CN214603791U

CN214603791U - Grinding wheel dressing tool

Info

Publication number: CN214603791U
Application number: CN202120665031.4U
Authority: CN
Inventors: 马
Original assignee: Xi'an Xician Precision Machinery Co ltd
Current assignee: Xi'an Xician Precision Machinery Co ltd
Priority date: 2021-03-28
Filing date: 2021-03-28
Publication date: 2021-11-05
Anticipated expiration: 2031-03-28

Abstract

The utility model discloses a grinding wheel dressing tool, including top frame and support, there is the taper shank at the middle part of top frame bottom through the flange spiro union, the one end interlude at top frame top has top, the opposite side at top frame top has live center through first housing screw threaded connection, top one end and live center's one end pass through the butt piece respectively with the both ends butt of support, the middle part of top frame bottom has adjustable screw through nut threaded connection, adjustable screw's top has the diamond through second housing screw threaded connection, the butt groove has all been seted up to the opposite side of two butt pieces, the bearing has all been cup jointed to one side in two butt grooves, two bearing inner chambers have all cup jointed the trapezoidal circle of butt, the utility model relates to a grinding wheel dressing tool, through top frame, flange, taper shank, top, live center, support, butt piece, butt groove, The bearing, the butting trapezoidal ring and the rubber pad strengthen the accuracy in the process of butting repair, reduce the processing cost and improve the production efficiency.

Description

Grinding wheel dressing tool

Technical Field

The utility model relates to the technical field of equipment, specifically be a grinding wheel dressing tool.

Background

Honing is a constant pressure grinding method for finishing a workpiece by guiding a pre-processing surface after fine boring, reaming or inner hole grinding at a low cutting speed. The honing tool has the advantages that the honing tool can be expanded and contracted by utilizing the grinding head to enable the honing strip with fine abrasive particles to press a working surface to generate a certain contact area and corresponding pressure, meanwhile, the honing strip performs comprehensive movement of rotation and reciprocating feeding on the surface to be processed under the action of proper cooling liquid, so that the purposes of improving the surface quality, improving the surface stress condition, basically not generating a deterioration layer and improving the workpiece precision are achieved, the application range of the honing technology is wide, the application field of the honing tool extends to the industries such as machine tools, bearings, electronic processing, die processing, instrument and meter processing and the like, the manufacturing precision of the honing tool in the honing process is very important, in the manufacturing and processing of the honing tool, the spherical surfaces on some ball bearings are processing difficulties, the material of the ball bearings is bearing steel GCr15, the quenching hardness requirement HRC 58-65, the spherical surface size tolerance is 0.005, the processing process adopts a turning front-number-controlled lathe to reserve the spherical surface with the spherical surface of 0.03-0.05 mm, grinding and grinding the spherical surface after quenching.

In the prior art, the quenching causes the oxidation deformation of the spherical surface, the problem of the geometrical shape of the spherical surface often occurs when an operator grinds the spherical surface, the roundness and the size are out of tolerance, the rejection rate is very high, and the production quantity is several times of that of a customer order for the guarantee delivery; the grinding operation is manual operation, the labor intensity is high, the efficiency is low, and the consistency of the size of the processed spherical surface is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grinding wheel dressing tool, which aims to solve the problems that in the prior art proposed in the background technology, the quenching causes the oxidation deformation of a spherical surface, the geometric shape of the spherical surface is often generated when an operator grinds the spherical surface, the roundness and the size are out of tolerance, the rejection rate is very high, and the production quantity is several times of the order of a customer for the guarantee delivery; the grinding operation is manual operation, the labor intensity is high, the efficiency is low, and the consistency of the size of the processed spherical surface is poor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grinding wheel dressing tool, includes top frame and support, there is the taper shank at the middle part of top frame bottom through flange threaded connection, the one end interlude at top frame top has fixed top, the opposite side at top frame top has live center through first housing screw threaded connection, fixed top's one end with live center's one end is passed through the butt piece respectively with the both ends butt of support, the middle part of top frame bottom has adjustable screw through fixation nut threaded connection, adjustable screw's top has the diamond through second housing screw threaded connection, two butt groove has all been seted up to the opposite side of butt piece, two the bearing has all been cup jointed to one side in butt groove, two the trapezoidal circle of butt has all been cup jointed to the bearing inner chamber.

As a preferred technical scheme of the utility model, two the butt piece respectively fixed connection in the middle part of support top both sides.

As an optimized technical scheme of the utility model, the diameter in butt joint groove is greater than fixed top's diameter with live center's diameter.

As an optimal technical scheme of the utility model, two the inner chamber of the trapezoidal circle of butt bonds and has the rubber pad.

As an optimized technical scheme of the utility model, live center keeps away from the one end fixedly connected with of support adjusts the handle.

As an optimized technical scheme of the utility model, the support is the U-shaped structure.

As an optimized technical scheme of the utility model, the jack has been seted up on the top of adjustable screw rod, just the inner chamber of jack is pegged graft and is had the diamond.

Compared with the prior art, the beneficial effects of the utility model are that:

through the center frame, a connecting flange, a taper shank, a fixed center, a movable center, a first compression screw, a bracket, a butt joint block, an adjustable screw, a diamond, a second compression screw, a fixed nut, a butt joint groove, a bearing, the cooperation of the butt joint trapezoidal ring and a rubber pad, the taper shank is connected with the center frame through the connecting flange, thereby facilitating the replacement of the taper shank, when in use, the taper shank is arranged in a main shaft of a cylindrical grinding machine or a tool grinding machine head, then according to the size of the spherical radius of a processed ball bearing, the two ends of the bracket are butted with the fixed center and the movable center through the butt joint block, the butt joint distance is equal to the size of the spherical radius of the ball bearing, the repeated adjustment and the trimming of the grinding wheel are avoided, the efficiency of the trimming of the grinding wheel is improved, the bearing and the butt joint trapezoidal ring are arranged in an inner cavity of the butt joint block through the butt joint groove, the setting of the bearing is convenient for the rotation of the bracket, the efficiency of the reinforcement and the repair is time and labor saving, and the stability of the butt joint trapezoidal ring and the rubber pad are enhanced, and the accuracy during repair ensures that the ball bearing is machined by adopting the formed grinding wheel for finishing the R surface, the spherical surface shape error of the ball bearing is within 0.002, the size is stable, the consistency is good, the qualified rate is 100 percent, the machining cost is reduced, the labor intensity of operators is reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic plan view of the present invention;

fig. 2 is a cross-sectional view of the contact block of the present invention;

fig. 3 is a schematic structural view of the trapezoidal ring of the present invention.

In the figure: 1. a centre frame; 2. a connecting flange; 3. a taper shank; 4. fixing the centre; 5. a live center; 6. a first compression screw; 7. a support; 8. a butting block; 9. an adjustable screw; 10. diamond; 11. a second compression screw; 12. fixing a nut; 13. a butt joint groove; 14. a bearing; 15. abutting against the trapezoidal ring; 16. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a grinding wheel dressing tool, including top frame 1 and support 7, there is taper shank 3 at the middle part of 1 bottom of top frame through 2 threaded connection of flange, the one end at 1 top of top frame alternates there is fixed top 4, the opposite side at 1 top of top frame has live center 5 through 6 threaded connection of first housing screw, the one end of fixed top 4 and the one end of live center 5 have through the butt piece 8 respectively with the both ends butt of support 7, there is adjustable screw 9 at the middle part of 1 bottom of top frame through 12 threaded connection of fixation nut, there is diamond 10 on the top of adjustable screw 9 through 11 threaded connection of second housing screw, butt groove 13 has all been seted up to the opposite side of two butt pieces 8, bearing 14 has all been cup jointed to one side of two butt grooves 13, the trapezoidal circle of butt 15 has all been cup jointed to two bearing 14 inner chambers.

Preferably, the two abutting blocks 8 are respectively and fixedly connected to the middle parts of the two sides of the top of the bracket 7, and the abutting blocks 8 ensure the smoothness of rotation when the bracket 7 abuts against; the diameter of the abutting groove 13 is larger than that of the fixed center 4 and that of the movable center 5, so that the centers can be abutted conveniently; rubber pads 16 are bonded in the inner cavities of the two abutting trapezoidal rings 15, so that the abutting stability is enhanced, and the abutting of the tip is buffered; an adjusting handle is fixedly connected to one end, far away from the support 7, of the live center 5, so that the distance can be conveniently adjusted; the bracket 7 is of a U-shaped structure; the top end of the adjustable screw 9 is provided with a jack, and the inner cavity of the jack is inserted with a diamond 10.

When in specific use, the utility model relates to a grinding wheel dressing tool, through top mount 1, flange 2, taper shank 3, fixed center 4, live center 5, first housing screw 6, support 7, butt joint piece 8, adjustable screw 9, diamond 10, second housing screw 11, fixation nut 12, butt groove 13, bearing 14, the cooperation of butt trapezoidal circle 15 and rubber pad 16, pack taper shank 3 into the main shaft of cylindrical grinder or tool grinder head of a bed, again according to the size of processing ball bearing spherical radius, pass through butt joint piece 8 with fixed center 4 and live center 5 butt at the both ends of support 7, the manual rotation support 7 can dress the grinding wheel, and the butt distance equals with ball bearing spherical radius size, avoid adjusting repeatedly and dress the grinding wheel, improve the efficiency of dressing the grinding wheel, and the inner chamber of butt block 8 installs bearing 14 and butt trapezoidal circle 15 through butt groove 13, bearing 14 sets up the rotation that makes things convenient for support 7, strengthens prosthetic efficiency also labour saving and time saving, and the stability of butt and the accuracy nature when restoreing are strengthened in the setting of the trapezoidal circle of butt 15 and rubber pad 16 simultaneously, guarantee to adopt the shaping emery wheel processing ball bearing of repairing the R face, and the spherical shape error of ball bearing is within 0.002, and the stable in size and the uniformity is good, and the qualification rate 100%, has reduced the processing cost, has reduced operative employee's intensity of labour, has improved production efficiency. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A grinding wheel dressing tool, comprising a tip holder (1) and a holder (7), characterized in that: the middle part of the bottom end of the center frame (1) is in threaded connection with a taper shank (3) through a connecting flange (2), one end of the top part of the center frame (1) is inserted with a fixed center (4), the other side of the top part of the center frame (1) is in threaded connection with a movable center (5) through a first compression screw (6), one end of the fixed center (4) and one end of the movable center (5) are respectively abutted against two ends of a support (7) through abutting blocks (8), the middle part of the bottom end of the center frame (1) is in threaded connection with an adjustable screw (9) through a fixed nut (12), the top end of the adjustable screw (9) is in threaded connection with diamonds (10) through a second compression screw (11), abutting grooves (13) are respectively formed in opposite sides of the two abutting blocks (8), a bearing (14) is respectively sleeved on one side of the two abutting grooves (13), the inner cavities of the two bearings (14) are sleeved with abutting trapezoid rings (15).

2. The wheel truing tool of claim 1 wherein: the two abutting blocks (8) are respectively and fixedly connected to the middle parts of the two sides of the top of the support (7).

3. The wheel truing tool of claim 1 wherein: the diameter of the abutting groove (13) is larger than the diameter of the fixed center (4) and the diameter of the movable center (5).

4. The wheel truing tool of claim 1 wherein: and rubber pads (16) are bonded in the inner cavities of the two abutting trapezoidal rings (15).

5. The wheel truing tool of claim 1 wherein: an adjusting handle is fixedly connected to one end, far away from the support (7), of the live center (5).

6. The wheel truing tool of claim 1 wherein: the support (7) is of a U-shaped structure.

7. The wheel truing tool of claim 1 wherein: the top end of the adjustable screw rod (9) is provided with a jack, and a diamond (10) is inserted into the inner cavity of the jack.