Ball screw assembly device

Abstract

The present invention discloses an assembly device for a ball screw, comprising: a sleeve-in ball mechanism, a screw fixing mechanism, a nut rotating mechanism, a nut fixing mechanism, and a nut lifting mechanism. When the assembly device is used, the nut is first fixed by the nut fixing mechanism, and then the nut moves to the sleeve-in ball mechanism driven by the nut lifting mechanism and the nut rotating mechanism, and then the screw is installed at the bottom of the sleeve-in ball mechanism and the screw is fixed by the screw fixing mechanism. After the steel ball is installed on the nut, the nut moves to the screw driven by the nut lifting mechanism and the nut rotating mechanism. The present invention solves the problem that the steel ball in the nut is easy to fall out when the nut is installed on the screw in the prior art by arranging the sleeve-in ball mechanism at the upper end of the screw, and using the nut lifting mechanism and the nut rotating mechanism to drive the nut to move between the screw and the sleeve-in ball mechanism. Thus, the installation quality and installation efficiency of the ball screw are improved.

Description

Technical Field

[0001] The invention relates to the field of ball screw assembly, and in particular to an assembly device for a ball screw. Background Art

[0002] Ball screws are the most commonly used transmission elements in tool machinery and precision machinery. Their main function is to convert rotational motion into linear motion, or torque into axial repetitive force, while also having the characteristics of high precision, reversibility and high efficiency. Due to their low friction resistance, ball screws are widely used in various industrial equipment and precision instruments.

[0003] When the screw nut is clamped and inserted into the ball, the steel ball can move infinitely between the screw nut due to the installation of a reverser in the nut. However, this design increases the difficulty of automatic line assembly of the steel ball. When the existing ball screw assembly device is working, it is usually adopted to install the steel ball in the nut first, and then take out the nut and install it in the screw. However, when the nut is installed in the screw, the steel ball often falls out, which affects the installation quality and efficiency of the ball screw. Summary of the invention

[0004] The present invention solves the problem in the prior art that the steel balls in the nut are easy to fall out when the nut is installed on the screw by arranging the ball-inserting mechanism at the upper end of the screw and using the nut lifting mechanism and the nut rotating mechanism to drive the nut to move between the screw and the ball-inserting mechanism, thereby improving the installation quality and efficiency of the ball screw.

[0005] The technical solution adopted by the present invention to solve the above technical problems is: an assembly device for a ball screw, comprising:

[0006] A bead-inserting mechanism is provided with a guide groove for guiding the steel ball into the inner wall thread of the nut, and the bottom of the bead-inserting mechanism is fixedly connected to the lead screw;

[0007] The screw fixing mechanism includes a support plate for supporting the screw and a first clamping member for clamping the screw, the support plate is arranged at the bottom of the screw, and the first clamping member is arranged between the sleeve-in ball mechanism and the support plate;

[0008] The nut rotating mechanism includes a first rotating member and a nut rotating power system for driving the first rotating member to rotate. The first rotating member and the nut are fixed in position, and a first slot for the lead screw to enter and exit is provided on the first rotating member.

[0009] A nut fixing mechanism, the nut fixing mechanism is arranged between the nut and the first rotating member, one end of the nut fixing mechanism is fixedly connected to the first transmission member, and a clamping mechanism for fixing the position of the nut is arranged on the nut fixing mechanism;

[0010] The nut lifting mechanism includes a first lifting member, a nut lifting power system for driving the first lifting member to lift, a first rotating member is arranged on the first lifting member, and the first rotating member can be lifted and lowered together with the first lifting member;

[0011] When using the assembly device, first fix the nut with the nut fixing mechanism, then, driven by the nut lifting mechanism and the nut rotating mechanism, the nut moves to the ball-fitting mechanism, and then the screw is installed at the bottom of the ball-fitting mechanism and fixed with the screw fixing mechanism. After the steel ball is installed on the nut, it moves to the screw driven by the nut lifting mechanism and the nut rotating mechanism.

[0012] Furthermore, the nut rotating power system includes a second rotating member, a first transmission member, a second transmission member, and a nut rotating motor. The second transmission member is rotationally connected with the first transmission member, the first transmission member and the rotating shaft of the second rotating member are fixedly connected, the second transmission member is fixedly connected with the output shaft of the nut rotating motor, and the first transmission member and the second transmission member are rotationally connected with each other.

[0013] Furthermore, at least two second rotating members are arranged around the first rotating member.

[0014] Furthermore, the clamping mechanism includes a nut clamp and a protective member, the protective member is sleeved on the outside of the nut clamp and fixedly connected to the nut clamp, and clamping arms for cooperating with the nut clamp to fix the nut are also provided on the left and right sides of the opening of the protective member.

[0015] Furthermore, the clamping arm and the protective member are connected by a first connecting member, which passes through one end of the clamping arm and is fixedly connected to the protective member. The clamping arm can slide along the first connecting member. An elastic fixing member is also provided between the first connecting member and the clamping arm, one end of the elastic fixing member is fixedly connected to the end of the first connecting member, and the other end of the elastic fixing member is fixedly connected to the clamping arm.

[0016] Furthermore, the nut lifting power system includes: a first fixed part, a lifting transmission part, a second connecting part, and a nut lifting motor. The first fixed part is provided with an opening for the second connecting part to pass through. The second connecting part is fixedly connected to the first lifting part. One end of the first lifting part is slidingly connected to the first fixed part. The lifting transmission part is fixedly connected to the output shaft of the nut lifting motor, and the lifting transmission part is rotatably connected to the second connecting part.

[0017] Furthermore, a lifting guide block is provided on the first fixing member, and a lifting guide groove is provided on the first lifting member, and the lifting guide block and the lifting guide groove are slidably connected with each other.

[0018] Furthermore, a transmission fixing block is fixedly arranged on the first fixing member, and the lifting transmission member passes through the transmission fixing block.

[0019] Furthermore, a movable plate is also provided on the first fixing member, the first fixing member and the movable plate are slidably connected through a moving guide rail and a lead screw moving block, and the support plate is fixedly connected to the movable plate.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] (1) The ball-fitting mechanism is arranged at the upper end of the lead screw, and the nut lifting mechanism and the nut rotating mechanism are used to drive the nut to move between the lead screw and the ball-fitting mechanism, so that the nut with the steel ball installed can be smoothly connected to the lead screw;

[0022] (2) The nut is fixedly connected to the nut rotating mechanism through a nut fixing mechanism, so that the nut can be rotated up or down on the lead screw driven by the nut rotating mechanism;

[0023] (3) The position of the screw is fixed by the screw fixing mechanism to prevent the screw from being disconnected from the ball-inserting mechanism; on the other hand, the design of the moving guide rail and the screw moving block enables the position of the support plate to be moved up and down, thereby enabling the screw fixing mechanism to fix screws of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic structural diagram of a mounting device for assembling a ball screw provided by the present invention;

[0025] Figure 2 for Figure 1 A partial enlarged view of the middle A area;

[0026] Figure 3 A schematic structural diagram of the nut rotating mechanism provided by the present invention;

[0027] Figure 4 A schematic structural diagram of another perspective of a mounting device for assembling a ball screw provided by the present invention;

[0028] Figure 5 for Figure 4 A partial enlarged view of the middle B area;

[0029] Figure 6 A schematic diagram of the structure of the nut lifting mechanism provided by the present invention;

[0030] Figure 7 A schematic diagram of the structure of the sleeve-joined bead-entering mechanism provided by the present invention;

[0031] Description of reference numerals:

[0032] 110-sleeve bead insertion mechanism; 111-guide groove; 112-bead outlet; 120-screw fixing mechanism; 121-support plate; 122-first clamping member; 123-moving guide rail; 124-screw moving block; 125-screw upper cylinder; 126-infrared sensor; 127-movable plate; 130-screw nut rotating mechanism; 131-first rotating member; 132-second rotating member; 133-first transmission member; 134-second transmission member; 135-screw nut rotating motor; 136-screw nut rotating mechanism; 137-screw nut rotating mechanism; 138-screw nut rotating mechanism; 139-screw nut rotating mechanism; 140-screw nut rotating mechanism; 141-first rotating member; 142-second rotating member; 143-first transmission member; 144-second transmission member; 145-screw nut rotating motor; 146-screw nut rotating mechanism; 147-screw nut rotating mechanism; 148-screw nut rotating mechanism; 149-screw nut rotating mechanism; 150-screw nut rotating mechanism; 151-screw nut rotating mechanism; 152-screw nut rotating mechanism; 153-screw nut rotating mechanism; 154-screw nut rotating mechanism; 155-screw nut rotating mechanism; 156-screw nut rotating mechanism; 157-screw nut rotating mechanism; 158-screw nut rotating mechanism; 159-screw nut rotating mechanism; 160-screw nut rotating mechanism; 161-screw nut rotating mechanism; 162-screw nut rotating mechanism; 163 6-first notch; 140-nut fixing mechanism; 141-nut clamping member; 142-clamping arm; 143-first connecting member; 144-elastic fixing member; 145-protective member; 150-nut lifting mechanism; 151-first lifting member; 152-first fixing member; 153-lifting transmission member; 154-second connecting member; 155-nut lifting motor; 156-lifting guide block; 157-lifting guide groove; 158-transmission fixing block; 210-nut; 220-screw. DETAILED DESCRIPTION

[0033] The present invention is further described in detail below with reference to the accompanying drawings.

[0034] like Figure 1-7As shown, an assembly device for a ball screw includes: a sleeve ball insertion mechanism 110, a screw fixing mechanism 120, a nut rotating mechanism 130, a nut fixing mechanism 140, and a nut lifting mechanism 150. The upper end of the sleeve ball insertion mechanism 110 is fixedly connected to a top plate located at the top of the assembly device, and a small hole for steel balls to enter the sleeve ball insertion mechanism 110 is provided on the top plate. A guide groove 111 for guiding the steel balls to enter the thread groove of the nut 210 is provided inside the sleeve ball insertion mechanism 110. A ball outlet 112 connected to the guide groove 111 is provided on the outer wall of the sleeve ball insertion mechanism 110. The sleeve ball insertion mechanism 110 is cylindrical, and the outer wall diameter of the sleeve ball insertion mechanism 110 is smaller than the inner wall diameter of the nut 210. The nut 210 can be sleeved on the outer side of the sleeve ball insertion mechanism 110 and move up and down along the sleeve ball insertion mechanism 110 driven by the nut lifting mechanism 150. The bottom of the sleeve beading mechanism 110 is provided with a protruding block, which can be engaged with the notch at the end of the lead screw 220. The bottom of the lead screw 220 is provided with a support plate 121, which provides an upward support force to the lead screw 220, and fixes the position of the lead screw 220 under the cooperation of the support plate 121 and the sleeve beading mechanism 110. A first clamping member 122 is provided between the sleeve beading mechanism 110 and the support plate 121. The first clamping member 122 is used to clamp the lead screw 220, which plays a role in further reinforcing the lead screw 220. The first clamping member 122 is a clamping claw cylinder. Multiple first clamping members 122 can also be provided between the sleeve beading mechanism 110 and the support plate 121 to reinforce the lead screw 220 in multiple sections. The support plate 121 can also be fixedly connected with the first clamping member 122 to fix the bottom of the lead screw 220. In order to improve the clamping accuracy of the first clamping member 122 , an infrared sensor 126 for detecting whether the lead screw is installed may be installed on the first clamping member 122 .

[0035] In order to drive the nut 210 to rotate, the nut 210 is connected to the nut fixing mechanism 140 and the nut rotating mechanism 130. The nut fixing mechanism 140 includes a clamping mechanism, a clamping arm 142, a first connecting member 143, and an elastic fixing member 144. The clamping mechanism includes a semicircular nut clamping member 141 and a protective member 145 surrounding the nut 210. The nut clamping member 141 is fixedly connected inside the protective member 145. The nut clamping member 141 can clamp the nut 210 from the side. The setting of the protective member 145 can prevent the nut 210 from escaping from the nut clamping member 141 and injuring people. Two clamping arms 142 arranged opposite to each other are respectively arranged at opposite ends of the opening of the protective member 145. The clamping arms 142 are arranged opposite to each other. It is L-shaped, and a pulley rotatably connected to the clamping arm 142 is provided at the end of one side of the clamping arm 142. The first connecting member 143 passes through the other side of the clamping arm 142 and is fixedly connected to the protective member 145. The first connecting member 143 is a bolt, and the clamping arm 142 can move along the first connecting member 143. An elastic fixing member 144 is also provided on the side of the first connecting member 143 away from the clamping mechanism. One end of the elastic fixing member 144 is fixedly connected to the end of the first connecting member 143, and the other end of the elastic fixing member 144 is fixedly connected to the clamping arm 142. The elastic fixing member 144 is a spring. When installing the nut 210 in the clamping mechanism, first move the two clamping arms 142 along the first connecting member 143 in a direction away from the opening, the elastic fixing member 144 is compressed, and then the nut 210 is clamped into the nut clamping member 141, and then the compression force of the elastic fixing member 144 is released, so that the clamping arm 142 moves toward the direction of the opening under the push of the elastic fixing member 144, and the pulley on the clamping arm 142 can protect the nut 210 from being scratched by the end of the clamping arm 142.

[0036] A nut rotating mechanism 130 is provided at the lower end of the nut fixing mechanism 140, and the nut rotating mechanism 130 includes a first rotating member 131 and a nut rotating power system for driving the first rotating member 131 to rotate, the first rotating member 131 is disc-shaped, and a first slot 136 for the lead screw 220 to enter and exit is provided on the first rotating member 131, the first rotating member 131 is fixedly connected to the protective member 145, and the nut rotating power system includes a second rotating member 132, a first transmission member 133, a second transmission member 134, a thread The side walls of the nut rotating motor 135 and the second rotating member 132 are in contact with the side walls of the first rotating member 131. The first transmission member 133 and the second transmission member 134 are gears. The first transmission member 133 is fixedly connected to the rotating shaft of the second rotating member 132. The first transmission member 133 rotates coaxially with the second rotating member 132. The second transmission member 134 is fixedly connected to the output shaft of the nut rotating motor 135. The second transmission member 134 rotates coaxially with the output shaft. The first transmission member 133 is meshed with the second transmission member 134. When the nut fixing mechanism 140 is working, the nut rotating motor 135 drives the second transmission member 134 to rotate, the second transmission member 134 drives the first transmission member 133 to rotate, the first transmission member 133 drives the second rotating member 132 to rotate, the second rotating member 132 drives the first rotating member 131 to rotate, and the first rotating member 131 drives the protective member 145 to rotate, thereby driving the nut 210 to rotate coaxially with the first rotating member 131. In order to strengthen the friction between the second rotating member 132 and the first rotating member 131, a circle of protrusions is set on the side of the first rotating member 131, and a circle of grooves is set on the side of the second rotating member 132, and the protrusions and the grooves are matched and connected with each other. In order to further strengthen the friction between the second rotating member 132 and the first rotating member 131, the second rotating member 132 and the first rotating member 131 can be set as gears, and the second rotating member 132 and the first rotating member 131 are meshed. In order to fix the rotation range of the first rotating member 131, at least three second rotating members 132 are set around the first rotating member 131, and at least one of the second rotating members 132 is connected to the second rotating member 132.

[0037] In order to drive the nut 210 to move between the screw 220 and the bead-inserting mechanism 110, the nut rotating mechanism 130 is connected to the nut lifting mechanism 150. The nut lifting mechanism 150 includes a first lifting member 151 and a nut lifting power system for driving the first lifting member 151 to lift and lower. The first lifting member 151 is L-shaped. One side of the first lifting member 151 is a flat plate supporting the nut rotating mechanism 130 and the nut fixing mechanism 140. The nut rotating motor 135 is fixed on the flat plate of the first lifting member 151. The other side of the first lifting member 151 is a connecting plate connected to the nut lifting power system. The first rotating member 131 is slidably connected to the flat plate of the first lifting member 151. The first rotating member 131 rises and falls with the flat plate. An opening for the screw 220 to enter and exit is also provided on the flat plate of the first lifting member 151. The opening on the flat plate is aligned with the first slot 136 on the first rotating member 131. The nut lifting power system includes a first fixing member 152, a lifting transmission member 153, a second connecting member 154, and a nut lifting motor 155. The first fixing member 152 is a long plate, and the first fixing member 152 is fixedly connected to the top plate on the top of the assembly device. A rectangular opening for the second connecting member 154 to pass through is provided in the middle of the upper end of the first fixing member 152. The first lifting member 151 and the lifting transmission member 153 are respectively located on both sides of the first fixing member 152. One end of the second connecting member 154 is fixedly connected to the first lifting member 151, and the other end of the second connecting member 154 is threadedly connected to the lifting transmission member 153. The lifting transmission member 153 is a member with a thread on the surface. The first fixing member 152 is a long rod with a thread pattern, one end of the lifting transmission member 153 is fixedly connected to the output shaft of the screw nut lifting motor 155, and the lifting transmission member 153 can rotate coaxially with the output shaft of the screw nut lifting motor 155. Two transmission fixing blocks 158 are fixedly arranged on the first fixing member 152, and the lifting transmission member 153 is rotatably connected with the transmission fixing block 158. In order to facilitate the lifting movement of the first lifting member 151, two mutually parallel lifting guide blocks 156 are arranged on the first fixing member 152, and two mutually parallel lifting guide grooves 157 are arranged on the connecting plate of the first lifting member 151. The lifting guide blocks 156 and the lifting guide grooves 157 are slidably connected. When the screw nut lifting mechanism 150 is working, the screw nut lifting motor 155 drives the lifting transmission member 153 to rotate, and the second connecting member 154 rises or falls under the drive of the thread on the lifting transmission member 153, and the first lifting member 151 is driven by the second connecting member 154 to perform lifting movement, thereby driving the screw nut 210 on the first lifting member 151 to perform lifting movement.

[0038] In order to protect the first transmission member 133 and the second transmission member 134 in the nut rotating mechanism 130, as shown in FIG. Figure 3As shown, the first transmission member 133 and the second transmission member 134 can be arranged inside the first lifting member 151, the second rotating member 132 is arranged on the upper surface of the first lifting member 151 and is rotatably connected to the first lifting member 151, and the nut rotating motor 135 is arranged on the lower surface of the first lifting member 151 and is fixedly connected to the first lifting member 151.

[0039] In order to fix the screws 220 of different lengths, a movable plate 127 is arranged on the first fixing member 152, and the movable plate 127 and the first fixing member 152 are slidably connected through the motion guide rail 123 and the screw motion block 124. A screw top cylinder 125 is also arranged on the first fixing member 152, and the piston cavity of the screw top cylinder 125 is fixedly connected to the first fixing member 152, and the movable rod of the screw top cylinder 125 is fixedly connected to the movable plate 127. When the screw top cylinder 125 is working, the movable rod of the screw top cylinder 125 drives the movable plate 127 to perform lifting motion along the motion guide rail 123, thereby driving the support plate 121 to perform lifting motion, thereby realizing the fixation of the screws 220 of different lengths.

[0040] When using the assembly device, the nut 210 is first fixed on the nut fixing mechanism 140, and then, driven by the nut lifting mechanism 150 and the nut rotating mechanism 130, the nut 210 rotates and moves upward to the sleeve-in ball-entering mechanism 110 and sleeved on the outside of the sleeve-in ball-entering mechanism 110, and then the screw 220 is installed at the bottom of the sleeve-in ball-entering mechanism 110, and the position of the screw 220 is fixed by the screw fixing mechanism 120. After that, a plurality of steel balls are put into the upper end opening of the sleeve-in ball-entering mechanism 110, and the steel balls move along the guide groove 111 to the ball outlet 112, and the ball outlet 112 is aligned with the thread of the inner wall of the nut 210. The steel balls roll out from the ball outlet 112 and enter the thread of the inner wall of the nut 210. At the same time, the nut rotating mechanism 130 drives the nut 210 to rotate, so that a set number of steel balls enter the thread of the inner wall of the nut 210 in sequence, thereby realizing the installation of the steel balls on the nut 210. After the steel balls on the nut 210 are installed, driven by the nut lifting mechanism 150 and the nut rotating mechanism 130, the nut 210 moves downward while rotating from the ball-fitting mechanism 110 to the lead screw 220, thereby realizing a one-time assembly of the ball screw.

[0041] The protection scope of the present invention includes but is not limited to the above embodiments. The protection scope of the present invention shall be based on the claims. Any replacement, deformation, and improvement of the technology that can be easily thought of by technicians in this field shall fall within the protection scope of the present invention.

Claims

1. A ball screw assembly device, characterized in that: include: A sleeve-in ball-entering mechanism (110), wherein the sleeve-in ball-entering mechanism (110) is provided with a guide groove (111) for guiding the steel ball into the inner wall thread of the nut (210), and the bottom of the sleeve-in ball-entering mechanism (110) is fixedly connected to the lead screw (220); A lead screw fixing mechanism (120), the lead screw fixing mechanism (120) comprising a support plate (121) for supporting the lead screw (220), and a first clamping member (122) for clamping the lead screw (220), the support plate (121) being arranged at the bottom of the lead screw (220), and the first clamping member (122) being arranged between the sleeve-in ball mechanism (110) and the support plate (121); A nut rotating mechanism (130), the nut rotating mechanism (130) comprising a first rotating member (131) and a nut rotating power system for driving the first rotating member (131) to rotate, the first rotating member (131) and the nut (210) being fixed in position, and a first notch (136) for the lead screw (220) to enter and exit is provided on the first rotating member (131); a nut fixing mechanism (140), the nut fixing mechanism (140) being arranged between the nut (210) and the first rotating member (131), one end of the nut fixing mechanism (140) being fixedly connected to the first rotating member (131), and the nut fixing mechanism (140) being provided with a clamping mechanism for fixing the position of the nut (210); A nut lifting mechanism (150), the nut lifting mechanism (150) comprising a first lifting member (151), a nut lifting power system for driving the first lifting member (151) to lift, the first rotating member (131) being arranged on the first lifting member (151), and the first rotating member (131) being able to lift and lower together with the first lifting member (151); When using the assembly device, the nut (210) is first fixed by the nut fixing mechanism (140), and then, driven by the nut lifting mechanism (150) and the nut rotating mechanism (130), the nut (210) moves to the fitting bead insertion mechanism (110), and then the lead screw (220) is installed at the bottom of the fitting bead insertion mechanism (110) and the lead screw fixing mechanism (120) is used to fix the lead screw (220). After the steel ball is installed, the nut (210) moves to the lead screw (220) driven by the nut lifting mechanism (150) and the nut rotating mechanism (130).

2. The assembly device according to claim 1, characterized in that The nut rotating power system comprises a second rotating member (132), a first transmission member (133), a second transmission member (134), and a nut rotating motor (135); the second transmission member (132) is rotationally connected with the first transmission member (131); the first transmission member (133) is fixedly connected with the rotating shaft of the second rotating member (132); the second transmission member (134) is fixedly connected with the output shaft of the nut rotating motor (135); and the first transmission member (133) and the second transmission member (134) are rotationally connected with each other.

3. The assembly device according to claim 2, characterized in that At least two second rotating members (132) are arranged around the first rotating member (131).

4. The assembly device according to claim 1, characterized in that: The clamping mechanism comprises a nut clamp (141) and a protective member (145); the protective member (145) is sleeved on the outside of the nut clamp (141) and fixedly connected to the nut clamp (141); and clamping arms (142) for cooperating with the nut clamp (141) to fix the nut (210) are provided on the left and right sides of the opening of the protective member (145).

5. The assembly device according to claim 4, characterized in that The clamping arm (142) and the protective member (145) are connected via a first connecting member (143). The first connecting member (143) passes through one end of the clamping arm (142) and is fixedly connected to the protective member (145). The clamping arm (142) can slide along the first connecting member (143). An elastic fixing member (144) is also provided between the first connecting member (143) and the clamping arm (142). One end of the elastic fixing member (144) is fixedly connected to the end of the first connecting member (143), and the other end of the elastic fixing member (144) is fixedly connected to the clamping arm (142).

6. The assembly device according to claim 1, characterized in that The nut lifting power system comprises: a first fixing member (152), a lifting transmission member (153), a second connecting member (154), and a nut lifting motor (155); the first fixing member (152) is provided with an opening for the second connecting member (154) to pass through; the second connecting member (154) is fixedly connected to the first lifting member (151); one end of the first lifting member (151) is slidably connected to the first fixing member (152); the lifting transmission member (153) is fixedly connected to the output shaft of the nut lifting motor (155); and the lifting transmission member (153) is rotationally connected to the second connecting member (154).

7. The assembly device according to claim 6, characterized in that The first fixing member (152) is provided with a lifting guide block (156), the first lifting member (151) is provided with a lifting guide groove (157), and the lifting guide block (156) and the lifting guide groove (157) are slidably connected with each other.

8. The assembly device according to claim 6, characterized in that: A transmission fixing block (158) is fixedly arranged on the first fixing member (152), and the lifting transmission member (153) passes through the transmission fixing block (158).

9. The assembly device according to claim 6, characterized in that: A movable plate (127) is also provided on the first fixing member (152); the first fixing member (152) and the movable plate (127) are slidably connected via a moving guide rail (123) and a lead screw moving block (124); and the support plate (121) is fixedly connected to the movable plate (127).

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