CN211413535U - Riveting die and automatic drilling and riveting equipment - Google Patents
Riveting die and automatic drilling and riveting equipment Download PDFInfo
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- CN211413535U CN211413535U CN201922184049.8U CN201922184049U CN211413535U CN 211413535 U CN211413535 U CN 211413535U CN 201922184049 U CN201922184049 U CN 201922184049U CN 211413535 U CN211413535 U CN 211413535U
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Abstract
The utility model discloses a rivet mould and automatic brill equipment of riveting relates to fuselage wallboard assembly technical field. The riveting die comprises an upper riveting die and a lower riveting die, the upper riveting die can abut against one side of the rivet, and the lower riveting die can abut against the other side of the rivet so as to realize press riveting in cooperation with the upper riveting die. Specifically, lower riveting die includes the lower riveting body and presses the riveting piece, and the lower riveting body can be followed the direction that is close to last riveting die and removed, is provided with the recess on the top surface of pressing the riveting piece, presses riveting piece detachably to connect under on the riveting body. The rivet pressing piece moves along the direction close to the upper riveting die under the driving of the lower riveting body, and the rivet pressed and riveted by the upper riveting die is pressed. Because be provided with the recess on the top surface of pressure riveting spare, therefore rivet the mode that the mould is more concentrated to the effort of rivet than the plane butt down, cause the rivet to warp also more concentrated for the rivet warp concentrates on rivet pole position, has avoided rivet pier nose department to warp too big, has increased the interference volume when rivet and wall compress tightly, improves fastening effect.
Description
Technical Field
The utility model relates to a fuselage wallboard assembly technical field especially relates to a rivet mould and automatic brill equipment of riveting.
Background
In the process of assembling the body wall plate, a large number of rivets are needed to assemble the wall plate, the strength and rigidity of wall plate connection are guaranteed, in the prior art, manual riveting is needed, but the manual riveting mode is large in workload, low in efficiency and prone to errors.
In order to improve the assembly efficiency and the precision of wallboard, use automatic brill to rivet equipment to replace most manual work at present mostly, through automatic brill rivet equipment very big improvement wallboard system hole binding efficiency and precision, its theory of operation is for carrying out the pressure riveting work of rivet through last die and lower die, the die that lower die is used for pressing the rivet is the plane shape, the die flattens in rivet pier surface under promptly, each item index of the rivet that this kind of pressure riveting mode processing was accomplished is stable, but its interference volume when compressing tightly with the wall is not big, the fastening effect is not good.
Therefore, it is an urgent need to solve the above-mentioned problems by those skilled in the art to improve the existing riveting die and automatic drilling and riveting equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rivet mould uses this rivet mould to carry out automatic brill and rivets processing, can increase the interference volume of processing back rivet, improves fastening effect.
To achieve the purpose, the utility model adopts the following technical proposal:
a riveting die comprising:
the upper riveting die can abut against one side of the rivet; and
the mould is riveted down, the mould includes down:
the lower riveting body can move along the direction close to the upper riveting die;
the riveting die comprises a lower riveting body, a pressing riveting piece and an upper riveting die, wherein a groove is formed in the top surface of the pressing riveting piece, the pressing riveting piece is detachably connected to the lower riveting body, and the groove can abut against the other side of the rivet to be matched with the upper riveting die to realize pressing riveting.
Optionally, the recess is bowl-shaped.
Optionally, the rivet pressing piece and the lower rivet body are detachably connected through a fastener.
Another object of the utility model is to provide an automatic bore equipment of riveting, this automatic bore equipment of riveting uses this mould of riveting to bore and rivets processing, can increase the interference volume of processing back rivet, improves fastening effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic drilling and riveting device comprises the riveting die.
Optionally, the automatic drilling and riveting device further comprises:
the upper riveting die and the lower riveting die are respectively fixed on the upper side and the lower side of the frame;
the upper riveting die is arranged on the transmission plate, and the transmission plate can move relative to the frame so as to align the upper riveting die to the position of the lower riveting die.
Optionally, the automatic drilling and riveting device further comprises a drilling head, the drilling head is arranged on the transmission plate, and the drilling head can punch holes in the wall plate to form rivet holes.
Optionally, the automatic drilling and riveting device further comprises:
the rivet feeding mechanism is sleeved on the outer side of the upper riveting die and can clamp the rivet, and the upper riveting die can push the rivet clamped by the rivet feeding mechanism into the rivet hole and abut against one side of the rivet.
Optionally, the automatic drilling and riveting equipment further comprises a milling head, the milling head is arranged on the transmission plate, and the milling head can mill the end face of the rivet.
Optionally, the automatic drilling and riveting device further comprises:
the feeding mechanism can drive the transmission plate to move relative to the frame so as to selectively align all parts arranged on the transmission plate with the lower riveting die; and
and the lifting mechanism can drive the lower riveting die to lift so as to enable the lower riveting die to be matched with the upper riveting die to realize press riveting.
Optionally, the automatic drilling and riveting equipment further comprises a camera, the camera can identify the positions of all the parts arranged on the transmission plate, and the feeding mechanism adjusts the position of the transmission plate according to the position identified by the camera.
The utility model has the advantages that:
the utility model provides a rivet mould and automatic brill equipment of riveting rivets the mould and include that the mould is riveted with riveting down to the mould, and upward the mould is riveted can butt rivet one side, and lower riveting die can butt rivet opposite side to realize pressing with last mould cooperation of riveting and rivet. Specifically, lower riveting die includes the lower riveting body and presses the riveting piece, and the lower riveting body can be followed the direction that is close to last riveting die and removed, is provided with the recess on the top surface of pressing the riveting piece, presses riveting piece detachably to connect under on the riveting body. The rivet pressing piece moves along the direction close to the upper riveting die under the driving of the lower riveting body, and the rivet pressed and riveted by the upper riveting die is pressed. Because be provided with the recess on the top surface of pressure riveting spare, therefore rivet the mode that the mould is more concentrated to the effort of rivet than the plane butt down, cause the rivet to warp also more concentrated for the rivet warp concentrates on rivet pole position, has avoided rivet pier nose department to warp too big, has increased the interference volume when rivet and wall compress tightly, improves fastening effect.
Drawings
Fig. 1 is a schematic structural view of an automatic drilling and riveting device in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a lower riveting die in an embodiment of the present invention;
FIG. 3 is a front view of a lower riveting die in an embodiment of the present invention;
fig. 4 is a side view of a lower riveting die in an embodiment of the present invention.
In the figure:
1. riveting heads downwards; 2. riveting heads; 3. a frame; 4. a drive plate;
11. riveting a die; 21. riveting a die; 22. a drilling head; 23. milling a flat head;
111. pressing and riveting the parts; 112. a notch; 113. and (5) lower riveting bodies.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment provides an automatic drilling and riveting device, as shown in fig. 1, the automatic drilling and riveting device comprises an upper rivet head 2 and a lower rivet head 1, wherein the upper rivet head 2 comprises an upper riveting die 21, the lower rivet head 1 comprises a lower riveting die 11, the work flow of the automatic drilling and riveting device is that a wallboard is placed into the automatic drilling and riveting device, a corresponding rivet hole is formed in the wallboard through the upper rivet head 2, glue is sprayed, a rivet of a corresponding brand is inserted into the manufactured rivet hole, and the lower riveting die 11 rises to press the rivet with the upper riveting die 21 so as to realize press riveting.
However, the top surface of the lower riveting die 11 for pressure riveting in the currently used automatic drilling and riveting equipment is set to be a flat surface, that is, the lower riveting die 11 is pressed flat on the surface of the rivet pier head, and all indexes of the rivet processed by the pressure riveting method are stable, but the interference amount when the rivet is pressed with the wall surface is not large, and the fastening effect is not good.
In order to solve the above problem, the present embodiment provides a riveting die, as shown in fig. 1 to 4, the riveting die includes an upper riveting die 21 and a lower riveting die 11, the upper riveting die 21 can abut against one side of a rivet, and the lower riveting die 11 can abut against the other side of the rivet, so as to cooperate with the upper riveting die 21 to realize press riveting. Specifically, the lower riveting die 11 includes a lower riveting body 113 and a rivet pressing member 111, the lower riveting body 113 is capable of moving in a direction close to the upper riveting die 21, a groove is provided on a top surface of the rivet pressing member 111, and the rivet pressing member 111 is detachably connected to the lower riveting body 113 to form the lower riveting die 11. The rivet pressing member 111 is driven by the lower rivet body 113 to move in a direction close to the upper rivet die 21, and realizes rivet pressing by pressing the rivet abutted by the upper rivet die 21.
Because the top surface of the rivet pressing piece 111 is provided with the groove, the mode that the acting force of the lower riveting die 11 on the rivet is more concentrated than that of plane butt is more concentrated, so that the rivet deformation is more concentrated, the rivet deformation is concentrated on the position of a rivet rod, the deformation of the rivet pier head is avoided being too large, the interference amount of the rivet and the wall surface when being compressed is increased, and the fastening effect is improved. In addition, because the rivet pressing piece 111 can be dismantled with lower riveting body 113 and be connected for rivet pressing piece 111 can select the rivet pressing piece 111 of suitable size according to the rivet model, improves the rivet pressing effect of riveting die 11 down, in addition, can in time change before rivet pressing piece 111 wearing and tearing through setting up to dismantling the structure of connecting, with the life who rivets the die in order to improve, guaranteed the rivet pressing effect simultaneously.
Preferably, the groove on the top surface of the rivet pressing piece 111 is provided with a bowl shape, and the lower riveting die 11 of the bowl shape can press and rivet the rivet pier head of the automatic drilling and riveting into a bowl shape, so that the pressing and riveting force is symmetrically concentrated and tightly pressed on the rivet, the processing expansion amount of the rivet is improved to a greater extent, and the fastening effect and the strength of the wall plate are further improved. The riveting die is made of 45 steel materials, the 45 steel is high-quality carbon structural steel, the hardness is high, the wear resistance is good, the service life is long, and the riveting die is suitable for manufacturing a template to realize rivet pressing.
Specifically, as shown in fig. 1 to 4, in order to fix the rivet 111 to the lower rivet body 113, the rivet 111 and the lower rivet body 113 are detachably connected by a fastener. The rivet holder 111 may be provided with a notch 112, and after the rivet holder 111 is placed in the lower rivet body 113, the rivet holder 111 may be fixed to the lower rivet body 113 by inserting a fastener into the notch 112. Alternatively, the fastener may be configured as a screw or a bolt, the shape of the notch 112 may be configured in the form of a fastener, and the fastening rivet pressing piece 111 ensures that no shaking occurs when the lower riveting die 11 presses the rivet, thereby achieving a better pressing rivet effect. In addition, the fastener is provided as a screw or a bolt to easily detach the clincher 111 from the lower rivet body 113, so that the clincher 111 can be replaced. The specific form of the fastener may be set according to the structures of the rivet pressing piece 111 and the lower rivet body 113, and it is sufficient that the rivet pressing piece 111 can be detachably fixed to the lower rivet body 113, and is not specifically limited herein.
The embodiment of the utility model provides an automatic bore equipment of riveting is still provided, as shown in fig. 1, this automatic bore equipment of riveting still includes frame 3 and driving plate 4 including setting up the riveting die on last die 2 and lower die 1, goes up die 2 and fixes both sides about frame 3 respectively with lower die 1. Specifically, an upper riveting die 21 of the riveting die is disposed on the transmission plate 4 on the upper side of the frame 3, a lower riveting die 11 of the riveting die is disposed on the lower side of the frame 3, and the transmission plate 4 can move relative to the frame 3 to align the upper riveting die 21 with the position of the lower riveting die 11. Therefore, the pressing riveting process through the automatic drilling and riveting equipment comprises the following steps: the riveting die 11 is aimed at the position of the required press riveting on the wallboard firstly, the wallboard is fixed through a fixed tool equipped by the automatic drilling and riveting equipment, then the position of the upper riveting die 21 relative to the lower riveting die 11 is adjusted through the transmission plate 4, so that the superposition of the structural center lines of the upper riveting die 21 and the lower riveting die 11 is ensured, and then the lower riveting die 11 is matched with the upper riveting die 21, and the automatic press riveting of the required position of the wallboard is realized.
Because rivets need to be placed at the required riveting positions of the wall plate before automatic riveting, the automatic drilling and riveting equipment needs to be provided with automatic punching and nail feeding functions. Specifically, the upper rivet head 2 proposed in the present embodiment further includes a drill head 22, the drill head 22 is disposed on the driving plate 4, and the drill head 22 can punch holes in the wall plate to form rivet holes. Since the drilling head 22 is arranged on the driver plate 4 on the upper side of the frame 3, the position of the drilling head 22 relative to the lower riveting die 11 can be adjusted by the driver plate 4, so that the drilling head 22 can be lowered to be aligned with the desired riveting position to drill a rivet hole in the wall plate, and thus insert a rivet at the position.
Further, the upper riveting head 2 further comprises a rivet feeding mechanism, the rivet feeding mechanism is sleeved on the outer side of the upper riveting die 21 and can clamp rivets, and the upper riveting die 21 can push the rivets clamped by the rivet feeding mechanism into rivet holes and abut against one side of the rivets. After drilling out the rivet hole on the wallboard by the drilling head 22, pour into the rivet hole into from countersunk head nest one side with certain sealed glue earlier, and then driving plate 4 relative wallboard removal and will send the nail mechanism to rivet hole upper end, through pushing the rivet to rivet downthehole to in carry out subsequent pressure and rivet the operation.
Optionally, the nail feeding mechanism may be configured as an elastic chuck sleeved outside the upper riveting die 21, and the work flow thereof is as follows: firstly, an automatic feeding system equipped with automatic drilling and riveting equipment feeds the rivet into an elastic chuck, and the rivet is positioned and clamped through the elastic chuck; then, the transmission plate 4 drives the elastic chuck to move and enables the elastic chuck to abut against the surface of the wall plate, and meanwhile, the center of the elastic chuck is aligned with the rivet hole; further, the upper riveting die 21 on the inner side of the collet pushes the rivet clamped by the collet, so that the upper riveting die 21 pushes the collet open to feed the rivet into the rivet hole. The collet applies a radial clamping force to the rivet, which results in a stable feed of the rivet into the rivet hole. When the upper riveting die 21 pushes the rivet, the upper riveting die 21 can be in an elastic abutting mode with the outer side of the elastic chuck, so that when the upper riveting die 21 abuts the rivet, the elastic chuck can apply certain axial abutting force to the surface of the wallboard simultaneously, the wallboard is guaranteed to be stable in the press riveting process, and the press riveting accuracy is further improved. In addition, after the rivet pressing is completed by using the rivet feeding mechanism, the upper riveting die 21 is retracted into the elastic chuck, so that the elastic chuck is closed under the elastic action, and preparation is made for the next rivet fed by the automatic feeding system, thereby completing one automatic rivet feeding process.
In this embodiment, as shown in fig. 1, the upper rivet head 2 further includes a milling flat head 23, the milling flat head 23 is disposed on the transmission plate 4, and the milling flat head 23 can mill the end face of the rivet. The convex part of the formed nail head is milled flat for the headless rivet, the compensation head rivet, the crown head rivet and the like, so that the good aerodynamic appearance of the airplane is ensured.
In order to drive the transmission plate 4 to move, so that each part of the upper riveting head 2 can move to the position of the wallboard required to be drilled and riveted to realize automatic drilling and riveting, as shown in fig. 1, the automatic drilling and riveting equipment further comprises a feeding mechanism, and the feeding mechanism can drive the transmission plate 4 to move relative to the frame 3 so as to selectively align each part arranged on the transmission plate 4 to the lower riveting die 11. Specifically, the feeding mechanism includes three-axis movement, the driving mode of the feeding mechanism can be set to be various, such as hydraulic transmission, pneumatic transmission, mechanical transmission and the like, and a program system is arranged inside the automatic drilling and riveting device to control the movement of the transmission plate 4, such as action sequence, movement track, movement speed, time and the like.
When the feeding mechanism is set to be in mechanical transmission, the movement in the directions of the x axis and the y axis can be set to be in gear and rack driving, a gear and rack transmission mode is adopted, certain pretightening force is applied, and gapless transmission is achieved. The feeding stroke in the Z-axis direction is short, so that an alternating-current servo motor can be adopted to drive a ball screw pair to realize the feeding motion of coordinates, the transmission of the ball screw can reduce the running noise, and the phenomenon of low-speed crawling is overcome.
Preferably, for the motion position of control driving plate 4 to guarantee that each part of last die 2 can aim at the required position of boring the riveting of wallboard respectively and rivet in order to realize automatic boring and riveting, automatic boring and riveting equipment still includes the camera, and the camera can discern the position of each part that sets up on the driving plate 4, and feed mechanism adjusts the position of driving plate 4 according to the position of camera discernment. The system utilizes the comparison of the imaging result fed back by the camera to judge the error value, and the position difference between each part of the upper rivet head 2 and the lower riveting die 11 is adjusted by the feeding mechanism to accurately compensate the picking and placing errors so as to accurately position the feeding position of each part of the upper rivet head 2.
Further, the automatic drilling and riveting equipment further comprises a lifting mechanism, and the lifting mechanism can drive the lower riveting die 11 to lift so that the lower riveting die 11 and the upper riveting die 21 are matched to realize press riveting. That is, after the driving plate 4 drives the rivet feeding mechanism to abut the upper riveting die 21 against the rivet, the lifting mechanism can drive the lower riveting die 11 to ascend to press the rivet, so that the press riveting is realized. Specifically, elevating system can set up to hydraulic pressure elevating gear, because hydraulic pressure elevating gear can realize the zero clearance transmission, and the transmission is steady simultaneously, the laborsaving and reaction of operation is fast, therefore is suitable for to drive down to rivet mould 11 and goes up and down in order to realize pressing and riveting.
In this embodiment, as shown in fig. 1 to 4, the rivet pressing member 111 is detachably connected to the lower rivet body 113, that is, when the rivet pressing is performed by using an automatic drilling and riveting device after the mold riveting device is completed, the following steps may be taken:
firstly, determining the position of a wallboard to be drilled and riveted, aligning the position to a lower riveting die 11 for placement, and fixing the wallboard through a fixing tool;
secondly, the feeding mechanism drives the transmission plate 4 to move, the system compares the imaging result fed back by the camera with a judgment error value, and when the result shows that the drilling head 22 moves to the position on the wallboard, which is required to be drilled and riveted, the drilling head 22 is driven to descend so as to drill and rivet holes on the wallboard;
thirdly, injecting a certain amount of sealant into the rivet hole from one side of the countersunk head nest of the rivet hole;
fourthly, the feeding mechanism drives the transmission plate 4 to move, the system compares and judges an error value through an imaging result fed back by the camera, when the result shows that the center of the nail feeding mechanism moves to the rivet hole, the nail feeding mechanism is driven to descend to abut against the surface of the wallboard, and the upper riveting die 21 pushes the rivet clamped by the nail feeding mechanism into the rivet hole and abuts against one side of the rivet;
fifthly, driving the lower riveting die 11 to ascend by the lifting mechanism, and enabling the lower riveting die 11 to be matched with the upper riveting die 21 to realize press riveting;
and sixthly, the feeding mechanism drives the transmission plate 4 to move, the system compares the imaging results fed back by the camera to judge an error value, and when the result shows that the center of the milling flat head 23 moves to the rivet position, the milling flat head 23 is driven to descend to mill the end face of the rivet, so that the whole automatic drilling and riveting process is completed. The feeding mechanism and the lifting mechanism drive the transmission plate 4 and the lower rivet head 1 to return to the height before processing, the wall plate can be placed at the next position, and the automatic feeding system feeds the rivets into the rivet feeding mechanism to complete the preparation of the next stage.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A riveting die, comprising:
an upper riveting die (21), wherein the upper riveting die (21) can be abutted against one side of a rivet; and
lower riveting die (11), lower riveting die (11) includes:
the lower riveting body (113), the lower riveting body (113) can move along the direction close to the upper riveting die (21);
the riveting die comprises a riveting piece (111), wherein a groove is formed in the top surface of the riveting piece (111), the riveting piece (111) is detachably connected to the lower riveting body (113), the groove can abut against the other side of the rivet, and the riveting die is matched with the upper riveting die (21) to realize riveting.
2. The riveting die of claim 1, wherein the recess is bowl-shaped.
3. Riveting die according to claim 1, characterized in that the riveting member (111) and the lower body (113) are detachably connected by means of fasteners.
4. An automatic drilling and riveting device, characterized by comprising a riveting die according to any one of claims 1-3.
5. The automatic drill-rivet apparatus of claim 4, further comprising:
the upper riveting die (21) and the lower riveting die (11) are respectively fixed on the upper side and the lower side of the frame (3);
the upper riveting die (21) is arranged on the transmission plate (4), and the transmission plate (4) can move relative to the frame (3) so as to align the upper riveting die (21) to the position of the lower riveting die (11).
6. The automatic drill-rivet apparatus according to claim 5, characterized in that it further comprises a drilling head (22), said drilling head (22) being arranged on the driver plate (4), said drilling head (22) being capable of making holes in the wall plate to form rivet holes.
7. The automatic drill-rivet apparatus of claim 6, further comprising:
the rivet feeding mechanism is sleeved on the outer side of the upper riveting die (21) and can clamp the rivet, and the upper riveting die (21) can push the rivet clamped by the rivet feeding mechanism into the rivet hole and abut against one side of the rivet.
8. The automatic drilling and riveting device according to claim 6, characterized by further comprising a milling head (23), wherein the milling head (23) is arranged on the transmission plate (4), and the milling head (23) can mill a rivet end face.
9. The automatic drill-rivet apparatus of any one of claims 5-8, further comprising:
a feeding mechanism capable of driving the transmission plate (4) to move relative to the frame (3) so as to selectively align each part arranged on the transmission plate (4) with the lower riveting die (11); and
the lifting mechanism can drive the lower riveting die (11) to lift so that the lower riveting die (11) is matched with the upper riveting die (21) to realize press riveting.
10. The automatic drilling and riveting device according to claim 9, further comprising a camera capable of identifying the position of each component provided on the driving plate (4), wherein the feeding mechanism adjusts the position of the driving plate (4) according to the position identified by the camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922184049.8U CN211413535U (en) | 2019-12-09 | 2019-12-09 | Riveting die and automatic drilling and riveting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922184049.8U CN211413535U (en) | 2019-12-09 | 2019-12-09 | Riveting die and automatic drilling and riveting equipment |
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| CN211413535U true CN211413535U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967714A (en) * | 2021-10-22 | 2022-01-25 | 台山市万力达金属制品科技有限公司 | Riveting die and riveting equipment of telescopic bracket |
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2019
- 2019-12-09 CN CN201922184049.8U patent/CN211413535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967714A (en) * | 2021-10-22 | 2022-01-25 | 台山市万力达金属制品科技有限公司 | Riveting die and riveting equipment of telescopic bracket |
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