CN210060623U

CN210060623U - Coreless grinder

Info

Publication number: CN210060623U
Application number: CN201920570723.3U
Authority: CN
Inventors: 王波
Original assignee: Ningbo Yongshi Motor Co Ltd
Current assignee: Ningbo Yongshi Motor Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-02-14
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a centerless grinding machine, which also comprises a conveying device and a manipulator, wherein the conveying device comprises two conveying chains which are arranged in parallel, a plurality of V-shaped frames are arranged on the conveying chains, and two opposite V-shaped frames on the two conveying chains form a supporting frame; the manipulator comprises a sliding screw rod, a sliding block arranged on the sliding screw rod, two vertical cylinders respectively arranged at two ends of the sliding block, a feeding clamping jaw used for taking a workpiece out of the conveying device and placing the workpiece into the mill body, and an unloading clamping jaw used for taking the workpiece out of the mill body, wherein the feeding clamping jaw and the unloading clamping jaw are respectively arranged on piston rods of the two vertical cylinders. The conveying device is used for conveying, the feeding clamping jaw is used for feeding, and the discharging clamping jaw is used for discharging.

Description

Coreless grinder

Technical Field

The utility model relates to a grinding equipment technical field, in particular to centerless grinder.

Background

Centerless grinding is also called centerless grinding and is one type of grinding processing. The centerless grinding wheel is a grinding wheel which is arranged on a centerless grinding machine and used, and interacts with a guide wheel and a supporting plate to form a grinding mode.

The conventional centerless grinding machine processes step-free workpieces such as rollers, rod pieces, shafts and the like, so that the workpieces are fed into the centerless grinding machine in a plunge mode (namely, the workpieces are fed between a grinding wheel and a guide wheel along the axial lead direction of the workpieces). However, some shafts have different diameter sections, and such stepped shafts cannot be fed into the centerless grinding machine in a plunge manner due to their structure, and are not easy to be fed, resulting in reduced production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a centerless grinding machine, it can realize carrying out automatic transport to the echelonment axle, has the advantage that improves echelonment axle production efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a centerless grinding machine comprises a grinding machine body, a conveying device and a manipulator, wherein the conveying device comprises two conveying chains which are arranged in parallel, a plurality of V-shaped frames are arranged on the conveying chains, and two opposite V-shaped frames on the two conveying chains form a supporting frame; the manipulator comprises a sliding screw rod, a sliding block arranged on the sliding screw rod, two vertical cylinders respectively arranged at two ends of the sliding block, a feeding clamping jaw used for taking a workpiece out of the conveying device and placing the workpiece into the mill body, and an unloading clamping jaw used for taking the workpiece out of the mill body, wherein the feeding clamping jaw and the unloading clamping jaw are respectively arranged on piston rods of the two vertical cylinders.

According to the arrangement, a workpiece is placed on the support frame and is conveyed through the conveying device, when the workpiece needs to be fed, the vertical cylinder drives the feeding clamping claw to move downwards to clamp the workpiece, the vertical cylinder drives the feeding cylinder to move upwards and reset after clamping is completed, then the sliding screw rod rotates to drive the sliding block to slide, the feeding clamping claw and the workpiece are driven to be above the mill body together, the vertical cylinder is started again to move downwards to place the workpiece into the mill body, the feeding clamping claw is released, and the feeding clamping claw resets after placement is completed; similarly, the discharging clamping jaw and the feeding clamping jaw perform the same action, but different from the feeding clamping jaw, the discharging clamping jaw and the feeding clamping jaw are used for taking out a machined workpiece from the mill body, and under the action of the rodless cylinder, the discharging clamping jaw and the feeding clamping jaw can achieve a good synchronous effect.

More preferably: the feeding clamping jaw and the discharging clamping jaw are both clamping cylinders.

More preferably: the feeding clamping claw comprises two clamping claws and two connecting parts arranged on two clamping arms of the clamping cylinder, an adjusting groove penetrating through the upper end face and the lower end face of each connecting part is formed in each connecting part, and each clamping claw penetrates through the adjusting groove through a connecting bolt to be connected to each connecting part.

So set up, the formation of centre gripping cylinder is certain, and its length of different work pieces is different, can lead to unable centre gripping, consequently, through the setting of adjustment tank on the connecting portion, initial distance between the volume centre gripping tongs can be adjusted to can carry out corresponding regulation according to work piece length, ensure to carry out the centre gripping to the work piece of different length.

More preferably: the clamping gripper comprises a gripper body and a connecting block used for being connected with the connecting portion, a long waist-shaped hole is formed in the connecting block, and the gripper body penetrates through the long waist-shaped hole through a fixing bolt to be connected onto the connecting block.

According to the arrangement, the clamping hand can be adjusted according to the position of the support frame, so that the clamping hand is opposite to the position of the workpiece, the workpiece can be accurately grasped, and the influence on the production and use of the clamping hand caused by errors generated by installation can be avoided.

More preferably: the end of the gripper body is provided with a clamping groove, the connecting block is provided with a convex block matched with the clamping groove, and the fixing bolt penetrates through the clamping groove and the convex block.

So set up, improve tongs body and connecting block and be connected to intensity and stability, avoid tongs body to take place to rotate around fixing bolt.

More preferably: the grinding machine body is provided with a grinding wheel, a guide wheel and a supporting plate, the supporting plate is positioned between the grinding wheel and the guide wheel, and an avoiding groove is formed in the supporting plate; and the side walls of the grinding wheel and the guide wheel are provided with depressions matched with the workpiece.

So set up, the structure setting of emery wheel and guide pulley and work piece adaptation realizes polishing each face of work piece, and the setting of dodging the groove can make stable the placing on the layer board of work piece.

More preferably: and a cooling water gun is arranged above the supporting plate.

So set up, the cooling squirt cools off work piece and emery wheel.

More preferably: the muzzle of the cooling water gun is arranged in a straight line shape parallel to the axial lead of the grinding wheel.

So set up, have great cooling area.

More preferably: the cooling water gun is characterized in that a guide plate is arranged above the supporting plate, a muzzle of the cooling water gun faces the guide plate, the lower end of the guide plate is obliquely arranged towards the grinding wheel, and the grinding wheel rotates clockwise.

According to the arrangement, water flow is firstly sprayed onto the guide plate, then flows onto the grinding wheel through the guide of the guide plate, and the grinding wheel is firstly cooled, so that the temperature of the grinding wheel is lower when the grinding wheel is contacted with a workpiece; in addition, cooling water can be alternately conveyed to the workpiece along the sand, so that the workpiece is further cooled; in addition, because the water current flows down along the grinding wheel, splashing is not easy to occur.

To sum up, the utility model discloses following beneficial effect has:

1. automatic feeding and discharging are realized through the arrangement of the conveying device and the manipulator;

2. due to the arrangement of the guide plate, the cooling effect is improved, and meanwhile water flow splashing is not easy to occur.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic structural view of a mill body in the present embodiment;

FIG. 3 is a schematic view of the structure of the conveying apparatus in this embodiment;

fig. 4 is a schematic structural view of the feeding jaw in the embodiment.

In the figure, 100, mill body; 110. a grinding wheel; 120. a guide wheel; 130. a support plate; 140. cooling a water gun; 150. a guide plate; 200. a conveying device; 210. a conveying chain; 220. a V-shaped frame; 300. a manipulator; 310. a sliding screw rod; 320. a slider; 330. a vertical cylinder; 340. a feeding clamping jaw; 350. a discharge clamping jaw; 360. a clamping cylinder; 370. a connecting portion; 371. an adjustment groove; 380. clamping the gripper; 381. connecting blocks; 382. the gripper body; 383. a long waist-shaped hole; 384. fixing the bolt; 390. a connecting bolt; 400. and (5) a workpiece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

A centerless grinding machine is shown in fig. 1 and comprises a grinding machine body 100, a conveying device 200 and a manipulator 300, and referring to fig. 2, a grinding wheel 110, a guide wheel 120 and a supporting plate 130 are arranged on the grinding machine body, wherein the supporting plate 130 is located between the grinding wheel 110 and the guide wheel 120, an avoiding groove is arranged on the supporting plate 130, and recesses matched with a workpiece 400 are arranged on the side walls of the grinding wheel 110 and the guide wheel 120.

A cooling water gun 140 and a guide plate 150 are arranged above the supporting plate 130, wherein the cooling water gun 140 is mounted on the grinding machine body, and a muzzle of the cooling water gun 140 is arranged in a straight line parallel to the axial lead of the grinding wheel 110.

The deflector 150 is disposed above the supporting plate 130, and is located on one side of the cooling water gun 140, and the muzzle of the cooling water gun 140 is inclined downward and disposed toward the deflector 150, and in addition, the lower end of the deflector 150 is inclined toward the grinding wheel 110, and when being polished, the grinding wheel 110 rotates clockwise.

As shown in fig. 1, the conveying device 200 is disposed at one side of the mill body 100, and referring to fig. 3, it includes two conveying chains 210 disposed in parallel, V-shaped frames 220 are disposed on the links of the conveying chains 210, two opposite V-shaped frames 220 on the two conveying chains 210 form a supporting frame, and the workpiece 400 is placed on the supporting frame.

As shown in fig. 1, the manipulator 300 includes a sliding screw 310, a slider 320, two vertical cylinders 330, a loading gripper 340 and an unloading gripper 350, wherein the slider 320 is connected to the sliding screw 310 in a sliding manner, and the slider 320 is controlled to slide on the sliding screw 310 by driving the screw to rotate in a motor-driven manner.

Two vertical cylinders 330 are fixedly arranged at two ends of the sliding block 320, and the feeding clamping jaw 340 and the discharging clamping jaw 350 are respectively arranged on piston rods of the two vertical cylinders 330.

Referring to fig. 4, the feeding gripper 340 and the discharging gripper 350 are both a clamping cylinder 360, the feeding gripper 340 includes two clamping grippers 380 and two connecting portions 370, the two connecting portions 370 are fixedly mounted on the two clamping arms of the clamping cylinder 360, and the connecting portions 370 are provided with an adjusting groove 371 penetrating the upper and lower end faces of the connecting portions 370.

The clamping grip 380 includes a grip body 382 and a connection block 381, and the connection block 381 is connected to the connection portion 370 through the adjustment groove 371 by a connection bolt 390. A long waist-shaped hole 383 is formed in the connecting block 381, and the hand grip body 382 is connected to the connecting block 381 through the long waist-shaped hole 383 by a fixing bolt 384. The end of the gripper body 382 is provided with a clamping groove, the connecting block 381 is provided with a convex block matched with the clamping groove, and the fixing bolt 384 penetrates through the clamping groove and the convex block.

Wherein the structure of the discharging clamping jaw 350 is the same as that of the feeding clamping jaw 340.

The working principle is as follows: the workpiece 400 is placed on the support frame, conveyed to the lower side of the robot 300 by the conveying device 200, and then stopped.

Then the vertical cylinder 330 is started to drive the feeding clamping claw 340 to move downwards to clamp the workpiece 400, and after clamping is completed, the vertical cylinder 330 drives the feeding cylinder to move upwards to reset. Meanwhile, when the feeding clamping jaw 340 takes materials, the discharging clamping jaw 350 also moves downwards under the action of the vertical cylinder 330, and then the workpiece 400 which is processed in the centerless grinding machine is taken out and is driven by the vertical cylinder 330 to move upwards for resetting.

Then the sliding screw rod 310 rotates under the action of the motor to drive the sliding block 320 to slide until the feeding clamping jaw 340 reaches the upper part of the mill body 100, at the moment, the two vertical cylinders 330 simultaneously drive the discharging clamping jaw 350 and the feeding clamping jaw 340 to move downwards, the feeding clamping jaw 340 places the workpiece 400 on the centerless mill, the discharging clamping jaw 350 also places the completed workpiece 400 at a corresponding position, and then the discharging clamping jaw 350 and the feeding clamping jaw 340 are reset to initial positions.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. A centerless grinding machine, comprising a grinding machine body (100), characterized in that: the mechanical arm mechanism is characterized by further comprising a conveying device (200) and a mechanical arm (300), wherein the conveying device (200) comprises two conveying chains (210) which are arranged in parallel, a plurality of V-shaped frames (220) are arranged on the conveying chains (210), and two opposite V-shaped frames (220) on the two conveying chains (210) form supporting frames; the manipulator (300) comprises a sliding screw rod (310), a sliding block (320) arranged on the sliding screw rod (310), two vertical cylinders (330) respectively arranged at two ends of the sliding block (320), a feeding clamping jaw (340) used for taking the workpiece (400) out of the conveying device (200) and placing the workpiece into the mill body (100), and a discharging clamping jaw (350) used for taking the workpiece (400) out of the mill body (100), wherein the feeding clamping jaw (340) and the discharging clamping jaw (350) are respectively arranged on piston rods of the two vertical cylinders (330).

2. A centerless grinding machine as defined in claim 1 wherein: the feeding clamping jaw (340) and the discharging clamping jaw (350) are both clamping cylinders (360).

3. A centerless grinding machine as defined in claim 2 wherein: the feeding clamping jaw (340) comprises two clamping grippers (380) and two connecting parts (370) arranged on two clamping arms of the clamping cylinder (360), an adjusting groove (371) penetrating through the upper end face and the lower end face of the connecting part (370) is formed in the connecting part (370), and the clamping grippers (380) penetrate through the adjusting groove (371) through a connecting bolt (390) to be connected onto the connecting part (370).

4. A centerless grinding machine as defined in claim 3 wherein: the clamping gripper (380) comprises a gripper body (382) and a connecting block (381) used for being connected with the connecting portion (370), a long waist-shaped hole (383) is formed in the connecting block (381), and the gripper body (382) penetrates through the long waist-shaped hole (383) through a fixing bolt (384) to be connected onto the connecting block (381).

5. A centerless grinding machine as defined in claim 4 wherein: the end part of the gripper body (382) is provided with a clamping groove, the connecting block (381) is provided with a convex block matched with the clamping groove, and the fixing bolt (384) penetrates through the clamping groove and the convex block.

6. A centerless grinding machine as defined in claim 1 wherein: the grinding machine comprises a grinding machine body (100), a guide wheel (120) and a supporting plate (130), wherein the grinding wheel (110), the guide wheel (120) and the supporting plate (130) are arranged on the grinding machine body (100), the supporting plate (130) is located between the grinding wheel (110) and the guide wheel (120), and an avoiding groove is formed in the supporting plate (130); and the side walls of the grinding wheel (110) and the guide wheel (120) are provided with recesses matched with the workpiece (400).

7. A centerless grinding machine as defined in claim 6 wherein: and a cooling water gun (140) is arranged above the supporting plate (130).

8. A centerless grinding machine as defined in claim 7 wherein: the muzzle of the cooling water gun (140) is arranged in a straight line shape parallel to the axial lead of the grinding wheel (110).

9. A centerless grinding machine as defined in claim 7 or 8 wherein: a guide plate (150) is arranged above the supporting plate (130), a muzzle of the cooling water gun (140) faces the guide plate (150), the lower end of the guide plate (150) is obliquely arranged towards the grinding wheel (110), and the grinding wheel (110) rotates clockwise.