CN214443191U

CN214443191U - Machining center for machining gear

Info

Publication number: CN214443191U
Application number: CN202023343254.3U
Authority: CN
Inventors: 朱国军; 石成刚; 葛杰飞
Original assignee: Hangzhou Qianjin General Machinery Co ltd
Current assignee: Hangzhou Qianjin General Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-22
Anticipated expiration: 2030-12-31

Abstract

The application relates to a machining center for machining gears, and relates to the technical field of gear machining. This application includes the base, the vertical stand that sets up in the base upper end, the rocking arm that the level set up and set up the headstock on the rocking arm, the outer peripheral face of stand is located to the one end movable sleeve of rocking arm, the headstock slides along the length direction of rocking arm and sets up, the drill bit that is used for drilling is installed to the lower extreme of headstock, the workstation is still installed to the upper end of base, the upper end of workstation is equipped with supporting component, drive assembly and support tight subassembly, drive assembly includes servo motor and joint in the helical gear of servo motor output shaft, the helical gear meshing is connected in the skewed tooth section of accessory. After a through hole is finished in the drill bit machining process, the bevel gear is driven to rotate by the servo motor, and the bevel gear drives the accessory to rotate, so that the drill bit can directly machine the next through hole, and the workload of workers is reduced.

Description

Machining center for machining gear

Technical Field

The application relates to the field of gear machining, in particular to a machining center for machining a gear.

Background

The radial drilling machine belongs to one of machining centers, is a common lathe in a machining workshop, and has the advantages of convenience and flexibility in operation and wide application range. Generally, the swing arm mechanism comprises a base, a vertical column, a swing arm, a spindle box and a workbench, wherein the swing arm can rotate and lift around the vertical column, and the spindle box can horizontally move along the swing arm.

Referring to fig. 1, a cylindrical machine accessory 1 is provided, an outer peripheral surface of the accessory 1 includes a drilling section 11 and a helical tooth section 12 which are continuously arranged along an axial direction of the accessory 1, a circle of helical teeth 121 are formed on the helical tooth section 12, eight through holes 111 which are arranged at equal intervals around an axis of the accessory 1 are formed in an outer peripheral surface of the drilling section 11, and the through holes 111 penetrate through an inner wall of the accessory 1. The through hole 111 is generally formed by a radial drill, and when the through hole is formed, a vise is fixed to a table 21 of the radial drill, the vise abuts against and holds both ends of the fitting 1, and the radial drill performs drilling from top to bottom.

In view of the above-mentioned related art, the inventor believes that, since each fitting 1 is provided with a plurality of through holes 111, and the distance between two adjacent through holes 111 is consistent, the worker needs to rotate the fitting 1 by the same angle after each through hole 111 is formed, and then clamp and fix the fitting again, which causes a problem of large workload.

SUMMERY OF THE UTILITY MODEL

In order to reduce the workload of workers, the application provides a machining center for machining gears.

The application provides a machining center for processing gear adopts following technical scheme:

a machining center for machining gears comprises a base, a stand column arranged at the upper end of the base, a rocker arm horizontally arranged and a main shaft box, wherein the outer peripheral surface of the stand column is sleeved with one end of the rocker arm in a sliding mode, the main shaft box is connected to the rocker arm in a sliding mode along the horizontal direction, a drill bit is installed at the lower end of the main shaft box, a workbench is installed at the upper end of the base, a supporting component used for supporting accessories and a driving component used for driving the accessories to rotate around the axis of the workbench are installed at the upper end of the workbench, the supporting component comprises a fixing block used for abutting against one end of the accessories and a first supporting shaft used for being matched with the inner wall of an inclined tooth section of the accessories in a rotating mode, the first supporting shaft is horizontally arranged, one end of the first supporting shaft is connected to the fixing block, the driving component comprises a servo motor and a helical gear used for being connected to the inclined tooth section of the accessories in a meshing mode, the bevel gear is clamped on an output shaft of the servo motor, and the workbench is further provided with a clamping component used for clamping the accessories on the fixing block.

By adopting the technical scheme, before drilling the accessory, a worker firstly sleeves the accessory on the peripheral surface of the first supporting shaft, the first supporting shaft is in rotating fit with the inner wall of the oblique tooth section of the accessory, the oblique gear on the output shaft of the motor is meshed with the oblique tooth section of the accessory, the accessory is tightly propped against the side surface of the fixed block by the propping assembly, the rocker arm moves downwards along the upright column and is close to the accessory, and the drill bit drills the accessory; after drilling is finished, the abutting component is far away from the accessory, the bevel gear is driven by the servo motor to rotate, the bevel gear drives the accessory to rotate by a specific angle, the position of the accessory to be drilled next is located right below the drill bit, then the abutting component abuts against the accessory to the fixed block, the drill bit continues to drill, and the steps are repeated until the through hole on the peripheral surface of the accessory is machined; through setting up actuating mechanism, can assist the staff to accomplish drilling processing, be favorable to reducing staff's work load.

Optionally, support tight subassembly and include the orientation the movable block that the fixed block activity set up with be used for driving the cylinder of movable block motion, the movable block is close to the side of fixed block is equipped with the second back shaft that is used for butt accessory drilling section inner wall, second back shaft level set up and one end connect in the movable block, the hole of dodging that is used for dodging the drill bit is offered to the second back shaft.

Through adopting above-mentioned technical scheme, the accessory clamping is accomplished the back, and the accessory is supported tightly between movable block and fixed block, and second back shaft butt plays better supporting role in the inner wall of accessory drilling section to the accessory, is favorable to reducing the condition that slight deformation appears in the accessory receiving the pressure of drill bit when drilling.

Optionally, an anti-slip rubber layer is arranged on the side face, close to the fixed block, of the movable block.

Through adopting above-mentioned technical scheme, because the non-slip rubber layer has elasticity, under the promotion of cylinder, the movable block supports the accessory tightly in the fixed block, and the non-slip rubber layer takes place elastic deformation, is the flexonics between non-slip rubber layer and the accessory, can reduce the accessory and receive drill bit pressure and take place slight pivoted possibility, is favorable to improving the machining precision of drilling.

Optionally, one end of the second support shaft, which is far away from the movable block, is provided with a chamfer.

Through adopting above-mentioned technical scheme, set up the chamfer after, when the cylinder drive movable block is close to the accessory, the second back shaft can be pegged graft to the inner wall of accessory more easily in, is favorable to reducing the degree of difficulty of accessory clamping.

Optionally, a bushing is sleeved on the outer circumferential surface of the first support shaft, and the inner circumferential surface of the bushing is in running fit with the outer circumferential surface of the first support shaft.

Through adopting above-mentioned technical scheme, the bush sets up between first supporting shaft and accessory, is favorable to reducing the wearing and tearing of first supporting shaft after the long-time work, improves the life of first supporting shaft, if the bush wearing and tearing seriously directly change the bush can, reduce part replacement cost.

Optionally, the bushing comprises a tapered surface for interference fit with the inner wall of the fitting helical tooth section.

Through adopting above-mentioned technical scheme, the toper is personally submitted in the periphery of bush, and under the promotion of cylinder, the outer peripheral face of bush and the inner wall interference fit of accessory, if the internal diameter of accessory has the multiple size of variation in size, the outer peripheral face of bush is located to the accessory still can fix the cover, improves supporting component's suitability.

Optionally, one end of the first supporting shaft, which is far away from the fixing block, is provided with an anti-dropping disc, and the anti-dropping disc is detachably connected to the first supporting shaft.

Through adopting above-mentioned technical scheme, the anticreep dish is used for avoiding the bush to deviate from first supporting shaft, carries out axial spacing to the bush for whole supporting component normal operating.

Optionally, the outer circumferential surface of the first support shaft is provided with a lubrication groove for accommodating grease.

Through adopting above-mentioned technical scheme, can fill semisolid lubricating grease in the lubrication groove, the relative rotation takes place for bush and first supporting shaft, forms one deck lubricating grease between bush and the first supporting shaft to reduce the wearing and tearing of bush and first supporting shaft, be favorable to improving life between them.

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

1. by arranging the driving mechanism, the drilling processing is completed by the auxiliary workers, so that the workload of the workers is reduced;

2. through setting up the bush, be favorable to reducing the wearing and tearing of first supporting axle, improve first supporting axle's life, reduce part replacement cost.

Drawings

FIG. 1 is a schematic view of a fitting of the related art;

FIG. 2 is a schematic structural diagram of a machining center for machining gears according to an embodiment of the present disclosure;

figure 3 is a partial exploded view of the support assembly, drive assembly and hold-down assembly of figure 2.

Description of reference numerals: 1. an accessory; 11. drilling a hole section; 111. a through hole; 12. a helical tooth section; 121. oblique teeth; 2. a base; 21. a work table; 211. clamping grooves; 212. a T-bolt; 213. pressing the die into a block; 3. a column; 4. a rocker arm; 5. a main spindle box; 51. a drill bit; 6. a support assembly; 61. a support plate; 62. a fixed block; 63. a first support shaft; 631. a lubrication groove; 64. a bushing; 641. a conical surface; 65. a tray is prevented from falling; 7. a drive assembly; 71. a servo motor; 72. a helical gear; 8. a propping component; 81. a cylinder; 82. a movable block; 821. an anti-slip rubber layer; 83. a second support shaft; 831. avoiding the hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, the cylindrical machine accessory 1 is provided, an outer peripheral surface of the accessory 1 includes a drilling section 11 and a helical tooth section 12 which are continuously arranged along an axial direction of the accessory 1, a circle of helical teeth 121 are formed on the helical tooth section 12, a plurality of through holes 111 which are arranged at equal intervals around an axis of the accessory 1 are formed in the outer peripheral surface of the drilling section 11, and the through holes 111 penetrate through an inner wall of the accessory 1.

The embodiment of the application discloses a machining center for machining a gear.

Referring to fig. 2, a machining center for processing gear includes base 2, vertical stand 3 that sets up in base 2 upper end, the rocking arm 4 of level setting and set up headstock 5 on rocking arm 4, and the outer peripheral face of stand 3 is located to the one end movable sleeve of rocking arm 4 for rocking arm 4 can enough rotate round stand 3, also can slide from top to bottom along stand 3. The headstock 5 is slidably provided along the longitudinal direction of the rocker arm 4, and a drill 51 for drilling is attached to the lower end of the headstock 5. The upper end of the base 2 is further provided with a workbench 21, the workbench 21 is positioned below the spindle box 5, the upper end of the workbench 21 is provided with a plurality of clamping grooves 211 which are distributed at equal intervals, the cross section of each clamping groove 211 is in an inverted T shape, and the clamping grooves 211 penetrate through the workbench 21 along the horizontal direction.

Referring to fig. 2 and 3, the upper end of the table 21 is provided with a support assembly 6 and a driving assembly 7, and the support assembly 6 includes a rectangular support plate 61, a fixing block 62 disposed at the upper end of the support plate 61, and a first support shaft 63 disposed on the fixing block 62. The support plate 61 is fixed to the upper end of the table 21 by a T-bolt 212 and a die holder 213, the fixing block 62 is in a cubic shape, and the fixing block 62 is welded to the support plate 61. The first supporting shaft 63 is horizontally arranged, the outer diameter of the first supporting shaft 63 is smaller than the inner diameter of the skewed tooth section 12 of the accessory 1, and one end of the first supporting shaft 63 is fixedly connected to one side face of the fixing block 62. The outer peripheral surface of the first support shaft 63 is fitted with a bush 64, and the inner wall of the bush 64 is rotationally fitted with the outer wall of the first support shaft 63. The bushing 64 includes a tapered surface 641 which is in interference fit with the inner wall of the skewed tooth section 12 of the fitting 1, that is, the outer circumferential surface of the bushing 64 is tapered, the inner diameter of the skewed tooth section 12 of the fitting 1 is larger than the outer diameter of the bushing 64 at the end far away from the fixed block 62, and the inner diameter of the skewed tooth section 12 of the fitting 1 is smaller than the outer diameter of the bushing 64 at the end near the fixed block 62.

The one end that fixed block 62 was kept away from to first supporting shaft 63 is equipped with anticreep dish 65, anticreep dish 65 threaded connection in the tip of first supporting shaft 63, and the diameter of anticreep dish 65 equals the external diameter that fixed block 62 one end was kept away from to bush 64, can carry out the axial spacingly to bush 64 for avoid bush 64 to deviate from first supporting shaft 63. The outer circumferential surface of the first support shaft 63 is provided with a plurality of lubrication grooves 631, the lubrication grooves 631 are blind grooves, and each lubrication groove 631 is filled with semi-solid grease in a pressing manner. The driving assembly 7 comprises a servo motor 71 and a bevel gear 72 fixedly arranged at the upper end of the supporting plate 61, the bevel gear 72 is clamped with an output shaft of the servo motor 71, and the bevel gear 72 is in meshed connection with the bevel gear section 12 of the accessory 1.

The supporting plate 61 is further provided with a tightening component 8, the tightening component 8 comprises a cylinder 81 fixedly mounted on the supporting plate 61 and a movable block 82 connected to the piston end of the cylinder 81 in a threaded manner, and the movable block 82 can horizontally move towards the fixed block 62 under the pushing of the cylinder 81. The movable block 82 is in a rectangular plate shape, an anti-slip rubber layer 821 is bonded to the side face, close to the fixed block 62, of the movable block 82, and the anti-slip rubber layer 821 is made of rubber with good elasticity. The side level that the movable block 82 is close to fixed block 62 is provided with second back shaft 83, and the one end fixed connection of second back shaft 83 is in movable block 82, and the other end runs through non-slip rubber layer 821 to the other end is equipped with the chamfer. The diameter of the second support shaft 83 is identical to the inner diameter of the drilling section 11 of the fitting 1, and the length of the second support shaft 83 is smaller than the length of the drilling section 11 of the fitting 1 in the axial direction. The one end that second back shaft 83 was equipped with the chamfer is seted up and is used for dodging the hole 831 of dodging drill bit 51, dodges the hole 831 and runs through second back shaft 83 along vertical direction.

When the worker drills the fitting 1, firstly, the fitting 1 is sleeved on the bushing 64 of the first supporting shaft 63, the cylinder 81 pushes the movable block 82 to be close to and abut against the fitting 1, the fitting 1 is horizontally pushed to be close to the fixed block 62, and therefore the inner wall of the inclined tooth section 12 of the fitting 1 is in interference fit with the tapered surface 641 of the bushing 64. The bush 64 is able to slide in the axial direction of the first support shaft 63, so that the fitting 1 and the bush 64 are pressed between the movable block 82 and the fixed block 62 by the cylinder 81. The drill 51 of the headstock 5 moves downward to drill the drilling section 11 of the attachment 1, and after the through-hole 111 is machined, the drill 51 exits the through-hole 111 upward. The air cylinder 81 drives the movable block 82 to be away from the accessory 1, the servo motor 71 drives the bevel gear 72 to rotate for a certain angle, the accessory 1 rotates for 45 degrees under the transmission of the bevel gear 72, then the air cylinder 81 drives the movable block 82 to abut against the accessory 1, and therefore the drill 51 can process the next through hole 111, the steps are repeated, and all the through holes 111 are processed.

The implementation principle of the embodiment is as follows: by arranging the anti-slip rubber layer 821, the anti-slip rubber layer 821 is in flexible contact with the accessory 1, so that the possibility that the accessory 1 slightly rotates under the pressure of the drill bit 51 can be reduced, and the processing precision of drilling is improved; by arranging the bushing 64, the abrasion of the first supporting shaft 63 is reduced, the service life of the first supporting shaft 63 is prolonged, and the part replacement cost is reduced; through setting up the lubrication groove 631, can fill semisolid lubricating grease in the lubrication groove 631, reduce the wearing and tearing of bush 64 and first supporting shaft 63, be favorable to improving life between them.

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. The utility model provides a machining center for processing gear, include base (2), set up in stand (3), the rocking arm (4) and headstock (5) that the level set up of base (2) upper end, the one end sliding sleeve of rocking arm (4) is located the outer peripheral face of stand (3), headstock (5) along horizontal direction sliding connection in rocking arm (4), drill bit (51) are installed to the lower extreme of headstock (5), workstation (21), its characterized in that are installed to the upper end of base (2): the upper end of the workbench (21) is provided with a supporting component (6) for supporting the accessory (1) and a driving component (7) for driving the accessory (1) to rotate around the axis of the accessory, the supporting component (6) comprises a fixed block (62) used for abutting against one end of the accessory (1) and a first supporting shaft (63) used for being matched with the inner wall of the helical tooth section (12) of the accessory (1) in a rotating mode, the first supporting shaft (63) is horizontally arranged, one end of the first supporting shaft (63) is connected to the fixing block (62), the drive assembly (7) comprises a servo motor (71), a helical gear (72) for engaging the helical gear section (12) connected to the fitting (1), the bevel gear (72) is clamped on an output shaft of the servo motor (71), the workbench (21) is also provided with a propping assembly (8) for propping the accessory (1) to the fixed block (62).

2. A machining center for machining a gear according to claim 1, characterized in that: support tight subassembly (8) including orientation movable block (82) that fixed block (62) activity set up and be used for the drive cylinder (81) of movable block (82) motion, movable block (82) are close to the side of fixed block (62) is equipped with second back shaft (83) that are used for butt accessory (1) drilling section (11) inner wall, second back shaft (83) level setting and one end connect in movable block (82), second back shaft (83) are seted up and are used for dodging avoiding hole (831) of drill bit (51).

3. A machining center for machining a gear according to claim 2, characterized in that: and an anti-skid rubber layer (821) is arranged on the side surface of the movable block (82) close to the fixed block (62).

4. A machining center for machining a gear according to claim 2, characterized in that: and a chamfer is arranged at one end, far away from the movable block (82), of the second support shaft (83).

5. A machining center for machining a gear according to claim 1, characterized in that: the outer peripheral surface of the first supporting shaft (63) is sleeved with a bushing (64), and the inner peripheral surface of the bushing (64) is in running fit with the outer peripheral surface of the first supporting shaft (63).

6. A machining center for machining gears according to claim 5, characterized in that: the bushing (64) comprises a conical surface (641) used for being in interference fit with the inner wall of the inclined tooth section (12) of the fitting (1).

7. A machining center for machining gears according to claim 5, characterized in that: keep away from first supporting shaft (63) the one end of fixed block (62) is equipped with anticreep dish (65), anticreep dish (65) can dismantle connect in first supporting shaft (63).

8. A machining center for machining gears according to claim 5, characterized in that: the outer peripheral surface of the first support shaft (63) is provided with a lubrication groove (631) for containing grease.