CN210678057U - Centerless grinding machine with trimming mechanism - Google Patents
Centerless grinding machine with trimming mechanism Download PDFInfo
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- CN210678057U CN210678057U CN201921446823.1U CN201921446823U CN210678057U CN 210678057 U CN210678057 U CN 210678057U CN 201921446823 U CN201921446823 U CN 201921446823U CN 210678057 U CN210678057 U CN 210678057U
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- trimming
- guide wheel
- lead screw
- frame
- wheel
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Abstract
The utility model relates to a gun drill production field especially relates to a centerless grinder with trimming mechanism, it includes dull polish mechanism, guide pulley mechanism, bearing mechanism and trimming mechanism, dull polish mechanism includes the emery wheel frame, emery wheel motor and emery wheel, guide pulley mechanism includes the guide pulley support frame, guide pulley frame and guide pulley, install horizontal lead screw on the guide pulley support frame, install the guide pulley lead screw on the guide pulley frame, bearing mechanism includes bearing bracket and bearing board, bearing bracket connecting plate and horizontal screw connection, bearing board is inserted and is put in the bearing groove, trimming mechanism includes the slide rail, the trimming frame, vertically repair lead screw and trimming piece, on the trimming frame slide rail, vertically repair the internal thread hole that the lead screw passed the trimming frame, trimming piece be the arc and with the guide pulley phase-match, trimming piece passes through the connecting rod and dresses the frame dress with the trimming. The utility model provides a pair of centerless grinder gun drill with maintain mechanism need not the installation centering, is convenient for just can be automatically maintain the guide pulley on line according to the adjustment of gun drill diameter size.
Description
Technical Field
The utility model relates to a gun drill production technical field especially relates to a centerless grinder with maintain mechanism.
Background
The gun drill is an efficient cutting gun drill for deep hole machining and widely used in machining, the outer circle of the gun drill is frequently required to be ground during production and machining of the gun drill, the gun drill is required to be fixedly mounted on a clamp and centered by a traditional grinding machine tool and then ground through a grinding wheel, the installation and the disassembly of the gun drill of the centerless grinding machine with the trimming mechanism are time-consuming and labor-consuming, the position adjustment of the gun drill relative to a grinding wheel is troublesome, and meanwhile, after a guide wheel works for a period of time, deformation or surface unevenness is generated due to friction, so that the machining of the gun drill is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a gun drill need not the installation centering, be convenient for adjust and can be automatic to the centerless grinder with mechanism of maintaining of guide pulley online maintenance according to gun drill diameter size.
The utility model discloses a realize through following technical scheme:
a centerless grinding machine with a dressing mechanism comprises a grinding mechanism, a guide wheel mechanism, a bearing mechanism and a dressing mechanism, wherein the grinding mechanism comprises a grinding wheel rack, a grinding wheel motor fixedly installed on the grinding wheel rack and a grinding wheel driven to rotate by the grinding wheel motor, the guide wheel mechanism comprises a guide wheel support frame, a guide wheel frame and a guide wheel, a transverse lead screw is installed on the guide wheel support frame, the guide wheel frame is connected with the transverse lead screw through a nut sleeve sleeved on the transverse lead screw, a transverse lead screw hand wheel is installed at the end part of the transverse lead screw, a guide wheel lead screw is installed on the guide wheel frame, a guide wheel nut sleeve is sleeved on the guide wheel lead screw, a guide wheel lead screw hand wheel is installed at the end part of the guide wheel lead screw, the guide wheel is rotatably installed on the guide wheel nut sleeve, the bearing mechanism comprises a bearing bracket and a bearing, the trimming mechanism comprises a sliding rail, a trimming frame, a longitudinal trimming lead screw and trimming pieces, wherein the sliding rail, the trimming frame, the longitudinal trimming lead screw and the trimming pieces are fixedly mounted above the guide wheel frame, the trimming frame is mounted on the sliding rail through a sliding block, the trimming frame is provided with a longitudinal internal threaded hole, the longitudinal trimming lead screw fixedly mounted on the sliding rail penetrates through the internal threaded hole of the trimming frame and is driven to rotate by a longitudinal trimming lead screw motor, the trimming pieces are arc-shaped and are matched with the guide wheel, the trimming pieces are hinged with the trimming frame through connecting rods, and the connecting rods are driven to rotate by cylinders.
Furthermore, a gasket is arranged in the slot.
Furthermore, the top of the bearing plate is an inclined surface.
Further, a synchronizing wheel is installed at the end part of the longitudinal trimming screw rod, and the synchronizing wheel is driven by a longitudinal trimming screw rod motor through a synchronizing belt.
Beneficial effects of the utility model
A centerless grinder with a trimming mechanism is characterized in that when a gun drill grinds an excircle, only a transverse lead screw hand wheel needs to be rotated, a guide wheel frame and a support bracket simultaneously slide along a transverse lead screw, the positions of a support plate and a guide wheel relative to a grinding wheel are adjusted, the support plate is enabled to be tightly attached to the grinding wheel, then a guide wheel lead screw hand wheel is rotated, the guide wheel slides along a guide wheel lead screw, the positions of the guide wheel relative to the grinding wheel and the support plate are further adjusted, then the gun drill to be ground is placed in a gap between the grinding wheel and the guide wheel, the support plate has a supporting effect on the gun drill and is prevented from falling from the gap between the grinding wheel and the guide wheel, a grinding wheel motor drives the grinding wheel to rotate, the guide wheel and the gun drill to be ground are driven to rotate, the gun drill is ground, the gun drill does not need to be installed and does not need to be centered, can be adjusted freely according to the diameter of the gun drill and the size of the grinding quantity required.
The bearing mechanism comprises a bearing bracket and a bearing plate, the bearing bracket comprises a connecting plate at the bottom and two bearing slots fixedly arranged at the top of the connecting plate, the two bearing slots are respectively positioned at the inner side and the outer side of the grinding wheel and the guide wheel, the bearing plate is convenient to mount, and the grinding wheel and the guide wheel can be abducted at the position between the two bearing slots, so that the grinding operation is convenient.
After the guide wheel runs for a period of time, if the guide wheel deforms or the surface is uneven due to friction, the air cylinder is started to enable the trimming sheet to be in contact with the guide wheel, then the longitudinal trimming lead screw motor is started to drive the longitudinal trimming lead screw to rotate, so that the trimming sheet reciprocates along the guide wheel, the trimming is achieved while the guide wheel is machined, and the production efficiency is further improved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
in the figure, 1, a grinding wheel rack, 2, a grinding wheel, 3, a guide wheel support frame, 4, a transverse lead screw hand wheel, 5, a transverse lead screw, 6, a guide wheel lead screw hand wheel, 7, a guide wheel frame, 8, a guide wheel, 9, a guide wheel lead screw, 10, a bearing plate, 11, a socket groove, 12, a gasket, 13, a connecting plate, 14, a guide wheel nut sleeve, 15, a sliding rail, 16, a synchronous wheel, 17, a longitudinal trimming lead screw motor, 18, a synchronous belt, 19, a trimming frame, 20, a longitudinal trimming lead screw, 21, an air cylinder, 22, a connecting rod and 23, and a trimming sheet are arranged.
Detailed Description
The utility model provides a centerless grinder with trimming mechanism, its includes dull polish mechanism, guide pulley mechanism, bearing mechanism and trimming mechanism, dull polish mechanism includes emery wheel frame 1, the emery wheel motor (not shown) of fixed mounting in the emery wheel frame and by emery wheel motor drive rotatory emery wheel 2, guide pulley mechanism includes guide pulley support frame 3, guide pulley frame 7 and guide pulley 8, install horizontal lead screw 5 on the guide pulley support frame, the guide pulley frame is connected with horizontal lead screw through the nut cover of suit on horizontal lead screw, and horizontal lead screw hand wheel 4 is installed to the tip of horizontal lead screw, and rotatory horizontal lead screw hand wheel can drive guide pulley frame and support bracket and remove along horizontal lead screw together to adjust the distance between the two and the emery wheel.
The guide wheel frame is provided with a guide wheel screw 9, the guide wheel screw is sleeved with a guide wheel nut sleeve 14, the end part of the guide wheel screw is provided with a guide wheel screw hand wheel 6, the guide wheel is rotatably arranged on the guide wheel nut sleeve, and the guide wheel screw hand wheel is rotated to drive the guide wheel to move along the guide wheel screw, so that the distance between the guide wheel and the grinding wheel is adjusted.
The bearing mechanism comprises a bearing bracket and a bearing plate 10, the bearing bracket comprises a connecting plate 13 at the bottom and two bearing slots 11 fixedly installed at the top of the connecting plate, the connecting plate and the two bearing slots can be fixedly connected through bolts and can also be welded or integrally formed, the connecting plate is connected with a transverse screw through a nut sleeve sleeved on the transverse screw, the two bearing slots are respectively located on the inner side and the outer side of a grinding wheel and a guide wheel, the guide wheel and the grinding wheel are conveniently formed in the middle of the two bearing slots to yield, the bearing plate is inserted into the bearing slots, and the bearing plate is located in a gap between the grinding wheel and the guide wheel to lift a grinding gun drill.
The trimming mechanism comprises a sliding rail 15 fixedly mounted above a guide wheel frame, a trimming frame 19, a longitudinal trimming screw 20 and a trimming sheet 23, the trimming frame is mounted on the sliding rail through a sliding block, the trimming frame is provided with a longitudinal internal threaded hole, the longitudinal trimming screw fixedly mounted on the sliding rail penetrates through the internal threaded hole of the trimming frame and is driven to rotate by a longitudinal trimming screw motor, the trimming sheet is arc-shaped and is matched with a guide wheel, the trimming sheet is hinged with the trimming frame through a connecting rod 22, the connecting rod is driven to rotate by an air cylinder 21, when the guide wheel deforms or has an uneven surface due to friction, the air cylinder is started to enable the trimming sheet to be in contact with the guide wheel, then the longitudinal trimming screw motor is started to drive the longitudinal trimming screw motor to rotate, so that the trimming sheet reciprocates along the guide wheel, and the guide wheel.
Furthermore, the gaskets 12 are arranged in the slots, and the number and the thickness of the gaskets can be adjusted according to needs, so that the height of the bearing plate can be adjusted.
Furthermore, the top of the supporting plate is an inclined surface, so that the gun drill to be ground is conveniently lifted and forms certain clamping, and the gun drill to be ground is prevented from jumping randomly.
The end of the longitudinal trimming screw is provided with a synchronizing wheel 16 which is driven by a longitudinal trimming screw motor 17 through a synchronizing belt 18, so that the moving speed of the trimming sheet along the guide wheel can be controlled more conveniently.
When the gun drill grinds the outer circle, only the transverse lead screw hand wheel needs to be rotated, the guide wheel frame and the support bracket slide along the transverse lead screw at the same time, the positions of the support plate and the guide wheel relative to the grinding wheel are adjusted, the support plate is enabled to be tightly attached to the grinding wheel, then the guide wheel lead screw hand wheel is rotated to lead the guide wheel to slide along the guide wheel lead screw, the position of the guide wheel relative to the grinding wheel and the bearing plate is further adjusted, then the gun drill to be ground is placed in the gap between the grinding wheel and the guide wheel, the bearing plate plays a role in bearing the gun drill to prevent the gun drill from falling from the gap between the grinding wheel and the guide wheel, the grinding wheel motor drives the grinding wheel to rotate so as to drive the guide wheel and the gun drill to be ground to rotate, the gun drill is ground without installation or centering, so that the gun drill is time-saving and labor-saving, has high processing efficiency, and the position adjustment of the guide wheel and the supporting plate relative to the grinding wheel is very convenient, and the adjusting device can be adjusted at will according to the diameter of the gun drill and the size of the grinding quantity required.
The bearing mechanism comprises a bearing bracket and a bearing plate, the bearing bracket comprises a connecting plate at the bottom and two bearing slots fixedly arranged at the top of the connecting plate, the two bearing slots are respectively positioned at the inner side and the outer side of the grinding wheel and the guide wheel, the bearing plate is convenient to mount, and the grinding wheel and the guide wheel can be abducted at the position between the two bearing slots, so that the grinding operation is convenient.
After the guide wheel mechanism operates for a period of time, the guide wheel deforms or has an uneven surface due to friction, the air cylinder is started to enable the trimming sheet to be in contact with the guide wheel, then the longitudinal trimming lead screw motor is started to drive the longitudinal trimming lead screw to rotate, the trimming sheet reciprocates along the guide wheel, the trimming of the guide wheel is achieved while the guide wheel is machined, and the production efficiency is further improved.
To sum up, the utility model discloses a centerless grinder with mechanism is maintained, the gun drill need not to install centering and be convenient for according to gun drill diameter size adjustment to can maintain the guide pulley on line automatically.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A centerless grinding machine with a dressing mechanism is characterized by comprising a grinding mechanism, a guide wheel mechanism, a bearing mechanism and a dressing mechanism, wherein the grinding mechanism comprises a grinding wheel rack, a grinding wheel motor fixedly installed on the grinding wheel rack and a grinding wheel driven to rotate by the grinding wheel motor, the guide wheel mechanism comprises a guide wheel support frame, a guide wheel frame and a guide wheel, a transverse lead screw is installed on the guide wheel support frame, the guide wheel frame is connected with the transverse lead screw through a nut sleeve sleeved on the transverse lead screw, a transverse lead screw hand wheel is installed at the end part of the transverse lead screw, a guide wheel lead screw is installed on the guide wheel frame, a guide wheel nut sleeve is sleeved on the guide wheel lead screw, a guide wheel lead screw hand wheel is installed at the end part of the guide wheel lead screw, the guide wheel is rotatably installed on the guide wheel nut sleeve, the bearing mechanism comprises a bearing bracket and a bearing plate, the trimming mechanism comprises a sliding rail, a trimming frame, a longitudinal trimming lead screw and trimming pieces, wherein the sliding rail, the trimming frame, the longitudinal trimming lead screw and the trimming pieces are fixedly mounted above the guide wheel frame, the trimming frame is mounted on the sliding rail through a sliding block, the trimming frame is provided with a longitudinal internal threaded hole, the longitudinal trimming lead screw fixedly mounted on the sliding rail penetrates through the internal threaded hole of the trimming frame and is driven to rotate by a longitudinal trimming lead screw motor, the trimming pieces are arc-shaped and are matched with the guide wheel, the trimming pieces are hinged with the trimming frame through connecting rods, and the connecting rods are driven to rotate by cylinders.
2. The centerless grinder of claim 1, wherein a shim is mounted in the slot.
3. The centerless grinder of claim 1 wherein the top of the support plate is sloped.
4. The centerless grinder with a dressing mechanism of claim 1, wherein a synchronizing wheel is mounted at the end of the longitudinal dressing screw, said synchronizing wheel being driven by a longitudinal dressing screw motor through a timing belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446823.1U CN210678057U (en) | 2019-09-03 | 2019-09-03 | Centerless grinding machine with trimming mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446823.1U CN210678057U (en) | 2019-09-03 | 2019-09-03 | Centerless grinding machine with trimming mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210678057U true CN210678057U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921446823.1U Active CN210678057U (en) | 2019-09-03 | 2019-09-03 | Centerless grinding machine with trimming mechanism |
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| CN (1) | CN210678057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059752A (en) * | 2020-09-09 | 2020-12-11 | 马鞍山中金超硬材料科技发展有限公司 | Centerless grinding taper workpiece tool clamp and clamping process thereof |
-
2019
- 2019-09-03 CN CN201921446823.1U patent/CN210678057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059752A (en) * | 2020-09-09 | 2020-12-11 | 马鞍山中金超硬材料科技发展有限公司 | Centerless grinding taper workpiece tool clamp and clamping process thereof |
| CN112059752B (en) * | 2020-09-09 | 2021-11-30 | 马鞍山中金超硬材料科技发展有限公司 | Centerless grinding taper workpiece tool clamp and clamping process thereof |
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