CN212706046U

CN212706046U - Automatic polishing system for oxide layer removal of welding bead of automobile door frame

Info

Publication number: CN212706046U
Application number: CN202020714763.3U
Authority: CN
Inventors: 钟益林; 罗朝颖
Original assignee: Guangzhou Minhui Automobile Parts Co Ltd
Current assignee: Guangzhou Minhui Automobile Parts Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-03-16
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses an automatic system of polishing of oxidation layer is removed to car door frame welding bead, include: the working platform is obliquely arranged and is provided with a working table surface; the four clamping units are used for fixing the door frame of the automobile, wherein two clamping units are arranged on the upper side of the working table, one clamping unit is arranged on the left side of the working table, and the other clamping unit is arranged on the right side of the working table; the linear feeding cylinder is arranged on the lower side of the working table, the extending end of the linear feeding cylinder is provided with the grinding machine, and the working end of the grinding machine is provided with the grinding head. The utility model discloses a fix the car door frame behind the clamping unit, the end that stretches out of straight line feed cylinder stretches out, orders about the polisher along rectilinear movement, and the polishing head is polished on the car door frame along with the rectilinear movement of polisher, gets rid of the oxide layer on welding bead surface, guarantees the quality that the welding bead oxide layer got rid of, and the injury of oxide layer in-process to product appearance is got rid of in the reduction of at utmost, guarantees product appearance quality.

Description

Automatic polishing system for oxide layer removal of welding bead of automobile door frame

Technical Field

The utility model relates to a polishing equipment in the automobile parts production research field especially relates to an automatic system of polishing of car door frame welding bead deoxidation layer.

Background

The surface of a welding bead of the door frame is attached with an oxide layer after welding, and the oxide layer can easily cause the door frame to be defective in the coating process. At present, door frame weld bead polishing is completed through a robot, but due to the fact that some positions are special, the space for operation of the robot is very limited, the existing equipment cannot complete removal of weld bead oxidation layers, and an operator needs to perform manual polishing removal through a polisher. And the quality of the oxide layer removed by manual polishing is difficult to ensure. In addition, in the manual polishing process, due to the fact that the operable space is very limited, the appearance of the product is damaged when the manual polishing is carried out slightly improperly, the damaged product has to be repaired slightly, and only scrapping treatment can be carried out when the damaged product is not repaired slightly seriously, so that the labor intensity of workers is increased invisibly, unnecessary working hours are wasted, the production cost is increased, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide an automatic system of polishing of car door frame welding bead deoxidation layer, replace original manual work mode, reduce operator's intensity of labour, improve production efficiency.

According to the utility model discloses an embodiment of the first aspect provides an automatic system of polishing of oxidation layer is removed to car door frame welding bead, include:

the working platform is obliquely arranged and is provided with a working table surface;

the four clamping units are used for fixing the door frame of the automobile, wherein two clamping units are arranged on the upper side of the working table, one clamping unit is arranged on the left side of the working table, and the other clamping unit is arranged on the right side of the working table;

the linear feeding cylinder is installed on the lower side of the working table, the extending end of the linear feeding cylinder is provided with a grinding machine, and the working end of the grinding machine is provided with a grinding head.

According to the utility model discloses system of polishing of first aspect embodiment, the axis of polishing head rotation is perpendicular with the straight line that the flexible route of the end that stretches out of sharp feed cylinder is located.

According to the utility model discloses the system of polishing, each clamping unit fixes the compact heap at die clamping cylinder including fixing location frame, die clamping cylinder and the one end on table surface, and the compact heap is articulated in the frame of location through the axle, be equipped with the location chamber in the frame of location, under die clamping cylinder's flexible action, the compact heap is tight or is relaxed with car door frame clamp round the rotation of axle.

According to the utility model discloses the system of polishing, still including setting up at the first stopper of table surface upside, setting at the left second stopper of table surface and setting up the third stopper on table surface right side.

According to the utility model discloses system of polishing of first aspect embodiment, the contained angle of work platform and vertical direction is 40 ~ 70.

According to the utility model discloses the system of polishing in the embodiment of the first aspect, work platform sets up in moving the frame, and the lower terminal surface that moves the frame is equipped with a plurality of pulley.

According to the utility model discloses the system of polishing, still including fixing the fixed frame on ground, fixed frame has the opening that is convenient for remove the frame business turn over, is equipped with the guide piece on the lateral wall of opening both sides.

According to the utility model discloses the system of polishing, still include to remove the frame and fix the locking unit at fixed frame, the locking unit is including fixing the locking cylinder at fixed frame, installing at the fitting pin of locking cylinder execution end and setting at the locking hole of removing the frame.

The utility model has the advantages that: the utility model discloses a fix the car door frame behind the clamping unit, the end that stretches out of straight line feed cylinder stretches out, orders about the polisher along rectilinear movement, and the polishing head is polished on the car door frame along with the rectilinear movement of polisher, gets rid of the oxide layer on welding bead surface, guarantees the quality that the welding bead oxide layer got rid of, and the injury of oxide layer in-process to product appearance is got rid of in the reduction of at utmost, guarantees product appearance quality. The utility model provides high production efficiency reduces the intensity of labour of operator's operation.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, an automatic polishing system for a deoxidized layer of a weld bead of an automobile door frame comprises:

a working platform 10 arranged obliquely and provided with a working table surface 11;

four clamping units for fixing the automobile door frame, wherein two clamping units are arranged on the upper side of the working table 11, one clamping unit is arranged on the left side of the working table 11, and the other clamping unit is arranged on the right side of the working table 11, wherein each clamping unit comprises a positioning rack fixed on the working table 11, a clamping cylinder 12 and a pressing block 13, one end of each pressing block is fixed on the clamping cylinder 12, the pressing block 13 is hinged on the positioning rack through a shaft, a positioning cavity is arranged on the positioning rack, and under the telescopic action of the clamping cylinder 12, the pressing block 13 rotates around the shaft to clamp or loosen the automobile door frame;

and the linear feeding cylinder 25 is arranged on the lower side of the working table surface 11, the extending end of the linear feeding cylinder 25 is provided with a grinding machine 26, and the working end of the grinding machine 26 is provided with a grinding head 24.

Of course, the electric cabinet 15 and the program control box 16 are also included for controlling the working states of the linear feed cylinder 25, the clamping cylinder 12 and the sander 26, and the program control box 16 has an operation interface through which the rotation speed of the sander 26 and the feed speed of the linear feed cylinder 25 can be adjusted.

After an operator places an automobile door frame into a positioning cavity of four clamping units, an action end of each clamping cylinder 12 extends out to drive the pressing block 13 to rotate, after the pressing block 13 presses the automobile door frame, the automobile door frame is fixed in the positioning cavity, the grinding machine 26 works to drive the grinding head 24 to rotate, the linear feeding cylinder 25 pushes the grinding machine 26 at a preset feeding speed, and the grinding head 24 is ground on the automobile door frame along a straight line.

In some embodiments, the axis of rotation of the sanding head 24 is perpendicular to the line of the telescopic path of the protruding end of the linear feed cylinder 25. Specifically, the grinding machine 26 and the linear feeding cylinder 25 are arranged in parallel, and the grinding head 24 is arranged on the side surface of the grinding machine 26, so that the grinding machine 26 is prevented from interfering with an automobile door frame in the grinding process and damaging the outer surface of the automobile door frame.

In some embodiments, the table further comprises a first stopper 23 disposed on the upper side of the table top 11, a second stopper 14 disposed on the left side of the table top 11, and a third stopper 22 disposed on the right side of the table top 11. When placing the car door frame, first stopper 23, second stopper 14 and third stopper 22 play spacing and guide effect, and the operating personnel of being convenient for places the car door frame fast and places the intracavity.

In some embodiments, the included angle between the working platform 10 and the vertical direction is 40 ° to 70 °. Specifically, the included angle between the working platform 10 and the vertical direction is 45 degrees, so that an operator can conveniently place and position the automobile door frame.

In some embodiments, the working platform 10 is disposed on a moving frame 21, and a plurality of pulleys 18 are disposed on a lower end surface of the moving frame 21, and the pulleys 18 enable the moving frame 21 to move to a designated position quickly. In actual production, because the models of automobiles are different and the shapes of automobile door frames are different, different clamping units can be installed on different working platforms 10 and different movable racks 21, and the automobile door frames of different models can be quickly switched by sliding the movable racks 21 in the production process.

In some embodiments, the mobile terminal further comprises a fixed frame 20 fixed on the ground, the fixed frame 20 has an opening 19 for facilitating the access of the mobile frame 21, and the guide blocks 17 are arranged on the side walls of the opening 19 at two sides. The moving frame 21 moves along with the pulley 18 and enters the fixed frame 20 through the opening 19, and the guide block 17 prevents the moving frame 21 from colliding with the fixed frame 20. In addition, the electrical cabinet 15 and the program control box 16 are disposed on the fixing frame 20, and the fixing frame 20 is provided with electrical connectors, so that the clamping cylinder 12, the linear feed cylinder 25 and the sander 26 can be quickly electrically connected with the electrical cabinet 15 and the program control box 16.

In some embodiments, a locking unit for fixing the movable frame 21 to the fixed frame 20 is further included, and the locking unit includes a locking cylinder fixed to the fixed frame 20, a locking pin installed at an execution end of the locking cylinder, and a locking hole provided at the movable frame 21. The movable frame 21 moves along with the pulley 18, enters the fixed frame 20 from the opening 19, the actuating end of the locking cylinder extends out, and the locking pin extends out and then is inserted into the locking hole to fix the movable frame 21.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides an automatic system of polishing of oxidation layer is removed to car door frame welding bead which characterized in that includes:

2. The automatic polishing system for the deoxidation layer of the weld bead of the automobile door frame according to claim 1, wherein: the axis of the grinding head is perpendicular to the straight line of the extension end telescopic path of the linear feeding cylinder.

3. The automatic polishing system for the deoxidation layer of the weld bead of the automobile door frame according to claim 1, wherein: each clamping unit comprises a positioning rack fixed on the working table surface, a clamping cylinder and a pressing block with one end fixed on the clamping cylinder, the pressing block is hinged on the positioning rack through a shaft, a positioning cavity is arranged on the positioning rack, and under the telescopic action of the clamping cylinder, the pressing block rotates around the shaft to clamp or loosen the automobile door frame.

4. The automatic polishing system for the deoxidation layer of the weld bead of the automobile door frame according to claim 1, wherein: the automatic positioning device is characterized by further comprising a first limiting block arranged on the upper side of the working table, a second limiting block arranged on the left side of the working table and a third limiting block arranged on the right side of the working table.

5. The automatic polishing system for the deoxidation layer of the weld bead of the automobile door frame according to claim 1, wherein: the included angle between the working platform and the vertical direction is 40-70 degrees.

6. The automatic polishing system for the deoxidation layer of the weld bead of the door frame of the automobile according to any one of claims 1 to 5, wherein: the working platform is arranged on the movable rack, and a plurality of pulleys are arranged on the lower end face of the movable rack.

7. The automatic polishing system for the oxide removal layer of the weld bead of the door frame of an automobile according to claim 6, wherein: the movable rack is characterized by further comprising a fixed frame fixed on the ground, the fixed frame is provided with an opening facilitating the moving of the movable rack, and guide blocks are arranged on the side walls of two sides of the opening.

8. The automatic polishing system for the deoxidation layer of the weld bead of the automobile door frame according to claim 7, wherein: the locking unit is fixed at the fixed frame of the mobile frame and comprises a locking cylinder fixed at the fixed frame, a locking pin arranged at the execution end of the locking cylinder and a locking hole arranged at the mobile frame.