CN215545391U

CN215545391U - Horizontal broaching machine for machining gear key groove

Info

Publication number: CN215545391U
Application number: CN202121921052.4U
Authority: CN
Inventors: 周顺金
Original assignee: Taizhou Geling Machinery Co ltd
Current assignee: Taizhou Geling Machinery Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-18
Anticipated expiration: 2031-08-16

Abstract

The application relates to a horizontal broaching machine for machining a gear keyway, which comprises a base, wherein a supporting seat is arranged on the base, a supporting hole is formed in the supporting seat, a gear seat for sleeving a gear is also arranged on the supporting seat, a broach slot is formed in the gear seat, and the broach slot is communicated with the supporting hole for a broach to pass through so as to open a groove in a workpiece; the base is also provided with a broach seat, the broach seat is connected to the base in a sliding manner towards the direction far away from the supporting seat, and the broach seat is used for mounting a broach; the base is further provided with a driving piece for driving the broach seat to move, the supporting seat is further provided with a positioning block, one end of the positioning block, facing the gear seat, is provided with a positioning tooth part, and the positioning tooth part is used for being meshed with the gear. When the broaching tool is used for carrying out key groove machining on the gear, the positioning tooth part is meshed with the gear, so that the rotation of the gear relative to the gear seat can be reduced, the adverse effect of the rotation of the gear on the broaching tool is reduced, the machining error is reduced, and the machining precision of the key groove is improved.

Description

Horizontal broaching machine for machining gear key groove

Technical Field

The application relates to the technical field of equipment for gear machining, in particular to a horizontal broaching machine for machining a gear keyway.

Background

When gear and axle type part installation assembly, in order to guarantee the stability in the in-service use, often need to open there is the keyway on the gear, uses with epaxial key cooperation. In addition, the broaching tool is generally used for machining the key groove, and when the broaching tool is actually used for machining the gear, circumferential vibration is easily generated, so that the machining precision of the key groove is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the machining precision of gear keyway, this application provides a horizontal broaching machine of gear keyway processing.

The application provides a horizontal broaching machine of gear keyway processing adopts following technical scheme:

a horizontal broaching machine for machining gear keyways comprises a base, wherein a supporting seat is arranged on the base, supporting holes are formed in the supporting seat, a gear seat for sleeving a gear is further arranged on the supporting seat, a broach slot is formed in the gear seat, and the broach slot is communicated with the supporting holes for a broach to pass through so as to open slots in the gear; the base is further provided with a broach seat, the broach seat is connected to the base in a sliding manner towards the direction far away from the supporting seat, and the broach seat is used for mounting broaches; still be equipped with the driving piece that the drive broach seat removed on the base, the supporting seat still is equipped with the locating piece, the one end of locating piece orientation pinion stand is equipped with location tooth portion, location tooth portion is used for with gear engagement.

Through above-mentioned technical scheme, the broach carries out the keyway processing to the gear and adds, and location tooth portion and gear engagement can reduce the rotation of gear for the gear seat, reduce the harmful effects that gear rotation caused broach processing, reduce machining error, improve the machining precision of keyway.

Optionally, the positioning block is connected to the support seat in a sliding manner, and the sliding direction of the positioning block faces the gear seat; the supporting seat is further provided with a pressing cylinder, and the pressing cylinder is used for driving the positioning block to slide so that the positioning tooth part is meshed with the gear.

Through above-mentioned technical scheme, support tight cylinder and can control the relative supporting seat of locating piece and slide, when the gear need be in the gear seat installation or when dismantling, can control the locating piece and slide towards the direction of keeping away from the gear seat, make things convenient for the gear in the installation of gear seat or dismantle, improve the convenience of operation.

Optionally, a clamping block is arranged at one end of the positioning tooth part, which is away from the gear seat, and a clamping groove is arranged at one end of the positioning block, which faces the gear seat; when the positioning tooth part is arranged on the positioning block, the clamping block is embedded into the clamping groove.

Through the technical scheme, the positioning tooth part is convenient to detach from the positioning block, and the positioning tooth part is convenient to replace.

Optionally, the groove wall of the clamping groove is provided with an elastic convex point, and the side wall of the clamping block is provided with a groove; when the clamping block is embedded into the clamping groove, the elastic salient points are embedded into the grooves.

Through above-mentioned technical scheme, stability when increaseing the fixture block embedding draw-in groove.

Optionally, the base up end is equipped with two jacking cylinders, two the jacking cylinder is located respectively the both sides of supporting seat, the output rod of every jacking cylinder all is perpendicular to the up end of base, and the output rod of every jacking cylinder all is fixed with the jacking platform, the jacking platform is used for the support of broach bottom.

Through above-mentioned technical scheme, reduce the broach and carry out the shake that keyway processing produced to the gear, improve the machining precision of gear keyway.

Optionally, a broach hole is formed in the end surface, facing the support seat, of the broach seat, and an installation groove is formed in the end surface, facing away from the base, of the broach seat, and the installation groove is communicated with the broach hole; the mounting groove is connected with a clamping block in a sliding manner; the broach is provided with a clamping groove, and when the broach is arranged on the broach seat, the clamping block is embedded into the clamping groove of the broach and used for positioning the broach.

Through above-mentioned technical scheme, improve the broach and carry out the job stabilization nature of keyway processing to the gear, improve the machining precision of gear keyway.

Optionally, a pneumatic finger is fixed on a side wall of the mounting groove, which is far away from the support seat, and a finger clamping sliding direction of the pneumatic finger is perpendicular to the upper end face of the base; when the broach is arranged on the broach seat, the clamping fingers of the pneumatic fingers are used for clamping the handle of the broach.

Through above-mentioned technical scheme, fix the broach, improve the job stabilization nature of broach processing, improve the machining precision of gear keyway.

Optionally, a positioning table is arranged on the end face, facing the supporting seat, of the broach seat, and the positioning table is used for positioning the broach mounted on the broach seat.

Through the technical scheme, the broach is positioned, and the broach is convenient to mount and fix on the broach base.

Optionally, the positioning table is connected to the support base in a sliding manner, and the positioning table slides in a direction perpendicular to the upper end surface of the base; the positioning table is provided with a sliding hole, a positioning bolt penetrates through the sliding hole, penetrates through the sliding hole and is in threaded connection with the supporting seat to fix the positioning table on the supporting seat.

Through above-mentioned technical scheme, make things convenient for the location platform to adjust to the position that is used for the broach location, improve the simple operation nature of broach installation.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) by arranging the positioning tooth part, when the broaching tool carries out key groove processing on the gear, the positioning tooth part can be meshed with the gear, and the rotation of the gear relative to the gear seat is reduced, so that the adverse effect of the gear rotation on broaching tool broaching processing is reduced, the processing error is reduced, and the processing precision of the key groove is improved;

(2) the tight abutting cylinder is arranged, so that the tight abutting cylinder can control the positioning block to slide relative to the supporting seat, when the gear needs to be mounted or dismounted on the gear seat, the positioning block can be controlled to slide towards the direction far away from the gear seat, the gear is convenient to mount or dismount on the gear seat, and the convenience in operation is improved;

(3) through setting up jacking cylinder and jacking platform, the jacking platform is used for the support of broach bottom, promotes the broach and carries out the job stabilization nature of keyway processing to the gear, improves the machining precision of gear keyway.

Drawings

Fig. 1 is an overall schematic diagram of the present embodiment.

Fig. 2 is a schematic view of the supporting seat structure of the present embodiment.

Fig. 3 is a schematic view of a supporting seat of this embodiment.

Fig. 4 is a schematic structural view of the broach seat according to this embodiment.

Fig. 5 is a schematic diagram of a structure of the clamping block of the present embodiment.

Reference numerals: 1. a base; 2. a sliding groove; 3. a supporting seat; 4. a mounting seat; 5. a drive member; 7. a broach seat; 8. jacking a cylinder; 9. a jacking table; 10. a support hole; 11. a gear seat; 12. a broach slot; 13. an installation table; 14. tightly abutting against the air cylinder; 15. positioning blocks; 16. positioning the tooth part; 17. a card slot; 18. elastic salient points; 19. a clamping block; 20. a groove; 21. a slider; 22. a guide groove; 23. mounting grooves; 24. a broach hole; 25. a positioning table; 26. a sliding hole; 27. positioning the bolt; 28. a clamping block; 29. a clamping groove; 30. a pneumatic finger.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a horizontal broaching machine for gear keyway processing.

Referring to fig. 1 and 2, the device comprises a base 1, wherein a sliding groove 2 is formed in the upper end surface of the base 1, and a supporting seat 3 is fixed at the bottom of the sliding groove 2. One side that supporting seat 3 was kept away from to base 1 up end is fixed with mount pad 4, is fixed with driving piece 5 on mount pad 4, and the output of driving piece 5 sets up towards supporting seat 3. The driving part 5 is a hydraulic cylinder, a broach seat 7 is further fixed on the output end of the driving part 5, the broach seat 7 is connected to the sliding groove 2 in a sliding manner towards one end of the base 1, and the broach seat 7 is arranged between the driving part 5 and the supporting seat 3 and used for fixing a broach handle.

Alternatively, the drive element 5 may also be a drive cylinder or a linear motor.

Be fixed with two jacking cylinders 8 on the tank bottom of sliding tray 2, two jacking cylinders 8 are located the both sides of supporting seat 3 respectively, and every jacking cylinder 8's output all sets up towards the notch direction of sliding tray 2, and every jacking cylinder 8's output all is fixed with jacking platform 9, and jacking platform 9 is used for supporting the bottom of broach. Supporting seat 3 has seted up supported hole 10 on deviating from the terminal surface of driving piece 5, and supporting seat 3 still is fixed with gear seat 11 on deviating from the terminal surface of driving piece 5, and gear seat 11 is cylindric and gear seat 11's axis is on a parallel with the up end of base 1. Broach groove 12 has been seted up to gear seat 11, and the notch of broach groove 12 deviates from the up end setting of base 1, and broach groove 12 and supporting hole 10 intercommunication and broach groove 12 keep away from the cell wall of the one end of supporting hole 10 and link up in the one end that gear seat 11 kept away from supporting seat 3. One end of the supporting seat 3 departing from the driving part 5 is further fixed with an installation table 13, a tight abutting cylinder 14 is fixed on the installation table 13, the output end of the tight abutting cylinder 14 is arranged towards the gear seat 11, a positioning block 15 is fixed at the output end of the tight abutting cylinder 14, the length direction of the positioning block 15 is a rectangular block and is parallel to the axis direction of the gear seat 11, and a positioning tooth part 16 is installed on the end face of the positioning block 15 towards the gear seat 11.

In the process of processing a key groove of a gear, a gear seat 11 is used for mounting the gear, the thickness of a tool shank of a broach is smaller than the groove depth of a broach groove 12, the height of a tool tooth of the broach is higher than the height of the upper end of an inner hole of the gear, the height of the tool tooth of the broach is gradually increased along the direction far away from the tool shank, the maximum thickness of the broach is smaller than the aperture of a support hole, and the tool shank of the broach can pass through the broach groove 12 and the support hole 10 and is fixed on a broach seat 7; the output ends of the two jacking cylinders 8 move towards the direction of the notch of the sliding groove 2, and jack the jacking table 9 to the position attached to the bottom of the broach for supporting the bottom of the broach; the tight-resisting cylinder 14 pushes the positioning block 15 to slide towards the gear seat 11, so that the positioning tooth part 16 is meshed with the gear, the rotation of the gear relative to the gear seat 11 is reduced, the influence of the rotation of the gear on the key groove machining during broaching of the broach is reduced, and the machining precision is improved; the driving piece 5 pulls the broach seat 7 to slide along the base 1 towards the direction far away from the supporting seat 3, and the broach seat 7 drives broach broaching to process the key groove of the gear. After finishing the processing of gear keyway, the broach no longer contacts with supporting seat 3, dismantles the handle of a knife of broach from broach seat 7, and jacking cylinder 8 is towards the notch direction motion of keeping away from sliding tray 2, takes off the broach, supports tight cylinder 14 and makes location tooth portion 16 no longer with gear engagement towards the direction motion of keeping away from gear seat 11, then takes out the gear that processing was accomplished.

Referring to fig. 2 and 3, a clamping groove 17 is formed in the end face, facing the gear seat 11, of the positioning block 15, a notch of the clamping groove 17 is formed in the end face, facing the gear seat 11, of the clamping groove 17, the clamping groove 17 is a rectangular groove, the clamping groove 17 penetrates through two side walls of the positioning block 15 in the length direction along the length direction of the clamping groove, four elastic bumps 18 are fixed on the two side walls of the clamping groove 17 in the width direction, and the four elastic bumps 18 on each side wall are uniformly distributed along the length direction of the clamping groove 17. One end of the positioning tooth portion 16 departing from the gear seat 11 is provided with a fixture block 19, the fixture block 19 is a rectangular block, two side walls in the width direction of the fixture block 19 correspond to two side walls in the width direction of the fixture groove 17 one by one, four grooves 20 are formed in the two side walls in the width direction of the fixture block 19, and the four grooves 20 in each side wall of the fixture block 19 correspond to the four elastic bumps 18 in the corresponding side wall of the fixture groove 17 one by one. The positioning tooth part 16 and the fixture block 19 are integrally arranged, and the material is generally aluminum alloy or engineering plastic. When the positioning tooth part 16 is mounted on the positioning block 15, the clamping blocks 19 are embedded into the clamping grooves 17, and the elastic salient points 18 are embedded into the grooves 20 in a one-to-one correspondence manner, so that the possibility that the positioning tooth part 16 is separated from the positioning block 15 is reduced.

Referring to fig. 4, a sliding block 21 is fixed on the end surface of the broach base 7 facing the base 1, a guide groove 22 is arranged on the upper end surface of the base 1 along the length direction, and the broach base 7 slides on the base 1 through the matching of the sliding block 21 and the guide groove 22.

Referring to fig. 4 and 5, an installation groove 23 is formed in the end surface of the broach base 7 away from the base 1, a broach hole 24 is formed in the end surface of the broach base 7 away from the installation base 4, and the broach hole 24 is communicated with the installation groove 23. The end face of broach seat 7 deviating from mount pad 4 slides and is connected with location platform 25, and location platform 25 slides on broach seat 7 along the direction of perpendicular base 1 up end, has seted up two holes 26 that slide on the location platform, and every hole 26 that slides all wears to establish and is connected with a positioning bolt 27, and positioning bolt 27 passes hole 26 that slides and threaded connection is used for being fixed in broach seat 7 with location platform 25 in broach seat 7.

The mounting groove 23 slides and is connected with joint piece 28, and joint piece 28 slides along the direction of perpendicular base 1 up end, and joint piece 28 is equipped with centre gripping groove 29 towards the one end of base 1, and centre gripping groove 29 runs through in two terminal surfaces of joint piece 28 along the length direction of base 1. The wall of the mounting groove 23 close to the mounting seat 4 is fixed with a pneumatic finger 30, and the finger clamping sliding direction of the pneumatic finger 30 is perpendicular to the upper end surface of the base 1.

Broach handle of a knife department is equipped with two joint grooves, and the broach is fixed in the in-process of broach seat 7, and the broach bottom is fixed a position through location platform 25 and is made the broach handle of a knife pass broach hole 24 get into mounting groove 23 in, slide joint piece 28 towards the tank bottom direction of mounting groove 23, make two lateral walls embedding broach of centre gripping groove 29 two joint grooves for with the broach location, two clamp fingers of pneumatic finger 30 move towards the broach and press from both sides the broach handle of a knife tightly.

The working principle of the embodiment is as follows: the gear seat 11 is provided with a gear, the height of the upper end surface of the positioning table of the broach seat 7 is adjusted to be parallel to the height of the bottom of the broach slot 12, the broach passes through the broach slot 12 and the support hole 10 and is positioned by the positioning table 25 and fixed on the broach seat 7, the two jacking cylinders 8 push the jacking table 9 to support the bottom of the broach, the tightening cylinder 14 pushes the positioning block 15 to move towards the gear seat 11 so that the positioning tooth part 16 is meshed with the gear, and the driving piece 5 pulls the broach to process the gear key groove.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A horizontal broaching machine for machining gear keyways comprises a base (1), wherein a supporting seat (3) is arranged on the base (1), a supporting hole (10) is formed in the supporting seat (3), a gear seat (11) for sleeving a gear is further arranged on the supporting seat (3), a broach slot (12) is formed in the gear seat (11), and the broach slot (12) is communicated with the supporting hole (10) for a broach to pass through so as to open the gear; the base (1) is further provided with a broach seat (7), the broach seat (7) is connected to the base (1) in a sliding manner in the direction away from the supporting seat (3), and the broach seat (7) is used for installing a broach; still be equipped with driving piece (5) that the drive broacher seat (7) removed on base (1), its characterized in that: the supporting seat (3) is further provided with a positioning block (15), one end, facing the gear seat (11), of the positioning block (15) is provided with a positioning tooth part (16), and the positioning tooth part (16) is used for being meshed with a gear.

2. The horizontal broaching machine for gear keyway machining according to claim 1, wherein: the positioning block (15) is connected to the supporting seat (3) in a sliding manner, and the sliding direction of the positioning block is arranged towards the gear seat (11); the supporting seat (3) is further provided with a pressing cylinder (14), and the pressing cylinder (14) is used for driving the positioning block (15) to slide so that the positioning tooth part (16) is meshed with the gear.

3. The horizontal broaching machine for gear keyway machining according to claim 1, wherein: a clamping block (19) is arranged at one end of the positioning tooth part (16) departing from the gear seat (11), and a clamping groove (17) is arranged at one end of the positioning block (15) facing the gear seat (11); when the positioning tooth part (16) is arranged on the positioning block (15), the clamping block (19) is embedded into the clamping groove (17).

4. The horizontal broaching machine for gear keyway machining according to claim 3, wherein: the groove wall of the clamping groove (17) is provided with an elastic salient point (18), and the side wall of the clamping block (19) is provided with a groove (20); when the clamping block (19) is embedded into the clamping groove (17), the elastic salient points (18) are embedded into the grooves (20).

5. The horizontal broaching machine for gear keyway machining according to claim 1, wherein: base (1) up end is equipped with two jacking cylinders (8), two jacking cylinder (8) are located respectively the both sides of supporting seat (3), the up end of the equal perpendicular to base (1) of output pole of every jacking cylinder (8), the output pole of every jacking cylinder (8) all is fixed with jacking platform (9), jacking platform (9) are used for the support of broach bottom.

6. The horizontal broaching machine for gear keyway machining according to claim 1, wherein: the end face, facing the supporting seat (3), of the broach seat (7) is provided with a broach hole (24), the end face, facing away from the base (1), of the broach seat (7) is provided with a mounting groove (23), and the mounting groove (23) is communicated with the broach hole (24); the mounting groove (23) is connected with a clamping block (28) in a sliding manner; the broach is provided with a clamping groove, when the broach is arranged on the broach seat (7), the clamping block (28) is embedded into the clamping groove of the broach and used for positioning the broach.

7. The horizontal broaching machine for gear keyway machining according to claim 6, wherein: a pneumatic finger (30) is fixed on the side wall of the mounting groove (23) far away from the supporting seat (3), and the finger clamping sliding direction of the pneumatic finger (30) is vertical to the upper end face of the base (1); when the broach is arranged on the broach seat (7), the clamping fingers of the pneumatic fingers (30) are used for clamping the handle of the broach.

8. The horizontal broaching machine for gear keyway machining according to claim 7, wherein: the end face, facing the supporting seat (3), of the broach seat (7) is provided with a positioning table (25), and the positioning table (25) is used for positioning the broach installed on the broach seat (7).

9. The horizontal broaching machine for gear keyway machining according to claim 8, wherein: the positioning table (25) is connected to the supporting seat (3) in a sliding manner, and the positioning table (25) slides along a direction vertical to the upper end face of the base (1); be equipped with on location platform (25) and slide hole (26), wear to be equipped with positioning bolt (27) on sliding hole (26), positioning bolt (27) pass slide hole (26) and threaded connection is fixed in support seat (3) location platform (25) in support seat (3).