CN214722517U

CN214722517U - Clamping device

Info

Publication number: CN214722517U
Application number: CN202120316147.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-16
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to a vehicle processing equipment technical field discloses a clamping device. The clamping device is used for clamping a vehicle door, and the vehicle door comprises a vehicle door body and an inner door panel; the clamping device comprises a supporting plate, a positioning component, a butting component, a first clamping component and a second clamping component; the positioning assembly is arranged on the support plate and used for positioning the vehicle door; the abutting component is arranged on the supporting plate and used for abutting against the inner surface of the vehicle door body; the first clamping assembly is arranged on the supporting plate and used for clamping the edge position of the vehicle door body; the second clamping assembly is arranged on the supporting plate and used for clamping the inner door panel and enabling the inner door panel to elastically deform towards the direction far away from the inner surface of the vehicle door body. The utility model provides a clamping device can improve the positioning accuracy to the door, promotes steadiness and reliability to the door centre gripping operation, avoids the clamping device to press from both sides after getting the door, takes place relative movement between door and the clamping device.

Description

Clamping device

Technical Field

The utility model relates to a vehicle processing equipment technical field especially relates to a clamping device.

Background

In the automobile assembling process, the automobile door needs to be bonded with the sealing strip, and in the prior art, the automobile door is usually grabbed by a door grab to drive the automobile door to swing according to a set track, so that the sealing strip is bonded to the automobile door. However, the door gripper in the prior art has the following problems: 1) the positioning precision is low; 2) the automobile door and the door gripper are easy to move relatively, so that the bonding precision of the sealing strip on the automobile door is influenced; 3) the vehicle door gripper structure occupies a large space.

SUMMERY OF THE UTILITY MODEL

Based on the above, an object of the utility model is to provide a clamping device to positioning accuracy is low, clamping device takes place the problem of removal relatively easily to the door when solving in the correlation technique to door centre gripping operation.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a clamping device is used for clamping a vehicle door, the vehicle door comprises a vehicle door body and an inner door panel, the clamping device comprises a supporting plate, a positioning assembly, a propping assembly, a first clamping assembly and a second clamping assembly, the positioning assembly is arranged on the supporting plate, and the positioning assembly is used for positioning the vehicle door; the abutting component is arranged on the supporting plate and used for abutting against the inner surface of the vehicle door body; the first clamping assembly is arranged on the supporting plate and is used for clamping the edge position of the vehicle door body; the second clamping assembly is arranged on the supporting plate and used for clamping the inner door panel and enabling the inner door panel to elastically deform towards the direction far away from the inner surface of the vehicle door body.

Optionally, the positioning assembly includes two positioning pins disposed on the support plate, and the positioning pins are used for matching with positioning holes on the vehicle door to position the vehicle door; one of the two positioning pins is a diamond pin, and the other positioning pin is a round pin.

Optionally, the abutting assembly includes a top pillar, one end of the top pillar is disposed on the supporting plate, and the other end of the top pillar is configured to abut against the inner surface of the vehicle door body.

Optionally, the first clamping assembly comprises:

the support is arranged on the support plate;

the first power part is fixed on the support;

the first pressing plate is fixed on the support;

the second pressing plate is fixedly connected with the output end of the first power part, and the first power part can drive the second pressing plate to be close to the first pressing plate so as to clamp the edge of the vehicle door body between the second pressing plate and the first pressing plate.

Optionally, the first power member is a swing clamp cylinder.

Optionally, the second clamping assembly comprises:

the connecting plate is fixed on the supporting plate;

the second power piece is fixed on the connecting plate;

the third pressing plate is fixed on the connecting plate, the third pressing plate is positioned on one side, away from the vehicle door body, of the inner door panel, and a deformation gap is formed between the third pressing plate and the inner door panel;

the fourth pressing plate is fixedly connected to the output end of the second power part, the fourth pressing plate is located on one side, close to the vehicle door body, of the inner door panel, the second power part is used for driving the fourth pressing plate to abut against the inner door panel and enable the inner door panel to elastically deform, and the fourth pressing plate can clamp the inner door panel on the third pressing plate.

Optionally, the second power member is a rotary clamping cylinder.

Optionally, the position of the connecting plate on the supporting plate along a first direction and a second direction is adjustable, the position of the third pressing plate on the connecting plate along a third direction is adjustable, the first direction is perpendicular to the second direction, and the third direction is perpendicular to the first direction and the second direction.

Optionally, the positioning assembly further includes a first mounting seat disposed on the supporting plate, the positioning pin is mounted on the first mounting seat, the first mounting seat is adjustable in position on the supporting plate along a first direction and a second direction, the positioning pin is adjustable in position on the first mounting seat along a third direction, the first direction is perpendicular to the second direction, and the third direction is perpendicular to the first direction and the second direction.

Optionally, the clamping device further comprises a manipulator, the support plate is fixed to an output end of the manipulator, and the manipulator is used for driving the support plate to move.

The utility model has the advantages that:

the utility model provides a clamping device, which realizes reliable positioning of the vehicle door through a positioning component to improve the accuracy of the vehicle door clamping operation; then, the inner surface of the vehicle door body is tightly abutted through the abutting assembly, the edge position of the vehicle door body is clamped through the first clamping assembly, and the inner door plate of the vehicle door is clamped through the second clamping assembly, so that the inner door plate of the vehicle door and the vehicle door body are clamped simultaneously, and the stability and the reliability of the clamping operation of the vehicle door are effectively improved; because the inner door plate of the vehicle door is relatively thin, the second clamping assembly can enable the inner door plate to generate local elastic deformation towards the direction far away from the inner surface of the vehicle door body when clamping the inner door plate, so that the clamping stability of the second clamping assembly on the inner door plate is improved, and the relative movement between the vehicle door and the clamping device is avoided after the clamping device clamps and takes the vehicle door.

Drawings

Fig. 1 is a front view of a clamping device provided in an embodiment of the present invention;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

figure 4 is a front view of a hold-down assembly according to embodiments of the present invention;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a right side view of FIG. 4;

fig. 7 is a front view of a first clamping assembly in accordance with an embodiment of the present invention;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a right side view of FIG. 7;

fig. 10 is a front view of a second clamping assembly in accordance with an embodiment of the present invention;

FIG. 11 is a top view of FIG. 10;

FIG. 12 is a left side view of FIG. 10;

fig. 13 is a partial schematic structural view of a vehicle door and a clamping device according to an embodiment of the present invention (schematically showing positions of a first clamping assembly, a second clamping assembly and a top pillar);

FIG. 14 is a partial structural cross-sectional view of the inner door panel of FIG. 13 in position.

In the figure:

100-vehicle door; 101-a vehicle door body; 102-an inner door panel; 103-positioning holes;

1-a support plate;

21-a positioning pin; 22-a first mount; 23-a first screw block; 24-a third threaded block;

31-a top post; 32-a second mount; 33-a second screw block; 34-a fourth screw block;

4-a first clamping assembly; 41-support; 42-a first power member; 43-a first platen; 44-a second platen;

5-a second clamping assembly; 51-a connecting plate; 52-a second power member; 53-third press plate; 54-fourth platen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 14, the present embodiment provides a clamping device for clamping a vehicle door 100, the vehicle door 100 includes a vehicle door body 101 and an inner door panel 102 disposed inside the vehicle door body 101, and an evasive opening is disposed through the inner door panel 102 to expose a part of an inner surface of the vehicle door body 101. The door 100 of the present embodiment may be, for example, an automobile door. The clamping device of the embodiment comprises a supporting plate 1, a positioning component, a butting component, a first clamping component 4 and a second clamping component 5, wherein the positioning component is arranged on the supporting plate 1 and is used for positioning the vehicle door 100; the abutting component is arranged on the supporting plate 1 and used for abutting against the inner surface of the vehicle door body 101; the first clamping assembly 4 is arranged on the support plate 1, and the first clamping assembly 4 is used for clamping the edge position of the vehicle door body 101; the second clamping unit 5 is disposed on the support plate 1, and the second clamping unit 5 is configured to clamp the inner door panel 102 and elastically deform the inner door panel 102 in a direction away from the inner surface of the door body 101. In this embodiment, the first clamping assembly 4 can be configured as multiple sets, and the second clamping assembly 5 can also be configured as multiple sets, so as to improve the clamping firmness and stability of the vehicle door 100. Preferably, the first clamping assembly 4 of the present embodiment is provided with two sets, which are respectively used for clamping two positions of the vehicle door body 101 close to the vehicle window; the second clamping member 5 is provided with four sets for clamping four positions near the escape opening of the inner door panel 102, respectively.

The utility model provides a clamping device, at first realize the reliable location to door 100 through the locating component, improve the accuracy when the clamping operation to door 100; then, the inner surface of the vehicle door body 101 is tightly abutted through the abutting assembly, the edge position of the vehicle door body 101 is clamped through the first clamping assembly 4, and the inner door panel 102 of the vehicle door 100 is clamped through the second clamping assembly 5, so that the inner door panel 102 of the vehicle door 100 and the vehicle door body 101 are clamped at the same time, and the stability and the reliability of the clamping operation of the vehicle door 100 are effectively improved; because the inner door panel 102 of the vehicle door 100 is relatively thin, the second clamping assembly 5 can enable the inner door panel 102 to generate local elastic deformation towards the direction far away from the inner surface of the vehicle door body 101 while clamping the inner door panel 102, so that the clamping stability of the second clamping assembly 5 on the inner door panel 102 is improved, the relative movement of the vehicle door 100 and the clamping device is avoided after the clamping device clamps the vehicle door 100, and the bonding precision of the sealing strip on the vehicle door 100 in subsequent processing is further improved.

Optionally, the positioning assembly of the present embodiment includes a positioning pin 21, the positioning pin 21 is disposed on the supporting plate 1, and the positioning pin 21 is configured to cooperate with the positioning hole 103 on the vehicle door 100, so as to accurately position the vehicle door 100. Preferably, the number of the positioning pins 21 in the present embodiment is two, and one of the positioning pins 21 is a diamond pin, and the other positioning pin 21 is a circular pin; accordingly, the number of the positioning holes 103 in the door 100 is also two, and one positioning hole 103 is a diamond hole and the other positioning hole 103 is a circular hole. The present embodiment further improves the positioning accuracy of the vehicle door 100 by simultaneously positioning the vehicle door 100 using two positioning pins 21 of different shapes. Of course, in other embodiments, the shape of the positioning pin 21 may be other shapes, such as polygonal, semicircular, elliptical, etc.; moreover, the positioning assembly may also adopt other structures to realize positioning, such as a positioning bump, a positioning slot, and the like, which is not limited to this embodiment.

Further, the positioning pin 21 of the present embodiment can adjust the position relative to the supporting plate 1 along a first direction, a second direction and a third direction, wherein the first direction and the second direction are both located in the plane of the supporting plate 1, the first direction is perpendicular to the second direction, and the third direction is perpendicular to the plane of the supporting plate 1. For convenience of description, the present embodiment establishes an XYZ coordinate system with the directions shown in fig. 1 to 3 and fig. 13, wherein the X direction is a first direction, the Y direction is a second direction, and the Z direction is a third direction. Specifically, as shown in fig. 2, the positioning assembly of the present embodiment further includes a first mounting seat 22 disposed on the support plate 1, the positioning pin 21 is mounted on the first mounting seat 22, the position of the first mounting seat 22 on the support plate 1 along the X direction and the Y direction is adjustable, and the position of the positioning pin 21 relative to the first mounting seat 22 along the Z direction is adjustable. Preferably, in this embodiment, the first mounting seat 22 is provided with a first screw joint block 23 on the left side and/or the right side along the X direction, the first screw joint block 23 is fixed to the support plate 1, a first screw rod is screwed on the first screw joint block 23, and the end of the first screw rod can abut against the first mounting seat 22 by rotating the first screw rod, so as to drive the first mounting seat 22 to move along the X direction, thereby adjusting the position of the first mounting seat 22 in the X direction; first mount pad 22 is equipped with third spiro union piece 24 along the upside and/or the downside of Y direction, and third spiro union piece 24 is fixed in backup pad 1, and the spiro union has the third screw rod on the third spiro union piece 24, enables the tip butt in first mount pad 22 of third screw rod through rotatory third screw rod to order about first mount pad 22 to remove along the Y direction, thereby can adjust the position of first mount pad 22 in the Y direction. After the adjustment is in place, the first mounting seat 22 is fixed to the support plate 1 by a fastener, so as to ensure the stability and reliability of the first mounting seat 22. Further, a waist-shaped hole extending along the Z direction is formed in the first mounting seat 22, and a fastener passes through the waist-shaped hole to be fixedly connected with the positioning pin 21, so that the position of the positioning pin 21 along the Z direction is adjusted. With this arrangement, the positions of the positioning pins 21 in the X direction, the Y direction, and the Z direction can be adjusted so as to adapt the clamping device to the vehicle doors 100 of different sizes, thereby improving the compatibility of the present embodiment.

Optionally, the fastening assembly of the present embodiment includes a pillar 31, one end of the pillar 31 is disposed on the support plate 1, and the other end is configured to fasten to the inner surface of the door body 101. In this embodiment, the top pillar 31 is preferably located close to the second clamping assembly 5 so that the second clamping assembly 5 reliably clamps the inner door panel 102. The number of the top pillars 31 of the present embodiment may be at least two, so as to be able to firmly abut against the door body 101; preferably, the present embodiment is provided with two top pillars 31. Of course, in other embodiments, the abutting assembly may also include structures such as an abutting block and an abutting plate, and the like, which is not limited to the embodiment.

Further, the jack post 31 of the present embodiment can adjust the position in the X direction, the Y direction, and the Z direction with respect to the support plate 1. Specifically, the abutting assembly further comprises a second mounting seat 32 arranged on the support plate 1, the top column 31 is mounted on the second mounting seat 32, the position of the second mounting seat 32 on the support plate 1 along the X direction and the Y direction is adjustable, and the position of the top column 31 relative to the second mounting seat 32 along the Z direction is adjustable. Preferably, in the embodiment, the second mounting seat 32 is provided with a second screw joint block 33 on the left side and/or the right side along the X direction, the second screw joint block 33 is fixed to the support plate 1, a second screw rod is screwed onto the second screw joint block 33, and the end of the second screw rod can abut against the second mounting seat 32 by rotating the second screw rod so as to drive the second mounting seat 32 to move along the X direction, so that the position of the second mounting seat 32 in the X direction can be adjusted; similarly, a fourth screw block 34 is arranged on the upper side and/or the lower side of the second mounting seat 32 along the Y direction, the fourth screw block 34 is fixed on the support plate 1, a fourth screw rod is screwed on the fourth screw block 34, and the end of the fourth screw rod can be abutted against the second mounting seat 32 by rotating the fourth screw rod so as to drive the second mounting seat 32 to move along the Y direction, so that the position of the second mounting seat 32 in the Y direction can be adjusted; after the adjustment is in place, the second mounting seat 32 is fixed to the support plate 1 by a fastener, so as to ensure the stability and reliability of the second mounting seat 32. Furthermore, a waist-shaped hole extending along the Z direction is formed in the second mounting seat 32, and a fastener penetrates through the waist-shaped hole to be fixedly connected with the top column 31, so that the position of the top column 31 along the Z direction is adjusted. With this arrangement, the positions of the jack 31 in the X direction, the Y direction, and the Z direction can be adjusted to adapt the clamping device to the vehicle doors 100 of different sizes, thereby improving the compatibility of the present embodiment.

Alternatively, the first clamping assembly 4 of the present embodiment comprises a support 41, a first power member 42, a first pressure plate 43 and a second pressure plate 44, wherein the support 41 is fixed to the support plate 1; the first power member 42 is fixed to the support 41; the first presser plate 43 is fixed to the holder 41; the second pressing plate 44 is fixedly connected to the output end of the first power member 42, and the first power member 42 can drive the second pressing plate 44 to be close to the first pressing plate 43, so as to clamp the edge of the door body 101 between the second pressing plate 44 and the first pressing plate 43. Preferably, the first power member 42 of the present embodiment is a swing clamping cylinder, and the swing end of the swing clamping cylinder drives the second pressing plate 44 to press against the first pressing plate 43, so as to achieve reliable clamping of the door body 101. In this embodiment, the first clamping assembly 4 is preferably disposed adjacent to a window edge of the vehicle door such that the second clamping plate 44 can be clamped to the door body 101 of the vehicle door through the window. Further, the position of the support 41 of the present embodiment on the support plate 1 in the X direction and the Y direction is adjustable, so that the first clamping assembly 4 is clamped at a proper position of the door body 101, further improving the reliability of clamping; and also improves the compatibility of the clamping device, so that the clamping device can be suitable for the vehicle doors 100 with different sizes. Regarding the adjustment manner of the support 41, the structure of the screw joint block and the screw rod may also be adopted, and specifically, reference may be made to the adjustment manner of the first mounting seat 22, which is not described in detail in this embodiment.

Alternatively, the second clamping assembly 5 of the present embodiment includes a connecting plate 51, a second power member 52, a third pressing plate 53, and a fourth pressing plate 54. Wherein, the connecting plate 51 is fixed on the supporting plate 1; the second power member 52 is fixed to the connecting plate 51; the third pressure plate 53 is fixed on the connecting plate 51, the third pressure plate 53 is positioned on one side of the inner door panel 102 far away from the door body 101, and a deformation gap is formed between the third pressure plate 53 and the inner door panel 102; the fourth pressing plate 54 is fixedly connected to an output end of the second power member 52, the fourth pressing plate 54 is located on one side of the inner door panel 102 close to the door body 101, the second power member 52 is used for driving the fourth pressing plate 54 to be close to and abut against the inner door panel 102, so that the inner door panel 102 is elastically deformed, and the inner door panel 102 located between the fourth pressing plate 54 and the third pressing plate 53 can be clamped tightly through the matching of the fourth pressing plate 54 and the third pressing plate 53. In this embodiment, since the space where the inner door panel 102 of the vehicle door 100 is located is limited, in order to save space, the second power member 52 of this embodiment preferably employs a rotary clamping cylinder, so that the space occupied by the second power member 52 can be effectively reduced, the size of the clamping device can be further reduced, and the vehicle door 100 can be smoothly clamped.

Further, the position of the connecting plate 51 of the present embodiment on the support plate 1 along the X direction and the Y direction is adjustable, and after the position is adjusted, the connecting plate 51 is fixed to the support plate 1 by a fastener; meanwhile, the position of the third pressing plate 53 on the connecting plate 51 in the Z direction is adjustable, and after the adjustment is in place, the third pressing plate 53 is fixed to the connecting plate 51 by a fastener. The arrangement can clamp the second clamping component 5 at a proper position of the inner door panel 102 of the vehicle door 100, so that the clamping reliability is improved; and also improves the compatibility of the clamping device, thereby being applicable to doors 100 of different sizes. Regarding the adjustment manner of the connection plate 51, the structure of the screw block and the screw rod can be adopted, and specifically, reference can be made to the adjustment manner regarding the first mounting seat 22; regarding the adjustment manner of the third pressure plate 53, the structure of the slotted hole and the bolt may also be adopted, and reference may be made to the adjustment manner of the positioning pin 21 specifically, and the structure is not described in detail in this embodiment.

Specifically, the clamping process of the inner door panel 102 of the vehicle door 100 in the present embodiment is as follows: first, the pillar 31 is abutted to the inner surface of the door body 101; then, the third pressing plate 53 is driven to approach the inner door panel 102 (but the third pressing plate 53 is not in contact with the inner door panel 102 at this time, and the distance reserved between the third pressing plate 53 and the inner door panel 102 is about 1-4 mm); then, the second power component 52 drives the fourth pressure plate 54 to move towards the third pressure plate 53, so that the inner door panel 102 is abutted against the third pressure plate 53, the inner door panel 102 is locally and elastically deformed, and the fourth pressure plate 54 and the third pressure plate 53 are matched to clamp the inner door panel 102; therefore, after the clamping device grabs the inner door panel 102 of the vehicle door 100, the vehicle door 100 and the clamping device move relatively, and the clamping precision of the clamping device on the vehicle door 100 is further prevented from being influenced.

Further, the clamping device of this embodiment still includes the manipulator, and backup pad 1 sets up in the output of manipulator, and the manipulator can order about backup pad 1 and each subassembly synchronous motion on it to drive door 100 and move according to setting for the orbit. Specifically, the manipulator of this embodiment may also be a three-axis, four-axis, or five-axis manipulator, etc. to adapt to different machining conditions.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A clamping device for clamping a vehicle door (100), the vehicle door (100) comprising a door body (101) and an inner door panel (102), characterized in that the clamping device comprises:

a support plate (1);

the positioning component is arranged on the support plate (1) and is used for positioning the vehicle door (100);

the abutting component is arranged on the supporting plate (1) and used for abutting against the inner surface of the vehicle door body (101);

a first clamping assembly (4) arranged on the support plate (1), wherein the first clamping assembly (4) is used for clamping the edge position of the vehicle door body (101);

the second clamping assembly (5) is arranged on the supporting plate (1), and the second clamping assembly (5) is used for clamping the inner door panel (102) and enabling the inner door panel (102) to elastically deform in the direction away from the inner surface of the vehicle door body (101).

2. The clamping device according to claim 1, characterized in that the positioning assembly comprises two positioning pins (21) arranged on the support plate (1), the positioning pins (21) being used for cooperating with positioning holes (103) on the vehicle door (100) to position the vehicle door (100); one of the two positioning pins (21) is a diamond pin, and the other one is a round pin.

3. The clamping device of claim 1, wherein the clinch assembly comprises:

the one end of fore-set (31) sets up in backup pad (1), the other end of fore-set (31) is configured to be in the tight contact with the internal surface of door body (101).

4. Clamping device according to claim 1, characterized in that said first clamping assembly (4) comprises:

a support (41) provided to the support plate (1);

a first power member (42) fixed to the support (41);

a first presser plate (43) fixed to the holder (41);

the second pressing plate (44) is fixedly connected to the output end of the first power piece (42), and the first power piece (42) can drive the second pressing plate (44) to be close to the first pressing plate (43) so as to clamp the edge of the vehicle door body (101) between the second pressing plate (44) and the first pressing plate (43).

5. Clamping device according to claim 4, characterized in that the first power member (42) is a swing clamp cylinder.

6. Clamping device according to claim 1, characterized in that said second clamping assembly (5) comprises:

a connecting plate (51) fixed to the support plate (1);

a second power member (52) fixed to the connecting plate (51);

the third pressure plate (53) is fixed to the connecting plate (51), the third pressure plate (53) is located on one side, away from the vehicle door body (101), of the inner door panel (102), and a deformation gap is formed between the third pressure plate (53) and the inner door panel (102);

the fourth pressing plate (54) is fixedly connected to the output end of the second power part (52), the fourth pressing plate (54) is located on one side, close to the vehicle door body (101), of the inner door panel (102), the second power part (52) is used for driving the fourth pressing plate (54) to abut against the inner door panel (102) and enable the inner door panel (102) to elastically deform, and the inner door panel (102) can be clamped on the third pressing plate (53) through the fourth pressing plate (54).

7. Clamping device according to claim 6, characterized in that the second power member (52) is a rotary clamping cylinder.

8. Clamping device according to claim 6, characterized in that the position of the connecting plate (51) on the support plate (1) is adjustable in a first direction and in a second direction, and that the position of the third pressure plate (53) on the connecting plate (51) is adjustable in a third direction, the first direction being perpendicular to the second direction, and the third direction being perpendicular to the first direction and the second direction.

9. Clamping device according to claim 2, characterized in that the positioning assembly further comprises a first mounting seat (22) provided to the support plate (1), the positioning pin (21) being mounted to the first mounting seat (22), the first mounting seat (22) being adjustable in position on the support plate (1) in a first direction and a second direction, the positioning pin (21) being adjustable in position on the first mounting seat (22) in a third direction, the first direction being perpendicular to the second direction, the third direction being perpendicular to the first direction and the second direction.

10. Clamping device according to claim 1, characterized in that the clamping device further comprises a robot, the support plate (1) being fixed to an output of the robot, the robot being adapted to actuate the movement of the support plate (1).