CN108331816B

CN108331816B - Assembling device

Info

Publication number: CN108331816B
Application number: CN201710045011.5A
Authority: CN
Inventors: 蔡维鑫
Original assignee: Fuzhun Precision Tooling Jiashan Co Ltd
Current assignee: Fuzhun Precision Tooling Jiashan Co Ltd
Priority date: 2017-01-20
Filing date: 2017-01-20
Publication date: 2020-01-24
Anticipated expiration: 2037-01-20
Also published as: CN108331816A

Abstract

The invention provides an assembling device, which is used for assembling a rotating shaft with adhesive on the surface and comprises a fixing plate, a positioning mechanism, a heating block, a pushing mechanism and an assembling mechanism, wherein the positioning mechanism and the heating block are arranged on the fixing plate, the positioning mechanism is used for positioning a workpiece on the fixing plate, and the heating block is arranged adjacent to the positioning mechanism to heat the adhesive on the surface of the rotating shaft. The pushing mechanism comprises a first driving piece and a rotating frame connected with the first driving piece, the first driving piece is arranged on the box body, and the rotating frame is rotatably arranged above the fixed plate. The assembling mechanism comprises a first clamping jaw, a second driving piece, a third driving piece, a second clamping jaw and a third clamping jaw, wherein the first clamping jaw, the second driving piece and the third driving piece are fixed on the rotating frame, the second clamping jaw and the third clamping jaw are arranged on the rotating frame in a sliding mode, the first driving piece pushes the rotating frame to move towards the direction of the heating block, the second driving piece drives the second clamping jaw to drive the rotating shaft to move towards the direction away from the fixed plate, and the third driving piece drives the third clamping jaw to drive the rotating shaft to move towards the direction close to the.

Description

Assembling device

Technical Field

The present disclosure relates to assembly apparatuses, and particularly to an assembly device for assembling a rotating shaft.

Background

At present, a plurality of electronic products need to be provided with a rotating shaft, and the rotating shaft is generally assembled on the electronic products by a manual tool. However, the rotating shaft of the electronic product such as the notebook computer needs to be formed by hot pressing and curing with the upper cover of the notebook computer, and the requirement for the installation accuracy of the rotating shaft is high, so the manual installation method is not suitable.

Disclosure of Invention

In view of the above, there is a need for an assembly device to solve the above problems.

The invention provides an assembling device, which is used for assembling a rotating shaft with adhesive on the surface to a workpiece, and comprises a box body, a fixing plate, a positioning mechanism, a heating block, a pushing mechanism and an assembling mechanism, wherein the fixing plate is obliquely arranged on the box body, the positioning mechanism and the heating block are arranged on the fixing plate, the positioning mechanism is used for positioning the workpiece on the fixing plate, the heating block is arranged close to the positioning mechanism to heat the adhesive on the surface of the rotating shaft, the pushing mechanism comprises a first driving piece and a rotating frame connected with the first driving piece, the first driving piece is arranged on the box body, the rotating frame is rotatably arranged above the fixing plate, the assembling mechanism comprises a first clamping jaw, a second driving piece and a third driving piece which are fixed on the rotating frame, and a second clamping jaw and a third clamping jaw which are slidably arranged on the rotating frame, the first driving piece pushes the rotating frame to move towards the direction of the heating block, the first clamping jaw pushes the rotating shaft towards the heating block, the second driving piece drives the second clamping jaw to drive the rotating shaft to move towards the direction far away from the fixing plate, the third driving piece drives the third clamping jaw to drive the rotating shaft to move towards the direction close to the fixing plate, and the rotating shaft is fixed in the workpiece under the pressure of the first clamping jaw, the second clamping jaw and the third clamping jaw.

The assembling device comprises a heating block, a pushing mechanism and an assembling mechanism, wherein a first driving piece of the pushing mechanism can push the rotating frame and the first clamping jaw to move towards the direction of the heating block, a second driving piece of the assembling mechanism can drive the second clamping jaw to move towards the direction far away from the fixed plate, and a third driving piece can drive the third clamping jaw to move towards the direction of the fixed plate so as to install the rotating shaft into the workpiece. Therefore, the assembling device can automatically install the rotating shaft into the workpiece for hot pressing, and the installation precision is high.

Drawings

FIG. 1 is a perspective view of an assembly device in accordance with one embodiment of the present invention.

Fig. 2 is a perspective view of the fixing plate and the positioning mechanism in the assembly device shown in fig. 1.

Fig. 3 is a perspective view of the fixing plate and the positioning mechanism of the assembly device shown in fig. 2 at another angle.

Fig. 4 is a perspective view schematically showing a pushing mechanism and a mounting mechanism in the assembly apparatus shown in fig. 1.

Fig. 5 is a perspective view of the pushing mechanism and the assembling mechanism shown in fig. 4 from another angle.

Fig. 6 is a partially exploded schematic view of the pushing mechanism and the assembling mechanism shown in fig. 5.

Fig. 7 is a side view of the pushing mechanism and the assembling mechanism shown in fig. 4.

Description of the main elements

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present invention provides an assembling apparatus 100 for assembling a rotating shaft 200 on a workpiece 300, in this embodiment, the workpiece 300 is provided with a semicircular mounting groove (not shown), and the rotating shaft 200 is circular and is assembled in the mounting groove of the workpiece.

The assembling device 100 includes a frame 10, a positioning mechanism 20, a heating block 30, a pushing mechanism 40, and an assembling mechanism 50. The positioning mechanism 20, the heating block 30 and the pushing mechanism 40 are respectively installed on the rack 10, and the positioning mechanism 20 is used for positioning the workpiece 300. The heating block 30 is adjacent to the positioning mechanism 20 to assist in positioning the workpiece 300, and at the same time, heats an adhesive (not shown) applied on the outer side wall of the rotating shaft 200, so that the rotating shaft 200 can be adhered to the workpiece 200. The assembling mechanism 50 is installed on the pushing mechanism 40, the pushing mechanism 40 is used for pushing the assembling mechanism 50 to a position to be assembled of the workpiece 300, and the assembling mechanism 50 is used for pressing the rotating shaft 200 onto the workpiece 300.

The rack 10 includes a box 11, a fixing plate 12, and a console 13. The fixing plate 12 is fixedly installed on the box 11 for installing the positioning mechanism 20 and the pushing mechanism 40. The console 13 is installed at one side of the box 11, so that an operator can control the positioning mechanism 20, the pushing mechanism 40 and the assembling mechanism 50 in real time through the console 13. The fixed plate 12 is disposed obliquely with respect to the bottom of the casing 11 and the console 13. In the present embodiment, the fixing plate 12 is substantially rectangular, and a receiving groove 121 is opened at a substantially central position thereof for receiving the workpiece 300.

Referring to fig. 2 and fig. 3, the positioning mechanism 20 includes a positioning component 21 and a plurality of pressing components 22, the positioning component 21 is disposed on a side of the fixing plate 12 away from the accommodating groove 121 for clamping and positioning the workpiece 300, and the pressing components 22 are disposed on a side of the fixing plate 12 having the accommodating groove 121 for pressing the workpiece 300 into the accommodating groove 121.

The positioning assembly 21 includes a positioning driving member 211, a telescopic base 212, two connecting members 213 and two pull rods 214. The positioning driving member 211 is fixedly disposed on the inner side surface of the fixing plate 12 and opposite to the receiving groove 121, so as to provide a power for the positioning assembly 21 to clamp and position the workpiece 300. In the present embodiment, the positioning actuator 211 is a cylinder, but is not limited thereto. The retractable seat 212 is slidably mounted on the fixing plate 12 and connected to the positioning driving member 211. The two connecting members 213 and the two pull rods 214 are respectively disposed on two opposite sides of the telescopic base 212. The two pull rods 214 are slidably mounted on the fixing plate 12. Each connecting member 213 has one end pivotally connected to the retractable base 212 and the other end pivotally connected to the corresponding pull rod 214. In the present embodiment, the sliding direction of each of the pull rods 214 is perpendicular to the sliding direction of the telescopic base 212, but is not limited thereto.

A first clamping block 2121 extends from one side of the telescopic base 212 away from the positioning driving element 211 and towards the edge of the fixing plate 12; a second clamping block 2141 is provided at an end of each tie rod 214 adjacent to the edge of the fixed plate 12. The first clamping block 2121 and the two second clamping blocks 2141 are clamped to the side walls of the workpiece 300 respectively to clamp and position the workpiece 300. The positioning driving member 211 drives the telescopic base 212 to move towards the positioning driving member 211, so that the first clamping block 2121 cooperates with the heating block 30 to clamp two opposite sides of the workpiece 300; meanwhile, the two tie bars 214 are respectively driven by the telescopic base 212 through the two connecting members 213 to move towards each other, and the second clamping blocks 2141 of the two tie bars 214 are clamped to the other two opposite sides of the workpiece 300, thereby clamping and positioning the workpiece 300.

Each pressing assembly 22 includes a pressing driving member 221 and a pressing head 222, the pressing driving member 221 is fixed on the inner side surface of the fixing plate 12, the pressing head 222 is connected to the pressing driving member 221 and disposed on the surface of the fixing plate 12 having the receiving groove 121, and the pressing driving member 221 drives the pressing head 222 to make the pressing head 222 press the workpiece 300 in the receiving groove 121. In the present embodiment, the pressing driving member 221 is a cylinder, and the pressing driving member 221 may be other driving source, such as a cylinder.

The heating block 30 is fixed on the fixing plate 12 and opposite to the first block 2121, and is located at a side of the receiving groove 121 away from the first block 2121, so as to cooperate with the first block 2121 to clamp and position the workpiece 300, and simultaneously heat the adhesive on the rotating shaft 200, so that the adhesive is melted and can be adhered to the workpiece 300. In practical applications, the assembling apparatus 100 further comprises a power source (not shown) and a heating wire (not shown), wherein the heating wire is connected between the power source and the heating block 30 to facilitate the heating process of the heating block 30.

Referring to fig. 4, the pushing mechanism 40 includes a first mounting plate 41, a first driving member 42, a cross bar 43, a rotating frame 44 and two connecting rod assemblies 45. The rotating frame 44 is rotatably disposed above the fixing plate 12, and the first driving member 42 is used for pushing the rotating frame 44 to move toward the heating block 30 (shown in fig. 2).

The first mounting plate 41 is fixed on the box 11 and located on a side of the box 11 away from the fixing plate 12. One end of the first driving member 42 is mounted on the first mounting plate 41, and the other end is connected to the middle of the cross bar 43. The two connecting rod assemblies 45 are respectively hinged with two ends of the cross rod 43 and two ends of the rotating frame 44, and the first driving part 42 pushes the cross rod 43, so that the cross rod 43 drives the two connecting rod assemblies 45 and the rotating frame 44 to rotate.

The rotating frame 44 includes a body 441 and two mounting portions 442 provided at both ends of the body 441, respectively, and the body 441 has a substantially bar-shaped plate shape. Each mounting portion 442 includes a first pivot portion 4421 and a second pivot portion 4422. The first pivot portion 4421 is disposed on the surface of the body 441 facing the fixing plate 12, and the second pivot portion 4422 is disposed on the surface of the body away from the fixing plate 12.

The two connecting rod assemblies 45 are respectively disposed on two sides of the rotating frame 44, each connecting rod assembly 45 includes a bracket 451, a fixing seat 452, a crank 453 and a connecting rod 454, the bracket 451 and the fixing seat 452 are respectively fixed on the fixing plate 12, and the bracket 451 is disposed adjacent to the heating block 30. The bracket 451 is hinged to the corresponding first pivot portion 4421. One side of each fixing base 452 away from the fixing plate 12 is provided with a mounting groove 4521 for mounting a corresponding crank 453.

Specifically, the crank 453 is substantially L-shaped, and includes a supporting portion 4531 and a pushing portion 4533, wherein one end of the supporting portion 4531 is hinged in the mounting groove 4521 of the fixing base 452, and the other end is connected to the pushing portion 4533. The end of the push-top portion 4533 close to the stand-up portion 4531 is hinged to the link 454, and the end far from the stand-up portion 4531 is hinged to the cross bar 43. Preferably, the included angle between the push top portion 4533 and the stand-up portion 4531 is an obtuse angle, but is not limited thereto.

The link 454 is also substantially L-shaped, and has two ends hinged to the pushing portion 4533 of the corresponding crank 453 and the corresponding second pivot portion 4422. An end of each link 454 remote from the corresponding crank 453 is bent toward the second pivot portion 4422.

The first driving member 42 pushes the cross bar 43 and rotates the crank 453 toward the receiving slot 121 relative to the fixing base 452, and at the same time, the rotating frame 44 is driven by the two connecting rods 454 to rotate toward the receiving slot 121, so that the assembling mechanism 50 mounted on the rotating frame 44 is aligned with the position to be assembled of the workpiece 300.

Referring to fig. 5 to 7, the assembling mechanism 50 includes a first assembling component 51, a second assembling component 52 and a third assembling component 53.

The first mounting assembly 51 includes a first clamping jaw 511 secured to the turret 44. The end of the first jaw 511 is bent and extended toward the heating block 30. When the first driving member 42 pushes the cross bar 43, the rotating frame 44 rotates toward the fixed plate 12, so that the first clamping jaw 511 provides a first pressure to the rotating shaft 200, and the rotating shaft 200 moves toward the heating block 30, thereby being mounted in a mounting groove (not shown) of the workpiece 300. In the present embodiment, the number of the first jaws 511 is three.

The second mounting assembly 52 includes a second mounting plate 521, a connecting plate 522, two connecting rods 523, a second driving member 524, and a second clamping jaw 525.

The second mounting plate 521 is fixedly connected to the rotating frame 44 through two connecting rods 523, and the second mounting plate 521 is located on a side of the rotating frame 44 away from the fixed plate 12. The connecting plate 522 is disposed between the second mounting plate 521 and the rotating frame 44, and the two connecting rods 523 are disposed through the connecting plate 522.

The second driving member 524 includes a driving portion 5241 and a movable shaft 5242, and the movable shaft 5242 is movably inserted into the driving portion 5241. The driving portion 5241 of the second driving member 524 is fixed to the second mounting plate 521, and the movable shaft 5242 is connected to the connection plate 522 to drive the connection plate 522 to move between the second mounting plate 521 and the rotating frame 44.

The second clamping jaw 525 is connected to the connecting plate 522 and slidably disposed on the rotating frame 44. The end of the second clamping jaw 525 is bent and extended towards the heating block 30. When the second driving member 524 drives the connecting plate 522 to move away from the fixed plate 12, the second clamping jaw 525 can move along with the connecting plate 522 and along the rotating frame 44 to provide a second pressure to the rotating shaft 200, so as to drive the rotating shaft 200 to move upward away from the fixed plate 12.

In the present embodiment, the first slide groove 445 is opened in the rotating frame 44, and the first slide groove 445 extends along the short side direction of the rotating frame 44. The second jaw 525 is slidably disposed in the first runner 445. In the present embodiment, the number of the second clamping jaws 525 is four, four second clamping jaws 525 are arranged on the rotating frame 44 at intervals, and three first clamping jaws 511 and four second clamping jaws 525 are arranged at intervals respectively.

In this embodiment, the second mounting assembly 52 further includes a jaw cover plate 526, and the jaw cover plate 526 covers the second jaw 525 to prevent the second jaw 525 from falling off the turret. It will be appreciated that the jaw cover 526 may be eliminated.

As shown in fig. 5 and 6, the third mounting assembly 53 includes a third mounting plate 531, a third driver 532, a jaw mounting plate 533, and a third jaw 534. The third mounting plate 531 is fixedly connected to an end of the second mounting plate 521 and extends toward the turret 44. The third driving member 532 is fixed to the third mounting plate 531, and the jaw mounting plate 533 is fixed to the rotating frame 44 and has a second sliding groove 5331. The third clamping jaw 534 is slidably disposed in the second sliding groove 5331 of the clamping jaw mounting plate 533, and the first clamping jaw 511, the second clamping jaw 525 and the third clamping jaw 534 are disposed in parallel. In this embodiment, the end of the third clamping jaw 534 is planar and is configured to abut against the top of the rotating shaft 200. The third driving member 532 is used for driving the third clamping jaw 534 to move relative to the rotating frame 44, so as to apply a third pressure on the rotating shaft 200, and push the rotating shaft 200 towards the fixing plate 12. The third pressure and the second pressure are balanced to eliminate a gap between the shaft 200 and the mounting groove of the workpiece 300.

In this embodiment, the third mounting assembly 53 further includes a jaw cover plate 535, and the jaw cover plate 35 covers the third jaw 534 and is fixed to the jaw mounting plate 533 to prevent the third jaw 534 from falling off the turret. It will be appreciated that the jaw cover 535 may be eliminated.

In the present embodiment, the number of the third fitting assemblies 53 is two, and the two third fitting assemblies 53 are provided at both ends of the rotating frame 44, respectively. The two jaw mounting plates 533 are respectively disposed above the two second jaws 525, and the third jaw 534 overlaps the second jaws 525.

In the present embodiment, the first driving element 42, the second driving element 524 and the third driving element 532 are all cylinders, but the invention is not limited thereto, and the first driving element 42, the second driving element 524 and the third driving element 532 may be other driving elements, such as oil cylinders.

In this embodiment, each of the first jaw 511, the second jaw 525, and the third jaw 534 includes a plurality of fingers, and the fingers of the second jaw 525 and the third jaw 534 are staggered.

When the rotary shaft assembly is used, firstly, the surface of the rotary shaft 200 is coated with the adhesive, and the rotary shaft 200 is pre-installed on the workpiece 300. Then, the workpiece 300 is placed in the receiving slot 121 of the fixing plate 12, the positioning assembly 21 clamps and positions the workpiece 300, and the pressing assemblies 22 cooperate to press the workpiece 300 into the receiving slot 121. The heating block 30 is used for heating the surface of the rotating shaft 200. The first driving member 42 pushes the cross bar 43 and the rotating frame 44 so that the first clamping jaw 511 pushes the rotating shaft 200 toward a direction perpendicular to the heating block 30. Then, the second driving element 524 drives the connecting plate 522 to move in a direction away from the fixing plate 12, and the second clamping jaw 525 lifts the rotating shaft 200, i.e. the second clamping jaw 525 moves the rotating shaft 200 in a direction away from the fixing plate 12, so as to tightly attach the rotating shaft 200 to the workpiece 300, thereby eliminating a gap between the rotating shaft 200 and the workpiece 300. Then, the third driving member 532 drives the third clamping jaw 534, and the third clamping jaw 534 pushes the rotating shaft 200 downwards, i.e. the third clamping jaw 534 pushes the rotating shaft 200 towards the fixing plate 12. The rotating shaft 200 is tightly attached to the workpiece under the pressure of the first clamping jaw 511, the second clamping jaw 525 and the third clamping jaw 534, and the adhesive on the surface of the rotating shaft 200 is sufficiently adhered to the workpiece 300, so that the rotating shaft 200 can be fixed in the workpiece.

The assembling device 100 includes a heating block 30, a pushing mechanism 40 and an assembling mechanism 50, wherein the first driving member 42 of the pushing mechanism 40 can push the rotating frame 44 and the first clamping jaw 511 to move toward the heating block 30, the second driving member 524 of the assembling mechanism 50 can drive the second clamping jaw 525 to move away from the fixed plate 12, and the third driving member 532 can drive the third clamping jaw 534 to move toward the fixed plate 12, so as to install the rotating shaft 200 into the workpiece 300. Therefore, the assembling device 100 can automatically mount the rotating shaft 200 to the workpiece 300 for hot pressing, and the mounting accuracy is high.

In addition, the first clamping jaw 511, the second clamping jaw 525 and the third clamping jaw 534 respectively contact different positions of the rotating shaft 200 and exert acting forces in different directions on the rotating shaft 200, so that the assembling mechanism can adapt to the rotating shaft 200 with a complex shape and improve the assembling precision of the rotating shaft 200.

It is understood that, in other embodiments, the number of the supporting frame 451, the fixing base 452, the crank 453, the connecting rod 454, the first pivoting portion 4421 and the second pivoting portion 4422 is not limited to two, and may be one or more than two.

It is to be understood that the positioning mechanism 20 is not limited to the manner in which the positioning assembly 21 cooperates with the pressing assembly 22 as shown in the present embodiment, and in other embodiments, other positioning mechanisms may be used to position the workpiece 300, so long as they facilitate accurate positioning of the workpiece 300.

It is understood that in other embodiments, the pressing assembly 22 is not limited to a plurality of pressing assemblies, and may be one pressing assembly.

It is understood that in other embodiments, the number of the third assembling members 53 is not limited to two, and may be one or more than two.

It is understood that in other embodiments, when the crank 453 is one, the cross bar 43 may be omitted, and the first driving member 42 is connected to the crank 453 such that the first driving member 42 directly pushes the crank 453 to rotate.

In addition, other modifications within the spirit of the invention will occur to those skilled in the art, and it is understood that such modifications are included within the scope of the invention as claimed.

Claims

1. An assembly device, its pivot that is used for having viscose on the surface assembles to the work piece, its characterized in that: the assembling device comprises a box body, a fixing plate, a positioning mechanism, a heating block, a pushing mechanism and an assembling mechanism, wherein the fixing plate is obliquely arranged on the box body, the positioning mechanism and the heating block are arranged on the fixing plate, the positioning mechanism is used for positioning the workpiece on the fixing plate, the heating block is arranged close to the positioning mechanism to heat the viscose on the surface of the rotating shaft, the pushing mechanism comprises a first driving piece and a rotating frame connected with the first driving piece, the first driving piece is arranged on the box body, the rotating frame is rotatably arranged above the fixing plate, the assembling mechanism comprises a first clamping jaw, a second driving piece and a third driving piece which are fixed on the rotating frame, and a second clamping jaw and a third clamping jaw which are slidably arranged on the rotating frame, the first clamping jaw and the second clamping jaw are arranged on the rotating frame at intervals, and the third clamping jaw is arranged above the second clamping jaw, the end parts of the first clamping jaw and the second clamping jaw are bent and extended towards the heating block, the end part of the third clamping jaw is a plane and is used for abutting against the top of the rotating shaft, the first driving piece pushes the rotating frame to move towards the heating block, so that the first clamping jaw pushes the rotating shaft towards the heating block, the second driving piece drives the second clamping jaw to drive the rotating shaft to move towards the direction far away from the fixing plate, the third driving piece drives the third clamping jaw to drive the rotating shaft to move towards the direction close to the fixing plate, and the rotating shaft is fixed in the workpiece under the pressure of the first clamping jaw, the second clamping jaw and the third clamping jaw.

2. The assembly device of claim 1, wherein: the pushing mechanism further comprises a cross rod and two connecting rod assemblies, the first driving piece is connected with the middle of the cross rod, the two connecting rod assemblies are hinged to two ends of the cross rod respectively and hinged to two ends of the rotating frame respectively, the first driving piece pushes the cross rod, and the cross rod drives the two connecting rod assemblies and the rotating frame to rotate.

3. The assembly device of claim 2, wherein: the rotating frame comprises a body and two mounting parts arranged at two ends of the body, each mounting part comprises a first pivoting part and a second pivoting part, and the first pivoting part and the second pivoting part are respectively arranged at two opposite sides of the body; each connecting rod component comprises a support, a fixed seat, a crank and a connecting rod, wherein the support and the fixed seat are respectively fixed on the fixed plate, the support is hinged with the corresponding first pivoting part, the crank comprises a supporting part and a pushing part, one end of the supporting part is hinged with the fixed seat, the other end of the supporting part is connected with the pushing part, one end of the pushing part, close to the supporting part, is hinged with the connecting rod, and the other end of the pushing part, far away from the supporting part, is hinged with the cross rod; the two ends of the connecting rod are respectively hinged with the corresponding pushing top part and the second pivoting part.

4. The assembly device of claim 3, wherein: the pushing mechanism further comprises a first mounting plate fixed on one side of the box body, one end of the first driving piece is installed on the first mounting plate, and the other end of the first driving piece is connected with the middle of the cross rod.

5. The assembly device of claim 4, wherein: this assembly devices still includes second mounting panel, connecting plate and two connecting rods, and this second mounting panel passes through these two connecting rod fixed connection with this rotating turret, and this connecting plate is located between this rotating turret and this second mounting panel, and this second driving piece includes drive division and loose axle, and this loose axle movably wears to locate in this drive division, and this drive division is fixed on this second mounting panel, and this loose axle is connected with this connecting plate to this connecting plate of drive motion.

6. The assembly device of claim 5, wherein: a first sliding groove is formed in the rotating frame, one end of the second clamping jaw is connected with the connecting plate, the other end of the second clamping jaw is arranged in the first sliding groove in a sliding mode, and the second clamping jaw moves along with the connecting plate under the driving of the second driving piece.

7. The assembly device of claim 6, wherein: the assembling mechanism further comprises a third mounting plate and a clamping jaw mounting plate, the third mounting plate is fixedly connected with the second mounting plate and extends towards the rotating frame, the third driving piece is arranged on the third mounting plate, the clamping jaw mounting plate is fixed on the rotating frame and provided with a second sliding groove, and the third clamping jaw is slidably arranged in the second sliding groove.

8. The assembly device of claim 1, wherein: the fixed plate is provided with an accommodating groove for accommodating a workpiece, the positioning mechanism comprises a positioning assembly, the positioning assembly comprises a positioning driving piece, a telescopic seat, two connecting pieces and two pull rods, the positioning driving piece is fixed on the inner side surface of the fixed plate and is opposite to the accommodating groove, the telescopic seat is slidably arranged on the fixed plate and is connected with the positioning driving piece, the two connecting pieces and the two pull rods are respectively and symmetrically arranged on two sides of the telescopic seat, the two pull rods are slidably arranged on the fixed plate, one end of each connecting piece is pivoted on the telescopic seat, the other end of each connecting piece is pivoted on the corresponding pull rod, and one side of the telescopic seat, which is far away from the positioning driving piece, extends out of a first clamping block towards the edge of the fixed plate; one end of each pull rod, which is close to the edge of the fixing plate, is provided with a second clamping block, and the first clamping block and the second clamping block are respectively clamped on the corresponding side wall of the workpiece to position the workpiece.

9. The assembly device of claim 8, wherein: the positioning mechanism further comprises a pressing assembly, the pressing assembly comprises a pressing driving piece and a pressing head, the pressing driving piece is fixed on the inner side face of the fixing plate, the pressing head is connected to the pressing driving piece and arranged on one face, provided with the accommodating groove, of the fixing plate, and the pressing driving piece drives the pressing head to enable the workpiece to be pressed in the accommodating groove.