WO2021233211A1

WO2021233211A1 - Synchronous adjustment device

Info

Publication number: WO2021233211A1
Application number: PCT/CN2021/093721
Authority: WO
Inventors: 高国武
Original assignee: 大连富地重工机械制造有限公司
Priority date: 2020-05-20
Filing date: 2021-05-14
Publication date: 2021-11-25
Also published as: CN111687750A

Abstract

A synchronous adjustment device, comprising a first rotating assembly (1a) and a second rotating assembly (2a), wherein the first rotating assembly (1a) is further provided thereon with a working assembly (3a), the working assembly (3a) can synchronously rotate with the first rotating assembly (1a) to process a continuous bar (aa) passing through the center thereof, the first rotating assembly (1a) comprises a first driven part (1a1) and a second driven part (1a2), and the second driven part (1a2) can rotate with respect to the first driven part (1a1). The synchronous adjustment device can rotate and adjust a working component on a rotating component while rotating the rotating component, so that the specification is adjusted while rotating the working component, thereby improving the production efficiency of the whole production line.

Description

Synchronous adjustment device

Technical field

The invention relates to the technical field of synchronization adjustment, in particular to a synchronization adjustment device.

Background technique

The current adjustment technology and adjustment structure have been varied and mature, but it is still a difficult problem to synchronize the rotation of the rotating part while adjusting the working parts on the rotating part while rotating, especially in places with small spaces. For example, the steel coil support device on the uncoiler, the variable specification adjustment device on the continuous material grinding machine, etc., all need to realize the variable specification adjustment while continuously rotating. Then in order to solve such problems and improve production efficiency, a synchronous system is developed. The adjustment device is particularly important.

technical problem

The embodiment of the present invention provides a synchronous adjustment device, which can realize the rotating work of the rotating part and adjust the working parts on the rotating part while rotating, so that the working parts can realize the adjustment of specifications while rotating, and improve the overall production line. Productivity.

Technical solutions

On the one hand, a synchronous adjustment device includes a first rotating component 1a and a second rotating component 2a, wherein the first rotating component 1a is also provided with a working component 3a, and the working component 3a can rotate and traverse synchronously with the first rotating component 1a The continuous bar material aa passing through the center is processed, characterized in that the first rotating assembly 1a includes a first receiving part 1a1 and a second receiving part 1a2, and the second rotating assembly 2a is also provided with a first transmission part 2a1 and a second The second transmission portion 2a2, the first transmission portion 2a1 cooperates with the first driven portion 1a1 to realize the second rotation component 2a drives the first rotation component 1a to rotate, and the second transmission portion 2a2 cooperates with the second driven portion 1a2 to realize the second rotation The rotational displacement of the receiving portion 1a2 relative to the first receiving portion 1a1 realizes the position adjustment of the working assembly 3a.

According to an aspect of the embodiment of the present invention, the first actuated portion 1a1, the second actuated portion 1a2, and the working assembly 3a can follow the first rotating assembly 1a to rotate synchronously, so that the working assembly 3a can pair with the continuous rod passing through the center of the first rotating assembly 1a. Material aa is processed continuously.

According to one aspect of the embodiment of the present invention, the first transmission portion 2a1 and the second transmission portion 2a2 can rotate synchronously with the second rotation component 2a, so that the first driven portion 1a1 and the second driven portion 1a2 have no relative rotational displacement. And synchronous rotation, so as to realize the working assembly 3a fixed specifications processing continuous bar material aa.

According to one aspect of the embodiment of the present invention, the second transmission portion 2a2 can generate relative axial displacement or relative rotational displacement with respect to the first transmission portion 2a1, thereby driving the second driven portion 1a2 to generate a relative displacement relative to the first driven portion 1a1. Rotational displacement.

According to an aspect of the embodiment of the present invention, the first transmission portion 2a1 is provided with a first transmission gear 2a1a, The first driven part 1a1 is provided with a first driven gear 1a1a. The first transmission gear 2a1a is used in conjunction with the first driven gear 1a1a to realize that the second rotating assembly 2a drives the first rotating assembly 1a to rotate. A second transmission gear 2a2a is provided, and a second driven gear 1a2a is provided on the second driven portion 1a2. The second transmission gear 2a2a is used in conjunction with the second driven gear 1a2a to realize the second driven portion 1a2 relative to the first driven Rotational displacement of part 1a1.

According to one aspect of the embodiment of the present invention, the second rotating assembly 2a is further provided with a transmission shaft 2a3, and the second transmission gear 2a2a can slide on the transmission shaft 2a3 and rotate synchronously with the transmission shaft 2a3, and the second transmission The gear 2a2a and the second driven gear 1a2a are both external helical gears. The axial displacement caused by the sliding of the second transmission gear 2a2a on the transmission shaft 2a3 can make the second driven gear 1a2a produce corresponding angular displacement, thereby realizing the second receiving gear. The rotation displacement of the moving portion 1a2 relative to the first receiving portion 1a1.

According to one aspect of the embodiment of the present invention, the second rotating assembly 2a is further provided with a toggle device 2a4, the second transmission gear 2a2a is also provided with a toggle stop 2a2as, and the toggle device 2a4 is sheathed Toggle the stop 2a2as, the toggle device 2a4 can toggle the second transmission gear 2a2a to move in the axial direction of the transmission shaft 2a3.

According to one aspect of the embodiment of the present invention, the second driven gear 1a2a is further provided with an inner tooth portion 1a2ap, and the working assembly 3a is further provided with an outer tooth portion 3ap, and the inner tooth portion 1a2ap and the outer tooth portion 3ap cooperate with each other for transmission The rotation adjustment of the working assembly 3a can be realized.

According to an aspect of the second embodiment of the present invention, the second driven gear 1a2a is further provided with an internal threaded portion 1a2ax, and the working assembly 3a is further provided with an external threaded portion 3ax, the internal threaded portion 1a2ax and the external threaded portion 3ax Cooperating transmission can realize the sliding adjustment of the working assembly 3a.

According to an aspect of the third embodiment of the present invention, a slope 4a is further provided between the second driven gear 1a2a and the working component 3a, and the relative rotational displacement of the second driven gear 1a2a can drive the slope 4a to push the working component 3a Move to the continuous bar aa.

Description of the drawings

The features, advantages, and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Description of serial numbers: first rotating component 1a, first driven part 1a1, first driven gear 1a1a, rotating shaft 1a1b, supporting shaft 1a1c, supporting hole 1a1d, second driven part 1a2, second driven gear 1a2a, internal teeth Part 1a2ap, internal thread part 1a2ax, support sleeve 1a2b, second rotating assembly 2a, first transmission part 2a1, first transmission gear 2a1a, fixed key 2a1b, second transmission part 2a2, second transmission gear 2a2a, sliding key 2a2b, Spiral key 2a2c, toggle stop 2a2as, drive shaft 2a3, toggle device 2a4, working assembly 3a, external tooth portion 3ap, external thread portion 3ax, inclined surface 4a, continuous bar material aa, bracket 5.

Fig. 1 is a schematic diagram of the basic structure of the first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a right side view of the first embodiment of the present invention.

Fig. 3 is a schematic diagram of the rotating state of the working assembly 3a according to the first embodiment of the present invention.

Fig. 4 is a schematic diagram of sliding adjustment of the second transmission portion 2a2 according to the first embodiment of the present invention.

Fig. 5 is a schematic right side view of the sliding adjustment of the second transmission portion 2a2 according to the first embodiment of the present invention.

Fig. 6 is a schematic diagram of the revolving working state of the second transmission portion 2a2 after sliding adjustment in the first embodiment of the present invention.

Fig. 7 is a schematic diagram of the basic structure of the second embodiment of the present invention.

Fig. 8 is a schematic diagram of the basic structure of the third embodiment of the present invention.

Fig. 9 is a schematic diagram of the first adjustment mode of the fourth embodiment of the present invention.

Fig. 10 is a schematic diagram of the second adjustment mode of the fourth embodiment of the present invention.

In the drawings, the same components use the same reference numerals. The drawings are not drawn to actual scale.

The best mode of the present invention

The implementation of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The detailed description and drawings of the following embodiments are used to illustrate the principles of the present invention, but cannot be used to limit the scope of the present invention. That is, the present invention is not limited to the described preferred embodiments. The scope of the present invention is determined by the claims. limited.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise specified, "perpendicular" and "parallel" are not only absolute mathematical meanings, but can be understood as "substantially perpendicular" or "substantially parallel".

According to Figure 1, Figure 2 and Figure 3, the present invention provides a synchronous adjustment device, which can continuously process continuous bar material aa with multiple specifications. Its specific structure includes a first rotating assembly 1a and a second rotating assembly 2a. And working assembly 3a, wherein the first rotating assembly 1a is hollow and has a channel passing through the first rotating assembly 1a at the center of its rotation. The continuous bar aa can pass through the channel and continuously pass through, the working assembly 3a is installed on the first rotating assembly 1a, and the working assembly 3a can rotate synchronously with the first rotating assembly 1a to process the continuous bar material aa passing through the center channel thereof. The first rotating component 1a is further provided with a first receiving portion 1a1 and a second receiving portion 1a2, and the second rotating component 2a is further provided with a first transmission portion 2a1 and a second transmission portion 2a2, the first transmission portion 2a1 Cooperate with the first driven portion 1a1 to realize the second rotating component 2a to drive the first rotating component 1a to rotate, and the second transmission portion 2a2 cooperates with the second driven portion 1a2 to realize the second driven portion 1a2 relative to the first driven portion 1a1. Rotational displacement, thereby realizing the position adjustment of the working assembly 3a.

According to one aspect of the embodiment of the present invention, the specific structure of the present invention may be that the first rotating assembly 1a is in the shape of a large revolving disc, and the first actuated portion 1a1 and the second actuated portion 1a2 are both mounted on the large revolving disc, The second rotating assembly 2a is in the shape of a transmission shaft that can provide active torque, and is provided with a transmission shaft 2a3. The first transmission portion 2a1 and the second transmission portion 2a2 are both mounted on the transmission shaft 2a3. The first rotating assembly 1a and the second rotating assembly 2a are both mounted on the bracket 5 with a certain distance between each other. The rotating plate of the first rotating assembly 1a is also provided with a rotating shaft 1a1b, and the bracket 5 is also provided with a rotating shaft 1a1b. With the matching hole, the rotating shaft 1a1b is installed in the matching hole, so that the rotating large plate of the first rotating assembly 1a can rotate freely on the bracket 5. In addition, the bracket 5 is also provided with another transmission shaft hole that can cooperate with the transmission shaft 2a3, and the transmission shaft 2a3 can be installed on the transmission shaft hole to realize the free rotation of the second rotating assembly 2a on the bracket 5.

According to Figure 4, the first transmission portion 2a1 is also provided with a first transmission gear 2a1a and a fixed key 2a1b, and the second transmission portion 2a2 is also provided with a second transmission gear 2a2a, a sliding key 2a2b and a toggle stop 2a2as. The second rotating assembly 2a is also provided with a transmission shaft 2a3 and a toggle device 2a4. The first transmission gear 2a1a, the fixed key 2a1b, the second transmission gear 2a2a, and the sliding key 2a2b are all installed on the transmission shaft 2a3, and the fixed key 2a1b The first transmission gear 2a1a is fixedly installed on the transmission shaft 2a3 and can rotate synchronously with the transmission shaft 2a3, and the sliding key 2a2b can constrain the second transmission gear 2a2a on the transmission shaft 2a3, which can realize the second transmission gear 2a2a and the transmission shaft 2a3 While rotating synchronously, the second transmission gear 2a2a can slide along the transmission shaft 2a3. The toggle stop 2a2as is arranged at one end of the second transmission gear 2a2a, the toggle stop 2a2as is a groove type, the toggle device 2a4 is installed on the toggle stop 2a2as, and the toggle device 2a4 Under the action of, the second transmission gear 2a2a can slide along the transmission shaft 2a3 following the shifting device 2a4 under the left and right shifting of the shifting device 2a4.

According to one aspect of the embodiment of the present invention, the rotary plate of the first driven portion 1a1 is further provided with a first driven gear 1a1a, a support shaft 1a1c, and a supporting hole 1a1d, and the second driven portion 1a2 is also provided There is a second driven gear 1a2a, an internal tooth portion 1a2ap and a support sleeve 1a2b. The working assembly 3a is also provided with an external tooth portion 3ap and a long support shaft, the long support shaft is installed in the support hole 1a1d on the rotating plate, and with the cooperation of the support hole 1a1d, the working assembly 3a can rotate around the long support shaft . The supporting sleeve 1a2b is mounted on the supporting shaft 1a1c, and the supporting sleeve 1a2b can make a rotational movement on the supporting shaft 1a1c to realize the rotational angular displacement of the second driven portion 1a2 relative to the first driven portion 1a1. The external tooth portion 3ap in the working assembly 3a is provided at one end of the long support shaft, and the end of the working assembly 3a is also provided with a processing device for grinding the continuous bar material aa. The inner tooth portion 1a2ap is arranged on the inner ring of the second driven gear 1a2a and can be synchronized with the second driven gear 1a2a to make a rotational movement along the center of rotation of the support shaft 1a1c. The outer tooth portion 3ap can be combined with the inner tooth portion 1a2ap. When the second driven gear 1a2a rotates relative to the rotary plate of the first driven portion 1a1, the working assembly 3a can be driven along the long supporting axis by the gear transmission of the outer tooth portion 3ap and the inner tooth portion 1a2ap. The slewing center of s rotates relative to the rotating large plate, so as to realize the position change of the processing device relative to the continuous bar aa, and realize the adjustment of the processing specifications of the working assembly 3a.

According to Figures 4 and 5, the first transmission gear 2a1a and the first driven gear 1a1a can achieve mutual gear transmission, so that the second rotating component 2a drives the first rotating component 1a to rotate. The second transmission gear 2a2a and the second driven gear 1a2a can also achieve mutual gear transmission, so as to realize the rotational displacement of the second driven portion 1a2 relative to the first driven portion 1a1. The first transmission part 2a1 and the second transmission part 2a2 can follow the second rotating component 2a to rotate synchronously, so that the first receiving part 1a1 and the second receiving part 1a2 have no relative rotational displacement and rotate synchronously, thereby realizing the working component 3a Processing continuous bar material aa with fixed specifications.

According to one aspect of the embodiment of the present invention, the second transmission gear 2a2a and the second driven gear 1a2a are both external helical gears, and the axial displacement of the second transmission gear 2a2a sliding on the transmission shaft 2a3 can make the second transmission gear The movable gear 1a2a generates a corresponding angular displacement, thereby realizing the rotational displacement of the second driven portion 1a2 relative to the first driven portion 1a1.

Embodiments of the present invention

As shown in FIG. 7, according to one aspect of the second embodiment of the present invention, the technical feature that is different from the previous specific embodiment is that the first transmission portion 2a1 is also provided with a first transmission gear 2a1a and a fixed key 2a1b, the second transmission part 2a2 is also provided with a second transmission gear 2a2a and a fixed key 2a1b. The second rotating assembly 2a is also provided with a two-section transmission shaft 2a3. The first transmission gear 2a1a, the second transmission gear 2a2a and the two fixed keys 2a1b are respectively installed on the two-section transmission shaft 2a3. The two fixed keys 2a1b respectively fix the first transmission gear 2a1a and the second transmission gear 2a2a on the two transmission shafts 2a3 and can rotate synchronously with the two transmission shafts 2a3 respectively. The outer ends of the two transmission shafts 2a3 are respectively installed with their respective powers. The two power sources can respectively drive the first transmission gear 2a1a and the second transmission gear 2a2a to rotate independently. When the first transmission gear 2a1a and the second transmission gear 2a2a rotate synchronously, the first transmission part 2a1 and the second transmission gear 2a2a The part 2a2 rotates synchronously to realize that the first moving part 1a1 and the second moving part 1a2 have no relative rotational displacement and rotate synchronously, so that the working assembly 3a can process the continuous bar material aa according to the specified specifications. When the first transmission gear 2a1a and the second transmission gear 2a2a rotate asynchronously, that is, when the first transmission gear 2a1a and the second transmission gear 2a2a produce a rotation angle difference, the first driven portion 1a1 and the second driven portion 1a2 generate The relative rotational displacement realizes that the specification of the working assembly 3a is changed. When the specification of the working assembly 3a is changed, the first transmission gear 2a1a and the second transmission gear 2a2a rotate synchronously again to realize the continuous synchronization of the first transmission part 2a1 and the second transmission part 2a2 Rotate, so as to realize that the working assembly 3a continues to process the continuous bar aa under the new specification.

As shown in FIG. 8, according to one aspect of the third embodiment of the present invention, the technical feature that is different from the first specific embodiment is that the first transmission portion 2a1 is also provided with a first transmission gear 2a1a and a fixed The key 2a1b, the second transmission part 2a2 is also provided with a second transmission gear 2a2a, a spiral key 2a2c and a toggle stop 2a2as. The first transmission gear 2a1a and the second transmission gear 2a2a are straight teeth, and the second rotating assembly 2a is also provided with a transmission shaft 2a3 and a toggle device 2a4, the first transmission gear 2a1a, the fixed key 2a1b, the second The two transmission gears 2a2a and the spiral key 2a2c are both installed on the transmission shaft 2a3. The fixed key 2a1b fixes the first transmission gear 2a1a on the transmission shaft 2a3 and can rotate synchronously with the transmission shaft 2a3. The spiral key 2a2c can connect the second transmission gear. The 2a2a is constrained on the transmission shaft 2a3, so that the second transmission gear 2a2a can rotate synchronously with the transmission shaft 2a3, and at the same time, the second transmission gear 2a2a can slide along the transmission shaft 2a3. The toggle stop 2a2as is arranged at one end of the second transmission gear 2a2a, the toggle stop 2a2as is a groove type, the toggle device 2a4 is installed on the toggle stop 2a2as, and the toggle device 2a4 Under the action of, the second transmission gear 2a2a can slide along the transmission shaft 2a3 following the shifting device 2a4 under the left and right shifting of the shifting device 2a4. And because the spiral key 2a2c is in a spiral shape, the second transmission gear 2a2a will have an angular difference relative to the first transmission gear 2a1a when sliding along the transmission shaft 2a3, thereby realizing the first driven portion 1a1 and the second driven portion 1a2 A relative rotational displacement is generated, so that the specification of the working assembly 3a can be changed. When the specification of the working component 3a is changed, the first transmission gear 2a1a and the second transmission gear 2a2a rotate synchronously to realize the synchronous rotation of the first transmission part 2a1 and the second transmission part 2a2, so that the working component 3a can continue to be processed under the new specification Continuous bar stock aa.

Fig. 9 is a schematic diagram of the first adjustment mode of the third embodiment of the present invention.

Fig. 10 is a schematic diagram of the second adjustment mode of the third embodiment of the present invention.

As shown in Figures 9 and 10, according to one aspect of the third embodiment of the present invention, the technical feature that is different from the first specific embodiment is that the rotary plate of the first driven portion 1a1 is also provided with The first driven gear 1a1a, the supporting shaft 1a1c and the slide rail, the second driven part 1a2 is also provided with a second driven gear 1a2a, an inclined surface 4a and a supporting sleeve 1a2b. The working assembly 3a is also provided with a sliding block and an inclined guide block. The sliding block is installed on a sliding rail on the rotating plate. With the cooperation of the sliding rail and the sliding block, the working assembly 3a can be mounted on the rotating plate along the sliding rail. slide. The supporting sleeve 1a2b is mounted on the supporting shaft 1a1c, and the supporting sleeve 1a2b can make a rotational movement on the supporting shaft 1a1c to realize the rotational angular displacement of the second driven portion 1a2 relative to the first driven portion 1a1. The inclined surface guide block in the working assembly 3a is arranged on the outside of the sliding block to facilitate sliding engagement with the inclined surface 4a, and the end of the working assembly 3a is also provided with a processing device for grinding the continuous bar material aa. The inclined surface 4a is arranged on the inner ring of the second driven gear 1a2a and can rotate synchronously with the second driven gear 1a2a along the center of rotation of the support shaft 1a1c. The inclined surface guide block can cooperate with the inclined surface 4a for transmission. When the second driven gear 1a2a rotates relative to the rotary plate of the first driven part 1a1, the working assembly 3a can be driven by the inclined plane of the inclined guide block and the inclined surface 4a to move relative to the rotary plate along the sliding direction of the slide rail. The sliding motion realizes the position change of the processing device relative to the continuous bar material aa, and realizes the adjustment of the processing specifications of the working assembly 3a.

It should be understood that the description of the specific embodiments of the present invention in the specification is exemplary and should not be construed as an improper limitation of the protection scope of the present invention. The protection scope of the present invention is defined by the claims, and covers all embodiments and obvious equivalent variations that fall within the scope.

Claims

A synchronous adjustment device includes a first rotating component (1a) and a second rotating component (2a), wherein the first rotating component (1a) is also provided with a working component (3a), and the working component (3a) can be connected to the first rotating component (1a). The rotating assembly (1a) synchronously rotates to process the continuous bar material (aa) passing through its center. It is characterized in that the first rotating assembly (1a) includes a first actuated part (1a1) and a second actuated part (1a2) , The second rotating assembly (2a) is also provided with a first transmission portion (2a1) and a second transmission portion (2a2). The first transmission portion (2a1) cooperates with the first driven portion (1a1) to achieve the second The rotating component (2a) drives the first rotating component (1a) to rotate, and the second transmission portion (2a2) cooperates with the second driven portion (1a2) to realize the second driven portion (1a2) relative to the first driven portion (1a1) The rotation displacement of the working assembly (3a) can be adjusted.
The synchronization adjustment device according to claim 1, characterized in that the first receiving part (1a1), the second receiving part (1a2) and the working component (3a) can follow the first rotating component (1a) Synchronous rotation realizes the continuous processing of the continuous bar (aa) passing through the center of the working assembly (3a).
The synchronization adjustment device according to claim 2, characterized in that the first transmission part (2a1) and the second transmission part (2a2) can follow the second rotation assembly (2a) to rotate synchronously to realize the first movement The part (1a1) and the second receiving part (1a2) have no relative rotational displacement and rotate synchronously, so that the working assembly (3a) can process continuous bar material (aa) with fixed specifications.
The synchronization adjustment device according to claim 3, characterized in that the second transmission part (2a2) can produce relative axial displacement or relative rotational displacement with respect to the first transmission part (2a1) to drive the second receiving part (2a1). The part (1a2) generates a rotational displacement relative to the first receiving part (1a1).
A synchronization adjusting device according to claim 4, characterized in that a first transmission gear (2a1a) is provided on the first transmission part (2a1), and a first receiving part (1a1) is provided on the first receiving part (1a1). The movable gear (1a1a), the first transmission gear (2a1a) and the first driven gear (1a1a) are used together to realize the second rotation component (2a) drives the first rotation component (1a) to rotate, and the second transmission part (2a2) A second transmission gear (2a2a) is provided, and a second driven gear (1a2a) is provided on the second driven portion (1a2). The second transmission gear (2a2a) is used in conjunction with the second driven gear (1a2a) to achieve the first The rotation displacement of the second receiving part (1a2) relative to the first receiving part (1a1).
The synchronization adjustment device according to claim 5, characterized in that a transmission shaft (2a3) is further provided on the second rotating assembly (2a), and the second transmission gear (2a2a) can be mounted on the transmission shaft (2a3). ) Slide upward and rotate synchronously with the transmission shaft (2a3), and the second transmission gear (2a2a) and the second driven gear (1a2a) are both external helical gears, and the second transmission gear (2a2a) is on the transmission shaft (2a3) The axial displacement caused by the sliding can cause the second driven gear (1a2a) to produce corresponding angular displacement, thereby realizing the rotational displacement of the second driven part (1a2) relative to the first driven part (1a1).
The synchronization adjustment device according to claim 6, characterized in that a toggle device (2a4) is further provided on the second rotating assembly (2a), and a dial device (2a2a) is also provided on the second transmission gear (2a2a). The moving stop (2a2as), the toggle device (2a4) is sheathed on the toggle stop (2a2as), the toggle device (2a4) can toggle the second transmission gear (2a2a) to move axially on the transmission shaft (2a3) .
A synchronization adjustment device according to claim 7, characterized in that the second driven gear (1a2a) is further provided with an internal tooth portion (1a2ap), and the working assembly (3a) is also provided with an external tooth portion (3ap) , The inner tooth part (1a2ap) and the outer tooth part (3ap) cooperate with each other for transmission to realize the rotation adjustment of the working assembly (3a).
The synchronization adjustment device according to claim 7, characterized in that the second driven gear (1a2a) is further provided with an internal thread portion (1a2ax), and the working component (3a) is also provided with an external thread portion (3ax) , The internal threaded part (1a2ax) and the external threaded part (3ax) cooperate with each other for transmission to realize the sliding adjustment of the working assembly (3a).
A synchronization adjustment device according to claim 7, characterized in that a slope (4a) is further provided between the second driven gear (1a2a) and the working assembly (3a), and the second driven gear (1a2a) The relative rotational displacement of φ can drive the inclined surface (4a) to push the working assembly (3a) to the continuous bar (aa).