CN207077324U - More apparent grinding clamps of size cylindrical workpiece - Google Patents

Abstract

The utility model discloses a kind of more apparent grinding clamps of size cylindrical workpiece, including sliding equipment and clamp mechanism, the sliding equipment includes bottom plate, two closed slides being arranged on bottom plate and the sliding block coordinated with guide rail, the clamp mechanism includes the first connecting plate, second connecting plate, driving shaft, driven shaft and limit assembly, the limit assembly is used for the motion for limiting polishing workpiece, first connecting plate and the second connecting plate are connected with the sliding block, the driving shaft and driven shaft are separately fixed on first connecting plate and the second connecting plate, and can by the sliding block along guide rail direction it is close to each other or separation.The apparent grinding clamp of the utility model cylindrical work can be adjusted according to the size of workpiece to be polished to grinding clamp, with wider applicability, workpiece with grinding clamp uniform rotation, can effectively control the polishing precision of workpiece, improve grinding efficiency in bruting process simultaneously.

Description

Grinding Fixture for Multi-size Cylindrical Workpiece

technical field

The utility model belongs to the field of mechanical processing and manufacturing, in particular to a fixture for grinding the surface of a multi-size cylindrical workpiece.

Background technique

In industrial production, the outer surface of many cylindrical workpieces needs to be polished to improve the surface finish or reduce the surface roughness. At present, the workpiece is generally clamped on the lathe spindle to rotate, and the grinding machine contacts the surface of the workpiece with a certain pressure to complete the grinding. However, when the workpiece When the shaft diameter is large (D>400mm), it is difficult to clamp the workpiece on the lathe or even cannot be fixed on the lathe. At the same time, when the long diameter of the workpiece is relatively large, it is easy to cause apparent damage to the workpiece or machining eccentricity during the grinding process, thus affecting The machining accuracy of the workpiece.

Utility model content

The purpose of the utility model is to provide a cylindrical workpiece appearance grinding fixture with simple structure and wider applicability, which can effectively solve the problem of grinding the appearance of large cylindrical workpieces.

In order to achieve the above purpose, the utility model provides a multi-size cylindrical workpiece surface grinding fixture, including a sliding mechanism and a clamp mechanism fixed on the sliding mechanism, the sliding mechanism includes a bottom plate, two parallel guide rails fixed on the bottom plate With the slider matched with the guide rail, the clamp mechanism includes a first connecting plate, a second connecting plate, a limit assembly, a motor 1, a drive shaft connected and fixed with the motor 1, and a driven shaft arranged in parallel with the drive shaft. The limit assembly is used to limit the movement of the grinding workpiece, the two ends of the first connecting plate and the second connecting plate are fixed with sliders matching the guide rails, and the driving shaft and the driven shaft are respectively fixed on the The first connecting plate and the second connecting plate are arranged vertically to the guide rail, and the driving shaft and the driven shaft can approach or separate from each other along the direction of the guide rail through the slider.

Preferably, the sliding mechanism also includes a motor base, a motor II fixed on the motor base, a driving synchronous pulley connected to the motor II, a synchronous belt, a driven synchronous pulley, a positive and negative screw rod, The positive and negative screw nuts and the positive and negative screw nut seats on the screw rod, the driven synchronous wheel is connected with the active synchronous pulley through a synchronous belt, and the active synchronous pulley is driven by the motor II through The synchronous belt drives the driven synchronous pulley to rotate, and the positive and negative screw rods are connected with the driven synchronous wheel to realize forward and reverse rotation under the action of the driven synchronous wheel.

Preferably, the first connecting plate and the second connecting plate are respectively threaded and fixed on two positive and negative screw nut seats, and when the positive and negative screw rods rotate, the two positive and negative screw nut seats fixed on the positive and negative screw rods They will approach or separate from each other, thereby driving the first connecting plate and the second connecting plate fixedly connected thereto to approach or separate.

Preferably, the first connecting plate and the second connecting plate can be fixed on the guide rail through a slider fixedly connected thereto, and further preferably, the slider, the guide rail, the first connecting plate and the second connecting plate can be Disassemble the threaded connection to secure it.

Preferably, the sliding mechanism further includes an inductor connected to the motor II for monitoring and feeding back the position information of the positive and negative nut seats, and when the positive and negative nut seats are at the limit position, the motor II can be actively disconnected .

Preferably, the drive shaft is fixed on the fixing plate through a bearing and a bearing seat.

Preferably, the grinding fixture further includes a plurality of driving wheels, and the driving wheels are fixed on the driving shaft and rotate with the driving shaft.

Preferably, the grinding jig further includes a driven wheel fixed on the driven shaft and freely rotatable.

Preferably, the limit assembly is a pair of limit rollers.

Preferably, the grinding jig further includes a metal protective cover and a flexible protective belt, the fixed plate, the metal protective cover and the flexible protective belt form a sealed structure, and the sliding mechanism is placed in the sealed structure to prevent dust from entering.

Preferably, the limit roller is detachably fixed on the driven shaft.

Preferably, the lower end of the limiting roller has a mounting portion, the mounting portion is movably connected to the driven shaft, and the roller can move left and right along the driven shaft.

As mentioned above, the utility model provides a multi-size cylindrical workpiece surface grinding fixture, including a sliding mechanism and a clamping mechanism, and the sliding mechanism includes a bottom plate, two parallel guide rails fixed on the bottom plate, and a slider that cooperates with the guide rails , the clamp mechanism includes a first connecting plate, a second connecting plate, a limit assembly, a motor 1, a driving shaft connected and fixed with the motor 1, and a driven shaft parallel to the driving shaft, the first connecting plate and the second Slide blocks are fixed at both ends of the two connecting plates, and the driving shaft and the driven shaft are respectively fixed on the first connecting plate and the second connecting plate, and approach or separate from each other along the direction of the guide rail through the sliding blocks. The utility model cylindrical workpiece surface grinding jig can adjust the grinding jig according to the size of the workpiece to be polished, can effectively meet the requirements for the apparent grinding of cylindrical workpieces of different sizes, and at the same time solve the difficulty or inability to process large-sized workpieces in the traditional way It has more general practicability, and at the same time, the workpiece rotates with the grinding fixture at a constant speed during the grinding process, which can effectively control the grinding accuracy of the workpiece and improve the grinding efficiency.

Description of drawings

Fig. 1 is a structural schematic diagram of a multi-size cylindrical workpiece apparent grinding fixture of the utility model;

Fig. 2 Schematic diagram of the sliding mechanism of the apparent grinding fixture for the cylindrical workpiece shown in Fig. 1;

Fig. 3 is a schematic diagram of the apparent grinding fixture for a cylindrical workpiece with a protective structure of the utility model.

Detailed ways

In order to describe the technical content, component structure, achieved purpose and effect of the present utility model in detail, it will be described in detail below in conjunction with the accompanying drawings.

Please refer to Fig. 1 to Fig. 3, the utility model provides a kind of multi-size cylindrical workpiece apparent grinding fixture, comprises sliding mechanism 100 and the fixture mechanism 200 that is fixed on the sliding mechanism, and described sliding mechanism 100 comprises bottom plate 101, is fixed on Two parallel guide rails 102 on the base plate and the slide block 109 that cooperates with the guide rails, the clamp mechanism 200 includes a first connecting plate 201, a second connecting plate 202, a limit assembly 203, a motor 1 204, and a motor 1 that is connected and fixed. The driving shaft 205 and the driven shaft 206 arranged in parallel with the driving shaft, the limit assembly 203 is used to limit the movement of the grinding workpiece, the two ends of the first connecting plate 201 and the second connecting plate 202 are fixed with the The sliding block 109 matched with the guide rail, the driving shaft 205 and the driven shaft 206 are respectively fixed on the first connecting plate 201 and the second connecting plate 202, and are arranged in a vertical direction with the guide rail 102. The shaft 205 and the driven shaft 206 can approach or separate from each other along the guide rail direction through the slider 109 .

Preferably, the sliding mechanism 100 also includes a motor base 103, a motor II 104 fixed on the motor base, a driving synchronous pulley 105 connected to the motor II, a synchronous belt 106, a driven synchronous pulley 107, positive and negative wires Rod 108, positive and negative screw nuts 110 and positive and negative screw nut seats 111 fixed on the positive and negative thread screw rods, the driven synchronous wheel 107 is connected with the active synchronous pulley 105 through a synchronous belt 106, the The active synchronous pulley 105 drives the driven synchronous pulley 107 to rotate through the synchronous belt 106 under the effect of the motor II, and the positive and negative tooth screw mandrel 108 is connected with the driven synchronous pulley 107, and under the action of the driven synchronous pulley 107 Realize positive and negative rotation.

Preferably, the first connecting plate 201 and the second connecting plate 202 are respectively threaded and fixed on the two positive and negative screw nut seats 111. When the positive and negative screw rods rotate, the two positive and negative screw rods fixed on the positive and negative screw rods will The anti-nut seats will approach or separate from each other, thereby driving the first connecting plate and the second connecting plate fixedly connected thereto to approach or separate.

Preferably, the first connecting plate and the second connecting plate can be fixed on the guide rail through a slider fixedly connected thereto, and further preferably, the slider, the guide rail, the first connecting plate and the second connecting plate can be Disassemble the threaded connection to secure it.

Preferably, the sliding mechanism 100 also includes an inductor 112, which is connected to the motor II for monitoring and feeding back the position information of the positive and negative nut seats. When the positive and negative nut seats are at the limit position, the motor II can actively disconnect.

Preferably, the drive shaft is fixed on the fixing plate through a bearing and a bearing seat.

Preferably, the grinding jig 200 further includes a plurality of driving wheels 207, and the driving wheels are fixed on the driving shaft 205 and rotate with the driving shaft.

Preferably, the grinding jig 200 further includes a driven wheel 208 fixed on the driven shaft 206 and freely rotatable.

Preferably, the limit assembly 203 is a pair of limit rollers.

Preferably, the grinding fixture also includes a metal protective cover 113 and a flexible protective belt 114, the fixed plate, the metal protective cover and the flexible protective belt form a sealed structure, and the sliding mechanism is placed in the sealed structure to prevent dust Enter.

Preferably, the limit roller is detachably fixed on the driven shaft.

Preferably, the lower end of the limiting roller has a mounting portion, the mounting portion is movably connected to the driven shaft, and the roller can move left and right along the driven shaft.

In summary, the utility model provides a multi-size cylindrical workpiece apparent grinding fixture, including a sliding mechanism 100 and a fixture mechanism 200 fixed on the sliding mechanism, the sliding mechanism 100 includes a base plate 101, a base plate fixed on the base plate Two parallel guide rails 102 and the slide block 109 that cooperates with the guide rails, the clamp mechanism 200 includes a first connecting plate 201, a second connecting plate 202, a limit assembly 203, a motor 1 204, and a driving shaft 205 connected and fixed with the motor 1 And the driven shaft 206 arranged parallel to the driving shaft, the limit assembly 203 is used to limit the movement of the grinding workpiece, the two ends of the first connecting plate 201 and the second connecting plate 202 are fixed with The slider 109, the driving shaft 205 and the driven shaft 206 are respectively fixed on the first connecting plate 201 and the second connecting plate 202, and are arranged perpendicular to the guide rail 102, the driving shaft 205 and The driven shafts 206 can approach or separate from each other along the guide rail direction through the slider 109 . The apparent grinding jig of the cylindrical workpiece of the utility model can adjust the grinding jig according to the size of the workpiece to be polished, and has wider applicability. At the same time, the workpiece rotates with the grinding jig at a uniform speed during the grinding process, which can effectively control the grinding accuracy of the workpiece. Improve grinding efficiency.

Claims (11)

1. a kind of more apparent grinding clamps of size cylindrical workpiece, it is characterised in that including sliding equipment and be fixed on skate machine Clamp mechanism on structure, the sliding equipment include bottom plate, two closed slides being fixed on bottom plate and coordinated with guide rail Sliding block, the clamp mechanism include the first connecting plate, the second connecting plate, limit assembly, motor I, the master being connected with motor I Moving axis and the driven shaft being be arranged in parallel with driving shaft, the limit assembly are used for the motion for limiting polishing workpiece, and described first connects Fishplate bar and the second connecting plate are connected with the sliding block, and the driving shaft and driven shaft are separately fixed at the first connecting plate and second and connected On fishplate bar, and set in vertical direction with the guide rail, the driving shaft and driven shaft can be mutual along guide rail direction by sliding block Close or separation.

A kind of 2. more apparent grinding clamps of size cylindrical workpiece as claimed in claim 1, it is characterised in that the skate machine Structure also includes motor cabinet, motor II, the active synchronization belt wheel being connected with motor II, timing belt, driven synchronous pulley, positive and negative tooth silk Bar, forward lead screw nut and forward lead screw nut seat, the driven synchronizing wheel are connected by timing belt and the active synchronization belt wheel Connect, the positive and negative tooth screw mandrel is connected with the driven synchronizing wheel.

3. a kind of more apparent grinding clamps of size cylindrical workpiece as claimed in claim 2, it is characterised in that described first connects Fishplate bar and the second connecting plate are threadedly secured on two forward lead screw nut seats respectively.

4. a kind of more apparent grinding clamps of size cylindrical workpiece as claimed in claim 2, it is characterised in that described first connects Fishplate bar and the second connecting plate can be fixed on guide rail by the sliding block of connection fixed thereto.

A kind of 5. more apparent grinding clamps of size cylindrical workpiece as claimed in claim 2, it is characterised in that the skate machine Structure also includes inductor.

A kind of 6. more apparent grinding clamps of size cylindrical workpiece as claimed in claim 1, it is characterised in that the driving shaft It is fixed on by bearing and bearing block in fixed plate.

A kind of 7. more apparent grinding clamps of size cylindrical workpiece as claimed in claim 1, it is characterised in that the polishing folder Tool also includes multiple driving wheels, and the driving wheel is fixed on driving shaft, and is rotated with driving shaft.

A kind of 8. more apparent grinding clamps of size cylindrical workpiece as claimed in claim 1, it is characterised in that the polishing folder Tool also includes being fixed on driven pulley free to rotate on driven shaft.

A kind of 9. more apparent grinding clamps of size cylindrical workpiece as described in any one of claim 1 to 8, it is characterised in that The limit assembly is a pair of spacing rollers, and the spacing roller is detachably secured on driven shaft.

10. a kind of more apparent grinding clamps of size cylindrical workpiece as claimed in claim 9, it is characterised in that described spacing Roller lower end has installation portion, the installation portion and the movable connection of driven shaft, and the roller can be along driven shaft or so activity.

A kind of 11. more apparent grinding clamps of size cylindrical workpiece as claimed in claim 9, it is characterised in that the polishing Fixture also includes shelter-clad and flexible protective band, the fixed plate, shelter-clad and the sealing of flexible protective band composition one Structure, the sliding equipment are placed in the sealing structure, prevent dust from entering.