CN212043920U

CN212043920U - Automatic grinding device of car die casting

Info

Publication number: CN212043920U
Application number: CN202020212913.0U
Authority: CN
Inventors: 曹亮; 李霈晨; 李健军; 麦妃陆; 周焕叁; 武文慧
Original assignee: Foshan Hoyang Metal Technology Co ltd
Current assignee: Foshan Hoyang Metal Technology Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-12-01
Anticipated expiration: 2030-02-26

Abstract

The utility model provides an automatic polishing device for automobile die castings, which comprises a frame, a feeding table, a blanking box, an mechanical arm, an angle grinder and a pneumatic polishing device, wherein the feeding table, the blanking box, the mechanical arm, the angle grinder and the pneumatic polishing device are arranged at the top of the frame; the feeding table is used for positioning and placing a workpiece to be processed; the angle grinder is used for grinding burrs on a parting surface of a workpiece; the pneumatic polishing device is used for polishing the pits and bulges at the strong tendons and edges of the workpiece; the mechanical arm is provided with a workpiece taking clamp, and the mechanical arm is used for conveying a workpiece to the angle grinder and the pneumatic grinding device from the feeding table for grinding through the workpiece taking clamp and putting the ground workpiece into the discharging box. The polishing equipment has high automation degree and high production efficiency, and can greatly reduce the labor intensity of workers.

Description

Automatic grinding device of car die casting

Technical Field

The utility model relates to a metal processing technology field especially relates to an automatic grinding device of car die casting.

Background

In some metal parts (as shown in fig. 6) of an automobile, after casting, parting surface burrs, pits and protrusions generated by cracking of a mold, such as reinforcing ribs and edges, need to be removed.

It is seen that the prior art is susceptible to improvements and enhancements.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, the utility model aims to provide an automatic grinding device of car die casting, its degree of automation is high, and production efficiency is high, can reduce workman's intensity of labour widely.

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

an automatic polishing device for automobile die castings comprises a base, a feeding table, a blanking box, a mechanical arm, an angle grinder and a pneumatic polishing device, wherein the feeding table, the blanking box, the mechanical arm, the angle grinder and the pneumatic polishing device are arranged at the top of the base; the feeding table is used for positioning and placing a workpiece to be processed; the angle grinder is used for grinding burrs on a parting surface of a workpiece; the pneumatic polishing device is used for polishing the pits and bulges at the strong tendons and edges of the workpiece; the mechanical arm is provided with a workpiece taking clamp, and the mechanical arm is used for conveying a workpiece to the angle grinder and the pneumatic grinding device from the feeding table for grinding through the workpiece taking clamp and putting the ground workpiece into the discharging box.

In the automatic polishing device for the automobile die castings, the pneumatic polishing device comprises a support fixedly connected with the top of the base, a first air cylinder fixed on the support and a polishing head connected with a piston rod of the first air cylinder; the polishing head is a prism-like polishing head which is coaxial with the piston rod of the first cylinder, and the side surface of the polishing head is used for polishing a workpiece.

In the automatic grinding device for the automobile die castings, the mechanical arm is a six-axis mechanical arm.

In the automatic grinding device for the automobile die castings, the workpiece taking clamp comprises an L-shaped base plate consisting of a transverse plate part and a vertical plate part, a connecting column arranged at the top of the transverse plate part and used for being connected with a mechanical arm, a second cylinder fixedly connected to the bottom of the transverse plate part, and a clamping block connected with a piston rod of the second cylinder; the clamping block can reciprocate along the direction vertical to the vertical plate part under the driving of the second air cylinder, and the clamping block and the vertical plate part are jointly used for clamping a workpiece.

In the automatic grinding device for the automobile die castings, the top of the base is further provided with an upper frame, a surrounding plate is arranged on the upper frame, a closed space is formed above the base by the surrounding plate, and the feeding table, the mechanical arm, the angle grinder and the pneumatic grinding device are all arranged in the closed space.

In the automatic grinding device for the automobile die castings, the blanking box comprises a box part arranged outside the closed space and a sliding groove part communicated with the box part and obliquely and upwardly extending into the closed space.

In the automatic polishing device for the automobile die castings, the feeding table comprises a sliding table in sliding connection with the top of the base, a third cylinder for driving the sliding table to move in a reciprocating manner, and a plurality of workpiece positioning seats arranged on the sliding table; the workpiece positioning seat is used for positioning and placing a workpiece; an inlet and an outlet are arranged on the position, opposite to the feeding table, of the enclosing plate, and the sliding table can be driven by the third cylinder to enter and exit from the inlet and the outlet.

In the automatic grinding device for the automobile die castings, the feeding table further comprises at least two sliding rail assemblies; each sliding rail assembly comprises a first sliding rail fixed to the top of the base, a second sliding rail fixedly connected with the bottom of the sliding table and a connecting beam arranged between the first sliding rail and the second sliding rail in parallel, the bottom of one inward end of the connecting beam is connected with the first sliding rail in a sliding mode through a first sliding block, and the top of one outward end of the connecting beam is connected with the second sliding rail in a sliding mode through a second sliding block.

In the automatic grinding device for the automobile die castings, the feeding table further comprises at least one positioning assembly; each positioning component comprises a mounting seat fixed on the top of the machine base and a travel switch arranged on the mounting seat; when the sliding table moves inwards to a proper position, the travel switch can be triggered.

In the automatic grinding device for the automobile die castings, the gate plate capable of moving up and down is arranged at the inlet and the outlet, and the upper rack is provided with a fourth cylinder for driving the gate plate to move up and down.

Has the advantages that:

the utility model provides a pair of automatic grinding device of car die casting, the workman only need put into the material loading bench to the work piece location of treating processing, and the arm can take out the work piece automatically and send the angle mill and pneumatic grinding device department to polish in proper order, sends into blanking box at last, and degree of automation is high, compares with artifical manual mode of polishing, and production efficiency is higher, can reduce workman's intensity of labour widely.

Drawings

Fig. 1 is the utility model provides an automatic grinding device of car die casting's perspective view.

Fig. 2 is the utility model provides an automatic grinding device of car die casting's rear view.

Fig. 3 is the utility model provides an automatic grinding device of car die casting who contains upper bracket's perspective view.

Fig. 4 is the utility model provides an automatic grinding device of car die casting who contains bounding wall's perspective view.

Fig. 5 is the utility model provides an among the automatic grinding device of car die casting, the schematic structure diagram of material loading platform.

Fig. 6 is a schematic structural diagram of a workpiece processed by the automatic grinding device for automobile die castings provided by the utility model.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The following disclosure provides embodiments or examples for implementing different configurations of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1-5, the utility model provides an automatic polishing device for automobile die castings, which comprises a base 1, a feeding table 2 arranged on the top of the base, a blanking box 3, a mechanical arm 4, an angle grinder 5 and a pneumatic polishing device 6; the feeding table 2 is used for positioning and placing a workpiece 90 to be processed; the angle grinder 5 is used for grinding burrs on a parting surface of a workpiece; the pneumatic polishing device 6 is used for polishing the pits and bulges at the strong tendons and edges of the workpiece; the mechanical arm 4 is provided with a workpiece taking clamp 7, the mechanical arm 4 is used for conveying the workpiece 90 from the feeding table 2 to the angle grinder 5 and the pneumatic grinding device 6 through the workpiece taking clamp 7 for grinding, and the ground workpiece 90 is placed into the discharging box 3.

During operation, a worker only needs to position and place a workpiece 90 to be machined on the feeding table, the mechanical arm 4 can automatically take out the workpiece 90 according to a preset program path and sequentially send the workpiece 90 to the angle grinder 5 and the pneumatic grinding device 6 for grinding, and finally the workpiece is sent into the blanking box 3.

In some embodiments, the angle grinder 5 is fixed to an angle grinder support 5.1, and the angle grinder support 5.1 is fixedly connected to the top of the machine base 1, as shown in fig. 1 and 2.

Specifically, as shown in fig. 1, the pneumatic polishing device 6 comprises a support 6.1 fixedly connected with the top of the base 1, a first cylinder 6.2 fixed on the support, and a polishing head 6.3 connected with a piston rod of the first cylinder; the polishing head 6.3 is a prism-like polishing head arranged coaxially with the piston rod of the first cylinder 6.2, the side surface of which is used for polishing the workpiece 90. During operation, the first cylinder 6.2 drives the polishing head 6.3 to reciprocate, and the mechanical arm 4 polishes the position to be polished on the workpiece close to the side face of the polishing head 6.3. The specific size of the polishing head can be set according to the size of the workpiece 90 so as to ensure that the polishing head can extend into the reinforcing ribs and edges to be polished.

In some embodiments, the robotic arm 4 is a six-axis robotic arm, as is known in the art.

Specifically, as shown in fig. 5, the workpiece taking clamp 7 comprises an L-shaped base plate 7.1 consisting of a transverse plate portion 7.1a and a vertical plate portion 7.1b, a connecting column 7.2 arranged at the top of the transverse plate portion 7.1a and used for being connected with the mechanical arm 4, a second cylinder 7.3 fixedly connected at the bottom of the transverse plate portion 7.1b, and a clamping block 7.4 connected with a piston rod of the second cylinder 7.3; the clamping block 7.4 can be driven by the second air cylinder to move in a reciprocating mode in the direction perpendicular to the vertical plate portion 7.1b, and the clamping block 7.4 and the vertical plate portion 7.1b are used for clamping the workpiece 90 together. Wherein the top of the connecting column 7.2 is provided with a flange part for connecting with the mechanical arm 4. When the clamping block 7.4 is moved towards the upright 7.1b, the workpiece 90 can be clamped (as shown in fig. 5).

In some preferred embodiments, see fig. 3 and 4, the top of the machine base 1 is further provided with an upper machine frame 8, the upper machine frame is provided with a coaming 9, the upper part of the machine base 1 is enclosed by the coaming 9 to form a closed space, and the feeding table 3, the mechanical arm 4, the angle grinder 5 and the pneumatic grinding device 6 are all arranged in the closed space. When the workpiece is polished in an open space in the prior art, a large amount of dust is generated, the dust can be scattered in a workshop to pollute the environment, and the dust is easily sucked by workers and harms the health of the workers; the shroud 9 is provided here to avoid dust scattering.

Further, as shown in fig. 1, the blanking box 3 includes a box portion 3.1 disposed outside the enclosed space, and a chute portion 3.2 communicating with the box portion and extending obliquely upward into the enclosed space. The ground workpiece 90 is placed in the sliding groove part 3.2, and the workpiece can automatically slide out to the box part 3.1 under the action of gravity so as to be taken out.

Further, as shown in fig. 5, the feeding table 2 includes a sliding table 2.1 slidably connected to the top of the base 1, a third cylinder 2.2 for driving the sliding table to reciprocate, and a plurality of workpiece positioning seats 2.3 disposed on the sliding table 2.1; the workpiece positioning seat 2.3 is used for positioning and placing the workpiece 90; an access 9.1 (as shown in fig. 4) is arranged on the enclosing plate 9 at a position opposite to the feeding table 2, and the sliding table 2.1 can enter and exit from the access 9.1 under the driving of a third cylinder. When the workpiece 90 to be processed needs to be placed, the third cylinder pushes the sliding table 2.1 out of the closed space so as to facilitate placement by workers, and the sliding table is retracted into the closed space after placement is completed; a button can be arranged beside the entrance 9.1, when a worker finishes placing a workpiece, the worker can press the button, and the sliding table 2.1 is retracted into the closed space.

Specifically, one end of the third cylinder 2.2 is fixedly connected with the top of the base 1, and the other end (namely the end part of the piston rod) is connected with the bottom of the sliding table 2.1.

Further, as shown in fig. 5, the feeding table 2 further includes at least two slide rail assemblies 2.4; each sliding rail assembly 2.4 comprises a first sliding rail 2.4a fixed to the top of the base 1, a second sliding rail 2.4b fixedly connected with the bottom of the sliding table 2.1, and a connecting beam 2.4c arranged between the first sliding rail 2.4a and the second sliding rail 2.4b in parallel, wherein the bottom of the inward end (i.e., the end pointing to the enclosed space) of the connecting beam 2.1c is connected with the first sliding rail 2.4a in a sliding mode through a first sliding block 2.4d, and the top of the outward end (i.e., the end back to the enclosed space) of the connecting beam is connected with the second sliding rail 2.4b in a sliding mode through a second sliding block 2.4 e.

The movable distance of the sliding table 2.1 is about the sum of the lengths of the first sliding rail 2.4a, the second sliding rail 2.4b and the connecting beam 2.4c minus the lengths of the first sliding block 2.4d and the second sliding block 2.4e, the moving range is large, and the first sliding rail 2.4a, the second sliding rail 2.4b and the connecting beam 2.4c are overlapped after being retracted, so that the occupied space is small, and the structure is compact.

In some preferred embodiments, see fig. 5, the loading table 2 further comprises at least one positioning assembly 2.5; each positioning component 2.5 comprises a mounting seat 2.5a fixed on the top of the machine base 1 and a travel switch 2.5b arranged on the mounting seat; when the sliding table 2.1 moves inwards to a proper position, the travel switch 2.5b can be triggered. The slide table 2.1 is positioned through the travel switch 2.5b, so that the workpiece 90 can be reliably taken out when the mechanical arm 4 moves according to a preset program path.

Furthermore, a positioning block 2.5c can be arranged on the mounting seat 2.5a, and when the sliding table 2.1 moves inwards to the proper position, the sliding table abuts against the positioning block 2.5c, so that the travel switch 2.5b is prevented from being damaged due to excessive backward movement, and the positioning precision can be further improved.

In some preferred embodiments, see fig. 3 and 4, a shutter 9.2 capable of moving up and down is arranged at the access opening 9.1, and a fourth cylinder 10 for driving the shutter 9.2 to move up and down is arranged on the upper frame 8. When slip table 2.1 moved outwards, open flashboard 9.2 earlier in order to avoid hindering slip table 2.1 and remove, withdraw confined space when slip table 2.1 after, close flashboard 9.2 to avoid the dust to spill out from access & exit 9.1.

From the above, this automatic grinding device of car die casting has following advantage:

1. the automation degree is high, the production efficiency is high, and the labor intensity of workers can be greatly reduced;

2. the dust that the process of polishing produced can effectively be prevented from scattering, avoid dust pollution workshop environment and harm workman's health.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and the embodiments are substantially the same as the present invention.

Claims

1. An automatic grinding device for automobile die castings is characterized by comprising a base, a feeding table, a blanking box, a mechanical arm, an angle grinder and a pneumatic grinding device, wherein the feeding table, the blanking box, the mechanical arm, the angle grinder and the pneumatic grinding device are arranged at the top of the base; the feeding table is used for positioning and placing a workpiece to be processed; the angle grinder is used for grinding burrs on a parting surface of a workpiece; the pneumatic polishing device is used for polishing the pits and bulges at the strong tendons and edges of the workpiece; the mechanical arm is provided with a workpiece taking clamp, and the mechanical arm is used for conveying a workpiece to the angle grinder and the pneumatic grinding device from the feeding table for grinding through the workpiece taking clamp and putting the ground workpiece into the discharging box.

2. The automatic grinding device for the automobile die castings according to claim 1, wherein the pneumatic grinding device comprises a support fixedly connected with the top of the base, a first air cylinder fixed on the support, and a grinding head connected with a piston rod of the first air cylinder; the polishing head is a prism-like polishing head which is coaxial with the piston rod of the first cylinder, and the side surface of the polishing head is used for polishing a workpiece.

3. The automatic grinding device of automobile die castings according to claim 1, characterized in that the robot arm is a six-axis robot arm.

4. The automatic grinding device for the automobile die castings according to claim 1, wherein the part taking clamp comprises an L-shaped base plate consisting of a transverse plate portion and a vertical plate portion, a connecting column arranged at the top of the transverse plate portion and used for being connected with a mechanical arm, a second air cylinder fixedly connected to the bottom of the transverse plate portion, and a clamping block connected with a piston rod of the second air cylinder; the clamping block can reciprocate along the direction vertical to the vertical plate part under the driving of the second air cylinder, and the clamping block and the vertical plate part are jointly used for clamping a workpiece.

5. The automatic grinding device for the automobile die castings according to claim 1, wherein an upper frame is further provided on the top of the machine base, and a surrounding plate is provided on the upper frame, the surrounding plate surrounding the upper side of the machine base into an enclosed space, and the feeding table, the robot arm, the angle grinder and the pneumatic grinding device are all disposed in the enclosed space.

6. The automatic grinding device for automobile die castings according to claim 5, wherein the blanking box includes a box portion provided outside the enclosed space, and a slide groove portion communicating with the box portion and extending obliquely upward into the enclosed space.

7. The automatic grinding device for the automobile die castings according to claim 5, wherein the feeding table comprises a sliding table slidably connected with the top of the base, a third cylinder for driving the sliding table to reciprocate, and a plurality of workpiece positioning seats arranged on the sliding table; the workpiece positioning seat is used for positioning and placing a workpiece; an inlet and an outlet are arranged on the position, opposite to the feeding table, of the enclosing plate, and the sliding table can be driven by the third cylinder to enter and exit from the inlet and the outlet.

8. The automatic grinding device for automobile die castings according to claim 7, wherein the feeding table further comprises at least two slide rail assemblies; each sliding rail assembly comprises a first sliding rail fixed to the top of the base, a second sliding rail fixedly connected with the bottom of the sliding table and a connecting beam arranged between the first sliding rail and the second sliding rail in parallel, the bottom of one inward end of the connecting beam is connected with the first sliding rail in a sliding mode through a first sliding block, and the top of one outward end of the connecting beam is connected with the second sliding rail in a sliding mode through a second sliding block.

9. The automatic grinding device of automobile die castings according to claim 8, wherein the loading table further comprises at least one positioning assembly; each positioning component comprises a mounting seat fixed on the top of the machine base and a travel switch arranged on the mounting seat; when the sliding table moves inwards to a proper position, the travel switch can be triggered.

10. The automatic grinding device for the automobile die castings according to claim 7, wherein a shutter plate capable of moving up and down is provided at the inlet, and a fourth cylinder for driving the shutter plate to move up and down is provided on the upper frame.