CN211277985U - Automatic eccentric centre adjusting clamp with multiple eccentric holes for grinding machine - Google Patents
Automatic eccentric centre adjusting clamp with multiple eccentric holes for grinding machine Download PDFInfo
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- CN211277985U CN211277985U CN201922240869.4U CN201922240869U CN211277985U CN 211277985 U CN211277985 U CN 211277985U CN 201922240869 U CN201922240869 U CN 201922240869U CN 211277985 U CN211277985 U CN 211277985U
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Abstract
The utility model provides an eccentric anchor clamps are transferred automatically to multi-eccentric hole for grinding machine, its intermediate hole, the eccentric hole that can solve above-mentioned work piece add man-hour, need relapse the clamping, technical problem that production efficiency is low. The utility model provides an automatic eccentric centre adjustment anchor clamps of many eccentric orfices for grinding machine which characterized in that: the device comprises a spring diaphragm type clamp, a sliding plate guide mechanism, a sliding plate positioning mechanism, a sliding plate pushing mechanism and a sliding plate fixing mechanism; the spring diaphragm type clamp comprises a clamp body, a diaphragm and a clamping jaw, the clamping jaw is installed on the diaphragm, the diaphragm is installed on the sliding plate, the sliding plate is in guide fit with the clamp body through a sliding plate guide mechanism, a sliding plate pushing mechanism is used for moving the sliding plate to a position point to be machined along the sliding plate guide mechanism and is positioned by a sliding plate positioning mechanism, and a sliding plate fixing mechanism is used for fixing the sliding plate to the position point to be machined with the clamp body. After the clamp is used, automatic grinding machining of the eccentric hole can be completed by once clamping, and production efficiency can be effectively improved.
Description
Technical Field
The utility model relates to an anchor clamps technical field, concretely relates to eccentric centre anchor clamps are transferred automatically to many eccentric orfices for grinding machine.
Background
As shown in FIG. 5, the workpiece 01 has three holes to be ground, wherein the center of the center hole with radius R1 and the center of the side hole with radius R2 are located on the same straight line, i.e. the axes are parallel and located on the same plane, and the center hole and the eccentric hole have an eccentric amount. The traditional processing mode has two types:
1. the excircle of the clamping workpiece or the end face is pressed to grind the middle hole, and then the eccentric hole is ground under the second and third clamping, so that the production efficiency is low;
2. three inner holes are ground on a coordinate grinding machine at one time, and due to the fact that the roundness requirement and the position degree of the inner holes are high, most of the coordinate grinding machines produced in China still have certain difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model provides an eccentric anchor clamps are transferred automatically to multi-eccentric hole for grinding machine, its intermediate hole, the eccentric hole that can solve above-mentioned work piece add man-hour, need relapse the clamping, technical problem that production efficiency is low.
Its technical scheme is such, an automatic eccentric centre adjustment anchor clamps of many eccentric orfices for grinding machine, its special character lies in: the device comprises a spring diaphragm type clamp, a sliding plate guide mechanism, a sliding plate positioning mechanism, a sliding plate pushing mechanism and a sliding plate fixing mechanism;
the spring diaphragm type clamp comprises a clamp body, a diaphragm and a clamping jaw, wherein the clamping jaw is installed on the diaphragm, the diaphragm is installed on the sliding plate, the sliding plate is in guide fit with the clamp body through a sliding plate guide mechanism, a sliding plate pushing mechanism is used for enabling the sliding plate to move to a position point to be machined along the sliding plate guide mechanism and to be positioned by a sliding plate positioning mechanism, and a sliding plate fixing mechanism is used for enabling the sliding plate to move to the position to be machined and fixing the clamp body.
Furthermore, the eccentric holes are formed by continuously machining 3 eccentrically arranged hole positions, the centers of the 3 hole positions are positioned on the same straight line and arranged along the left-right direction, and the sliding plate guide mechanism is arranged along the direction of the central connecting line of the 3 hole positions.
Furthermore, the slide guiding mechanism comprises a sliding groove and a sliding block, the sliding groove is installed on the clamp body, the sliding block is installed on the back surface of the sliding plate, and the sliding block is installed in the sliding groove.
Furthermore, a needle roller plate is arranged between the side wall of the sliding block and the side wall of the sliding groove.
Further, the sliding plate pushing mechanism comprises a left pushing oil cylinder and a right pushing oil cylinder, the sliding plate positioning mechanism comprises a left positioning screw and a right positioning oil cylinder, the left pushing oil cylinder and the right pushing oil cylinder are respectively fixed at the left side and the right side of the sliding plate, and the axis of the left pushing piston rod and the axis of the right pushing piston rod are superposed with the central connecting line of the 3 hole sites;
slide positioning mechanism includes left set screw and right positioning cylinder, and a pair of left set screw is fixed in the left side position of slide is located separately push away the front and back both sides of hydro-cylinder on a left side, and a pair of right positioning cylinder is fixed in the right side position of slide is located separately push away the front and back both sides of hydro-cylinder on a right side.
Furthermore, the sliding plate fixing mechanism comprises a pressing plate and a pressing oil cylinder, the pressing plates are symmetrically arranged on the outer portions of the two side walls of the sliding groove, the pressing plates are mounted at the end portion of a pressing piston of the pressing oil cylinder, and the pressing oil cylinder is fixed on the clamp body.
The utility model discloses an eccentric anchor clamps are transferred automatically to many eccentric orfices for grinding machine installs in the slide through the diaphragm with spring diaphragm formula anchor clamps, and the slide passes through slide guiding mechanism and anchor clamps body cooperation for the slide can move to respectively waiting to process the position and fix a position by slide positioning mechanism along slide guiding mechanism under slide advancing mechanism's drive, uses behind this anchor clamps, and the automatic abrasive machining of eccentric orfice can be accomplished to a dress card, can effectively improve production efficiency.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic top view of the present invention, wherein the clamp is positioned at the middle position of the multiple eccentric holes.
Fig. 3 is the schematic view of the overlooking structure of the present invention, wherein the clamp is positioned at the left of the multiple eccentric holes.
Fig. 4 is a schematic view of the top view structure of the present invention, wherein the clamp is positioned at the right of the multiple eccentric holes.
Fig. 5 is a schematic structural view of a workpiece to be processed.
Detailed Description
As shown in FIG. 5, the multi-eccentric hole to be processed of the workpiece is continuously processed and formed by a middle hole with the radius of R1 and two side holes with the radius of R2, wherein the middle hole and the side holes at two sides are partially overlapped and the centers of the holes are positioned on the same straight line.
As shown in fig. 1, the multi-eccentric-hole automatic eccentric center adjusting clamp for the grinding machine is suitable for processing the workpiece 1 and comprises a spring diaphragm type clamp, a sliding plate 13, a sliding plate guiding mechanism, a sliding plate positioning mechanism, a sliding plate pushing mechanism and a sliding plate fixing mechanism, wherein the spring diaphragm type clamp comprises a clamp body 14, a diaphragm 4 and a clamping jaw 3, the clamping jaw 3 is installed on the diaphragm 4, the diaphragm 4 is installed on the sliding plate 13, the sliding plate 13 is in guiding fit with the clamp body 14 through the sliding plate guiding mechanism, the sliding plate pushing mechanism is used for moving the sliding plate 13 to a position to be processed along the sliding plate guiding mechanism and positioning the sliding plate by the sliding plate positioning mechanism, and the sliding plate fixing mechanism is used for fixing the sliding plate 13 moved to the; in particular, the method comprises the following steps of,
the structure and the principle of the spring diaphragm type clamp are the prior art, 15 in the figure is a piston rod of a diaphragm oil cylinder, 7 is a top block connected to the end part of the piston rod of the diaphragm oil cylinder, and the top block can penetrate through a sliding plate under the action of the diaphragm oil cylinder and then externally prop a diaphragm 4;
the sliding plate guide mechanism comprises a sliding groove and a sliding block, the sliding groove 17 is installed on the clamp body 14, the sliding block 16 is installed on the back surface of the sliding plate 13, the sliding block 16 is installed in the sliding groove 17, and a needle roller plate 2 is arranged between the side wall of the sliding block 16 and the side wall of the sliding groove 17 to eliminate a gap;
the sliding plate pushing mechanism comprises a left pushing oil cylinder and a right pushing oil cylinder, the sliding plate positioning mechanism comprises a left positioning screw 8 and a right positioning oil cylinder, the left pushing oil cylinder and the right pushing oil cylinder are respectively fixed at the left side and the right side of the sliding plate 13, and the axis of the left pushing piston rod 9 and the axis of the right piston rod 12 are superposed with the central connecting line of the 3 hole sites;
the sliding plate positioning mechanism comprises a left positioning screw 8 and a right positioning oil cylinder, a pair of left positioning screws 8 are fixed at the left side of the sliding plate 13 and are respectively arranged at the front side and the rear side of the left push oil cylinder, a pair of right positioning oil cylinders are fixed at the right side of the sliding plate 13 and are respectively arranged at the front side and the rear side of the right push oil cylinder, wherein a piston rod of the right positioning oil cylinder is used as the right positioning screw when not extending out, and is used as the middle positioning screw when extending out;
the sliding plate fixing mechanism comprises a pressing plate 5 and a pressing oil cylinder, the pressing plate 5 is symmetrically arranged outside two side walls of the sliding groove, the pressing plate 5 is installed at the end portion of a pressing piston 6 of the pressing oil cylinder, the pressing oil cylinder is fixed on a clamp body 14, and a guide pressing plate is fixedly installed on the two side walls of the sliding groove 15 in the drawing, so that the sliding plate is prevented from falling off after the pressing plate is loosened.
The working process is as follows:
the middle position, i.e. the radius R1 middle hole location:
as shown in fig. 2, the pressing plate 5 is released, the upper and lower right positioning piston rods move leftwards under oil pressure, the right piston rod 12 (right pushing cylinder) retracts rightwards, the left pushing piston rod 9 (left pushing cylinder) pushes the sliding plate 13 rightwards to make it abut against the right positioning piston rod (because all the piston rods have the same diameter and oil pressure, the positioning piston rods in the two parts cannot be pushed by one left pushing piston rod 9, so that the piston rods are reliably positioned), and the pressing plate 5 is pressed tightly.
Clamping the workpiece 1:
when the workpiece 1 is clamped, the diaphragm 4 is stressed to be pushed outwards under the action of the diaphragm oil cylinder, the clamping jaws 3 are opened, the workpiece 1 is loaded, the workpiece 1 is positioned through the hole positions 18 which are machined and formed on the upper side and the lower side, the diaphragm oil cylinder is retracted leftwards, the diaphragm 4 is recovered, the clamping jaws 3 are tightened, and the workpiece 1 is clamped by the clamping jaws 3 by means of resilience force of the diaphragm 4.
The left position, i.e., the radius R2 side hole location.
When the workpiece 1 is well clamped at the middle position and the middle hole is ground, the grinding wheel is withdrawn, and the clamp is directly switched to the left position under the action of oil pressure under the condition of no shutdown. As shown in fig. 3, the actions are as follows: the pressing plate 5 is loosened, the right positioning piston rod is withdrawn rightwards, the left pushing piston rod 9 is retracted leftwards, the right piston rod 12 props against the sliding plate 13 leftwards, the sliding plate is abutted against the left positioning screw 8, and the pressing plate 5 is pressed tightly.
Right, radius R2 side hole orientation:
similarly, the clamp is directly switched to the right position under the action of oil pressure without stopping the machine. As shown in fig. 4, the actions are as follows: after the left-position grinding is finished, the pressing plate 5 is loosened, the right piston rod 12 retracts rightwards, the left piston rod 9 pushes the sliding plate 13 rightwards to abut against the right positioning piston rod, and the pressing plate 5 compresses tightly.
Resetting the clamp:
and (4) loosening the pressing plate 5, returning the sliding plate 13 to the middle position, pressing the pressing plate 5, and loading and unloading the workpiece 1.
Claims (6)
1. The utility model provides an automatic eccentric centre adjustment anchor clamps of many eccentric orfices for grinding machine which characterized in that: the device comprises a spring diaphragm type clamp, a sliding plate guide mechanism, a sliding plate positioning mechanism, a sliding plate pushing mechanism and a sliding plate fixing mechanism;
the spring diaphragm type clamp comprises a clamp body, a diaphragm and a clamping jaw, wherein the clamping jaw is installed on the diaphragm, the diaphragm is installed on the sliding plate, the sliding plate is in guide fit with the clamp body through a sliding plate guide mechanism, a sliding plate pushing mechanism is used for enabling the sliding plate to move to a position point to be machined along the sliding plate guide mechanism and to be positioned by a sliding plate positioning mechanism, and a sliding plate fixing mechanism is used for enabling the sliding plate to move to the position to be machined and fixing the clamp body.
2. The multi-eccentric-hole automatic eccentric center adjusting clamp for the grinding machine as claimed in claim 1, characterized in that: the multi-eccentric hole is formed by continuously machining 3 eccentrically arranged hole positions, the centers of the 3 hole positions are positioned on the same straight line and arranged along the left-right direction, and the sliding plate guide mechanism is arranged along the direction of the central connecting line of the 3 hole positions.
3. The multi-eccentric-hole automatic eccentric center adjusting clamp for the grinding machine as claimed in claim 2, characterized in that: the slide guiding mechanism comprises a sliding groove and a sliding block, the sliding groove is installed on the clamp body, the sliding block is installed on the back face of the sliding plate, and the sliding block is installed in the sliding groove.
4. The multi-eccentric-hole automatic eccentric center adjusting clamp for the grinding machine as claimed in claim 3, characterized in that: and needle rolling plates are respectively arranged between the side wall of the sliding block and the side wall of the sliding groove.
5. The multi-eccentric-hole automatic eccentric center adjusting clamp for the grinding machine as claimed in claim 3, characterized in that: the sliding plate pushing mechanism comprises a left pushing oil cylinder and a right pushing oil cylinder, the sliding plate positioning mechanism comprises a left positioning screw and a right positioning oil cylinder, the left pushing oil cylinder and the right pushing oil cylinder are respectively fixed at the left side and the right side of the sliding plate, and the axis of the left pushing piston rod and the axis of the right pushing piston rod are superposed with the central connecting line of the 3 hole sites;
slide positioning mechanism includes left set screw and right positioning cylinder, and a pair of left set screw is fixed in the left side position of slide is located separately push away the front and back both sides of hydro-cylinder on a left side, and a pair of right positioning cylinder is fixed in the right side position of slide is located separately push away the front and back both sides of hydro-cylinder on a right side.
6. The multi-eccentric-hole automatic eccentric center adjusting clamp for the grinding machine as claimed in claim 3, characterized in that: the sliding plate fixing mechanism comprises a pressing plate and a pressing oil cylinder, the pressing plate is symmetrically arranged outside two side walls of the sliding groove, the pressing plate is installed at the end part of a pressing piston of the pressing oil cylinder, and the pressing oil cylinder is fixed on the clamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240869.4U CN211277985U (en) | 2019-12-14 | 2019-12-14 | Automatic eccentric centre adjusting clamp with multiple eccentric holes for grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240869.4U CN211277985U (en) | 2019-12-14 | 2019-12-14 | Automatic eccentric centre adjusting clamp with multiple eccentric holes for grinding machine |
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| CN211277985U true CN211277985U (en) | 2020-08-18 |
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| CN201922240869.4U Active CN211277985U (en) | 2019-12-14 | 2019-12-14 | Automatic eccentric centre adjusting clamp with multiple eccentric holes for grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842775A (en) * | 2019-12-14 | 2020-02-28 | 无锡七机机床有限公司 | Automatic eccentric adjusting clamp with multiple eccentric holes for grinding machine |
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2019
- 2019-12-14 CN CN201922240869.4U patent/CN211277985U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842775A (en) * | 2019-12-14 | 2020-02-28 | 无锡七机机床有限公司 | Automatic eccentric adjusting clamp with multiple eccentric holes for grinding machine |
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