WO2021036356A1

WO2021036356A1 - Pressing and fixing device for automobile part maintenance and pressing method therefor

Info

Publication number: WO2021036356A1
Application number: PCT/CN2020/090830
Authority: WO
Inventors: 张娟娟; 张军玲; 周军奎
Original assignee: 南京涵曦月自动化科技有限公司
Priority date: 2019-08-29
Filing date: 2020-05-18
Publication date: 2021-03-04
Also published as: CN110539259B; CN110539259A

Abstract

Disclosed are a pressing and fixing device for automobile part maintenance and a pressing method therefor, comprising a base plate. A lifting mechanism is arranged at the top end of the base plate, and a lifting frame is mounted on the lifting mechanism; a working platform is fixedly mounted at the middle part of the top end of the lifting frame; the top wall of an inner cavity of the lifting frame is symmetrically provided left and right with electric telescopic devices; the top ends of telescopic rods on the electric telescopic devices penetrate the top wall of the lifting frame and are fixedly connected to fine adjustment screw rods; the outer side of each telescopic rod is sleeved with a pressing plate that matches the working platform; each fine adjustment screw rod is sleeved with a fine adjustment nut in a threaded connection mode; and the outer side of each fine adjustment screw rod is sleeved with a preload spring that matches the pressing plates. According to the present invention, a workpiece is placed on the working platform; the telescopic rods are retracted by means of the electric telescopic devices to then lower the pressing plates, and the pressing plates are pressed down to fasten the workpiece; and finally, the fine adjustment screw rods are rotated to squeeze or release the preload springs to locally re-press or locally release the pressing plates, thereby finely adjusting the position of the workpiece to ensure the pressing quality.

Description

Compression fixing device for repairing auto parts and its compression method

Technical field

The invention relates to the technical field of auto parts repairing, in particular to a pressing and fixing device for auto parts repairing and a pressing method thereof.

Background technique

In recent years, with the continuous progress of industrial technology and the continuous improvement of the economic level, automobiles as traditional luxury goods have entered ordinary people's homes, making automobiles gradually become ordinary commodities from luxury goods. Auto parts are the various units that constitute the entire car and a product that serves the car. There are many types of auto parts. With the improvement of people's living standards, people consume more and more cars, and the market for auto parts becomes larger and larger. In recent years, auto parts manufacturing plants have also developed rapidly.

In the process of car repair, we need to disassemble the car parts before we can repair it. In order to prevent the parts from loosening during the repair process, we need to press and fix the parts. Although the existing accessory fastening device also adopts an automatic drive, after the accessory is placed, the automatic clamping and fastening is realized.

However, the existing automatic fastening device lacks the fine adjustment function, so that once the position deviation occurs after the fastening and clamping, the material can only be re-cut, and the second clamping, or even the third clamping, can ensure the adjustment of the workpiece position and the application operation. The process is not more convenient than manual clamping.

For this reason, the present invention provides a pressing and fixing device for repairing auto parts and a pressing method thereof, which can well solve the above-mentioned problems.

technical problem

The purpose of the present invention is to provide a pressing and fixing device for maintenance of auto parts and a pressing method thereof, so as to solve the above-mentioned problems in the background art.

Technical solutions

In order to achieve the above objectives, the present invention provides the following technical solutions:

A pressing and fixing device for maintenance of auto parts includes a bottom plate. The bottom end of the bottom plate is evenly provided with a number of legs. The top end of the bottom plate is provided with a lifting mechanism. The lifting mechanism is equipped with a lifting frame. It is a rectangular frame structure, the top middle of the lifting frame is fixedly installed with a workbench, and the top wall of the inner cavity of the lifting frame is symmetrically installed with an electric telescopic device. The top end of the telescopic rod on the electric telescopic device penetrates the top wall of the lifting frame and is fixed It is connected with a fine-tuning screw, the outer side of the telescopic rod is sleeved with a pressure plate matched with the worktable, the telescopic rod and the pressure plate are slidingly connected, the threaded connection on the fine-tuning screw is sleeved with a fine-tuning nut, and the outer side of the fine-tuning screw is sleeved There is a pre-tension spring matched with the pressure plate, the end of the pre-tension spring is fixedly connected to the fine adjustment nut, and the height of the lifting frame can be directly adjusted through the lifting mechanism, and then the height of the workbench can be adjusted, which is convenient to meet the requirements of workers of different heights Use; when tightening the workpiece, the workpiece is directly placed on the worktable, and then the telescopic rod is retracted through the electric telescopic device, thereby lowering the pressure plate, using the pressure plate to press down, and tightening the workpiece; finally by rotating the fine-tuning screw to squeeze or relax the pre-tensioning spring , Realize the partial re-pressurization or partial relaxation of the pressure plate, thereby finely adjusting the position of the workpiece, so as to realize the clamping and clamping of the workpiece in one clamping, which greatly improves the clamping and fastening efficiency and guarantees the maintenance efficiency.

In a further embodiment, the lifting mechanism includes a lifting motor and two guide grooves matched with the lifting frame, the guide grooves are U-shaped structures, and the two guide grooves are slidably connected to the left and right sides of the lifting frame, and guide The groove is fixedly installed on the bottom plate, the lifting motor is fixedly installed at the bottom end of the bottom plate, and a lifting screw is rotatably connected to the lifting motor. The top end of the lifting screw penetrates the bottom plate and is threadedly connected to the lifting frame. The lifting motor is rotated in a forward direction. , So as to drive the lifting screw to rotate in the forward direction, and use the lifting screw to push the lifting frame up along the guide groove to adjust the height of the workbench upward; at the same time, the lifting motor is rotated in the reverse direction to drive the lifting screw to rotate in the reverse direction, and the lifting screw pushes the lifting frame Descend along the guide groove to adjust the height of the workbench downwards, which makes the height adjustment of the workbench very convenient and convenient for later operation and use;

The inner cavity of the lifting frame is equipped with an auxiliary supporting plate that cooperates with the lifting screw. The auxiliary supporting plate and the lifting screw are threadedly connected. The auxiliary supporting plate is provided to improve the strength of the lifting frame and can be adjusted in height. The contact area between the lifting screw and the lifting frame improves the pushing stability of the lifting screw to the lifting frame.

In a further embodiment, one end of the leg is provided with a receiving cavity, a hydraulic cylinder is fixedly installed on the top wall of the inner cavity of the receiving cavity, and the bottom end of the hydraulic rod on the hydraulic cylinder is fixedly connected with the receiving cavity A matching stabilization board, the stabilization board is in a sliding connection with the receiving cavity, the bottom end of the stabilization board is fixedly installed with a universal wheel, the universal wheel is a universal self-locking wheel, when the entire device needs to be transferred At the time, the hydraulic rod is extended through the hydraulic cylinder, and the hydraulic rod pushes the stabilizer plate to slide down the storage cavity, thereby lowering the universal wheel, and using the universal wheel to support the entire device, so that the mobility of the entire device is greatly improved, which is convenient Later handling and transfer; when the entire device is working, the hydraulic rod is retracted by the hydraulic cylinder, so as to pull the stabilizer plate up along the storage cavity, so as to put the universal wheel into the storage cavity, and use the outriggers to support the entire device to facilitate the maintenance of the entire device The stability of the whole device improves the stability of the operation of the whole device.

In a further embodiment, the stabilizing plate includes a frame body, the frame body is a rectangular frame body structure, the bottom end of the frame body is provided with an embedding groove, the embedding groove is embedded with a shock-absorbing plate, and the universal The wheel is fixedly installed on the shock-absorbing plate. By setting the shock-absorbing plate and cooperating with the frame, the vibration generated during the traveling of the universal wheel can be effectively reduced, and the smooth operation of the entire device can be ensured.

A pressing method of a pressing fixing device for repairing auto parts includes the following steps:

S1) Feeding: Firstly, adjust the height of the workbench through the lifting motor to facilitate the operation of the staff; then directly place the workpiece to be repaired on the workbench;

S2) Compress the workpiece: The telescopic rod is retracted by the electric telescopic device, thereby lowering the pressure plate, and using the pressure plate to press down, so as to fasten the workpiece on the workbench;

S3) Fine-tuning the workpiece: By rotating the fine-tuning screw, squeeze or loosen the pre-tension spring, the pressure plate can be partially re-pressurized or partially relaxed, so as to finely adjust the position of the workpiece, and finally determine the position of the workpiece for compression;

S4) Unloading: After the workpiece is repaired, extend the telescopic rod directly through the electric telescopic device to support the pressure plate, release the workpiece, and directly unload the workpiece manually.

Beneficial effect

1. In the present invention, the workpiece is directly placed on the workbench, and then the telescopic rod is retracted through the electric telescopic device, thereby lowering the pressure plate, using the pressure plate to press down, and tightening the workpiece; finally by rotating the fine-tuning screw, squeezing or loosening the pre-tensioned spring to achieve Re-press or partially loosen the pressure plate, so as to finely adjust the position of the workpiece, so as to realize the clamping and clamping of the workpiece in one clamping, which greatly improves the clamping and clamping efficiency and guarantees the maintenance efficiency;

2. In the present invention, the lifting motor is rotated forward to drive the lifting screw to rotate forward, and the lifting screw is used to push the lifting frame up along the guide groove to adjust the height of the workbench; at the same time, the lifting motor is rotated in the reverse direction to drive the lifting The screw rotates in the reverse direction, and the lifting screw pushes the lifting frame down along the guide groove, thereby adjusting the height of the worktable downwards, which makes the height adjustment of the worktable very convenient and convenient for later operation and use;

In the present invention, a hydraulic rod is extended through a hydraulic cylinder, and the hydraulic rod pushes the stabilizer plate to slide down the storage cavity, thereby lowering the universal wheel, and using the universal wheel to support the entire device, so that the mobility of the entire device is greatly improved, which is convenient for later Transport and transfer; at the same time, the hydraulic rod is retracted by the hydraulic cylinder, so as to pull the stabilizer plate up along the storage cavity, so as to put the universal wheel into the storage cavity, and use the outriggers to support the entire device, which is convenient to maintain the stability of the entire device and improve the entire device Stability of operation.

Description of the drawings

Figure 1 is a schematic structural diagram of a pressing and fixing device for repairing auto parts;

FIG. 2 is a schematic structural diagram of a partial enlarged view A of a pressing and fixing device for repairing auto parts;

Figure 3 is a schematic structural view of a leg of a pressing and fixing device for repairing auto parts;

Figure 4 is a schematic diagram of the structure of the stabilizing plate in Figure 3;

Fig. 5 is a schematic diagram of a principle diagram of a pressing method of a pressing fixing device for repairing auto parts.

In the picture: 1-bottom plate, 2-legs, 21-receiving cavity, 22-hydraulic cylinder, 23-hydraulic rod, 24-stabilization plate, 241-frame body, 242-inlay groove, 243-shock absorption plate, 25-million To wheel, 3-lifting mechanism, 31-lifting motor, 32-lifting screw, 33-auxiliary support plate, 34-guide groove, 35-bearing, 4-lifting frame, 5-electric telescopic device, 6-telescopic rod, 7 -Pressure plate, 8-workbench, 9-fine-tuning screw, 10-fine-tuning nut, 11-pretension spring.

Embodiments of the present invention

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified, rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that the terms "installed", "connected", and "connected" should be understood in a broad sense unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood through specific circumstances.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Example 1

Please refer to Figure 1-2, a pressing and fixing device for auto parts maintenance, comprising a bottom plate 1, a plurality of legs 2 are evenly provided at the bottom end of the bottom plate 1, and a lifting mechanism 3 is provided at the top of the bottom plate 1. A lifting frame 4 is installed on the lifting mechanism 3. The lifting frame 4 has a rectangular frame structure. A workbench 8 is fixedly installed at the top middle of the lifting frame 4, and an electric telescopic device 5 is installed symmetrically on the top wall of the inner cavity of the lifting frame 4, The top end of the telescopic rod 6 on the electric telescopic device 5 penetrates the top wall of the lifting frame 4 and is fixedly connected with a fine-tuning screw 9. The outer side of the telescopic rod 6 is sheathed with a pressure plate 7 that matches the workbench 8. The telescopic rod There is a sliding connection between 6 and the pressure plate 7. The fine adjustment screw 9 is threaded with a fine adjustment nut 10, and the outside of the fine adjustment screw 9 is sleeved with a pretension spring 11 that matches the pressure plate 7. The end is fixedly connected to the fine adjustment nut 10. The height of the lifting frame 4 can be directly adjusted by the lifting mechanism 3, and then the height of the worktable 8 can be adjusted, which is convenient to meet the needs of workers of different heights; when tightening the workpiece, the workpiece is directly placed on the work On the table 8, then retract the telescopic rod 6 through the electric telescopic device 5, thereby lowering the pressure plate 7, use the pressure plate 7 to press down, and tighten the workpiece; finally, by rotating the fine-tuning screw 9 to squeeze or relax the pre-tensioning spring 11, the pressure plate 7 is realized. The part of the workpiece is pressurized again or partially loosened, so as to finely adjust the position of the workpiece, so as to realize the clamping of the workpiece in one clamping, which greatly improves the clamping and fastening efficiency and ensures the maintenance efficiency.

Example 2

Please refer to Figure 1, the difference from Embodiment 1 is: the lifting mechanism 3 includes a lifting motor 31 and two guide grooves 34 matched with the lifting frame 4, the guide groove 34 is a U-shaped structure, two guides The groove 34 is slidably connected to the left and right sides of the lifting frame 4, the guide groove 34 is fixedly installed on the bottom plate 1, the lifting motor 31 is fixedly installed on the bottom end of the bottom plate 1, and the lifting motor 31 is rotatably connected with a lifting screw 32. The top end of the lifting screw 32 penetrates the bottom plate 1 and is threadedly connected to the lifting frame 4. By rotating the lifting motor 31 in the forward direction, the lifting screw 32 is driven to rotate forward, and the lifting screw 32 is used to push the lifting frame 4 up along the guide groove 34, thereby Adjust the height of the workbench 8 upward; at the same time, rotate the lifting motor 31 in the reverse direction to drive the lifting screw 32 to rotate in the reverse direction. The lifting screw 32 pushes the lifting frame 4 down along the guide groove 34 to adjust the height of the workbench 8 downward. Makes the height adjustment of the workbench 8 very convenient, which is convenient for later operation and use;

The inner cavity of the lifting frame 4 is equipped with an auxiliary supporting plate 33 that cooperates with the lifting screw 32. The auxiliary supporting plate 33 and the lifting screw 32 are threadedly connected, and the auxiliary supporting plate 33 is provided to raise the lifting frame 4 It can increase the contact area of the lifting screw 32 and the lifting frame 4, and improve the pushing stability of the lifting screw 32 to the lifting frame 4.

Example 3

3, the difference from Embodiment 1 is that: one end of the leg 2 is provided with a receiving cavity 21, the top wall of the inner cavity of the receiving cavity 21 is fixedly mounted with a hydraulic cylinder 22, and the hydraulic cylinder 22 is The bottom end of the hydraulic rod 23 is fixedly connected with a stabilizing plate 24 that cooperates with the receiving cavity 21, and the stabilizing plate 24 is in a sliding connection with the receiving cavity 21, and the bottom end of the stabilizing plate 24 is fixedly installed with a universal wheel 25. The universal wheel 25 is a universal self-locking wheel. When the entire device needs to be transferred, the hydraulic rod 23 is extended through the hydraulic cylinder 22, and the hydraulic rod 23 pushes the stabilizer plate 24 to slide down the receiving cavity 21, thereby Lower the universal wheel 25 and use the universal wheel 25 to support the entire device, so that the mobility of the entire device is greatly improved, which is convenient for later handling and transfer; when the entire device is working, the hydraulic rod 23 is retracted by the hydraulic cylinder 22 to pull stability The plate 24 rises along the receiving cavity 21, so that the universal wheel 25 is received in the receiving cavity 21, and the leg 2 is used to support the entire device, which is convenient to maintain the stability of the entire device and improve the stability of the operation of the entire device.

Example 4

4, the difference from Embodiment 3 is: the stabilizing plate 24 includes a frame body 241, the frame body 241 is a rectangular frame structure, the bottom end of the frame body 241 is provided with an embedding groove 242, the embedding The groove 242 is embedded with a shock-absorbing plate 243, and the universal wheel 25 is fixedly installed on the shock-absorbing plate 243. By setting the shock-absorbing plate 243 and cooperating with the frame body 241, the vibration generated during the traveling of the universal wheel 25 can be effectively reduced to ensure The smooth operation of the whole device.

Referring to FIG. 5, the method for pressing a pressing and fixing device for repairing auto parts disclosed in any of the above embodiments includes the following steps:

S1) Loading: First, adjust the height of the workbench 8 through the lifting motor 31 to facilitate the operation of the staff; then directly place the workpiece to be repaired on the workbench 8;

S2) Compressing the workpiece: The telescopic rod 6 is retracted by the electric telescopic device 5, thereby lowering the pressure plate 7, and using the pressure plate 7 to press down, so as to fasten the workpiece on the worktable 8;

S3) Fine-tuning the workpiece: By rotating the fine-tuning screw 9 to squeeze or relax the pre-tension spring 11, the pressure plate 7 can be partially re-pressurized or partially loosened, so as to finely adjust the position of the workpiece, and finally determine the position of the workpiece for compression ；

S4) Unloading: After the workpiece is repaired, extend the telescopic rod 6 directly through the electric telescopic device 5, so as to support the pressure plate 7, release the workpiece, and directly unload the workpiece by hand.

For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description, and therefore it is intended to fall within the claims. All changes within the meaning and scope of the equivalent elements of are included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

In addition, it should be understood that although this specification is described in accordance with the implementation manners, not each implementation manner only includes an independent technical solution. This narration in the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole The technical solutions in the various embodiments can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims

A pressing and fixing device for maintenance of auto parts, comprising a bottom plate (1), characterized in that the bottom end of the bottom plate (1) is evenly provided with a plurality of legs (2), and the top end of the bottom plate (1) is provided with lifting A mechanism (3), a lifting frame (4) is installed on the lifting mechanism (3), the lifting frame (4) has a rectangular frame structure, and a workbench (8) is fixedly installed at the top middle of the lifting frame (4), The top wall of the inner cavity of the lifting frame (4) is symmetrically installed with an electric telescopic device (5), and the top end of the telescopic rod (6) on the electric telescopic device (5) penetrates the top wall of the lifting frame (4) and is fixedly connected There is a fine-tuning screw (9), the outer side of the telescopic rod (6) is sleeved with a pressure plate (7) that matches the workbench (8), and the telescopic rod (6) and the pressure plate (7) are in sliding connection, so The threaded connection of the fine-tuning screw (9) is sleeved with a fine-tuning nut (10), and the outer side of the fine-tuning screw (9) is sleeved with a pre-tightening spring (11) that matches the pressure plate (7), and the pre-tightening spring (11) The end of the connector is fixedly connected to the fine adjustment nut (10).
The pressing and fixing device for repairing auto parts according to claim 1, wherein the lifting mechanism (3) includes a lifting motor (31) and two guide grooves (4) matched with the lifting frame (4). 34). Two guide grooves (34) are slidably connected to the left and right sides of the lifting frame (4), the guide grooves (34) are fixedly installed on the bottom plate (1), and the lifting motor (31) is fixedly installed on the bottom plate (1). ), a lifting screw (32) is rotatably connected to the lifting motor (31), and the top of the lifting screw (32) penetrates the bottom plate (1) and is threadedly connected to the lifting frame (4).
The pressing and fixing device for repairing auto parts according to claim 2, wherein the guide groove (34) is a U-shaped structure.
The pressing and fixing device for repairing auto parts according to claim 2, characterized in that the inner cavity of the lifting frame (4) is equipped with an auxiliary supporting plate (33) matched with the lifting screw (32), There is a threaded connection between the auxiliary support plate (33) and the lifting screw (32).
The pressing and fixing device for repairing auto parts according to claim 1, wherein one end of the leg (2) is provided with a receiving cavity (21), and the inner cavity of the receiving cavity (21) is top A hydraulic cylinder (22) is fixedly installed on the wall, and the bottom end of the hydraulic rod (23) on the hydraulic cylinder (22) is fixedly connected with a stabilizer plate (24) that matches the receiving cavity (21). The stabilizer plate ( 24) There is a sliding connection with the receiving cavity (21), and a universal wheel (25) is fixedly installed at the bottom end of the stabilizing plate (24).
The pressing and fixing device for repairing auto parts according to claim 5, wherein the universal wheel (25) is a universal self-locking wheel.
The pressing and fixing device for repairing auto parts according to claim 5, wherein the stabilizing plate (24) includes a frame body (241), and the frame body (241) has a rectangular frame structure. The bottom end of the body (241) is provided with an embedding groove (242), a shock-absorbing plate (243) is embedded in the embedding groove (242), and the universal wheel (25) is fixedly installed on the shock-absorbing plate (243).
According to any one of claims 1-7, a pressing method of a pressing and fixing device for repairing auto parts, comprising the following steps:

S1) Loading: first adjust the height of the workbench (8) through the lifting motor (31) to facilitate the operation of the staff; then directly place the workpiece to be repaired on the workbench (8);

S2) Compress the workpiece: retract the telescopic rod (6) through the electric telescopic device (5), thereby lowering the pressure plate (7), and press the pressure plate (7) to fasten the workpiece on the worktable (8);

S3) Fine-tuning the workpiece: By rotating the fine-tuning screw (9), squeezing or relaxing the pre-tension spring (11), the pressure plate (7) is partially re-pressurized or partially relaxed, so as to finely adjust the position of the workpiece, and finally determine the workpiece Position, press tightly;

S4) Unloading: After the workpiece is repaired, extend the telescopic rod (6) directly through the electric telescopic device (5) to support the pressure plate (7), release the workpiece, and directly unload the workpiece by hand.