CN114161111A - Bolt feeding method and bolt tightening equipment and process applied by same - Google Patents
Bolt feeding method and bolt tightening equipment and process applied by same Download PDFInfo
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- CN114161111A CN114161111A CN202111509978.7A CN202111509978A CN114161111A CN 114161111 A CN114161111 A CN 114161111A CN 202111509978 A CN202111509978 A CN 202111509978A CN 114161111 A CN114161111 A CN 114161111A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000011068 loading method Methods 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a bolt feeding method and bolt tightening equipment and a bolt tightening process applied by the bolt feeding method, wherein the bolt feeding method comprises the steps of feeding a bolt into a bolt feeding pipe at one time, and pushing the bolt in the bolt feeding pipe to move by using fluid; before the bolt enters the feeding device, the moving speed of the bolt is reduced or reduced to zero, and then the bolt enters the feeding device; and finishing feeding. The bolt tightening equipment at least comprises a bolt feeding pipe, the feeding end of the bolt feeding pipe is communicated with an automatic feeding system and a high-pressure gas conveying system, and the automatic feeding system conveys bolts to the feeding end of the bolt feeding pipe; the high-pressure gas conveying system utilizes flowing gas to push the bolt to move in the bolt feeding pipe; the bolt blocking module is arranged close to the discharge end of the bolt feeding pipe and used for blocking the bolts in the bolt feeding pipe; the bolt can be prevented from being collided and damaged in the feeding process, the bolt tightening operation is completely mechanized, the efficiency is high, and the assembling quality is reliable.
Description
Technical Field
The invention relates to a bolt feeding method and bolt tightening equipment and a bolt tightening process applied by the bolt feeding method.
Background
When the transmission shell is assembled, a large number of connecting pieces such as bolts and screws are used, and in order to improve the assembling quality and efficiency, the mechanical operation of a tightening gun is mostly adopted. When the bolt is delivered to the underside of the tightening gun, the bolt typically enters obliquely rather than in the direction of the tightening gun, which results in the threads of the bolt contacting the walls of the bolt loading assembly. Particularly, when the bolts are conveyed by high-pressure gas, the bolts moving at high speed are easily damaged when contacting with tightening equipment, so that partial connection or all connection of the bolts are failed, and the quality of the transmission is seriously influenced. .
Disclosure of Invention
The invention aims to solve the technical problem of providing a bolt feeding method and bolt tightening equipment and a bolt tightening process applied by the bolt feeding method, which can avoid the collision and damage of bolts in the feeding process, and have the advantages of completely mechanized bolt tightening operation, high efficiency and reliable assembly quality.
In order to solve the technical problems, the technical scheme of the invention is as follows: the bolt feeding method comprises the steps of feeding a bolt into a bolt feeding pipe at a time, and pushing the bolt in the bolt feeding pipe to move by using fluid; before the bolt enters the feeding device, the moving speed of the bolt is reduced or reduced to zero, and then the bolt enters the feeding device to complete feeding.
Preferably, the fluid is a gas.
The bolt tightening equipment at least comprises a bolt feeding pipe, the feeding end of the bolt feeding pipe is communicated with an automatic feeding system and a high-pressure gas conveying system, and the automatic feeding system conveys bolts to the feeding end of the bolt feeding pipe; the high-pressure gas conveying system utilizes flowing gas to push the bolt to move in the bolt feeding pipe;
the bolt blocking device is characterized by further comprising a bolt blocking module, wherein the bolt blocking module is arranged close to the discharge end of the bolt feeding pipe and used for blocking bolts in the bolt feeding pipe.
Preferably, the bolt blocking module comprises
The pipe connector is provided with a through hole which vertically penetrates through the pipe connector and is communicated with the bolt feeding pipe; a sliding block hole is also arranged in the pipe connecting body and is communicated with the through hole;
and the sliding block is arranged in the sliding block hole in a sliding manner, and the sliding block can seal or open the through hole when sliding relative to the pipe connecting body.
As preferred technical scheme, still including screwing up the module, it includes vertical guide rail to screw up the module, is equipped with on the vertical guide rail
A tightening gun assembly for pushing and tightening the bolt;
the sleeve assembly is used for adsorbing the bolt;
and the bolt feeding assembly is used for accommodating bolts.
According to a preferable technical scheme, the bolt feeding assembly comprises a connecting block fixed on the vertical guide rail, a bolt feeding cavity is arranged in the connecting block, and the bolt feeding cavity is communicated with a bolt feeding pipe; two clamping flaps are arranged in the bolt feeding cavity and are respectively positioned on two sides of a discharge hole of the bolt feeding pipe; the clamping flaps are rotatably arranged on the connecting block, and the connecting block is also provided with a control component for controlling the lower ends of the two clamping flaps to be close to or far away from each other.
As a preferred technical scheme, the control assembly comprises a push plate, and the push plate is arranged on the outer wall of the connecting block in a vertically sliding manner; the push plate is also provided with an action guide hole, the clamping flap is fixed with a guide post, and the guide post extends into the action guide hole; the two clamping flaps are controlled to approach or move away from each other along with the up-and-down movement of the push plate.
Preferably, the sleeve assembly comprises
The lower sliding seat is arranged on the vertical guide rail in a sliding manner;
the lifting cylinder is fixed at the lower end of the vertical guide rail; under the action of the lifting cylinder, the lower sliding seat slides up and down along the vertical guide rail;
and the sleeve is fixed on the lower sliding seat, the inner cavity of the sleeve is also communicated with a negative pressure air path, when the negative pressure air path is communicated with the sleeve, negative pressure can be formed in the inner cavity of the sleeve, and the sleeve is matched with the bolt feeding assembly to suck the bolt.
As a preferred technical scheme, the tightening gun assembly comprises an upper sliding seat which is arranged on a vertical guide rail in a sliding manner; a module cylinder is fixed at the upper end of the vertical guide rail, and the upper sliding seat slides up and down along the vertical guide rail under the driving of the module cylinder; an electric tightening gun is fixedly arranged on the upper sliding seat, and a tightening drape head of the electric tightening gun is matched with the sleeve pipe assembly to tighten the bolt.
The bolt tightening process realized by the bolt tightening equipment comprises
Bolt feeding:
the through hole is closed by the slide block, the automatic feeding system supplies the bolt to the feeding end of the bolt feeding pipe, and the high-pressure gas conveying system works to push the bolt to move in the bolt feeding pipe; when detecting that the bolt reaches the slide block, timing is started, and the high-pressure gas conveying system is controlled to stop blowing after the set time; then, controlling the slide block to open the through hole, and feeding the bolt;
the sleeve assembly adsorbs the bolt;
the tightening gun assembly pushes and tightens the bolt.
The utility model provides a bolt material loading method, before the bolt gets into loading attachment, reduce the translation rate of bolt or fall to zero, then the bolt reentrant loading attachment, speed when the bolt gets into loading attachment is little, for example can only get into loading attachment under the dead weight effect, can avoid the oblique material loading of bolt to cause the problem of screw thread damage completely, material loading high quality. The bolt tightening equipment is reasonable in structure and low in manufacturing cost, solves the problem of bolt feeding through low cost investment, and meanwhile achieves bolt high-efficiency tightening operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 structural view of a bolt tightening apparatus;
FIG. 2 is a schematic view of a tightening module;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a schematic view showing the connection state of the bolt blocking module and the bolt feeding pipe;
FIG. 5 is a schematic structural view of a bolt stopping module;
FIG. 6 is a schematic view of the bolt-blocking module in an open state;
fig. 7 is a structural schematic diagram of a bolt blocking module in a closed state.
1-a robot; 11-a connecting plate; 12-a module mounting plate;
2-screwing the module; 21-electric tightening gun; 22-a module cylinder; 23-a sliding seat; 24-a guide rail; 25-screwing down the batch head; 26-a cannula; 27-bolt feed tube; 28-bolt feeding assembly; 281-a valve clamping cylinder; 282-push plate; 283-action guide hole; 284-guide post; 285-pinching of petals; 286-connecting block; 287-a guide table; 288-mobile guide hole; 29-a lifting cylinder;
3-servo position changing device; 31-a deflection guide rail; 32-a mounting bracket;
4-stop bolt module; 41-slider hole; 42-a slider cylinder; 43-a sealed shell; 44-a through hole; 45-a slide block; 46-bolt holes; 47-a tube connector;
5-bolt.
Detailed Description
The bolt feeding method comprises the steps of feeding one bolt 5 into the bolt feeding pipe 27 at a time, and pushing the bolt 5 in the bolt feeding pipe 27 to move by using fluid;
the bolt feeding pipe 27 is provided with the bolt blocking module 4, before the bolt 5 enters the feeding device, the bolt 5 is blocked and reduced through the contact of the bolt blocking module 4 and the end face of the bolt 5, so that the speed of the bolt 5 is reduced or reduced to zero, then the bolt blocking module 4 is controlled to release the bolt 55, and the bolt 5 enters the feeding device to complete feeding.
The fluid may be gas or liquid, as long as the bolt 5 can be pushed to move in the bolt feeding pipe 27. Preferably, a high-pressure gas is used, i.e. a pressurized gas, the gas pressure being determined according to the actual delivery requirements of the bolt 5.
The bolt blocking module 4 is arranged on the upper side of the feeding device, so that the bolt can slide downwards under the action of the dead weight of the bolt 5, the inertia of the bolt 5 is small, the impact when the bolt enters the feeding device is small, and the bolt 5 cannot be damaged; and the structure of the feeding equipment can be simplified. Compared with the method that the bolts 5 are directly conveyed to the right position by high-pressure gas, the method can completely avoid the damage and the scrap of the bolts 5 during conveying.
The bolt tightening apparatus, as shown in fig. 1, includes a robot 1, the robot 1 including a connection plate 11 and a module mounting plate 12, the module mounting plate 12 being fixed to the connection plate 11 to move with movement of the connection plate 11.
The module mounting plate 12 is provided with three sets of tightening modules 2, and of course, one or more sets of tightening modules 2 may be provided according to actual needs. Screw up module 2 and pass through servo 3 slidable mounting that shifts on module mounting panel 12, servo 3 that shift including fixing the guide rail 31 that shifts on module mounting panel 12, the guide rail 31 that shifts slides and sets up installing support 32, screws up module 2 and fixes on installing support 32. The tightening module 2 is driven by the servo displacement device 3 to move and displace.
As shown in fig. 2 and 3, the tightening module 2 includes a vertical rail 24, the vertical rail 24 is fixed on the mounting bracket 32, and the tightening gun assembly, the bushing assembly and the bolt feeding assembly 28 are disposed on the vertical rail 24.
The tightening gun assembly includes an upper slide shoe 23, the upper slide shoe 23 being slidably disposed on a vertical guide rail 24. A module cylinder 22 is fixed at the upper end of the vertical guide rail 24, and a telescopic rod of the module cylinder 22 is fixedly connected with the upper sliding seat 23; the upper sliding block 23 slides up and down along the vertical guide rail 24 by the driving of the module cylinder 22. The upper slide base 23 is fixedly provided with an electric tightening gun 21.
The sleeve assembly comprises a lower sliding seat 25 and a lifting cylinder 29, wherein the lower sliding seat 25 is arranged on the vertical guide rail 24 in a sliding manner, and the lifting cylinder 29 is fixed at the lower end of the vertical guide rail 24; under the action of the lifting cylinder 29, the lower sliding seat 25 slides up and down along the vertical guide rail 24. The lower slide seat 25 is fixed with a sleeve 26, the sleeve 26 is positioned at the lower side of the electric tightening gun 21, the tightening head of the electric tightening gun 21 extends into the sleeve 26, and the sleeve 26 can slide relative to the tightening head. The inner cavity of the sleeve 26 is also communicated with a negative pressure air path, and when the negative pressure air path is communicated with the sleeve 26, negative pressure is formed in the inner cavity of the sleeve 26.
As shown in fig. 3, the bolt loading assembly includes a connecting block 286, and the connecting block 286 is fixedly mounted on the vertical rail 24 and located at the lower side of the casing 26. The connecting block 286 may take the form of an inverted U-shaped structure as shown. Be equipped with bolt material loading chamber in the connecting block 286, sleeve pipe 26 stretches into the bolt material loading intracavity, and can slide from top to bottom relative to connecting block 286. The bolt feeding cavity is communicated with a bolt feeding pipe 27, the feeding end of the bolt feeding pipe 27 is communicated with an automatic feeding system and a high-pressure gas conveying system, and the automatic feeding system conveys the bolts 5 to the feeding end of the bolt feeding pipe 27; the high-pressure gas conveying system utilizes high-pressure gas to push the bolts 5 in the bolt feeding pipe 27 to move towards the bolt feeding cavity. The automatic feeding system and the high-pressure gas conveying system both adopt the existing equipment, are not improved, do not describe the structure in detail, and only need to feed the bolts 5 into the bolt feeding pipe 27 and push the bolts 5 to move by the high-pressure gas.
Two clamping flaps 285 are arranged in the bolt feeding cavity, and the two clamping flaps 285 are respectively positioned on two sides of a discharge hole of the bolt feeding pipe 27. The clamping flaps 285 are rotatably installed on the connecting block 286, and the connecting block 286 is further provided with a control assembly for controlling the lower ends of the two clamping flaps 285 to be close to or far away from each other. When the lower ends of the two clamping flaps 285 are close to each other, a channel formed between the two clamping flaps is reduced, so that the falling of the bolt 5 in the bolt feeding cavity can be prevented; when the lower extreme of two clamp valves 285 kept away from each other, the passageway grow that forms between the two, and bolt 5 is carried to the bolt hole site under the effect of thimble assembly, closes with the bolt hole soon under the effect of tightening gun subassembly.
The control assembly comprises a push plate 282, and the push plate 282 is arranged on the outer wall of the connecting block 286 in an up-and-down sliding mode and moves under the driving of the valve clamping air cylinder 281. Specifically, a guide table 287 is disposed on an outer wall of the connecting block 286, a movement guide hole 288 is disposed on the push plate 282, and the guide table 287 extends into the movement guide hole 288, so that an up-and-down movement track of the push plate 282 is defined by cooperation of the guide table 287 and the movement guide hole 288. The push plate 282 is further provided with an action guide hole 283, a guide post 284 is fixed on the part of the clamping flap 285 extending out of the bolt feeding cavity, and the guide post 284 extends into the action guide hole 283. The action guide hole 283 extends obliquely to push the two clamping flaps 285 open when the push plate 282 moves downwards; as the push plate 282 moves upward, the two clamping flaps 282 are drawn closer together; as the push plate 282 moves downward, the two clamping flaps 285 move away.
Because when bolt 5 got into bolt material loading chamber, there is the contained angle axial of bolt 5 and sleeve pipe 26 material loading direction, the screw thread of bolt is collided with easily, and in order to avoid bolt 5 to get into bolt material loading chamber when colliding with the chamber wall high speed and leading to the damage, still be equipped with on the bolt conveying pipe 27 and keep off bolt module 4.
As shown in fig. 4, 5, 6 and 7, the bolt blocking module 4 includes a pipe connector 47, and a through hole 44 penetrating the pipe connector 47 up and down is formed in the pipe connector 47, and the through hole 44 communicates with the bolt feed pipe 27 through a pipe joint. A sliding block hole 41 is also formed in the pipe connector 47, and the sliding block hole 41 is communicated with the through hole 44; the slider hole 41 is provided with a slider 45 in a sliding manner, and the slider 45 can close the through hole 44 or open the through hole 44 when sliding relative to the pipe connector 47. When the slider 45 closes the through hole 44, gas flows out of the through hole 44, but the bolt 5 cannot pass through. The pipe connector 47 is fixed with a slider cylinder 42, and an expansion link of the slider cylinder 42 is fixedly connected with the slider 45 and used for pushing the slider 45 to slide.
Preferably, the slider holes 41 extend on both sides of the through hole 44, the slider 45 is provided with bolt holes 46, and when the bolt holes 46 correspond to the through hole 44, the through hole 44 is opened; when the through hole 44 is misaligned with the bolt hole 46, the bolt 5 cannot pass through, and this state is a closed state.
The sliding block type air conditioner further comprises a sealing shell 43, wherein the sealing shell 43 covers the outer sides of the telescopic rod and the sliding block 45 of the sliding block air cylinder 42, and the sliding block 45 and the telescopic rod move in a sealed mode inside the sealing shell 43.
After the bolt 5 reaches the bolt blocking module 4 along the bolt feeding pipe 27, the end surface of the bolt 5 is contacted with the sliding block 45 due to the blocking of the sliding block 45, so that the high-speed movement of the bolt 5 is blocked; after the bolt 5 stops on the sliding block 45, the sliding block 45 is moved again to open the through hole 44, and the bolt 5 slides downwards into the bolt feeding cavity under the action of the self weight.
Preferably, the bolt stop module 4 is disposed adjacent to the bolt feeding assembly.
The bolt tightening process for tightening the bolt by using the equipment comprises
The connecting piece is in place:
after the tray bears the transmission shell and the vane pump assembly and reaches the bolt tightening position, reading an identification code on the tray to identify the current production machine type;
the robot 1 moves to a safe position, and the tray is lifted and positioned by the line body bottom lifting device; the servo displacement device 3 drives the tightening module 2 to move to a tightening position;
bolt feeding:
the slide block 45 closes the through hole 44, the automatic feeding system supplies the bolt 5 to the feeding end of the bolt feeding pipe 27, and when the bolt 5 is detected at the feeding end of the bolt feeding pipe 27, the high-pressure gas conveying system works, and the bolt 5 moves in the bolt feeding pipe 27 under the pushing of high-pressure gas;
when detecting that the bolt 5 reaches the bolt blocking module 4, timing, and controlling the high-pressure gas conveying system to stop blowing after 2S;
then, the through hole 44 is opened by the control slide block 45, the bolt 5 falls into the bolt feeding cavity of the connecting block 286 under the self-weight falling effect of the bolt, and the through hole 44 is closed by the control slide block 45 after 2S;
and (3) bolt tightening:
after the bolt 5 is detected to enter the bolt feeding cavity, the lifting cylinder 29 is controlled to drive the sleeve 26 to move downwards;
after the sleeve 26 is detected to be in place, the negative pressure air path is controlled to be communicated with the inner cavity of the sleeve 26, negative pressure is formed inside the sleeve 26, and the bolt 5 is adsorbed at the bottom of the sleeve 26; detecting the pressure value in the sleeve 26, and judging that the bolt successfully sucks the material when the pressure value reaches-2.5 bar;
after the bolt successfully sucks the material, the robot 1 moves downwards from the safe position to the screwing position;
the clamping flap cylinder 281 extends out, and the clamping flap 285 is opened;
when the clamping flap 285 is detected to be opened, the module cylinder 22 extends out, the tightening bit is pushed to penetrate through the sleeve 26, and the bolt 5 is pushed to the threaded hole;
after the module cylinder detection sensor detects that the cylinder extends out of place, the electric tightening gun 21 starts to work and starts to tighten, and the torque and the rotation angle of the electric tightening gun 21 in the tightening process are monitored;
when the screwing is judged to be qualified, the module cylinder 22 returns;
after the detection module cylinder 22 returns to the proper position, the robot 1 moves upwards from the screwing position to the safe position, the lifting cylinder 29 returns, and the sleeve 26 returns to the original position;
after the lifting cylinder 29 is detected to be in place, the valve clamping cylinder 281 contracts, and the valve clamping 285 is closed;
when the clamping flap 285 is detected to be closed, the servo position changing device 3 is changed to enter the next screwing position;
and repeating bolt feeding and bolt screwing until the bolt screwing is completed.
After the bolt is screwed up, the servo position changing device 3 returns to the original position, and the robot 1 returns to the original point from the safe position.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The bolt feeding method is characterized by comprising the following steps: feeding a bolt (5) into a bolt feeding pipe (27) at one time, and pushing the bolt (5) in the bolt feeding pipe (27) to move by using fluid; before the bolt (5) enters the feeding device, the moving speed of the bolt (5) is reduced or reduced to zero, and then the bolt (5) enters the feeding device to finish feeding.
2. The bolt feeding method according to claim 1, characterized in that: the fluid is a gas.
3. Bolt tightening equipment, its characterized in that: the bolt feeding system at least comprises a bolt feeding pipe (27), wherein the feeding end of the bolt feeding pipe (27) is communicated with an automatic feeding system and a high-pressure gas conveying system, and the automatic feeding system conveys bolts (5) to the feeding end of the bolt feeding pipe (27); the high-pressure gas conveying system utilizes flowing gas to push the bolt (5) to move in the bolt feeding pipe (27);
the bolt blocking device is characterized by further comprising a bolt blocking module (4), wherein the bolt blocking module (4) is arranged close to the discharge end of the bolt feeding pipe (27) and used for blocking bolts (5) in the bolt feeding pipe (27).
4. The bolt tightening apparatus according to claim 3, wherein: the bolt retaining module (4) comprises
The pipe connector (47), the pipe connector (47) is provided with a through hole (44) which vertically penetrates through the pipe connector (47), and the through hole (44) is communicated with the bolt feeding pipe (27); a sliding block hole (41) is also formed in the pipe connector (47), and the sliding block hole (41) is communicated with the through hole (44);
and the sliding block (45) is arranged in the sliding block hole (41) in a sliding manner, and the sliding block (45) can close the through hole (44) or open the through hole (44) when sliding relative to the pipe connecting body (47).
5. The bolt tightening apparatus according to claim 4, wherein: the device is characterized by further comprising a screwing module (2), wherein the screwing module (2) comprises a vertical guide rail (24), and the vertical guide rail (24) is provided with a screw
A tightening gun assembly for pushing the bolt (5) and tightening the bolt (5);
a sleeve assembly for adsorbing the bolt (5);
and a bolt loading assembly (28) for receiving the bolt (5).
6. The bolt tightening apparatus according to claim 5, wherein: the bolt feeding assembly comprises a connecting block (286) fixed on the vertical guide rail (24), a bolt feeding cavity is arranged in the connecting block (286), and the bolt feeding cavity is communicated with the bolt feeding pipe (27); two clamping flaps (285) are arranged in the bolt feeding cavity, and the two clamping flaps (285) are respectively positioned on two sides of a discharge hole of the bolt feeding pipe (27); the clamping flaps (285) are rotatably installed on the connecting block (286), and the connecting block (286) is further provided with a control assembly for controlling the lower ends of the two clamping flaps (285) to be close to or far away from each other.
7. The bolt tightening apparatus according to claim 6, wherein: the control assembly comprises a push plate (282), and the push plate (282) is arranged on the outer wall of the connecting block (286) in a vertically sliding mode; an action guide hole (283) is further formed in the push plate (282), a guide column (284) is fixed to the clip valve (285), and the guide column (284) extends into the action guide hole (283); the two clamping flaps (285) are controlled to approach or move away from each other along with the up-and-down movement of the push plate (282).
8. The bolt tightening apparatus according to claim 5, wherein: the sleeve assembly comprises
The lower sliding seat (25) is arranged on the vertical guide rail (24) in a sliding manner;
the lifting cylinder (29), the said lifting cylinder (29) is fixed on the bottom end of the vertical guide rail (24); under the action of the lifting cylinder (29), the lower sliding seat (25) slides up and down along the vertical guide rail (24);
and the sleeve (26) is fixed on the lower sliding seat (25), the inner cavity of the sleeve (26) is also communicated with a negative pressure air path, when the negative pressure air path is communicated with the sleeve (26), negative pressure can be formed in the inner cavity of the sleeve (26), and the sleeve (26) is matched with the bolt feeding assembly to suck the bolt (5).
9. The bolt tightening apparatus according to claim 5, wherein: the tightening gun assembly comprises an upper sliding seat (23), and the upper sliding seat (23) is arranged on a vertical guide rail (24) in a sliding manner; a module cylinder (22) is fixed at the upper end of the vertical guide rail (24), and an upper sliding seat (23) slides up and down along the vertical guide rail (24) under the driving of the module cylinder (22); an electric tightening gun (21) is fixedly arranged on the upper sliding seat (23), and a tightening head of the electric tightening gun (21) is matched with the sleeve assembly to tighten the bolt (5).
10. A bolt tightening process performed by the bolt tightening apparatus according to any one of claims 3 to 9, characterized in that: comprises that
Bolt feeding:
the through hole (44) is closed by the sliding block (45), and the bolts (5) are supplied to the feeding end of the bolt feeding pipe (27) by the automatic feeding system; the high-pressure gas conveying system works to push the bolts (5) to move in the bolt feeding pipes (27); when detecting that the bolt (5) reaches the slide block (45), timing is started, and after the set time, the high-pressure gas conveying system is controlled to stop blowing; then, the slide block (45) is controlled to open the through hole (44), and the bolt (5) is fed;
a sleeve assembly adsorption bolt (5);
the tightening gun assembly pushes and tightens the bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509978.7A CN114161111A (en) | 2021-12-11 | 2021-12-11 | Bolt feeding method and bolt tightening equipment and process applied by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509978.7A CN114161111A (en) | 2021-12-11 | 2021-12-11 | Bolt feeding method and bolt tightening equipment and process applied by same |
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| Publication Number | Publication Date |
|---|---|
| CN114161111A true CN114161111A (en) | 2022-03-11 |
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|---|---|---|---|
| CN202111509978.7A Pending CN114161111A (en) | 2021-12-11 | 2021-12-11 | Bolt feeding method and bolt tightening equipment and process applied by same |
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2021
- 2021-12-11 CN CN202111509978.7A patent/CN114161111A/en active Pending
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| EP0491484A1 (en) * | 1990-12-15 | 1992-06-24 | Yoshitaka Aoyama | Method and apparatus for feeding and tightening fastener parts |
| CN1754650A (en) * | 2004-09-29 | 2006-04-05 | 株式会社安川电机 | Fastener device |
| CN201089138Y (en) * | 2007-08-27 | 2008-07-23 | 苏州博思特电子科技有限公司 | Automatic nail feeding mechanism |
| CN201089139Y (en) * | 2007-08-28 | 2008-07-23 | 苏州博思特电子科技有限公司 | Automatic nail feeding device |
| CN207171448U (en) * | 2017-08-15 | 2018-04-03 | 快克智能装备股份有限公司 | Screw conveying clamp nozzle and its filature |
| CN207120167U (en) * | 2017-09-06 | 2018-03-20 | 上海精智实业股份有限公司 | A kind of screw gun lock adhering mechanism and screw gun |
| CN209520572U (en) * | 2018-12-11 | 2019-10-22 | 江苏德诺蒙玛机电科技有限公司 | A kind of screw self-feeding and device for screwing up |
| CN110076555A (en) * | 2019-05-31 | 2019-08-02 | 北京理工大学 | It is automatically imported the electric screwdriver and screw installation equipment of screw |
| CN212265671U (en) * | 2020-08-14 | 2021-01-01 | 广东省精匠智能设备有限公司 | Novel distributor for screw machine |
| CN113182831A (en) * | 2021-05-12 | 2021-07-30 | 常州工学院 | Nut and gasket combined assembly type screwing device and method |
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