CN111098121A - Bolt assembly equipment of buffer block - Google Patents
Bolt assembly equipment of buffer block Download PDFInfo
- Publication number
- CN111098121A CN111098121A CN201911409892.XA CN201911409892A CN111098121A CN 111098121 A CN111098121 A CN 111098121A CN 201911409892 A CN201911409892 A CN 201911409892A CN 111098121 A CN111098121 A CN 111098121A
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- China
- Prior art keywords
- bolt
- station
- buffer block
- gasket
- assembling
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
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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
- B23P19/001—Article feeders for assembling machines
-
- 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
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
-
- 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
- B23P19/08—Machines for placing washers, circlips, or the like on bolts or other members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses bolt assembling equipment for a buffer block, which comprises a bolt clamping assembly, a fixing tool for installing the buffer block and a pre-assembling disc connected with a feeding device, wherein a plurality of installation seats are arranged on the pre-assembling disc, grooves matched with gasket structures are formed in the top surfaces of the installation seats, placing holes for inserting screws of bolts are formed in the bottom surfaces of the grooves, a first signal transmitter and a second signal transmitter are arranged above the pre-assembling disc, signal receiving assemblies are correspondingly arranged on the periphery of the pre-assembling disc, light beams emitted by the first signal transmitter penetrate into a first notch from the bottom surface of the groove, light beams emitted by the second signal transmitter penetrate through a second notch, the gasket and the bolts are conveyed to the installation seats through the feeding device to be assembled, and the clamping assembly clamps the assembled bolt to press the buffer block into the fixing tool. The pre-assembly of the gasket and the bolt can be realized, and the buffer block is pressed, so that the whole process is mechanical and automatic.
Description
Technical Field
The invention relates to the field of assembly of automobile parts, in particular to bolt assembly equipment for a buffer block.
Background
The automobile tail gate is a safety device for protecting the rear part of the automobile body. The automobile tail door not only bears the attractive appearance effect of the rear part of the automobile, but also is a safety protection part of the rear part of the automobile; firstly, in the driving process of an automobile, the bumping road condition causes the collision of a tail gate and an automobile body, and a buffer block is needed to reduce the stress and the noise; secondly the matching clearance of tail-gate and automobile body needs the buffer block to possess regulatory function and waterproof function.
The invention relates to a bolt with a metal gasket, which is assembled on an automobile tail door buffer block. As shown in fig. 1, a mounting hole is provided in the surface of the buffer block 03, and a washer 01 and a bolt 02 are fitted into the mounting hole. The currently used processing method has high labor cost, low assembly efficiency, wrong assembly, neglected assembly and the like.
The mechanical mechanism is designed to realize the assembly of the buffer block bolt, and the following problems exist: before the bolt is assembled to the buffer block, a gasket structure needs to be assembled in advance, and the outer diameter of the gasket is consistent with the outer diameter of a nut of the bolt. How to ensure that the gasket is pre-assembled in place when assembling the bolt and gasket by mechanical means. In addition, the outer peripheral surface of the screw of the bolt related to the application is smooth, so that after the gasket is sleeved in the screw of the bolt, no corresponding force exists between the gasket and the bolt to keep the gasket in an assembly state, and how to realize the movement of the bolt and the gasket and the installation of the bolt and the buffer block.
Aiming at the problems, through long-term research and development, designers of the invention finally develop the bolt assembling equipment of the buffer block so as to solve the problems in the prior art.
Disclosure of Invention
The invention aims to solve the technical problem of providing bolt assembling equipment for a buffer block, which can realize the pre-assembly of a gasket and a bolt and the press-fitting of the gasket and the bolt to the buffer block, and has the advantages of mechanization and automation in the whole process.
The technical scheme adopted by the invention for solving the technical problems is as follows: the bolt assembling equipment for the buffer block comprises a bolt clamping assembly, a fixing tool for mounting the buffer block and a pre-assembling disc connected with a feeding device, wherein a plurality of mounting seats are arranged on the pre-assembling disc, grooves matched with gasket structures are formed in the top surfaces of the mounting seats, placing holes for inserting screws of bolts are formed in the bottom surfaces of the grooves, first notch communicating grooves and the placing holes are formed in the outer side surfaces of the mounting seats, second notches are horizontally formed in the lower portions of the placing holes and penetrate through the front side surface and the rear side surface of the mounting seats, a first signal transmitter and a second signal transmitter are arranged above the pre-assembling disc, signal receiving assemblies are correspondingly arranged on the periphery of the pre-assembling disc, emitted light beams of the first signal transmitter penetrate into the first notches from the bottom surfaces of the grooves, emitted light beams of the second signal transmitter penetrate through the second notches, the gasket and the bolt are conveyed to the mounting seat through the feeding device to be assembled, and the clamping assembly clamps the assembled bolt and presses the assembled bolt into the buffer block of the fixing tool.
Further preferred embodiments of the present invention: the feeding device comprises a gasket conveying assembly and a bolt conveying assembly.
Further preferred embodiments of the present invention: the periphery of the pre-installing disc is provided with a first station, a second station and a third station at intervals, the first station, the second station and the third station correspond to the gasket conveying assembly, the bolt conveying assembly and the fixing tool respectively, the signal receiving assembly comprises a first signal receiver and a second signal receiver, and the first signal receiver and the second signal receiver are located on the first station and the second station respectively.
Further preferred embodiments of the present invention: the first station is also provided with a detection head, the detection head extends to a mounting seat on the pre-loading disc, and the mounting seat moves to a position corresponding to the station, so that the detection head is attached to the top surface of the mounting seat.
Further preferred embodiments of the present invention: the gasket conveying assembly conveys the gasket into a groove of the mounting seat corresponding to the first station, the bolt conveying assembly inserts the bolt into the mounting seat corresponding to the second station, and the pre-assembling disc rotates to drive the mounting seat to sequentially pass through the first station, the second station and the third station and then return to the first station.
Further preferred embodiments of the present invention: the clamping assembly is arranged on the rail through a vertical cylinder, and the clamping assembly can move back and forth between the third station and the fixed tool along the rail.
Further preferred embodiments of the present invention: the clamping assembly comprises a support, a chuck and a horizontal cylinder, the support is provided with an arc-shaped notch, the chuck is movably arranged in the arc-shaped notch of the support, and the horizontal cylinder drives the chuck to move along the arc-shaped notch.
Further preferred embodiments of the present invention: the bottom of the chuck is provided with a groove, an electromagnet is installed in the groove, a notch is formed in the wall surface of the left side of the groove, and the electromagnet is conductive and can act on the bolt and the gasket, and the suction bolt and the gasket.
Further preferred embodiments of the present invention: fixed frock be provided with and act on buffer block mounting hole periphery, the mobilizable clamp plate of direction, the right side of clamp plate connect the arm-tie of erectting, the arm-tie top be provided with the gyro wheel structure, support right side bottom be provided with the hang plate, the support push down will drive the gyro wheel structure that the hang plate acted on the arm-tie, the support that pushes down will drive the clamp plate and move to the right.
Further preferred embodiments of the present invention: the upper portion of the chuck is provided with a kidney-shaped groove along the vertical direction, the horizontal cylinder is connected with the kidney-shaped groove of the chuck, and the horizontal cylinder works to drive the chuck to move away from the surface of the buffer block along the arc-shaped notch of the support.
Compared with the prior art, the invention has the advantages that the pre-assembling disc is arranged, and the assembling of the bolt and the gasket can be completed on the pre-assembling disc. The pre-loading disc is provided with a plurality of mounting seats, the top surfaces of the mounting seats are provided with grooves for placing gaskets, and then the mounting seats are provided with first notch communicating grooves and placing holes. The first signal emitter emits a light beam which penetrates into the first notch from the bottom surface of the groove, namely no gasket is arranged in the groove of the mounting seat or the gasket is not mounted in place, and the light beam emitted by the first signal emitter receives the signal receiving assembly; if the receiving component can not receive the light beam emitted by the first signal emitter, the gasket is installed in place. The bottom surface of the groove is provided with a placing hole for inserting a screw rod of a bolt, and the lower part of the placing hole is horizontally arranged and penetrates through a second notch on the front side surface and the rear side surface of the mounting seat. The second signal emitter emits a light beam to penetrate through the second notch, namely when the bolt is not installed in place, the light beam emitted by the second signal emitter is received by the signal receiving assembly; if the receiving component can not receive the light beam emitted by the second signal emitter, the bolt is installed in place. This ensures that the bolts and washers are pre-installed in place in the pre-assembled discs. The gasket and the bolt are conveyed to the mounting seat through the feeding device to be assembled, and the clamping assembly clamps the assembled bolt and presses the assembled bolt into the buffer block of the fixing tool. The invention can realize the preassembly of the gasket and the bolt and the press mounting of the gasket and the bolt to the buffer block, and the whole process is mechanized and automated.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of a buffer block;
FIG. 2 is a first schematic structural diagram of the present invention;
FIG. 3 is a schematic structural view of the mounting base;
FIG. 4 is a front view of the mount;
FIG. 5 is a second schematic structural view of the present invention;
fig. 6 is a partial structural schematic diagram of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 2 to 6: the bolt assembling equipment for the buffer block comprises a bolt clamping assembly 1, a fixing tool 2 for mounting the buffer block and a pre-assembling disc 3 connected with a feeding device, wherein a plurality of mounting seats 4 are arranged on the pre-assembling disc 3, grooves 5 matched with gasket structures are formed in the top surfaces of the mounting seats 4, placing holes 6 for inserting screws of bolts are formed in the bottom surfaces of the grooves 5, first notches 10 communicated with the grooves 5 and the placing holes 6 are formed in the outer side surfaces of the mounting seats 4, second notches 7 are horizontally formed in the lower portions of the placing holes 6 and penetrate through the front side surface and the rear side surface of the mounting seats 4, a first signal transmitter 8 and a second signal transmitter 9 are arranged above the pre-assembling disc 3, signal receiving assemblies are correspondingly arranged on the periphery of the pre-assembling disc 3, emitted light beams of the first signal transmitter 8 penetrate into the first notches 10 from the bottom surfaces of the grooves 5, emitted light beams of the second signal, the gasket and the bolt are conveyed to the mounting seat 4 through the feeding device to complete assembly, and the clamping assembly 1 clamps the assembled bolt and presses the assembled bolt into the buffer block of the fixing tool 2.
The feeding device comprises a gasket conveying assembly and a bolt conveying assembly 11, which are not completely shown in the figure. The gasket conveying assembly and the bolt conveying assembly 11 can be completed by adopting some existing structural equipment, and the gasket conveying assembly and the bolt conveying assembly are not structures to be protected by the invention and are not expanded. The periphery of the pre-loading disc 3 is provided with a first station, a second station and a third station at intervals, the first station, the second station and the third station correspond to the gasket conveying assembly, the bolt conveying assembly 11 and the fixed tool 2 respectively, the signal receiving assembly comprises a first signal receiver 12 and a second signal receiver 13, and the first signal receiver 12 and the second signal receiver 13 are located on the first station and the second station respectively. The gasket conveying assembly conveys the gasket to the mounting seat 4 corresponding to the first station, and whether the bolt is mounted in place or not is judged by the first signal transmitter 8 and the first signal receiver 12. If the bolt is installed in place, the installation seat 4 moves to a second station, the bolt conveying assembly 11 conveys the bolt to the second station, and whether the bolt is installed in place is judged by the second signal transmitter 9 and the second signal receiver 13.
The gasket conveying assembly conveys the gasket into the groove 5 of the mounting seat 4 corresponding to the first station, the bolt conveying assembly 11 inserts the bolt into the mounting seat 4 corresponding to the second station, and the pre-assembling disc 3 rotates to drive the mounting seat 4 to sequentially pass through the first station, the second station and the third station and then return to the first station.
The first station is also provided with a detection head 14, the detection head 14 extends to the mounting seat 4 on the pre-loading disc 3, and the detection head 14 is attached to the top surface of the mounting seat 4 when the mounting seat 4 moves to correspond to the station. The detection head 14 is arranged at the first station in order to detect whether the bolt assembled by the previous wheel has been removed from the mounting 4 moved to this station. The whole cycle of assembling and conveying the bolt and the gasket is realized.
The clamping assembly 1 is installed on the rail 15 through a vertical cylinder, and the clamping assembly 1 can move back and forth between the third station and the fixed tool 2 along the rail 15.
The clamping assembly 1 comprises a support 21, a chuck 16 and a horizontal cylinder 17, the support 21 is provided with an arc-shaped notch 18, the chuck 16 can be movably arranged in the arc-shaped notch 18 of the support 21, and the horizontal cylinder 17 drives the chuck 16 to move along the arc-shaped notch 18.
The bottom of the chuck 16 is provided with a groove 5, an electromagnet is installed in the groove 5, the left side wall surface of the groove 5 is provided with a notch, and the electromagnet is conductive and can act on a bolt and a gasket, and a suction bolt and the gasket. The washer and the bolt are made of materials which can be absorbed by the magnet, such as ferrous materials. Thus, the washer is secured to the outer circumference of the bolt shank by the chuck 16.
The fixed tool 2 is provided with a pressing plate 19 which acts on the periphery of the buffer block mounting hole and is movable in direction, the right side of the pressing plate 19 is connected with a vertical pulling plate 20, the top of the pulling plate 20 is provided with a roller structure, the bottom of the right side of a support 21 is provided with an inclined plate 22, the support 21 presses downwards to drive the inclined plate 22 to act on the roller structure of the pulling plate 20, and the support 21 presses downwards to drive the pressing plate 19 to move rightwards. According to the invention, the bolt is pressed down under the condition of aligning the bolt with the mounting hole of the buffer block, the pressing plate 19 is driven by the pressing clamping component 1 to move rightwards, and the mounting hole of the buffer block is fully exposed for the bolt to be pressed. When the clamping assembly 1 is lifted back, the pressure plate 19 also moves leftwards to return to the initial state, and the stability of the buffer block is ensured.
The upper part of the chuck 16 is provided with a kidney-shaped groove along the vertical direction, the horizontal cylinder 17 is connected with the kidney-shaped groove of the chuck 16, and the horizontal cylinder 17 works to drive the chuck 16 to move away from the surface of the buffer block along the arc-shaped notch 18 of the bracket 21. According to the invention, the bolt and the gasket are sucked by the electromagnet, the electromagnet has residual magnetism after power failure, and in order to ensure that the bolt and the gasket cannot be taken away when the chuck 16 is lifted back, an action is additionally arranged before the chuck is lifted back, namely, the horizontal cylinder 17 works to drive the chuck 16 to move away in a mode of being gently close to the surface of the buffer block.
The invention realizes the preassembly of the gasket and the bolt and the press mounting of the gasket and the bolt on the buffer block by ingenious structural design, and the whole process is mechanized and automated.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention has been described in detail, and the principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the present invention and the core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The bolt assembling equipment for the buffer block is characterized by comprising a bolt clamping assembly, a fixing tool for mounting the buffer block and a pre-assembling disc connected with a feeding device, wherein a plurality of mounting seats are arranged on the pre-assembling disc, grooves matched with gasket structures are formed in the top surfaces of the mounting seats, placing holes for inserting bolts are formed in the bottom surfaces of the grooves, first notch communicated grooves and the placing holes are formed in the outer side surfaces of the mounting seats, second notches are horizontally formed in the lower portions of the placing holes and penetrate through the front side surface and the rear side surface of the mounting seats, a first signal transmitter and a second signal transmitter are arranged above the pre-assembling disc, signal receiving assemblies are correspondingly arranged on the periphery of the pre-assembling disc, emitted light beams of the first signal transmitter penetrate into the first notches from the bottom surfaces of the grooves, emitted light beams of the second signal transmitter penetrate through the second notches, the gasket and the bolt are conveyed to the mounting seat through the feeding device to be assembled, and the clamping assembly clamps the assembled bolt and presses the assembled bolt into the buffer block of the fixing tool.
2. The apparatus for assembling a bolt of a buffer block according to claim 1, wherein the feeding device comprises a pad feeding unit and a bolt feeding unit.
3. The bolt assembling equipment for the buffer block according to claim 2, wherein a first station, a second station and a third station are arranged at intervals on the periphery of the pre-assembling disc, the first station, the second station and the third station respectively correspond to the gasket conveying assembly, the bolt conveying assembly and the fixing tool, the signal receiving assembly comprises a first signal receiver and a second signal receiver, and the first signal receiver and the second signal receiver are respectively located at the first station and the second station.
4. The bolt assembling equipment for the buffer block according to claim 3, wherein the first station is further provided with a detection head, the detection head extends to a mounting seat on the pre-mounting plate, and the mounting seat moves to correspond to the station, and the detection head is attached to the top surface of the mounting seat.
5. The buffer block bolt assembling apparatus according to claim 3, wherein the gasket conveying assembly conveys the gasket into the groove of the mounting seat corresponding to the first station, the bolt conveying assembly inserts the bolt into the mounting seat corresponding to the second station, and the pre-assembling plate rotates to drive the mounting seat to sequentially pass through the first station, the second station and the third station and then return to the first station.
6. The bolt assembling equipment for the buffer block according to claim 1, wherein the clamping assembly is mounted on the rail through a vertical cylinder, and the clamping assembly can move back and forth between the third station and the fixing tool along the rail.
7. The bolt assembling equipment for the buffer block according to claim 1, wherein the clamping assembly comprises a support, a chuck and a horizontal cylinder, the support is provided with an arc-shaped notch, the chuck is movably arranged in the arc-shaped notch of the support, and the horizontal cylinder drives the chuck to move along the arc-shaped notch.
8. The bolt assembling device for the buffer block according to claim 7, wherein the bottom of the chuck is provided with a groove, an electromagnet is installed in the groove, the left side wall surface of the groove is provided with a notch, and the electromagnet is conductive and can act on the bolt and the gasket, and the suction bolt and the gasket.
9. The bolt assembling equipment for the buffer block according to claim 7, wherein the fixing tool is provided with a pressing plate which acts on the periphery of the mounting hole of the buffer block and is movable in direction, the right side of the pressing plate is connected with a vertical pulling plate, the top of the pulling plate is provided with a roller structure, the bottom of the right side of the support is provided with an inclined plate, the support is pressed downwards to drive the inclined plate to act on the roller structure of the pulling plate, and the pressed support drives the pressing plate to move rightwards.
10. The apparatus for assembling a bolt of a cushion block according to claim 7, wherein the upper portion of the chuck is formed with a vertical slot, the horizontal cylinder is connected to the vertical slot of the chuck, and the horizontal cylinder operates to move the chuck away from the surface of the cushion block along the arc-shaped notch of the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409892.XA CN111098121A (en) | 2019-12-31 | 2019-12-31 | Bolt assembly equipment of buffer block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409892.XA CN111098121A (en) | 2019-12-31 | 2019-12-31 | Bolt assembly equipment of buffer block |
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| Publication Number | Publication Date |
|---|---|
| CN111098121A true CN111098121A (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911409892.XA Pending CN111098121A (en) | 2019-12-31 | 2019-12-31 | Bolt assembly equipment of buffer block |
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| CN (1) | CN111098121A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482784A (en) * | 2020-05-22 | 2020-08-04 | 江苏拓斯达机器人有限公司 | Screw rod assembly equipment |
-
2019
- 2019-12-31 CN CN201911409892.XA patent/CN111098121A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482784A (en) * | 2020-05-22 | 2020-08-04 | 江苏拓斯达机器人有限公司 | Screw rod assembly equipment |
| CN111482784B (en) * | 2020-05-22 | 2021-08-20 | 江苏拓斯达机器人有限公司 | Screw rod assembly equipment |
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