CN212351027U

CN212351027U - A lazytongs for rear overhang volume tightening machine

Info

Publication number: CN212351027U
Application number: CN202020160164.1U
Authority: CN
Inventors: 易栗; 陈志�; 陈天虎; 陈祖鑫
Original assignee: Zhongshan CLG Automation Equipment Co Ltd
Current assignee: Zhongshan CLG Automation Equipment Co Ltd
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2021-01-15
Anticipated expiration: 2030-02-11

Abstract

The utility model discloses a lazytongs for back overhang volume tightens machine, which comprises a fixed base, the swing arm, drive assembly and stopping subassembly, the one end of swing arm is articulated with the fixing base, drive assembly sets up on the fixing base and is connected with the other end of swing arm, the swing arm is equipped with the opening that supplies the stopping subassembly to pass and its bottom is equipped with the spacing portion that extends down, the stopping subassembly is connected with the swing arm and its rotation that can follow the swing arm moves, and the lower extreme liftable ground of stopping subassembly vertically wears to locate and extends to the swing arm below after the opening, the lower extreme and the spacing portion of stopping subassembly inject jointly and are used for carrying out the spacing chamber of fixing a position to FDS line body synchronizing block. The utility model discloses a synchronizing mechanism, its simple structure can realize FDS line body synchronizing block and synchronizing mechanism's synchronous connection and separation, reduces the motion difference, is applicable to light load equipment and heavy load equipment simultaneously; in addition, the automatic degree of the retaining assembly is high, and the use flexibility is strong.

Description

A lazytongs for rear overhang volume tightening machine

Technical Field

The utility model relates to a lazytongs technical field especially relates to a lazytongs that is used for back suspension volume to screw up machine.

Background

The synchronization of the existing rear overhang bulk tightening machine equipment and a trolley is generally realized by sharing the same power source, double power sources or a synchronization mechanism. The same power source is shared, and although the synchronism of the equipment and the trolley can be improved, the working load of the power source is increased, and the service life of the power source is influenced. The double power sources have high matching requirement and easily have the defects of poor power and poor synchronism. In addition, current lazytongs are only applicable to light load equipment usually, to the lazytongs that is applicable to heavy load equipment, through electric jar and swing arm cooperation, the structure is complicated relatively, and manufacturing cost is high.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a lazytongs for back suspension volume tightening machine, its simple structure can realize the synchronous connection and the separation of back suspension volume tightening machine and the FDS line body, and extensive applicability is applicable to underloading and heavy load equipment.

According to the synchronous mechanism for the rear suspension tightening machine, the technical scheme is as follows:

the utility model provides a lazytongs for rear overhang volume tightening machine, includes fixing base, swing arm, drive assembly and stopping subassembly, the swing arm can movably set up in the fixing base below and its one end with the fixing base is articulated, drive assembly set up in on the fixing base and its output with the other end of swing arm is connected and is used for driving the swing arm encircles the pin joint and rotates, the swing arm is equipped with the opening that supplies the stopping subassembly to pass and its bottom is equipped with spacing portion that extends down, the stopping subassembly with the swing arm is connected and it can move along with the rotation of swing arm, and the lower extreme of stopping subassembly vertically wears to locate behind the opening extends to the swing arm below, the lower extreme of stopping subassembly with spacing portion prescribes a limit to the limit to be used for fixing a position FDS line body synchronizing block jointly.

In some embodiments, the fixed seat comprises a transverse support and a vertical support which are connected with each other in an inverted L shape, the swing arm is arranged below the transverse support, and one end of the swing arm is hinged with the lower end of the vertical support; the drive assembly comprises a driver and a movable rod, the driver is installed at the free end of the transverse support, the upper end of the movable rod is connected with the driver, and the lower end of the movable rod is far away from the swing arm and is connected with one end of the vertical support.

In some embodiments, the driving assembly further comprises a connecting shaft, two convex blocks extending outwards are arranged at intervals side by side at one end of the swing arm far away from the vertical support, the connecting shaft is arranged between the two convex blocks, two ends of the connecting shaft are respectively connected with the two convex blocks, and the lower end of the movable rod is inserted between the two convex blocks and is connected with the connecting shaft in a matched manner.

In some embodiments, the swing arm device further comprises a hinge shaft, the lower end of the vertical support is provided with an inverted U-shaped groove parallel to the swing arm, two ends of the hinge shaft are respectively connected with two opposite side walls of the inverted U-shaped groove, and one end of the swing arm close to the vertical support extends into the inverted U-shaped groove and is connected with the hinge shaft.

In some embodiments, the retaining assembly comprises a retaining portion and a connecting bracket, the connecting bracket is disposed between the transverse support and the swing arm and is connected with the swing arm or the hinge shaft, and the connecting bracket can move along with the rotation of the swing arm; the upper end of stopping portion with linking bridge connects, and the lower extreme vertically wears to locate with liftable extend to behind the opening swing arm below, spacing portion with the lower extreme of stopping portion prescribes a limit to the spacing chamber jointly.

In some embodiments, a guide structure is arranged on one surface of the lower end of the backstop part, which is far away from the limiting part, and when an FDS wire body synchronous block moves from the guide structure to the inside of the limiting cavity, the backstop part can be pushed to ascend.

In some embodiments, the anti-back assembly further comprises an elastic member for pushing the connecting bracket to descend, wherein the upper end of the elastic member is fixedly connected with the transverse support, and the lower end of the elastic member is fixedly connected with the top of the connecting bracket.

In some embodiments, the swing arm further comprises a moving member for converting a downward pressure of the swing arm into a friction force, the moving member is disposed on the swing arm, and when the swing arm is at a lowest position, a lowest point of the moving member is lower than a lowest point of the stopping portion and a lowest point of the limiting portion respectively.

In some embodiments, the FDS cable body synchronous detection device further comprises a first detection switch, the first detection switch is arranged at the opening and connected with the inner side wall of the opening, and the lower end of the first detection switch extends into the limiting cavity and is used for detecting whether an FDS cable body synchronous block exists in the limiting cavity.

In some embodiments, the anti-back assembly further comprises a second detection switch for detecting whether the anti-back assembly descends to a preset position, the transverse support is provided with a connecting block extending downwards, and the second detection switch is mounted on the connecting block; the stopping subassembly includes linking bridge and response piece, the stiff end of response piece with linking bridge fixed connection, the free end set up in second detection switch top, just the free end of response piece is along with linking bridge descends to when second detection switch the place ahead, second detection switch can detect the free end of response piece.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model discloses a synchronizing mechanism, it is through designing the stopping subassembly to move along with the rotation of swing arm to the stopping subassembly can carry out elevating movement for the swing arm, so that FDS line body synchronizing block moves to spacing chamber the inside from the place ahead of stopping subassembly, and degree of automation is high, uses the flexibility strong;

2. under the common limitation of the lower end and the limiting part of the stopping assembly, the FDS line body synchronous block can synchronously move along with the movement of the synchronous mechanism, and compared with the existing synchronous mechanism, the structure of the synchronous mechanism of the utility model is simple, the synchronous connection of the FDS line body synchronous block A and the rear suspension accumulation tightening machine can be realized, the synchronism is improved, the movement difference is reduced, and the synchronous mechanism is simultaneously suitable for light-load equipment and heavy-load equipment;

3. when the driving swing arm rotates upwards, the stopping assembly can be synchronously driven to move upwards so as to relieve the limiting effect of the lower end and the limiting part of the stopping assembly on the FDS line body synchronous block, and further realize the separation of the synchronous mechanism and the FDS line body synchronous block.

Drawings

Fig. 1 is a schematic structural view of a synchronizing mechanism according to an embodiment of the present invention, in which a swing arm and a thrust assembly are in a descending state;

fig. 2 is a schematic structural view of another angle of the synchronizing mechanism according to the embodiment of the present invention, in which the swing arm and the thrust assembly are in a descending state;

fig. 3 is a cross-sectional view of a synchronizing mechanism in an embodiment of the invention;

FIG. 4 is a front view of the synchronizing mechanism in an embodiment of the present invention, showing the swing arm and thrust assembly in a lowered position;

fig. 5 is a front view of the synchronizing mechanism according to the embodiment of the present invention, in which the swing arm and the thrust assembly are in a raised state.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

As shown in fig. 1 to 4, a synchronizing mechanism for a rear suspension tightening machine, which is fixedly installed to the rear suspension tightening machine through a fixing plate B and moves forward and backward in synchronization with the forward and backward movement of the rear suspension tightening machine, for limiting or positioning an FDS wire body synchronizing block a so that the FDS wire body synchronizing block a can move backward in synchronization with the backward movement of the rear suspension tightening machine through the synchronizing mechanism. In this implementation, the synchronizing mechanism includes fixing base 1, swing arm 2, drive assembly 3 and stopping assembly 4, and swing arm 2 can movably set up in fixing base 1 below and its one end is articulated with fixing base 1, is equipped with the opening 21 that supplies stopping assembly 4 to pass and its bottom on swing arm 2 is equipped with spacing portion 22 that extends down. The driving component 3 is arranged on the fixed seat 1, and the output end of the driving component is connected with the other end of the swing arm 2, so that the swing arm 2 is driven to rotate around a hinge point (namely, a connecting point of the swing arm 2 and the fixed seat 1). Stopping subassembly 4 is connected and its rotation and motion along with swing arm 2, and the lower extreme liftable of stopping subassembly 4 vertically wears to locate behind the opening 21 and extends to swing arm 2 below, and the lower extreme and the spacing portion 22 of stopping subassembly 4 and inject the spacing chamber 5 that is used for fixing a position FDS line body synchronizing block A (see figure 4) jointly.

When the driving assembly 3 drives the swing arm 2 and the stopping assembly 4 to descend to a certain position, the FDS line body synchronous block A moves from the front of the stopping assembly 4 towards the inside of the limiting cavity 5, and the FDS line body synchronous block A firstly pushes the stopping assembly 4 to ascend so that the FDS line body synchronous block A can move into the limiting cavity 5; when the FDS line body synchronous block A moves to the inner side of the limiting cavity 5, the stopping component 4 descends by means of self weight and carries out rear limiting on the FDS line body synchronous block A, and when the synchronous mechanism moves synchronously along with the rear suspension tightening machine towards the rear direction, under the common limitation of the lower end of the stopping component 4 and the limiting part 22, the FDS line body synchronous block A can move synchronously along with the movement of the synchronous mechanism towards the rear direction. When the FDS line body synchronous block A needs to be moved away from the synchronous mechanism, the driving assembly 3 drives the swing arm 2 to swing upwards, the movement of the swing arm 2 can synchronously drive the stopping assembly 4 to move upwards, and then the limiting effect of the limiting part 22 and the lower end of the stopping assembly 4 on the FDS line body synchronous block A is relieved.

In the synchronizing mechanism of the embodiment, the stopping assembly 4 is designed to move along with the rotation of the swing arm 2, and the stopping assembly 4 can perform lifting motion relative to the swing arm 2, so that the FDS line body synchronizing block a can move from the front of the stopping assembly 4 to the inside of the limiting cavity 5, the degree of automation is high, and the use flexibility is strong; in addition, under the common limitation of the lower end of the retaining component 4 and the limiting part 22, the FDS line body synchronizing block a can move synchronously along with the backward movement of the synchronizing mechanism, compared with the existing synchronizing mechanism, the synchronizing mechanism of the embodiment has a simple structure, can realize the synchronous connection of the FDS line body synchronizing block a and the rear suspension deposition tightening machine, improves the synchronism, reduces the movement difference, has wide applicability, and is suitable for light-load equipment and heavy-load equipment; when the driving swing arm 2 rotates upwards, the stopping assembly 4 can be driven to move upwards synchronously, so that the limiting effect of the lower end of the stopping assembly 4 and the limiting part 22 on the FDS line body synchronous block A is relieved, and the separation of the synchronous mechanism and the FDS line body synchronous block A is realized.

Specifically, the fixing base 1 includes a horizontal support 11 and a vertical support 12 connected to each other in an inverted "L" shape. At the free end of the transverse support 11 (i.e. the front end of the transverse support 11), a downward-projecting extension 111 is provided, the extension 111 is used for fixedly connecting with the driving assembly 3, and the extension 111, the transverse support 11 and the vertical support 12 enclose to form a similar n shape. An inverted U-shaped groove 121 parallel to the swing arm 2 is arranged at the lower end of the vertical support 12, and the inverted U-shaped groove 121 is used for installing one end of the swing arm 2 close to the vertical support 12 and is also used for enabling one end of the swing arm 2 close to the vertical support 12 to rotate clockwise or anticlockwise.

As shown in fig. 1, further, the front end of the swing arm 2 is connected with the two opposite side walls of the inverted U-shaped groove 121 through the hinge shaft 6, and the rear end is connected with the driving component 3, so that the right end of the swing arm 2 is rotatably connected with the lower end of the vertical support 12 through the hinge shaft 6, and when the driving component 3 drives the rear end of the swing arm 2 to move downwards or upwards, the swing arm 2 rotates anticlockwise or clockwise around the connection point of the swing arm 2 and the hinge shaft 6.

Specifically, hinge shaft holes (not shown) for the hinge shaft 6 to pass through are respectively formed on two opposite side walls of the inverted U-shaped groove 121, two ends of the hinge shaft 6 are respectively and transversely inserted through the two hinge shaft holes, and any end of the hinge shaft 6 protrudes out of the side wall of the corresponding inverted U-shaped groove 121. One end of the swing arm 2 close to the vertical support 12 (namely the front end of the swing arm 2) extends into the inverted U-shaped groove 121 and is connected with the articulated shaft 6. In addition, two lugs 23 extending backwards are arranged at the rear end of the swing arm 2 side by side at intervals, and the two lugs 23 are used for being matched and connected with the lower end of the driving assembly 3.

As shown in fig. 1-2, the opening 21 is vertically disposed in the middle of the swing arm 2 and penetrates the top and bottom surfaces of the swing arm 2, and a mounting cavity (not shown in the figure) which is recessed inward and communicates with the opening 21 is disposed at the bottom of the swing arm 2. The limiting part 22 is disposed at the installation cavity, and one end of the limiting part extends into the opening 21, so as to define the limiting cavity 5 together with the lower end of the retaining assembly 4. In this embodiment, the limiting portion 22 is a limiting block to facilitate increasing the bearing capacity of the limiting portion 22, thereby ensuring that the limiting portion 22 is suitable for limiting the heavy-duty equipment.

As shown in fig. 4, preferably, the bottom surface of the limiting portion 22 is an inclined plane which is inclined from top to bottom and faces the direction of the limiting cavity 5, and one side of the inclined plane, which is far away from the limiting cavity 5, is located inside the installation cavity, and the lowest point of the inclined plane (i.e. the lowest point of the limiting portion 22) is lower than the lowest point of the swing arm 2, so that when the driving assembly 3 pushes the swing arm 2 to move downwards, the swing arm 2 impacts the ground plane of the FDS trolley line, and meanwhile, the height difference between the lower end surface of the opening 21 and the ground plane of the FDS trolley line can be increased, which is beneficial to increasing the size of the limiting cavity 5 in the up-down direction, so that the limiting cavity 5 is adapted to the.

More preferably, the size of the limiting cavity 5 in the front-back direction is slightly larger than the length of the FDS wire body synchronizing block a in the front-back direction, so as to ensure that the limiting cavity 5 is adapted to the FDS wire body synchronizing block a with different length deviations, and further, the synchronizing mechanism is effectively applicable to different use environments.

As shown in fig. 1-2, specifically, the driving assembly 3 includes a driver 31 and a movable rod 32, the driver 31 is installed at a lower end of a side of the extension 111 away from the vertical support 12, so that the installation height of the driver 31 can be reduced, on one hand, the problem that the top surface of the driver 31 is too high compared with the top surface of the horizontal support 11 to cause the increase of the volume of the synchronization mechanism is avoided, on the other hand, the distance between the bottom surface of the driver 31 and the rear end of the swing arm 2 can be shortened, and therefore, the length of the movable rod. The upper end of the movable rod 32 is connected with the driver 31, and the lower end of the movable rod is connected with one end of the swing arm 2 far away from the vertical support 12 in a matching manner, so that when the driving assembly 3 drives the movable rod 32 to do descending or ascending motion, the motion of the movable rod 32 can push the rear end of the swing arm 2 to move downwards or pull the rear end of the swing arm 2 to move upwards; in addition, the rotation angle of the swing arm 2 can be controlled by controlling the telescopic length of the movable rod 32, so that the synchronizing mechanism is suitable for different use environments, and the applicability of the synchronizing mechanism is improved.

Preferably, the actuator 31 is a pneumatic cylinder and the movable rod 32 is a piston rod. The driving assembly 3 further includes a connecting shaft 33, the two protrusions 23 at the rear end of the swing arm 2 are respectively provided with a connecting shaft hole (not shown in the figure), the connecting shaft 33 is disposed between the two protrusions 23, and two ends of the connecting shaft are respectively and transversely disposed in the two connecting shaft holes. The lower end of the movable rod 32 is inserted between the two protrusions 23 and movably connected with the connecting shaft 33. Therefore, the swing arm 2 is stably and reliably connected with the lower end of the movable rod 32 through the matching of the connecting shaft 33 and the two convex blocks 23, and the swing arm 2 can move along with the lifting of the movable rod 32.

As shown in fig. 1-2, in particular, the retaining assembly 4 includes a retaining portion 41 and a connecting bracket 42, the connecting bracket 42 is disposed between the transverse support 11 and the swing arm 2 and movably connected to the swing arm 2 or the hinge shaft 6, and the connecting bracket 42 can move along with the rotation of the swing arm 2; the upper end and the linking bridge 42 of stopping portion 41 are connected, and the lower extreme liftable ground vertically wears to locate and extends to swing arm 2 below behind the opening 21, and spacing chamber 5 is injectd jointly to the lower extreme of spacing portion 22 and stopping portion 41, and swing arm 2 accessible linking bridge 42 drives stopping portion 41 and carries out the elevating movement like this.

As shown in fig. 2-3, in the present embodiment, the connecting bracket 42 includes a top plate 42A and two side plates 42B arranged side by side and spaced apart on the left and right sides of the bottom surface of the top plate 42A, the top plate 42A is arranged between the swing arm 2 and the transverse support 11, and the two side plates 42B are respectively arranged on the left and right outer sides of the swing arm 2. Every curb plate 42B is equipped with the lug 422 that extends towards articulated shaft 6 direction at the one side lower extreme that is close to vertical support 12, and two lugs 422 are located the outer both ends swing joint of inverted U-shaped groove 121 lateral wall with articulated shaft 6 respectively, so be connected with articulated shaft 6 cooperation respectively through two lugs 422, realized linking bridge 42 and articulated shaft 6 reliable and stable together to make the motion of swing arm 2 can drive linking bridge 42 simultaneous movement through articulated shaft 6.

Preferably, the retaining portion 41 is prism-shaped to ensure that the retaining portion 41 itself has a sufficient strength, and further ensure that the lower end of the retaining portion 41 can limit the heavy-duty equipment. The lower end of the stopping portion 41 is provided with a guide structure 411 on the side deviating from the limiting portion 22, when the FDS line body synchronous block A moves to the inside of the limiting cavity 5 from the guide structure 411, the stopping portion 41 can be pushed to ascend so that the FDS line body synchronous block A can move to the inside of the limiting cavity 5 rapidly, when the FDS line body synchronous block A moves to the inside of the limiting cavity 5, the stopping portion 41 descends by means of self weight and limits the FDS line body synchronous block A, and under the common limiting action of the stopping portion 41 and the limiting portion 22, the synchronous mechanism can be effectively guaranteed to drive the synchronous movement of the FDS line body synchronous block A. In this embodiment, the guiding structure 411 is an inclined plane inclined from top to bottom and toward the limiting cavity 5, so as to guide the FDS line body to move from the front of the guiding structure 411 to the inside of the limiting cavity 5.

As shown in fig. 3, specifically, the retaining assembly 4 further includes a connecting rod 44, a positioning boss 412 protruding upward is disposed in the middle of the top surface of the retaining portion 41, a through hole (not shown) penetrating through the left and right sidewalls is disposed in the middle of the top surface, and a positioning groove 423 recessed upward is disposed at a position corresponding to the positioning boss 412 on the bottom surface of the top plate 42A. During installation, the positioning boss 412 of the retaining portion 41 is vertically inserted into the positioning groove 423, the left end of the connecting rod 44 horizontally penetrates through the through hole and then is connected with the left side plate 42B in a matching manner, and the right end of the connecting rod is connected with the right side plate 42B in a matching manner. Thereby, the connecting rod 44 realizes that the retaining part 41 and the connecting bracket 42 are reliably connected together; in addition, through the cooperation of location boss 412 and constant head tank 423, not only play limiting displacement to the assembly of stopping portion 41, can also avoid stopping portion 41 to appear shifting in the lift in-process.

More specifically, the retaining assembly 4 further includes an elastic member 43 for pushing the connecting bracket 42 downward, an upper end of the elastic member 43 being fixedly connected to the transverse support 11, and a lower end thereof being fixedly connected to the top plate 42A of the connecting bracket 42. In this embodiment, the elastic member 43 is a spring, and when the connecting bracket 42 is in the ascending state, the elastic member 43 is in the compressed state; when the connecting bracket 42 descends, the pretightening force of the elastic piece 43 can push the connecting bracket 42 to descend, so that the stopping part 41 moves towards the direction and is used for limiting the synchronization block A of the FDS line body. It can be seen that the addition of the elastic member 43 not only accelerates the lowering speed of the retaining portion 41, but also prevents the connecting bracket 42 and the retaining portion 41 from being locked.

As shown in fig. 3-4, further, the swing arm device further includes a moving member 7 for converting the downward pressure of the swing arm 2 into friction, the moving member 7 is disposed on the swing arm 2, and when the swing arm 2 is at the lowest position, the lowest point of the moving member 7 is lower than the lowest point of the retaining portion 41 and the lowest point of the limiting portion 22, respectively, so that a height difference H2 exists between the lowest point of the retaining portion 41 and the FDS trolley line ground plane, and a height difference H1 exists between the lowest point of the limiting portion 22 and the FDS trolley line ground plane. Therefore, due to the arrangement of the moving piece 7, on one hand, the size of the limiting cavity 5 in the vertical direction is further increased, and the limiting cavity 5 can absorb the unnecessary height difference allowance of the FDS line body; the second aspect can avoid the damage of the FDS trolley line ground plane caused by the excessive downward pressure of the movable rod 32; and in the third aspect, the friction force between the synchronization mechanism and the FDS trolley line ground plane can be reduced, so that the synchronization mechanism can move along with the back-and-forth movement of the rear suspension tightening machine.

Preferably, a roller fixing shaft 24 is fixedly connected to the right side wall of the opening 21, and the moving member 7 is a roller rotatably connected to the end portion of the roller fixing shaft 24 located outside the right side wall of the swing arm 2.

As shown in fig. 3, further, the device further includes a first detection switch 81, the first detection switch 81 is disposed at the opening 21 and connected to the inner sidewall of the opening 21, and the lower end of the first detection switch 81 extends into the limiting cavity 5 to detect whether there is an FDS linear synchronization block a in the limiting cavity 5. Therefore, by additionally arranging the first detection switch 81, the FDS line body synchronization block A is convenient to exist in the limiting cavity 5, and the controllability of the synchronization mechanism is improved.

Specifically, an L-shaped bracket located between the retaining portion 41 and the limiting portion 22 is disposed in the opening 21, a side surface of the L-shaped bracket is fixedly connected to a left inner side wall of the opening 21, and a bottom surface of the L-shaped bracket is fixedly connected to the first detection switch 81.

As shown in fig. 3, further, a second detection switch 82 for detecting whether the retaining portion 41 descends to a preset position is further included, a connection block 112 extending downward is fixedly connected to the outer side of the left side wall of the transverse support 11, and the second detection switch 82 is mounted on the connection block 112; the retaining assembly 4 further includes a sensing member 421 in a zigzag shape, a fixed end of the sensing member 421 is fixedly connected to the connecting bracket 42, a free end of the sensing member is disposed above the second detection switch 82 (see fig. 5), when the connecting bracket 42 and the retaining portion 41 descend, the free end of the sensing member 421 descends to a position right in front of the second detection switch 82 along with the connecting bracket 42, the second detection switch 82 can detect the free end of the sensing member 421, and at this time, it indicates that the connecting bracket 42 and the retaining portion 41 have descended to a preset position. Therefore, by additionally arranging the second detection switch 82 for detecting whether the retaining part 41 descends to the preset position, the abnormal phenomenon that the FDS linear body synchronous block A cannot synchronously move with the synchronous mechanism because the retaining part 41 does not descend to the preset position can be avoided.

In the present embodiment, the predetermined position is specifically a height difference H2 between the lowest point of the stopping portion 41 and the FDS trolley line ground plane when the moving member 7 descends to abut against the FDS trolley line ground plane. The front of the second detection switch 82 specifically refers to the front of one end of the second detection switch 82 close to the sensing element 421.

The working principle of the synchronization mechanism of the present embodiment is described below with reference to fig. 4 to 5:

as shown in fig. 4, when the actuator 31 drives the movable rod 32 to reserve downward, the movable rod 32 can push the swing arm 2 to rotate downward around the hinge point between the swing arm 2 and the hinge shaft 6, the swing arm 2 can rotate downward to drive the retaining portion 41 to move downward through the connecting bracket 42, meanwhile, the swing arm 2 synchronously drives the moving member 7 to move downward, the pretightening force of the elastic member 43 pushes the retaining portion 41 to descend at an accelerated speed through the connecting bracket 42, so that when the connecting bracket 42 is blocked, the swing arm 2 cannot drive the retaining portion 41 to descend at a synchronous speed through the connecting bracket 42. When the moving member 7 descends to abut against the FDS trolley line ground plane, the actuator 31 stops working, and the stopper portion 22 and the retaining portion 41 descend to the lowest position.

The FDS line body synchronous block A moves from the front of the synchronous mechanism to the direction close to the synchronous mechanism along the FDS trolley line, and when the FDS line body synchronous block A moves to the guide structure 411 of the stopping part 41, the stopping part 41 is pushed to move upwards so that the FDS line body synchronous block A can move to the inside of the limiting cavity 5; when the FDS line body synchronizing block A moves to the inner side of the limiting cavity 5, the stopping part 41 descends under the pushing of the pretightening force of the moving part 7 by means of self weight so as to limit the FDS line body synchronizing block A.

Before the rear suspension product tightening machine moves, the first detection switch 81 detects whether the FDS linear body synchronizing block a has moved into the limiting cavity 5, if so, the second detection switch 82 detects whether the free end of the sensing piece 421 falls to the front of the second detection switch 82, if the second detection switch 82 detects the free end of the sensing piece 421, it indicates that the retaining portion 41 has fallen to a preset position (i.e., the lowest point position), and the lower end of the retaining portion 41 and the limiting portion 22 can limit the FDS linear body synchronizing block a together, at this time, the rear suspension product tightening machine is controlled to move, and the rear suspension product tightening machine drives the FDS linear body synchronizing block a to move synchronously through the synchronizing mechanism, so that the synchronous movement of the rear suspension product tightening machine and the FDS linear body synchronizing block a is reliably controlled through the synchronizing mechanism, the synchronism is high, and the movement difference between the rear suspension product tightening machine and the FDS linear body synchronizing block a is favorably reduced.

As shown in fig. 5, when the FDS line synchronization block a needs to be moved away from the synchronization mechanism, the driver 31 drives the movable rod 32 to move upward, the movable rod 32 can drive the rear end of the swing arm 2 to rotate upward, the movement of the swing arm 2 can synchronously drive the moving member 7 and the connecting bracket 42 to move upward, and the movement of the connecting bracket 42 can compress the moving member 7 and synchronously drive the stopping portion 41 to move upward. When the lowest point of the moving member 7 moves upwards along with the rear end of the swing arm 2 and is higher than the top surface of the FDS line body synchronization block a, the driver 31 is controlled to stop working, at this time, the limiting effect of the lower ends of the limiting part 22 and the stopping part 41 on the FDS line body synchronization block a is relieved, and the FDS line body synchronization block a can move towards the direction far away from the synchronization mechanism along the FDS trolley line.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The synchronizing mechanism for the rear suspension tightening machine is characterized by comprising a fixing seat (1), a swing arm (2), a driving assembly (3) and a stopping assembly (4), wherein the swing arm (2) is movably arranged below the fixing seat (1), one end of the swing arm is hinged to the fixing seat (1), the driving assembly (3) is arranged on the fixing seat (1), the output end of the driving assembly is connected with the other end of the swing arm (2) and used for driving the swing arm (2) to rotate around a hinged point, the swing arm (2) is provided with an opening (21) for the stopping assembly (4) to pass through, the bottom of the swing arm is provided with a limiting part (22) extending downwards, the stopping assembly (4) is connected with the swing arm (2) and can move along with the rotation of the swing arm (2), and the lower end of the stopping assembly (4) can be lifted and vertically penetrates through the opening (21) and then extends to the lower part of the swing arm (2), the lower end of the retaining assembly (4) and the limiting part (22) jointly define a limiting cavity (5) for positioning an FDS wire body synchronous block.

2. A synchronization mechanism for rear suspension tightening machines according to claim 1, characterized in that the fixed seat (1) comprises a transverse support (11) and a vertical support (12) connected to each other in the shape of an inverted "L", the swing arm (2) being arranged below the transverse support (11) and being hinged at one end to the lower end of the vertical support (12); drive assembly (3) include driver (31) and movable rod (32), driver (31) install in the free end department of horizontal support (11), the upper end of movable rod (32) with driver (31) are connected, the lower extreme with swing arm (2) are kept away from the one end of vertical support (12) is connected.

3. The synchronizing mechanism for the rear suspension tightening machine according to claim 2, wherein the driving assembly (3) further comprises a connecting shaft (33), one end of the swing arm (2) away from the vertical support (12) is provided with two protrusions (23) extending outwards at intervals side by side, the connecting shaft (33) is arranged between the two protrusions (23) and two ends of the connecting shaft are respectively connected with the two protrusions (23), and the lower end of the movable rod (32) is inserted between the two protrusions (23) and is connected with the connecting shaft (33) in a matching manner.

4. A synchronizing mechanism for a rear suspension tightening machine according to claim 2, characterized by further comprising a hinge shaft (6), wherein the lower end of the vertical support (12) is provided with an inverted U-shaped groove (121) parallel to the swing arm (2), both ends of the hinge shaft (6) are respectively connected to two opposite side walls of the inverted U-shaped groove (121), and one end of the swing arm (2) near the vertical support (12) extends into the inverted U-shaped groove (121) and is connected to the hinge shaft (6).

5. A synchronizing mechanism for rear overhang tightening machines according to claim 4, characterized in that the backstop assembly (4) comprises a backstop (41) and a connecting bracket (42), the connecting bracket (42) being disposed between the transverse support (11) and the swing arm (2) and being connected with the swing arm (2) or the articulated shaft (6), and the connecting bracket (42) being movable with the rotation of the swing arm (2); the upper end of stopping portion (41) with linking bridge (42) are connected, and the lower extreme vertically wears to locate with liftable extend to behind opening (21) swing arm (2) below, spacing portion (22) with the lower extreme of stopping portion (41) prescribes a limit to spacing chamber (5) jointly.

6. A synchronizing mechanism for rear suspension tightening machine according to claim 5, characterized in that the lower end of the backstop portion (41) is provided with a guiding structure (411) on the side facing away from the stop portion (22), and when the FDS linear synchronization block moves from the guiding structure (411) to the inside of the stop cavity (5), the backstop portion (41) can be pushed to rise.

7. A synchronizing mechanism for rear overhang tightening machines according to claim 5, wherein the back stop assembly (4) further comprises an elastic member (43) for pushing the connecting bracket (42) down, the elastic member (43) being fixedly connected at an upper end thereof to the lateral support (11) and at a lower end thereof to the top of the connecting bracket (42).

8. The synchronizing mechanism for a rear overhang tightening machine according to claim 5, further comprising a moving member (7) for converting a downward pressing force of the swing arm (2) into a frictional force, wherein the moving member (7) is provided on the swing arm (2), and a lowest point of the moving member (7) is lower than a lowest point of the backstop portion (41) and a lowest point of the stopper portion (22), respectively, when the swing arm (2) is at a lowest position.

9. A synchronizing mechanism for a rear overhang tightening machine according to any one of claims 2 to 8, further comprising a first detecting switch (81), wherein the first detecting switch (81) is disposed at the opening (21) and connected to an inner sidewall of the opening (21), and a lower end of the first detecting switch (81) protrudes into the limit chamber (5) for detecting presence or absence of an FDS linear synchronization block in the limit chamber (5).

10. A synchronizing mechanism for a rear suspension tightening machine according to claim 9, further comprising a second detecting switch (82) for detecting whether the back-stop assembly (4) is lowered to a preset position, the cross bracket (11) being provided with a downwardly extending connecting block (112), the second detecting switch (82) being mounted on the connecting block (112); stopping subassembly (4) including linking bridge (42) and response piece (421), the stiff end of response piece (421) with linking bridge (42) fixed connection, the free end set up in second detection switch (82) top, just the free end of response piece (421) is along with linking bridge (42) descend to during second detection switch (82) the place ahead, second detection switch (82) detectable the free end of response piece (421).