CN212227917U

CN212227917U - Workpiece two-end bearing end face run-out detection device

Info

Publication number: CN212227917U
Application number: CN202021084383.2U
Authority: CN
Inventors: 熊忠; 漆德意; 刘平宙; 陈尚松; 李元凤
Original assignee: Zhejiang Wanliyang New Energy Drive Co ltd
Current assignee: Zhejiang Wanliyang New Energy Drive Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-12-25
Anticipated expiration: 2030-06-12

Abstract

The utility model aims at providing a swift convenient, high-efficient and high work piece both ends bearing end face detection device that beats of economic nature. The utility model provides a work piece both ends bearing end face detection device that beats, includes the bottom plate, be equipped with the locating piece that is used for supporting positioning workpiece on the bottom plate, the locating piece left and right sides all is equipped with a test jig, and the test jig includes left test jig and right test jig, left side test jig left part and right test jig right part all are fixed with a amesdial, the locating piece has the V-arrangement groove that makes progress opening and be used for supporting the bearing outer lane on the work piece, and the locating piece is equipped with left side groove of stepping down and the right groove of stepping down that is located V-arrangement groove downside and communicates with the V-arrangement groove, left side test jig right part is articulated to be fixed in left side groove of stepping down so that left test jig left part can overturn downwards, right side test jig left part is articulated to be fixed in right groove of stepping down so.

Description

Workpiece two-end bearing end face run-out detection device

Technical Field

The utility model relates to a bearing is beated and is examined utensil, concretely relates to work piece both ends bearing end face detection device that beats.

Background

In the new energy automobile reducer industry, the bearing is widely used as an important part for ensuring the product performance and quality. The two ends of an input shaft, the two ends of an intermediate shaft and the two ends of a differential mechanism of the speed reducer assembly can normally work only by bearing support, and the bearing runout at the two ends is a key factor of the normal work of the speed reducer assembly.

The traditional method for detecting the bearing runout mainly adopts a V-shaped block matched with a dial indicator to measure, has low detection efficiency, is greatly influenced by the proficiency of inspectors, and is not suitable for batch use; in addition, the deflection instrument is adopted for detection, so that the cost is high and the economy is poor. Therefore, a bearing jumping detection tool which is fast, convenient, efficient and high in economy is urgently needed by a new energy automobile reducer enterprise.

Disclosure of Invention

The utility model aims at providing a swift convenient, high-efficient and high work piece both ends bearing end face detection device that beats of economic nature.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a workpiece two-end bearing end face runout detection device comprises a bottom plate, wherein a positioning block for supporting and positioning a workpiece is arranged on the bottom plate, a detection frame is arranged on each of the left side and the right side of the positioning block, each detection frame comprises a left detection frame and a right detection frame, dial indicators are fixed on the left part and the right part of each left detection frame, each positioning block is provided with a V-shaped groove which is opened upwards and used for supporting the outer ring of a bearing on the workpiece, each positioning block is provided with a left abdicating groove and a right abdicating groove which are positioned on the lower side of the V-shaped groove and communicated with the V-shaped grooves, the right part of each left detection frame is hinged and fixed in the left abdicating groove so that the left part of each left detection frame can be turned downwards, and the left part of each right detection frame is; when a workpiece is placed in the V-shaped groove, the outer ring of a bearing of the workpiece is in contact with the wall of the V-shaped groove, the upper edges of the right part of the left detection frame and the upper edges of the left part of the right detection frame are in contact with the outer rings of bearings at two ends of the workpiece respectively, and the detection ends of the detection rods of the two dial indicators are in contact with the inner rings of the bearings at two ends of the workpiece respectively.

Carry out the utility model discloses the use of device, when not placing the work piece, under the effect of gravity, the upset downwards of left side test rack left part, the upset downwards of right side test rack right part, so that the measuring bar of amesdial is vertical slope, so that leave the space of placing that supplies the work piece to pass through between two amesdial sense terminals, carry out the placing downwards of work piece afterwards, so that the bearing at work piece both ends all pastes with V-arrangement groove wall, the gravity through the work piece is with the reduction of driving left side test rack and right test rack, so that the measuring bar of amesdial becomes horizontal setting state by vertical tilt state, thereby realize the contact of amesdial sense terminal and bearing inner circle, the manual rotation of the axle that carries out the work piece through other modes of last workman, in order to carry out the detection that bearing inner circle terminal surface beats. Wherein, publicly known, the utility model discloses a amesdial also can be according to detecting the required percentage table, ten thousand minutes of changing into of precision.

The utility model discloses the device does not be equipped with the yaw appearance, also need not set up the cylinder that drives amesdial axial displacement, does not need the workman to carry out the axial displacement of amesdial, only needs the workman to carry out the operation that the work piece put down, the axle of work piece rotates, the work piece takes out, and more swift convenient and high-efficient and economic nature is high.

Preferably, the locating piece includes left locating piece and right locating piece, and left locating piece and right locating piece all are equipped with and run through and make progress the open-ended V-arrangement groove about, the left locating piece is run through to the left side in the groove of stepping down on a left side, right locating piece is run through to the right side constant head tank right side.

The arrangement is lower in consumable material of the positioning block, and the left positioning block and the right positioning block can be used for abdicating the gear on the shaft of the workpiece. Improve simultaneously the utility model discloses the device is compatible, can control the distance between the locating piece through the adjustment in order to satisfy the detection requirement of beating of different models, different series of work pieces.

Preferably, the left part lower side of the left detection frame and the right part lower side of the right detection frame are both provided with a support assembly, the support assembly comprises a support block, a compression spring and a support rod are arranged in the support block, and the upper end of the support rod moves upwards under the action of the compression spring to be in contact with the detection frame.

One side of the detection frame deviating from the positioning block is supported through the compression spring and the supporting rod, so that certain gravity of the detection frame is overcome, the detection frame cannot turn over under the weight of a workpiece, the position of the dial indicator detection rod on the detection frame is kept, and detection precision is guaranteed. And the supporting component is also used for resetting the detection frame, so that the resetting of the detection frame is more rapid and convenient.

Preferably, rolling parts with circular cross-section outer edges are rotatably fixed on the upper sides of the right part of the left detection frame and the left part of the right detection frame, and the workpiece is placed in the V-shaped groove of the positioning block so that the bearing outer ring is in contact with the upper edges of the rolling parts. The rolling piece can rotate, so that the contact surface of the rolling piece and the outer ring of the workpiece bearing is more, the abrasion of the contact part of the detection frame and the workpiece is reduced, and the service life of the detection frame is prolonged.

Preferably, the rolling part is arranged in a ring shape in cross section and is fixed with the detection frame through a rotating shaft. The rolling part can be made of an unprocessed gear piece or a bearing, and is not made of steel balls, so that the rolling part and a part for preventing the rolling part from being separated are lower in cost.

Preferably, the rotation shaft is disposed in a front-rear direction. The arrangement prevents the bearing on the workpiece from driving the rolling part to rotate, so that the abrasion of the rolling part is further reduced.

Preferably, at least one side of the left side and the right side of the positioning block is provided with a limiting component, and the limiting component is provided with a limiting surface used for being in contact with a bearing outer ring of a workpiece. The setting is so that the axial positioning effect of the workpiece is better, and the contact between the detection end of the dial indicator and the inner ring of the bearing can be realized without the axial movement of the dial indicator.

Preferably, spacing subassembly includes fixed plate and regulation post, adjust the post along controlling the direction setting, the fixed plate is fixed with the locating piece, the fixed plate has about to run through in order to with regulation post complex fixed orifices, one side axial terminal surface of adjusting the post does spacing face, it has two at least fixation nut to adjust the post outer wall and form the screw thread structure of mutually supporting or adjust the screw-thread fit on the post with the fixed orifices inner wall. Can adjust the detection of post in order to realize different model work pieces through removing, so that the utility model discloses application range is wider.

Preferably, the left detection frame or/and the right detection frame is/are composed of a hinged part and a fixed part, the left end of the hinged part is hinged and fixed with the positioning block, the dial indicator is fixed on the fixed part, the side, deviated from the left end, of the hinged part is provided with a strip-shaped groove arranged along the left-right direction, the fixed part is provided with a fixing rod extending into the strip-shaped groove, the fixing rod is slidably matched in the strip-shaped groove, and the fixing rod is provided with a locking piece used for keeping the left position and the right position of. Also can be through adjusting the amesdial control the position so that the utility model is suitable for a bearing end face of different model work pieces detects.

Preferably, a guide groove penetrating through the hinge portion from front to back is formed in the hinge portion, the locking piece comprises a guide block, the guide block and the guide groove are respectively provided with a plane which can be in mutual contact to limit rotation of the guide block, a limiting portion is arranged at one end of the guide block, a locking nut is arranged at the other end of the guide block, the guide block is provided with a fixing groove penetrating through the guide block from top to bottom, and the fixing rod is fixed in the fixing groove.

Can be through adjusting the height position of amesdial so that the utility model is suitable for a bearing end face of different model work pieces detects. The fixing rod of the fixing part can be fixed with the guide block in a threaded fixing mode or a nut matching mode.

The utility model has the advantages of swift facility, high efficiency and economic nature are high.

Drawings

Fig. 1 is a usage state diagram of the present invention;

FIG. 2 is a schematic view of the present invention when not in use;

fig. 3 is a schematic structural diagram of the right detection frame of the present invention.

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

Shown by fig. 1 to 3, the utility model discloses a work piece both ends bearing end face detection device that beats, including bottom plate 1, be equipped with the locating piece that is used for supporting the location work piece on the bottom plate 1, the locating piece includes left locating piece 2 and right locating piece 3, and the locating piece left and right sides all is equipped with a carriage that is L shape, and the carriage is including being located 2 left side detection racks 4 of left locating piece and being located the right side detection rack 5 on 3 right sides of right locating piece, and 4 left parts of left side detection racks and 5 right parts of right side detection rack all are fixed with a amesdial 6. The dial indicator and the detection frame are fixed by the conventional fixing mode.

Left locating piece 2 and right locating piece 3 all are equipped with about and run through and the V-arrangement groove 12 of upwards opening in order to be used for supporting work piece 10 upper bearing 11 outer lane, left locating piece 2 is equipped with the left groove 21 of stepping down that is located V-arrangement groove 12 downside and communicates with V-arrangement groove 12, right locating piece 3 is equipped with the right groove 31 of stepping down that is located V-arrangement groove 12 downside and communicates with V-arrangement groove 12, left locating piece 2 is run through about the groove 21 of stepping down in a left side, right locating piece 3 is run through about the groove 31 of stepping down in a right side, the articulated fixing in the groove 21 of stepping down in a left side of left side test rack 4 left part is so that left test rack 4 left part can overturn from top to bottom, 5 left parts of right test rack articulate and fix in the groove 31. When the workpiece 10 is placed in the V-shaped groove, the outer ring of the bearing 11 of the workpiece 10 is contacted with the wall of the V-shaped groove, the upper edges of the right part of the left detection frame 4 and the left part of the right detection frame 5 are respectively contacted with the outer rings of the bearings 10 at the two axial ends of the workpiece 10, and the detection ends 62 of the detection rods 61 of the two dial indicators 6 are respectively contacted with the axial end faces of the inner rings of the bearings at the two axial ends of the workpiece.

Left side test rack 4 left part downside and right test rack 5 right part downside all are equipped with supporting component, and supporting component includes supporting shoe 71, are equipped with compression spring 72 and bracing piece 73 in the supporting shoe 71, and bracing piece 73 upper end is in order to contact with the test rack in rebound under compression spring 72's effect. Supporting shoe 71 has and runs through from top to bottom and the little holding tank that one end opening is big of one end opening, and bracing piece 73 one end is located the holding tank for thick section, and bracing piece 73 one end is thin section in order upwards to pass the supporting shoe, and the holding tank bottom threaded fixation of supporting shoe has the end cap, and the compression spring both ends offset with end cap and the thick section of bracing piece respectively.

The upper side of the right part of the left detection frame 4 and the upper side of the left part of the right detection frame 5 can be rotatably fixed with rolling parts 9 with circular cross sections and outer edges, and workpieces 10 are placed in the V-shaped grooves of the positioning blocks so that the outer rings of the bearings 11 are in contact with the upper edges of the rolling parts 9. The section of the rolling part 9 is arranged in a ring shape, the rolling part 9 is fixed with the detection frame through a rotating shaft 91, and the rotating shaft 91 is arranged along the front-back direction.

2 left sides of left locating piece are fixed with spacing subassembly, and spacing subassembly has the spacing face that is used for contacting with the bearing 11 outer lane of work piece 10, and spacing subassembly includes fixed plate 81 and regulation post 82, adjusts the post 82 and sets up along left right direction, and fixed plate 81 passes through the bolt fastening with left locating piece together, and fixed plate 81 has about run through in order with regulation post 82 complex fixed orifices, and the right side axial terminal surface of adjusting post 82 does spacing face, regulation post 82 outer wall and fixed orifices inner wall form the helicitic texture of mutually supporting.

The right detection frame 5 is composed of a hinge part 51 and a fixed part 52, the left end of the hinge part 51 is hinged and fixed with the right positioning block 3, the dial indicator 6 is fixed on the fixed part 52, the side of the hinge part 51 deviated from the left end is provided with a strip-shaped groove 53 arranged along the left-right direction, the fixed part 52 is provided with a fixed rod 54 extending into the strip-shaped groove 53, the fixed rod 54 is slidably matched in the strip-shaped groove 53, and the fixed rod 54 is provided with a locking piece used for keeping the left and right positions of the fixed. The hinge part 51 is provided with a guide groove 55 which penetrates through the front and the back and is communicated with the strip-shaped groove, the locking piece comprises a guide block 56, the guide block 56 and the guide groove 55 are respectively provided with a plane 57 which can be contacted with each other to limit the rotation of the guide block, one end of the guide block 56 is provided with a limiting part 58, the other end of the guide block 56 is provided with a locking nut 59, the guide block 56 is provided with a fixing groove which penetrates through the upper part and the lower part, and the fixing rod 54.

Carry out the utility model discloses the use of device, when not placing the work piece, under the effect of gravity, left side test rack left part is upset downwards, right side test rack right part is upset downwards, so that the measuring bar of amesdial is vertical slope, so that leave the space of placing that supplies the work piece to pass through between two amesdial sense terminals, carry out placing downwards of work piece afterwards, so that the bearing at work piece both ends all pastes with V-arrangement groove wall, the elasticity of the gravity through the work piece and the compression elasticity of supporting component is with the reset that drives left side test rack and right side test rack, so that the measuring bar of amesdial becomes horizontal setting state by vertical slope state, thereby realize the contact of amesdial sense terminal and bearing inner circle, the manual rotation that or carry out the axle of work piece through other modes of last workman, in order to carry out the detection that bearing inner circle terminal surface beats. Wherein, publicly known, the utility model discloses a amesdial also can be according to detecting the required percentage table, ten thousand minutes of changing into of precision.

Claims

1. A device for detecting end face runout of bearings at two ends of a workpiece is characterized by comprising a bottom plate, wherein a positioning block for supporting and positioning the workpiece is arranged on the bottom plate, a detection frame is arranged on each of the left side and the right side of the positioning block, each detection frame comprises a left detection frame and a right detection frame, dial indicators are fixed on the left portion and the right portion of each left detection frame, each positioning block is provided with a V-shaped groove which is opened upwards and used for supporting the outer ring of a bearing on the workpiece, each positioning block is provided with a left abdicating groove and a right abdicating groove which are positioned on the lower side of the V-shaped groove and communicated with the V-shaped grooves, the right portion of each left detection frame is hinged and fixed in the left abdicating groove so that the left portion of each left detection frame can be turned downwards, and the left portion of each; when a workpiece is placed in the V-shaped groove, the outer ring of a bearing of the workpiece is in contact with the wall of the V-shaped groove, the upper edges of the right part of the left detection frame and the upper edges of the left part of the right detection frame are in contact with the outer rings of bearings at two ends of the workpiece respectively, and the detection ends of the detection rods of the two dial indicators are in contact with the inner rings of the bearings at two ends of the workpiece respectively.

2. The device for detecting end face runout of bearings at two ends of a workpiece according to claim 1, wherein the positioning block comprises a left positioning block and a right positioning block, the left positioning block and the right positioning block are respectively provided with the V-shaped grooves which penetrate left and right and are opened upwards, the left abdicating groove penetrates the left positioning block leftwards, and the right positioning groove penetrates the right positioning block rightwards.

3. The device for detecting end face runout of bearings at two ends of a workpiece according to claim 1, wherein the left lower side of the left detection frame and the right lower side of the right detection frame are provided with support components, each support component comprises a support block, a compression spring and a support rod are arranged in each support block, and the upper end of each support rod moves upwards under the action of the compression spring to be in contact with the detection frame.

4. The device for detecting end face runout of bearings at two ends of a workpiece according to claim 1, wherein rolling members with circular cross-section outer edges are rotatably fixed on the upper side of the right part of the left detection frame and the upper side of the left part of the right detection frame, and the workpiece is placed in the V-shaped groove of the positioning block so that the outer ring of the bearing is in contact with the upper edges of the rolling members.

5. The end face runout detecting device for the bearings at two ends of the workpiece according to claim 4, wherein the cross section of the rolling member is arranged in a ring shape, and the rolling member is fixed with the detecting frame through a rotating shaft.

6. The device for detecting end face runout of bearings at two ends of a workpiece according to claim 5, wherein the rotating shaft is arranged in the front-rear direction.

7. The device for detecting the end face runout of the bearings at two ends of the workpiece according to claim 1, wherein at least one of the left and right sides of the positioning block is provided with a limiting component, and the limiting component is provided with a limiting surface for contacting with the outer ring of the bearing of the workpiece.

8. The workpiece end bearing runout detecting device according to claim 7, wherein the limiting component comprises a fixing plate and an adjusting column, the adjusting column is arranged along the left-right direction, the fixing plate is fixed with the positioning block, the fixing plate has a fixing hole which penetrates through the fixing plate left and right to match with the adjusting column, one axial end face of the adjusting column is the limiting face, and the outer wall of the adjusting column and the inner wall of the fixing hole form a mutually matched thread structure or the adjusting column is provided with at least two fixing nuts in thread matching.

9. The workpiece bearing end face runout detecting device according to claim 1 or 2, wherein the left detecting frame or/and the right detecting frame is/are composed of a hinge portion and a fixing portion, the left end of the hinge portion is hinged and fixed with the positioning block, the dial indicator is fixed on the fixing portion, the side of the hinge portion, which is deviated from the left end, is provided with a strip-shaped groove arranged along the left-right direction, the fixing portion is provided with a fixing rod extending into the strip-shaped groove, the fixing rod is slidably fitted in the strip-shaped groove, and the fixing rod is provided with a locking piece for keeping the left-right position of the fixing rod.

10. The device for detecting end face runout of bearings at two ends of a workpiece according to claim 1 or 2, wherein the hinge portion is provided with a guide groove penetrating in the front and back direction, the locking member comprises a guide block, the guide block and the guide groove are provided with planes capable of contacting with each other to limit the rotation of the guide block, one end of the guide block is provided with a limiting portion, the other end of the guide block is provided with a locking nut, the guide block is provided with a fixing groove penetrating in the up and down direction, and the fixing rod is fixed in the fixing groove.