CN214313834U - Plug-in assembling equipment of connector - Google Patents

Abstract

The utility model relates to a plug assembling device of a connector, which comprises a feeding device, a first feeding device, a plug device and a breaking device; the feeding device aligns at least two material belts with terminals and then supplies materials to the station where the plugging device is located; the first feeding device transmits the socket to the plugging device; the inserting device inserts the transmitted socket onto the transmitted terminal and transmits the terminal to a station where the breaking device is located; the breaking device fixes the socket and drives the material belt where the terminal inserted into the socket is located to move transversely, so that the material belt and the terminal are broken.

Description

Plug-in assembling equipment of connector

Technical Field

The utility model relates to a connector production facility, more specifically say, relate to a grafting equipment of connector.

Background

When the terminals of the connector plug in the related art are inserted into the socket, usually one terminal is inserted into the socket, and as for how many terminals of the plug, how many stations are required to be arranged for inserting the terminals, the efficiency is low.

In addition, different terminals are separately inserted, and under the influence of different stations, the inserting depth of each terminal of the same plug can be different, so that the defects are caused, the yield is reduced, and the waste is also caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned inefficiency of prior art, the low defect of yield, provide a grafting equipment of connector.

The utility model provides a technical scheme that its technical problem adopted is: the plug-in assembling equipment for constructing the connector comprises a feeding device, a first feeding device, a plug-in device and a breaking device;

the feeding device aligns at least two material belts with terminals and then supplies materials to a station where the plugging device is located;

the first feeding device transmits the socket to the plugging device;

the plug-in device plugs the transmitted socket on the transmitted terminal and transmits the socket to the station where the breaking device is located;

the breaking device fixes the socket and drives the material belt where the terminal inserted into the socket is located to move transversely, so that the material belt and the terminal are broken.

Preferably, still including the confession the second material feeding unit of the coiling dish installation in material area, second material feeding unit includes the base and a plurality of rotation seats that set up side by side on the base, adjacent two it is normal running fit with the axis of rotation both ends of a coiling dish respectively to rotate the seat.

Preferably, the device further comprises a cutting device for cutting the material belt which is cut off from the terminal;

the cutting device comprises a cutter and a third driving piece, wherein the cutter is arranged in a swinging mode, and the third driving piece drives the cutter to swing.

Preferably, the cutter is shaft-like, and one end is the tool bit, tool bit place end rotates the setting, the third driving piece with the other end of cutter rotates and is connected, drives when the cutter rotates, lets the tool bit cuts off the material area.

Preferably, the feeding device comprises a positioning seat, a positioning pin and a feeding driving device; the positioning seat is provided with at least two rows of clamping grooves and positioning holes penetrating through the clamping grooves along the arrangement direction of the clamping grooves;

the clamping grooves are used for clamping at least two rows of material belts with terminals, and material holes corresponding to the positioning holes are formed in the material belts;

the feeding driving device drives the positioning needle to move axially to be inserted into the positioning hole and the material hole and drives the positioning seat and the material belt to move along the length direction of the material belt so as to realize synchronous feeding.

Preferably, the feeding device further comprises a first guide seat for guiding the positioning seat, and a guide groove for slidably mounting the positioning seat is formed in the first guide seat;

the positioning seat comprises thirteen positioning pieces which are stacked to form twelve clamping grooves which are respectively clamped with the material belt;

the positioning seat is provided with at least two positioning holes, and the arrangement mode of the material holes in the material belt corresponds to the positions of the positioning holes.

Preferably, the first feeding device comprises a feeding groove for socket conveying, and the inserting device comprises a first pushing seat and a second pushing seat which are arranged along the feeding direction of the material belt; the feeding groove conveys a socket to the first material pushing seat, the first material pushing seat pushes the conveyed socket to be pre-inserted into the terminal, and after the socket which is pre-inserted into the terminal is conveyed to the second material pushing seat along with a material belt, the second material pushing seat pushes the socket which is pre-inserted into the terminal to be inserted into the terminal.

Preferably, the breaking device comprises a first swinging seat, a driving seat, a second swinging seat and a fixing mechanism for fixing the socket, wherein the first swinging seat, the driving seat and the second swinging seat are arranged side by side; the first swing seat, the driving seat and the second swing seat are respectively provided with at least two rows of clamping grooves for clamping at least two rows of material belts inserted with terminals of the socket;

the first swing seat and the second swing seat are respectively and movably arranged, and the driving seat is respectively in rotating fit with the first swing seat and the second swing seat;

when the driving seat moves transversely, the first swinging seat and the second swinging seat are driven to swing, and the fixing mechanism comprises a fixing seat for fixing the socket in a positioning manner, so that the material belt moves transversely relative to the socket and the terminal, and the material belt and the terminal are broken off.

Preferably, an avoidance gap is formed between two adjacent side surfaces of the first swinging seat, the driving seat and the second swinging seat so as to drive the first swinging seat and the second swinging seat to swing;

two adjacent side surfaces of the first swinging seat, the driving seat and the second swinging seat are respectively provided with a conical inclined surface or an arc surface which protrudes outwards so as to form the avoiding gap on the adjacent side surfaces;

the rotating positions of the first swinging seat and the driving seat are located at the head positions of the adjacent bulges, and the rotating positions of the driving seat and the second swinging seat are located at the head positions of the adjacent bulges.

Preferably, the device further comprises a third swinging seat arranged on one side of the first swinging seat, which is far away from the driving seat, the first swinging seat and the third swinging seat are in rotating fit, an avoidance gap is formed between the first swinging seat and the third swinging seat, and the third swinging seat is rotatably arranged;

the side surfaces of the first swinging seat adjacent to the third swinging seat are convex conical inclined surfaces or arc surfaces so as to form an avoiding gap with the third swinging seat and can swing relative to the third swinging seat;

the device is still including setting up the second swing seat deviates from the fourth swing seat of drive seat one side, second swing seat, fourth swing seat normal running fit, form between second swing seat, the fourth swing seat and dodge the clearance, the fourth swing seat rotates the setting, first swing seat with the side that the third swing seat is adjacent is bellied toper inclined plane or cambered surface, with form between the third swing seat and dodge the clearance, and can be relative the swing of third swing seat.

Implement the utility model discloses a grafting equipment of connector has following beneficial effect: the socket can be inserted to two and many material areas in step to the grafting equipment of connector, can also break the disconnection from the material area with the terminal of having pegged graft the socket, has realized automatic equipment production, promotes production efficiency, can also guarantee the uniformity that the terminal was pegged graft, promotes the production yield, has saved cost and resource, also lets more integrating, the miniaturization of grafting equipment, lets the utilization ratio of factory building obtain promoting.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic top view of a plug assembling apparatus of a connector according to an embodiment of the present invention;

fig. 2 is a schematic top view of a portion of the plug assembly device of the connector of fig. 1;

FIG. 3 is a schematic view of the positioning base of the feeding device in FIG. 1;

fig. 4 is a front view schematically illustrating the insertion assembly device of the connector of fig. 1;

fig. 5 is a schematic structural view of a second transfer device of the plug assembly device of the connector of fig. 1;

FIG. 6 is a schematic layout of the first swing seat, the driving seat and the second swing seat of the breaking device;

FIG. 7 is a front profile view of the breaking apparatus;

FIG. 8 is a schematic view of the third swing seat and the fourth swing seat of FIG. 6;

FIG. 9 is a schematic view of the driving base in FIG. 8 moving downward to swing the other swing bases;

FIG. 10 is a schematic view of the cutting apparatus;

fig. 11 is a schematic view of the cutting device after the cutter has swung.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the insertion assembling apparatus for a connector in a preferred embodiment of the present invention includes a feeding device 1, a first feeding device 2, an insertion device 3, and a breaking device 4.

The feeding device 1 aligns at least two material belts A with terminals and then supplies materials to a station where the plugging device 3 is located; the first feeding device 2 delivers the socket B to the plugging device 3.

The inserting device 3 inserts the transmitted socket B onto the transmitted terminal and transmits the socket B to a station where the breaking device 4 is located; the breaking device 4 fixes the socket B and drives the material belt a where the terminal plugged to the socket B is located to move transversely, so that the material belt a and the terminal are broken.

The grafting equipment of connector can realize two and many material areas A peg graft in step socket B on, can also break the disconnection from material area A with socket B's the terminal of having pegged graft, has realized automatic equipment production, promotes production efficiency, can also guarantee the uniformity that the terminal was pegged graft, promotes the production yield, has saved cost and resource, also lets more integrating, the miniaturization of grafting equipment, lets the utilization ratio of factory building obtain promoting.

The feeding device 1 includes a positioning seat 11, a positioning pin 12, and a feeding driving device 13, wherein two or more rows of clamping grooves 111 and positioning holes 112 penetrating through the clamping grooves 111 along the arrangement direction of the clamping grooves 111 are arranged on the positioning seat 11.

The clamping groove 111 is used for clamping two or more rows of material belts a with terminals, and the material belts a are provided with material holes corresponding to the positioning holes 112, so that the positioning pins 12 can be inserted into the positioning holes 112 and the material holes at the same time.

The feeding driving device 13 drives the positioning needle 12 to move axially to be inserted into the positioning hole 112 and the material hole, and drives the positioning seat 11 and the material belt a to move along the length direction of the material belt a, so as to realize synchronous feeding.

As shown in fig. 2 and 3, the positioning seat 11 includes a plurality of positioning pieces 113 attached side by side, and a slot 111 is formed between two adjacent positioning pieces 113.

In this embodiment, the positioning seat 11 includes thirteen stacked positioning pieces 113 to form twelve clamping grooves 111, which are respectively clamped with a material tape a to be plugged into a socket B of a Type-C plug, and also can be used for selecting a corresponding positioning seat to be clamped with a material tape with a corresponding terminal to be plugged into a socket of another plug according to specific production.

The number of the positioning pieces 113 can be determined according to the number of the tapes a to be transferred at a time, the number of the tapes a to be transferred at a time can be determined according to the number of terminals to be plugged on the connectors, and terminals required by transferring a plurality of connectors at a time can be divided into a plurality of groups according to the productivity, and the groups are respectively plugged on the sockets B of the connectors.

Two or more positioning holes 112 are formed in the positioning seat 11, and the arrangement of the material holes in the material tape a corresponds to the positions of the positioning holes 112, so that the positioning needles 12 can be inserted into the positioning holes 112 and the material holes, and the relative positions of the rows of the material tapes a are fixed and can move synchronously.

As shown in fig. 2, in order to make the moving direction of the positioning seat 11 accurate, the feeding device 1 further includes a first guiding seat 14 for guiding the positioning seat 11, and a guiding groove for slidably mounting the positioning seat 11 is formed in the first guiding seat 14, so as to ensure that the material tape a is stably conveyed without deviation.

As shown in fig. 1, the first feeding device 2 includes a feeding tray 21 for storing the sockets B and a feeding slot 22 for conveying the sockets B in the feeding tray 21, and the socket B conveyed by the inserting device 3 is inserted into the terminal, so that the feeding and inserting automation of the sockets B is realized.

Preferably, the first feeding device 2 includes a plurality of feeding slots 22 arranged side by side and respectively communicated with the feeding tray 21 to simultaneously convey a plurality of rows of sockets B to the plugging device 3, and each socket B is arranged along the length direction of the material belt a, so that a plurality of sockets B can be plugged onto the terminals synchronously.

Referring to fig. 1, 2 and 4, the inserting device 3 further includes a first pushing seat 31 and a second pushing seat 32 arranged along the feeding direction of the material tape a, and the feeding slot 22 communicates the feeding tray 21 to the first pushing seat 31.

The feeding tray 21 usually adopts a vibration tray, the socket B fed out can be righted as required, after the socket B is righted in the feeding groove 22, the socket B is conveyed to the first material pushing seat 31 through the feeding groove 22, the first material pushing seat 31 pushes the conveyed socket B to be pre-inserted into the terminal, and the socket B and the terminal are pre-positioned firstly.

After the socket B pre-plugged into the terminal is conveyed to the second material pushing seat 32 along with the material belt a, the second material pushing seat 32 pushes the socket B pre-plugged into the terminal to be plugged into the terminal, and the plugging position is according to the actual requirement.

In other embodiments, the socket B may be plugged into the terminal in more than two steps, or may be plugged into the terminal in only one step.

The feeding device 1 and the inserting device 3 can realize inserting and assembling of multiple rows of terminals, synchronous inserting and connecting of the multiple rows of terminals becomes possible, the height consistency of inserting and connecting of the terminals is high, the inserting and connecting yield is improved, and the production efficiency is also improved.

As shown in fig. 5, further, the apparatus further includes a second feeding device 5 installed on a material tray 53 for supplying the material belt a, the second feeding device 5 includes a base 51 and a plurality of rotating seats 52 arranged side by side on the base 51, two adjacent rotating seats 52 are respectively and rotatably engaged with two ends of a rotating shaft of the material tray 53, so that the material belt a on the material trays 53 can supply the material to the feeding device 1.

After the socket B is plugged into the terminal, the breaking device 4 can break the terminal and the material belt A which are plugged into the socket B, so that the socket B and the terminal are separated from the material belt A, the streamlined operation is realized, and the assembly production efficiency is improved.

Specifically, as shown in fig. 6 and 7, the breaking device 4 includes a first swing seat 41, a driving seat 42, a second swing seat 43, and a fixing mechanism 44 for fixing the socket B, which are arranged side by side.

Two or more rows of slots 111 are respectively arranged on the first swing seat 41, the driving seat 42, and the second swing seat 43 for engaging with at least two rows of material tapes a inserted with terminals of the socket B. The first swing seat 41 and the second swing seat 43 are respectively movably arranged, the driving seat 42 is respectively matched with the first swing seat 41 and the second swing seat 43 in a rotating manner, and when the driving seat 42 moves transversely, the driving seat drives the first swing seat 41 and the second swing seat 43 to swing.

The fixing mechanism 44 includes a fixing seat 441 for fixing the socket B, so that the strip a and the terminal are broken under the action of the moving force when the driving seat 42 drives the strip a to move transversely relative to the socket B and the terminal.

When the driving seat 42 moves transversely, the driving seat rotates relative to the first swinging seat 41 and the second swinging seat 43 to drive the first swinging seat 41 and the second swinging seat 43 to swing, the first swinging seat 41 and the second swinging seat 43 swing along with the movement of the driving seat 42, and the continuity of the first swinging seat 41, the driving seat 42 and the second swinging seat 43 can be ensured, so that the material belt a can move smoothly.

After the socket B is inserted into the terminal, the strip a is firstly taken to the first swing seat 41, when the first swing seat 41 swings, a small stretching distortion is generated between the strip a and the terminal, and then the strip a is taken to the driving seat 42, when the driving seat 42 moves, a large stretching distortion is generated between the strip a and the terminal, so that the connecting position of the strip a and the terminal is broken.

Furthermore, an avoidance gap is formed between two adjacent side surfaces of the first swing seat 41, the driving seat 42 and the second swing seat 43, so as to drive the first swing seat 41 and the second swing seat 43 to swing.

Preferably, two adjacent side surfaces of the first swing seat 41, the driving seat 42 and the second swing seat 43 are respectively provided with a tapered inclined surface 45 protruding outwards, and may also be an arc surface, so as to form an avoidance gap on the adjacent side surfaces.

In some embodiments, the rotation positions of the first swing seat 41 and the driving seat 42 are located at the head positions of the adjacent protrusions, the rotation positions of the driving seat 42 and the second swing seat 43 are located at the head positions of the adjacent protrusions, and the two sides of the driving seat 42 are respectively provided with a rotation shaft 46, so that the first swing seat 41 and the second swing seat 43 can swing. The protruding position and the rotating shaft 46 are located in the middle of the side of the driving seat 42, so that the driving seat 42 can swing to both sides of the tape a, and in other embodiments, the driving seat 42 can only move back and forth to one side of the tape a.

As shown in fig. 8 and 9, preferably, in some embodiments, the apparatus further includes a third swing seat 47 disposed on a side of the first swing seat 41 facing away from the driving seat 42, the first swing seat 41 and the third swing seat 47 are rotatably engaged, an avoidance gap is formed between the first swing seat 41 and the third swing seat 47, the third swing seat 47 is rotatably disposed, and a rotation position of the first swing seat 41 and the third swing seat 47 is located at a head position of an adjacent protrusion, and preferably, a rotation shaft 46 is disposed at the head position of the adjacent protrusion.

Further, the side surfaces of the first swing seat 41 adjacent to the third swing seat 47 are convex conical inclined surfaces 45 or arc surfaces, so as to form an escape gap with the third swing seat 47, and the side surfaces can swing towards the two sides of the material tape a relative to the third swing seat 47.

Preferably, in some embodiments, the apparatus further includes a fourth swing seat 48 disposed on a side of the second swing seat 43 facing away from the driving seat 42, the second swing seat 43 and the fourth swing seat 48 are rotatably engaged, an avoidance gap is formed between the second swing seat 43 and the fourth swing seat 48, the fourth swing seat 48 is rotatably disposed, and a rotation position of the second swing seat 43 and the fourth swing seat 48 is located at a head position of an adjacent protrusion, and preferably, a rotation shaft 46 is disposed at the head position of the adjacent protrusion.

Further, the side surfaces of the second swing seat 43 adjacent to the fourth swing seat 48 are convex conical inclined surfaces 45 or arc surfaces, so as to form an avoidance gap with the fourth swing seat 48, and the side surfaces can swing towards the two sides of the material tape a relative to the fourth swing seat 48.

In some embodiments, the device further comprises a second guiding seat 421 for guiding the driving seat 42, and a first driving member 49 for driving the driving seat 42 to move transversely along the second guiding seat 421, so that the driving seat 42 can move accurately without deviation.

Further, the fixing mechanism 44 of the breaking device 4 further includes a pressing head 443 for pressing the socket B onto the fixing seat 441, and a second driving member 442 for driving the pressing head 443 to move so as to press or release the socket B.

As shown in fig. 10 and 11, in some embodiments, the apparatus further comprises a cutting device 6 for cutting the strip a after being cut from the terminals; cutting device 6 includes the cutter 61 that the swing set up and drives cutter 61 wobbling third driving piece 62, can let the material area A who separates with the terminal cut off, does benefit to and collects the waste material. Further, the first driving member 49, the second driving member 442, and the third driving member 62 may be air cylinders, etc.

Preferably, the cutter 61 is rod-shaped, one end of the cutter is a cutter head 611, the end where the cutter head 611 is located is rotatably disposed, and the third driving member 62 is rotatably connected to the other end of the cutter 61, so as to make the cutter head 611 cut off the material tape a when the cutter 61 is driven to rotate. The end of the cutter head 611 is rotatably arranged, so that the force applied by the cutter head 611 when the cutter 61 swings can be increased, and the plurality of material belts A can be cut off conveniently.

It is to be understood that the above-described respective technical features may be used in any combination without limitation.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. The plugging and assembling equipment of the connector is characterized by comprising a feeding device (1), a first feeding device (2), a plugging device (3) and a breaking device (4);

the feeding device (1) aligns at least two material belts (A) with terminals and then supplies materials to a station where the inserting device (3) is located;

the first feeding device (2) transmits a socket (B) to the plugging device (3);

the inserting device (3) inserts the transmitted socket (B) onto the transmitted terminal and transmits the terminal to a station where the breaking device (4) is located;

the breaking device (4) fixes the socket (B) and drives the material belt (A) inserted and connected to the upper terminal of the socket (B) to move transversely, so that the material belt (A) and the terminal are broken off.

2. The connector plugging assembly device according to claim 1, further comprising a second feeding device (5) for mounting a material winding tray (53) of the material tape (a), wherein the second feeding device (5) comprises a base (51) and a plurality of rotating seats (52) arranged side by side on the base (51), and two adjacent rotating seats (52) are respectively rotatably engaged with two ends of a rotating shaft of the material winding tray (53).

3. The plug-assembly device of a connector according to claim 1, further comprising a cutting means (6) for cutting the strip (a) after being cut off from the terminal;

the cutting device (6) comprises a cutter (61) which is arranged in a swinging mode and a third driving piece (62) which drives the cutter (61) to swing.

4. The connector assembling apparatus according to claim 3, wherein the cutter (61) is rod-shaped, one end of the cutter is a cutter head (611), the end of the cutter head (611) is rotatably disposed, and the third driving member (62) is rotatably connected to the other end of the cutter (61) to allow the cutter head (611) to cut the tape (A) when the cutter (61) is driven to rotate.

5. The plugging assembly device of connectors according to any one of claims 1 to 4, wherein the feeding device (1) comprises a positioning seat (11), a positioning pin (12), and a feeding driving device (13); at least two rows of clamping grooves (111) and positioning holes (112) penetrating through the clamping grooves (111) along the arrangement direction of the clamping grooves (111) are formed in the positioning seat (11);

the clamping grooves (111) are used for clamping at least two rows of material belts (A) with terminals, and material holes corresponding to the positioning holes (112) are formed in the material belts (A);

the feeding driving device (13) drives the positioning needles (12) to move axially so as to be inserted into the positioning holes (112) and the material holes, and drives the positioning seats (11) and the material belt (A) to move along the length direction of the material belt (A), so that synchronous feeding is realized.

6. The connector plugging and assembling device according to claim 5, wherein the feeding device (1) further comprises a first guiding seat (14) for guiding the positioning seat (11), the first guiding seat (14) is provided with a guiding groove for slidably mounting the positioning seat (11);

the positioning seat (11) comprises thirteen stacked positioning sheets (113) to form twelve clamping grooves (111) which are respectively clamped with the material belt (A);

the positioning seat (11) is provided with at least two positioning holes (112), and the arrangement mode of the material holes on the material belt (A) corresponds to the positions of the positioning holes (112).

7. The plugging assembly device of connectors according to any one of claims 1 to 4, wherein the first feeding device (2) comprises a feeding slot (22) for conveying a socket (B), and the plugging device (3) comprises a first material pushing seat (31) and a second material pushing seat (32) arranged along the feeding direction of the material belt (A); the feeding groove (22) transmits a socket (B) to the first material pushing seat (31), the first material pushing seat (31) pushes the transmitted socket (B) to be pre-inserted into the terminal, and after the socket (B) pre-inserted into the terminal is transmitted to the second material pushing seat (32) along with a material belt (A), the second material pushing seat (32) pushes the socket (B) pre-inserted into the terminal to be inserted into the terminal.

8. The plugging assembly device of connectors according to any one of claims 1 to 4, wherein the breaking device (4) comprises a first swinging seat (41), a driving seat (42), a second swinging seat (43) and a fixing mechanism (44) for fixing the socket (B) which are arranged side by side; the first swinging seat (41), the driving seat (42) and the second swinging seat (43) are respectively provided with at least two rows of clamping grooves (111) for clamping at least two rows of material belts (A) inserted with terminals of the socket (B);

the first swinging seat (41) and the second swinging seat (43) are respectively and movably arranged, and the driving seat (42) is respectively in rotating fit with the first swinging seat (41) and the second swinging seat (43);

when the driving seat (42) moves transversely, the first swinging seat (41) and the second swinging seat (43) are driven to swing, and the fixing mechanism (44) comprises a fixing seat (441) for positioning and fixing the socket (B) so as to enable the material belt (A) to move transversely relative to the socket (B) and the terminal and break off the material belt (A) and the terminal.

9. The plugging assembly equipment of connector according to claim 8, wherein an escape gap is formed between two adjacent side surfaces of the first swing seat (41), the driving seat (42) and the second swing seat (43) so as to drive the first swing seat (41) and the second swing seat (43) to swing;

two adjacent side surfaces of the first swinging seat (41), the driving seat (42) and the second swinging seat (43) are respectively provided with a conical inclined surface (45) or an arc surface which protrudes outwards so as to form the avoiding gap on the adjacent side surfaces;

the rotating positions of the first swinging seat (41) and the driving seat (42) are located at the head positions of the adjacent bulges, and the rotating positions of the driving seat (42) and the second swinging seat (43) are located at the head positions of the adjacent bulges.

10. The plugging assembly device of a connector according to claim 8, wherein the device further comprises a third swing seat (47) arranged on a side of the first swing seat (41) facing away from the driving seat (42), the first swing seat (41) and the third swing seat (47) are in rotating fit, an avoidance gap is formed between the first swing seat (41) and the third swing seat (47), and the third swing seat (47) is arranged in a rotating manner;

the side surface of the first swinging seat (41) adjacent to the third swinging seat (47) is a convex conical inclined surface (45) or an arc surface, so that an avoidance gap is formed between the first swinging seat and the third swinging seat (47), and the first swinging seat and the third swinging seat can swing relative to the third swinging seat (47);

the device is still including setting up second swing seat (43) deviates from drive seat (42) one side fourth swing seat (48), second swing seat (43), fourth swing seat (48) normal running fit, form between second swing seat (43), the fourth swing seat (48) and dodge the clearance, fourth swing seat (48) rotate the setting, first swing seat (41) with the side that third swing seat (47) are adjacent is bellied toper inclined plane (45) or cambered surface, with form between third swing seat (47) and dodge the clearance, and can be relative third swing seat (47) swing.

Images