CN214161486U

CN214161486U - Gear machining device for irregular holes

Info

Publication number: CN214161486U
Application number: CN202023344457.4U
Authority: CN
Inventors: 朱国军; 石成刚; 盛永明
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: 2021-09-10
Anticipated expiration: 2030-12-31

Abstract

The application relates to a gear machining device for irregular holes, and relates to the technical field of gear drilling. The outer peripheral surface of a cylindrical fitting needs to be drilled by a radial drilling machine, the fitting is usually clamped and fixed by a bench vice, but the fitting may rotate or displace during the drilling process, so that the drilling accuracy is affected. This application is including the first fixture that is used for centre gripping accessory both ends and the second fixture that is used for the centre gripping accessory outer peripheral face, and second fixture slides the activity butt piece that sets up and is used for driving the gliding cylinder of activity butt piece including the fixed butt piece that sets up, the fixed butt piece of orientation. Because the fixed clamping block and the movable clamping block are abutted to the outer peripheral surface of the accessory, the situation that the accessory rotates or displaces in the machining process can be reduced, and the machining precision of drilling is improved.

Description

Gear machining device for irregular holes

Technical Field

The application relates to the field of gear drilling, in particular to a gear machining device for irregular holes.

Background

The radial drill is a drill in which a swing arm can rotate and lift around a column, and a spindle box generally moves horizontally on the swing arm. Among various drilling machines, the radial drilling machine is convenient and flexible to operate, wide in application range, particularly suitable for hole machining of large parts with multiple holes and common machine tools in common machining workshops.

Referring to fig. 1, a cylindrical machine accessory 1 is provided, an outer circumferential 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, and a plurality of through holes 111 penetrating through an inner wall of the accessory 1 are formed in an outer circumferential surface of the drilling section 11. The through hole 111 of the drilling section 11 is processed by the radial drilling machine 2, and during processing, the bench vice is fixed on the workbench 25 of the radial drilling machine 2, then the accessory 1 to be drilled is clamped and fixed, and the drilling of the radial drilling machine 2 is performed from top to bottom.

In the related art, the inventor thinks that during the drilling process of the fitting 1, the fitting 1 may rotate or displace under the pressure of the drill bit 241, so that the clamping position of the fitting 1 changes, and the drilling precision is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve the drilling precision, the application provides a gear machining device in irregular hole.

The application provides a gear machining device in irregular hole adopts following technical scheme:

a gear machining device for irregular holes comprises a first clamping mechanism used for abutting against two ends of an accessory and a second clamping mechanism used for abutting against the peripheral surface of the accessory, wherein the first clamping mechanism comprises a base, a fixed clamp block fixedly arranged at the upper end of the base and a movable clamp block connected to the base in a sliding mode along the horizontal direction; the second clamping mechanism comprises a fixed abutting block, a movable abutting block and a cylinder, wherein the movable abutting block is horizontally arranged towards the fixed abutting block in a sliding mode, the cylinder is used for driving the movable abutting block to slide, the sliding direction of the movable abutting block is perpendicular to the vertical plane where the axis of the screw rod is located, and the fixed abutting block is arranged on one side, close to the movable clamp block, of the fixed clamp block.

By adopting the technical scheme, when a worker clamps the accessory, the accessory is firstly placed between the fixed clamp block and the movable clamp block and is positioned between the fixed abutting block and the movable abutting block, so that one end of the accessory along the axial direction is abutted to the fixed clamp block, and the peripheral surface of the accessory is abutted to the fixed abutting block; then the cylinder drives the movable abutting block to move towards the fixed abutting block, so that the movable abutting block abuts against the accessory to the fixed abutting block, then the screw rod is rotated, the movable clamp block in threaded connection with the screw rod slides towards the fixed clamp block to be close to, and the accessory is clamped and fixed by utilizing the axial force generated by threaded connection; when the drilling machine drills holes in the accessories, the fixed clamping block and the movable clamping block are abutted to the outer peripheral face of the accessories, so that the situation that the accessories rotate or displace in the machining process can be reduced, and the drilling precision can be improved.

Optionally, one side of the fixed abutting block, which is close to the movable abutting block, is provided with a first arc surface for fitting the peripheral surface of the accessory, and one side of the movable abutting block, which is close to the fixed abutting block, is provided with a second arc surface for fitting the peripheral surface of the accessory.

Through adopting above-mentioned technical scheme, the accessory is by the centre gripping in fixed butt piece and activity grip block, and first cambered surface and second cambered surface can laminate, butt in the outer peripheral face of accessory, and when the drill bit was exerted for accessory decurrent pressure, first cambered surface and second cambered surface can play better supporting role to the accessory to can effectively avoid the accessory to remove downwards, be favorable to improving the machining precision of drilling.

Optionally, an anti-slip rubber layer is arranged on the first arc surface and the second arc surface.

Through adopting above-mentioned technical scheme, when the accessory by the centre gripping between fixed butt piece and activity butt piece, because the anti-skidding rubber pad has elasticity, when the accessory contacts the anti-skidding rubber layer, the anti-skidding rubber layer takes place elastic deformation, the skewed tooth embedding anti-skidding rubber layer of accessory outer peripheral face to can further reduce the accessory and take place pivoted probability when drilling, be favorable to improving the machining precision.

Optionally, the anti-slip rubber layer is detachably connected to the first arc surface and the second arc surface.

By adopting the technical scheme, after long-time work and repeated clamping, the anti-skid rubber layer is seriously worn, and the worker can directly replace the anti-skid rubber layer.

Optionally, the upper end of the base is provided with a chute communicated with the mounting groove, the movable clamp block is arranged in the chute in a sliding manner along the horizontal direction, and the distance between the chute and the fixed clamp block is greater than the length of the accessory.

Through adopting above-mentioned technical scheme, because the interval of spout and fixed clamp block is greater than the length of accessory, then the accessory is supported tightly between fixed clamp block and activity clamp block back, does not have the spout on the base under the accessory, is in the encapsulated situation, then the piece that produces in the course of working is difficult to fall into the mounting groove from the spout, reduces the condition that the piece dropped on the lead screw to appear, is favorable to making activity butt piece normally slide along the lead screw.

Optionally, the lower end of the fixed abutting block and the lower end of the movable abutting block are both higher than the upper surface of the base.

Through adopting above-mentioned technical scheme, because fixed butt joint piece is higher than the upper end of base with the activity butt joint piece, then after drilling is accomplished, the piece that processing produced can drop to the upper end of base from first cambered surface and second cambered surface, and the staff of being convenient for clears up the piece out the base, and otherwise the piece is piled up easily between fixed butt joint piece and activity butt joint piece, and the clearance degree of difficulty is great, probably hinders the motion of activity butt joint piece orientation even.

Optionally, the upper surface of the base is inclined, and one side of the base close to the movable abutting block is lower than one side far away from the movable abutting block.

Through adopting above-mentioned technical scheme, because radial drill is at the in-process of drilling, radial drill can be to drilling position injection cutting fluid, because the upper end slope of base sets up, can take partial piece out when the cutting fluid slope flows the base to avoid the piece to pile up on the base as far as possible.

Optionally, the fixed abutting block is detachably connected to the fixed clamp block, and the movable abutting block is detachably connected to the cylinder.

Through adopting above-mentioned technical scheme, because fixed butt piece and the equal detachable setting of activity butt piece, then the staff can change not unidimensional fixed butt piece and activity butt piece according to the accessory size of treating drilling, make fixed butt piece and activity butt piece can better butt in the outer wall of accessory, improve this gear machining device's suitability.

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

1. by arranging the first clamping mechanism and the second clamping mechanism, the situation that the accessories rotate or displace in the machining process is reduced, and the machining precision of drilling is improved;

2. through setting up the non-slip rubber layer, reduce the accessory and take place pivoted probability when drilling, be favorable to improving the machining precision.

Drawings

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

FIG. 2 is a schematic view of the embodiment of the present application clamped to a radial drill;

FIG. 3 is a schematic structural view of an irregular hole gear machining apparatus according to an embodiment of the present application;

fig. 4 is a schematic cross-sectional view of fig. 3 showing the mounting groove, the lead screw, and the like.

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 radial drilling machine; 21. a support; 22. a column; 23. swinging arms; 24. a main spindle box; 241. a drill bit; 242. a transfusion tube; 25. a work table; 251. fixing grooves; 252. a T-bolt; 253. pressing a mold plate; 3. a first clamping mechanism; 31. a base; 311. mounting grooves; 312. a screw rod; 313. a rocking handle; 314. a chute; 32. fixing the clamp block; 33. a movable clamp block; 34. a slider; 4. a second clamping mechanism; 41. fixing the abutting block; 411. a first arc surface; 412. an anti-slip rubber layer; 42. a movable abutting block; 421. a second arc surface; 43. a cylinder; 5. and (7) mounting a seat.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1, the cylindrical machine accessory 1 includes a drilling section 11 and a helical tooth section 12, the drilling section 11 and the helical tooth section 12 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, and a plurality of through holes 111 penetrating through an inner wall of the accessory 1 are formed on an outer peripheral surface of the drilling section 11.

Referring to fig. 2, the conventional radial drilling machine 2 includes a support 21, a column 22 vertically disposed at an upper end of the support 21, a swing arm 23 and a spindle box 24, wherein the swing arm 23 is horizontally disposed, one end of the swing arm 23 is slidably sleeved on an outer peripheral surface of the column 22 along a vertical direction, and the spindle box 24 is slidably connected to the swing arm 23 along a length direction of the swing arm 23. A drill 241 for drilling is mounted at the lower end of the headstock 24, a fluid delivery tube 242 for injecting cutting fluid to a workpiece is connected to the headstock 24, a table 25 for clamping and fixing the workpiece is mounted at the upper end of the support 21, and the headstock 24 is positioned above the table 25. The upper end of the working table 25 is provided with a plurality of fixing grooves 251 which penetrate through the working table 25 along the horizontal direction, and the cross section of each fixing groove 251 is in an inverted T shape.

The embodiment of the application discloses gear machining device in irregular hole.

Referring to fig. 2 and 3, an irregular hole gear machining apparatus includes first clamping mechanisms 3 for abutting both ends of a fitting 1 in an axial direction and second clamping mechanisms 4 for abutting an outer peripheral surface of the fitting 1. In general, when drilling the outer peripheral surface of the metal fitting 1, it is necessary to clamp both ends of the metal fitting 1 by a vise. When the radial drilling machine 2 drives the drill bit 241 to feed downwards, the accessory 1 is subjected to downward pressure exerted by the drill bit 241, so that the accessory 1 has a movement tendency of downward displacement or rotation, and if the bench vice is not stably clamped, the clamping position of the accessory 1 is changed, and the drilling processing precision of the accessory 1 is reduced. The embodiment aims to clamp and abut against the peripheral surface of the accessory 1 when the accessory 1 is machined by arranging the second clamping mechanism 4, so that the probability of displacement or rotation of the accessory 1 during drilling machining is reduced, and the machining precision is improved.

The first clamping mechanism 3 comprises a base 31, a fixed clamp block 32 and a movable clamp block 33, the fixed clamp block 32 is fixedly connected to the upper end of the base 31, the movable clamp block 33 is arranged at the upper end of the base 31 in a sliding mode along the horizontal direction, and the fixed clamp block 32 is located on the sliding direction of the movable clamp block 33. The base 31 is clamped and fixed at the upper end of the workbench 25 through a T-shaped bolt 252 and a die pressing plate 253, the upper surface of the base 31 is an inclined plane, and the fixed clamp block 32 and the movable clamp block 33 are positioned at the same height of the upper surface of the base 31.

Referring to fig. 3 and 4, a mounting groove 311 penetrating through the base 31 in a horizontal direction is formed in a side wall of the base 31, a screw 312 is disposed in the mounting groove 311, and two ends of the screw 312 are rotatably connected to two ends of the mounting groove 311 through bearings, respectively. The screw 312 is located under the fixed clamp block 32 and the movable clamp block 33, one end of the screw 312 close to the fixed clamp block 32 extends out of the mounting groove 311 and is clamped with a rocking handle 313 convenient for rotating the screw 312, and the length direction of the rocking handle 313 is perpendicular to the axis of the screw 312.

The upper end of the base 31 is provided with a sliding chute 314 communicated with the mounting groove 311 downwards, the length direction of the sliding chute 314 is parallel to the axis of the screw rod 312, a distance exists between one end of the sliding chute 314 close to the fixed clamp block 32 and the fixed clamp block 32, and the distance is greater than the length of the accessory 1. The lower end of the movable clamp block 33 is fixedly connected with a slide block 34, the slide block 34 is connected to the slide groove 314 in a sliding manner along the horizontal direction, and the slide block 34 is in threaded connection with the screw 312. In the horizontal direction, the sliding block 34 is farther from the fixed block 32 than the movable block 33, and when the sliding block 34 abuts against one end of the sliding slot 314 close to the fixed block 32, the distance between the fixed block 32 and the movable block 33 is slightly smaller than the length of the fitting 1.

Referring to fig. 2 and 3, the second clamping mechanism 4 includes a fixed abutting block 41, a movable abutting block 42, and a cylinder 43 for driving the movable abutting block 42 to move, and the fixed abutting block 41 is mounted on the side surface of the fixed block 32 close to the movable block 33 by bolts. The mount pad 5 is arranged beside the workbench 25, a gap exists between the mount pad 5 and the workbench 25, the air cylinder 43 is fixedly mounted at the upper end of the mount pad 5, and the output end of the air cylinder 43 is fixedly connected to the side surface of the movable abutting block 42 far away from the fixed abutting block 41 through a bolt.

The fixed abutment block 41 and the movable abutment block 42 are located at the same height, and the fixed abutment block 41 is closer to the upper edge of the upper surface of the base 31 than the movable abutment block 42. There is the interval between fixed butt joint piece 41, the activity butt joint piece 42 all and the base 31 upper surface, and the side that fixed butt joint piece 41 is close to activity butt joint piece 42 is equipped with the first cambered surface 411 that is used for laminating accessory 1 outer peripheral face, and one side that activity butt joint piece 42 is close to fixed butt joint piece 41 is equipped with the second cambered surface 421 that is used for laminating accessory 1 outer peripheral face. All be equipped with on first cambered surface 411 and the second cambered surface 421 anti-skidding rubber layer 412, anti-skidding rubber layer 412 adopts the better rubber processing of elasticity to form, and the four corners department of anti-skidding rubber layer 412 is fixed in first cambered surface 411 and second cambered surface 421 through the assembly mode of countersunk screw hole and bolt. The length of the fixed abutting block 41 and the movable abutting block 42 in the axial direction of the screw 312 is smaller than the length of the fitting 1, so that when the fitting 1 is abutted by the fixed block 32 and the movable block 33, the fixed abutting block 41 and the movable abutting block 42 can be positioned between the fixed block 32 and the movable block 33 without interference. When the cylinder 43 drives the movable abutting block 42 to abut the accessory 1 against the fixed abutting block 41, a gap exists between the fixed abutting block 41 and the movable abutting block 42, that is, the lower ends of the first arc surface 411 and the second arc surface 421 cannot be closed.

When a worker clamps the accessory 1, one end of the accessory 1 in the axial direction is attached to and abutted against the side face, close to the movable clamp block 33, of the fixed clamp block 32, and the outer peripheral surface of the accessory 1 is abutted against the anti-skid rubber layer 412 of the first cambered surface 411; the cylinder 43 drives the movable abutting block 42 to approach the fixed abutting block 41, the anti-slip rubber layer 412 of the second cambered surface 421 abuts against the outer peripheral surface of the accessory 1, and under the thrust action of the cylinder 43, the anti-slip rubber layer 412 is elastically deformed, and the anti-slip rubber layer 412 is embedded into the tooth grooves of the inclined teeth 121 of the accessory 1; the worker rotates the rocking handle 313 (see fig. 4), the screw 312 rotates around the axis thereof, the movable clamp block 33 gradually approaches the fixed clamp block 32 and presses the fitting 1 against the fixed clamp block 32. The radial drill 2 drives the drill 241 to move downward, thereby completing a drilling process of the circumferential surface of the fitting 1, and the cutting fluid is injected to the fitting 1 by the fluid delivery pipe 242 during the drilling process.

Referring to fig. 3 and 4, since the distance between the sliding groove 314 and the fixed block 32 is greater than the length of the accessory 1, when the accessory 1 is abutted between the fixed block 32 and the movable block 33, one end of the sliding groove 314 close to the fixed block 41 is located below the movable block 33, metal debris generated in the machining process may fall on the upper surface of the base 31, but is difficult to fall into the mounting groove 311 through the sliding groove 314, so that the possibility that the debris falls on the screw 312 and affects the threaded fit between the screw 312 and the movable block 33 is reduced. After drilling, the movable abutting block 42 is far away from the fixed abutting block 41, metal chips can fall to the upper surface of the base 31, and when cutting fluid is discharged along the upper end of the inclined base 31, part of the chips can be washed out and carried out, so that the chips are reduced from being accumulated on the base 31.

The implementation principle of the embodiment is as follows: by arranging the first clamping mechanism 3 and the second clamping mechanism 4, the situation that the accessory 1 rotates or displaces in the machining process is reduced, and the machining precision of drilling is improved; through setting up the anti-skidding rubber layer 412, reduce accessory 1 and take place pivoted probability when drilling, be favorable to improving the machining precision.

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 gear machining device in irregular hole which characterized in that: the clamping device comprises a first clamping mechanism (3) used for abutting against two ends of an accessory (1) and a second clamping mechanism (4) used for abutting against the peripheral surface of the accessory (1), wherein the first clamping mechanism (3) comprises a base (31), a fixed clamp block (32) fixedly arranged at the upper end of the base (31) and a movable clamp block (33) connected to the base (31) in a sliding mode along the horizontal direction, a mounting groove (311) penetrating through the base (31) along the horizontal direction is formed in the base (31), a screw rod (312) is rotatably arranged in the mounting groove (311), the axis of the screw rod (312) is parallel to the connecting line direction of the fixed clamp block (32) and the movable clamp block (33), and the movable clamp block (33) is connected to the screw rod (312) in a threaded mode; the second clamping mechanism (4) comprises a fixed abutting block (41), a movable abutting block (42) and a cylinder (43), wherein the movable abutting block (42) is arranged by the fixed abutting block (41) in a horizontal sliding mode, the cylinder (43) is used for driving the movable abutting block (42) to slide, the sliding direction of the movable abutting block (42) is perpendicular to the vertical plane where the axis of the screw rod (312) is located, and the fixed abutting block (41) is arranged on one side, close to the movable clamping block (33), of the fixed clamping block (32).

2. The gear machining apparatus for irregular holes according to claim 1, wherein: fixed butt joint piece (41) are close to one side of activity butt joint piece (42) is equipped with first cambered surface (411) that is used for laminating accessory (1) outer peripheral face, activity butt joint piece (42) are close to one side of fixed butt joint piece (41) is equipped with second cambered surface (421) that are used for laminating accessory (1) outer peripheral face.

3. The gear machining apparatus for an irregular hole according to claim 2, wherein: and anti-skid rubber layers (412) are arranged on the first cambered surface (411) and the second cambered surface (421).

4. The gear machining apparatus for an irregular hole according to claim 3, wherein: the anti-slip rubber layer (412) is detachably connected to the first cambered surface (411) and the second cambered surface (421).

5. The gear machining apparatus for irregular holes according to claim 1, wherein: the upper end of the base (31) is provided with a sliding groove (314) communicated with the mounting groove (311), the movable clamp block (33) is arranged in the sliding groove (314) in a sliding mode along the horizontal direction, and the distance between the sliding groove (314) and the fixed clamp block (32) is larger than the length of the accessory (1).

6. The gear processing device for irregular holes according to claim 5, wherein: the lower end of the fixed abutting block (41) and the lower end of the movable abutting block (42) are both higher than the upper surface of the base (31).

7. The gear machining apparatus for an irregular hole according to claim 6, wherein: the upper surface of base (31) slope sets up, base (31) are close to one side of activity butt joint piece (42) is less than keeping away from one side of activity butt joint piece (42).

8. The gear machining apparatus for an irregular hole according to claim 2, wherein: the fixed abutting block (41) is detachably connected to the fixed clamp block (32), and the movable abutting block (42) is detachably connected to the air cylinder (43).