CN110605416A - Processing tooling, processing device and processing method for main platform of excavator - Google Patents

Abstract

The invention relates to a main platform processing tooling, processing device and method of an excavator, comprising a base for fixed connection with the workbench of a horizontal boring and milling machine tool, a first support member and a second support member connected above the base, Both the bottom of the first support and the second support are connected with a support platform, and the support platform is used to support the bottom surface of the main platform and limit the vertical movement of the main platform. The first support is provided with a top tightening mechanism, and the second support The first positioning pin is provided, and the jacking mechanism and the first positioning pin can clamp the main platform along the first direction in the horizontal plane and limit the movement of the main platform along the first direction. Both the first support and the second support are provided with There is a second positioning pin and a clamping device, the second positioning pin and the clamping device can clamp the main platform along the second direction perpendicular to the first direction in the horizontal plane, and limit the movement of the main platform along the second direction. Tooling has high processing efficiency and low cost.

Description

Processing tooling, processing device and processing method for main platform of excavator

technical field

The invention relates to the technical field of mechanical processing equipment, in particular to an excavator main platform processing tool, processing device and method.

Background technique

As the main equipment in construction machinery, excavator plays an important role in various construction, coal mine and other industries. The excavator platform is divided into three parts: the main platform, the left platform and the right platform. Before the platform is assembled, the main platform needs to be processed. The processing of the main platform includes the processing of different planes. The inventors found that the main platform has large workpieces, difficult clamping and potential safety hazards, and low work efficiency. If the structure of the machine tool is adjusted to achieve multi-axis and multi-directional rotation, the cost is high. The processing method of the main platform is boring on one tooling and milling on another tooling, which requires multiple clamping to process different planes, resulting in low production efficiency and poor machining accuracy.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a main excavator platform processing tool, which can fix the main platform of the excavator, meet the processing requirements for different planes after one clamping, and save tooling costs. Improve processing efficiency.

To achieve the above object, the present invention adopts the following technical solutions:

A processing tool for the main platform of an excavator, including a base for fixed connection with the workbench of a horizontal boring and milling machine tool, a first support and a second support are connected above the base, and the first support and the second support The bottom of each part is connected with a supporting platform, which is used to support the bottom surface of the main platform and limit the vertical movement of the main platform. The first supporting part is provided with a jacking mechanism, and the second supporting part is provided with a first positioning pin. The clamping mechanism and the first positioning pin can clamp the main platform along the first direction in the horizontal plane, and limit the movement of the main platform along the first direction. Both the first support and the second support are provided with the second positioning pin and clamping The device, the second positioning pin and the clamping device can clamp the main platform along the second direction perpendicular to the first direction in the horizontal plane, and limit the movement of the main platform along the second direction.

Further, the base is provided with a sliding groove, and the first supporting member and the second supporting member are slidably connected with the base through the sliding groove, and can be locked and fixed with the base through the locking member.

Further, the first support member and the second support member are both provided with support rods, the support rods of the first support member and the second support member are arranged oppositely and the axes are arranged along the first direction, the first support member and the second support member The supporting rods of the parts can withstand the two sides of the main platform.

Further, the tightening device includes a tightening seat detachably connected to the first support member, the tightening seat is threadedly connected with a tightening bolt, the first positioning pin is fixedly connected with the second support member, and the tightening The end face of the bolt rod of the bolt can be in contact with the two side faces of the main platform together with the circular axis surface of the first positioning pin to clamp the main platform.

Further, the clamping device includes a clamping plate, a first screw passes through the clamping plate, the first screw of the clamping device connected to the first support is fixedly connected to the first support, and the second support The first screw of the clamping device connected by the piece is fixedly connected with the second support, the first screw and the second screw are threadedly connected with a clamping nut, the axis of the second positioning pin is set along the second direction, and the clamping plate can be Under the action of the clamping nut, it works together with the end face of the second positioning pin to clamp the main platform.

Further, the clamping bolt passes through the clamping plate through the waist hole provided on the clamping plate, so that the relative positions of the clamping plate and the clamping bolt can be adjusted.

Further, a protective frame is fixed on the top of the first support.

Further, both the first support member and the second support member are fixed with a second screw rod through a sleeve, and the second screw rod passes through the anti-turnover plate and is threadedly connected with a fixing nut, and the fixing nut can press the anti-turnover plate Tightly on the end face of the sleeve to prevent the rollover of the main platform.

The invention also discloses an excavator main platform processing device, which includes a horizontal boring and milling machine tool and the excavator main platform processing tool, and the excavator main platform processing tool is fixed on the horizontal boring and milling machine tool. on stage.

The invention also discloses a method for processing the main platform of the excavator by using the main platform processing device of the excavator: comprising the following steps:

Step 1: Lift the main platform of the excavator to the ground and support it on the support platform. The clamping device and the first positioning pin clamp the main platform along the first direction in the horizontal plane, and the clamping device and the second positioning pin along the horizontal plane. The second direction clamps the main platform.

Step 2: Use the machining milling cutter of the horizontal boring and milling machine tool to process the slewing support installation surface of the main platform, the slewing joint installation hole and the slewing motor hole.

Step 3: The worktable of the horizontal boring and milling machine tool is rotated 90°, and the mounting holes of the boom and the cylinder of the main platform are processed.

Step 4: The worktable of the horizontal boring and milling machine tool is rotated 90° again, and the surface of the ear plate mounting surface of the main platform is scraped.

Beneficial effects of the present invention:

1. The processing tooling of the present invention can effectively fix the main platform in the vertical direction, the first direction and the second direction, and can be fixedly connected with the workbench of the boring and milling machine tool. After one clamping, the main platform can be fixed Different surfaces are processed, and the work efficiency is high.

2. In the processing tooling of the present invention, the relative distance between the first support member and the second support member can be adjusted, the relative position of the clamping plate and the clamping bolt can be adjusted, and the clamping bolt is used for clamping, which meets the needs of different models. Due to the fixed requirements of the platform, one piece of tooling can realize the processing of the main platform of multiple models, saving tooling costs.

3. The processing tooling of the present invention is provided with a protective frame, which can be held by the operator when standing or taking the sling, so as to avoid the personnel from falling.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application and not to limit the present application.

Fig. 1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

Fig. 2 is a schematic top view of the overall structure of Embodiment 1 of the present invention;

Fig. 3 is a schematic diagram of the assembly of Embodiment 1 of the present invention and the main platform;

Fig. 4 is a second schematic diagram of the assembly of Embodiment 1 and the main platform of the present invention;

Fig. 5 is a schematic front view of the assembly of Embodiment 1 of the present invention and the main platform;

Fig. 6 is a schematic side view of the assembly of Embodiment 1 of the present invention and the main platform;

Among them, 1. first support, 1-1. top plate, 1-2. bottom plate, 1-3. side plate, 1-4. front plate, 1-5. partition, 2. second support, 3 .Base, 3-1. Chute, 3-2. Scale line, 4. Lock bolt, 5. Lock nut, 6. Support platform, 7. First positioning pin, 8. Top tight seat, 9. Top Tightening bolt, 10. Second positioning pin, 11. First screw rod, 12. Clamping plate, 13. Clamping nut, 14. Support rod, 15. Sleeve, 16. Second screw rod, 17. Fixing nut, 18 .Anti-turning plate, 19. Protective frame, 20. Main platform, 20-1. Swing support mounting surface, 20-2. Swivel joint mounting hole, 20-3. Swing motor hole, 20-4. Boom mounting hole, 20-5. Oil cylinder installation hole.

Detailed ways

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, it only means that they are consistent with the directions of up, down, left and right in the drawings themselves, and do not limit the structure. It is for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As introduced in the background technology, the current processing of the main platform of excavators requires multiple clamping to process different planes, resulting in low production efficiency and poor machining accuracy. tooling.

In Example 1 of a typical implementation of the present application, as shown in Figure 1-2, an excavator main platform processing tooling includes a base, and the base can be fixedly connected to the workbench of a horizontal boring and milling machine tool, The base is provided with a first support 1 and a second support 2, the first support and the second support are slidably connected with the base 3, and can be locked and fixed with the base by a locking member.

The upper surface of the base is provided with a plurality of sliding grooves 3-1, and the second supporting member is slidably connected with the base through the sliding grooves. The upper surface of the base is located on one side of the chute at both ends to provide a scale line 3-2, which is convenient for the staff to adjust the positions of the first support member and the second support member.

Both the first support and the second support include a top plate 1-1 and a bottom plate 1-2 arranged in parallel, two side plates 1-3 arranged in parallel are welded and fixed between the top plate and the bottom plate, the top plate, the bottom plate and the side plates The edge of the same side of the plate is also welded and fixed with the front plate 1-4, and the space formed by the top plate, the bottom plate, the side plate and the front plate is also provided with a partition 1-5, and the partition is welded and fixed with the front plate and the side plate, It is used to enhance the structural strength of the first support and the second support.

The locking member adopts a locking bolt 4 and a locking nut 5, the locking bolt passes through the base plate, and the bolt cap of the locking bolt is arranged inside the chute, the locking nut is threadedly connected with the locking bolt, and the rotation lock Tightening the nut, the locking nut can press the bottom plate on the upper surface of the base, so as to realize the locking and fixing of the first support member and the second support member and the base.

The opposite end faces of the first support member and the second support member bottom plate are all welded and fixed with a support platform 6, and the support platform is used to contact the bottom surface of the main platform to support the main platform in the vertical direction and limit the main platform in the vertical direction. Move straight up and down.

A jacking device is provided on the first support, and a first positioning pin 7 is provided on the second support. The jacking device can work together with the first positioning pin to clamp the excavation along the first direction in the horizontal plane. The main platform of the machine.

The clamping device includes a clamping seat 8, which is detachably connected to the front plate through bolts and the mounting holes of the clamping seat provided on the front plate of the first support member, and a plurality of clamping seats are arranged on the front plate The mounting hole and the position of the tight seat on the front plate can be adjusted, and the tight seat is threadedly connected with a jack bolt 9 .

The first locating pin is fixedly connected to the front plate of the second support member, and the outer peripheral surface of the first locating pin can be in contact with the two sides of the main platform together with the end surface of the bolt rod of the tightening bolt, so that the main platform can be moved along the first direction. Clamp.

The front plates of the first support and the second support are also connected with a clamping device and a second positioning pin 10, and the clamping device and the second positioning pin can clamp the main platform together to limit the main platform along the horizontal plane. Movement in the second direction perpendicular to the first direction.

The clamping device includes a first screw 11 fixed on the front plate of the first support and the second support, and the first screw passes through the clamping plate 12 through a waist hole arranged on the clamping plate 12 and is threaded There is a clamping nut 13, the second positioning pin is fixedly connected with the front plates of the first support and the second support, and the axis is arranged along the second direction.

The clamping plate can use the clamping nut to cooperate with the end surface of the second positioning pin to clamp the main platform and limit the movement of the main platform along the second direction.

In this embodiment, two clamping devices are set on the front plate of the first support, two clamping devices are set on the front plate of the second support, and four clamping devices are arranged alternately, that is, four clamping devices The axes of the plates are not on the same straight line.

A waist hole is arranged on the clamping plate to facilitate adjustment of the relative position of the clamping plate and the first screw rod.

A plurality of support rods 14 are fixed on opposite side plates of the first support member and the second support member, and the support rods are used to support the side surfaces of the main platform.

The upper position of the front plate of the first support and the second support is also fixed with a sleeve 15, and a second screw 16 is fixed in the sleeve, and the second screw passes through the anti-turnover plate 18 and is threaded Fixing nut 17, fixing nut can be pressed against the end face of sleeve with anti-turning plate, and anti-turning plate is used for preventing the tipping of main platform.

A protective frame 19 is welded and fixed on the top plate of the first support member, which can be held by the operator when standing or taking the sling, so as to avoid the personnel from falling.

Example 2:

This embodiment discloses an excavator main platform processing device, including a horizontal boring and milling machine tool and the excavator main platform processing tooling described in Embodiment 1, the excavator main platform processing tooling and the horizontal boring and milling machine tool The workbench is fixedly connected.

Example 3:

This embodiment discloses a method for processing the main platform of an excavator using the processing device described in Embodiment 2, as shown in Figure 3-6, including the following steps:

Step 1: Adjust the positions of the first support and the second support in advance, and use the lock nut to lock and fix the base, hoist the main platform 20 of the excavator to the ground and support it on the support platform, rotate the jacking bolts, and jack up. The tightening bolt and the first positioning pin clamp the main platform along the first direction in the horizontal plane, and the main platform is clamped along the second direction in the horizontal plane by the clamping plate and the second positioning pin.

Step 2: Use the machining milling cutter of the horizontal boring and milling machine tool to process the rotary support mounting surface 20-1 of the main platform, and replace different milling cutters to process the rotary joint mounting hole 20-2 and the rotary motor hole 20-3 respectively.

Step 3: The worktable of the horizontal boring and milling machine tool is rotated by 90°, and the boom mounting hole 20-4 and the oil cylinder mounting hole 20-5 of the main platform are processed by a milling cutter.

Step 4: The worktable of the horizontal boring and milling machine tool is rotated 90° again, and the surface of the ear plate mounting surface of the main platform is scraped.

After the processing is completed, the workpiece is inspected. After the inspection is qualified, the processed workpiece is removed from the tooling and stored in a designated location.

Although the specific implementation of the present invention has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the present invention. Those skilled in the art should understand that on the basis of the technical solution of the present invention, those skilled in the art do not need to pay creative work Various modifications or variations that can be made are still within the protection scope of the present invention.

Claims (10)

1. A main platform processing tool of an excavator is characterized by comprising a base fixedly connected with a workbench of a horizontal boring and milling machine tool, the base top is connected with first support piece and second support piece, first support piece and second support piece bottom all are connected with a supporting bench, a supporting bench is used for supporting main platform's bottom surface, the motion of the vertical direction of restriction main platform, first support piece is provided with the tight mechanism in top, be provided with first locating pin on the second support piece, tight mechanism in top can press from both sides tight main platform along the first direction in the horizontal plane with first locating pin, restrict the motion of main platform along the first direction, all be provided with second locating pin and clamping device on first support piece and the second support piece, second locating pin and clamping device can press from both sides tight main platform along the horizontal plane with first direction vertically second direction, restrict the motion of main platform along the second direction.

2. The main platform machining tool for the excavator as claimed in claim 1, wherein the base is provided with a sliding groove, and the first support member and the second support member are slidably connected with the base through the sliding groove and can be locked and fixed with the base through a locking member.

3. The main platform machining tool for the excavator according to claim 1, wherein the first supporting member and the second supporting member are provided with supporting rods, the supporting rods of the first supporting member and the second supporting member are arranged oppositely, the axis of the supporting rods is arranged along a first direction, and the supporting rods of the first supporting member and the second supporting member can be abutted against two side surfaces of the main platform.

4. The excavator main platform machining tool according to claim 1, wherein the jacking device comprises a jacking seat fixedly connected with the first support piece, a jacking bolt is in threaded connection with the jacking seat, the first positioning pin is fixedly connected with the second support piece, and the end face of a bolt rod of the jacking bolt can be in contact with two side faces of the main platform together with the circular axial face of the first positioning pin to clamp the main platform.

5. The excavator main platform machining tool according to claim 1, wherein the clamping device comprises a clamping plate, a first screw penetrates through the clamping plate, the first screw of the clamping device connected with the first support is fixedly connected with the first support, the first screw of the clamping device connected with the second support is fixedly connected with the second support, a clamping nut is in threaded connection with the first screw and the second screw, the axis of the second positioning pin is arranged along the second direction, and the clamping plate can cooperate with the end face of the second positioning pin under the action of the clamping nut to clamp the main platform.

6. The excavator main platform machining tool according to claim 5, wherein the clamping bolt penetrates through the clamping plate through a waist hole formed in the clamping plate, and the relative position of the clamping plate and the clamping bolt can be adjusted.

7. The excavator main platform machining tool according to claim 1, wherein a protective frame is fixed to the top end of the first support member.

8. The excavator main platform machining tool according to claim 1, wherein a second screw is fixed to each of the first support member and the second support member through a sleeve, the second screw penetrates through the anti-turning plate and is in threaded connection with a fixing nut, and the fixing nut can press the anti-turning plate against the end face of the sleeve to prevent the main platform from turning laterally.

9. The excavator main platform machining device is characterized by comprising a horizontal boring and milling machine tool and the excavator main platform machining tool according to any one of claims 1 to 8, wherein the excavator main platform machining tool is fixed on a workbench of the horizontal boring and milling machine tool.

10. A method of machining an excavator main platform using the excavator main platform machining apparatus of claim 9, comprising the steps of:

step 1: the method comprises the following steps that a main platform of the excavator is lifted to the ground and supported on a support table, a jacking device and a first positioning pin clamp the main platform along a first direction in a horizontal plane, and a clamping device and a second positioning pin clamp the main platform along a second direction in the horizontal plane;

step 2: processing a rotary support mounting surface, a rotary joint mounting hole and a rotary motor hole of the main platform by using a processing milling cutter of a horizontal boring and milling machine tool;

and step 3: rotating a workbench of the horizontal boring and milling machine tool by 90 degrees, and processing a movable arm mounting hole and an oil cylinder mounting hole of the main platform;

and 4, step 4: and rotating the workbench of the horizontal boring and milling machine tool again by 90 degrees to scrape the surfaces of the lug plate mounting surfaces of the main platform.