CN217224532U

CN217224532U - Milling machine fixture for machining end face of bearing ring

Info

Publication number: CN217224532U
Application number: CN202122152349.5U
Authority: CN
Inventors: 郭维君
Original assignee: Baoji Hengxing Machinery Casting Co ltd
Current assignee: Baoji Hengxing Machinery Casting Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-08-19
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a milling machine fixture for processing the end face of a bearing ring, which comprises a processing table, a supporting plate and a positioning block; the utility model discloses a but the locating piece that sets up lifting is convenient for carry out quick centre gripping to the bearing ring of different thickness to guarantee that bearing ring's processing terminal surface is higher than the grip block plane, the equal fixedly connected with fixed plate in backup pad up end both sides, two be provided with two symmetric distribution's grip block between the fixed plate, the locating piece is installed two between the grip block, the inside cavity that is equipped with of backup pad, cavity lower extreme inner wall rotates and is connected with first gear, first gear upper end is fixed with first lead screw, first lead screw surface thread bush is equipped with the connecting block, the backup pad upper end is equipped with the through-hole, run through on the connecting block the through-hole and with locating piece fixed connection, the utility model discloses a but set up the locating piece of lifting, be convenient for carry out quick centre gripping to the bearing ring of different thickness to guarantee that bearing ring's processing terminal surface is higher than the grip block plane.

Description

Milling machine fixture for machining end face of bearing ring

Technical Field

The utility model relates to a technical field of bearing processing specifically is a milling machine fixture for bearing ring terminal surface processing.

Background

The bearing is an important part in modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body. When the bearing ring is machined, the bearing ring needs to be milled, so that the thickness of the bearing ring meets the machining requirement.

Bearing ring need guarantee at the centre gripping in-process that the processing terminal surface is higher than the anchor clamps plane to prevent to hit the sword, but current milling machine anchor clamps when the less bearing of centre gripping thickness, need add the gasket in its bottom generally and promote the height, this kind of centre gripping mode lacks stability, leads to the atress inequality on the work piece periphery easily, thereby influences product quality.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a milling machine fixture for bearing ring end face machining for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a milling machine fixture for processing the end face of a bearing ring comprises a processing table, a supporting plate and a positioning block; the utility model discloses a processing platform, including processing platform up end, backup pad, locating piece, backup pad upper end, cavity lower extreme inner wall, backup pad fixed mounting is in processing platform up end, the equal fixedly connected with fixed plate in backup pad up end both sides, two be provided with the grip block of two symmetric distributions between the fixed plate, the locating piece is installed two between the grip block, the inside cavity that is equipped with of backup pad, cavity lower extreme inner wall rotates and is connected with first gear, first gear upper end is fixed with first lead screw, first lead screw surface thread bush is equipped with the connecting block, the backup pad up end is equipped with the through-hole, run through the connecting block upper end the through-hole and with locating piece fixed connection.

By adopting the technical scheme, the first screw rod is driven to rotate by driving the first gear, so that the connecting block is driven to move upwards, the positioning block is driven to move upwards while the connecting block moves, and the bearing ring is driven to lift upwards, so that the processing end face of the bearing ring is higher than the plane of the clamping block.

Furthermore, a plurality of limiting blocks are symmetrically fixed on the side wall of the positioning block, a plurality of limiting grooves are symmetrically arranged on the inner wall of the through hole, and the limiting blocks are movably connected with the limiting grooves.

By adopting the technical scheme, the limiting block and the limiting groove are movably connected, the first screw rod is prevented from rotating and simultaneously driving the connecting block and the positioning block to rotate together, and therefore the connecting block and the positioning block can be conveniently lifted upwards.

Furthermore, a rotating wheel is rotatably connected to one side of the outer end face of the supporting plate, one end of the rotating wheel extends into the cavity and is fixedly provided with a second gear, and the second gear is meshed with the first gear.

By adopting the technical scheme, the rotating wheel is rotated to drive the second gear to rotate, and the second gear rotates and simultaneously drives the first gear to rotate, so that the first screw rod is driven to rotate.

Furthermore, thread grooves are formed in the end faces of the two fixing plate sides, a second screw rod is connected to the thread grooves in an internal thread mode, one end of the second screw rod is fixedly connected with the clamping block, and a handle is fixed to the other end of the second screw rod.

By adopting the technical scheme, the second screw rod is driven to rotate by rotating the handle, so that the two clamping blocks are driven to move relatively and the bearing ring is clamped tightly.

Furthermore, an electromagnet is arranged inside the positioning block.

By adopting the technical scheme, the bearing ring can be positioned before being clamped conveniently by arranging the electromagnet, so that the bearing ring is tightly attached to the surface of the positioning block, and the processing accuracy is improved.

Furthermore, two clamping blocks keep away from fixed plate one side and set up to V type structure, just V type structure inner wall is provided with the rubber pad.

By adopting the technical scheme, the clamping block is of the V-shaped structure, so that the circumferential surface of the bearing ring is uniformly stressed in the clamping process, and meanwhile, the rubber pad is beneficial to enhancing elastic protection and preventing the workpiece from deforming.

Furthermore, the end face of the upper portion of the processing table is evenly provided with a plurality of groups of chip collecting grooves.

By adopting the technical scheme, the chips generated in the machining process are convenient to collect by arranging the chip collecting groove.

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

the utility model discloses a it is rotatory to rotate the handle and drive the second lead screw, thereby it is rotatory to drive two grip blocks and is relative movement and press from both sides tight bearing ring, it rotates to drive first lead screw through driving first gear, through setting up stopper and spacing groove swing joint, it rotates together to prevent that first lead screw pivoted from driving connecting block and locating piece simultaneously, and then drive connecting block upward movement, drive locating piece upward movement when the connecting block removes, thereby drive the ascending lifting of bearing ring, make the processing terminal surface of bearing ring be higher than the plane of grip block, thereby make things convenient for the bearing ring of the different thickness of quick centre gripping.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a side cross-sectional view of the internal structure of the support plate of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a top sectional view of the present invention with a partial structure.

In the figure: 1. a processing table; 11. a chip collecting groove; 2. a support plate; 21. a fixing plate; 211. a thread groove; 22. a clamping block; 23. a cavity; 231. a first gear; 232. a first lead screw; 233. connecting blocks; 24. a rotating wheel; 241. a second gear; 25. a second lead screw; 251. a handle; 26. a through hole; 261. a limiting groove; 3. positioning blocks; 31. and a limiting block.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The first embodiment is as follows:

the embodiment of the utility model discloses a milling machine fixture for processing the end face of a bearing ring, please refer to the attached figures 1-4, which comprises a processing table 1, a supporting plate 2 and a positioning block 3; 2 fixed mounting of backup pad is in 1 up end of processing platform, the equal fixedly connected with fixed plate 21 in backup pad 2 up end both sides, two be provided with the grip block 22 of two symmetric distributions between the fixed plate 21, locating piece 3 is installed two between the

grip block

22, 2 inside cavities 23 that are equipped with of backup pad, 23 lower extreme inner walls of cavity rotate and are connected with first gear 231, first gear 231 upper end is fixed with first lead screw 232, the outer surface thread bush of first lead screw 232 is equipped with connecting

block

233, 2 up ends of backup pad are equipped with through-hole 26, the connecting block 233 upper end is run through-hole 26 and with 3 fixed connection of locating piece.

Please refer to fig. 1, fig. 2, and fig. 3 again, a plurality of limiting blocks 31 are symmetrically fixed on the side wall of the positioning block 3, a plurality of limiting grooves 261 are symmetrically arranged on the inner wall of the through hole 26, the limiting blocks 31 are movably connected with the limiting grooves 261, a rotating wheel 24 is rotatably connected to one side of the outer end surface of the supporting plate 2, one end of the rotating wheel 24 extends into the cavity 23 and is fixed with a second gear 241, and the second gear 241 is engaged with the first gear 231.

Please refer to fig. 1 and fig. 4, the end faces of the two fixing plates 21 are respectively provided with a thread groove 211, the thread groove 211 is connected with a second screw rod 25 through a thread, one end of the second screw rod 25 is fixedly connected with the clamping block 22, the other end of the second screw rod 25 is fixedly provided with a handle 251, one side of the two clamping blocks 22 away from the fixing plates 21 is provided with a V-shaped structure, and the inner wall of the V-shaped structure is provided with a rubber pad.

Referring to fig. 1, 3 and 4 again, an electromagnet is arranged inside the positioning block 3, and a plurality of sets of chip collecting grooves 11 are uniformly formed on the upper end surface of the processing table 1.

The embodiment of the utility model provides a milling jig's for bearing ring end face machining implementation principle does:

the bearing ring is placed on the positioning block 3, the electromagnet is powered on, so that the positioning block 3 generates suction to the bearing ring, then the rotating wheel 24 is rotated according to the thickness of the bearing ring to drive the second gear 241 to rotate, the second gear 241 drives the first gear 231 to rotate while rotating, and further drives the first lead screw 232 to rotate, the first lead screw 232 rotates to further drive the connecting block 233 to move upwards, the connecting block 233 moves while driving the positioning block 3 to move upwards, and simultaneously drives the limiting block 31 to slide upwards along the limiting groove 261, so that the bearing ring is driven to lift upwards, the processing end face of the bearing ring is higher than the plane of the clamping block 22, then the handles 251 at two ends are rotated to drive the second lead screw 25 to rotate, and accordingly the two clamping blocks 22 are driven to move relatively and clamp the bearing ring.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. A milling machine fixture for processing the end face of a bearing ring is characterized by comprising a processing table (1), a supporting plate (2) and a positioning block (3);

backup pad (2) fixed mounting be in processing platform (1) up end, the equal fixedly connected with fixed plate (21) in backup pad (2) up end both sides, two be provided with grip block (22) of two symmetric distributions between fixed plate (21), install locating piece (3) two between grip block (22), backup pad (2) inside is equipped with cavity (23), cavity (23) lower extreme inner wall rotates and is connected with first gear (231), first gear (231) upper end is fixed with first lead screw (232), first lead screw (232) surface thread bush is equipped with connecting block (233), backup pad (2) up end is equipped with through-hole (26), connecting block (233) upper end is run through-hole (26) and with locating piece (3) fixed connection.

2. The milling machine fixture for end face machining of bearing rings according to claim 1, characterized in that a plurality of limiting blocks (31) are symmetrically fixed on the side wall of the positioning block (3), a plurality of limiting grooves (261) are symmetrically arranged on the inner wall of the through hole (26), and the limiting blocks (31) are movably connected with the limiting grooves (261).

3. A milling machine jig for end face machining of a bearing ring according to claim 1, characterized in that a rotating wheel (24) is rotatably connected to one side of the outer end face of the support plate (2), and one end of the rotating wheel (24) extends into the cavity (23) and is fixed with a second gear (241), and the second gear (241) is meshed with the first gear (231).

4. A milling machine fixture for end face machining of bearing rings according to claim 1, characterized in that a thread groove (211) is formed on each of the two side end faces of the fixing plate (21), a second lead screw (25) is connected to the thread groove (211) in a threaded manner, one end of the second lead screw (25) is fixedly connected with the clamping block (22), and the other end of the second lead screw (25) is fixedly provided with a handle (251).

5. A milling machine fixture for end face machining of bearing rings according to claim 1, characterized in that an electromagnet is arranged inside the positioning block (3).

6. A milling machine fixture for end face machining of bearing rings according to claim 1, characterized in that one side of the two clamping blocks (22) away from the fixing plate (21) is provided with a V-shaped structure, and the inner wall of the V-shaped structure is provided with a rubber pad.

7. A milling machine fixture for end face machining of bearing rings according to claim 1, characterized in that the upper end face of the machining table (1) is uniformly provided with a plurality of sets of chip flutes (11).