CN219581768U - Counter sinking device for cast tubular beams - Google Patents

Abstract

The utility model relates to the technical field of pipe beam spot facing, in particular to a spot facing device for casting a pipe beam, which comprises a feeding air cylinder, wherein the feeding air cylinder is fixed on an air cylinder support, the air cylinder support is vertically and slidably arranged on a work frame, the lower end of the feeding air cylinder is connected with a lower top plate, a main shaft bearing rotates to penetrate through the air cylinder support, the lower end of the main shaft is connected with a cutter bar, the lower end of the cutter bar is detachably provided with a cutter head, the cutter edge of the cutter head faces upwards, a plurality of through holes are arranged on the casting pipe beam, the lower end of the cutter bar penetrates through the through holes and extends to the lower parts of the through holes, the cutter head is positioned below the through holes, and the lower top plate is pressed on the upper end face of the casting pipe beam, and the beneficial effects are that: through setting up detachable blade disc and the blade edge that sets up for the cutter arbor can be through the through-hole on the cast tubular beam and reload the blade disc, has realized facing the processing to the back of through-hole, avoids the secondary assembly of work piece, has improved work efficiency.

Description

Counter sinking device for cast tubular beams

Technical Field

The utility model relates to the field of spot facing of tube beams, in particular to a spot facing device for casting tube beams.

Background

Spot facing is generally performed by scraping a cast blank surface with a spot facing drill and using the spot facing as a plane for bolt connection.

At present, most manufacturing enterprises still use standard machine tools to process workpieces, and as the standard machine tools need to move the workpieces to an operation table to process the workpieces, tool bits and hole sites are adjusted, the workpieces are fixed, and then spot facing operation is performed.

For some workpieces with special shapes, each hole site needs to be reassembled, the back surface of the hole site to be machined is blocked by other structures, and the standard machine tool cannot spot-facing the port of the workpiece.

Disclosure of Invention

The utility model aims to provide a spot facing device for casting a tubular beam, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a spot facing apparatus for casting a tubular beam, the apparatus comprising;

the feeding cylinder is fixed on a cylinder bracket, the cylinder bracket is vertically and slidably arranged on the work frame, and the lower end of the feeding cylinder is connected with a lower top plate;

the main shaft bearing penetrates through the air cylinder bracket in a rotating way, the lower end of the main shaft is connected with a cutter bar, the lower end of the cutter bar is detachably provided with a cutter head, and the cutter edge of the cutter head faces upwards;

and the lower top plate is pressed on the upper end face of the cast tube beam.

Preferably, the feeding cylinder is mounted on a cylinder support, one end of the cylinder support is provided with a cylinder fixing groove, and the feeding cylinder is fixed on the cylinder fixing groove.

Preferably, a cylinder compression bar is arranged at the lower end of the feeding cylinder, a through hole is arranged on the cylinder fixing groove, and the lower end of the cylinder compression bar penetrates through the through hole and extends to the lower part of the through hole.

Preferably, a guide sleeve fixing groove is formed in the lower surface of the cylinder support and corresponds to the cylinder fixing groove, a guide sleeve is fixed in the guide sleeve fixing groove, and the cylinder compression bar penetrates through the guide sleeve in a sliding mode.

Preferably, the other end of the cylinder bracket is provided with a bearing groove, a main shaft bearing is rotatably arranged in the bearing groove, and the lower end of the main shaft drives the cutter bar to rotate.

Preferably, the lower top plate is Z-shaped, and the lower top plate is positioned below the guide sleeve.

Preferably, one end of the lower top plate is connected to the cylinder pressing rod, the other end of the lower top plate is provided with a U-shaped groove, and the cutter bar penetrates through the U-shaped groove.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the detachable cutter head and the upward cutter edge are arranged, so that the cutter bar can be reloaded with the cutter head through the through hole on the cast pipe beam, spot facing processing of the back surface of the through hole is realized, secondary assembly of a workpiece is avoided, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the cylinder mount of the present utility model;

FIG. 3 is a bottom view of the cylinder bracket of the present utility model;

fig. 4 is a structural assembly view of the present utility model.

In the figure: 1. a main shaft; 2. a feed cylinder; 3. a cylinder bracket; 4. a lower top plate; 5. a cutter bar; 6. a cutterhead; 7. casting a tubular beam; 8. a bearing groove; 9. a cylinder fixing groove; 10. a cylinder compression bar; 11. a guide sleeve fixing groove; 12. a guide sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution:

example 1:

the spot facing device of the cast tube beam comprises a feeding cylinder 2, a main shaft 1 and a cast tube beam 7;

the feeding cylinder 2 is fixed on the cylinder bracket 3, the cylinder bracket 3 is vertically and slidably arranged on the work frame, the lower end of the feeding cylinder 2 is connected with a lower top plate 4, the feeding cylinder 2 is fixed by arranging the cylinder bracket 3 vertically and slidably arranged on the work frame, and meanwhile, the feeding cylinder 2 can drive the cylinder bracket 3 to slide on the work frame when stretching;

the main shaft 1 rotates to penetrate through the air cylinder support 3, the main shaft 1 arranged on the air cylinder support 3 is arranged, so that when the air cylinder support 3 slides on a work frame, the main shaft 1 can be driven to move up and down, the lower end of the main shaft 1 is connected with the cutter bar 5, the lower end of the cutter bar 5 is detachably provided with the cutter head 6, the cutter edge of the cutter head 6 faces upwards, the main shaft 1 arranged on the air cylinder support 3 is arranged to rotate through the bearing, and the cutter bar 5 and the cutter head 6 realize that the main shaft 1 rotates to drive the cutter bar 5 and the cutter head 6 to rotate;

the casting tube beam 7 is provided with a plurality of through holes, the lower end of the cutter bar 5 penetrates through the through holes and extends to the lower parts of the through holes, the cutter disc 6 is positioned below the through holes, the lower top plate 4 is pressed on the upper end face of the casting tube beam 7, and the countersinking processing of the back surface of the through holes is realized by arranging the cutter disc 6 with the lower top plate 4 pressed on the upper end face of the casting tube beam 7 and the cutter edge facing upwards;

the lower top plate 4 is Z-shaped, one end of the lower top plate 4 is connected to the cylinder pressure rod 10, and the lower top plate 4 is connected to the cylinder pressure rod 10 through the arrangement of the lower top plate 4, so that the telescopic movement of the cylinder pressure rod 10 drives the lower top plate 4 to move up and down;

the lower extreme of cutter arbor 5 runs through the through-hole on the cast tubular beam 7 and extends to the through-hole below, and cutter disc 6 is installed on cutter arbor 5, and main shaft 1 rotates and drives cutter arbor 5 and cutter disc 6 rotation, and cylinder depression bar 10 concertina movement drives down roof 4 down motion, when roof 4 pushes up the work piece surface down, can make cylinder support 3 and feeding cylinder 2, main shaft 1 upwards rise afterwards to realized the lifting of cutter arbor 5 drive cutter disc 6, realized carrying out the countersinking to the back of the through-hole on the cast tubular beam 7.

Example 2:

on the basis of embodiment 1, the feeding cylinder 2 is mounted on the cylinder bracket 3, one end of the cylinder bracket 3 is provided with a cylinder fixing groove 9, the feeding cylinder 2 is fixed on the cylinder fixing groove 9, and the cylinder 2 is more firmly fixed on the cylinder bracket 3 by arranging the cylinder fixing groove 9.

Example 3:

on the basis of embodiment 2, the lower extreme of feeding cylinder 2 is provided with cylinder depression bar 10, be provided with the through-hole on the cylinder fixed slot 9, the lower extreme of cylinder depression bar 10 runs through the through-hole and extends to the through-hole below, the position that cylinder support 3 lower surface corresponds with cylinder fixed slot 9 is provided with uide bushing fixed slot 11, uide bushing fixed slot 11 internal fixation has uide bushing 12, make uide bushing 12 can more firm fixing on cylinder support 3 through setting up uide bushing fixed slot 11, cylinder depression bar 10 slides and runs through uide bushing 12, make cylinder depression bar 10 can be stable slide in uide bushing 12 through setting up uide bushing 12.

Example 4:

on the basis of the embodiment 2, the other end of the cylinder bracket 3 is provided with a bearing groove 8, the spindle 1 is rotatably arranged in the bearing groove 8, the lower end of the spindle 1 drives the cutter bar 5 to rotate, and the fixing and the rotation of the spindle 1 are realized by arranging the bearing groove 8.

Example 5:

on the basis of embodiment 3, lower roof 4 is located uide bushing 12 below, and the lower roof 4 other end is provided with the U-shaped groove, and cutter arbor 5 runs through the U-shaped groove, makes the stress point of lower roof 4 and work piece be close to blade disc 6 through setting up the U-shaped groove for blade disc 6 is more stable when facing processing.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The spot facing device of cast tubular beams, its characterized in that: the spot facing device includes:

the feeding cylinder (2), the feeding cylinder (2) is fixed on the cylinder bracket (3), the cylinder bracket (3) is vertically and slidably arranged on the work frame, and the lower end of the feeding cylinder (2) is connected with the lower top plate (4);

the main shaft (1), the main shaft (1) rotates and penetrates through the air cylinder bracket (3), the lower end of the main shaft (1) is connected with a cutter bar (5), the lower end of the cutter bar (5) is detachably provided with a cutter disc (6), and the cutter edge of the cutter disc (6) faces upwards;

the casting tubular beam (7), be provided with a plurality of through-holes on casting tubular beam (7), the lower extreme of cutter arbor (5) runs through the through-hole and extends to the through-hole below, and blade disc (6) are located the below of through-hole, and lower roof (4) pressfitting is at the up end of casting tubular beam (7).

2. A spot facing apparatus for cast tubular beams as defined in claim 1, wherein: the feeding cylinder (2) is arranged on the cylinder support (3), one end of the cylinder support (3) is provided with a cylinder fixing groove (9), and the feeding cylinder (2) is fixed on the cylinder fixing groove (9).

3. A spot facing apparatus for cast tubular beams as defined in claim 2, wherein: the lower extreme of feeding cylinder (2) is provided with cylinder depression bar (10), is provided with the through-hole on cylinder fixed slot (9), and the lower extreme of cylinder depression bar (10) runs through the through-hole and extends to the through-hole below.

4. A spot facing apparatus for cast tubular beams as defined in claim 3, wherein: the cylinder support (3) lower surface is provided with uide bushing fixed slot (11) with cylinder fixed slot (9) corresponding position, uide bushing fixed slot (11) internal fixation has uide bushing (12), and cylinder depression bar (10) slip runs through uide bushing (12).

5. A spot facing apparatus for cast tubular beams as defined in claim 2, wherein: the other end of the cylinder bracket (3) is provided with a bearing groove (8), the main shaft (1) is rotatably arranged in the bearing groove (8), and the lower end of the main shaft (1) drives the cutter bar (5) to rotate.

6. A spot facing apparatus for cast tubular beams as defined in claim 1, wherein: the lower top plate (4) is Z-shaped, and the lower top plate (4) is positioned below the guide sleeve (12).

7. The spot facing apparatus for cast tubular beams of claim 6, wherein: one end of the lower top plate (4) is connected to the cylinder pressing rod (10), the other end of the lower top plate is provided with a U-shaped groove, and the cutter bar (5) penetrates through the U-shaped groove.