CN223222569U - Single keyway broaching positioning device - Google Patents

Abstract

The utility model provides a single-key slot broaching positioning device, which belongs to the technical field of machining and comprises a positioning block, wherein the main body of the positioning block is of a circular plate type structure, a first fixed column is fixedly arranged on the upper end surface of the positioning block, a workpiece is sleeved outside the first fixed column, a second fixed column is fixedly arranged on the lower end surface of the positioning block, and continuous grooves are formed in the surfaces of the positioning block, the first fixed column and the second fixed column. According to the utility model, the first fixing column is fixedly arranged on the upper end surface of the positioning block, the groove is formed in the surface of the first fixing column, and the cutter is clamped in the groove, so that the cutter can ensure the linear motion and the quality of the groove when the cutter pulls the workpiece.

Description

Single keyway broaching positioning device

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a single-key groove broaching positioning device.

Background

The synchronous wheel has wide application in the mechanical manufacturing industry, and the synchronous wheel needs to be provided with a key groove in the processing process, and the grooving is performed in a broaching mode, so that the efficiency is high, but the surface roughness value of the side surface of the key groove is high, the local scratch is generated, and the phenomenon of gnawing occurs in severe cases.

Based on the above, when the existing synchronous wheel single-key groove broaching positioning device is used, the following two defects also exist:

Firstly, a limiting mechanism for a cutter is absent, and the cutter is longer in length and higher in hardness of a synchronous wheel, so that when the cutter broaches the synchronous wheel, the cutter easily deflects, and the surface roughness value of the side surface of a key slot is higher;

Secondly, when fixing the workpiece, the position of the positioning block needs to be moved according to the positions of the workpiece and the cutter, but at present, the positioning block is inconvenient for workers to move.

Disclosure of utility model

In order to solve the above technical problems at least to a certain extent, the present utility model provides a single key slot broaching and positioning device.

The utility model discloses a single-key groove broaching and positioning device, which is characterized by comprising a lathe bed;

The upper end surface of the lathe bed is provided with two transverse sliding grooves, the middle of the upper end surface of the lathe bed is provided with an inserting hole, and a fixing plate is fixedly arranged in the lathe bed;

The positioning block body is of a circular plate type structure, a first fixed column is fixedly arranged on the upper end face of the positioning block, a workpiece is sleeved outside the first fixed column, a second fixed column is fixedly arranged on the lower end face of the positioning block, and continuous grooves are formed in the surfaces of the positioning block, the first fixed column and the second fixed column;

the fixed ear plates are symmetrically provided with two groups, and are fixedly arranged on the outer end face of the positioning block;

The fixing block is fixedly arranged in the middle of the upper end face of the fixed ear plate, and a connecting groove is formed in the fixing block;

The hydraulic cylinder is fixedly arranged on the lower end face of the fixed plate, the front end of the hydraulic cylinder is provided with a cutter, and the cutter is clamped in a groove on the surface of the positioning block;

the fixed rod, the fixed rod symmetry is equipped with two sets of, and the up end fixed mounting of fixed rod has fixed diaphragm, and the surface threaded connection of fixed diaphragm has adjusting screw, and adjusting screw is located the top position of locating piece.

Further, the upper end part of the second fixed column is of a rectangular plate-shaped structure, the upper end part of the second fixed column is clamped in the jack on the surface of the lathe bed, and the outer end face of the second fixed column is attached to the inner end face of the jack.

Further, the connecting block of the circular plate type structure is fixedly arranged on the lower end face of the fixing rod, and the connecting block is rotationally connected in a connecting groove inside the fixing block.

Further, a fastening block is slidably clamped in a transverse chute on the surface of the top plate of the lathe bed, and a fastening screw is fixedly arranged on the upper end face of the fastening block.

Further, two connecting holes are formed in the surface of the fixed lug plate, the fastening screw rod at the upper end of the fastening block is clamped inside the connecting holes, and a nut is connected to the surface of the fastening screw rod.

Further, a knob with a hexagonal stud structure is fixedly arranged at the top end of the adjusting screw, and a pressing plate is fixedly arranged on the surface of the lower end of the adjusting screw.

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

According to the utility model, the upper end surface of the fastening block is fixedly provided with the fastening screw, two ends of the positioning block are respectively provided with the fixed lug plates, the surfaces of the fixed lug plates are provided with two connecting holes, the fastening screw is clamped in the connecting holes, a worker can move the front and rear positions of the positioning block to enable the cutter to be tightly attached to a workpiece, then nuts on the surfaces of the fastening screw are screwed, and the positioning block can be fixed on the upper end surface of the lathe bed.

In addition, the connecting block of dead lever lower extreme rotates to be connected in the inside spread groove of dead lever for the workman can nimble regulation fixed diaphragm position is convenient for cup joint the work piece outside first fixed column 201, and adjusting screw is located the work piece top position time, through adjusting screw and fixed diaphragm threaded connection's setting, the clamp plate can be with adjusting screw down together the motion, realizes the fixed to the work piece.

In addition, through locating piece up end fixed mounting has first fixed column, and the recess has been seted up on first fixed column surface, and the setting of cutter joint in the recess for the cutter can guarantee that the cutter can guarantee rectilinear motion when carrying out the draw-in groove to the work piece, guarantees the quality of draw-in groove.

Drawings

Fig. 1 is a schematic view of the overall device structure of the present utility model.

Fig. 2 is a schematic view of the internal device of the lathe bed of the present utility model.

Fig. 3 is a schematic structural diagram of the positioning block, the first fixing column and the second fixing column according to the present utility model.

Fig. 4 is a schematic view of a positioning block and a fixed ear plate structure according to the present utility model.

Fig. 5 is a schematic view of the positioning block and the lathe bed according to the present utility model.

Fig. 6 is a schematic diagram of the front view of the hydraulic cylinder and the cutter according to the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. The device comprises a lathe bed, 101, a transverse chute, 102, an inserting hole, 103, a fixing plate, 2, a locating block, 201, a first fixing column, 202, a second fixing column, 3, a fixing lug plate, 301, a connecting hole, 4, a fixing block, 401, a connecting groove, 5, a hydraulic cylinder, 501, a cutter, 6, a fixing rod, 601, a connecting block, 602, a fixing transverse plate, 7, an adjusting screw, 701, a pressing plate, 8, a fastening block, 801, a fastening screw, 9 and a workpiece.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Embodiment one:

as shown in fig. 1 to 6:

The single-key groove broaching positioning device provided by the embodiment comprises a lathe bed 1, a positioning block 2, a fixed lug plate 3, a fixed block 4, a hydraulic cylinder 5 and a fixed rod 6, wherein two transverse sliding grooves 101 are formed in the upper end surface of the lathe bed 1, an inserting hole 102 is formed in the middle of the upper end surface of the lathe bed 1, and a fixed plate 103 is fixedly arranged in the lathe bed 1.

The main part of locating piece 2 is the plectane type structure, the up end fixed mounting of locating piece 2 has first fixed column 201, workpiece 9 has been cup jointed to first fixed column 201 outside, the lower terminal surface fixed mounting of locating piece 2 has second fixed column 202, the continuous recess has been seted up on the surface of locating piece 2, first fixed column 201 and second fixed column 202, there is first fixed column 201 through locating piece 2 up end fixed mounting, the recess has been seted up on first fixed column 201 surface, and the setting of cutter 501 joint in the recess, make cutter 501 when carrying out the draw groove to workpiece 9, can guarantee that cutter 501 can guarantee rectilinear motion, guarantee the quality of draw groove.

The fixed ear plates 3 are symmetrically provided with two groups, the fixed ear plates 3 are fixedly arranged on the outer end face of the positioning block 2, the fixed block 4 is fixedly arranged in the middle of the upper end face of the fixed ear plates 3, a connecting groove 401 is formed in the fixed block 4, the hydraulic cylinder 5 is fixedly arranged on the lower end face of the fixed plate 103, the front end of the hydraulic cylinder 5 is provided with a cutter 501, the cutter 501 is clamped in a groove on the surface of the positioning block 2, the fixed rod 6 is symmetrically provided with two groups, the upper end face of the fixed rod 6 is fixedly provided with a fixed transverse plate 602, the surface of the fixed transverse plate 602 is in threaded connection with an adjusting screw 7, and the adjusting screw 7 is positioned above the positioning block 2.

The upper end portion of the second fixing column 202 is in a rectangular plate structure, the upper end portion of the second fixing column 202 is clamped in the insertion hole 102 on the surface of the lathe bed 1, the outer end surface of the second fixing column 202 is attached to the inner end surface of the insertion hole 102, and therefore the phenomenon that the positioning block 2 swings left and right when moving forwards and backwards can be avoided.

Wherein, the connecting block 601 of the circular plate type structure is fixedly installed on the lower end surface of the fixed rod 6, and the connecting block 601 is rotationally connected in the connecting groove 401 inside the fixed block 4, so that a worker can conveniently put the workpiece 9 outside the first fixed column 201.

The fastening block 8 is slidably clamped in the transverse chute 101 on the top plate surface of the lathe bed 1, the fastening screw 801 is fixedly mounted on the upper end surface of the fastening block 8, two connecting holes 301 are formed in the surface of the fixed ear plate 3, the fastening screw 801 at the upper end of the fastening block 8 is clamped inside the connecting holes 301, a nut is connected to the surface of the fastening screw 801, the front and rear positions of the positioning block 2 can be adjusted by loosening the nut on the surface of the fastening screw 801, and the positioning block 2 can be fixed at the upper position of the lathe bed 1 after the nut on the surface of the fastening screw 801 is screwed down.

Wherein, the knob of hexagonal stud structure is fixed mounting in the top of adjusting screw 7, and adjusting screw 7's lower extreme surface fixed mounting has clamp plate 701, rotates adjusting screw 7, and when clamp plate 701 and work piece 9 in close contact, can realize the fixed to work piece 9.

Specific use and action of the embodiment:

According to the utility model, the hydraulic cylinder 5 can drive the cutter 501 to the highest position, then the workpiece 9 is sleeved outside the first fixing column 201, the transverse sliding groove 101 is formed in the top surface of the lathe bed 1, the fastening block 8 is clamped in the transverse sliding groove 101 in a sliding manner, the fastening screw 801 is fixedly arranged on the upper end surface of the fastening block 8, one fixing lug plate 3 is respectively arranged at two ends of the positioning block 2, two connecting holes 301 are formed in the surface of the fixing lug plate 3, the fastening screw 801 is clamped inside the connecting holes 301, a worker can move the front and back positions of the positioning block 2 to enable the cutter 501 to be tightly attached to the workpiece 9, then nuts on the surface of the fastening screw 801 are screwed, the positioning block 2 can be fixed on the upper end surface of the lathe bed 1, a connecting block 601 at the lower end of the fixing rod 6 is rotatably connected in a connecting groove 401 inside the fixing block 4, the worker can rotate the fixing transverse plate 602, the adjusting screw 7 is arranged above the workpiece 9, then the adjusting screw 7 is rotated, the adjusting screw 7 is in threaded connection with the fixing lug plate 602, the two connecting holes 301 move downwards together with the adjusting screw 7, the cutter 501, the workpiece 9 can be fixedly pulled in the groove 5, the first end surface is fixedly connected with the connecting groove 201, and the cutter 501 can be pulled down, the end surface of the workpiece is fixedly arranged in the groove 201, and the groove is enabled to move, and the end of the workpiece is guaranteed to be linearly, and the cutter is fixed in the groove is fixed by the groove and can be fixed by the workpiece 5, and can be fixedly and can be pulled in the groove and can be fixed by the end groove 201.

Claims (6)

1. A single-key groove broaching positioning device is characterized by comprising a lathe bed (1), two transverse sliding grooves (101) are formed in the upper end surface of the lathe bed (1), an insertion hole (102) is formed in the middle of the upper end surface of the lathe bed (1), a fixed plate (103) is fixedly arranged in the lathe bed (1), a first fixed column (201) is fixedly arranged on the upper end surface of the fixed block (2), a workpiece (9) is sleeved outside the first fixed column (201), a second fixed column (202) is fixedly arranged on the lower end surface of the fixed block (2), continuous grooves are formed in the surfaces of the fixed block (2), the first fixed column (201) and the second fixed column (202), two groups of fixed lug plates (3) are symmetrically arranged, the fixed lug plates (3) are fixedly arranged on the outer end surface of the fixed block (2), a connecting groove (401) is formed in the inner portion of the fixed block (4), a hydraulic cylinder (5) is fixedly arranged in the middle of the upper end surface of the fixed lug plates (3), a cutter (103) is fixedly arranged in the front of the fixed cylinder (5), the cutter (501) is fixedly arranged on the front end surface of the fixed cylinder (6), two groups of fixing rods (6) are symmetrically arranged, a fixing transverse plate (602) is fixedly arranged on the upper end face of each fixing rod (6), an adjusting screw (7) is connected to the surface of each fixing transverse plate (602) in a threaded mode, and the adjusting screw (7) is located above the corresponding locating block (2).

2. The single-key groove broaching and positioning device according to claim 1, wherein the upper end part of the second fixing column (202) is of a rectangular plate-shaped structure, the upper end part of the second fixing column (202) is clamped in the insertion hole (102) on the surface of the lathe bed (1), and the outer end surface of the second fixing column (202) is attached to the inner end surface of the insertion hole (102).

3. The single-key groove broaching and positioning device according to claim 1, wherein a connecting block (601) with a circular plate type structure is fixedly arranged on the lower end face of the fixed rod (6), and the connecting block (601) is rotatably connected in a connecting groove (401) in the fixed block (4).

4. The single-key groove broaching positioning device of claim 1, wherein a fastening block (8) is clamped in a transverse chute (101) on the top plate surface of the lathe bed (1) in a sliding manner, and a fastening screw (801) is fixedly arranged on the upper end surface of the fastening block (8).

5. The single-key groove broaching positioning device of claim 1, wherein two connecting holes (301) are formed in the surface of the fixed lug plate (3), a fastening screw (801) at the upper end of the fastening block (8) is clamped inside the connecting holes (301), and a nut is connected to the surface of the fastening screw (801).

6. The single-key groove broaching positioning device of claim 1, wherein a knob with a hexagonal stud structure is fixedly arranged at the top end of the adjusting screw (7), and a pressing plate (701) is fixedly arranged on the surface of the lower end of the adjusting screw (7).