CN211803131U

CN211803131U - Skin stretching device and skin stretching equipment

Info

Publication number: CN211803131U
Application number: CN201922301454.3U
Authority: CN
Inventors: 吴望雄; 林鹏; 尹华林; 汪建华; 李文彬; 唐文必
Original assignee: Yinlong New Energy Co Ltd
Current assignee: Yinlong New Energy Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-30
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a covering stretching device, including the base, base one side is provided with covering clamping unit, and base opposite side fixedly connected with tensile structure and location structure are provided with the response part on the location structure, thereby the removal distance that the location structure was measured to the response part acquires the covering body and rises and draw the volume. The skin stretching equipment comprises a first frame and a second frame, a vehicle body is arranged between the first frame and the second frame, the skin stretching devices are arranged at the end parts of the first frame and the vehicle body, and the skin stretching devices are arranged at the tail parts of the second frame and the vehicle body. The utility model provides a covering stretching equipment rises to pull the automatic accurate control of volume 0.01mm to automobile body covering body, improves the quality of product uniformity and product in the production process, provides data support for the follow-up technological improvement of product, effectively avoids the waste of automobile body covering because of excessive rising and pulling the material that leads to and production man-hour moreover, improves production efficiency.

Description

Skin stretching device and skin stretching equipment

Technical Field

The utility model relates to an automobile manufacturing technical field, in particular to covering stretching device and covering stretching equipment.

Background

At present, the working principle of the cold tension equipment for the skin of the passenger car body is as follows: and fixing one end of the skin to be welded by moving a stretching head on the stretching frame. And then, fixing the other end of the skin on the fixed stretching frame, and stretching the skin through a stretching hydraulic cylinder on the fixed stretching frame to meet the welding process requirement of the skin on the side of the vehicle body. However, because the length of the passenger car skin is longer and is generally in the range of 6-14 meters, the expansion amount of the existing cold expansion equipment is generally between 0.8-1 mm/meter, and therefore the passenger car is inconvenient to measure in a production field. In actual work, generally, an operator produces the equipment in an effect confirmation mode after expanding and pulling the equipment on site, and abnormal sound is easily generated in a vehicle at the later stage due to insufficient expansion and pulling amount of a skin; excessive tension causes the skin to break, and the material causes loss, influences production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a covering stretching device and covering stretching equipment solve the problem of mentioning in the background art.

In order to achieve the above object, the utility model discloses a skin stretching device and skin stretching equipment's concrete technical scheme as follows:

the utility model provides a covering stretching device, includes the base, base one side is provided with covering clamping unit, base opposite side fixedly connected with tensile structure and location structure, the last response part that is provided with of location structure, thereby response part measures location structure's displacement and obtains covering body and rises and draw the volume.

Furthermore, tensile structure includes first tensile structure, first tensile structure is the pneumatic cylinder, and the casing setting of pneumatic cylinder is on the base, and pneumatic cylinder casing bottom is connected with first hydraulic stem, and first hydraulic stem extends base and covering clamping part fixed connection.

Furthermore, location structure includes the position sleeve, position sleeve bottom and base fixed connection, and the position sleeve top is connected with the reference column, and the reference column extends base and covering clamping unit fixed connection.

Further, response part includes distance sensor and mark target locator, and distance sensor sets up on the position sleeve lateral wall, and mark target locator sets up at reference column tip.

Further, the skin stretching device further comprises a controller, and the controller is used for collecting output data of the laser distance sensor.

A skin stretching apparatus comprising a first frame and a second frame, a vehicle body being provided between the first frame and the second frame, the first frame and a vehicle body end portion being provided with a skin stretching device as described above, the second frame and a vehicle body tail portion being provided with a skin stretching device as described above.

Further, the first frame is a movable frame, the bottom end of the first frame is connected with a roller, and a track is arranged at the position matched with the roller, so that the roller can move on the track, and the track is fixed on the ground through bolts.

Furthermore, the second frame is a fixed frame, the second frame is fixedly connected with a motor, the motor drives the second frame to vertically move, and the first frame horizontally moves on the track.

The utility model discloses a covering stretching device and covering stretching equipment have following advantage: the utility model provides a covering stretching device and covering stretching equipment, the utility model automatically and accurately monitors the expansion amount of the covering of the vehicle body by 0.01mm, improves the product consistency and the product quality in the production process, and provides data support for the subsequent technical improvement of the product; moreover, the waste of materials and production working hours caused by excessive tension of the vehicle body skin is effectively avoided, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the skin stretching apparatus of the present invention;

fig. 2 is the structural schematic diagram of the skin stretching device of the present invention.

Description of reference numerals: 1. a first frame; 2. a bolt; 3. a roller; 4. a track; 5. a skin stretching device; 51. a skin clamping component; 52. a base; 53. a first tensile structure; 531. a first hydraulic lever; 54. an inductive component; 55. a target locator; 56. a positioning column; 57. a positioning sleeve; 58. a second tensile structure; 581. a second hydraulic rod; 6. a second frame; 7. a skin body; 8. an electric motor.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the skin stretching device and skin stretching apparatus of the present invention will be described in further detail with reference to the attached drawings 1-2.

As shown in fig. 2, the utility model provides a covering stretching device, including base 52, base 52 one side is provided with covering clamping part 51, and base 52 opposite side fixedly connected with tensile structure and location structure are provided with response part 54 on the location structure, thereby response part 54 measures location structure's displacement and obtains covering body 7 expansion and draw volume.

The utility model provides a covering stretching device presss from both sides tightly covering body 7 through covering clamping unit 51, and the covering setting is in automobile body one side, and base 52 one side and covering clamping unit 51 are provided with the interval, and this interval is the region of covering expansion and draw volume promptly, and base 52 one side is provided with tensile structure, and tensile structure includes first tensile structure 53 and second tensile structure 58, and first tensile structure 53 is the same with the structure of second tensile structure 58, sets up respectively in location structure both sides, uses first tensile structure 53 to specifically explain below.

The first stretching structure 53 is a hydraulic cylinder, a shell of the hydraulic cylinder is arranged on the base 52, a first hydraulic rod 531 is connected to the bottom of the shell of the hydraulic cylinder, and the first hydraulic rod 531 extends out of the base 52 to be fixedly connected with the skin clamping component 51.

The second stretching structure 58 is a hydraulic cylinder, a shell of the hydraulic cylinder is arranged on the base 52, a second hydraulic rod 581 is connected to the bottom of the shell of the hydraulic cylinder, and the second hydraulic rod 581 extends out of the base 52 to be fixedly connected with the skin clamping component 51.

Further, the positioning structure comprises a positioning sleeve 57, the bottom of the positioning sleeve 57 is fixedly connected with the base 52, the top of the positioning sleeve 57 is connected with a positioning column 56, and the positioning column 56 extends out of the base 52 and is fixedly connected with the skin clamping component 51. So that first hydraulic lever 531, second hydraulic lever 581 and positioning post 56 telescope to move the skin clamp.

Further, response part 54 includes distance sensor and mark target locator 55, and distance sensor sets up on location sleeve 57 lateral wall, and mark target locator 55 sets up at reference column 56 tip, detects the removal of mark target locator 55 through distance sensor, and the displacement distance between reference column 56 and the base 52 sleeve has realized the quick accurate measurement to the skin amount of pulling that rises.

Preferably, the distance sensor is a laser distance sensor to determine the distance moved by the target positioner 55.

Furthermore, the skin stretching device also comprises a controller, and the controller is used for collecting output data of the laser distance sensor, so that accurate measurement of the final skin expansion and tension amount of each working result can be realized.

The utility model also provides a covering stretching equipment, including above the covering stretching device. Specifically, the skin stretching equipment comprises a first frame 1 and a second frame 6, a vehicle body is arranged between the first frame 1 and the second frame 6, a skin stretching device 5 is arranged at the end part of the first frame 1 and the vehicle body, the skin stretching device 5 is arranged at the tail part of the second frame 6 and the vehicle body, the skin stretching device 5 arranged between the second frame 6 and the tail part of the vehicle body plays a role in stretching a skin body 7, and the skin stretching device 5 arranged at the end part of the first frame 1 and the vehicle body plays a role in clamping the skin body 7, so that accurate stretching of the skin body 7 is realized.

Further, first frame 1 is moving frame, and the bottom of first frame 1 is connected with gyro wheel 3, is provided with track 4 with gyro wheel 3 matched with position to realize that gyro wheel 3 moves on track 4, track 4 passes through bolt 2 to be fixed subaerial. The second frame 6 is a fixed frame, the second frame 6 is fixedly connected with a motor 8, the motor 8 drives the second frame 6 to vertically move, and the first frame 1 horizontally moves on the track 4.

The utility model provides a covering stretching equipment mainly uses and rises to draw at passenger train automobile body covering, and 7 longer usually are 6 to 14 meters of length of general passenger train covering body, thereby remove to the covering through the removal of first frame 1 and rise to draw required position in order to adapt to the passenger train covering of different length, rises to draw carrying out the covering.

The utility model provides a covering drawing equipment sets up the automobile body both sides respectively to the realization rises to draw the automobile body side covering.

The utility model provides a covering stretching equipment realizes rising the accurate control of pulling volume 0.01mm to the automobile body covering, improves product uniformity in the production process, improves the quality of product and provides data for the follow-up technological improvement of product, effectively avoids the automobile body covering because of excessive rising pull the material that leads to and produce man-hour extravagant, promotes production efficiency.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The skin stretching device is characterized by comprising a base (52), wherein a skin clamping component (51) is arranged on one side of the base (52), a stretching structure and a positioning structure are fixedly connected to the other side of the base (52), a sensing component (54) is arranged on the positioning structure, and the sensing component (54) is used for measuring the moving distance of the positioning structure so as to obtain the stretching amount of a skin body (7).

2. The skin stretching device of claim 1, wherein the stretching structure comprises a first stretching structure (53), the first stretching structure (53) is a hydraulic cylinder, a shell of the hydraulic cylinder is arranged on the base (52), a first hydraulic rod (531) is connected to the bottom of the shell of the hydraulic cylinder, and the first hydraulic rod (531) extends out of the base (52) and is fixedly connected with the skin clamping component (51).

3. The skin stretching device of claim 1, wherein the positioning structure comprises a positioning sleeve (57), the bottom of the positioning sleeve (57) is fixedly connected with the base (52), a positioning column (56) is connected to the top of the positioning sleeve (57), and the positioning column (56) extends out of the base (52) and is fixedly connected with the skin clamping component (51).

4. The skin stretching device of claim 3, wherein the sensing component (54) comprises a distance sensor and a target locator (55), the distance sensor being disposed on a sidewall of the locating sleeve (57), the target locator (55) being disposed at an end of the locating post (56).

5. The skin stretching device of claim 1, wherein the skin stretching device (5) further comprises a controller for collecting output data of the laser distance sensor.

6. Skin stretching apparatus, comprising a first frame (1) and a second frame (6), between which first frame (1) and second frame (6) a vehicle body is arranged, the first frame (1) and the vehicle body end being provided with a skin stretching device according to any of claims 1-5, the second frame (6) and the vehicle body end being provided with a skin stretching device according to any of claims 1-5.

7. The skin stretching device of claim 6, wherein the first frame (1) is a movable frame, the bottom end of the first frame (1) is connected with a roller (3), a track (4) is arranged at a position matched with the roller (3) so as to realize the movement of the roller (3) on the track (4), and the track (4) is fixed on the ground through the bolt (2).

8. The skin stretching apparatus of claim 6, wherein the second frame (6) is a fixed frame, the second frame (6) is fixedly connected with a motor (8), the motor (8) drives the second frame (6) to move vertically, and the first frame (1) moves horizontally on the track (4).