CN210165848U

CN210165848U - Hole site measurement assembly of shaft workpiece

Info

Publication number: CN210165848U
Application number: CN201921174519.6U
Authority: CN
Inventors: 周志彪; 应锦辉; 陈敬森
Original assignee: Taizhou City Central Asia Auto Parts Ltd By Share Ltd
Current assignee: Taizhou City Central Asia Auto Parts Ltd By Share Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-03-20
Anticipated expiration: 2029-07-24

Abstract

The utility model provides an assembly is measured to hole site of axle type work piece belongs to and examines a technical field. The problem that it was solved is how to improve detection efficiency, guarantee to detect the precision. The utility model discloses a bottom plate, link firmly on the bottom plate and be used for anchor clamps and the slide on the bottom plate of centre gripping axle type work piece, the support has been linked firmly on the slide, be equipped with the spline housing on the anchor clamps, be equipped with the locating hole that can supply axle type work piece one end to stretch into on the support, the support lateral part is provided with the inspection hole, the inspection hole passes the locating hole, this hole site measurement assembly of axle type work piece still includes a detection round pin, it is provided with the removal cover to slide on the support, the removal cover supports and leans on the face at the drill way place in the locating hole, the removal cover lateral part has linked firmly the locating lever, the locating lever extends. The utility model discloses improve detection efficiency well, convenient operation, detection precision are also than higher simultaneously.

Description

Hole site measurement assembly of shaft workpiece

Technical Field

The utility model belongs to the technical field of examine utensil, a measure the assembly, especially relate to a hole site measurement assembly of axle type work piece.

Background

The driving shaft is a rotating body with high rotating speed and less support, a hole can be formed in one end of the driving shaft according to requirements in the processing process of the driving shaft, specific requirements are made on the angle of the hole and the position from the hole to the end face of the driving shaft, and particularly the angle of the hole is required to be in a certain position relation with a spline on the driving shaft. At present, before leaving the factory, various detections are performed on a driving shaft, for example, a detection tool for detecting a driving shaft of an automobile, which is disclosed by application number 201820686197.2, can realize sealing detection of the driving shaft; still another or more general-purpose drive shaft detecting device disclosed in application No. 201710300179.6 is capable of detecting a flange face angle with respect to a common axis, a shaft body parallelism with respect to a common axis, and a coaxiality with respect to an independent axis.

However, the hole opening angle on the driving shaft and the end surface from the hole opening to the driving shaft are not detected by corresponding detection tools, so that the detection can be conveniently performed by a processing person, and the detection is performed by depending on more tools such as experience judgment of the processing person and a handheld vernier caliper, so that the detection efficiency is low, and the detection accuracy is not high.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a hole site measurement assembly of axle type work piece, the technical problem that solve is how to improve detection efficiency, guarantee to detect the precision.

The purpose of the utility model can be realized by the following technical proposal:

a hole site measuring assembly of shaft workpieces comprises a bottom plate, a clamp which is fixedly connected on the bottom plate and used for clamping the shaft workpieces, and a sliding seat which is connected on the bottom plate in a sliding way, wherein a bracket is fixedly connected on the sliding seat, a spline sleeve is arranged on the clamp, the hole site measuring assembly is characterized in that a positioning hole which can be used for one end of the shaft workpiece to stretch into is formed in the support, a detection hole is formed in the side portion of the support in a penetrating mode along the vertical direction, the detection hole penetrates through the positioning hole, the hole site measuring assembly of the shaft workpiece further comprises a detection pin which can be in clearance fit with the detection hole, a moving sleeve is arranged on the support in a sliding mode, the sliding direction of the moving sleeve is the same as that of the sliding seat, the moving sleeve is abutted to the face where the hole opening is formed in the positioning hole, a positioning rod is fixedly connected to the side portion of the moving sleeve, the positioning rod extends out of the side portion of the support, a dial indicator is fixedly connected to the sliding seat.

When the hole site measurement assembly of this axle type work piece is being made, it is the same with the required size of required trompil on the drive shaft to guarantee the inspection hole size, utilize a standard component to detect earlier before using simultaneously, the hole on the standard component just right with the inspection hole on the support, the standard component terminal surface can promote to remove the cover and slide to keeping away from anchor clamps direction simultaneously, the locating lever can extrude the measuring rod tip of percentage table and make the pointer on the percentage table deflect like this, can regard the pointer index on the percentage table as the benchmark value this moment, and the corresponding reasonable tolerance area that sets up.

Because the hole in the driving shaft and the external spline have an angle requirement, the fixture is provided with the spline sleeve for positioning, so that the same angle is formed between the external spline and the detection hole after the driving shaft is installed in the fixture, and after the driving shaft is fixed on the fixture through the matching of the external spline and the spline hole, whether the hole in the driving shaft and the external spline on the driving shaft form a corresponding angle can be detected through the detection hole. The specific detection process is as follows: during detection, the driving shaft is fixed on the clamp through the matching of the external spline and the spline hole, then the sliding seat is pushed to slide towards the clamp, one end of the opening of the driving shaft is inserted into the positioning hole, when the sliding seat moves to the position, where the detection hole is located in the position on the driving shaft, the detection pin is used for detection, and at the moment, if the opening angle on the driving shaft is qualified, the detection pin can penetrate through the detection hole and the positioning hole; at this time, if the opening angle of the driving shaft is not qualified, the detecting pin cannot pass through the detecting hole and the positioning hole. After the opening angle on the driving shaft is detected, the opening angle on the driving shaft is qualified, and then whether the deviation between the pointer index on the dial indicator and the reference value falls into the set reasonable tolerance band or not is observed, if the deviation falls into the reasonable tolerance band, the distance from the opening on the driving shaft to the end face of the driving shaft can be judged to be qualified, and if the deviation does not fall into the reasonable tolerance band, the distance from the opening on the driving shaft to the end face of the driving shaft can be judged to be unqua.

Through the arrangement of the structure, the hole site measuring assembly of the shaft workpiece can simultaneously detect the distance from the opening angle and the opening position to the end face of the driving shaft, the detection efficiency is well improved, and meanwhile, the hole site measuring assembly is convenient to operate and high in detection precision.

In the hole site measuring assembly of the shaft workpiece, a spring seat is fixed on the sliding seat, the support is located between the spring seat and the clamp, a supporting shaft and a supporting spring are arranged in the spring seat, the movable sleeve is annular, a supporting hole is formed in the surface, facing the spring seat, of the movable sleeve, one end face of the supporting shaft abuts against the surface, facing the spring seat, of the movable sleeve under the elastic action of the supporting spring, and the end face of the supporting shaft is fixedly connected with a supporting head extending into the supporting hole.

The spring seat is fixed on the sliding seat, the support shaft and the support spring are arranged in the spring seat, one end face of the support shaft abuts against the face, facing the spring seat, of the moving sleeve under the elastic action of the support spring, the support head on the end face of the support shaft extends into the support hole, the elastic force of the support spring can act on the moving sleeve to achieve automatic reset of the moving sleeve after detection is completed, and meanwhile the support head and the support hole are matched to form stable matching between the moving sleeve and the support shaft.

In the hole site measuring assembly of the shaft workpiece, the surface of the movable sleeve, which is back to the spring seat, is abutted against the surface where the inner hole opening of the positioning hole is located, the surface of the movable sleeve, which is back to the spring seat, is provided with a yielding hole, the yielding hole is coaxial with the supporting hole and the positioning hole, and the aperture of the positioning hole is larger than that of the yielding hole.

The end face of the driving shaft is provided with a raised head, when the sliding seat moves to the position where the driving shaft extends into the positioning hole, the end face of the driving shaft abuts against the surface where the hole in the positioning hole is located, and meanwhile, the raised head on the end face of the driving shaft is inserted into the abdicating hole in the movable sleeve, so that the detection precision of the distance from the end face of the driving shaft to the hole in the driving shaft can be improved.

In the hole site measuring assembly of the shaft workpiece, the side part of the spring seat is fixedly connected with an installation frame, and the dial indicator is fixed on the installation frame.

In the hole site measuring assembly of the shaft workpiece, the outer peripheral surface of the movable sleeve is provided with a connecting hole, the positioning rod is arranged along the vertical direction, the lower end of the positioning rod is fixed in the connecting hole, the side part of the support is provided with a yielding chute, and the upper end of the positioning rod penetrates out of the support through the yielding chute.

Through seting up of the spout of stepping down, outside the locating lever upper end was worn out the support through the spout of stepping down, when the drive shaft terminal surface was pushing up and is moving the cover and slide to keeping away from anchor clamps direction like this, the locating lever just can be along with moving the cover and together remove and press down the measuring head of percentage table in order to realize the detection of drive shaft terminal surface to drive shaft upper bore distance.

In the hole site measurement assembly of foretell axle type work piece, the support includes the support and connects in the support through the fastener towards the position sleeve on the anchor clamps lateral wall, the position sleeve is the tube-shape, the locating hole all is located the position sleeve with the inspection hole, be equipped with the cavity on the support towards a lateral wall of anchor clamps, the interior terminal surface of position sleeve is equipped with the location bulge loop, location bulge loop embedding cavity, be equipped with the mounting hole on a lateral wall of support anchor clamps dorsad, the mounting hole is linked together with the cavity, remove the cover and locate in the mounting hole and remove set part embedding location bulge loop, let a position spout and mounting hole intercommunication.

The support includes the support and connects the position sleeve on the support orientation anchor clamps lateral wall through the fastener, and the locating hole all is located the position sleeve with the inspection hole, means that the hole site of this axle type work piece measures the dismantlement of assembly accessible fastener and changes the position sleeve, can improve the suitability like this, all can detect the drive shaft of each different specifications.

In the hole site measurement assembly of foretell axle type work piece, the bottom plate has linked firmly the bearing frame, is equipped with the locating pin that can rotate on the bearing frame, is fixed with the carousel on the locating pin, and the outer peripheral face of carousel has linked firmly the handle, and the up end off-centre of carousel is provided with the connecting pin, has linked firmly the erection pin on the slide, and the erection pin is parallel to each other with the connecting pin, is connected with the actuating lever between carousel and the slide, and the actuating lever both ends cup joint respectively on connecting pin and erection pin.

During detection, the driving shaft is clamped on the clamp, then the handle is pulled to enable the turntable to rotate, and the sliding seat is pushed to slide towards the direction close to the clamp through the swinging of the driving rod. After detection is finished, the handle is pulled to enable the turntable to rotate reversely, and the sliding seat is pulled to slide in the direction far away from the clamp and reset to the initial position through the swinging of the driving rod.

Compared with the prior art, this hole site of axle type work piece measures assembly sets up locating hole and inspection hole on the support, stretches into the locating hole through the one end of axle type work piece trompil and can detect the trompil angle of drive shaft in, can detect the distance of drive shaft terminal surface to trompil department on the drive shaft through the setting of removing cover and percentage table simultaneously, has improved detection efficiency well, convenient operation, detection precision are also than higher simultaneously.

In addition, the support sets up to include the support and utilizes the fastener to connect the position sleeve on the support, and the position sleeve is located to locating hole and inspection hole, and the dismantlement of accessible fastener comes to change the position sleeve like this, has improved the suitability, all can detect the drive shaft of each different specifications.

Drawings

FIG. 1 is a cross-sectional view of a hole site measurement assembly for a spindle-type workpiece.

FIG. 2 is a top view of a hole site measurement assembly for a spindle-type workpiece.

FIG. 3 is a cross-sectional view of a spring seat and a bracket in a hole site measurement assembly of a workpiece such as a spindle.

FIG. 4 is an exploded cross-sectional view of the hole site measurement assembly for the axial workpiece, which is between the bracket and the movable sleeve.

In the figure, 1, a bottom plate; 2. a clamp; 3. a slide base; 4. a support; 4a, a support; 4a1, a yield chute; 4a2, cavity; 4a3, mounting holes; 4b, a positioning sleeve; 4b1, locating holes; 4b2, detection well; 4b3, positioning convex ring; 5. a detection pin; 6. moving the sleeve; 6a, supporting holes; 6b, a yielding hole; 6c, connecting holes; 7. positioning a rod; 8. a dial indicator; 9. a spring seat; 10. a support shaft; 10a, a support head; 11. a support spring; 12. a mounting frame; 13. a bearing seat; 14. positioning pins; 15. a turntable; 16. a handle; 17. a connecting pin; 18. mounting a pin; 19. a drive rod; 20. a drive shaft.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, an assembly for measuring hole sites of shaft type workpieces comprises a base plate 1, a clamp 2 fixedly connected to the base plate 1 and used for clamping the workpieces, and a sliding seat 3 slidably connected to the base plate 1, wherein a bearing seat 13 is fixedly connected to the base plate 1, a positioning pin 14 capable of rotating is arranged on the bearing seat 13, a rotary table 15 is fixed on the positioning pin 14, a handle 16 is fixedly connected to the outer peripheral surface of the rotary table 15, a connecting pin 17 is eccentrically arranged on the upper end surface of the rotary table 15, a mounting pin 18 is fixedly connected to the sliding seat 3 near the bearing seat 13, the mounting pin 18 is parallel to the connecting pin 17, a driving rod 19 is connected between the rotary table 15 and the sliding seat 3, and two ends of the driving rod 19 are. The rotating disc 15 can be rotated by pulling the handle 16, and the connecting pin 17 is eccentrically disposed on the rotating disc 15, so that when the rotating disc 15 rotates, the sliding base 3 can be pushed to slide toward the clamp 2 or the sliding base 3 can be pulled to slide away from the clamp 2 by one end of the driving rod 19. In this embodiment, anchor clamps 2 include three installation piece of fixing on bottom plate 1, have a spline housing along vertical direction sliding connection on the installation piece in the middle of being located, and drive shaft 20 all is equipped with V type groove on the installation piece that is located the middle through the spline location, is located the installation piece of both sides, and drive shaft 20 both ends are located the V type inslot that corresponds respectively.

As shown in fig. 1, 3 and 4, a support 4 is fixedly connected to the slide carriage 3, a positioning hole 4b1 into which one end of the shaft-like workpiece can extend is formed in the support 4, a detection hole 4b2 penetrates through the side portion of the support 4 in the vertical direction, the detection hole 4b2 penetrates through the positioning hole 4b1, and the hole site measurement assembly for the shaft-like workpiece further comprises a detection pin 5 which can form clearance fit with the detection hole 4b2 and penetrate through the detection hole 4b 2.

As shown in fig. 1, 3 and 4, the support 4 is provided with a movable sleeve 6 in a sliding manner, the sliding direction of the movable sleeve 6 is the same as that of the sliding seat 3, the movable sleeve 6 abuts against the surface where the inner hole of the positioning hole 4b1 is located, the side part of the movable sleeve 6 is fixedly connected with a positioning rod 7, the positioning rod 7 extends out of the side part of the support 4, the sliding seat 3 is fixedly connected with a dial indicator 8, the measuring rod of the dial indicator 8 is distributed along the sliding direction of the sliding seat 3, and the end part of the measuring rod of the dial indicator 8 abuts against the positioning rod 7.

As shown in fig. 3 and 4, in detail, the bracket 4 includes a support 4a and a positioning sleeve 4b connected to a side wall of the support 4a facing the jig 2 by a fastener, the positioning sleeve 4b has a cylindrical shape, and the positioning hole 4b1 and the detection hole 4b2 are both located on the positioning sleeve 4 b. A concave cavity 4a2 is arranged on one side wall of the support 4a facing the clamp 2, a positioning convex ring 4b3 is arranged on the inner end face of the positioning sleeve 4b, the positioning convex ring 4b3 is embedded into the concave cavity 4a2, a mounting hole 4a3 is arranged on one side wall of the support 4a facing away from the clamp 2, the mounting hole 4a3 is communicated with the concave cavity 4a2, the movable sleeve 6 is annular, the movable sleeve 6 is arranged in the mounting hole 4a3, and part of the movable sleeve 6 is embedded into the positioning convex ring 4b 3. The peripheral face of removal cover 6 is equipped with connecting hole 6c, and locating lever 7 sets up along vertical direction, and in the locating lever 7 lower extreme was fixed in connecting hole 6c, support 4a lateral part offered the spout of stepping down 4a1 that is linked together with mounting hole 4a3, and the spout of stepping down 4a1 is worn out outside support 4 in the locating lever 7 upper end.

As shown in fig. 3 and 4, a spring seat 9 is fixed on the slide seat 3, the bracket 4 is located between the spring seat 9 and the clamp 2, a support shaft 10 and a support spring 11 are arranged in the spring seat 9, and one end face of the support shaft 10 abuts against the surface of the moving sleeve 6 facing the spring seat 9 under the elastic force of the support spring 11. The end face of the supporting shaft 10 is fixedly connected with a supporting head 10a, a supporting hole 6a is formed in the face, facing the spring seat 9, of the moving sleeve 6, and the supporting head 10a extends into the supporting hole 6 a.

As shown in fig. 1, 3 and 4, a surface of the moving sleeve 6 facing away from the spring seat 9 abuts against a surface of the opening in the positioning hole 4b1, a yielding hole 6b is formed in the surface of the moving sleeve 6 facing away from the spring seat 9, the yielding hole 6b is coaxial with the supporting hole 6a and the positioning hole 4b1, and the aperture of the positioning hole 4b1 is larger than that of the yielding hole 6 b. The side part of spring holder 9 is connected with mounting bracket 12 firmly, and percentage table 8 is fixed on mounting bracket 12.

The hole site of this axle type work piece measures assembly is mainly to drive shaft 20 on the engine, and the one end of drive shaft 20 generally can be carried out the trompil as required, all has specific requirement to the angle of trompil and trompil department to the terminal surface of drive shaft 20, and the angle of trompil especially will be certain position relation with the spline on drive shaft 20.

When the hole site measurement assembly of this axle type work piece is made, guarantee that inspection hole 4b2 size is the same with the required size of required trompil on the drive shaft 20, simultaneously utilize a standard part to detect earlier before using, the hole on the standard part just right with inspection hole 4b2 on the support 4, the standard part terminal surface can promote to remove cover 6 and slide to keeping away from 2 directions of anchor clamps, locating lever 7 can extrude the measuring stick tip of percentage table 8 and make the pointer on the percentage table 8 deflect like this, can regard the pointer index on the percentage table 8 as the benchmark value this moment, and the corresponding reasonable tolerance area that sets up.

Fixing a driving shaft 20 to be detected on the clamp 2 through a spline, then pushing the sliding seat 3 to slide towards the clamp 2, inserting one end of the opening of the driving shaft 20 into the positioning hole 4b1, detecting by using the detection pin 5 when the sliding seat 3 moves to the position where the detection hole 4b2 is located on the driving shaft 20, and at this time, if the opening angle on the driving shaft 20 is qualified, the detection pin 5 can pass through the detection hole 4b2 and the positioning hole 4b 1; at this time, if the opening angle of the driving shaft 20 is not acceptable, the detecting pin 5 cannot pass through the detecting hole 4b2 and the positioning hole 4b 1. When the opening angle of the driving shaft 20 is qualified after detection, whether the deviation between the pointer index on the dial indicator 8 and the reference value falls into the set reasonable tolerance band or not is observed, if the deviation falls into the reasonable tolerance band, the distance from the opening on the driving shaft 20 to the end face of the driving shaft 20 can be judged to be qualified, and if the deviation does not fall into the reasonable tolerance band, the distance from the opening on the driving shaft 20 to the end face of the driving shaft 20 can be judged to be unqualified.

Through the setting of above-mentioned structure for this axle type work piece's hole site measurement assembly can detect the distance of trompil angle and trompil department to drive shaft 20 terminal surfaces simultaneously, has improved detection efficiency well, and convenient operation, detection precision are also than higher simultaneously.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The hole site measuring assembly of the shaft workpiece comprises a bottom plate (1), a clamp (2) which is fixedly connected on the bottom plate (1) and used for clamping the shaft workpiece, and a sliding seat (3) which is connected on the bottom plate (1) in a sliding manner, wherein a support (4) is fixedly connected on the sliding seat (3), and a spline sleeve is arranged on the clamp (2), and is characterized in that a positioning hole (4b1) into which one end of the shaft workpiece can extend is arranged on the support (4), a detection hole (4b2) penetrates through the side part of the support (4) along the vertical direction, the hole site measuring assembly of the shaft workpiece further comprises a detection pin (5) which can form clearance fit with the detection hole (4b2), a movable sleeve (6) is arranged on the support (4) in a sliding manner, the sliding direction of the movable sleeve (6) is the same as that of the sliding seat (3), and the movable sleeve (6) is abutted against the surface where the, the lateral part of the movable sleeve (6) is fixedly connected with a positioning rod (7), the positioning rod (7) extends out of the lateral part of the support (4), the sliding seat (3) is fixedly connected with a dial indicator (8), the measuring rods of the dial indicator (8) are distributed along the sliding direction of the sliding seat (3), and the end parts of the measuring rods of the dial indicator (8) are abutted against the positioning rod (7).

2. The hole site measurement assembly of the shaft workpiece according to claim 1, wherein a spring seat (9) is fixed on the slide seat (3), the support (4) is located between the spring seat (9) and the clamp (2), a support shaft (10) and a support spring (11) are arranged in the spring seat (9), the movable sleeve (6) is annular, a support hole (6a) is formed in the surface of the movable sleeve (6) facing the spring seat (9), one end surface of the support shaft (10) abuts against the surface of the movable sleeve (6) facing the spring seat (9) under the elastic force of the support spring (11), and the end surface of the support shaft (10) is fixedly connected with a support head (10a) extending into the support hole (6 a).

3. The hole site measurement assembly of axle type work piece of claim 2, characterized in that, the face of moving sleeve (6) back to spring holder (9) and the face at the position of the inner orifice of locating hole (4b1) are supported, the face of moving sleeve (6) back to spring holder (9) is equipped with the hole of stepping down (6b), the hole of stepping down (6b) and supporting hole (6a) and locating hole (4b1) are coaxial, the aperture of locating hole (4b1) is greater than the aperture of the hole of stepping down (6 b).

4. Hole site measurement assembly of shaft workpieces according to claim 3, characterized in that the spring seat (9) is fixed at its side to a mounting bracket (12), and the dial indicator (8) is fixed on the mounting bracket (12).

5. The hole site measurement assembly of axle type work piece of claim 2 or 3 or 4, characterized in that, the removal cover (6) periphery is equipped with connecting hole (6c), locating lever (7) set up along vertical direction, and locating lever (7) lower extreme is fixed in connecting hole (6c), and support (4) lateral part has seted up the spout of stepping down (4a1), and locating lever (7) upper end is worn out outside support (4) through the spout of stepping down (4a 1).

6. Hole site measurement assembly of shaft workpieces according to claim 5, characterized in that the support (4) comprises a support (4a) and a positioning sleeve (4b) connected to a side wall of the support (4a) facing the fixture (2) by a fastener, the positioning sleeve (4b) is cylindrical, the positioning hole (4b1) and the detection hole (4b2) are both located on the positioning sleeve (4b), a cavity (4a2) is formed on a side wall of the support (4a) facing the fixture (2), a positioning convex ring (4b3) is arranged on an inner end surface of the positioning sleeve (4b), the positioning convex ring (4b3) is embedded in the cavity (4a2), a mounting hole (4a3) is formed on a side wall of the support (4a) facing away from the fixture (2), the mounting hole (4a3) is communicated with the cavity (4a2), the movable sleeve (6) is arranged in the mounting hole (4a3) and a part of the movable sleeve (6) is embedded in the positioning convex ring (4b3), the abdicating sliding groove (4a1) is communicated with the mounting hole (4a 3).

7. The hole site measurement assembly of shaft workpieces according to claim 1, wherein a bearing seat (13) is fixedly connected to the base plate (1), a rotatable positioning pin (14) is arranged on the bearing seat (13), a rotary table (15) is fixed to the positioning pin (14), a handle (16) is fixedly connected to the outer circumferential surface of the rotary table (15), a connecting pin (17) is eccentrically arranged on the upper end surface of the rotary table (15), a mounting pin (18) is fixedly connected to the slide seat (3), the mounting pin (18) is parallel to the connecting pin (17), a driving rod (19) is connected between the rotary table (15) and the slide seat (3), and two ends of the driving rod (19) are respectively sleeved on the connecting pin (17) and the mounting pin (18).