CN212169966U

CN212169966U - Multifunctional grinding machine

Info

Publication number: CN212169966U
Application number: CN202020748275.4U
Authority: CN
Inventors: 冯双勇
Original assignee: Henan Juchuang Abrasives Co ltd
Current assignee: Henan Juchuang Abrasives Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-12-18
Anticipated expiration: 2030-05-08

Abstract

The utility model relates to the technical field of diamond grinding wheel processing, and discloses a multifunctional grinding machine, which comprises a frame, wherein a grinding wheel feeding assembly and a workpiece fixing assembly are arranged on the frame, the workpiece fixing assembly comprises a connecting seat, a fixing plate and a workpiece connecting shaft, the fixing plate is in running fit with the connecting seat, the workpiece connecting shaft is a hollow shaft, and a slide hole is arranged on the workpiece connecting shaft; the adjustable clamping device is arranged on the workpiece connecting shaft and comprises a fixed disc, an adjusting slide rod, a connecting chuck, a fixing nut and an ejector rod, wherein one end of the adjusting slide rod is connected with a moving disc, the moving disc is in sliding fit with the inner wall of the workpiece connecting shaft, the moving disc and the fixed disc are connected through a reset spring, the connecting chuck is in sliding fit with a sliding hole of the connecting chuck, one end of the connecting chuck extends into the workpiece connecting shaft and is connected with a connecting rod, the ejector rod is in threaded connection with the fixing nut, and one end of the ejector rod is abutted. The utility model discloses can carry out polishing of multiple means to diamond wheel work piece, convenient to use, work efficiency is high.

Description

Multifunctional grinding machine

Technical Field

The utility model relates to a diamond wheel machining technical field especially relates to a multifunctional grinding machine.

Background

In the machining process of the low-roughness grinding tool diamond grinding wheel, the grinding needs to be carried out through various grinding means, such as plane grinding on the end face of the low-roughness grinding tool diamond grinding wheel, external circle grinding or conical surface grinding on the end face of the low-roughness grinding tool diamond grinding wheel, and the like. In the prior art, the grinding head of the grinding machine can only carry out single grinding processing, has limitation, cannot realize one-time grinding molding on a diamond grinding wheel workpiece, needs to be replaced, brings inconvenience for actual production, and has low working efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior technical problem, the utility model provides a multifunctional grinding machine.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional grinding machine comprises a rack, wherein a grinding wheel feeding assembly and a workpiece fixing assembly are arranged on the rack, the grinding wheel feeding assembly comprises an X-axis feeding device, a Y-axis feeding device and a grinding wheel, the grinding wheel is connected with a grinding driving device, the workpiece fixing assembly comprises a connecting seat, a fixing plate and a workpiece connecting shaft, the connecting seat is fixed on the rack, an accommodating groove is formed in the connecting seat, the fixing plate is arranged on the connecting seat and is in rotating fit with the connecting seat along a horizontal plane through an adjusting rotating shaft, the lower end of the adjusting rotating shaft extends into the accommodating groove and is in threaded connection with a fastening nut, the workpiece connecting shaft is rotatably connected onto the fixing plate through one rotation of the bearing seat, the workpiece connecting shaft is a hollow shaft, and at least two radially extending; an adjustable clamping device is arranged on the workpiece connecting shaft, the adjustable clamping device comprises a fixed disc, an adjusting slide rod, a connecting chuck, a fixed nut and an ejector rod, the fixed disc is coaxially fixed in the workpiece connecting shaft, a through hole penetrating through the thickness of the fixed disc is coaxially arranged on the fixed disc, the adjusting slide rod penetrates through the through hole and is in sliding fit with the through hole, one end of the adjusting slide rod is connected with a movable disc, the movable disc is in sliding fit with the inner wall of the workpiece connecting shaft, the movable disc and the fixed disc are connected through a reset spring sleeved outside the adjusting slide rod, the connecting chuck is arranged corresponding to the slide hole and is in sliding fit with the slide hole corresponding to the connecting chuck, one end of the connecting chuck extends into the workpiece connecting shaft and is connected with a connecting rod, one end of the connecting rod is hinged with the connecting chuck, the other end of the connecting rod, the ejector rod is in threaded connection with the fixing nut, one end of the ejector rod is abutted to the movable plate, and the other end of the ejector rod is connected with the adjusting plate.

Preferably, X-axis feeding device includes X-axis slide rail, X-axis feed screw, X-axis feed base, the X-axis slide rail is fixed in on the frame, X-axis feed screw rotates to be connected in the frame and is connected with X-axis feed hand wheel, X-axis feed base and X-axis slide rail sliding fit just are equipped with the X-axis nut with X-axis feed screw threaded connection.

Preferably, Y-axis feeding device includes Y-axis slide rail, Y-axis feed screw, Y-axis feed base, the Y-axis slide rail is fixed in X-axis feed base, Y-axis feed screw rotates to be connected in X-axis feed base on and be connected with Y-axis feed motor, Y-axis feed motor fixes on X-axis feed base, Y-axis feed base and Y-axis slide rail sliding fit just are equipped with Y-axis feed screw threaded connection's Y-axis nut.

Preferably, the polishing driving device comprises a polishing motor, a polishing driving wheel, a polishing rotating shaft and a polishing driven wheel, the polishing motor is fixed on the Y-axis feeding base, the polishing driving wheel is connected to an output shaft of the polishing motor, the polishing rotating shaft is rotatably connected to the Y-axis feeding base through a bearing seat II, the polishing driven wheel and the polishing grinding wheel are connected to the polishing rotating shaft, and the polishing driving wheel and the polishing driven wheel are in transmission connection through a polishing belt.

Preferably, the workpiece driving device comprises a workpiece motor, a workpiece driving wheel and a workpiece driven wheel, the workpiece motor is fixed on the fixing plate, the workpiece driving wheel is connected to an output shaft of the workpiece motor, the workpiece driven wheel is connected to the workpiece connecting shaft, and the workpiece driving wheel and the workpiece driven wheel are in transmission connection through a workpiece belt.

The utility model discloses can carry out the polishing of multiple means such as plane grinding, cylindrical grinder, conical surface mill to diamond wheel work piece, need not to change the one shot forming of polishing that the bistrique can realize the work piece, convenient to use, powerful, work efficiency is high, and can be applicable to the work piece of different internal diameter sizes.

Drawings

Fig. 1 is a front view of the present embodiment.

Figure 2 is a left side view of the wheel feed assembly of figure 1.

FIG. 3 is a right side view of the workpiece holding assembly of FIG. 1.

Fig. 4 is a schematic axial cross-section of the workpiece coupling shaft of fig. 1.

In the figure: the grinding machine comprises a machine frame 1, a grinding wheel 2, a connecting seat 3, a fixing plate 4, a workpiece connecting shaft 5, an accommodating groove 6, an adjusting rotating shaft 7, a fastening nut 8, a bearing seat I9, a fixing disc 10, an adjusting slide rod 11, a connecting chuck 12, a fixing nut 13, an ejector rod 14, a movable disc 15, a return spring 16, a connecting rod 17, an adjusting disc 18, a sliding rail 19X, a feeding screw 20X, a feeding base 21X, a nut 22X, a sliding rail 23Y, a feeding screw 24Y, a feeding base 25Y, a nut 26Y, a grinding driving wheel 27, a grinding rotating shaft 28, a bearing seat II 29, a grinding belt 30, a workpiece motor 31, a workpiece driven wheel 32, a workpiece belt 33, a sliding block 34 and a grinding motor 35.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Examples

Referring to fig. 1-4, a multifunctional grinding machine comprises a frame 1, wherein a grinding wheel feeding assembly and a workpiece fixing assembly are arranged on the frame 1, the grinding wheel feeding assembly comprises an X-axis feeding device, a Y-axis feeding device and a grinding wheel 2, the grinding wheel 2 is connected with a grinding driving device, the workpiece fixing component comprises a connecting seat 3, a fixing plate 4 and a workpiece connecting shaft 5, the connecting seat 3 is fixed on the frame 1, a containing groove 6 is arranged on the connecting seat 3, the fixing plate 4 is arranged on the connecting seat 3 and is in rotating fit with the connecting seat 3 along a horizontal plane through the adjusting rotating shaft 7, the lower end of the adjusting rotating shaft 7 extends into the accommodating groove 6 and is connected with a fastening nut 8 through threads, the workpiece connecting shaft 5 is rotatably connected to the fixing plate 4 through a first bearing seat 9, the workpiece connecting shaft 5 is a hollow shaft, and two radially extending sliding holes are uniformly formed in the workpiece connecting shaft 5 along the circumferential direction. Be equipped with adjustable clamping device on work piece connecting axle 5, adjustable clamping device includes fixed disk 10, regulation slide bar 11, connection chuck 12, fixation nut 13, ejector pin 14, in fixed disk 10 coaxial fixation was in work piece connecting axle 5, the coaxial through-hole that runs through its thickness that is equipped with on the fixed disk 10, adjust slide bar 11 run through the through-hole and with through-hole sliding fit, the one end of adjusting slide bar 11 is connected with movable plate 15, movable plate 15 and the 5 inner wall sliding fit of work piece connecting axle, movable plate 15 and fixed disk 10 are located the reset spring 16 in the regulation slide bar 11 outside through the cover and are connected, connection chuck 12 corresponds the slide opening setting and rather than the slide opening sliding fit that corresponds, and the one end of connecting chuck 12 is stretched into in work piece connecting axle 5 and is connected with connecting rod 17, connecting rod 17 one end is articulated with connection chuck 12, and the other end is articulated with the one end, the fixing nut 13 is fixed on the fixing plate 4 and is arranged on one side, far away from the adjusting slide rod 11, of the moving disc 15, the ejector rod 14 is in threaded connection with the fixing nut 13, one end of the ejector rod 14 is abutted to the moving disc 15, and the other end of the ejector rod is connected with the adjusting disc 18. In this embodiment, the connecting chucks 12 and the connecting rods 17 are both provided with two connecting chucks and are both symmetrically distributed by taking the axis of the workpiece connecting shaft 5 as the center; the movable disc 15 is connected with the inner wall of the workpiece connecting shaft 5 in a sliding mode through the sliding block 34 and the axial sliding groove, and when the workpiece connecting shaft 5 rotates, the movable disc 15 and the adjusting sliding rod 11 rotate synchronously along with the workpiece connecting shaft.

X-axis feeding device includes X-axis slide rail 19, X-axis feed screw 20, X-axis feed base 21, X-axis slide rail 19 is fixed in on the frame 1, X-axis feed screw 20 rotates to be connected in frame 1 and is connected with X-axis feed hand wheel, X-axis feed base 21 and X-axis slide rail 19 sliding fit just are equipped with the X-axis nut 22 with X-axis feed screw 20 threaded connection.

Y axle feeding device includes Y axle slide rail 23, Y axle feed screw 24, Y axle feed base 25, Y axle slide rail 23 is fixed in X axle feed base 21, Y axle feed screw 24 rotates to be connected in X axle feed base 21 on and is connected with Y axle feed motor, Y axle feed motor fixes on X axle feed base 21, Y axle feed base 25 and Y axle slide rail 23 sliding fit just are equipped with the Y axle nut 26 with Y axle feed screw 24 threaded connection.

The polishing driving device comprises a polishing motor 35, a polishing driving wheel 27, a polishing rotating shaft 28 and a polishing driven wheel (not shown in the figure), wherein the polishing motor 35 is fixed on the Y-axis feeding base 25, the polishing driving wheel 27 is connected on an output shaft of the polishing motor 35, the polishing rotating shaft 28 is rotatably connected on the Y-axis feeding base 25 through a bearing seat II 29, the polishing driven wheel and the polishing grinding wheel 2 are both connected on the polishing rotating shaft 28, and the polishing driving wheel 27 and the polishing driven wheel are in transmission connection through a polishing belt 30.

The workpiece driving device comprises a workpiece motor 31, a workpiece driving wheel (not shown in the figure) and a workpiece driven wheel 32, wherein the workpiece motor 31 is fixed on the fixing plate 4, the workpiece driving wheel is connected to an output shaft of the workpiece motor 31, the workpiece driven wheel 32 is connected to the workpiece connecting shaft 5, and the workpiece driving wheel and the workpiece driven wheel 32 are in transmission connection through a workpiece belt 33.

In this embodiment, the grinding wheel feeding assembly is arranged on the left side of the frame 1, the workpiece fixing assembly is arranged on the right side of the frame 1, the adjusting rotating shaft 7 is vertically fixed on the fixing plate 4, the lower end of the adjusting rotating shaft 7 is rotatably connected to the connecting seat 3, the axial direction of the grinding wheel 2 is parallel to the Y-axis direction, and the axial direction of the workpiece connecting shaft 5 is parallel to the X-axis direction.

The X-axis feeding device can realize the feeding of the grinding wheel 2 in the X-axis direction, the Y-axis feeding device can realize the feeding of the grinding wheel 2 in the Y-axis direction, and the X-axis feeding device and the Y-axis feeding device are matched with each other to fix the grinding wheel 2 at any position of the rack 1 in the horizontal direction. The diamond grinding wheel workpiece to be polished is fixed on the workpiece connecting shaft 5 through the adjustable clamping device. During polishing, the polishing driving device drives the polishing grinding wheel 2 to rotate, the workpiece driving device drives the workpiece to rotate, the relative position of the polishing grinding wheel 2 and the workpiece is changed, and plane grinding, excircle grinding and end face grinding of the workpiece can be achieved. The specific operation is as follows:

when the end face of a workpiece is subjected to plane grinding, the outer circle of the grinding wheel 2 is adjusted to the position tangent to the end face of the workpiece, the end face of the workpiece is ground by the outer circle of the grinding wheel 2, the grinding wheel 2 and the workpiece rotate in the grinding process, the grinding wheel 2 is fed in the Y-axis direction, and the grinding of the whole end face of the workpiece can be achieved.

When the outer circle surface of the workpiece is ground, the end face of the grinding wheel 2 is adjusted to the position tangent to the outer circle surface of the workpiece, the end face of the grinding wheel 2 is utilized to grind the outer circle surface of the workpiece, in the grinding process, the grinding wheel 2 and the workpiece rotate uniformly, the grinding wheel 2 can keep the position unchanged, and the workpiece can be fed in the X-axis direction (the grinding is more uniform, the grinding effect is better, the wear of the grinding wheel 2 is smaller), so that the grinding of the whole outer circle surface of the workpiece can be realized.

Thirdly, when the outer disc of work piece is polished, loosen fastening nut 8 earlier, then will adjust the certain angle of 7 rotations of pivot, make work piece axial and the axial formation certain contained angle of emery wheel 2 of polishing (the concrete value of this contained angle can be confirmed according to the tapering of the shaping conical surface of polishing as required), then tighten fastening nut 8, make locating plate and connecting seat 3 compress tightly, fix a position the work piece, utilize the terminal surface of emery wheel 2 of polishing to polish the outer disc of work piece, the in-process of polishing, emery wheel 2 and work piece are all rotatory, emery wheel 2 of polishing feeds in the Y axle direction simultaneously, can progressively polish into the conical surface with the outer disc of work piece.

The connecting seat 3 is provided with an accommodating groove 6, and an operation space is provided for utilizing a tool to perform related operations on the fastening nut 8.

The X-axis feeding device and the Y-axis feeding device both utilize a nut-screw principle, and when an X-axis feeding hand wheel rotates the X-axis feeding screw 20 or a Y-axis feeding motor drives the Y-axis feeding screw 24 to rotate, the feeding of the X-axis feeding base 21 along the X-axis slide rail 19 or the feeding of the Y-axis feeding base 25 along the Y-axis slide rail 23 can be realized.

The action principle of the adjustable clamping device is as follows: most of diamond grinding wheel workpieces are coaxially provided with mounting holes, when the workpieces are fixed, the workpieces are firstly sleeved outside a workpiece connecting shaft 5, then an adjusting disc 18 is rotated, an ejector rod 14 pushes an adjusting slide rod 11 to compress a return spring 16 to move towards the direction of the workpieces, and the adjusting slide rod 11 drives each connecting chuck 12 to move outwards through a connecting rod 17 until the connecting chucks 12 abut against the inner wall of the workpiece to clamp the workpieces. When the workpiece needs to be disassembled, the adjusting disc 18 is only required to be rotated in the opposite direction, at the moment, the moving disc 15 is reset under the action of the reset spring 16, and each connecting chuck 12 moves towards the axial direction of the workpiece connecting shaft 5 to loosen the workpiece. The utility model discloses the adjustable clamping device who sets up can realize the installation from the centering of work piece to easy operation, the installation is convenient, applicable in the installation of different internal diameter size work pieces, and application scope is wide, and the practicality is strong.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a multifunctional grinder, includes the frame, its characterized in that: the grinding wheel feeding assembly comprises an X-axis feeding device, a Y-axis feeding device and a grinding wheel, the grinding wheel is connected with a grinding driving device, the workpiece fixing assembly comprises a connecting seat, a fixing plate and a workpiece connecting shaft, the connecting seat is fixed on the rack, an accommodating groove is formed in the connecting seat, the fixing plate is arranged on the connecting seat and is in rotating fit with the connecting seat along a horizontal plane through an adjusting rotating shaft, the lower end of the adjusting rotating shaft extends into the accommodating groove and is in threaded connection with a fastening nut, the workpiece connecting shaft is rotatably connected onto the fixing plate through one rotation of the bearing seat, the workpiece connecting shaft is a hollow shaft, and at least two radially extending sliding holes are uniformly formed in the workpiece connecting shaft along the circumferential direction; an adjustable clamping device is arranged on the workpiece connecting shaft, the adjustable clamping device comprises a fixed disc, an adjusting slide rod, a connecting chuck, a fixed nut and an ejector rod, the fixed disc is coaxially fixed in the workpiece connecting shaft, a through hole penetrating through the thickness of the fixed disc is coaxially arranged on the fixed disc, the adjusting slide rod penetrates through the through hole and is in sliding fit with the through hole, one end of the adjusting slide rod is connected with a movable disc, the movable disc is in sliding fit with the inner wall of the workpiece connecting shaft, the movable disc and the fixed disc are connected through a reset spring sleeved outside the adjusting slide rod, the connecting chuck is arranged corresponding to the slide hole and is in sliding fit with the slide hole corresponding to the connecting chuck, one end of the connecting chuck extends into the workpiece connecting shaft and is connected with a connecting rod, one end of the connecting rod is hinged with the connecting chuck, the other end of the connecting rod, the ejector rod is in threaded connection with the fixing nut, one end of the ejector rod is abutted to the movable plate, and the other end of the ejector rod is connected with the adjusting plate.

2. The multipurpose grinding machine according to claim 1, characterized in that: the X-axis feeding device comprises an X-axis slide rail, an X-axis feed screw and an X-axis feed base, the X-axis slide rail is fixed on the rack, the X-axis feed screw is rotatably connected to the rack and is connected with an X-axis feed hand wheel, and the X-axis feed base is in sliding fit with the X-axis slide rail and is provided with an X-axis nut in threaded connection with the X-axis feed screw.

3. The multipurpose grinding machine according to claim 2, characterized in that: y axle feeding device includes Y axle slide rail, Y axle feed screw, Y axle feed base, Y axle slide rail is fixed in X axle feed base, Y axle feed screw rotates to be connected in X axle feed base on and is connected with Y axle feed motor, Y axle feed motor fixes on X axle feed base, Y axle feed base and Y axle slide rail sliding fit just are equipped with the Y axle nut with Y axle feed screw threaded connection.

4. A multipurpose grinding machine as claimed in claim 3, characterised in that: the grinding driving device comprises a grinding motor, a grinding driving wheel, a grinding rotating shaft and a grinding driven wheel, the grinding motor is fixed on the Y-axis feeding base, the grinding driving wheel is connected to an output shaft of the grinding motor, the grinding rotating shaft is rotatably connected to the Y-axis feeding base through a bearing seat II, the grinding driven wheel and the grinding wheel are both connected to the grinding rotating shaft, and the grinding driving wheel and the grinding driven wheel are connected through a grinding belt in a transmission mode.