CN220312607U - Frock is used in turning of belt pulley inner wall - Google Patents
Frock is used in turning of belt pulley inner wall Download PDFInfo
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- CN220312607U CN220312607U CN202320138658.3U CN202320138658U CN220312607U CN 220312607 U CN220312607 U CN 220312607U CN 202320138658 U CN202320138658 U CN 202320138658U CN 220312607 U CN220312607 U CN 220312607U
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- 238000003825 pressing Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 68
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000006978 adaptation Effects 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000007373 indentation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a tool for turning the inner wall of a belt pulley, which comprises a mounting base and a workpiece mounting mechanism, wherein the mounting base is fixedly arranged on a lathe and is pivoted on the lathe; the workpiece locking piece is arranged in a cylindrical shape and made of rubber materials, the workpiece locking piece is detachably sleeved in a workpiece embedding groove of the workpiece limiting block, and the outer end part of the workpiece locking piece extends to the outer side of the workpiece embedding groove; and the pressing plate is driven by a corresponding telescopic driving mechanism, a communication hole is formed in the middle of the pressing plate, and when the pressing plate moves inwards to be propped against the outer end part of the workpiece, the workpiece locking piece is compressed inwards and is expanded to be propped against the outer side wall of the workpiece. The utility model can effectively improve the clamping stability of the workpiece and effectively disperse the clamping stress of the workpiece in the turning process.
Description
Technical Field
The utility model relates to a tool for turning the inner wall of a belt pulley, which can effectively clamp the end part of a belt pulley workpiece and fix the outer end surface of the belt pulley workpiece without damage, so that the stable clamping of the workpiece is realized on the premise of excessively damaging the surface of the workpiece.
Background
When the traditional thin-wall belt pulley is used for finish turning of an inner hole, a pull rod rotary tool is adopted to axially pull and press a workpiece, and then turning is carried out. Because the thin-wall belt pulley is extremely sensitive to clamping pressure, when the clamping pressure is large, the end face of a workpiece is easy to generate indentation, clamping stress is easy to generate, and the roundness of an inner hole of the turned belt pulley is out of tolerance; when the clamping pressure is smaller, the oil pump is low in flow speed, the clamping speed is low, the stroke of the pull rod rotating shaft is large, the clamping time is prolonged, and the production efficiency is reduced. Therefore, the belt pulley turning tool capable of effectively reducing the positive pressure on the end face of the workpiece and reducing the clamping stress is put into use.
The technical scheme disclosed by the utility model patent ' a thin-wall belt pulley turning tool ' disclosed in patent number CN202020389257.1 ' is as follows: the clamping device is characterized in that the clamping plate with the through hole for the turning tool to pass through is driven by the telescopic driving mechanism to move back and forth, the whole outer end face of the workpiece is effectively clamped under the action of the clamping plate with the through hole in the center, the clamping process is convenient and fast, the front end face of the workpiece after clamping is directly contacted with the clamping plate in a large area, and therefore the positive pressure on the end face of the workpiece and the clamping stress can be effectively reduced on the premise of ensuring the clamping efficiency, and the deformation of the indentation and the workpiece can be effectively reduced. The clamping stability of the workpiece is completely dependent on the compression of the front end face of the workpiece by the pressing plate, so that the workpiece in the turning process has the problem of insufficient stability, and the problem of concentrated clamping stress, so that the problem of out-of-tolerance roundness of the inner hole of the turned belt pulley is also caused.
Therefore, the tool for turning the inner wall of the belt pulley is designed to effectively increase the clamping position and clamping force of a workpiece, so that the clamping stability of the workpiece is effectively improved, and the clamping stress of the workpiece in the turning process is effectively dispersed, and the technical problem that the roundness of the inner hole of the belt pulley after turning is out of tolerance is practically solved.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a tool for turning the inner wall of a belt pulley, which can effectively solve the technical problems in the prior art.
The technical scheme of the utility model is as follows:
the utility model provides a frock is used in turning of belt pulley inner wall, includes fixing device in the lathe changeing the installation base of drawing, and fixed set up in work piece installation mechanism on the installation base, work piece installation mechanism includes
The inner end part of the workpiece limiting block is fixedly arranged on the outer end surface of the mounting base, and the outer end part of the workpiece limiting block is concavely provided with a corresponding workpiece embedding groove;
the workpiece locking piece is in a cylindrical shape and is made of rubber materials, the workpiece locking piece is detachably sleeved in a workpiece embedding groove of the workpiece limiting block, and the outer end part of the workpiece locking piece extends to the outer side of the workpiece embedding groove of the workpiece limiting block;
the compressing plate is driven by a corresponding telescopic driving mechanism, a communication hole with the aperture not smaller than the inner diameter of the workpiece is arranged in the middle of the compressing plate, and when the compressing plate moves inwards to be propped against the outer end part of the workpiece, the workpiece locking piece is compressed inwards and is expanded to be propped against the outer side wall of the workpiece.
The inner side fixing device of the installation base is provided with a corresponding connecting disc, and the installation base is fixedly installed on the lathe rotary pump through the connecting disc.
The two sides of the mounting base are movably provided with a mounting pull rod and a locking pull rod, the inner sides of the mounting pull rod and the locking pull rod are synchronously driven by the telescopic driving mechanism, one side of the compacting plate is rotatably mounted on the outer side of the mounting pull rod, and the other side of the compacting plate is detachably arranged on the locking pull rod.
The outside of installation pull rod can be dismantled and be connected with corresponding installation minor axis, be provided with on the pressure strip with the mounting hole of installation minor axis looks adaptation, through the installation minor axis with the mounting hole cooperation of pressure strip will the pressure strip rotates to be installed on the installation pull rod.
The installation minor axis is not connected in two parts of clamp plate and spacing for the one end integration that installs the pull rod, the installation minor axis passes through threaded connection mode detachable connection to install on the pull rod.
The telescopic driving mechanism comprises a transmission block fixedly connected to the inner ends of the installation pull rod and the locking pull rod, and the middle part of the transmission block is fixedly connected with a transmission pull rod which extends to the outer side of the connecting disc in a backward and fixedly connected mode.
The inner ends of the installation pull rod and the locking pull rod are respectively provided with a corresponding guide hole, the installation base is provided with a corresponding fixing hole at a position corresponding to the guide hole, a corresponding locking piece is locked on the transmission block through the fixing hole and the guide hole, the inner end of the locking piece is fixed on the transmission block in a threaded connection mode, and the outer ends of the locking piece are fixedly limited in the guide holes of the installation pull rod and the locking pull rod.
The transmission block is fixedly connected with the transmission pull rod through a corresponding transmission pin shaft.
The mounting base and the connecting disc and the workpiece limiting block and the mounting base are fixedly connected through bolts.
The workpiece limiting block is characterized in that a circle of corresponding installation protruding edges are outwards formed in an integrated mode on the outer side of the inner end portion of the workpiece limiting block, a clamping groove matched with the inner end portion of the workpiece limiting block is formed in the outer end face of the installation base, the inner end portion of the workpiece limiting block is fixedly arranged in the clamping groove, and the installation protruding edges are fixedly connected to the installation base in a bolt connection mode.
The utility model has the advantages that:
1) The workpiece mounting mechanism is further additionally provided with the workpiece locking piece on the basis of the original workpiece limiting block, wherein the workpiece locking piece is in a cylindrical shape and made of rubber materials, is detachably sleeved in the workpiece embedding groove of the workpiece limiting block, and the outer end part of the workpiece locking piece extends to the outer side of the workpiece embedding groove of the workpiece limiting block.
In the process of fixing the workpiece, firstly, embedding the workpiece into a workpiece locking piece; then, the pressing plate is driven by a corresponding telescopic driving mechanism, so that the pressing plate moves inwards to be propped against the outer end part of the workpiece, and the pressing plate is effectively pressed on the whole outer end surface of the workpiece in an axial direction, so that clamping is finished; in the process, the workpiece locking piece is compressed inwards and is expanded to be abutted to the outer side wall of the workpiece, so that flexible cladding shrinkage is formed on the outer surface of the workpiece effectively, the clamping position and clamping force of the workpiece are increased effectively, the clamping force is dispersed, the clamping stability of the workpiece is improved effectively, the clamping stress of the workpiece in the turning process is dispersed effectively, and the problem that the roundness of an inner hole of a turned belt pulley is out of tolerance is solved practically.
2) The utility model has the technical effect of high adaptability, namely, when the belt pulleys with different diameter specifications are met, the workpiece locking pieces with different thicknesses can be directly replaced so as to adapt to the belt pulleys with different inner diameter specifications; meanwhile, the mounting short shaft is detached, so that the compaction plates with the communication holes with different apertures can be replaced, and the turning feeding paths of the turning tool when the turning tool is used for processing workpieces with different specifications can be adapted, and the adaptability of the utility model is effectively improved.
3) The utility model also has the advantages of simple structure, low cost and high controllability.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
Fig. 4 is a use state diagram of the present utility model.
Detailed Description
For the convenience of understanding by those skilled in the art, the structure of the present utility model will now be described in further detail with reference to the accompanying drawings:
referring to fig. 1-4, a tooling for turning inner walls of belt pulleys comprises a mounting base 1 fixedly arranged on a turning shaft of a lathe and a workpiece mounting mechanism 2 fixedly arranged on the mounting base 1, wherein the workpiece mounting mechanism 2 comprises
The workpiece limiting block 201, wherein the inner end part of the workpiece limiting block 201 is fixedly arranged on the outer end surface of the mounting base 1, and the outer end part of the workpiece limiting block 201 is concavely provided with a corresponding workpiece embedding groove;
the workpiece locking piece 202 is in a cylindrical shape, the workpiece locking piece 202 is made of rubber materials, the workpiece locking piece 202 is detachably sleeved in a workpiece embedding groove of the workpiece limiting block 201, and the outer end part of the workpiece locking piece 202 extends to the outer side of the workpiece embedding groove of the workpiece limiting block 201;
the pressing plate 203 is driven by the corresponding telescopic driving mechanism 3, a communication hole 5 with the aperture not smaller than the inner diameter of the workpiece 4 is arranged in the middle of the pressing plate 203, and when the pressing plate 203 moves inwards to abut against the outer end part of the workpiece 4, the workpiece locking piece 202 is compressed inwards and expands to abut against the outer side wall of the workpiece 4.
The inner side fixing device of the installation base 1 is provided with a corresponding connecting disc 6, and the installation base 1 is fixedly installed on a lathe through the connecting disc 6.
The two sides of the installation base 1 are movably provided with an installation pull rod 7 and a locking pull rod 8, the inner sides of the installation pull rod 7 and the locking pull rod 8 are synchronously driven by the telescopic driving mechanism 3, one side of the pressing plate 203 is rotatably installed on the outer side of the installation pull rod 7, and the other side of the pressing plate 203 is detachably arranged on the locking pull rod 8.
In this embodiment, the end of the locking pull rod 8 is provided with a corresponding clamping groove, the other side of the pressing plate 203 is provided with a clamping opening adapted to the clamping groove, and the other side of the pressing plate 203 is detachably mounted on the locking pull rod 8 through the cooperation of the clamping opening and the clamping groove.
The outside of installation pull rod 7 can be dismantled and is connected with corresponding installation minor axis 9, be provided with on the pressure strip 203 with the mounting hole of installation minor axis 9 looks adaptation, through installation minor axis 9 with the mounting hole cooperation of pressure strip 203 will pressure strip 203 rotates and installs on the installation pull rod 7.
The installation minor axis 9 is not connected in the one end integration that installs pull rod 7 is provided with two parts of clamp plate 901 for limiting of clamp plate 203, installation minor axis 9 is through threaded connection mode detachable connection to install pull rod 7.
The installation base 1 is provided with corresponding fixed slot 101 towards one side of connection pad 6, the inner end of installation pull rod 7 and closure pull rod 8 respectively extends to in the fixed slot 101, flexible actuating mechanism 3 include fixed connection in the transmission piece 301 of the inner end of installation pull rod 7 and closure pull rod 8, the middle part backward fixedly connected with of transmission piece 301 is consistently extended to the transmission pull rod 302 in the connection pad 6 outside.
The inner ends of the installation pull rod 7 and the locking pull rod 8 are respectively provided with a corresponding guide hole, the installation base 1 is provided with a corresponding fixing hole 102 at a position corresponding to the guide hole, a corresponding locking piece 11 is locked on the transmission block 301 through the fixing hole 102 and the guide hole, the inner end of the locking piece 11 is fixed on the transmission block 301 in a threaded connection mode, and the outer ends of the locking pieces 11 are fixedly limited in the guide holes of the installation pull rod 7 and the locking pull rod 8.
The transmission block 301 and the transmission pull rod 302 are fixedly connected through the corresponding transmission pin shaft 10.
The mounting base 1 and the connecting disc 6 and the workpiece limiting block 201 and the mounting base 1 are fixedly connected with each other in a bolt connection mode.
The outer integrated molding of the inner end of the work piece limiting block 201 outwards is provided with a circle of corresponding installation convex edge 12, the outer end face of the installation base 1 is provided with a clamping groove matched with the inner end of the work piece limiting block 201, the inner end of the work piece limiting block 201 is fixedly arranged in the clamping groove, and the installation convex edge 12 is fixedly connected to the installation base in a bolt connection mode.
The specific process for clamping the workpiece is as follows:
1) Before clamping the workpiece 4, the pressing plate 203 is not clamped on the locking pull rod 8;
2) The workpiece 4 is fixedly placed in a workpiece locking piece 202 which is arranged in a cylindrical shape, then, the pressing plate 203 is swung to enable a clamping opening of the pressing plate to be matched with a clamping groove of the locking pull rod 8, and the other side of the pressing plate 203 is detachably arranged on the locking pull rod 8;
3) The clamping operation is started, the transmission pull rod 302 is driven to move inwards through an external hydraulic driving system, so that the transmission block 301 is driven to move inwards, the locking pull rod 8 and the mounting pull rod 7 are pulled by the transmission block 301 to synchronously generate the moving inwards, and the pressing plate 203 is driven to axially press a workpiece, so that the clamping is completed;
at this point, the workpiece lock 202 is compressed inwardly and expands against the outer sidewall of the workpiece 4, effectively forming a flexible wrap-around constriction of the outer surface of the workpiece 4.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The utility model provides a frock is used in turning of belt pulley inner wall, includes fixing device change installation base (1) of drawing on in the lathe and fixed set up in work piece installation mechanism (2) on installation base (1), its characterized in that: the workpiece mounting mechanism (2) comprises
The workpiece limiting block (201), the inner end part of the workpiece limiting block (201) is fixedly arranged on the outer end surface of the mounting base (1), and the outer end part of the workpiece limiting block (201) is concavely provided with a corresponding workpiece embedding groove;
the workpiece locking piece (202) is arranged in a cylindrical shape, the workpiece locking piece (202) is made of rubber materials, the workpiece locking piece (202) is detachably sleeved in a workpiece embedding groove of the workpiece limiting block (201), and the outer end part of the workpiece locking piece (202) extends to the outer side of the workpiece embedding groove of the workpiece limiting block (201);
the pressing plate (203) is driven by a corresponding telescopic driving mechanism (3), a communication hole (5) with the aperture not smaller than the inner diameter of the workpiece (4) is arranged in the middle of the pressing plate (203), and when the pressing plate (203) moves inwards to be abutted against the outer end part of the workpiece (4), the workpiece locking piece (202) is compressed inwards and is expanded to be abutted against the outer side wall of the workpiece (4).
2. The tooling for turning the inner wall of the belt pulley according to claim 1, wherein: the inner side fixing device of the mounting base (1) is provided with a corresponding connecting disc (6), and the mounting base (1) is fixedly mounted on a lathe rotary pump through the connecting disc (6).
3. The tooling for turning the inner wall of the belt pulley according to claim 2, wherein: the two sides of the installation base (1) are movably provided with an installation pull rod (7) and a locking pull rod (8), the inner sides of the installation pull rod (7) and the locking pull rod (8) are synchronously driven by the telescopic driving mechanism (3), one side of the pressing plate (203) is rotatably installed on the outer side of the installation pull rod (7), and the other side of the pressing plate (203) is detachably arranged on the locking pull rod (8).
4. A tooling for turning an inner wall of a belt pulley according to claim 3, wherein: the outside of installation pull rod (7) can be dismantled and be connected with corresponding installation minor axis (9), be provided with on gland plate (203) with installation minor axis (9) looks adaptation's mounting hole, through installation minor axis (9) with gland plate (203) mounting hole cooperation will gland plate (203) are rotated and are installed on installation pull rod (7).
5. The tooling for turning the inner wall of the belt pulley as claimed in claim 4, wherein: the installation short shaft (9) is not connected with two parts of clamping plates (901) for limiting the pressing plate (203) at one end of the installation pull rod (7) in an integrated mode, and the installation short shaft (9) is detachably connected to the installation pull rod (7) in a threaded connection mode.
6. A tooling for turning an inner wall of a belt pulley according to claim 3, wherein: the telescopic driving mechanism comprises a transmission block (301) fixedly connected to the inner ends of the installation pull rod (7) and the locking pull rod (8), and the middle part of the transmission block (301) is fixedly connected with a transmission pull rod (302) which extends to the outer side of the connecting disc (6) in a backward mode.
7. The tooling for turning the inner wall of the belt pulley as claimed in claim 6, wherein: the inner ends of the installation pull rod (7) and the locking pull rod (8) are respectively provided with a corresponding guide hole, the installation base (1) is provided with a corresponding fixing hole (102) at a position corresponding to the guide hole, a corresponding locking piece (11) is locked on the transmission block (301) through the fixing hole (102) and the guide hole, the inner end of the locking piece (11) is fixed on the transmission block (301) in a threaded connection mode, and the outer ends of the locking piece (11) are fixedly limited in the guide holes of the installation pull rod (7) and the locking pull rod (8).
8. The tooling for turning the inner wall of the belt pulley as claimed in claim 7, wherein: the transmission block (301) and the transmission pull rod (302) are fixedly connected through a corresponding transmission pin shaft (10).
9. The tooling for turning the inner wall of the belt pulley according to claim 2, wherein: the mounting base (1) and the connecting disc (6) and the workpiece limiting block (201) and the mounting base (1) are fixedly connected through bolts.
10. The tooling for turning the inner wall of the belt pulley as claimed in claim 9, wherein: the workpiece limiting block is characterized in that a circle of corresponding installation convex edge (12) is outwards arranged on the outer side of the inner end part of the workpiece limiting block (201) in an integrated mode, a clamping groove matched with the inner end part of the workpiece limiting block (201) is formed in the outer end face of the installation base (1), the inner end part of the workpiece limiting block (201) is fixedly arranged in the clamping groove, and the installation convex edge (12) is fixedly connected to the installation base in a bolt connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320138658.3U CN220312607U (en) | 2023-01-15 | 2023-01-15 | Frock is used in turning of belt pulley inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320138658.3U CN220312607U (en) | 2023-01-15 | 2023-01-15 | Frock is used in turning of belt pulley inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220312607U true CN220312607U (en) | 2024-01-09 |
Family
ID=89423863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320138658.3U Active CN220312607U (en) | 2023-01-15 | 2023-01-15 | Frock is used in turning of belt pulley inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220312607U (en) |
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2023
- 2023-01-15 CN CN202320138658.3U patent/CN220312607U/en active Active
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