CN208195546U - Pre-buried channel flow rivet rod riveting system - Google Patents
Pre-buried channel flow rivet rod riveting system Download PDFInfo
- Publication number
- CN208195546U CN208195546U CN201721845520.8U CN201721845520U CN208195546U CN 208195546 U CN208195546 U CN 208195546U CN 201721845520 U CN201721845520 U CN 201721845520U CN 208195546 U CN208195546 U CN 208195546U
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- Prior art keywords
- lower die
- rivet rod
- supporting plate
- buried channel
- channel flow
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- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
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Abstract
The utility model discloses a kind of pre-buried channel flow rivet rod riveting systems, including the press machine, mechanical arm and heating furnace set gradually；The press machine is equipped with crimp, which includes upper die and lower die and pedestal, and clamping mechanism is equipped between upper mold and lower die；The mechanism that holds includes supporting plate, and the centre of the supporting plate is equipped with lower die cavity, and supporting plate two sides are equipped with and hold structure；The lower end of the lower die is fixed on the base, and upper end is placed in the lower die cavity, and can be slided above and below relatively with lower die cavity；The pedestal is equipped with several pilot holes, and the lower end surface of the supporting plate is equipped with several guide posts matched with the pilot hole, and the guide post is packed into the pilot hole；Servo-operated mechanism is equipped between press machine and mechanical arm, the height of the work top of the transmission mechanism is consistent with the height of the lower die.
Description
Technical field
The utility model patent is related to a kind of pre-buried channel flow riveting equipment, especially a kind of pre-buried channel flow rivet rod riveting system
System.
Background technique
Pre-buried channel flow originates from Europe at first, is mainly used for nuclear power engineering, then gradually extends to civil engineering, such as subway
Tunnel shield piece, underground pipe gallery, at present in developed country, the subway work overwhelming majority is all made of the skill of pre-buried channel flow
Art scheme.In recent years, the arrangement and method for construction of pre-buried channel flow is also gradually promoted at home, especially in current subway work,
The usage amount of pre-buried channel flow also gradually starts to increase, such as No. 9 lines of Shenzhen Metro, Shijiazhuang Line 2 Metro, Lanzhou subway Line 1
Deng.
Compared with traditional live bar planting, pre-buried channel flow embodies more advantage, can effectively reduce the labor of worker
Fatigue resistance improves working efficiency, while the pollution condition of Noise Exposure and dust work is also not present in construction site.
The production of pre-buried channel flow at present mostly uses hot-rolled channel, and back rivet or weld rivet rod is welded because of its processing efficiency
It is low, require height to be gradually riveted substitution worker operation skill.Using the method for riveting at present there is also this more problem, speed
Degree is slow, the problem of loosening after riveting.
Utility model content
The purpose of this utility model is to provide a kind of pre-buried channel flow rivet rod riveting systems, improve riveting efficiency, enhance riveting
The fastness of bar riveting.
To achieve the above object, the technical solution adopted in the utility model are as follows: pre-buried channel flow rivet rod riveting system, including according to
Press machine, mechanical arm and the heating furnace of secondary setting；The press machine be equipped with crimp, the crimp include upper mold,
Lower die and pedestal are equipped with clamping mechanism between upper mold and lower die；The mechanism that holds includes supporting plate, and the centre of the supporting plate is set
There is lower die cavity, supporting plate two sides are equipped with and hold structure；The lower end of the lower die is fixed on the base, and upper end is placed in the lower die
In slot, and it can be slided above and below relatively with lower die cavity；The pedestal is equipped with several pilot holes, the lower end surface of the supporting plate
Several guide posts matched with the pilot hole are equipped with, the guide post is packed into the pilot hole；Press machine
Servo-operated mechanism, the height one of the height of the work top of the transmission mechanism and the lower die are equipped between mechanical arm
It causes.
When riveting rivet rod, the conduit of well cutting is put on the work top of servo drive structure, servo-operated mechanism
Conduit is sent in lower die, rivet rod of the mechanical arm after taking out heating in heating furnace is put into the riveted holes on conduit, passes through folder
Gear grips are embraced, moving down upper mold can rivet rivet rod on conduit.Scenario-frame provided by the utility model is simple, automatically
Change degree is high, can not only effectively improve the intensity of rivet rod riveting, and rivet rod will not be made to deform.
Further, the middle part of the upper surface of the upper mold is equipped with die shank, and the middle part of lower end surface is equipped with briquetting；Upper mold
Both ends are respectively equipped with inclined wedge, and notch is equipped in the middle part of the lower end of the inclined wedge；The mechanism that holds includes that the upper end of supporting plate is arranged in
The two symmetrical sliding block of lateral edge supporting plate median plane of face, two opposite inside bottoms of sliding block are respectively equipped with notch, the notch and half
The shape of conduit is consistent；The both ends of supporting plate are respectively equipped with baffle, which is equipped with mounting hole, and the two sides of the sliding block are distinguished
Equipped with pull rod, the other end of the pull rod is installed with compression spring in the body of rod after mounting hole；The size of the notch is greater than
The size of the baffle.
The notch of two inner side of slider constitutes notch in opposite directions, and upper mold moves down, and inclined wedge squeezes sliding block and moves inward clamping
Anchor pole, so that rivet rod will not deform in riveting process, after riveting, the spring on pull rod pulls sliding block to move outward,
Convenient to install rivet rod next time, riveting speed is fast, and riveting effect is good.
Further, the described mechanism that holds further includes the inner slide that two inner side of slider are arranged in, and the one of the inner slide
Hold arc-shaped, the other end is installed with compressed spring, and spacer pin is equipped between inner slide and sliding block.
Two arcuate structures, which are formed in, moves inward formula, constitutes the circle consistent with rivet rod, is formed and is oriented to anchor pole
Positioning.
Further, the opposite medial surface of two sliding blocks is equipped with arcuate structure, the arcuate structure longitudinal side
Oblique angle is equipped with top.
The oblique angle facilitates the movement of rivet rod, improves the docking operation between rivet rod and conduit.
Further, the upper surface of the sliding block and the supporting plate is equipped with guide rail, and sliding block can be certainly in guide rail
By sliding.
Guide rail structure can effectively reduce friction, improve operating efficiency, prolong the service life.
Further, the lower end inside of the inclined wedge is equipped with inner bevel, and the sliding block apical lateral is equipped with outer oblique angle,
The inclined-plane of the inner bevel and the plane at outer oblique angle are parallel to each other.
It is convenient for rapid-aligning between riveted type upper mold and lower die in the oblique angle that inclined-plane is parallel to each other.
Further, the two sides of the pedestal are respectively equipped with barricade, and the barricade is equipped with hole, the pull rod
The other end passes through barricade.
The effect of barricade be prevent inclined wedge be bent outwardly deformation.
Further, the pedestal lower end surface is equipped with rubber pad, which is bolted on the bottom
On seat.
Rubber pad rubber pad functions as compression spring, is capable of providing biggish elastic force.
Detailed description of the invention
Fig. 1, pre-buried channel flow rivet rod riveting equipment main view；
Fig. 2, mold die opening state longitudinal profile structure schematic；
Fig. 3, mold work state longitudinal profile structure schematic；
Fig. 4, mechanism longitudinal profile structure chart is held；
Fig. 5, mold top view.
In figure: 1, die shank, 2, upper mold, 3, inclined wedge, 4, briquetting, 5, spacer pin, 6, sliding block, 7, inner slide, 8, little spring, 9,
Barricade, 10, pedestal, 11, clamping plate, 12, rubber pad, 13, bushing, 14, guide post, 15, supporting plate, 16, compression spring, 17, lower die,
18, baffle, 19, pull rod, 20, servo-operated mechanism, 21, mechanical arm, 22, heating furnace, 23, crimp, 24, press machine.
Specific embodiment
As Figure 1-Figure 4, pre-buried channel flow rivet rod riveting system, including press machine 24,21 and of mechanical arm set gradually
Heating furnace 22, heating furnace can use induction heating mode.The press machine is equipped with crimp 23, the crimp 23
Including upper mold 2, lower die 17 and pedestal 10, clamping mechanism is equipped between upper mold 2 and lower die 17；The clamping mechanism includes supporting plate
15, the centre of the supporting plate 15 is equipped with lower die cavity, and supporting plate two sides are equipped with and hold mechanism；The lower end of the lower die 17 is fixed on pedestal
On 10, upper end is placed in the lower die cavity, and can be with respect to lower slider, using rigid between the lower die 17 and pedestal 10 with lower die cavity
Property connection.The pedestal 10 is equipped with pilot hole, is equipped with bushing 13 in the pilot hole, which is equipped with and institute
The guide post that the pilot hole stated matches, the guide post are packed into the pilot hole.Between press machine 24 and mechanical arm
Equipped with servo-operated mechanism 20, the height of the work top of the servo-operated mechanism 20 is consistent with the height of lower die 17.
Press machine 24, servo-operated mechanism 20 are consistent with 23 face height of riveting die set, and rivet rod mechanical arm 21 is located at servo drive machine
The rear portion of structure 20.After press machine 24 completes a riveting, servo-operated mechanism 20 is completed once to transmit forward, transmitting range and anchor
Distance between tie rods is equal；Rivet rod mechanical arm 21 completes a rivet rod crawl placement simultaneously.
The width of lower die 17 matches with conduit opening width, and conduit can be slided freely along lower die 17, lower die 17 and pedestal
10 be rigid connection.
When riveting rivet rod, the conduit of well cutting is put on the work top of servo drive structure, servo-operated mechanism
Conduit is sent in lower die, rivet rod of the mechanical arm after taking out heating in heating furnace is put into the riveted holes on conduit, passes through folder
Gear grips are embraced, moving down upper mold can rivet rivet rod on conduit.
Scenario-frame provided by the utility model is simple, high degree of automation, can not only effectively improve rivet rod riveting
Intensity, and rivet rod will not be made to deform.
The middle part of the upper surface of the upper mold 2 is equipped with die shank 1, and the middle part of lower end surface is equipped with briquetting 4；The both ends of upper mold point
Not She You inclined wedge 3, be equipped with notch in the middle part of the lower end of the inclined wedge 3.Die shank 1, upper mold 2, inclined wedge 3 and briquetting 4 are connected by screw bolts, structure
Whole at a rigidity, two inclined wedges are located at left and right outside, and briquetting 4 is located at center.
The mechanism that holds includes supporting plate 15, and there are the space of certain altitude between supporting plate 15 and pedestal 10, space is high
Degree is greater than the deformation length of rivet rod.Both sides of the upper end of the supporting plate 15 is respectively equipped with along the symmetrical sliding block 6 of supporting plate median plane, and two
The opposite inside bottom of sliding block 6 is respectively equipped with notch；The both ends of supporting plate 15 are respectively equipped with baffle 18, which is equipped with installation
Hole, the two sides of the sliding block are respectively equipped with pull rod 19, and the other end of the pull rod 19 is installed with pressure in the body of rod after mounting hole
Power spring 16；The size of the notch is greater than the size of the baffle.The middle part of supporting plate 15 is equipped with lower die mounting hole, described
Lower die stretched out out of mounting hole.
3 bottom sides of inclined wedge are inclined-plane, and 6 top outside of sliding block is inclined-plane, and the inclined-plane of inclined wedge 3 and sliding block 6 is parallel to each other,
The distance between two inclined wedges 3 and sliding block hold tightly after being equidistant, the pushing of inclined wedge 3 clamps sliding block 6 when work.
The notch of two inner side of slider constitutes notch in opposite directions, and upper mold moves down, and inclined wedge squeezes sliding block and moves inward, left and right
The reserved space of two sliding blocks 6, the with good grounds rivet rod in inboard portion and channel shape, conduit and rivet rod are enclosed in completely when work
Wherein, so that rivet rod will not deform in riveting process, after riveting, the spring on pull rod pulls sliding block to move outward,
Convenient to install rivet rod next time, riveting speed is fast, and riveting effect is good.
The mechanism that holds further includes the inner slide 7 that two inner side of slider are arranged in, and one end of the inner slide 7 is in arc
Shape, the other end are installed with little spring, and spacer pin is equipped between inner slide and sliding block.When actual fabrication, 7 one end of inner slide and small bullet
Spring 8 is connected and is embedded in sliding block 6, and 7 other end of inner slide is exposed, and the with good grounds rivet rod shape in exposed end head position is reserved lacks
Mouthful, and side gap is big, side gap is small, and two 7 symmetrical shapes of inner slide, gap position can just clamp rivet rod；Spacer pin 5
Inner slide 7 is passed through by sliding block 6, plays the restriction to 7 position of inner slide.Two arcuate structures, which are formed in, moves inward formula, structure
At the circle consistent with rivet rod stress damage will not be caused to rivet rod while improving clamping degree.When work, 8 bullet of little spring
Power is greater than the frictional force between inner slide 7 and sliding block 6.
The opposite medial surface of two sliding blocks 6 is equipped with arcuate structure, and the arcuate structure longitudinal side and top are set
There is oblique angle.The oblique angle facilitates the movement of rivet rod, improves the docking operation between rivet rod and conduit.The sliding block and the support
The upper surface of plate is equipped with guide rail, and sliding block can be free to slide in guide rail.Guide rail structure can effectively reduce friction, improve
Operating efficiency prolongs the service life.
The lower end inside of the inclined wedge 3 is equipped with inner bevel, and the sliding block apical lateral is equipped with outer oblique angle, and described is interior
The inclined-plane at oblique angle and the plane at outer oblique angle are parallel to each other.The oblique angle that inclined-plane is parallel to each other is convenient for fast between upper mold and lower die when riveting
Speed contraposition.
The two sides of the pedestal 10 are respectively equipped with barricade 9, and the barricade 9 is equipped with hole, the pull rod 19 it is another
One end passes through barricade,.In actual fabrication, barricade 9 and pedestal 10 are connected by screw bolts one rigidity entirety of composition, open among barricade
There is long hole, compression spring 16 passes through long hole and is connected with sliding block 6.
10 lower end surface of pedestal is equipped with rubber pad 12, which is fixed on described by bolt and clamping plate 11
Pedestal 10 on.Rubber pad 12 plays compression spring, improves screen resilience.In processing, 10 lower part of pedestal is sequentially installed with
Clamping plate 11 and rubber 12, three, which is bolted, to be integral.Guide post 14,14 top of guide post connection support are housed on pedestal
Plate, lower part are connect with clamping plate 11.When riveting, the lower pressure of upper mold 4 is greater than the elastic force of rubber 12.
Another of the utility model is designed to provide a kind of clinching method of pre-buried channel flow, low to solve riveting intensity
With the problem of rivet rod is easily deformed in riveting process.
To achieve the above object, the scheme that the utility model uses are as follows: the clinching method of pre-buried channel flow, including walk as follows
It is rapid:
(1) in several circular holes of punching press at the slot bottom interval of conduit, the diameter of the circular hole is slightly larger than the diameter of rivet rod；
(2) according to the needs of site operation, conduit is cut；
(3) conduit of well cutting is placed on the work top of servo-operated mechanism, conduit is sent into press machine upper and lower mould
In；
(4) rivet rod of the rivet rod clamping machine arm after taking out heating in heating furnace, is put into the circular hole on conduit,
(5) start press machine, press machine drives upper mold to push, primary riveting can be completed.
The clinching method high degree of automation that this programme provides, it is easy to operate, it can effectively be dropped by the way of rivet hot
Variation in rigidity in low rivet rod riveting process improves riveting intensity.
This hair designs a Special riveting mold, Special riveting mold be by hold mechanism and positioning mechanism by conduit and
Rivet rod is fixed as one, then whole to move down, and generates a pressure to rivet rod head, rivet rod head is made to generate deformation, complete riveting.
When work, upper mold is moved downward, and inclined wedge squeezes sliding block and moves clamping conduit and rivet rod inwards, later upper mold and fixture block
Continue to move downward as a whole, because lower die is to be rigidly fixed on lower template, during moving down, rivet rod by because
Pressure generates deformation, is finally completed riveting.
When 19 die opening state of crimp, pre-buried channel flow can be along 17 forward slip of lower die, and pushes a conduit and to riveting
Bar is once positioned, and having can not inverse operation.
The manufacturing process of the utility model is as follows:
(1) lower lower die 17 is made according to conduit opening width, rivet rod deflection, 17 width of lower die is mutually fitted with channel width
It answers, it is highly consistent with the deflection generated after rivet rod riveting.
(2) supporting plate 15 is made, the notch to match with lower die 17 is provided among supporting plate 15, in order to which supporting plate 15 can be upper and lower
It is mobile, as shown in Figure 1.
(3) pedestal 10 is made, corresponding round hole is provided among pedestal 10, circular hole is packed into bushing 13, and guide post 14 passes through
Bushing 13,14 top of guide post are connected with supporting plate 15, and lower part is connected with clamping plate 11, and guide post 14 exceeds the height of pedestal 10
Greater than the deflection after rivet rod riveting.Thick rubber 12 is placed with below clamping plate, clamping plate 11, rubber 12 and pedestal 10 pass through length
Bolt is integrally connected.
(5) barricade 9 is made, is emptied in the middle part of barricade 9, so that spring 16 is freely passed into and have certain activity downwards,
The deflection that activity is generated with rivet rod matches.Barricade 9 is bolted on pedestal 10.Between two barricades 9 away from
Just two inclined wedges 3 can be clamped from mold work, as shown in Figure 1.
(6) inner slide 7 is made, width is greater than rivet rod, one end tack, other end spill, spill and rivet rod diameter phase
Matching, and along corner cut under female end, as shown in Figure 4.
(7) sliding block 6 is made, the outer upper of left and right sliding block 6 is made as inclined-plane, and 6 compressive plane appropriate location of sliding block is internally
Drilling, hole is inner small and outside big, constitutes inner slide hole, and specific size matches with inner slide 7.Also a size and limit are bored in 6 top surface of sliding block
The hole that position pin 5 matches, and the hole penetrates inner slide hole.And sliding block clamp side dig out it is consistent with conduit and the half side shape of rivet rod
Space when two sliding blocks 6 step up, just clamps conduit and rivet rod, as shown in Figure 3.
(8) little spring 8 is penetrated in inner slide hole, then inner slide 7 is put into 6 hole of sliding block, later wears spacer pin 5
Enter limit pin hole.Sliding block 6 is limited on supporting plate 15 using guide rail after completion.Spring 16 passes through barricade 9 simultaneously, such as Fig. 3 institute
Show.
(9) die shank 1, upper mold 2, inclined wedge 3 and briquetting 4 are made.The lower inside surface of inclined wedge 3 has parallel to each other with sliding block 6
Inclined-plane, and inclined wedge lower part is provided with groove, convenient for avoiding spring 16 during it is moved down.Above-mentioned 4 parts are connected as one
Body.
(10) mold 23 is placed on press machine 24 and is fixed, adjust the height and its programming ginseng of servo transport mechanism 20
Number, enables conduit smoothly to transmit in mold 19, and speed is consistent back and forth with one, press machine work for transmission speed, adjustment
The position of rivet rod mechanical arm 21, and adjusting its program parameters makes it complete time and pressure that a rivet rod grabs and completes placement
Speed is consistent back and forth for one, machine work.
When work, press machine complete a rivet rod riveting, servo-operated mechanism to conduit of driving front (transmission away from
Determined from being cleared up according to the time of anchor pole spacing), while rivet rod mechanical arm completes primary crawl rivet rod and is placed into conduit back
The process of riveting rod hole.
The working process of the utility model is as follows:
When mold work, conduit enters in mold along lower die 17, and the head top to the upper surface of lower die 17 of rivet rod, servo passes
Motivation structure 20 pushes forward rivet rod, until inner slide 7 just blocks the position of rivet rod.
Press ram is run down, and left and right sliding block 6 starts movement inwards and clamps conduit and rivet rod.Briquetting 4 is whole simultaneously
It moves down, when in left and right, sliding block 6 is clamped, inclined wedge just wedges the gap between barricade 9 and sliding block 6 completely.
Then entire upper mold 4, sliding block 6 and floating pallet 15 continue integrally to move down, and lower die 17 is to be rigidly fixed in pedestal 10
On, it is immovable, it will generate at this time and its Leading Edge Deformation is forced to rivet rod generation extruding force, and complete riveting.After completing primary riveting, pressure
24 pressure head of power machine moves upwards, while servo-operated mechanism 20 drives conduit to travel forward again, and rivet rod mechanical arm grabs again
Rivet rod is simultaneously placed in the hole of conduit back, carries out next working cycles.
Claims (8)
1. a kind of pre-buried channel flow rivet rod riveting system, including the press machine, mechanical arm and heating furnace set gradually；Its feature exists
In the press machine is equipped with crimp, which includes upper die and lower die and pedestal, between upper mold and lower die
Equipped with holding mechanism；The mechanism that holds includes supporting plate, and the centre of the supporting plate is equipped with lower die cavity, and supporting plate two sides are equipped with and hold knot
Structure；The lower end of the lower die is fixed on the base, and upper end is placed in the lower die cavity, and can be relatively upper and lower with lower die cavity
Sliding；The pedestal is equipped with several pilot holes, and the lower end surface of the supporting plate is equipped with to be matched with the pilot hole
Several guide posts, the guide post is packed into the pilot hole；Servo drive machine is equipped between press machine and mechanical arm
Structure, the height of the work top of the transmission mechanism are consistent with the height of the lower die.
2. pre-buried channel flow rivet rod riveting system described in accordance with the claim 1, which is characterized in that the upper surface of the upper mold
Middle part is equipped with die shank, and the middle part of lower end surface is equipped with briquetting；The both ends of upper mold are respectively equipped with inclined wedge, are equipped in the middle part of the lower end of the inclined wedge
Notch；Both sides of the upper end of the supporting plate is equipped with along the symmetrical sliding block of supporting plate median plane, the opposite inside bottom of two sliding blocks
It is respectively equipped with notch；The both ends of supporting plate are respectively equipped with baffle, which is equipped with mounting hole, and the two sides of the sliding block are set respectively
There is pull rod, the other end of the pull rod is installed with compression spring in the body of rod after mounting hole；The size of the notch is greater than institute
The size for the baffle stated.
3. pre-buried channel flow rivet rod riveting system according to claim 2, which is characterized in that the mechanism that holds further includes
The inner slide of two inner side of slider is set, one end of the inner slide is arc-shaped, and the other end is installed with compressed spring, inner slide with
Spacer pin is equipped between sliding block.
4. pre-buried channel flow rivet rod riveting system according to claim 2, which is characterized in that two sliding blocks are opposite
Medial surface is equipped with arcuate structure, and the arcuate structure longitudinal side and top are equipped with oblique angle.
5. pre-buried channel flow rivet rod riveting system according to claim 2, which is characterized in that the sliding block and the support
The upper surface of plate is equipped with guide rail, and sliding block can be free to slide in guide rail.
6. pre-buried channel flow rivet rod riveting system according to claim 2, which is characterized in that the lower end inside of the inclined wedge
Equipped with inner bevel, the sliding block apical lateral is equipped with outer oblique angle, and the inclined-plane of the inner bevel and the plane at outer oblique angle are mutual
In parallel.
7. pre-buried channel flow rivet rod riveting system according to claim 2, which is characterized in that distinguish the two sides of the pedestal
Equipped with barricade, the barricade is equipped with hole, and the other end of the pull rod passes through barricade.
8. according to the described in any item pre-buried channel flow rivet rod riveting systems of claim 1-7, which is characterized in that under the pedestal
End face is equipped with rubber pad, which is bolted on the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721845520.8U CN208195546U (en) | 2017-12-27 | 2017-12-27 | Pre-buried channel flow rivet rod riveting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721845520.8U CN208195546U (en) | 2017-12-27 | 2017-12-27 | Pre-buried channel flow rivet rod riveting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208195546U true CN208195546U (en) | 2018-12-07 |
Family
ID=64490779
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721845520.8U Expired - Fee Related CN208195546U (en) | 2017-12-27 | 2017-12-27 | Pre-buried channel flow rivet rod riveting system |
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| Country | Link |
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| CN (1) | CN208195546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044016A (en) * | 2017-12-27 | 2018-05-18 | 河南大森机电股份有限公司 | Pre-buried channel flow rivet rod riveting system and clinching method |
-
2017
- 2017-12-27 CN CN201721845520.8U patent/CN208195546U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044016A (en) * | 2017-12-27 | 2018-05-18 | 河南大森机电股份有限公司 | Pre-buried channel flow rivet rod riveting system and clinching method |
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