CN211708294U

CN211708294U - Hobbing cutter main shaft of gear hobbing machine

Info

Publication number: CN211708294U
Application number: CN201922042936.1U
Authority: CN
Inventors: 章柯波
Original assignee: Zhejiang Chuanyi Machinery Co ltd
Current assignee: Zhejiang Chuanyi Machinery Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-10-20
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a hobbing cutter main shaft of a gear hobbing machine, which comprises a machine body and a chuck, wherein the chuck is arranged on one side of the machine body, a fixing plate is arranged in the chuck, two support rings are welded on one side of the fixing plate, which is far away from the chuck, hob spindles are arranged in the two support rings, a first clamping block and a second clamping block are respectively welded on two sides of the hob main shaft, a first circular ring is arranged on one side of each clamping block, a first clamping groove is formed in one side of the first circular ring, which is close to the clamping block, a first motor is welded on one side of the first circular ring, which is far away from the clamping block, a tensioning mechanism is arranged on one side of the two clamping blocks, a through groove is arranged on the upper end surface of the machine body, a supporting rod is arranged above the through groove, the welding of bracing piece below has motor two, the bottom welding of motor two has the support column, the outer surface welding in support column bottom has a plurality of strengthening ribs. The utility model has the advantages of easy dismounting and simple replacement.

Description

Hobbing cutter main shaft of gear hobbing machine

Technical Field

The utility model relates to a gear hobbing machine technical field, in particular to gear hobbing machine's hobbing cutter main shaft.

Background

The hobbing machine is the most widely used machine tool in gear processing machine tools, and can machine straight teeth, helical cylindrical gears, worm gears, chain wheels and the like on the hobbing machine, and the hobbing cutter can machine straight teeth, helical teeth, herringbone cylindrical gears and worm gears according to a generating method.

In the prior art, a hob spindle of a hobbing machine is fixedly arranged on a driving spindle of a lathe, and the hob needs to be replaced once the hob is broken in the use process due to high abrasion strength of the hob, but the hob needs to consume a large amount of time when being replaced due to complex installation, and meanwhile, the working efficiency of the hob is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hobbing cutter main shaft of gear hobbing machine has easy dismounting and changes simple advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a hob spindle of a gear hobbing machine comprises a machine body and a chuck, wherein the chuck is arranged on one side of the machine body, a fixed plate is arranged in the chuck and is connected with the chuck through a plurality of bolts, two support rings are welded on one side, far away from the chuck, of the fixed plate, a hob spindle is arranged in the two support rings, a first clamping block and a second clamping block are welded on two sides of the hob spindle respectively, a first circular ring is arranged on one side of the clamping block, a first clamping groove is formed in the first circular ring, the first clamping groove is clamped with the first clamping groove, a first motor is welded on one side, far away from the first clamping block, of the first circular ring, the first motor is fixedly connected with the machine body, a tensioning mechanism is arranged on one side of the second clamping block, a through groove is formed in the upper end face of the, the bottom welding of motor two has the support column, the outer surface welding of support column bottom has a plurality of strengthening ribs, a plurality of the strengthening rib all with it is fixed connection to lead to the inslot wall.

By adopting the technical scheme, an operator firstly fixes a workpiece on the supporting rod, then starts the motor II, the motor II rotates to drive the supporting rod to rotate, the supporting rod rotates to drive the workpiece to rotate, then starts the motor I, the motor I rotates to drive the ring I to rotate, the ring I rotates to drive the fixture block I and the hob spindle to rotate, and the hob spindle rotates to enable the rotating workpiece to complete machining. When the hob spindle needs to be replaced due to high abrasion strength, an operator moves the hob spindle to the tensioning mechanism, when the tensioning mechanism is in a pressing state, a clamping block on the hob spindle is separated from a clamping groove, and finally the hob spindle is taken down and replaced again.

Preferably, a cutting fluid pipe is welded on the chuck, and the cutting fluid pipe is a hose.

By adopting the technical scheme, when a workpiece is machined, the cutting fluid is sprayed to the workpiece through the cutting fluid pipe, the workpiece is cooled, and the hose can facilitate the position adjustment of an operator.

Preferably, the tensioning mechanism comprises a sleeve and a spring, a circular ring II is arranged on one side of the clamping block II, a clamping groove II is formed in the circular ring II, the clamping groove II is connected with the clamping block II in a clamped mode, the circular ring II is far away from the clamping block II, the spring is welded on one side of the clamping block II, the spring is located inside the sleeve, the spring is fixedly connected with the inner wall of the sleeve, a bearing is arranged on the sleeve, and the bearing is located inside the machine body.

By adopting the technical scheme, when the fixture block moves towards the inside, the spring is extruded, and then the hob spindle can be disassembled and assembled.

Preferably, the first clamping block, the second clamping block, the first clamping groove and the second clamping groove are all square.

By adopting the technical scheme, the square shape can ensure that the friction force between the square shape and the square shape is larger when the square shape rotates.

Preferably, the through groove below is provided with the case that gathers materials, it has the handle to gather materials outward appearance one side welding of case, it has four universal wheels to gather materials the terminal surface welding down.

Adopt above-mentioned technical scheme, the waste material of work piece processing enters into to the case that gathers materials through leading to the groove in, and when the waste material in the case that gathers materials reachd certain degree, operating personnel pulled the case that gathers materials to the place of empting with the handle, and the universal wheel has played the effect of transportation.

Preferably, a filter screen is arranged in the middle of the material collecting box, a water pump is arranged below the filter screen, a pipeline is arranged on the water pump, one side, far away from the water pump, of the pipeline is provided with a valve, and the pipeline penetrates through the material collecting box and is communicated with the valve.

By adopting the technical scheme, the cutting fluid during workpiece processing flows into the material collecting box through the through groove, then flows into the bottom of the material collecting box through the filter screen, when the cutting fluid below reaches a certain degree, the water pump is started, discharges the sucked cutting fluid to the pipeline, and finally opens the valve to collect the cutting fluid for secondary utilization.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an exploded view of an embodiment tensioning mechanism;

fig. 5 is another angular exploded view of the tensioning mechanism of the embodiment.

Reference numerals: 1. a body; 2. a chuck; 3. a first motor; 4. a material collecting box; 5. a filter screen; 6. a universal wheel; 7. a handle; 8. a tensioning mechanism; 81. a second circular ring; 82. a second clamping groove; 83. a sleeve; 84. a spring; 85. a bearing; 9. a water pump; 10. a pipeline; 11. a valve; 12. a support bar; 13. a second motor; 14. a support pillar; 15. reinforcing ribs; 16. a through groove; 17. a cutting fluid pipe; 18. a fixing plate; 19. a bolt; 20. a support ring; 21. a hob main shaft; 22. a first circular ring; 23. a first clamping block; 24. a second clamping block; 25. and a first clamping groove.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

The utility model provides a hobbing cutter main shaft of gear hobbing machine, sees figure 1 to 5, includes organism 1 and chuck 2, and organism 1 one side is provided with chuck 2, and the welding has cutting fluid pipe 17 on chuck 2, and cutting fluid pipe 17 is the hose, and when the work piece is adding man-hour, cutting fluid pipe 17 spouts the cutting fluid to the work piece on, has played refrigerated effect for the work piece, and the hose can make things convenient for operating personnel adjustment position. Be provided with fixed plate 18 in the chuck 2, fixed plate 18 is connected through a plurality of bolt 19 with chuck 2, when fixed plate 18 needs to be changed, only needs to take out bolt 19 and can change. Two supporting rings 20 are welded on one side of the fixing plate 18 away from the chuck 2, hob spindles 21 are arranged in the two supporting rings 20, and the two supporting rings 20 play a role in supporting the hob spindles 21.

Logical groove 16 has been seted up to organism 1 up end, it is provided with case 4 to lead to groove 16 below, it is provided with filter screen 5 to gather in the middle of in the case 4, waste material and cutting fluid that the work piece adds man-hour enter into to gathering in the case 4 through leading to groove 16, the waste material is located filter screen 5 top, the cutting fluid flows in to 4 bottoms of case that gather, filter screen 5 below is provided with water pump 9, be provided with pipeline 10 on the water pump 9, start water pump 9, water pump 9 arranges inspiratory cutting fluid to pipeline 10, pipeline 10 keeps away from water pump 9 one side and is provided with valve 11, case 4 is worn to establish to gather by pipeline 10, and be linked together with valve 11, later open valve 11 again and collect cutting fluid, and reutilization.

The welding of the outward appearance one side of case 4 that gathers materials has handle 7, and the terminal surface welding has four universal wheels 6 under the case 4 that gathers materials, and when the waste material in the case 4 that gathers materials reachd certain degree, operating personnel pulled the case 4 that gathers materials to the place of empting with handle 7, and universal wheel 6 has played the effect of transportation.

The supporting rod 12 is arranged above the through groove 16, the second motor 13 is welded below the supporting rod 12, the supporting column 14 is welded at the bottom end of the second motor 13, the plurality of reinforcing ribs 15 are welded on the outer surface of the bottom of the supporting column 14, the plurality of reinforcing ribs 15 are fixedly connected with the inner wall of the through groove 16, then the second motor 13 is started, the second motor 13 rotates to drive the supporting rod 12 to rotate, and the supporting rod 12 rotates to drive the workpiece to rotate.

The first clamping block 23 and the second clamping block 24 are welded to the two sides of the hob spindle 21 respectively, a first ring 22 is arranged on one side of the first clamping block 23, a first clamping groove 25 is formed in the first ring 22, the first clamping block 23 and the first clamping groove 25 are square and clamped with each other, friction force between the square and the first clamping groove is larger when the square rotates, a first motor 3 is welded on one side, away from the first clamping block 23, of the first ring 22, the first motor 3 is fixedly connected with the machine body 1, a tensioning mechanism 8 is arranged on one side of the second clamping block 24, the tensioning mechanism 8 comprises a sleeve 83 and a spring 84, a second ring 81 is arranged on one side of the second clamping block 24, a second clamping groove 82 is formed in the second ring 81, the second clamping groove 82 is clamped with the second clamping block 24, the second clamping block 24 and the second clamping. The second ring 81 is welded with a spring 84 on the side away from the second clamping block 24, the spring 84 is located inside the sleeve 83, the spring 84 is fixedly connected with the inner wall of the sleeve 83, a bearing 85 is arranged on the sleeve 83, and the bearing 85 is located inside the machine body 1.

In actual operation, an operator fixes a workpiece on the supporting rod 12, then starts the first motor 3, the first motor 3 rotates to drive the first ring 22 to rotate, the first ring 22 rotates to drive the first clamping block 23 and the hob main shaft 21 to rotate, the hob main shaft 21 rotates to drive the second clamping block 24 and the second ring 81 to rotate, the second ring 81 rotates to drive the sleeve 83 to rotate in the bearing 85, and the hob main shaft 21 rotates to enable the rotating workpiece to complete machining. When the hob spindle 21 needs to be replaced due to high abrasion strength, when an operator moves the second clamping block 24 of the hob spindle 21 inwards, the second clamping block 24 moves inwards to extrude the spring 84, the first clamping block 23 on the hob spindle 21 is separated from the first clamping groove 25, and finally the hob spindle 21 is taken down and the spring 84 is reset. When a new hob main shaft 21 is installed, the second clamping block 24 on the hob main shaft 21 is aligned with the second clamping groove 82, then the second clamping block 24 moves inwards, the spring 84 continues to be extruded, and finally the first clamping block 23 is aligned with the first clamping groove 25.

Claims

1. The hobbing cutter main shaft of the gear hobbing machine comprises a machine body (1) and a chuck (2), and is characterized in that the chuck (2) is arranged on one side of the machine body (1), a fixing plate (18) is arranged in the chuck (2), the fixing plate (18) is connected with the chuck (2) through a plurality of bolts (19), two support rings (20) are welded on one side of the chuck (2) and are kept away from the fixing plate (18), a hobbing cutter main shaft (21) is arranged in the two support rings (20), a first clamping block (23) and a second clamping block (24) are welded on two sides of the hobbing cutter main shaft (21) respectively, a first ring (22) is arranged on one side of the first clamping block (23), a first clamping groove (25) is formed in the first ring (22), the first clamping block (23) is clamped with the first clamping groove (25), the first clamping block (22) is kept away from one side of the first clamping block (23, the utility model discloses a motor, including organism (1), motor one (3), fixture block two (24) one side is provided with straining device (8), organism (1) up end has been seted up and has been led to groove (16), it is provided with bracing piece (12) to lead to groove (16) top, the welding of bracing piece (12) below has motor two (13), the bottom welding of motor two (13) has support column (14), the outer surface welding in support column (14) bottom has a plurality of strengthening ribs (15), a plurality of strengthening ribs (15) all with it is fixed connection to lead to groove (16) inner wall.

2. The hob spindle of a gear hobbing machine according to claim 1, characterized in, that a cutting fluid pipe (17) is welded to the chuck (2), the cutting fluid pipe (17) being a hose.

3. The hobbing cutter spindle of the gear hobbing machine according to claim 2, characterized in that the tensioning mechanism (8) comprises a sleeve (83) and a spring (84), a second ring (81) is arranged on one side of the second clamping block (24), a second clamping groove (82) is formed in the second ring (81), the second clamping groove (82) is clamped with the second clamping block (24), the spring (84) is welded on one side, away from the second clamping block (24), of the second ring (81), the spring (84) is located in the sleeve (83), the spring (84) is fixedly connected with the inner wall of the sleeve (83), a bearing (85) is arranged on the sleeve (83), and the bearing (85) is located in the machine body (1).

4. The hob spindle of a gear hobbing machine according to claim 3, characterized in that said first block (23), said second block (24), said first slot (25) and said second slot (82) are square.

5. The hobbing cutter main shaft of gear hobbing machine according to claim 4, characterized in that, the logical groove (16) below is provided with the case (4) that gathers materials, gather materials case (4) outward appearance one side welding have handle (7), gather materials case (4) lower terminal surface welding have four universal wheels (6).

6. The hobbing cutter main shaft of gear hobbing machine according to claim 5, characterized in that, the middle is provided with filter screen (5) in collection workbin (4), be provided with water pump (9) below filter screen (5), be provided with pipeline (10) on water pump (9), pipeline (10) keep away from water pump (9) one side is provided with valve (11), pipeline (10) wear to establish collection workbin (4), and with valve (11) are linked together.