CN115213662B

CN115213662B - Ratchet tensioner assembling system and method

Info

Publication number: CN115213662B
Application number: CN202210910827.0A
Authority: CN
Inventors: 范勤德
Original assignee: Qingdao Qinde Rigging Hardware Co ltd
Current assignee: Qingdao Qinde Rigging Hardware Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2024-01-30
Anticipated expiration: 2042-07-29
Also published as: CN115213662A

Abstract

The invention discloses a ratchet tensioner assembling system and a method, which relate to the field of machine manufacturing and comprise a clamp assembly, a clamp and a bearing mechanism, wherein the bearing mechanism is used for bearing the clamp; the clamp is used for fixedly clamping a ratchet wheel and a ratchet shaft to be combined; the bearing mechanism can move the clamp on the bearing mechanism to different stations; the punching assembly comprises a center point punching assembly for forming a center point positioning and a bottom hole punching assembly for forming a pin-joint bottom hole on the basis of the center point; the stamping assembly comprises a primary pressing assembly and a final pressing assembly. The ratchet tensioner assembly system provided by the scheme has the beneficial effects that six stations of rotation of the clamp on the clamp assembly is realized by the divider, and the ratchet wheel and the ratchet shaft can be connected by rotating each clamp for one circle. By means of the system, the operation mode of manually carrying out the combined connection of the ratchet wheel and the ratchet wheel shaft in the traditional machining operation is eliminated, and the safety and the machining efficiency are both remarkably improved.

Description

Ratchet tensioner assembling system and method

Technical Field

The invention relates to the field of machine manufacturing, in particular to a ratchet tensioner assembling system and method.

Background

Ratcheting tensioners are also known as: ratchet wheel type car sealer, tightener, etc. are mainly used for replacing iron wires and steel wire ropes for bundling in mining transportation and are developed and produced. The main structure of the ratchet strainer comprises a ratchet shaft and a ratchet sleeved on the ratchet shaft, wherein the ratchet is fixedly connected with the ratchet shaft.

When the ratchet wheel and the ratchet wheel shaft are assembled, the ratchet wheel is fixedly connected to the middle part of the ratchet wheel shaft, the fixing mode is mainly manual welding, and as a worker, the installation position of the ratchet wheel is ensured firstly, and then the welding operation is carried out. However, at present, no automatic device for assembling a ratchet wheel and a ratchet shaft in the ratchet wheel tensioner exists, and the efficiency is low and the operation danger exists due to the fact that the automatic device is assembled manually.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a pin joint system of a ratchet tensioner, which solves the problems of simplifying and automatizing the connection mode of a ratchet wheel and a ratchet shaft in the ratchet tensioner.

In order to achieve the above purpose, the present invention provides the following technical solutions: a method of assembling a ratcheting tensioner comprising the steps of:

s1, sleeving a ratchet wheel and a ratchet wheel shaft, wherein the ratchet wheel shaft is of a cylindrical structure with a cavity inside, and the ratchet wheel is arranged in the middle of the axial length of the ratchet wheel shaft;

s2, forming through holes on the ratchet wheel and the ratchet wheel shaft which are assembled in the S1; the through holes of the ratchet wheel and the ratchet wheel shaft can be drilled at one time after the assembly is completed, or can be drilled respectively before the assembly is performed;

s3, firstly inserting an outer pin body into the formed through hole, wherein the outer pin body is a cylindrical cotter pin, the whole outer pin body is cylindrical with hollow inside and two ends open, and the cylinder wall of the outer pin body is provided with an open slot penetrating along the axial direction of the cylinder wall;

s4, inserting an inner pin body into the outer pin body, wherein the outer diameter of the inner pin body corresponds to the inner diameter of the outer pin body; after the insertion is completed, the two ends of the outer pin body and the inner pin body do not exceed the tooth root surface of the through hole formed by the ratchet wheel. The inner pin body can be filled into the cavity in the middle of the outer pin body, and can be a solid pin body or other types of pin bodies.

Preferably, in the step S2, when the through hole is formed, the combined state of the ratchet wheel and the ratchet shaft is maintained, the drill bit a is used to form a center point at the position where the through hole is to be formed, and then the drill bit B is used to form the through hole at the center point, and the through hole is formed to penetrate through the ratchet wheel and the ratchet shaft.

Preferably, the inner pin body in the step S4 is a cylindrical cotter pin, and the outer diameter of the inner pin body is smaller than or equal to the inner diameter of the outer pin body;

the opening of the cylinder wall of the inner pin body is not overlapped with the opening of the cylinder wall of the outer pin body.

For the installation mode of the outer pin body and the inner pin body, the knocking-in mode can be selected by hammering by hands.

The scheme also comprises a ratchet tensioner assembly system, which comprises

The clamp assembly comprises a clamp and a bearing mechanism for bearing the clamp;

the clamp is used for fixedly clamping a ratchet wheel and a ratchet shaft to be combined;

the bearing mechanism can move the clamp on the bearing mechanism to different stations;

the punching assembly comprises a center point punching assembly for forming a center point positioning and a bottom hole punching assembly for forming a pin-joint bottom hole on the basis of the center point;

the stamping assembly comprises a primary pressing assembly and a final pressing assembly;

the primary pressing assembly comprises two punching assemblies which are erected on the punching support and are divided into an outer pin punching assembly and an inner pin punching assembly;

the final pressing assembly is used for pressing the outer pin body and the inner pin body to the tooth root of the ratchet wheel;

the punching assembly and the stamping assembly are correspondingly provided with different stations of the clamp.

Compared with the prior art, the method has the following beneficial effects: the assembling method of the scheme changes the connection mode of the ratchet wheel and the ratchet shaft of the ratchet wheel tensioner in the traditional operation, changes the connection mode of the ratchet wheel and the ratchet shaft from welding fixation to pin fixation, takes a cylindrical structure as the ratchet shaft, and is convenient for forming a through hole on the ratchet shaft. After the through hole is formed, through the use of two pin bodies, namely an outer pin body and an inner pin body, the two cylindrical cotter pins have the advantages of being more firm after being installed, not easy to fall off and large in tensioning force.

According to the ratchet tensioner assembling system, six stations of rotation of the clamp on the clamp assembly are realized through the divider, and the ratchet wheel shaft can be connected through one circle of rotation of each clamp. By means of the system, the operation mode of manually carrying out the combined connection of the ratchet wheel and the ratchet wheel shaft in the traditional machining operation is eliminated, and the safety and the machining efficiency are both remarkably improved.

Drawings

FIG. 1 is a schematic diagram of a borehole in accordance with embodiment 1 of the present invention;

FIG. 2 is a pin insertion schematic view of embodiment 1 of the present invention;

FIG. 3 is a schematic view showing the overall structure of the pin joint system according to embodiment 3 of the present invention;

FIG. 4 is a schematic view of a feeding assembly according to embodiment 4 of the present invention;

fig. 5 is a schematic structural diagram of a pushing mechanism and a grabbing and rotating mechanism according to embodiment 4 of the present invention;

FIG. 6 is a schematic view of a clamping unit according to embodiment 4 of the present invention;

FIG. 7 is an isometric view of a clamp assembly of example 5 of the present invention;

FIG. 8 is a front view of the clamp assembly of embodiment 5 of the present invention;

FIG. 9 is a top view of the clamp assembly of embodiment 5 of the present invention;

FIG. 10 is a bottom view of the clamp assembly of embodiment 5 of the present invention;

FIG. 11 is an enlarged view of part A of FIG. 7;

FIG. 12 is a schematic view showing a structure of a press assembly according to embodiment 6 of the present invention;

fig. 13 is a front view of embodiment 6 of the present invention;

FIG. 14 is an enlarged view of part B of FIG. 13;

in the figure:

100. a ratchet wheel; 200. a ratchet shaft; 300. an outer pin body; 400. an inner pin body; 500. a hand hammer;

1. a clamp assembly; 110. a clamp; 111. a bottom plate; 112. a U-shaped frame; 113. a compression bar; 114. a cylinder; 115. a support table; 120. a carrying mechanism; 121. a motor; 122. a sprocket; 123. a chain; 124. a torsion limiter; 125. a divider; 126. a table top; 1261. a turntable; 1262. a boss; 128. A pneumatic rotary joint; 129. a joint bracket;

2. an opening assembly; 210. a center point tapping assembly; 220. a bottom hole opening assembly; 230. a lifting rod;

3. a stamping assembly; 310. a primary pressing assembly; 311. stamping a bracket; 3111. a side portion; 31111. a main support plate; 31112. a side reinforcing plate; 3112. a horizontal portion; 31121. a horizontal plate; 31122. an upper reinforcing plate; 312. a punching assembly; 3121. a movable plate; 313. a first adjusting lever; 3131. a first limiting block; 314. a second adjusting lever; 3141. a second limiting block; 315. an upper air port; 316. a middle air port; 317. a lower air port; 318. a punch; 319. a push rod pressing rod; 320. a final pressure assembly; 321. a final pressure cylinder;

4. a feed assembly; 401. a fixing frame; 402. a fixed base; 403. a conveying mechanism; 404. a pushing mechanism; 5. a grabbing and rotating mechanism; 6. clamping and feeding mechanism; 7. a pushing cylinder; 8. a pushing piece; 9. a servo motor; 410. a first jaw cylinder; 411. a first jaw; 412. a feeding unit; 413. a gripping unit; 414. a sliding assembly; 415. a slide rail; 416. a mounting member; 417. a second jaw cylinder; 418. a second jaw; 419. a return spring; 420. placing an object; 421. a storage tray; 422. a component push rod;

5. and a clamp detection sensor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1 and 2, the present invention provides the following technical solutions:

a method of assembling a ratcheting tensioner comprising the steps of:

s1, sleeving a ratchet wheel 100 and a ratchet wheel shaft 200, wherein the ratchet wheel shaft 200 is of a cylindrical structure with a cavity inside, and the ratchet wheel 100 is placed in the middle position of the axial length of the ratchet wheel shaft 200;

s2, forming through holes on the ratchet 100 and the ratchet shaft 200 which are assembled in the S1; the through holes of the ratchet wheel 100 and the ratchet shaft 200 can be drilled at one time after the assembly is completed, or can be drilled respectively before the assembly is performed;

s3, firstly inserting an outer pin body 300 into the formed through hole, wherein the outer pin body 300 is a cylindrical cotter pin, the whole outer pin body 300 is hollow, the outer pin body 300 is cylindrical with two open ends, and the cylinder wall of the outer pin body is provided with an open slot which axially penetrates along the cylinder wall;

s4, inserting an inner pin body 400 into the outer pin body 300 in an inserting manner, wherein the outer diameter of the inner pin body 400 corresponds to the inner diameter of the outer pin body 300; after the insertion, the two ends of the outer pin 300 and the inner pin 400 do not exceed the tooth root surface of the through hole of the ratchet 100. The inner pin 400 may be a solid pin or any other type of pin, as long as it fills the cavity in the middle of the outer pin 300.

Example 2

On the basis of embodiment 1, unlike embodiment 1, in step S2, when the through hole is opened, the combined state of the ratchet wheel 100 and the ratchet shaft 200 is maintained, first, the center point is positioned at the position where the through hole is to be opened by the drill a, and then the through hole is opened at the center point by the drill B, and the through hole is formed to penetrate the ratchet wheel 100 and the ratchet shaft 200.

The inner pin body 400 in step S4 is a cylindrical cotter pin, and the outer diameter of the inner pin body 400 is equal to or smaller than the inner diameter of the outer pin body 300;

the opening of the cylinder wall of the inner pin body 400 is not overlapped with the opening of the cylinder wall of the outer pin body 300.

By the method, the connection mode of the ratchet 100 and the ratchet shaft 200 of the ratchet tensioner in the traditional operation is changed, the connection mode of the ratchet 100 and the ratchet shaft 200 is welded and fixed instead of pin connection, and a cylindrical structure is used as the ratchet shaft, so that a through hole is formed in the ratchet shaft conveniently. After the through hole is opened, through using two pin bodies, namely an outer pin body 300 and an inner pin body 400, the advantage of using two cylindrical cotter pins is that the cotter pins are more fastened after installation, are not easy to fall off and have large tension force. It should be noted here that the opening directions of the outer pin 300 and the inner pin 400 do not coincide in the same direction, but are staggered, so that a better tensioning effect can be obtained for the combined installation of the two pin bodies.

The manner of mounting the outer pin 300 and the inner pin 400 may be selected by striking and driving with the hammer 500.

Example 3

Referring to FIG. 3, the present embodiment provides a ratchet tensioner assembly system comprising

The clamp assembly 1 comprises a clamp 110 and a bearing mechanism 120 for bearing the clamp 110;

the clamp 110 is used for fixedly clamping the ratchet 100 and the ratchet shaft 200 to be combined;

the carrying mechanism 120 can move the clamp 110 thereon to different stations;

the hole assembly 2 comprises a center point hole assembly 210 for positioning a center point and a bottom hole assembly 220 for forming a pin joint bottom hole on the basis of the center point;

the punching assembly 3 comprises a primary pressing assembly 310 and a final pressing assembly 320;

the primary pressing assembly 310 comprises two pressing assemblies 312 erected on a pressing bracket 311, and the two pressing assemblies 312 are divided into an outer pin pressing assembly and an inner pin pressing assembly;

a final pressing assembly 320 for pressing the outer pin body 300 and the inner pin body 400 to the tooth root of the ratchet 100;

the punching assembly 2 and the stamping assembly 3 are correspondingly provided with different stations of the clamp 110.

The device also comprises a feeding assembly 4, wherein the feeding assembly 4 is positioned on one side of the stamping assembly 3;

the two feeding assemblies 4 are provided, and respectively feed the outer pin body 300 and the inner pin body 400 corresponding to the outer pin punching assembly and the inner pin punching assembly in the initial pressing assembly 310.

Example 4

Referring to fig. 4 to 6, on the basis of embodiment 3, the feed assembly 4 includes,

the device comprises a fixing frame 401 and a fixing base 402 arranged on one side of the fixing frame 401, wherein a conveying mechanism 403, a pushing mechanism 404 and a grabbing rotary mechanism 405 are arranged on the fixing frame 401, and the pushing mechanism 404 and the grabbing rotary mechanism 405 are oppositely arranged on two sides of the conveying mechanism 403; the clamping and feeding mechanism 406 is arranged on the fixed base 402; the clamping and feeding mechanism 406 is arranged above the conveying mechanism 403, and the pushing mechanism 404, the grabbing and rotating mechanism 405 and the clamping and feeding mechanism 406 are in linkage fit; the holder 401 is used to support a fixed conveying mechanism 403, a pushing mechanism 404, and a gripping rotation mechanism 405. The conveying mechanism 403 is used for conveying the material to be grabbed (generally elongated like cotter pins, and the installed parts need to be manually taken out), so as to form a flow operation, and improve the processing and installation efficiency. The pushing mechanism 404 is used to push the material conveyed to the specified position from the conveyor to the fixed position (typically the specified position on the holder 401). The grabbing rotation mechanism 405 is used for grabbing materials pushed to a fixed position by the pushing mechanism 404, after grabbing materials, the materials can rotate 90 degrees under the driving of the grabbing rotation mechanism 405, and at this time, the materials are generally arranged in the vertical direction and wait for the next procedure. The gripping and feeding mechanism 406 can grip and grab the material on the rotating mechanism 405, and after gripping the material, the material is sent to a designated position, the material is released, and the material can enter the next process.

The pushing mechanism 404 includes a pushing cylinder 407, an output end of the pushing cylinder 407 is fixedly connected with a pushing member 408, and the pushing member 408 is disposed opposite to the grabbing rotation mechanism 405. When the pushing cylinder 407 works, the output end of the pushing cylinder 407 stretches outwards, and a pushing piece 408 arranged on the output end of the pushing cylinder 407 moves along with the movement of the pushing cylinder 407; the pushing member 408 is in contact with the material conveyed thereto by the conveyor belt of the conveying mechanism 403, thereby achieving the effect of pushing the material to a designated position. The transfer gripping device further comprises a storage tray 421, wherein the storage tray 421 is arranged between the conveyor belt of the transfer mechanism 403 and the gripping rotation mechanism 405. Put thing dish 421 and snatch rotary mechanism 405's first clamping jaw 411 correspondence, like this, pushing equipment 404 can be with the material propelling movement to put thing dish 421 on, put the thing dish 421 on can be provided with the recess to the adaptation with the material, can guarantee like this that the material position of propelling movement to putting on the thing dish 421 is difficult for taking place to change to guarantee that follow-up snatch rotary mechanism 405 is snatching the material when, the material position is accurate, is difficult for appearing leaking the clamp, avoids pressing from both sides the problem that the back material is unsuitable in form on the clamping jaw of getting.

The grabbing and rotating mechanism 405 comprises a servo motor 409, a first clamping jaw cylinder 410 is fixedly arranged at the output end of the servo motor 409, two first clamping jaws 411 which synchronously and reversely move are arranged at the clamping end of the first clamping jaw cylinder 410, and the first clamping jaws 411 are oppositely arranged with the output end of the pushing cylinder 407. In the initial state, the first clamping jaw 411 is in a downward setting state, so that horizontally placed materials can be conveniently clamped. Because the output end of the servo motor 409 is connected with the first clamping jaw cylinder 410, when the servo motor 409 moves, the first clamping jaw cylinder 410 is driven to move, and the first clamping jaw cylinder 410 is driven to move to clamp the material. The servo motor 409 rotates 90 degrees, so that the horizontally clamped materials are changed into a vertical state to wait to be clamped by the feeding mechanism.

The gripping and feeding mechanism 406 comprises a feeding unit 412 and a gripping unit 413, wherein the feeding unit 412 is in sliding fit with the gripping unit 413; the clamping unit 413 is used for clamping the material on the first clamping jaw 411; the feeding unit 412 is mainly used for conveying the material clamped by the clamping unit 413 to a designated position to be operated and then releasing the material to the designated position.

The clamping unit 413 comprises a sliding component 414, the sliding component 414 comprises a sliding rail 415 arranged along the vertical direction and a mounting piece 416 in sliding fit with the sliding rail 415, a second clamping jaw air cylinder 417 is mounted on the mounting piece 416, and the clamping end of the second clamping jaw air cylinder 417 is arranged along the horizontal direction; two second clamping jaws 418 which synchronously and reversely move are arranged on the clamping end of the second clamping jaw air cylinder 417; the sliding fit between the sliding rail 415 and the mounting member 416 enables the mounting member 416 to move up and down on the sliding rail 415, and the mounting member 416 moves up and down to drive the second jaw cylinder 417 and the second jaw 418 to move up and down. The up and down movement of the mounting member 416 is achieved by the mounting member 416 engaging an external mechanism that drives the mounting member 416 up and down. The external mechanism may be a mechanical gripper that grips the mounting member 416 or otherwise contacts the mounting member 416 and moves it up and down; or the gripper grips the mounting member 416 or otherwise contacts the mounting member 416 and drives the mounting member 416 to move only downward, at this time, the gripping unit 413 includes a return spring 419, one end of the return spring 419 is fixedly connected to the lower end of the sliding rail 415, and the other end is fixedly connected to the mounting member 416. When the mounting piece 416 is driven to move downwards by the mechanical claw, the return spring 419 is in a compressed state, and when the mechanical claw releases the mounting piece 416, the mounting piece 416 moves upwards to return under the action of the return spring 419.

The gripping unit 413 further includes a return spring 419, one end of the return spring 419 is fixedly connected with the lower end of the slide rail 415, and the other end is fixedly connected with the mounting member 416.

The upper end of the mounting piece 416 is fixedly provided with a component push rod 422, the component push rod 422 extends vertically upwards, the upper end of the sliding rail 415 is fixedly connected with a push rod limiting plate provided with a through hole, and the component push rod 422 penetrates through the push rod limiting plate and is in sliding connection with the push rod limiting plate; the upper end of the assembly push rod 422 is connected with a limit cap, and the upper side surface of the limit cap is provided with a groove.

A plurality of articles 420 are sequentially arranged on a conveyor belt of the conveying mechanism 403; the placement piece 420 may be provided with a profile that is compatible with the material. The object placement 420 is used for placing materials, so that the stability of the shapes of the materials in the conveying process is ensured, and the materials are not changed.

Also included is a tray 421, with tray 21 disposed between the conveyor belt of conveyor 403 and the grasping and rotating mechanism 405.

The working principle of the embodiment is as follows:

the staff puts the material on the object 420 one by one, then the material is along with the conveyer belt of transport mechanism 403, conveys the material to appointed position, and at this moment, the pushing cylinder 407 of pushing equipment 404 begins to work, and pushing piece 408 is driven to the output of pushing cylinder 407 moves, and at this moment, pushing piece 408 and material contact to the appointed position on putting the thing dish 421 with the material propelling movement, pushing piece 408 is along with pushing cylinder 407 again, resumes to initial state, carries out the material of pushing next time. At this time, the grabbing and rotating mechanism 405 starts to work, because the first clamping jaw 411 is in a downward state at this time, when the first clamping jaw cylinder 410 starts to work, the first clamping jaw 411 is driven to clamp the material on the object placing tray 421, then the servo motor 409 rotates by 90 degrees, the servo motor 409 rotates to drive the first clamping jaw cylinder 410 to rotate, and the material on the first clamping jaw 411 is driven to be in a vertical state; at this time, the gripping unit 413 starts to work, the mounting piece 416 moves downward under the action of the external mechanism, drives the second jaw air cylinders 417 to move downward, when the second jaw air cylinders 417 move to the designated position, the two second jaws 418 start to work, simultaneously move in opposite directions, grip the material on the first jaws 411, simultaneously move in opposite directions, release the material, and the servo motor 409 moves, drives the first jaws 411 to reset, and performs the next work; after the second clamping jaw 418 clamps the material, the mounting piece 416 moves upwards under the action of an external mechanism or a return spring 419, then the material is conveyed to a designated position under the action of the feeding unit 412, and after the material is released, the mounting piece returns to an initial state to perform the next work; the above processes work reciprocally, and the automatic clamping and feeding process of materials is realized.

Example 5

Referring to fig. 7 to 11, in addition to the above embodiment, the carrying structure 120 of the jig assembly 1 includes,

the clamp motor 121, the clamp motor 121 is linked with the table top 126 through a linkage mechanism;

the table top 126 is horizontally arranged, and the table top 126 is driven by the clamp motor 121 to perform circular motion, and the central axis of the circular motion of the table top 126 is the central axis of the table top 126;

the upper part of the table top 126 is provided with a plurality of clamps 110, the clamps 110 are fixedly connected with the upper surface of the table top 126, and the clamps 110 are uniformly distributed on the table top 126 in a circumferential array;

the input end of the linkage structure is linked with the motor shaft of the clamp motor 121, and the output end of the linkage structure outputs the rotating force of the clamp motor 1 to the table top 126 in an indexing way.

The linkage mechanism comprises a divider 125, and the output end of the divider 125 is fixedly connected with the middle part of the lower side of the table top 126;

the input end of the divider 125 is linked with the clamp motor 121 through a sprocket chain combination;

the chain wheel and chain combination comprises a chain wheel 122 arranged on a motor shaft of the clamp motor 121, the input end of the divider 125 is connected with the torsion limiter 124, and the chain wheel 122 and the torsion limiter 124 are linked through a chain 3;

the jig 110 is provided with six;

each of the clamps 110 includes a base 111 and a clamp 110, the base 111 being fixedly connected to the upper surface of the table 126.

The clamp 110 is a pneumatic clamp;

a pneumatic rotary joint 128 is arranged in the middle of the table top 126; pneumatic rotary joint 128 communicates with the pneumatic path of pneumatic clamp 110, forming a pneumatic control loop for clamp 110.

When the device is used, power is output through the clamp motor 121, the power is transmitted to the torsion limiter 124 through the chain wheel 122 and the chain 123, and the torsion limiter 124 inputs the power to the input end of the divider 125 to realize the rotation of the divider 125; the circular table top 126 is arranged on the divider 125, and the divider 125 drives the table top 126 to rotate; 126 equally divided working stations are arranged on the table top 126, each station is provided with a clamp 110, and each time the clamp 110 on the table top 126 rotates, the clamp is divided, and the clamp 125 moves one station; the rotary workbench can realize 126 working procedures of one-time clamping.

A circular through hole is formed in the middle of the table top 126, and a turntable 1261 is embedded in the through hole;

the turntable 61 and the underside of the table 126 are interlocked with the output end of the divider 125.

The turntable 1261 comprises an upper disc and a lower disc which are fixedly connected, and the upper disc corresponds to a circular through hole in the middle of the table top 126;

the upper disc is embedded in the circular through hole of the table top 126;

the lower disc is positioned at the lower side of the table 126, and the diameter of the lower disc is larger than that of the upper disc;

the circular through hole circumference of mesa 126 is arranged in an array and is offered the bolt hole, and the lower disc corresponds mesa 126 and sets up the bolt, mesa 126 and lower disc pass through bolt nut fixed connection.

The combined linkage of the divider 125 and the table top 126 is realized by the mounting mode of the turntable 1261.

The pneumatic rotary joint 128 is fixedly connected with the table top 126 through a joint bracket 129;

the joint support 129 comprises an upper transverse plate and a lower transverse plate which are arranged in parallel, and a vertical plate is fixedly connected between the upper transverse plate and the lower transverse plate;

the upper and lower cross plates are located on both sides of the riser respectively, the lower cross plate is fixedly disposed on the upper surface of the table top 126, and the pneumatic rotary joint 128 is fixedly connected with the upper cross plate.

The table top 126 is a circular plate body;

a plurality of bosses 1262 are arranged on the lower side surface of the table top 126 in a circumferential array, and the bosses 1262 are arc-shaped strips;

a boss 1262 is provided near the edge of the table 126 and the clamp 110 is secured to the table 126 by bolts extending through the boss 1262.

Through the fixed knot of boss 1262 constructs, plays the effect that increases joint strength with the help of boss 1262.

The fixture 110 comprises a U-shaped frame 112 fixedly arranged on the upper side of the bottom plate 111, an opening of the U-shaped frame 112 is vertically upwards, two ends of the upper portion of the U-shaped frame 112 are respectively hinged to the middle of a pressing rod 113, one side, facing the middle of a table top 126, of each pressing rod 113 is provided with an air cylinder 114, one end of each air cylinder 114 is hinged to the end of each pressing rod 113, and the other end of each air cylinder 114 is hinged to the upper side face of the bottom plate 111.

A supporting table 115 is fixedly arranged on the upper side of the bottom plate 111, and the supporting table 115 is arranged at one end of the compression bar 113 far away from the air cylinder 114; the upper side of the supporting table 115 is provided with an arc-shaped groove corresponding to the ratchet 100.

The ratchet 100 in the drawings is not a structural component of the present solution, but the ratchet 100 in the combination of ratchet 100 and ratchet shaft 200 held in the present device in use is shown.

The end of the pressing rod 113 facing the ratchet wheel and the ratchet wheel shaft is provided with a groove corresponding to the outer diameter of the ratchet wheel shaft.

Through two cylinders 114 corresponding to two compression bars 113, when the cylinders extend outwards, the compression bars 113 can clamp the ratchet shaft, so that the combination of the ratchet and the ratchet shaft is fixed.

Example 6

Referring to fig. 12 to 14, on the basis of the above-described embodiment, the preliminary press component 310 of the press assembly 3 includes,

a punching support 311, the punching support 311 being for supporting the punching assembly; the punching assembly 312 is arranged on the upper part of the punching bracket 311, and the lower part of the punching bracket 311 is reserved with a space for placing the assembly to be punched;

the punching assembly 312 is a double-stroke cylinder, the movable end of the punching assembly 312 is connected with the punch 318, the punching assembly 312 drives the punch 318 to move in the vertical direction, and the punch 318 moves towards the lower part of the punching bracket 311; the punch 318 is a rod body, and the axis of the punch 318 is parallel to the movement direction of the punching assembly 312;

a first adjusting lever 313 and a second adjusting lever 314 are respectively provided corresponding to the two travel displacement distances of the pressing assembly 312, and the first adjusting lever 313 and the second adjusting lever 314 are respectively used for adjusting the limit displacement distances of the two travels of the pressing assembly 312.

The punching bracket 311 is a door-shaped bracket and comprises two parallel side portions 3111 and a horizontal portion 3112 positioned between the top ends of the two side portions 3111;

the punching assembly 312 is fixedly disposed on the upper side of the horizontal portion 3112 of the punching bracket 311, and the movable end of the punching assembly 312 extends to the lower side of the horizontal portion 3112.

Each side 3111 of the punching support 311 includes a main support 31111, the main support 31111 being "L" -shaped, the main support 311 being composed of a cross plate and a riser plate perpendicular to each other, the cross plate being located below the riser plate, the cross plate extending in a direction away from the inside of the punching support 311;

the upper end of the vertical plate of the main support 31111 is fixedly connected to a horizontal portion 3112.

Side 3111 further includes a side reinforcing plate 31112, side reinforcing plate 31112 being disposed on a side of main support plate 31111 remote from a lower portion of punch support 311;

the side reinforcing plate 31112 is a right-angle trapezoid plate body, one right-angle edge of the side reinforcing plate 31112 is fixedly connected with the upper side surface of the transverse plate, and the other right-angle edge is fixedly connected with one side of the vertical plate;

the short end of the two parallel plates of the side reinforcing plate 31112 is disposed toward;

the upper ends of the side reinforcing plates 31112 extend to the upper portions of the risers.

Each side 3111 is provided with two side reinforcing plates 31112, and the two side reinforcing plates 31112 of the same side 3111 are parallel.

The horizontal portion 3112 includes a plurality of vertical portions,

the horizontal plate 31121, both ends of the horizontal plate 31121 are fixedly connected with top ends of a vertical plate, and the vertical plate is located below the end of the horizontal plate 31121;

an upper reinforcing plate 31122, the upper reinforcing plate 31122 being located at the lower side of the horizontal plate 31121; the upper reinforcing plate 31122 is provided with two pieces, one corresponding to each side 3111;

the upper reinforcing plate 31122 is a right-angle trapezoidal plate body, one right-angle side of the upper reinforcing plate 31122 is fixedly connected to the horizontal portion 31121, and the other right-angle side is fixedly connected to a vertical plate of the side portion 3111.

Two ends of the plate body of the horizontal plate 31121 are respectively provided with a plurality of vertical fixing holes, and the upper part of the vertical plate is provided with a plurality of horizontal through holes;

screw holes are formed in two right-angle edges of the upper reinforcing plate 31122, and the horizontal plate 31121 and the vertical plate are fixedly connected with the upper reinforcing plate 31122 through bolts;

the upper end surface of the vertical plate is provided with a plurality of vertical screw holes, and the horizontal plate 31121 is fixedly connected with the vertical plate through bolts;

the bolts are inner hexagonal bolts.

A piston is arranged in the cylinder body of the stamping assembly 312, a first adjusting rod 313 is fixedly arranged on the upper side of the piston, a connecting rod is fixedly arranged on the lower side of the piston, and the lower end of the connecting rod extends out of the stamping assembly 312 to serve as a movable end of the cylinder;

the upper end of the first adjusting rod 313 is connected with a first limiting block 3131 through threads;

the lower end of the connecting rod is fixedly connected with a movable plate 3121 which is horizontally arranged, and the lower side of the movable plate 3121 is fixedly connected with a punch 318.

The movable plate 3121 is positioned below the horizontal plate 31121, both ends of the upper side of the movable plate 3121 are fixedly connected with the lower end of the second adjusting lever 314,

the second adjusting lever 314 is perpendicular to the movable plate 3121, the second adjusting lever 314 extends upward through the horizontal plate 31121, and the second adjusting lever 314 is vertically slidably connected with the horizontal plate 31121;

the upper end of the rod body of the second adjusting rod 314 is connected with a second limiting block 3141 in a threaded manner;

two ends of each movable plate 3121 are respectively provided with a second adjusting lever 314.

The cylinder body of the punching assembly 312 is provided with an upper air port 315, a middle air port 316 and a lower air port 317 in sequence from top to bottom;

the upper air port 315 and the lower air port 317 are respectively arranged at the upper end and the lower end of the cylinder, and the middle air port 316 is arranged in the middle of the cylinder;

the upper air port 315 corresponds to a first stroke of the punching assembly 312, the middle air port 316 corresponds to a second stroke of the punching assembly 312, and the lower air port 317 corresponds to a piston reset inside the punching assembly 312;

when the first stroke movement is completed, the piston is positioned below the middle port 316.

A push rod 319 is fixedly arranged on one side of the punch 318 of the stamping assembly 312 corresponding to the inner pin body 400, the push rod 319 corresponds to the assembly push rod 422 in the feeding assembly 4, and when the punch 318 corresponding to the inner pin body 400 pushes the inner pin body 400, the push rod 319 synchronously pushes the assembly push rod 422;

an adjusting groove is formed between the mounting piece 416 and the second clamping jaw 418, the adjusting groove is a sliding groove which is horizontally arranged, one side of the second clamping jaw 418 is in sliding connection with the adjusting groove, and a locking bolt is arranged at the joint of the second clamping jaw 18 and the adjusting groove;

when punching is performed, the stroke of the cylinder 312 is first adjusted by adjusting the positions of the first stopper 3131 and the second stopper 3141. When working, the upper air port 315 is in air, the middle air port 316 is closed, the lower air port 317 is out air, and the cylinder 312 completes the movement of the first stroke;

the upper air port 315 is air-in or closed, the middle air port 316 is air-in, the lower air port 317 is air-out, and the second formed movement is completed;

the upper port 315 is exhausted, the middle port 316 is closed, and the lower port 317 is admitted to complete the resetting of the cylinder 312.

The punch 318 punches a workpiece by movement of the punch assembly 312. The distance of the two presses is adjusted by means of the first adjusting lever 313 and the second adjusting lever 314.

The final pressing component 320 comprises a final pressing cylinder 321 fixedly arranged on one side of the clamp assembly 1 through a supporting frame, a movable end of the final pressing cylinder 321 is fixedly connected with a final pressing punch, and the final pressing punch faces one station of the clamp assembly 1.

The center point hole opening assembly 210 and the bottom hole opening assembly 220 of the hole opening assembly 2 respectively comprise lifting rods 230 fixedly arranged on one side of the clamp assembly, drilling machines are respectively arranged at the top ends of the lifting rods 230 of the center point hole opening assembly 210 and the bottom hole opening assembly 220, and two drilling machines respectively provide different drill bits corresponding to the center point and the bottom hole.

According to the rotation direction of the clamp assembly 1 and the working position of the clamp on the clamp assembly, a center point punching assembly 210, a bottom hole punching assembly 220, a primary pressing assembly 310 and a final pressing assembly 320 are sequentially arranged; wherein the punch assembly 312 of the corresponding outer pin 300 of the primary press assembly is disposed adjacent the aperture assembly 2. One station is reserved as a feeding station for a worker to place a ratchet wheel and a ratchet shaft combination.

When the device works, firstly, a worker places the ratchet wheel 100 to be pinned and the ratchet shaft 200 on the clamp 110 of one feeding station in a combined manner, the table top 126 rotates one station by one station, the center hole of the ratchet wheel and ratchet shaft combination is positioned and the bottom hole is opened through the hole opening assembly 2, then the ratchet wheel and ratchet shaft combination enters the area where the punching assembly 3 is located, the outer pin body 300 is taken out by the feeding assembly 4 and is aligned with the bottom hole punching assembly 312 to perform the first-stroke movement, and at the moment, the second clamping jaw 418 in the feeding assembly 4 maintains the holding of the outer pin body 300, so that the outer pin body 300 is ensured not to incline when being pressed into the bottom hole. After the first stroke of the ram assembly 312 is completed, the second jaw 418 releases the outer pin 300 and the ram assembly 312 performs a second stroke of movement to further depress the outer pin 300. The stamping assembly 312 corresponding to the inner pin body 400 also presses the inner pin body 400 into the outer pin body 300 in a two-stage stroke motion in substantially the same manner as the outer pin body 300.

Unlike the movement process of the outer pin 300, since the inner pin 400 is pressed into the outer pin 300, the position accuracy requirement of the corresponding second clamping jaw 418 is higher, and the placement position of the second clamping jaw 418 after clamping the inner pin 400 can be further adjusted by arranging the adjusting groove on one side of the mounting piece 416, so that the inner pin 400 is ensured to be aligned with the cavity in the middle of the outer pin 300. While the adjustment is based on this approach, the accuracy is improved, however, because the inner pin 400 is forced more than the outer pin insertion process when it is entered into the outer pin 300. In order to ensure the service life of the device, the situation that the structure of the adjusting groove may deform after long-term use is avoided, so that the punch assembly 312 corresponding to the inner pin body 400 is provided with a push rod pressing rod 319 on one side of a punch 318, and the corresponding mounting piece 416 of the feeding assembly 4 is provided with an assembly push rod 422. So that the push rod plunger 319 simultaneously applies a downward force to the mounting member 416 as the punch 318 depresses the inner pin 400 on the second jaw 418. The force applied to the adjustment slot by the second jaw 418 is reduced, thereby extending the device lifetime and reducing device wear.

Example 7

On the basis of the embodiment, a plurality of workpiece detection sensors are arranged on the periphery of the clamp assembly 1, the workpiece detection sensors are correlation switches, and the detection direction is towards the clamping area of the clamp 110 to the workpiece in each station;

the fixture assembly 1 comprises a feeding station, wherein the two sides of the feeding station are respectively provided with a hole opening assembly 2 and a final pressing assembly 320 in the punching assembly 3, and a fixture detection sensor 5 is arranged at the feeding station;

the clamp detection sensors 5 are a group of correlation switches arranged at two sides of the feeding station, and the detection direction of the clamp detection sensors 5 faces to the clamp 110 in the feeding station; when the clamp 110 is opened, the clamp detection sensor 5 is blocked from reflecting light, and the clamp detection sensor 5 is blocked from reflecting the induction of the switch.

The whole one side of this device sets up the control box, sets up the main control module who forms control loop with each subassembly in the control box, and work piece detection sensor and anchor clamps detection sensor 5 are connected with main control module electricity and are formed the feedback path. When the workpiece detection sensor detects that the corresponding station fixture 110 has no workpiece, the equipment of the corresponding station is not operated. When the clamp detection sensor 5 detects that the clamp 110 in the feeding station is not closed, the whole device pauses to move, so that the production safety is ensured. In fig. 3, the non-solid line of the line extending from the clamp detection sensor 5 toward the clamp 110 at the feeding station is a schematic optical path display representing the sensing light of the correlation switch.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A ratcheting tensioner assembly system comprising

The fixture assembly (1) comprises a fixture (110) and a bearing mechanism (120) for bearing the fixture (110);

the clamp (110) is used for fixedly clamping a ratchet wheel (100) and a ratchet shaft (200) to be combined;

the bearing mechanism (120) can move the clamp (110) on the bearing mechanism to different stations;

the perforating assembly (2) comprises a central point perforating assembly (210) for locating a central point and a bottom hole perforating assembly (220) for locating a pin joint bottom hole on the basis of the central point;

a stamping assembly (3) comprising a preliminary press assembly (310) and a final press assembly (320);

the primary pressing assembly (310) comprises two pressing assemblies (312) erected on the pressing bracket (311), and the two pressing assemblies (312) respectively perform primary pressing corresponding to the outer pin body (300) and the inner pin body (400);

a final pressing assembly (320) for pressing the outer pin body (300) and the inner pin body (400) to the tooth root of the ratchet wheel (100);

different stations of the clamp (110) are correspondingly arranged on the punching assembly (2) and the stamping assembly (3);

the feeding assembly (4) is positioned on one side of the stamping assembly (3); the feed assembly includes a gripping feed mechanism (406); the clamping and feeding mechanism (406) comprises a feeding unit (412) and a clamping unit (413), and the feeding unit (412) is in sliding fit with the clamping unit (413);

the clamping unit (413) comprises a sliding assembly (414), the sliding assembly (414) comprises a sliding rail (415) arranged along the vertical direction and a mounting piece (416) in sliding fit with the sliding rail (415), a second clamping jaw air cylinder (417) is mounted on the mounting piece (416), and the clamping end of the second clamping jaw air cylinder (417) is arranged along the horizontal direction; two second clamping jaws (418) which synchronously and reversely move are arranged on the clamping end of the second clamping jaw cylinder (417);

the upper end of the mounting piece (416) is fixedly provided with an assembly push rod (422), and the assembly push rod (422) extends vertically upwards;

the primary pressing component (310) of the punching assembly (3) comprises,

a punching bracket (311), wherein the punching assembly (312) is arranged at the upper part of the punching bracket (311);

the stamping assembly (312) is a double-stroke cylinder, and the movable end of the stamping assembly (312) is connected with the punch (318);

a push rod pressing rod (319) is fixedly arranged at one side of a punch (318) of the punching assembly (312) corresponding to the inner pin body (400), the push rod pressing rod (319) corresponds to an assembly push rod (422) in the feeding assembly (4), and when the punch (318) corresponding to the inner pin body (400) pushes the inner pin body (400), the push rod pressing rod (319) synchronously pushes the assembly push rod (422);

an adjusting groove is formed between the mounting piece (416) and the second clamping jaw (418), the adjusting groove is a sliding groove which is horizontally arranged, and one side of the second clamping jaw (418) is in sliding connection with the adjusting groove;

the final-pressure assembly (320) comprises a final-pressure air cylinder (321) fixedly arranged on one side of the clamp assembly (1) through a supporting frame, the movable end of the final-pressure air cylinder (321) is fixedly connected with a final-pressure punch, and the final-pressure punch faces one station of the clamp assembly (1).

2. The ratcheting tensioner assembly system of claim 1, wherein the feed assembly (4) is provided with two, outer pin (300) and inner pin (400) feeds corresponding to two ram assemblies (312) of the primary ram assemblies (310), respectively.

3. The ratcheting tensioner assembly system of claim 2, wherein the feed assembly (4) comprises,

the device comprises a fixing frame (401) and a fixing base (402) arranged on one side of the fixing frame (401), wherein a conveying mechanism (403), a pushing mechanism (404) and a grabbing rotary mechanism (405) are arranged on the fixing frame (401), and the pushing mechanism (404) and the grabbing rotary mechanism (405) are oppositely arranged on two sides of the conveying mechanism (403); the clamping and feeding mechanism (406) is arranged on the fixed base (402); the clamping and feeding mechanism (406) is arranged above the conveying mechanism (403), and the pushing mechanism (404), the grabbing and rotating mechanism (405) and the clamping and feeding mechanism (406) are in linkage fit;

the pushing mechanism (404) comprises a pushing cylinder (407), the output end of the pushing cylinder (407) is connected with a pushing piece (408), and the pushing piece (408) and the grabbing rotating mechanism (405) are arranged oppositely.

4. The ratcheting tensioner assembly system of claim 3, wherein the load-bearing structure (120) of the clamp assembly (1) comprises,

the clamp motor (121), the clamp motor (121) is linked with the table top (126) through the linkage mechanism;

the upper part of the table top (126) is provided with a plurality of clamps (110), the clamps (110) are fixedly connected with the upper surface of the table top (126), and the clamps (110) are uniformly distributed on the table top (126) in a circumferential array;

the linkage mechanism comprises a divider (125), and the output end of the divider (125) is fixedly connected with the middle part of the lower side of the table top (126);

the input end of the divider (125) is linked with the clamp motor (121) through a chain wheel and chain combination;

the chain wheel and chain combination comprises a chain wheel (122) arranged on a motor shaft of the clamp motor (121), the input end of the divider (125) is connected with a torsion limiter (124), and the chain wheel (122) and the torsion limiter (124) are linked through a chain (123);

the fixture (110) comprises a U-shaped frame (112) fixedly arranged on the upper side of a bottom plate (111), an opening of the U-shaped frame (112) is vertically upwards arranged, two ends of the upper portion of the U-shaped frame (112) are hinged to the middle of a pressing rod (113) respectively, one side, facing the middle of a table top (126), of each pressing rod (113) is provided with an air cylinder (114), one end of each air cylinder (114) is hinged to the end of each pressing rod (113), and the other end of each air cylinder is hinged to the upper side of the bottom plate (111).

5. The ratchet tensioner assembly system according to any one of claims 1 to 4, wherein a plurality of workpiece detection sensors are provided on the circumferential side of the jig assembly (1), the workpiece detection sensors being correlation switches, the detection direction being toward the clamping area of the jig (110) to the workpiece in each station;

the fixture assembly (1) comprises a feeding station, wherein the two sides of the feeding station are respectively provided with the hole opening assembly (2) and the punching assembly (3), and a fixture detection sensor (5) is arranged at the feeding station;

the clamp detection sensors (5) are a group of correlation switches arranged at two sides of the feeding station, and the detection direction of the clamp detection sensors (5) faces to the clamp (110) in the feeding station; when the clamp (110) is opened, the correlation light of the clamp detection sensor (5) is blocked, and the induction of the correlation switch of the clamp detection sensor (5) is blocked.

6. A method of assembling a ratcheting tensioner using the assembly system of any of claims 1-5, comprising the steps of:

s1, sleeving a ratchet wheel (100) and a ratchet wheel shaft (200), wherein the ratchet wheel shaft (200) is of a cylindrical structure with a cavity inside, and the ratchet wheel (100) is placed in the middle position of the axial length of the ratchet wheel shaft (200);

s2, forming through holes on the ratchet wheel (100) and the ratchet wheel shaft (200);

s3, firstly inserting an outer pin body (300) into the formed through hole, wherein the outer pin body (300) is a cylindrical cotter pin, the whole outer pin body (300) is hollow, the two ends of the outer pin body are open, and an open slot which penetrates through the wall of the outer pin body along the axial direction of the wall of the outer pin body is formed in the cylindrical shape;

s4, inserting an inner pin body (400) into the outer pin body (300), wherein the outer diameter of the inner pin body (400) corresponds to the inner diameter of the outer pin body (300); after the insertion is completed, the two ends of the outer pin body (300) and the inner pin body (400) do not exceed the tooth root surface of the through hole formed by the ratchet wheel (100).

7. The assembling method of the ratchet tensioner according to claim 6, wherein in the step S2, when the through hole is formed, the combined state of the ratchet wheel (100) and the ratchet shaft (200) is maintained, the center point is first positioned at the position where the through hole is to be formed by the drill a, and then the through hole is formed at the center point by the drill B, and the through hole is formed through the ratchet wheel (100) and the ratchet shaft (200).

8. The assembling method of the ratchet tensioner according to claim 6, wherein the inner pin body (400) in the step S4 is also a cylindrical cotter pin, and an outer diameter of the inner pin body (400) is equal to or smaller than an inner diameter of the outer pin body (300);

the opening of the cylinder wall of the inner pin body (400) is not overlapped with the opening of the cylinder wall of the outer pin body (300).