CN212264960U - Automatic workpiece feeding device for welding - Google Patents
Automatic workpiece feeding device for welding Download PDFInfo
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- CN212264960U CN212264960U CN202021899346.7U CN202021899346U CN212264960U CN 212264960 U CN212264960 U CN 212264960U CN 202021899346 U CN202021899346 U CN 202021899346U CN 212264960 U CN212264960 U CN 212264960U
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Abstract
The utility model discloses an automatic workpiece feeding device for welding, wherein, an output shaft of a second motor is connected with a main gear, a main rack is arranged on a beam along the axial direction, and the main gear is driven by the second motor to rotate along the main rack so as to drive a first motor to move on the beam along a transverse guide rail; an output shaft of the first motor is connected with an auxiliary gear, an auxiliary rack is longitudinally arranged on the lifting column, and the lifting column is driven to longitudinally move by driving the auxiliary gear to rotate along the auxiliary rack; the bottom end of the lifting column is fixed with two grippers, each gripper comprises a gripper fixing support, an air cylinder arranged on the fixing support, a movable clamping block connected with the air cylinder through a rotating mechanism, and a fixed clamping block corresponding to the movable clamping block; the air cylinder drives the movable clamping block to rotate to match with the fixed clamping block to clamp or loosen the vehicle part, so that the conveying efficiency of the workpiece is improved, the accuracy of loading the workpiece is improved, and accident potential is eliminated.
Description
Technical Field
The utility model relates to a weld the dress field, especially relate to an automatic loading device for welding dress.
Background
At present, manual workpiece feeding is generally adopted during welding of sheet metal parts of an automobile body, in the workpiece feeding process, workers take workpieces from a material frame, and then fix the workpieces to the specified positions on the automobile body through a clamp. The method for loading the workpieces has the defects that the labor intensity of workers is high, the conveying efficiency is low, the requirements of an automatic production line cannot be met, and in addition, because automatic equipment is mostly adopted in the automatic production line, the personal safety of the workers who load the workpieces manually is not guaranteed, and great potential safety hazards exist. In addition, the welding production line is a flexible production line, when various vehicle types are in cross operation, the categories of workpieces need to be accurately identified, the workpieces are affected by the quality of the workers, the accuracy of workpiece identification is difficult to guarantee by manual workpiece feeding, and welding errors are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic workpiece feeding device for welding dress to solve the problem that above-mentioned prior art exists, with the transport efficiency who improves the work piece, improve the rate of accuracy of workpiece feeding and eliminate accident potential.
In order to achieve the above object, the utility model provides a following scheme: the automatic workpiece loading device for welding comprises a fixed cross beam and a lifting column arranged on the fixed cross beam through a moving mechanism, wherein the moving mechanism comprises a transverse guide rail axially arranged on the fixed cross beam, a first motor arranged on the transverse guide rail in a sliding manner, and a second motor fixedly connected with the first motor;
an output shaft of the second motor is connected with a main gear, a main rack is axially arranged on the cross beam, the main gear is driven by the second motor to rotate along the main rack, and the first motor is driven to move on the cross beam along the transverse guide rail; an output shaft of the first motor is connected with an auxiliary gear, an auxiliary rack is longitudinally arranged on the lifting column, and the auxiliary gear is driven by the first motor to rotate along the auxiliary rack so as to drive the lifting column to longitudinally move;
two grippers are fixed at the bottom end of the lifting column, each gripper comprises a gripper fixing support, an air cylinder arranged on the fixing support, a movable clamping block connected with the air cylinder through a rotating mechanism, and a fixed clamping block corresponding to the movable clamping block; the air cylinder drives the movable clamping block to rotate to cooperate with the fixed clamping block to clamp or release the vehicle part.
Preferably, the fixed clamping block comprises two upper clamping edges, the movable clamping block comprises two lower clamping edges corresponding to the upper clamping edges respectively, when the vehicle part is not grabbed, the cylinder drives the lower clamping edges to be opened, and when the vehicle part is grabbed, the cylinder drives the lower clamping edges to swing upwards to clamp the vehicle part together with the upper clamping edges.
Preferably, when the fixed clamping block and the movable clamping block are clamped in a matching mode, each upper clamping edge and each lower clamping edge clamp correspondingly and form an annular structure, and the annular structure is sleeved around the vehicle part.
Preferably, a main metal sensor is arranged on the hand grip fixing support and located in the annular structure and used for identifying a vehicle part, and when the main metal sensor detects the vehicle part, the cylinder drives the lower clamping edge to rotate and the upper clamping edge to clamp the vehicle part.
Preferably, including being used for fixed direction the vertical hoist mechanism of lift post, be equipped with ascending separation blade and decline separation blade on the lift post, one side of vertical hoist mechanism is equipped with in proper order along vertical upwards and is used for the response the ascending speed reduction sensor of ascending separation blade, rise to the position sensor and rise overtravel sensor, vertical the downward descending speed reduction sensor that is used for the response of decline separation blade, decline to the position sensor and decline overtravel sensor that are equipped with in proper order of the other side eye of vertical hoist mechanism.
Preferably, the vertical lifting mechanism is provided with an ascending buffer and a descending buffer corresponding to the lifting column, when the lifting column rises and is close to the top end, the lifting column abuts against the ascending buffer, and when the lifting column descends and the gripper is close to the vehicle part, the lifting column abuts against the descending buffer and is respectively used for buffering the lifting column.
Preferably, a scale is arranged on the lifting column, a pointer corresponding to the scale is arranged on the vertical lifting mechanism, and the first motor drives the pinion to rotate according to the position of the pointer on the scale, so that the lifting column can be accurately adjusted.
Preferably, the lifting column downside is equipped with the car spare and places the platform, the car spare is placed and is equipped with the tray that is used for bearing the weight of the car spare on the platform, be used for to the car spare when placing the gib block of direction, be used for the locating pin of location car spare and be used for responding to the car spare and place the vice metal sensor that targets in place, the tray top is equipped with the step that is used for placing the car spare.
Preferably, a horizontal blocking piece is arranged on the vertical lifting mechanism, an advancing speed reduction sensor, an advancing in-place sensor and an advancing over-travel sensor are sequentially arranged on the cross beam along the horizontal advancing direction of the vertical lifting mechanism, a retreating speed reduction sensor, an retreating in-place sensor and an retreating over-travel sensor are sequentially arranged on the cross beam along the horizontal retreating direction of the vertical lifting mechanism, a horizontal buffer matched with the vertical lifting mechanism is arranged on the cross beam, and the horizontal buffer is used for buffering the horizontal advancing speed and the retreating speed of the vertical lifting mechanism.
Preferably, a bolt hole and a safety bolt in interference fit with the bolt hole are formed in the vertical lifting mechanism, a limiting sensor is arranged on the cross beam, when the automatic piece feeding device does not operate, the safety bolt is inserted into the bolt hole in the vertical lifting mechanism in interference fit, and when the automatic piece feeding device operates, the safety bolt is shielded on the limiting sensor.
The utility model discloses for prior art gain following technological effect:
1. the utility model discloses utilize cylinder control tongs to press from both sides tight work piece, utilize vertical hoist mechanism to rise the take turns to a take the altitude, recycle horizontal sideslip device and transport the work piece to the workstation top, descend by vertical hoist mechanism again and place the work piece at the take turns and place the bench, the tongs is opened, welds the automatic device of loading and resets, accomplishes a round of circulation.
2. All actions of the device can be automatically completed according to a program, the workpiece feeding automation of the welding process of the automobile body is realized, the working efficiency is greatly improved, the adverse effect of human factors on the workpiece feeding is eliminated, the welding quality of the automobile body is ensured, and meanwhile, the accident potential caused by manual workpiece feeding is also avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIGS. 2-6 are schematic partial views of the delivery system body of the present invention;
fig. 7-8 are partial schematic views of the gripper of the present invention;
wherein, 1, a first motor, 2, a secondary gear, 3, a secondary rack, 4, a main rack, 5, a descending deceleration sensor, 6, a scale, 7, a pointer, 8, a descending in-place sensor, 9, a descending blocking piece, 10, a descending over-travel sensor, 11, a main ascending in-place sensor, 12, an ascending deceleration sensor, 13, a secondary ascending in-place sensor, 14, an ascending over-travel sensor, 15, a horizontal buffer, 16, a second motor, 17, a safety bolt, 18, a limit sensor, 19, a main gear, 20, a cylinder, 21, a hand grip, 22, an ascending buffer, 23, a secondary ascending blocking piece, 24, a main ascending blocking piece, 25, a retreating deceleration sensor, 26, a retreating in-place sensor, 27, a horizontal blocking piece, 28, a retreating over-travel sensor, 29, an advancing over-travel sensor, 30, an advancing in-place sensor, 31, an advancing deceleration sensor, 32, a descending buffer, 33. the device comprises a support block 34, an auxiliary metal sensor 35, a guide strip 36, a first positioning pin 37, a main metal sensor 38, a fixed clamping block 39, a second positioning pin 40, a cross beam 41, a lifting column 42, a movable clamping block 43 and a vehicle part placing table.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model is used for overcome above-mentioned prior art's defect, provide an automatic workpiece feeding device for welding dress to solve the problem that above-mentioned prior art exists, with the transport efficiency who improves the work piece, improve the rate of accuracy of workpiece feeding and eliminate accident hidden danger.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-8, an automatic workpiece loading device for welding is provided, which includes a fixed beam and a lifting column mounted on the fixed beam through a moving mechanism, wherein the moving mechanism includes a transverse guide rail axially disposed on the fixed beam, a first motor slidably disposed on the transverse guide rail, and a second motor fixedly connected to the first motor; an output shaft of the second motor is connected with a main gear, a main rack is arranged on the cross beam along the axial direction, the main gear is driven by the second motor to rotate along the main rack, and the first motor is driven to move on the cross beam along the transverse guide rail; an output shaft of the first motor is connected with an auxiliary gear, an auxiliary rack is longitudinally arranged on the lifting column, and the lifting column is driven to longitudinally move by driving the auxiliary gear to rotate along the auxiliary rack; the bottom end of the lifting column is fixed with two grippers, each gripper comprises a gripper fixing support, an air cylinder arranged on the fixing support, a movable clamping block connected with the air cylinder through a rotating mechanism, and a fixed clamping block corresponding to the movable clamping block; the air cylinder drives the movable clamping block to rotate to match with the fixed clamping block to clamp or release the vehicle part.
As a preferred embodiment of the present invention, the fixed clamping block includes two upper clamping edges, the movable clamping block includes two lower clamping edges corresponding to the upper clamping edges, respectively, when the vehicle part is not grabbed, the cylinder drives the lower clamping edges to open, and when the vehicle part is grabbed, the cylinder drives the lower clamping edges to swing upward to clamp the vehicle part together with the upper clamping edges; when the fixed clamping block and the movable clamping block are matched and clamped, each upper clamping edge and each lower clamping edge are clamped correspondingly to form an annular structure, and the annular structure is sleeved around the vehicle part; the gripper fixing support is provided with a metal sensor, the metal sensor is positioned in the annular structure and used for identifying the car part, and when the metal sensor detects the car part, the cylinder drives the lower clamping edge to rotate and the upper clamping edge to clamp the car part; the lifting device comprises a vertical lifting mechanism for fixing a guide lifting column, wherein an ascending separation blade and a descending separation blade are arranged on the lifting column, an ascending deceleration sensor, an ascending in-place sensor and an ascending over-travel sensor for sensing the ascending separation blade are sequentially arranged on one side of the vertical lifting mechanism along the vertical direction, and a descending deceleration sensor, a descending in-place sensor and a descending over-travel sensor for sensing the descending separation blade are sequentially arranged on the other side of the vertical lifting mechanism along the vertical direction; the vertical lifting mechanism is provided with an ascending buffer and a descending buffer corresponding to the lifting column, when the lifting column rises and is close to the top end, the lifting column is abutted to the ascending buffer, and when the lifting column descends and the gripper is close to the vehicle part, the lifting column is abutted to the descending buffer and is respectively used for buffering the lifting column. Preferably, a first positioning pin is arranged between the upper clamping edge and the lower clamping edge, and the first positioning pin is used for accurately aligning the upper clamping edge and the lower clamping edge.
As a preferred embodiment of the present invention, a scale is disposed on the lifting column, a pointer corresponding to the scale is disposed on the vertical lifting mechanism, and the first motor drives the pinion to rotate according to the position of the pointer on the scale, so as to precisely adjust the lifting column; a vehicle part placing table is arranged on the lower side of the lifting column, a support block for bearing a vehicle part, a guide strip for guiding when the vehicle part is placed, a second positioning pin for positioning the vehicle part and an auxiliary metal sensor for sensing the proper placement of the vehicle part are arranged on the vehicle part placing table, and a step for placing the vehicle part is arranged at the top of the support block; a horizontal baffle is arranged on the vertical lifting mechanism, an advancing speed reduction sensor, an advancing in-place sensor and an advancing over-travel sensor are sequentially arranged on the cross beam along the horizontal advancing direction of the vertical lifting mechanism, and a retreating speed reduction sensor, a retreating in-place sensor and a retreating over-travel sensor are sequentially arranged on the cross beam along the horizontal retreating direction of the vertical lifting mechanism; be equipped with the bolt hole on the vertical hoist mechanism and with bolt hole interference fit's insurance bolt, be equipped with spacing sensor on the crossbeam, when automatic loading device does not move, insurance bolt interference fit inserts in the bolt hole in vertical hoist mechanism, and when automatic loading device moves, the insurance bolt shelters from on spacing sensor.
As another embodiment of the present invention, the first motor and the second motor are fixed together by the connecting member, the rack is disposed on the beam 40, the second motor 16 and the first motor 1, the lifting column 41, etc. can be moved on the beam as a whole, and the drag chain, i.e. the tank chain, etc. is also disposed in the drawing, which belongs to a common device and is not introduced.
The first motor 1 is arranged on the cross beam 40 and can move along the cross beam 40, the vertical movement is avoided, a rack is arranged on the lifting column 41, two fixed grippers are connected and fixed below the lifting column 41, the first motor 1 drives the auxiliary gear 2 and the auxiliary rack 3, the auxiliary rack 3 and the whole vertical lifting mechanism are lowered to a set height, the grippers are fixedly provided with the air cylinder 20, the fixed clamping block 38 and the main metal sensor 37, the air cylinder 20 can drive the movable clamping block 42 below to rotate, and the rotating air cylinder belongs to common knowledge and has a plurality of methods, such as
The movable clamp block 42 cooperates with the fixed clamp block 38 to clamp or unclamp the vehicle member. Two fixed clamping blocks 38 are fixed below the hand grip 21, the air cylinder 20 is in an open state when not gripping the vehicle part, the movable clamping block 42 and the fixed clamping blocks 38 clamp the vehicle part after the air cylinder drives the hand grip to descend to the right position during the workpiece taking process, and the secondary metal sensor 37 is used for detecting whether the vehicle part is placed or not.
Descending separation blade 9 sets up on vertical hoist mechanism, and the position is decided according to actual conditions, and descending in-process decline deceleration sensor 5 senses descending separation blade 9 and is the deceleration signal, and decline sensor 8 that targets in place senses descending separation blade 9 and is the signal that targets in place, shows that the height of having reached the settlement, and decline overtravel sensor 10 senses descending separation blade 9 and is the overtravel signal, and the sensor is also rigid, and decline buffer 32 plays the buffering guard action, and the precision is adjusted according to scale 6 and pointer 7.
The vehicle component placing table 43 is fixed and is used only for placing the vehicle component. The device is provided with a supporting block 33, various switch supports, a guide strip 35, a second positioning pin 39 and the like, wherein a vehicle part is placed on a step at the top of the supporting block 33, an auxiliary metal sensor 34 is used for sensing whether the vehicle part is placed in place or not, the guide strip 35 is used for guiding when the vehicle part is placed, and the second positioning pin 39 is used for accurately positioning the vehicle part. The positions of the support block 33, the sensor switch, the positioning pin and the like can be adjusted according to the shape of the vehicle. Fig. 7 is a state when the vehicle is clamped, and fig. 8 is a clamped state without the vehicle.
After the gripper clamps a workpiece, the motor drives the gear and the rack to rise to a set height, the rising speed reduction sensor 12 is fixed at a fixed position of the vertical lifting mechanism, the second blocking piece 23 is not sensed to be fixed on the lifting column along with the lifting of the lifting column, the second blocking piece is sensed to be a speed reduction signal along with the lifting of the lifting column, the auxiliary rising in-place sensor 13 senses that the auxiliary rising blocking piece 23 is an in-place signal, the main rising in-place sensor 11 senses that the main rising blocking piece 24 is an in-place signal, the rising over-travel sensor 14 senses that the auxiliary rising blocking piece 23 is an over-travel signal, and the rising buffer 22.
When the workpiece rises to a set height, the second motor 16 drives the main gear 19 and the main rack 4, so that the vertical lifting mechanism moves to the position below the workbench along a path set by the horizontal traversing mechanism and descends to put down the workpiece. The forward deceleration sensor 31 senses that the horizontal stopper 27 is fixed to the fixed member of the traverse mechanism and follows it. The switch is fixed on the beam and is a deceleration signal, the forward-in position sensor 30 senses that the horizontal blocking piece 27 is an in-position signal, and the forward overtravel sensor 29 senses that the horizontal blocking piece 27 is an overtravel signal.
After the vehicle part is put down, the vertical lifting mechanism returns to complete a working cycle. The backward speed-reducing sensor 25 senses that the horizontal blocking piece 27 is a speed-reducing signal, the backward in-place sensor 26 senses that the horizontal blocking piece 27 is a micro signal, the backward over-travel sensor 28 senses that the horizontal blocking piece 27 is an over-travel signal, and the horizontal buffer 15 plays a role in buffering protection. The position of the sensor is fixed, and the position of the sensor can be adjusted, so that the sensor is used for controlling the operation of the device and belongs to industrial common arrangement.
When the equipment does not operate, the safety bolt 17 is inserted into a bolt hole in the vertical lifting mechanism in an interference fit mode, and when the equipment operates, the safety bolt is pulled out of the vertical lifting mechanism, inserted into the horizontal traversing mechanism and used for blocking the limiting sensor 18, and at the moment, the safety bolt is in a working state.
The adaptability that carries out according to actual demand all is in the protection scope of the utility model.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. An automatic workpiece loading device for welding is characterized by comprising a fixed cross beam and a lifting column arranged on the fixed cross beam through a moving mechanism, wherein the moving mechanism comprises a transverse guide rail axially arranged on the fixed cross beam, a first motor arranged on the transverse guide rail in a sliding manner, and a second motor fixedly connected with the first motor;
an output shaft of the second motor is connected with a main gear, a main rack is axially arranged on the cross beam, the main gear is driven by the second motor to rotate along the main rack, and the first motor is driven to move on the cross beam along the transverse guide rail; an output shaft of the first motor is connected with an auxiliary gear, an auxiliary rack is longitudinally arranged on the lifting column, and the auxiliary gear is driven by the first motor to rotate along the auxiliary rack so as to drive the lifting column to longitudinally move;
two grippers are fixed at the bottom end of the lifting column, each gripper comprises a gripper fixing support, an air cylinder arranged on the fixing support, a movable clamping block connected with the air cylinder through a rotating mechanism, and a fixed clamping block corresponding to the movable clamping block; the air cylinder drives the movable clamping block to rotate to cooperate with the fixed clamping block to clamp or release the vehicle part.
2. The automatic workpiece feeding device for welding according to claim 1, wherein the fixed clamping block comprises two upper clamping edges, the movable clamping block comprises two lower clamping edges corresponding to the upper clamping edges respectively, the lower clamping edges are driven to be opened by the air cylinder when the vehicle part is not grabbed, and the lower clamping edges are driven to swing upwards to clamp the vehicle part together with the upper clamping edges when the vehicle part is grabbed.
3. The automatic workpiece feeding device for welding assembly as recited in claim 2, wherein each of said upper clamping edges and each of said lower clamping edges clamp in correspondence and form a ring-shaped structure when said fixed clamping block and said movable clamping block are clamped in cooperation, said ring-shaped structure being fitted around the vehicle member.
4. The automatic workpiece feeding device for welding assembly as claimed in claim 3, wherein a main metal sensor is arranged on the hand grip fixing support, the main metal sensor is located in the annular structure and used for identifying a workpiece, and when the main metal sensor detects the workpiece, the air cylinder drives the lower clamping edge to rotate and clamp the workpiece with the upper clamping edge.
5. The automatic workpiece feeding device for welding according to claim 1 or 4, wherein the device comprises a vertical lifting mechanism for fixedly guiding the lifting column, an ascending blocking piece and a descending blocking piece are arranged on the lifting column, an ascending deceleration sensor, an ascending in-place sensor and an ascending over-travel sensor for sensing the ascending blocking piece are sequentially arranged on one side of the vertical lifting mechanism along the vertical direction, and a descending deceleration sensor, a descending in-place sensor and a descending over-travel sensor for sensing the descending blocking piece are sequentially arranged on the other side of the vertical lifting mechanism along the vertical direction.
6. The automatic workpiece feeding device for welding according to claim 5, wherein the vertical lifting mechanism is provided with an ascending buffer and a descending buffer corresponding to the lifting column, when the lifting column is lifted to approach the top end, the lifting column abuts against the ascending buffer, and when the lifting column is lowered and the hand grip approaches the vehicle part, the lifting column abuts against the descending buffer to respectively buffer the lifting column.
7. The automatic workpiece feeding device for welding according to claim 6, wherein a scale is arranged on the lifting column, a pointer corresponding to the scale is arranged on the vertical lifting mechanism, and the first motor drives the pinion to rotate according to the position of the pointer on the scale for accurately adjusting the lifting column.
8. The automatic workpiece feeding device for welding according to claim 7, wherein a vehicle part placing table is arranged on the lower side of the lifting column, a supporting block for bearing the vehicle part, a guide strip for guiding when the vehicle part is placed, a positioning pin for positioning the vehicle part and a secondary metal sensor for sensing the position of the vehicle part in place are arranged on the vehicle part placing table, and a step for placing the vehicle part is arranged on the top of the supporting block.
9. The automatic workpiece feeding device for welding assembly according to claim 8, wherein a horizontal blocking piece is arranged on the vertical lifting mechanism, a forward speed reduction sensor, a forward in-place sensor and a forward over travel sensor are sequentially arranged on the cross beam along the horizontal forward direction of the vertical lifting mechanism, a backward speed reduction sensor, a backward in-place sensor and a backward over travel sensor are sequentially arranged on the cross beam along the horizontal backward direction of the vertical lifting mechanism, a horizontal buffer matched with the vertical lifting mechanism is arranged on the cross beam, and the horizontal buffer is used for buffering the horizontal forward and backward speeds of the vertical lifting mechanism.
10. The automatic workpiece feeding device for welding according to claim 9, wherein a pin hole and a safety pin which is in interference fit with the pin hole are arranged on the vertical lifting mechanism, a limit sensor is arranged on the cross beam, the safety pin is inserted into the pin hole in the vertical lifting mechanism in an interference fit mode when the automatic workpiece feeding device is not operated, and the safety pin is shielded on the limit sensor when the automatic workpiece feeding device is operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021899346.7U CN212264960U (en) | 2020-09-03 | 2020-09-03 | Automatic workpiece feeding device for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021899346.7U CN212264960U (en) | 2020-09-03 | 2020-09-03 | Automatic workpiece feeding device for welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212264960U true CN212264960U (en) | 2021-01-01 |
Family
ID=73870968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021899346.7U Active CN212264960U (en) | 2020-09-03 | 2020-09-03 | Automatic workpiece feeding device for welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212264960U (en) |
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2020
- 2020-09-03 CN CN202021899346.7U patent/CN212264960U/en active Active
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