CN220534050U - Assembling device - Google Patents

Abstract

An assembly device for assembling a part on a product, the product having a first aperture, the part being provided with a second aperture, comprising a base, the assembly device further comprising: the pushing assembly comprises a first pushing piece and a second pushing piece which are both arranged on the base; the floating positioning assembly comprises a floating sleeve, at least two first positioning pieces and a second positioning piece, wherein the floating sleeve is in butt joint with one end of the first pushing piece, a sleeve hole is formed in the floating sleeve, the first positioning pieces are movably arranged in the sleeve hole, one end of each first positioning piece protrudes out of the floating sleeve, the second positioning piece is arranged between the at least two first positioning pieces and is coaxially arranged with the at least two first positioning pieces, one end of the second positioning piece abuts against the second pushing piece, the other end of the second positioning piece protrudes out of the space between the at least two first positioning pieces, and the position between the two ends of the second positioning piece abuts against the at least two first positioning pieces. The assembly device can ensure that the first hole and the second hole are coaxial when the part and the product are assembled, and the assembly precision of the part and the product is higher.

Description

Assembling device

Technical Field

The application relates to the technical field of product assembly mechanisms, in particular to an assembly device.

Background

In the electronic product industry, parts are required to be assembled on products due to assembly requirements, and for products with a first hole and parts with a second hole, the first hole and the second hole are required to be coaxial after assembly. The assembly is usually performed manually at present. However, because the aperture of the first hole is larger, the assembly mode is difficult to ensure that the first hole and the second hole are coaxial after assembly, and the assembly precision of parts and products is lower.

Disclosure of Invention

In view of the above, it is necessary to provide an assembling device to solve the technical problem of low assembling precision of the existing parts and products.

The embodiment of the application provides an assembly device for assemble the part on the product, the product has first hole, the part corresponds the position in first hole is equipped with the second hole, including being used for bearing the base of product, assembly device still includes: the pushing assembly comprises a first pushing piece and a second pushing piece, and the first pushing piece and the second pushing piece are arranged on the base and can slide relative to the base; the floating positioning assembly is arranged on the base and comprises a floating sleeve, at least two first positioning pieces and a second positioning piece, wherein the floating sleeve is abutted with one end of the first pushing piece, a sleeve hole is formed in the floating sleeve, the at least two first positioning pieces are movably arranged in the sleeve hole and can be close to or far away from each other, one end of each first positioning piece protrudes out of the floating sleeve to extend into the first hole, the second positioning piece is arranged between the at least two first positioning pieces and is coaxially arranged with the at least two first positioning pieces, one end of the second positioning piece abuts against the second pushing piece, the other end of the second positioning piece protrudes out of the at least two first positioning pieces to extend into the second hole, and the position between the two ends of the second positioning piece abuts against the at least two first positioning pieces to abut against and push the at least two first positioning pieces to be close to or far away from each other when lifting; the first pushing piece can push the floating sleeve to drive the first locating piece to move upwards so that the first locating piece stretches into the first hole, the second pushing piece can push the second locating piece to move upwards so that the second locating piece pushes at least two first locating pieces to be away from each other and to prop against the hole wall of the first hole so as to locate the product, and after the product is located, the second locating piece stretches into the second hole so that the first hole and the second hole are coaxial and the part is assembled on the product.

The assembling device comprises a first supporting and pushing piece, a first locating piece, a second locating piece, a first hole, a second hole, a first locating piece, a second locating piece, a first hole and a second hole.

In some embodiments, the floating positioning assembly further comprises: the first transverse rod piece is characterized in that one end of the first transverse rod piece is abutted against the second positioning piece, the other end of the first transverse rod piece is penetrated through the corresponding first positioning piece and the floating sleeve, and the extending direction of the first transverse rod piece is perpendicular to the moving direction of the second positioning piece; the first elastic piece is sleeved on the first transverse rod piece, one end of the first elastic piece is abutted against the hole wall of the sleeved hole, and the other end of the first elastic piece is abutted against the corresponding first positioning piece, so that the first positioning piece elastically moves along the extending direction of the first transverse rod piece.

In some embodiments, the floating collar is provided with a groove in communication with the collar bore, and the floating positioning assembly further comprises:

the second transverse rod piece is movably arranged in the groove and penetrates through the second positioning piece, and the extending direction of the second transverse rod piece is perpendicular to the moving direction of the second positioning piece;

one end of the second elastic piece is abutted against the second transverse rod piece, and the other end of the second elastic piece is respectively abutted against the bottom of the groove so that the second positioning piece moves elastically.

In some embodiments, a first protruding portion and a second protruding portion are connected between two ends of the second positioning piece, the first protruding portion is arranged above the second protruding portion, the size of the first protruding portion is smaller than that of the second protruding portion, pushing inclined planes are arranged at positions, close to the first protruding portion, of the second protruding portion, at least two first positioning pieces are arranged on the periphery of the first positioning pieces in a surrounding mode and are matched with the shapes of the first positioning pieces in an adapting mode, and when the first positioning pieces move, the pushing inclined planes push at least two first positioning pieces to be close to or far away from each other.

In some embodiments, the floating sleeve is movably disposed in the base, an opening is disposed at a position of the base corresponding to the sleeve hole, the first pushing member and the second pushing member are both disposed in the base, and the floating positioning assembly further includes: and two ends of the third elastic piece are respectively abutted against one end of the floating sleeve, which is far away from the opening, and the base, so that the floating sleeve elastically moves under the pushing of the first pushing piece.

In some embodiments, the assembly device further comprises: the movable guide piece is arranged in the base in a sliding manner and is positioned on one side of the floating positioning assembly, the first pushing piece and the second pushing piece are connected in a sliding manner and respectively abut against different positions of the movable guide piece, and the movable guide piece can sequentially push the first pushing piece and the second pushing piece to move when moving.

In some embodiments, the movable guide comprises: the first moving part is abutted with the first pushing piece so as to push the first pushing piece to move; the second moving part is convexly arranged on the side part of the first moving part and is abutted with the second abutting piece so as to abut against the second abutting piece to move.

In some embodiments, the assembly device further comprises: the pressing rotating assembly comprises a cam and a pressing piece, wherein the cam is movably arranged in the base and is abutted to the first moving part, the pressing piece is connected with the cam, one end of the pressing piece penetrates through the base and is used for driving the cam to lift when being pressed so that the cam pushes the movable guide to move, and driving the cam to rotate when being rotated so as to push the movable guide to move further.

In some embodiments, the pressing member includes: one end of the penetrating part is connected with the cam, and the other end of the penetrating part penetrates through the base; the handle part is connected to the other end of the penetrating piece and is used for driving the penetrating part and the cam to lift and rotate; and the limiting part is arranged in the base, a track hole is formed in the cam, and the limiting part is arranged in the track hole so as to limit the rotation track of the cam.

In some embodiments, the assembly device further comprises: the gland assembly comprises a gland, a pressing piece and a fourth elastic piece, wherein the gland, the pressing piece and the fourth elastic piece are rotatably arranged on one side of the base, and two ends of the fourth elastic piece are respectively connected with the gland and the pressing piece, so that the pressing piece elastically presses the part when the gland rotates to the upper part of the base.

Drawings

Fig. 1 is a schematic diagram of an assembly structure of an assembly device, a product and parts according to an embodiment of the present application.

Fig. 2 is a schematic view of a partial cross-sectional structure of the assembly device, product and parts shown in fig. 1 along line II-II.

Fig. 3 is an exploded view of the assembled device shown in fig. 1.

Fig. 4 is a partially exploded view of the assembled device shown in fig. 3.

FIG. 5 is a schematic view of an exploded view of the floating positioning assembly of the assembled device of FIG. 4 at another angle.

Fig. 6 is a schematic diagram of an assembly structure of an assembly device, a product and a part according to another embodiment of the present application.

Description of the main reference signs

Assembly device 100

Product 200

First hole 210

Part 300

Second hole 310

Base 10

Bottom plate portion 11

Cover plate portion 12

Opening 121

Adsorption part 13

Accommodation groove 14

Pushing assembly 20

First pushing member 21

Second pushing member 22

Floating positioning assembly 30

Float sleeve 31

Trepanning 311

Holding groove 312

Recess 313

First positioning member 32

Second positioning member 33

First protruding part 331

Second protrusion 332

Push ramp 3321

First cross bar member 34

First elastic member 35

Second cross bar member 36

Second elastic member 37

Third elastic member 38

Extending member 40

First projecting portion 41

Second projecting portion 42

Movable guide 50

First moving part 51

Second moving part 52

Pressing and rotating assembly 60

Cam 61

Track hole 611

Pressing piece 62

Wearing portion 621

Handle portion 622

Limit portion 623

Gland assembly 70

Gland 71

Press holder 72

Fourth elastic member 73

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Embodiments of the present application are further described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present application proposes an assembling apparatus 100 for assembling a part 300 on a product 200, wherein a first hole 210 is provided on the product 200, a second hole 310 is provided on the part 300 corresponding to the first hole 210, the assembling apparatus 100 can make the first hole 210 and the second hole 310 coaxial when assembling the product 200 and the part 300, wherein four first holes 210 are provided on the product 200, four second holes 310 are provided on the part 300 corresponding to the first holes 210, in this embodiment, the product 200 is a notebook housing lower cover, and the part 300 is a foot pad. The assembly device 100 includes a base 10, a push assembly 20, and a floating positioning assembly 30.

Referring to fig. 2 and 3, the base 10 is used for carrying a product 200. The pushing component 20 comprises a first pushing piece 21 and a second pushing piece 22, and the first pushing piece 21 and the second pushing piece 22 are both arranged on the base 10 and can slide relative to the base 10. The floating positioning assembly 30 is disposed on the base 10, and the floating positioning assembly 30 includes a floating sleeve 31, at least two first positioning members 32 and a second positioning member 33. One end of the first pushing member 21 is abutted to the floating sleeve 31 through an inclined plane, a sleeve hole 311 is formed in the floating sleeve 31, at least two first positioning members 32 are movably arranged in the sleeve hole 311 and can be close to or far away from each other, one end of each first positioning member 32 protrudes out of the floating sleeve 31 to extend into the first hole 210, a second positioning member 33 is arranged between the at least two first positioning members 32 and is coaxially arranged with the at least two first positioning members 32, one end of the second positioning member 33 abuts against the second pushing member 22 through the inclined plane, the other end of the second positioning member 33 extends out of the at least two first positioning members 32 to extend into the second hole 310, and the position between the two ends of the second positioning member 33 abuts against the at least two first positioning members 32 to push the at least two first positioning members 32 to be close to or far away from each other when lifting. The first pushing member 21 can push the floating sleeve 31 to drive the first positioning member 32 to move upwards so that the first positioning member 32 extends into the first hole 210, the second pushing member 22 can push the second positioning member 33 to move upwards so that the second positioning member 33 pushes at least two first positioning members 32 away from each other and against the wall of the first hole 210 to position the product 200, and after the product 200 is positioned, one end of the second positioning member 33 extends into the second hole 310 of the part 300, so that the first hole 210 of the product 200 and the second hole 310 of the part 300 are coaxial and the part 300 is assembled to the product 200.

In the above assembling device 100, the first pushing member 21 pushes the floating sleeve 31 to drive the first positioning member 32 to move upwards so that the first positioning member 32 extends into the first hole 210 of the product 200, the second pushing member 22 pushes the second positioning member 33 to move upwards so that the second positioning member 33 pushes at least two first positioning members 32 away from each other and abuts against the wall of the first hole 210 to position the product 200, and after the product 200 is positioned, one end of the second positioning member 33 extends into the second hole 310 of the part 300, thereby assembling the part 300 to the product 200, ensuring that the first hole 210 and the second hole 310 are coaxial, and the assembling precision of the part 300 and the product 200 is high.

The base 10 comprises a bottom plate part 11, a cover plate part 12 and a plurality of adsorption parts 13, wherein the cover plate part 12 is covered on one side of the bottom plate part 11 and is used for bearing a product 200; the plurality of adsorption parts 13 are arranged on the bottom plate part 11 at intervals, are embedded in the cover plate part 12, and are used for adsorbing and fixing the product 200. In the present embodiment, the adsorbing portion 13 is four adsorbing blocks having a plurality of adsorbing holes, each of which communicates with a vacuum generator (not shown).

The assembly device 100 further comprises two protruding members 40 for protruding into the first hole 210 and the second hole 310, each protruding member 40 comprises a first protruding portion 41 and a second protruding portion 42, one end of the first protruding portion 41 is connected to the bottom plate portion 11, the other end of the first protruding portion 41 is connected to the second protruding portion 42 and protrudes out of the cover plate portion 12, the first protruding portion 41 is used for protruding into the first hole 210, and when the first protruding portion 41 protrudes into the first hole 210, a gap exists between an outer side wall of the first protruding portion 41 and a hole wall of the first hole 210. The second protruding portion 42 has a smaller size than the first protruding portion 41 to facilitate the protruding of the second protruding portion 42 into the second hole 310.

Referring to fig. 4, the floating positioning assemblies 30 are two, and the two floating positioning assemblies 30 have substantially the same structure, except that: two of the first positioning members 32 of one floating positioning assembly 30 and four of the first positioning members 32 of the other floating positioning assembly 30. In this way, the two floating positioning assemblies 30 and the two extending members 40 cooperate to ensure that the first hole 210 and the second hole 310 are coaxial and the product 200 is positioned when the part 300 and the product 200 are assembled, and the assembly precision of the part 300 and the product 200 is high. It will be appreciated that in other embodiments, the floating positioning assembly 30 may be three or five, but is not limited thereto.

The floating positioning assembly 30 further comprises a first transverse rod piece 34 and a first elastic piece 35, the first transverse rod piece 34 is in a rod shape, one end of the first transverse rod piece 34 is abutted against the second positioning piece 33, the other end of the first transverse rod piece 34 penetrates through the corresponding first positioning piece 32 and the floating sleeve 31, and the extending direction of the first transverse rod piece 34 is perpendicular to the moving direction of the second positioning piece 33. The first elastic member 35 is sleeved on the first transverse rod member 34, one end of the first elastic member 35 abuts against the hole wall of the sleeve hole 311, and the other end of the first elastic member 35 abuts against the corresponding first positioning member 32, so that the first positioning member 32 elastically moves along the extending direction of the first transverse rod member 34, and the first positioning member 32 can elastically abut against the hole wall of the first hole 210.

The hole wall of the sleeve hole 311 is concavely provided with a supporting slot 312 corresponding to the position of the first cross member 34, and one end of the first elastic member 35 supports the bottom of the supporting slot 312, so that when at least two first positioning members 32 are far away from each other to the hole wall of the supporting sleeve hole 311, the first elastic member 35 can be completely accommodated in the supporting slot 312.

In this embodiment, two or four first cross members 34 and two or four corresponding first positioning members 32 can be enclosed to form a column structure. In this embodiment, the first elastic member 35 is a spring.

Referring to fig. 5, a groove 313 communicating with the sleeve hole 311 is formed on the bottom surface of the floating sleeve 31, the floating positioning assembly 30 further includes a second cross member 36 and a second elastic member 37, the second cross member 36 is rod-shaped, the second cross member 36 is movably disposed in the groove 313 and is disposed through the second positioning member 33, and an extending direction of the second cross member 36 is perpendicular to a moving direction of the second positioning member 33. One end of the second elastic member 37 abuts against the second cross bar member 36, and the other end of the second elastic member 37 abuts against the groove bottom of the groove 313, so that the second positioning member 33 elastically moves along the moving direction thereof, thereby pushing the at least two first positioning members 32 away from each other and against the wall of the first hole 210 to position the product 200. In this embodiment, the second elastic members 37 are two springs, and are respectively disposed at two ends of the first cross member 34.

With continued reference to fig. 4, a first protruding portion 331 and a second protruding portion 332 are connected between two ends of the second positioning member 33, the first protruding portion 331 is disposed above the second protruding portion 332, the size of the first protruding portion 331 is smaller than that of the second protruding portion 332, a pushing inclined plane 3321 is disposed at a position of the second protruding portion 332 close to the first protruding portion 331, at least two first positioning members 32 are disposed around the periphery of the second positioning member 33, and the inner side walls of the first positioning members are adapted to the shape of the second positioning member 33, and the second positioning member 33 pushes at least two first positioning members 32 to approach or separate from each other through the pushing inclined plane 3321 when the second pushing member 22 pushes down and lifts.

Referring to fig. 2 to 4, the floating sleeve 31 is movably disposed between the bottom plate portion 11 and the cover plate portion 12 of the base 10, an opening 121 is disposed at a position of the cover plate portion 12 of the base 10 corresponding to the sleeve hole 311 to allow the first positioning member 32 to pass through, the first pushing member 21 and the second pushing member 22 are both disposed between the bottom plate portion 11 and the cover plate portion 12 of the base 10, the floating positioning assembly 30 further includes a third elastic member 38, the floating sleeve 31 has a substantially T-shaped structure, and two ends of the third elastic member 38 respectively abut against one end of the floating sleeve 31 near the opening 121 and the cover plate portion 12 of the base 10, so that the floating sleeve 31 elastically moves under the pushing of the first pushing member 21. In the present embodiment, the third elastic member 38 is four springs and is disposed around the floating sleeve 31 to ensure the balance of the floating sleeve 31.

The assembly device 100 further includes a movable guiding element 50, where the movable guiding element 50 is slidably disposed between the bottom plate portion 11 and the cover plate portion 12 of the base 10 and is located at a side portion of the floating positioning assembly 30, the first pushing element 21 is slidably connected above the second pushing element 22, and the first pushing element 21 and the second pushing element 22 are respectively abutted to different positions of the movable guiding element 50, and the movable guiding element 50 can respectively push the first pushing element 21 and the second pushing element 22 to move when moving, so that the first pushing element 21 pushes the floating sleeve 31 to drive the first positioning element 32 to move upwards to make the first positioning element 32 extend into the first hole 210, and the second pushing element 22 pushes the second positioning element 33 to move upwards to make the second positioning element 33 push at least two first positioning elements 32 away from each other and abut against a hole wall of the first hole 210 to position the product 200. Wherein the moving direction of the movable guide 50 is perpendicular to the moving directions of the first push member 21 and the second push member 22, respectively.

Specifically, the movable guiding element 50 includes a first moving portion 51 and a second moving portion 52, where the first moving portion 51 is plate-shaped, and the first moving portion 51 abuts against the first pushing element 21 through an adapted inclined plane to push the first pushing element 21 to move, so that the first pushing element 21 pushes the floating sleeve 31 to drive the first positioning element 32 to move upwards, and the first positioning element 32 extends into the first hole 210. The two second moving parts 52 are arranged on two opposite side parts of the first moving part 51 in a protruding manner, and each second moving part 52 is abutted with the second pushing piece 22 through an adaptive inclined plane to push the second pushing piece 22 to move, so that the second pushing piece 22 pushes the second positioning piece 33 to move upwards, and the second positioning piece 33 pushes the at least two first positioning pieces 32 away from each other and pushes against the wall of the first hole 210 to position the product 200.

In this embodiment, one end of the first moving portion 51 is tapered, and the first pushing member 21 and the second pushing member 22 are two groups, and the tapered end of the first moving portion 51 can push the two groups of first pushing members 21 to move in opposite directions at the same time, so that the first pushing member 21 pushes the floating sleeve 31 to drive the first positioning member 32 to move upwards, so that the first positioning member 32 extends into the first hole 210. The second moving part 52 can push the second pushing member 22 to move when the tapered end of the first moving part 51 pushes the first pushing member 21 to move, and further, the second moving part 52 can also push the second pushing member 22 to move when the first pushing member 21 stops moving, so that the second pushing member 22 pushes the second positioning member 33 to move upwards to enable the second positioning member 33 to push the at least two first positioning members 32 away from each other and against the wall of the first hole 210 to position the product 200.

The assembly device 100 further includes a pressing rotating assembly 60, the pressing rotating assembly 60 includes a cam 61 and a pressing piece 62, the cover plate portion 12 is provided with a receiving groove 14 corresponding to the position of the cam 61, the cam 61 is movably disposed in the receiving groove 14 of the cover plate portion 12, and can abut against the other end of the first moving portion 51 through an adaptive inclined plane, wherein the cam 61 can move up and down and rotate in the receiving groove 14. The pressing piece 62 is connected to the cam 61, and one end of the pressing piece 62 passes through the cover plate portion 12 of the base 10, for driving the cam 61 to descend when pressed so that the cam 61 pushes the movable guide 50 to move, and driving the cam 61 to rotate when rotated so as to push the movable guide 50 to move further.

Specifically, the pressing member 62 includes a penetrating portion 621, a handle portion 622, and a limiting portion 623, the penetrating portion 621 is rod-shaped, one end of the penetrating portion 621 is connected to the cam 61, and the other end of the penetrating portion 621 is penetrated through the cover plate portion 12 of the base 10. The handle 622 is strip-shaped, and the handle 622 is connected to the other end of the penetrating portion 621 penetrating the cover plate 12, and is used for driving the penetrating portion 621 and the cam 61 to lift and rotate in the accommodating groove 14. The limiting part 623 is rod-shaped, the limiting part 623 is arranged in the accommodating groove 14 of the base 10, the cam 61 is provided with a track hole 611, and the limiting part 623 is arranged in the track hole 611 to limit the rotation track of the cam 61, thereby limiting the moving distance of the movable guide 50.

Referring to fig. 6, in some embodiments, the assembling apparatus 100 further includes a capping assembly 70, where the capping assembly 70 includes a capping cover 71, a pressing member 72 and a fourth elastic member 73, and the capping cover 71 is rotatably disposed on one side of the cover portion 12 of the base 10. The two ends of the fourth elastic member 73 are respectively connected to the pressing cover 71 and the pressing member 72, so that the pressing member 72 elastically presses the part 300 against the product 200 when the pressing cover 71 rotates above the base 10. In the present embodiment, the pressing member 72 has a hollow structure, and is capable of pressing the part 300 while passing the second positioning member 33. The fourth elastic member 73 is a spring.

The working procedure of the assembly device 100 of the present embodiment is as follows:

pressing the handle 622, the handle 622 drives the penetrating part 621 and the cam 61 to descend, and during the descending process, the cam 61 pushes the movable guide 50 to move, so that the tapered end of the first moving part 51 pushes the two groups of first pushing pieces 21 to move in opposite directions, and the first pushing pieces 21 push the floating sleeve 31 to drive the first positioning piece 32 to move upwards;

placing the product 200 on the cover plate portion 12 with the first positioning member 32 and the first projecting portion 41 passing through the first aperture 210 of the product 200;

rotating the handle 622, causing the handle 622 to rotate the penetrating portion 621 and the cam 61, the cam 61 pushing the movable guide 50 to move, so that the second moving portion 52 pushes the second pushing member 22 to move, so that the second pushing member 22 pushes the second positioning member 33 to move upwards, so that the second positioning member 33 pushes the at least two first positioning members 32 away from each other and against the wall of the first hole 210 to position the product 200;

the plurality of adsorption parts 13 are made to adsorb and fix the product 200, and then the handle part 622 is turned and pulled up, so that the second positioning piece 33, the floating sleeve 31 and the first positioning piece 32 move downwards, and the second positioning piece 33 pushes at least two first positioning pieces 32 to be close to each other to abut against the second positioning piece 33;

placing the part 300 on the product 200, wherein the product 200 is provided with glue in a position corresponding to the part 300, and the second positioning member 33 is passed through the second hole 310, and the first hole 210 and the second hole 310 are coaxial at this time, since the second positioning member 33 is coaxial with the at least two first positioning members 32;

the pressing cover 71 is rotated to above the base 10 to elastically press the pressing member 72 against the part 300, thereby assembling the product 200 and the part 300.

Finally, it should be noted that the above embodiments are merely for illustrating the technical solution of the present application and not for limiting, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application.

Claims (10)

1. An assembly device for assembling a part on a product, the product having a first aperture, the part having a second aperture corresponding to the position of the first aperture, comprising a base for carrying the product, the assembly device further comprising:

the pushing assembly comprises a first pushing piece and a second pushing piece, and the first pushing piece and the second pushing piece are arranged on the base and can slide relative to the base;

the floating positioning assembly is arranged on the base and comprises a floating sleeve, at least two first positioning pieces and a second positioning piece, wherein the floating sleeve is abutted with one end of the first pushing piece, a sleeve hole is formed in the floating sleeve, the at least two first positioning pieces are movably arranged in the sleeve hole and can be close to or far away from each other, one end of each first positioning piece protrudes out of the floating sleeve to extend into the first hole, the second positioning piece is arranged between the at least two first positioning pieces and is coaxially arranged with the at least two first positioning pieces, one end of the second positioning piece abuts against the second pushing piece, the other end of the second positioning piece protrudes out of the at least two first positioning pieces to extend into the second hole, and the position between the two ends of the second positioning piece abuts against the at least two first positioning pieces to abut against and push the at least two first positioning pieces to be close to or far away from each other when lifting;

the first pushing piece can push the floating sleeve to drive the first locating piece to move upwards so that the first locating piece stretches into the first hole, the second pushing piece can push the second locating piece to move upwards so that the second locating piece pushes at least two first locating pieces to be away from each other and to prop against the hole wall of the first hole so as to locate the product, and after the product is located, one end of the second locating piece stretches into the second hole, so that the first hole and the second hole are coaxial and the part is assembled on the product.

2. The assembly device of claim 1, wherein the floating positioning assembly further comprises:

the first transverse rod piece is characterized in that one end of the first transverse rod piece is abutted against the second positioning piece, the other end of the first transverse rod piece is penetrated through the corresponding first positioning piece and the floating sleeve, and the extending direction of the first transverse rod piece is perpendicular to the moving direction of the second positioning piece;

the first elastic piece is sleeved on the first transverse rod piece, one end of the first elastic piece is abutted against the hole wall of the sleeved hole, and the other end of the first elastic piece is abutted against the corresponding first positioning piece, so that the first positioning piece elastically moves along the extending direction of the first transverse rod piece.

3. The assembly device of claim 1, wherein the floating collar is provided with a recess in communication with the socket, the floating positioning assembly further comprising:

the second transverse rod piece is movably arranged in the groove and penetrates through the second positioning piece, and the extending direction of the second transverse rod piece is perpendicular to the moving direction of the second positioning piece;

and one end of the second elastic piece is abutted against the second transverse rod piece, and the other end of the second elastic piece is abutted against the bottom of the groove so as to enable the second positioning piece to elastically move.

4. The assembly device according to claim 1, wherein a first protruding portion and a second protruding portion are connected between two ends of the second positioning member, the first protruding portion is arranged above the second protruding portion, the size of the first protruding portion is smaller than that of the second protruding portion, a pushing inclined surface is arranged at a position, close to the first protruding portion, of the second protruding portion, at least two first positioning members are arranged around the periphery of the second positioning member in a surrounding mode and are matched with the shape of the second positioning member, and the second positioning member pushes the at least two first positioning members to be close to or away from each other through the pushing inclined surface when moving.

5. The assembly device of claim 1, wherein the floating sleeve is movably disposed in the base, an opening is disposed at a position of the base corresponding to the sleeve hole, the first pushing member and the second pushing member are both disposed in the base, and the floating positioning assembly further comprises:

and two ends of the third elastic piece are respectively abutted against one end, close to the opening, of the floating sleeve and the base, so that the floating sleeve elastically moves under the pushing of the first pushing piece.

6. The assembly device of claim 5, wherein the assembly device further comprises:

the movable guide piece is arranged in the base in a sliding manner and is positioned on one side of the floating positioning assembly, the first pushing piece and the second pushing piece are connected in a sliding manner and respectively abut against different positions of the movable guide piece, and the movable guide piece can respectively push the first pushing piece and the second pushing piece to move when moving.

7. The assembly device of claim 6, wherein the movable guide comprises:

the first moving part is abutted with the first pushing piece so as to push the first pushing piece to move;

the second moving part is convexly arranged on the side part of the first moving part and is abutted with the second abutting piece so as to abut against the second abutting piece to move.

8. The assembly device of claim 7, wherein the assembly device further comprises:

the pressing rotating assembly comprises a cam and a pressing piece, wherein the cam is movably arranged in the base and is abutted to the first moving part, the pressing piece is connected with the cam, one end of the pressing piece penetrates through the base and is used for driving the cam to descend when being pressed so that the cam pushes the movable guide to move, and driving the cam to rotate when being rotated so as to push the movable guide to move further.

9. The assembly device of claim 8, wherein the pressing member comprises:

one end of the penetrating part is connected with the cam, and the other end of the penetrating part penetrates through the base;

the handle part is connected to the other end of the penetrating part and is used for driving the penetrating part and the cam to lift and rotate;

and the limiting part is arranged in the base, a track hole is formed in the cam, and the limiting part is arranged in the track hole so as to limit the rotation track of the cam.

10. The assembly device of claim 1, wherein the assembly device further comprises:

the gland assembly comprises a gland, a pressing piece and a fourth elastic piece, wherein the gland, the pressing piece and the fourth elastic piece are rotatably arranged on one side of the base, and two ends of the fourth elastic piece are respectively connected with the gland and the pressing piece, so that the pressing piece elastically presses the part when the gland rotates to the upper part of the base.