CN212527337U

CN212527337U - Stable form flat grinding device

Info

Publication number: CN212527337U
Application number: CN202021048372.9U
Authority: CN
Inventors: 黄小林
Original assignee: Chongqing Xuqiantong Machinery Manufacturing Co ltd
Current assignee: Chongqing Xuqiantong Machinery Manufacturing Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-12
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a stable flat grinding device, which comprises a workbench, wherein a limit track is arranged on the workbench along the length direction of the workbench, a positioning table is connected on the limit track in a sliding and clamping manner, and a flat grinding assembly is arranged above the feeding end of the limit track; the top of the positioning table is provided with a clamping groove, a pair of clamping jaws symmetrically arranged in structure are hinged in the clamping groove, and each clamping jaw comprises a pressing driving end and a clamping end; the workpiece is placed in the clamping groove and is pressed and fixed with the pressing driving ends of the two clamping jaws, and the two clamping jaws rotate oppositely to enable the clamping ends of the two clamping jaws to clamp and fix the workpiece; compared with the prior art, the utility model, improved the stability of work piece at the in-process of polishing, and conveniently installed the centre gripping inslot with the work piece and fix.

Description

Stable form flat grinding device

Technical Field

The utility model relates to a spare part processing equipment technical field, concretely relates to stable form flat grinding device.

Background

A flat grinder is a grinding machine that grinds the surface of a workpiece with a grinder coated with or embedded in an abrasive. The grinding machine is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in workpieces. The grinding and polishing machine is used for single-side grinding and polishing of materials.

When an existing flat grinding machine is used for grinding a die body, a flat grinding head is mainly used for grinding workpieces, the grinding precision can be influenced by the stability of the workpieces in the grinding process, and the grinding precision is poor due to the fact that the stability of the existing workpieces is not high in the grinding process.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model aims to provide a stable form flat grinding device to solve prior art, current work piece is not high in the course of working of polishing stability and is leading to its poor problem of precision of polishing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a stable flat grinding device comprises a workbench, wherein a limiting rail is arranged on the workbench along the length direction of the workbench, a positioning table is connected to the limiting rail in a sliding and clamping manner, and a flat grinding assembly is arranged above the feeding tail end of the limiting rail;

the top of the positioning table is provided with a clamping groove, a pair of clamping jaws symmetrically arranged in structure are hinged in the clamping groove, and each clamping jaw comprises a pressing driving end and a clamping end; the workpiece is placed in the clamping groove and is pressed and fixed with the pressing driving ends of the two clamping jaws, and the two clamping jaws rotate in opposite directions to enable the clamping ends of the two clamping jaws to clamp and fix the workpiece.

Compared with the prior art, the utility model discloses following beneficial effect has:

the flat grinding device is used for placing a workpiece in the clamping groove, and the workpiece is pressed and fixed on the pressing driving ends of the two clamping jaws by the gravity of the workpiece, so that the two clamping jaws rotate oppositely to clamp and fix the clamping ends of the two clamping jaws on the workpiece, the flat grinding component is convenient to have sufficient stability when grinding and processing the workpiece, and the processing precision is improved; simultaneously, the workpiece is conveniently arranged on the positioning table through the limiting rail, then the feeding end of the limiting rail is fed into the positioning table to be machined through the flat grinding assembly after the workpiece is arranged on the positioning table, the workpiece is convenient to install or disassemble, the positioning table is enabled to have sufficient stability due to the sliding clamping matching of the limiting rail and the positioning table, and the machining precision of the workpiece cannot be affected.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 with the positioning table moved to the initial feed end of the stop rail;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 1 with the positioning table moved to the feed end of the curb rails;

fig. 5 is an enlarged view of a portion B in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments:

reference numerals in the drawings of the specification include: the device comprises a workbench 1, a limiting rail 2, a positioning table 3, a clamping groove 4, a clamping jaw 5, a mounting frame 6, a mounting plate 7, a cylinder 8, a motor 9, a flat grinding head 10, a positioning block 11, a locking block 12, a mounting hole 13, a driving shaft 14, a positioning groove 15, a wire winding rod 16, a guide ring 17, a driving traction wire 18, a driven traction wire 19, a resisting block 20 and a workpiece 21.

As shown in fig. 1, fig. 2 and fig. 4, an embodiment of the present invention provides a stable flat grinding device, which includes a workbench 1, a limiting rail 2 is disposed on the workbench 1 along a length direction thereof, a positioning table 3 is slidably clamped on the limiting rail 2, and a flat grinding assembly is disposed above a feeding end of the limiting rail 2; the top of the positioning table 3 is provided with a clamping groove 4 (as shown in fig. 3 and 5), a pair of clamping jaws 5 symmetrically arranged in structure are hinged in the clamping groove 4, and each clamping jaw 5 comprises a pressing driving end and a clamping end; the workpiece 21 is placed in the clamping groove 4 and is pressed and fixed with the pressing driving ends of the two clamping jaws 5, and the two clamping jaws 5 rotate oppositely to enable the clamping ends of the two clamping jaws 5 to clamp and fix the workpiece 21.

The flat grinding component that adopts is including connecting mounting bracket 6 on workstation 1 and setting up mounting panel 7 in mounting bracket 6, and the terminal outside of pay-off of spacing track 2 is established to mounting bracket 6 cover, and mounting panel 7 is located spacing track 2's the terminal top of pay-off, links to each other through a plurality of cylinders 8 between mounting panel 7 and the mounting bracket 6, and the middle part fixedly connected with motor 9 of mounting panel 7 is connected with flat grinding head 10 on the output shaft of motor 9 bottom.

Placing the workpiece 21 into the clamping groove 4, clamping and fixing the workpiece 21 through the clamping ends of the two clamping jaws 5, and sliding the positioning table 3 to enable the positioning table 3 to slide into the mounting frame 6 and be positioned below the flat grinding head 10; and simultaneously starting the plurality of cylinders 8 to enable the mounting plate 7 to drive the motor 9 to enable the flat grinding head 10 to move towards the workpiece 21, and when the flat grinding head 10 abuts against the surface to be ground at the top of the workpiece 21, starting the motor 9 to enable the flat grinding head 10 to grind the workpiece 21.

As shown in fig. 3 and 5, according to another embodiment of the present invention, the stable flat grinding device further comprises a structure optimization for the clamping jaw 5, wherein the clamping jaw 5 is a right-angle block, the intersection point of the clamping jaw 5 is located at the turning point of the right-angle block, the pressing driving end and the clamping end are in one-to-one correspondence to each other at one of two end portions of the right-angle block, and both the horizontal block section and the vertical block section of the right-angle block form an included angle with the bottom of the clamping groove 4; the structural design and the arrangement mode of the clamping jaws 5 are that when the workpiece 21 is placed in the clamping groove 4, the workpiece 21 abuts against the pressing driving ends of the two clamping jaws 5, and then the two clamping jaws 5 rotate oppositely by the gravity of the workpiece 21, so that the clamping ends of the two clamping jaws 5 clamp and fix the workpiece 21, and the clamping jaws 5 of the workpiece 21 can be adjusted flexibly and quickly by the two clamping jaws 5.

As shown in fig. 2 and 4, according to another embodiment of the present invention, the stable flat grinding device further includes an adjustable fixing mechanism disposed on the limiting rail 2, the adjustable fixing mechanism includes a positioning block 11 fixedly disposed at a feeding end of the limiting rail 2 and a locking member slidably disposed on the limiting rail 2, and the positioning table 3 is located between the positioning block 11 and the locking member; the locking piece comprises a locking block 12 which is sleeved on the top of the limiting rail 2 in a sliding manner, a threaded hole is formed in the top of the locking block 12, and a locking rod which is abutted against the top of the limiting rail 2 is connected with the threaded hole in a threaded manner; after the workpiece 21 is installed on the positioning table 3, the positioning table 3 slides on the limiting rail 2, the positioning table 3 abuts against the positioning block 11, the sliding locking block 12 abuts against the positioning table 3, the position of the locking block 12 is fixed by abutting against the top of the limiting rail 2 through the locking rod, and therefore the positioning table 3 is clamped and fixed through the matching of the positioning block 11 and the locking block 12, and the stability of the workpiece 21 in the polishing process is further improved.

As shown in fig. 3 and 5, according to another embodiment of the present invention, in order to reinforce the clamping state of the two clamping jaws 5 on the workpiece 21, a positioning reinforcing mechanism is further disposed between the positioning block 11 and the positioning table 3, a mounting hole 13 located below the clamping groove 4 is formed in the positioning table 3, the mounting hole 13 includes two drawing inlets communicated with the clamping groove 4 and a drawing outlet disposed on a side wall of the positioning table 3 near the positioning block 11, the positioning reinforcing mechanism includes a driving shaft 14 threaded on the drawing outlet and a positioning groove 15 disposed on the positioning block 11, one end of the driving shaft 14 is connected to a drawing structure disposed in the mounting hole 13 and connected to the pressing driving ends of the two clamping jaws 5 in a one-to-one correspondence manner after both drawing inlets penetrate out; the driving shaft 14 is rotated to fix the clamping state of the clamping ends of the two clamping jaws 5 by the traction structure, and the other end of the driving shaft 14 is embedded into the positioning groove 15 to be fixed by the sliding positioning table 3.

The adopted traction structure comprises a wire winding rod 16 connected with a driving shaft 14 and a guide ring 17 arranged on one side of the wire winding rod 16 and arranged on the inner wall of the mounting hole 13, a driving traction wire 18 penetrating through the guide ring 17 and then arranged in the mounting hole 13 is fixedly wound on the wire winding rod 16, one end, far away from the wire winding rod 16, of the driving traction wire 18 is connected with two driven traction wires 19, and the two driven traction wires 19 are connected with the pressing driving ends of the two clamping jaws 5 after penetrating through two traction inlets in a one-to-one correspondence mode.

After the two clamping jaws 5 fix the clamping jaws 5 on the workpiece 21, the driving shaft 14 is rotated to increase the number of turns of the driving traction wire 18 wound on the wire winding rod 16, so that the two driven traction wires 19 are in a tensioning state to further fix the states of the clamping jaws 5 of the two clamping jaws 5, and the workpiece 21 is prevented from being ejected out of the clamping groove 4 under the action of the hinged elastic resetting force of the two clamping jaws 5 due to the fact that the weight of the workpiece 21 is too small; the design of the guide ring 17 is convenient for orderly winding the active traction wire 18 on the winding rod 16, and then embedding one end part of the driving shaft 14 into the positioning groove 15 for further positioning and fixing; after the end part of the driving shaft 14 is moved out of the positioning groove 15, the driving shaft 14 is rotated reversely to reduce the number of turns wound on the winding rod 16, so that the two driven traction wires 19 are in a loose state, and the workpiece 21 can be conveniently taken out of the clamping groove 4; in order to facilitate the traction movement of the driving traction wire 18 and the two driven traction wires 19, a plurality of guide wheels may be provided for each of the driving traction wire 18 and the two driven traction wires 19 to guide, so that they can stably operate.

As shown in fig. 2 and 5, according to another embodiment of the present invention, the stable type flat grinding device is provided to improve the positioning strength of the positioning groove 15 and the driving shaft 14 after the cooperation; the positioning groove 15 is designed into a spline groove, and one end of the driving shaft 14 embedded into the positioning groove 15 is designed into a spline shaft matched with the spline groove; the positioning connection strength of the driving shaft 14 is improved through the spline connection of the spline groove and the spline shaft, and the positioning state of the two clamping jaws 5 is further improved.

As shown in fig. 3 and 5, according to another embodiment of the present invention, the stable flat grinding device further includes a limiting block connected to an end of the winding rod 16 away from the driving shaft 14, and a supporting block 20 connected to an inner wall of the mounting hole 13 and located on one side of the winding rod 16, in order to improve the precision of the spline groove and the spline shaft in the positioning process; the driving shaft 14 is rotated to enable the winding rod 16 to move, after the limiting block abuts against the abutting block 20, and when the sliding positioning table 3 abuts against the positioning block 11, the spline shaft is just embedded into the spline groove, so that the adjusting precision is improved.

When the positioning device is used, the positioning table 3 is positioned at the feeding initial end of the limiting track 2, a workpiece 21 is placed in the positioning table 3 for fixing, then the driving shaft 14 is rotated, and the driving shaft 14 stops rotating after the limiting block abuts against the abutting block 20; the sliding positioning table 3 abuts against the positioning block 11, the locking block 12 is moved to abut against the positioning table 3, the positioning table 3 is moved to the feeding tail end of the limiting track 2, the locking block 12 is fixed in position through the locking rod, and the spline shaft is just embedded into the spline groove at the moment; and simultaneously starting the plurality of cylinders 8 to enable the mounting plate 7 to drive the motor 9 to enable the flat grinding head 10 to move towards the workpiece 21, and when the flat grinding head 10 abuts against the surface to be ground at the top of the workpiece 21, starting the motor 9 to enable the flat grinding head 10 to grind the workpiece 21.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A stable flat grinding device is characterized by comprising a workbench, wherein a limiting rail is arranged on the workbench along the length direction of the workbench, a positioning table is connected to the limiting rail in a sliding and clamping manner, and a flat grinding assembly is arranged above the feeding tail end of the limiting rail;

2. A stabilized flat grinding device according to claim 1, wherein: the clamping jaw is a right-angle block, the intersection point of the clamping jaw is located at the turning position of the right-angle block, the pressing driving end and the clamping end are in one-to-one correspondence to form one of two end portions of the right-angle block, and an included angle is formed between the horizontal block section and the vertical block section of the right-angle block and the groove bottom of the clamping groove.

3. A stabilized flat grinding device according to claim 2, wherein: the adjustable fixing mechanism comprises a positioning block fixedly arranged at the feeding end of the limiting track and a locking piece arranged on the limiting track in a sliding mode, and the positioning table is located between the positioning block and the locking piece.

4. A stabilized flat grinding device according to claim 3, wherein: a positioning reinforcing mechanism is further arranged between the positioning block and the positioning table, a mounting hole positioned below the clamping groove is formed in the positioning table, the mounting hole comprises two traction inlets communicated with the clamping groove and a traction outlet arranged on the side wall, close to the positioning block, of the positioning table, the positioning reinforcing mechanism comprises a driving shaft and a positioning groove, the driving shaft is arranged on the traction outlet in a threaded penetrating mode, the positioning groove is formed in the positioning block, one end of the driving shaft is connected with a traction structure, the traction structure is arranged in the mounting hole, penetrates out of the two traction inlets, and then is connected with the pressing driving ends of the two clamping; the driving shaft is rotated to enable the traction structure to fix the clamping state of the clamping ends of the two clamping jaws, and the sliding positioning table enables the other end of the driving shaft to be embedded into the positioning groove for fixing.

5. A stabilized flat grinding device according to claim 4, wherein: draw the structure and include the kinking pole that links to each other with the drive shaft and be provided with the guide ring that is located kinking pole one side on the mounting hole inner wall, fixed winding has the initiative pull wire of wearing to establish in the mounting hole after passing the guide ring on the kinking pole, and the one end that the kinking pole was kept away from to the initiative pull wire is connected with two driven pull wires, and two driven pull wire one-to-ones are passed two and are drawn the import after and link to each other with the suppression drive end of two clamping jaws.

6. A stabilized flat grinding device according to claim 4, wherein: the locating slot is a spline slot, and one end of the driving shaft embedded into the locating slot is a spline shaft matched with the spline slot.

7. A stabilized flat grinding device according to claim 5, wherein: the end part of the winding rod, which is far away from the driving shaft, is connected with a limiting block, and the inner wall of the mounting hole is connected with a supporting block positioned on one side of the winding rod; the driving shaft is rotated to enable the winding rod to move, and after the limiting block abuts against the abutting block, the spline shaft is just embedded into the spline groove.

8. A stabilized flat grinding device according to any one of claims 1 to 7, wherein: the flat grinding component comprises a mounting frame connected to the workbench and a mounting plate arranged in the mounting frame, the mounting frame is sleeved outside the feeding end of the limiting track, the mounting plate is located above the feeding end of the limiting track, the mounting plate and the mounting frame are connected through a plurality of cylinders, a motor is fixedly connected to the middle of the mounting plate, and a flat grinding head is connected to an output shaft at the bottom of the motor.

9. A stabilized flat grinding device according to claim 3, wherein: the locking piece includes that the slip cover establishes the locking piece at spacing track top, and open threaded hole at locking piece top, threaded hole female connection has the locking pole that offsets with spacing track top.