between the third carrier bracket 2 and the second carrier bracket 3. The fine adjustment device comprises a slide rail 201, a fixed block 202 and a screw 203; a sliding table is mounted on the sliding rail 201, the bottom surface of the third bearing support 2 is fixedly connected with the sliding table, a threaded hole is formed in the fixing block 202, and one end of the screw rod 203 penetrates through the threaded hole and then is connected with the third bearing support 2. The third carriage frame 2 can be moved on the slide rails 201 by rotating the screw 203 clockwise or counterclockwise, thereby shortening or increasing the distance between the third carriage frame 2 and the second carriage frame 3.
The assembly mechanism comprises a first rotating clamping jaw, a first driving device and a camera. The assembly mechanism is mainly used for screwing the piston onto the piston rod.
The first driving device is used for driving the clamping jaw to move in the horizontal or vertical direction. The first driving device comprises an L-shaped support 602, a first gear rack sliding table module 601 arranged on the side surface of the L-shaped support 602, and a second gear rack sliding table module 603 arranged on the first support 9; the bottom surface of the L-shaped bracket 602 is connected with a sliding table of the second gear tooth rack sliding table module 603, and the second gear tooth rack sliding table module 603 drives the L-shaped bracket 602 to move in the horizontal direction; the second bracket 604 is connected to the sliding table of the first gear rack sliding table module 601, and the second gear rack sliding table module 603 drives the second bracket 604 to move in the vertical direction.
The first rotary clamping jaw comprises a clamping jaw body and a rotary motor for driving the clamping jaw body to rotate; the jaw body includes two jaw arms 806 and a jaw drive mechanism. Here, a positioning pin 801 is attached to an end surface of each gripper arm 806 in order to fit into a positioning pin hole in the piston. The clamping jaw driving mechanism comprises a sliding rail 804, a gear motor, a gear, a v-shaped connecting sleeve 803 and a V-shaped connecting sleeve 803; the sliding rail 804 is installed in the second connecting sleeve 803, one end of each of the two jaw arms 806 is slidably connected with the sliding rail 804 through a sliding sleeve, two upper racks 805 and two lower racks 810 which are distributed in parallel up and down are installed on the fixing surface of the sliding rail 804, the upper racks 805 and the lower racks 810 are respectively engaged with the gear, the gear motor is installed on the second connecting sleeve 803, and the driving end of the gear motor 807 penetrates through the second connecting sleeve 803 and then is connected with the gear; one end of the second connecting sleeve 803 is connected with a rotating shaft through a bearing seat, the rotating shaft is sleeved in the first connecting sleeve 802, a secondary gear 811 is connected to the rotating shaft and the secondary gear 811 is arranged in the first connecting sleeve 802, the rotating motor is arranged on the extended end of the bottom of the first connecting sleeve 802, a main gear 812 is connected to the driving end of the rotating motor after penetrating through the first connecting sleeve 802, and the main gear 812 is meshed with the secondary gear 811. When the rotating motor rotates, the main gear 812 is driven to rotate, so as to drive the sub-gear 811 to rotate, and finally the second connecting sleeve 803 is driven to rotate to drive the clamping jaws to rotate. The jaw drive mechanism drives the two jaw arms 806 toward or away from each other simultaneously, thereby clamping or unclamping the piston rod.
The camera is used for shooting the position of the limiting pin hole in the piston, so that the first rotating clamping jaw rotates, the limiting pin can be aligned to the limiting pin hole, and the piston is screwed down next step.
In order to limit the position of the fixed piston rod at the other end of the piston rod during the tightening of the piston, a piston rod clamping device is provided. The piston rod clamping device comprises a second transmission device 9 for transmitting the piston rod in cooperation with the first transmission device, a lifting device 1004 and a second rotating clamping jaw 1001.
Due to the non-uniform length of the piston rods, a second transfer device 9 is required to adjust the distance between the second rotating jaw 1001 and the first transfer device. The second transmission device 9 comprises a bottom frame 904, a top frame 901 and a bearing platform 903; chassis 904 sets up by first bearing support, installs third gear rack slip table module 905 on chassis 904, installs the V type on the roof-rack 901 and bears the seat, and the V type on the roof-rack 901 bears the seat and bears the seat cooperation with the V type on the first drive arrangement to use for bear the piston rod. The top frame 901 is installed on the third gear and rack sliding table module 905, the driving direction of the third gear and rack sliding table module 905 is the horizontal longitudinal direction and is perpendicular to the driving direction of the sliding assembly, and the longitudinal distance between the top frame 901 and the first bearing support can be adjusted through the third gear and rack sliding table module 905.
A fourth gear and rack sliding table module 902 is mounted on the top frame 901, the bearing platform 903 is mounted on the fourth gear and rack sliding table module 902, and the driving direction of the fourth gear and rack sliding table module 902 is also the horizontal longitudinal direction and is parallel to the driving direction of the third gear and rack sliding table module 905. The second rotating jaw 1001 has the same structure as the first rotating jaw except that the jaw arms have different structures. A stopper pin is also installed on the jaw arm of the second rotating jaw 1001, and the position of the stopper pin is consistent with the position of a stopper pin hole on the tail end of the piston rod. The third support 1003 is installed on the bearing platform 903, the lifting device 1004 is a screw rod sliding table installed on the third support 1003, an L-shaped connecting plate 1002 is connected to the sliding table of the screw rod sliding table, one end of the L-shaped connecting plate 1002 is fixedly connected with the first connecting sleeve 802 of the second rotary clamping jaw 1001, and the driving direction of the screw rod sliding table is vertical. Further, the longitudinal distance between the second rotating bracket and the first carrying bracket can be adjusted through the fourth rack-and-pinion sliding table module 902, and then the height of the second rotating clamping jaw 1001 in the vertical direction is adjusted through the lifting device 1004, so as to adapt to and limit the position of the piston rod.
The working process of the oil cylinder piston tightening device is as follows: the position between a top seat and a first transmission device in a piston rod clamping device is adjusted, then a piston rod is longitudinally placed on a V-shaped bearing seat of two devices, the piston rod is transmitted to a preset assembly position through the first transmission device, then the position of a limiting pin hole in a piston is shot through a camera in an assembly mechanism, a first driving device is controlled to adjust the position of a first rotary clamping jaw, then the first rotary clamping jaw rotates and inserts the limiting pin into the limiting pin hole in the piston to be screwed, meanwhile, the position of a second rotary clamping jaw 1001 is adjusted through the piston rod clamping device to enable the second rotary clamping jaw to clamp the tail end of the piston rod, and therefore it is guaranteed that the piston rod cannot rotate when the second rotary clamping jaw 1001 screws the piston.
The device has the advantages that: according to the device, in the oil cylinder assembling process, the piston rod and the piston are automatically assembled, the labor cost is reduced, and the production efficiency is improved.
It should be understood that the above detailed description of the present invention is only for illustrative purposes and is not limited to the technical solutions described in the embodiments of the present invention. It will be understood by those skilled in the art that the present invention may be modified and equivalents may be substituted to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (10)
1. The device for screwing the piston of the oil cylinder is characterized by comprising a first transmission device for transmitting the piston rod, a piston rod clamping device and an assembling mechanism for assembling the piston;
the assembling mechanism comprises a first rotating clamping jaw and a first driving device; the first driving device is erected beside the first transmission device, and the driving end of the first driving device is connected with the first rotating clamping jaw and drives the first rotating clamping jaw to move in the horizontal or vertical direction;
the piston rod clamping device comprises a second transmission device, a lifting device and a second rotary clamping jaw, wherein the second transmission device is used for being matched with the first transmission device to transmit the piston rod; the second transmission device is arranged beside the first transmission device, the lifting device and the second rotary clamping jaw are erected on the second transmission device, and the lifting device is connected with the second rotary clamping jaw.
2. The cylinder piston tightening apparatus of claim 1, wherein the first transfer device includes a first load bearing bracket, a second load bearing bracket, and a third load bearing bracket;
the first bearing support is provided with a carrier plate, a sliding assembly is mounted on the carrier plate, the second bearing support is mounted on the sliding assembly, the sliding assembly drives the second bearing support to move in the horizontal and transverse directions, the bottom of the carrier plate is connected with a second driving device, and the second driving device drives the carrier plate to move in the vertical direction;
the third bearing bracket is arranged on the second bearing bracket through a fine adjustment device;
the first bearing support, the second bearing support and the third bearing support are all provided with V-shaped bearing seats.
3. The cylinder piston tightening apparatus of claim 2, wherein the slide assembly is a rack and pinion slide module.
4. The oil cylinder piston tightening device according to claim 2, wherein the fine adjustment device comprises a slide rail, a fixed block and a screw rod; the sliding table is installed on the sliding rail, the bottom surface of the third bearing support is fixedly connected with the sliding table, a threaded hole is formed in the fixed block, and one end of the screw rod penetrates through the threaded hole and then is connected with the third bearing support.
5. The oil cylinder piston tightening device according to claim 1, wherein the first driving device comprises an L-shaped bracket, a first gear rack sliding table module arranged on the side surface of the L-shaped bracket, and a second gear rack sliding table module arranged on the first bracket;
the bottom surface of the L-shaped support is connected with a sliding table of the second gear tooth rack sliding table module, and the second gear tooth rack sliding table module drives the L-shaped support to move in the horizontal direction;
the second support is connected with the sliding table of the first gear rack sliding table module, and the second gear rack sliding table module drives the second support to move in the vertical direction.
6. The cylinder piston tightening device of claim 1, wherein the first rotating jaw comprises a jaw body, a rotating motor driving the jaw body to rotate; the clamping jaw body comprises two clamping jaw arms and a clamping jaw driving mechanism, and the clamping jaw driving mechanism is connected with the two clamping jaw arms and can drive the two clamping jaw arms to approach to or move away from each other simultaneously;
clamping jaw actuating mechanism sets up in first connecting sleeve, and with first connecting sleeve coaxial coupling, the rotating electrical machines install in on the first connecting sleeve, the drive end of rotating electrical machines is connected with the master gear, the last coaxial coupling of clamping jaw actuating mechanism has secondary gear, the master gear with secondary gear engagement.
7. The oil cylinder piston tightening device as claimed in claim 6, wherein the jaw driving mechanism comprises a slide rail, a gear motor, a gear and a v-21274; the sliding rail is arranged in the second connecting sleeve, the two clamping jaw arms are respectively connected with the sliding rail in a sliding manner, two upper racks and two lower racks which are distributed in parallel up and down are respectively arranged on the fixed surface of the sliding rail, the upper racks and the lower racks are respectively meshed with a gear, the gear motor is arranged on the second connecting sleeve, and the driving end of the gear motor penetrates through the second connecting sleeve and then is connected with the gear; the driving end of the rotating motor is coaxially and fixedly connected with the second connecting sleeve and drives the second connecting sleeve to integrally rotate.
8. A cylinder piston tightening device as claimed in claim 6, wherein a locating pin is mounted on the end face of each gripper arm, the locating pin engaging with a locating pin hole in the piston.
9. The cylinder piston tightening device according to claim 2, wherein the second transmission device comprises a bottom frame, a top frame and a bearing platform; the chassis is arranged beside the first bearing support, and a third gear rack sliding table module is arranged on the chassis; the top frame is provided with a V-shaped bearing seat, the top frame is arranged on the third gear rack sliding table module, and the driving direction of the third gear rack sliding table module is the horizontal longitudinal direction and is vertical to the driving direction of the sliding assembly; the top frame is provided with a fourth gear rack sliding table module, the bearing platform is arranged on the fourth gear rack sliding table module, and the driving direction of the third gear rack sliding table module is also the horizontal longitudinal direction and is parallel to the driving direction of the third gear rack sliding table module.
10. The oil cylinder piston tightening device according to claim 9, wherein the second rotating clamping jaw is identical to the first rotating clamping jaw in structure, the bearing platform is provided with a third support, the lifting device is a screw sliding table arranged on the third support, an L-shaped connecting plate is connected to the sliding table of the screw sliding table, one end of the L-shaped connecting plate is fixedly connected with the second rotating clamping jaw, and the driving direction of the screw sliding table is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222236151.XU CN218341458U (en) | 2022-08-24 | 2022-08-24 | Oil cylinder piston tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222236151.XU CN218341458U (en) | 2022-08-24 | 2022-08-24 | Oil cylinder piston tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218341458U true CN218341458U (en) | 2023-01-20 |
Family
ID=84917027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222236151.XU Active CN218341458U (en) | 2022-08-24 | 2022-08-24 | Oil cylinder piston tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218341458U (en) |
-
2022
- 2022-08-24 CN CN202222236151.XU patent/CN218341458U/en active Active
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