CN214685753U

CN214685753U - Special die for fine grinding of opposite surfaces of bearing bush

Info

Publication number: CN214685753U
Application number: CN202120762792.1U
Authority: CN
Inventors: 李永磊; 李钦中; 史亚飞
Original assignee: Henan Zhongyuan Sliding Bearing Manufacturing Co ltd
Current assignee: Henan Zhongyuan Sliding Bearing Manufacturing Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-12
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a special mould for accurate grinding of the facing surface of a bearing bush, which comprises a right-angle bent plate, a height-adjustable V-shaped block, a barrier strip, a screw rod, a workpiece, a grinding wheel and a liftable dial indicator, wherein the left side of the right-angle bent plate is provided with the height-adjustable V-shaped block, the workpiece is arranged in a V-shaped groove above the height-adjustable V-shaped block, the left side and the right side of the workpiece are respectively connected and fixed with the right-angle bent plate through the screw rod, one side of the right-angle bent plate is connected with the liftable dial indicator through a connecting piece, the bearing bushes with different sizes are suitable for the height-adjustable V-shaped block, the workpiece is clamped and positioned between the right-angle bent plate and the barrier strip through the screw rod and a nut, the facing surface of the workpiece after clamping is always higher than the upper surface of the right-angle bent plate through three groups of screw holes on the right-angle bent plate, the liftable dial indicator always levels the bearing bushes, so that the grinding wheel can polish the facing surface of the workpiece, thereby realizing the unification on the mould, the cost is reduced, the utilization rate of the die is improved, and the clamping precision and the working efficiency are improved.

Description

Special die for fine grinding of opposite surfaces of bearing bush

Technical Field

The utility model relates to the technical field of, specifically be a special mould of bearing bush right mouthful face correct grinding.

Background

The bearing bush is one of key parts in an engine motion system, has simple structure, but has complex processing procedures and long processing flow; at present, in the axle bush course of working, the axle bush is indispensable to this process of the face-to-face finish grinding, and just use corresponding clamping positioning die when the finish grinding because of the axle bush kind size is different to the face-to-face finish grinding, and the mould is different for not only the cost increases, and inefficiency, the expense is high, and the precision is lower, with this needs further improvement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, is applicable to the axle bush that the kind size differs through height-adjustable V type piece, fixes the work piece between right angle bent plate and blend stop through screw rod and nut simultaneously, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special mould of axle bush right flank finish grinding, includes right angle bent plate, height-adjustable V type piece, blend stop, screw rod, work piece, emery wheel and liftable percentage table, and right angle bent plate left side is equipped with height-adjustable V type piece, and the V type inslot of height-adjustable V type piece top is equipped with the work piece, and the work piece left and right sides is passed through the screw rod and is connected fixedly in blend stop and right angle bent plate respectively, and right angle bent plate one side is passed through connecting piece and liftable percentage table.

Furthermore, the height-adjustable V-shaped block comprises a V-shaped groove, an adjustable cushion block is arranged at the lower end of the V-shaped groove, and the adjustable cushion block is composed of an upper group of cushion plates, a lower group of cushion plates and a threaded column.

Furthermore, the upper end cushion block of the adjustable cushion block is fixedly connected with the threaded column, and the lower end cushion block of the adjustable cushion block is in threaded connection with the threaded column.

Furthermore, the screw rod is of a 200 × 14mm cylindrical structure, two groups of nuts are arranged on the screw rod, and the joint of the screw rod, the workpiece and the right-angle bent plate is fixed through the nuts.

Furthermore, three groups of threaded holes with the same diameter as the screw rod are arranged on the same central line of the right-angle bent plate, and the center distance of the three groups of threaded holes on the right-angle bent plate is 40 mm.

Furthermore, liftable percentage table includes the percentage table, and the percentage table passes through adjustable connecting piece and horizontal telescopic link swing joint, and horizontal telescopic link right side and vertical telescopic link rotate to be connected, and vertical telescopic link lower extreme passes through the connecting piece to be connected with the right angle bent plate.

Compared with the prior art, the beneficial effects of the utility model are that: this axle bush is to finish grinding special mould, be suitable for the axle bush that the kind size is various through height-adjustable V type piece, fix a position the work piece clamping between right angle bent plate and blend stop through screw rod and two sets of nuts, at last through three group's screw holes on the right angle bent plate, make the work piece that the clamping was accomplished to the oral surface be higher than the upper surface of right angle bent plate all the time, be in the horizontality all the time with the axle bush to the oral surface through liftable percentage table, so that flat grinder's emery wheel is to the polishing of work piece to the oral surface, with this unification on the realization mould, therefore, the cost is reduced, promote the mould utilization ratio, when promoting the clamping precision, also can promote work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: the device comprises a right-angle bent plate 1, a height-adjustable V-shaped block 2, a 201V-shaped groove, a 202-adjustable cushion block, a 3 barrier strip, a 4 screw, a 5 workpiece, a 6 grinding wheel, a 7 nut, an 8 lifting dial indicator, an 801 dial indicator, an 802 horizontal telescopic rod and a 803 vertical telescopic rod.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a special mould for accurately grinding the opposite surfaces of bearing bushes comprises a right-angle bent plate 1, a height-adjustable V-shaped block 2, a barrier strip 3, a screw rod 4, a workpiece 5, a grinding wheel 6 and a liftable dial indicator 8, wherein the height-adjustable V-shaped block 2 is arranged on the left side of the right-angle bent plate 1, the workpiece 5 is arranged in a V-shaped groove 201 above the height-adjustable V-shaped block 2, the left side and the right side of the workpiece 5 are respectively connected and fixed with the barrier strip 3 and the right-angle bent plate 1 through the screw rod 4, one side of the right-angle bent plate 1 is connected with the liftable dial indicator 8 through a connecting piece, the height-adjustable V-shaped block 2 comprises a V-shaped groove 201, the lower end of the V-shaped groove 201 is provided with an adjustable cushion block 202, the adjustable cushion block 202 consists of an upper group of cushion plates, a lower group of cushion plates and a threaded column, the V-shaped groove 201 is vertically connected with the right-angle bent plate 1, so that when the workpiece 5 is placed in the V-shaped groove 201, the accurate measurement of the opposite surfaces of the liftable dial indicator 8 bearing bushes is carried out to ensure that the opposite surfaces of the peripheral bushes are always on a uniform horizontal plane, the grinding wheel 6 is convenient to polish, the upper end cushion block of the adjustable cushion block 202 is fixedly connected with the threaded column, the lower end cushion block of the adjustable cushion block 202 is in threaded connection with the threaded column, the height of the adjustable cushion block 202 is adjusted through threads, so that the height-adjustable V-shaped block 2 is suitable for bearing bushes with different sizes, meanwhile, the opposite port surface of the bearing bush to be polished is always higher than the upper surface of the right-angle bent plate 1 through the adjustable cushion block 202, so that the right-angle bent plate 1 is prevented from being damaged in the polishing process, the screw rod 4 is of a cylindrical structure with the diameter of 200 x 14mm, two groups of nuts 7 are arranged on the screw rod 4, the joint of the screw rod 4 and the workpiece 5 and the right-angle bent plate 1 is fixed through the nuts 7, the screw rod 4 and the two groups of nuts 7 are clamped and positioned through the workpiece 5, three groups of threaded holes with the diameter consistent with the screw rod 4 are arranged on the same central line of the right-angle bent plate 1, and the center distance of the three groups of threaded holes on the right-angle bent plate 1 is 40mm, three screw holes of group are applicable to the axle bush location of different kind sizes, liftable percentage table 8 includes percentage table 801, percentage table 801 passes through adjustable connecting piece and horizontal telescopic link 802 swing joint, horizontal telescopic link 802 right side and vertical telescopic link 803 rotate to be connected, vertical telescopic link 803 lower extreme passes through the connecting piece and is connected with right angle bent plate 1, through adjusting vertical telescopic link 803 with percentage table 801 transfer to the position relative with the face to the mouth of work piece 5, the side has limiting displacement to the clamping of work piece 5, on the other hand makes the measurement of percentage table 801 more accurate, simultaneously be connected through the rotation of horizontal telescopic link 802 with vertical telescopic link 803, not only be applicable to not unidimensional work piece, and connect through rotating, can avoid producing the conflict with emery wheel 6 at the in-process of polishing, make mutually noninterfere.

When in use: the height of the adjustable cushion block 202 is adjusted according to bearing bushes of different specifications and sizes, threaded holes used on the right-angle bent plate 1 are adjusted simultaneously, then the bearing bushes are placed on the V-shaped grooves 201, the aligning surfaces of the bearing bushes are accurately measured through the liftable dial indicators 8 to ensure that the aligning surfaces of the bearing bushes are always on a uniform horizontal plane, then the workpiece 5 is clamped and positioned between the barrier strips 3 and the right-angle bent plate 1 through the screws 4 and the two groups of nuts 7, the workpiece 5 is ensured to be on the uniform horizontal plane before clamping and positioning, and possibly ensured to be always higher than the upper surface of the right-angle bent plate 1, so that the uniformity and accuracy of grinding the aligning surfaces of the bearing bushes are ensured in the grinding process of the grinding wheel 6, meanwhile, the grinding wheel 6 is also ensured to be worn to the right-angle bent plate 1 in the grinding process, and has certain protection to the right-angle bent plate 1, and the device realizes the uniformity on the mold, the clamping device is suitable for bearing bushes with different sizes, production cost is reduced, the utilization rate and clamping accuracy of the die are improved, working efficiency is improved, and convenience is brought to people.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special mould of bearing bush right-angle face finish grinding, includes right angle bent plate (1), height-adjustable V type piece (2), blend stop (3), screw rod (4), work piece (5), emery wheel (6) and liftable percentage table (8), its characterized in that: the left side of the right-angle bent plate (1) is provided with a height-adjustable V-shaped block (2), a workpiece (5) is arranged in a V-shaped groove (201) above the height-adjustable V-shaped block (2), the left side and the right side of the workpiece (5) are fixedly connected with the barrier strip (3) and the right-angle bent plate (1) through screws (4), and one side of the right-angle bent plate (1) is connected with a liftable dial indicator (8) through a connecting piece.

2. The special die for the opposite-surface fine grinding of the bearing bush according to claim 1, wherein: the height-adjustable V-shaped block (2) comprises a V-shaped groove (201), an adjustable cushion block (202) is arranged at the lower end of the V-shaped groove (201), and the adjustable cushion block (202) consists of an upper group of cushion plates, a lower group of cushion plates and a threaded column.

3. The special die for the opposite-surface fine grinding of the bearing bush according to claim 2, wherein: the upper end cushion block of the adjustable cushion block (202) is fixedly connected with the threaded column, and the lower end cushion block of the adjustable cushion block (202) is in threaded connection with the threaded column.

4. The special die for the opposite-surface fine grinding of the bearing bush according to claim 1, wherein: the screw rod (4) is of a 200-14 mm cylindrical structure, two groups of nuts (7) are arranged on the screw rod (4), and the joint of the screw rod (4) and the workpiece (5) and the right-angle bent plate (1) is fixed through the nuts (7).

5. The special die for the opposite-surface fine grinding of the bearing bush according to claim 1, wherein: three groups of threaded holes with the same diameter as the screw rods (4) are arranged on the same central line of the right-angle bent plate (1), and the center distance of the three groups of threaded holes on the right-angle bent plate (1) is 40 mm.

6. The special die for the opposite-surface fine grinding of the bearing bush according to claim 1, wherein: liftable percentage table (8) include percentage table (801), and percentage table (801) are through adjustable connecting piece and horizontal telescopic link (802) swing joint, and horizontal telescopic link (802) right side is rotated with vertical telescopic link (803) and is connected, and vertical telescopic link (803) lower extreme passes through the connecting piece and is connected with right angle bent plate (1).