CN214537666U - Belt pulley runout testing fixture - Google Patents
Belt pulley runout testing fixture Download PDFInfo
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- CN214537666U CN214537666U CN202121092093.7U CN202121092093U CN214537666U CN 214537666 U CN214537666 U CN 214537666U CN 202121092093 U CN202121092093 U CN 202121092093U CN 214537666 U CN214537666 U CN 214537666U
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Abstract
The utility model relates to a belt pulley run-out checking fixture, which comprises a mounting seat; the workpiece mounting block is rotatably mounted on the mounting seat, and a corresponding mounting hole is formed in the middle of the workpiece mounting block; the abutting mechanism comprises a plurality of groups of fixing holes which are radially arranged on the workpiece mounting block, and corresponding abutting pieces are movably mounted on the fixing holes respectively; the installation hole is provided with a corresponding sleeving groove, the expansion silica gel ring is sleeved in the sleeving groove, and the inner end parts of the abutting parts abut against the expansion silica gel ring respectively; the outer side of the rubber pressing sleeve is provided with a sleeve convex edge used for axially pressing the expansion silica gel ring; the sleeve locking part is used for fixedly locking the rubber pressing sleeve; and the measuring head is opposite to the side wall of the workpiece mounting block. The utility model discloses the structure is simple and easy, and measurement simple operation, measuring result precision are high, and detection efficiency is high, detect with low costs.
Description
Technical Field
The utility model belongs to the technical field of the belt pulley detects, specifically indicate a belt pulley is beated and is examined utensil.
Background
After key processes of the existing belt pulley, such as stamping, spinning and other processes, the contact surface part of the belt pulley and the belt has a jumping size requirement relative to the inner hole of the bearing, and the detection reference of the belt pulley is the central axis of the bearing. When the jumping size is measured conventionally, the measuring can be completed by using the taper core rod to be in contact fit with the taper line of the bearing hole and combining with a jumping measuring instrument with larger occupied area. Firstly, the measurement adaptability is relatively low due to high requirement on space occupation, namely the device cannot be used in a production field with small space; secondly, a belt pulley bearing hole reference shaft is simulated through taper fit, the reference is greatly influenced by the taper size of the taper core rod and clamping, the repeatability of a jumping result is poor, when the dimensional tolerance of an inner hole of the belt pulley is large, the measurement accuracy can be guaranteed only by matching the taper core rods with different specifications, and the checking fixture is high in cost, management cost and detection cost.
Consequently, design a structure simple and easy, the space occupies for a short time, and measurement simple operation, measuring result precision are high, and detection efficiency is high, the belt pulley that detects with low costs is beated and is examined utensil the utility model discloses a research purpose.
Disclosure of Invention
To the technical problem that above-mentioned prior art exists, the utility model provides a belt pulley is beated and is examined utensil, and this belt pulley is beated and is examined utensil and can effectively solve the technical problem that above-mentioned prior art exists.
The technical scheme of the utility model is that:
a belt pulley run-out testing fixture comprises
A mounting seat;
the workpiece mounting block is rotatably mounted on the mounting seat, and a corresponding mounting hole is formed in the middle of the workpiece mounting block;
the abutting mechanism comprises a plurality of groups of fixing holes which are radially arranged on the workpiece mounting block, and corresponding abutting pieces are movably mounted on the fixing holes respectively;
the installation hole is provided with a corresponding sleeving groove at a position corresponding to the fixing hole, the expansion silica gel ring is sleeved in the sleeving groove, and the inner end parts of the abutting parts abut against the expansion silica gel ring respectively;
the rubber pressing sleeve is movably arranged between the mounting hole and the inner side wall of the expansion silica gel ring, and a sleeve convex edge used for axially pressing the expansion silica gel ring is arranged on the outer side of the rubber pressing sleeve;
the sleeve locking part is used for fixedly locking the rubber pressing sleeve;
and the dial indicator is arranged on the periphery of the workpiece mounting block, and a measuring head of the dial indicator is over against the side wall of the workpiece mounting block.
The butt mechanism comprises six groups of fixing holes radially arranged on the workpiece mounting block, each group of fixing holes is two, a corresponding O-shaped fixing ring is sleeved on the outer side of the workpiece mounting block, and the O-shaped fixing ring is arranged between the two fixing holes of each group and limits the butt piece arranged in the fixing holes.
The abutting part is composed of two metal balls arranged in a high-low mode, the top of the metal ball located on the upper portion abuts against the inner side wall of the workpiece, and the bottom of the metal ball located on the lower portion abuts against the expansion silica gel ring.
The mounting seat is composed of a base plate and a mounting vertical plate vertically mounted on the base plate, and the workpiece mounting block is rotatably mounted on the mounting vertical plate.
The mounting vertical plate is rotatably provided with a corresponding positioning sleeve through a bearing, the rear end part of the workpiece mounting block is arranged at the front end of the positioning sleeve, the rear end part of the positioning sleeve is provided with a corresponding rotating disc, and the rotating disc and the workpiece mounting block are fixedly connected through corresponding fixing screw rods.
The one end that the position sleeve is connected with the work piece installation piece is provided with corresponding fixed protruding edge, fixed protruding edge is located the front side of installation riser, the rear side integrated into one piece of work piece installation piece is equipped with the corresponding mounting platform of round outward, mounting platform's rear end face butt is in the fixed protruding edge of position sleeve is last.
The middle part of the fixing screw is provided with a corresponding internal thread hole, the sleeve locking part adopts a locking screw, the rod end part of the sleeve locking part is locked on the internal thread hole of the fixing screw, and the head part of the sleeve locking part is tightly pressed outside the glue pressing sleeve.
And a corresponding rotating shaft part is fixedly connected to the outer part of the rotating disc, and the rotating shaft part is fixedly connected to the outer part of the rotating disc in a threaded connection mode.
One side of the top of the mounting vertical plate is transversely and fixedly connected with a corresponding guide pillar, the guide pillar is movably provided with a corresponding sliding guide sleeve, one side of the sliding guide sleeve facing the workpiece mounting block is fixedly connected with a corresponding dial indicator fixing frame, and the dial indicator fixing device is arranged on the dial indicator fixing frame.
And a stroke limiting block for limiting the stroke of the sliding guide sleeve is fixedly connected to the outer side of the guide pillar.
The utility model has the advantages that:
1) the workpiece mounting block of the utility model is rotatably mounted on the mounting seat, and during measurement, the inner wall of the bearing hole of the workpiece is sleeved on the workpiece mounting block; then, screwing the sleeve locking part to effectively enable the rubber pressing sleeve to move inwards so as to form axial compression on the expansion silica gel ring, and along with the axial compression of the expansion silica gel ring, the radial direction of the expansion silica gel ring can form adaptive convex deformation, so that the abutting part is effectively driven to move outwards to form abutting on the inner wall of the bearing hole of the workpiece; then, a measuring head of the dial indicator is abutted against the outer wall of the workpiece, the workpiece is driven to rotate through the rotation of the workpiece mounting block, and the jumping size of the workpiece can be measured through the dial indicator.
In the process that the expansion silica gel ring generates radial deformation to push out the abutting piece, the inner end and the outer end of the abutting piece are respectively abutted between the expansion silica gel ring and the inner wall of the bearing hole of the workpiece, and along with the increase of the abutting force, the connecting part of the expansion silica gel ring and the abutting piece can form buffering deformation so as to prevent the excessive mechanical damage to the inner wall of the bearing hole of the workpiece caused by the overlarge abutting force.
And deformation through silica gel is in order to drive the butt joint ball and form radial butt joint to the work piece, and it can change the benchmark diameter in a relatively large scale, and the band pulley that can adapt to different dimensional tolerance measures and beats, and is more general in the broad adaptability, can effectively practice thrift the measurement cost.
Therefore, the advantages of simple structure, small occupied space, convenience in measurement operation, high measurement result precision, high detection efficiency and low detection cost can be effectively realized, and excessive mechanical damage to the workpiece in the measurement process can be effectively prevented.
2) The utility model discloses a butt mechanism comprises six groups of fixing holes which can be radially movably arranged on a workpiece mounting block, and can form butt support for the inner side wall of a workpiece from six directions; each group of fixing holes are two, so that double-point support is effectively formed on the inner side wall of the workpiece at the same position, and the support stability of the workpiece is effectively ensured.
And a corresponding O type retainer plate has been cup jointed in the outside of work piece installation piece, and O type retainer plate arranges in between two fixed orificess of every group to it is spacing to installing the butt piece formation in the fixed orifices, under the effect of O type retainer plate, prevents effectively that the butt piece from breaking away from the fixed orifices, in order to ensure the utility model discloses a practical effect.
3) The utility model discloses a butt piece comprises two metal balls of height setting, and the top butt that is located the metal ball on upper portion is on the inside wall of work piece, the bottom butt that is located the metal ball of lower part in expanded silica circles. In the axial compression (radial expansion) process of the expansion silica gel ring, the contact point between the expansion silica gel ring and the abutting part can be changed, so that larger friction can be formed between the abutting part and the expansion silica gel ring, and the using effect of the expansion silica gel ring cannot meet the design requirement.
Therefore, the utility model discloses a setting of two metal balls of height setting effectively realizes the roll formula butt and supports, produces radial deformation at the expansion silicon rubber ring and carries out the in-process that releases to the butt joint piece, and the metal ball that is located the lower part can effectively produce the roll along with the deformation of expansion silicon rubber ring to reduce the injury of friction to the expansion silicon rubber ring, and the roll of metal ball can not cause harmful effects to the butt of work piece, thereby effectively promotes the utility model discloses a practical function.
4. The utility model discloses an one end that the position sleeve is connected with the work piece installation piece is provided with corresponding fixed protruding edge, and fixed protruding front side along being located the installation riser, the rear side integrated into one piece is outwards equipped with the corresponding mounting platform of round, and mounting platform's rear end face butt is on the fixed protruding edge of position sleeve. The workpiece can be effectively and conveniently installed through the arrangement of the installation platform; the mounting stability of the workpiece mounting block and the fixed convex edge can be effectively ensured, namely the connection stability of the workpiece mounting block and the positioning sleeve is effectively ensured; and can effectively ensure that the rotation of work piece installation piece can not form any interference with the installation riser, thereby effectively further ensure the utility model discloses a practical function.
In the measurement process of the jumping size, sometimes only the inner hole is used as a reference, but sometimes the drawing requires the inner hole to be used as a first reference, and meanwhile, the spoke face is used as a second reference, and the two modes are switched to control whether the cavity-shaped end face of the workpiece is attached to the mounting platform or not so as to realize conversion, so that the jumping size measuring method is convenient and fast.
5. The utility model discloses a horizontal rigid coupling in top one side of installation riser has a corresponding guide pillar, and portable installation has corresponding slip guide pin bushing on the guide pillar, and the slip guide pin bushing has corresponding percentage table mount towards one side rigid coupling of workpiece setting piece, and percentage table fixing device is on the percentage table mount. Through the setting of guide pillar, slip guide pin bushing to and percentage table mount, effectively stabilize the support to the percentage table. Before the work piece assembly, move the percentage table outward earlier to promote the convenient degree of installation of work piece, after the work piece installation targets in place, reset the percentage table again, and support the measuring head of percentage table on the outer wall of work piece can, thereby effectively further promote the utility model discloses a measure the convenient degree of operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural view of the workpiece mounting block and the abutment mechanism.
Fig. 4 is a schematic view of the structure in which the workpiece is mounted on the workpiece mounting block.
Fig. 5 is a schematic structural view of the positioning sleeve.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:
referring to fig. 1-5, a belt pulley run-out gauge comprises
A mounting base 1;
the workpiece mounting block 2 is rotatably mounted on the mounting base 1, and a corresponding mounting hole 201 is formed in the middle of the workpiece mounting block;
the abutting mechanism 3 comprises a plurality of groups of fixing holes 301 which are radially arranged on the workpiece mounting block 2, and corresponding abutting pieces 302 are respectively movably arranged on the fixing holes 301;
the installation hole 201 is provided with a corresponding sleeving groove at a position corresponding to the fixing hole, the expansion silica gel ring 4 is sleeved in the sleeving groove, and the inner end parts of the abutting parts 302 abut against the expansion silica gel ring 4 respectively;
the rubber pressing sleeve 5 is movably arranged between the mounting hole 201 and the inner side wall of the expansion silica gel ring 4, and a sleeve convex edge 501 used for axially pressing the expansion silica gel ring 4 is arranged on the outer side of the rubber pressing sleeve 5;
the sleeve locking part 6 is used for fixedly locking the glue pressing sleeve 5;
and the dial indicator 7 is arranged on the periphery of the workpiece mounting block 2, and a measuring head of the dial indicator 7 is over against the side wall of the workpiece mounting block 2.
The abutting mechanism 3 comprises six groups of fixing holes 301 radially arranged on the workpiece mounting block 2, each group of fixing holes 301 is two, a corresponding O-shaped fixing ring 8 is sleeved on the outer side of the workpiece mounting block 2, the O-shaped fixing ring 8 is arranged between the two fixing holes 301 of each group, and the abutting piece 302 arranged in the fixing holes 301 is limited.
The abutting member 302 is composed of two metal balls arranged in a high-low manner, the top of the metal ball at the upper portion abuts against the inner side wall of the workpiece 9, and the bottom of the metal ball at the lower portion abuts against the expanded silica gel ring 4.
The installation seat 1 is composed of a base plate 101 and an installation vertical plate 102 vertically installed on the base plate 101, and the workpiece installation block 2 is rotatably installed on the installation vertical plate 102.
The mounting vertical plate 102 is rotatably provided with a corresponding positioning sleeve 10 through a bearing, the rear end part of the workpiece mounting block 2 is arranged at the front end of the positioning sleeve 10, the rear end part of the positioning sleeve 10 is provided with a corresponding rotating disc 11, and the rotating disc 11 and the workpiece mounting block 2 are fixedly connected through a corresponding fixing screw 12.
The one end that the position sleeve 10 is connected with work piece installation piece 2 is provided with corresponding fixed protruding edge 1001, fixed protruding edge 1001 is located the front side of installation riser 102, the rear side integrated into one piece of work piece installation piece 2 is equipped with the corresponding mounting platform 202 of round outwards, the rear end face butt of mounting platform 202 is in on the fixed protruding edge 1001 of position sleeve 10.
The middle part of the fixing screw rod 12 is provided with a corresponding internal thread hole, the sleeve locking part 6 adopts a locking screw rod, the rod end part of the sleeve locking part 6 is locked on the internal thread hole of the fixing screw rod 12, and the head part of the sleeve locking part 6 is tightly pressed on the outer side of the rubber pressing sleeve 5.
Be latticed evenly on the head surface of sleeve retaining member 6 and be equipped with corresponding anti-skidding groove, make its accessible manual direct screwing, operate more swiftly.
A corresponding rotating shaft element 13 is fixedly connected to the outer part of the rotating disc 11, and the rotating shaft element 13 is fixedly connected to the outer part of the rotating disc 11 in a threaded connection mode.
A corresponding guide post 14 is transversely and fixedly connected to one side of the top of the mounting vertical plate 102, a corresponding sliding guide sleeve 15 is movably mounted on the guide post 14, a corresponding dial indicator fixing frame 16 is fixedly connected to one side, facing the workpiece mounting block 2, of the sliding guide sleeve 15, and the dial indicator 7 is fixedly mounted on the dial indicator fixing frame 16.
And a stroke limiting block 17 for limiting the stroke of the sliding guide sleeve 15 is fixedly connected to the outer side of the guide post 14.
During measurement, the dial indicator 7 is moved outwards, and then the inner wall of the bearing hole of the workpiece 9 is sleeved on the workpiece mounting block 2; then, screwing the sleeve locking part 6 to effectively move the rubber pressing sleeve 5 inwards to form axial compression on the expansion silica gel ring 4, and forming adaptive convex deformation in the radial direction along with the axial compression of the expansion silica gel ring 4, so that the abutting part 302 is effectively driven to move outwards to form abutting on the inner wall of the bearing hole of the workpiece 9; then, the dial indicator 7 is moved inwards, the measuring head of the dial indicator is abutted against the outer wall of the workpiece 9, the workpiece 9 is driven to rotate through the rotation of the workpiece mounting block 2, and the jumping size of the workpiece can be measured through the dial indicator.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a utensil is examined to belt pulley is beated which characterized in that: comprises that
A mounting seat (1);
the workpiece mounting block (2) is rotatably mounted on the mounting base (1), and a corresponding mounting hole (201) is formed in the middle of the workpiece mounting block;
the abutting mechanism (3) comprises a plurality of groups of fixing holes (301) which are radially arranged on the workpiece mounting block (2), and corresponding abutting pieces (302) are respectively movably arranged on the fixing holes (301);
the installation hole (201) is provided with a corresponding sleeving groove at a position corresponding to the fixing hole, the expansion silica gel ring (4) is sleeved in the sleeving groove, and the inner end parts of the abutting parts (302) abut against the expansion silica gel ring (4) respectively;
the glue pressing sleeve (5) is movably arranged between the mounting hole (201) and the inner side wall of the expansion silica gel ring (4), and a sleeve convex edge (501) for axially pressing the expansion silica gel ring (4) is arranged on the outer side of the glue pressing sleeve (5);
the sleeve locking piece (6) is used for fixedly locking the glue pressing sleeve (5);
and the dial indicator (7) is arranged on the periphery of the workpiece mounting block (2), and a measuring head of the dial indicator (7) is over against the side wall of the workpiece mounting block (2).
2. The pulley run-out gauge according to claim 1, wherein: the butt mechanism (3) contain radially set up in six groups of fixed orificess (301) on the work piece installation piece (2), every group of fixed orifices (301) are two, a corresponding O type retainer plate (8) has been cup jointed in the outside of work piece installation piece (2), O type retainer plate (8) are arranged in between two fixed orificess (301) of every group to install in butt piece (302) in fixed orifices (301) form spacingly.
3. The pulley run-out gauge according to claim 2, wherein: the abutting piece (302) is composed of two metal balls arranged in a high-low mode, the top of the metal ball positioned on the upper portion abuts against the inner side wall of the workpiece (9), and the bottom of the metal ball positioned on the lower portion abuts against the expansion silica gel ring (4).
4. The pulley run-out gauge according to claim 1, wherein: the mounting seat (1) is composed of a base plate (101) and a mounting vertical plate (102) vertically mounted on the base plate (101), and the workpiece mounting block (2) is rotatably mounted on the mounting vertical plate (102).
5. The pulley run-out gauge according to claim 4, wherein: the mounting vertical plate (102) is rotatably provided with a corresponding positioning sleeve (10) through a bearing, the rear end part of the workpiece mounting block (2) is arranged at the front end of the positioning sleeve (10), the rear end part of the positioning sleeve (10) is provided with a corresponding rotating disc (11), and the rotating disc (11) and the workpiece mounting block (2) are fixedly connected through a corresponding fixing screw rod (12).
6. The pulley run-out gauge according to claim 5, wherein: the one end that position sleeve (10) are connected with work piece installation piece (2) is provided with corresponding fixed protruding edge (1001), fixed protruding edge (1001) is located the front side of installation riser (102), the rear side integrated into one piece of work piece installation piece (2) is equipped with corresponding mounting platform (202) of round outward, the rear end face butt of mounting platform (202) is in on the fixed protruding edge (1001) of position sleeve (10).
7. The pulley run-out gauge according to claim 5, wherein: the middle part of clamping screw (12) is equipped with corresponding internal thread hole, sleeve retaining member (6) adopt locking screw, and the rod end portion of sleeve retaining member (6) locks to on the internal thread hole of clamping screw (12), the head of sleeve retaining member (6) compresses tightly the outside of moulding sleeve (5).
8. The pulley run-out gauge according to claim 5, wherein: and a corresponding rotating shaft piece (13) is fixedly connected to the outer part of the rotating disc (11), and the rotating shaft piece (13) is fixedly connected to the outer part of the rotating disc (11) in a threaded connection mode.
9. The pulley run-out gauge according to claim 4, wherein: one side of the top of the mounting vertical plate (102) is transversely and fixedly connected with a corresponding guide post (14), the guide post (14) is movably provided with a corresponding sliding guide sleeve (15), one side of the sliding guide sleeve (15) facing the workpiece mounting block (2) is fixedly connected with a corresponding dial indicator fixing frame (16), and the dial indicator (7) is fixedly arranged on the dial indicator fixing frame (16).
10. The pulley run-out gauge according to claim 9, wherein: and a stroke limiting block (17) for limiting the stroke of the sliding guide sleeve (15) is fixedly connected to the outer side of the guide post (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092093.7U CN214537666U (en) | 2021-05-20 | 2021-05-20 | Belt pulley runout testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092093.7U CN214537666U (en) | 2021-05-20 | 2021-05-20 | Belt pulley runout testing fixture |
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| Publication Number | Publication Date |
|---|---|
| CN214537666U true CN214537666U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121092093.7U Active CN214537666U (en) | 2021-05-20 | 2021-05-20 | Belt pulley runout testing fixture |
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| Country | Link |
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| CN (1) | CN214537666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251892A (en) * | 2021-05-20 | 2021-08-13 | 福建威而特旋压科技有限公司 | High-precision belt pulley runout testing fixture |
-
2021
- 2021-05-20 CN CN202121092093.7U patent/CN214537666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251892A (en) * | 2021-05-20 | 2021-08-13 | 福建威而特旋压科技有限公司 | High-precision belt pulley runout testing fixture |
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