CN216463884U - Taper shank grinding and polishing machine - Google Patents

Abstract

A taper shank grinding and polishing machine relates to the field of taper shank machining devices. Comprises a clamp, a polishing device, a first motor and a second motor. In the polishing device, one end of a taper shank driving shaft is used for fixing a taper shank, and the other end of the taper shank driving shaft is provided with a taper shank belt pulley; one end of the throwing disk main shaft is fixed with the throwing disk belt pulley, the other end of the throwing disk main shaft is fixed with the throwing disk, the throwing disk belt pulleys are linked through the throwing disk linkage belt, one throwing disk belt pulley is additionally arranged on any one throwing disk main shaft, and the second motor drives the additionally arranged belt pulley to drive the throwing disk to rotate. The clamp is used to secure the taper shank and provide axial and radial positioning therethrough. The modified taper shank can be directly polished after being ground, so that the surface roughness of the taper shank is improved, and the size of the taper shank is not changed. The contact area between the taper shank and the main shaft can be increased, and the positioning precision is improved.

Description

Taper shank grinding and polishing machine

Technical Field

The utility model relates to the field of taper shank processing devices, in particular to a taper shank grinding and polishing machine.

Background

At present, the spindle interfaces of various machining equipment are all conical surface structures. The conical surface, the surface roughness and the geometric accuracy play a decisive role in a tool shank connected with the main shaft and the like. With the great popularization of the high-speed electric spindle at present, the machining mode of more than ten thousand turns is gradually accepted. The precision of the combined surface of the taper shank and the main shaft at high speed greatly influences the stability of the main shaft, and the precise grinding and polishing of the surface of the taper shank can greatly improve the combined state of the combined surface, improve the precision of the taper shank and prolong the service life. At present, the market has no similar products, and most taper shanks have no polishing process after grinding. Part of high-end products are polished by a general abrasive polishing machine, so that the efficiency is low, and the geometric precision is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the efficiency is low and the geometric precision is reduced because a plurality of taper shanks are not polished after being ground or are polished by using a general abrasive polishing machine, the utility model adopts the following technical scheme:

a taper shank grinding and polishing machine comprises a clamp, a polishing device, a first driving device, a second substrate and a first substrate; the driving ends of the second driving device and the first driving device are fixedly provided with belt pulleys; the clamp is used for fixedly clamping the taper shank and fixedly arranged on the first substrate; the first substrate is provided with a fixing hole;

the polishing device comprises at least three disc throwing devices, a taper shank belt pulley, a disc throwing linkage belt, a taper shank driving shaft, a disc throwing driving belt and a taper shank driving belt; the taper shank driving shaft is arranged below the fixing hole and fixedly mounted on the second substrate, one end of the taper shank driving shaft is provided with a taper shank belt pulley, the other end of the taper shank driving shaft is used for fixing a taper shank, and the taper shank belt pulley is in transmission connection with a belt pulley of the first driving device through a taper shank driving belt; the disc throwing device comprises a disc throwing belt and a disc throwing main shaft; the polishing disc main shaft is fixedly arranged on the second substrate, two ends of the polishing disc main shaft are respectively and fixedly provided with a polishing disc belt pulley and a polishing disc, and the polishing disc belt pulleys of at least three polishing disc devices are in transmission connection through a polishing disc linkage belt; a disc throwing belt pulley is additionally arranged on any one disc throwing main shaft of the at least three disc throwing devices, and the additionally arranged disc throwing belt pulley is in transmission connection with a belt pulley of a second driving motor through a disc throwing driving belt; the throwing disk main shafts of at least three throwing disk devices are arranged around the taper shank driving shaft.

Specifically, there are three throwing disks.

Specifically, the clamp comprises at least three clamping units; the clamping unit comprises a swing arm, a connecting rod, a pressing wheel, a rotating shaft and a torsion spring; pinch roller fixed mounting is on the swing arm, and the taper shank is established in the pinch roller subsides, and pivot one end is installed perpendicularly on first base plate, and the other end and the swing arm of pivot are connected, and the torsional spring cover is located in the pivot and is located between first base plate and the swing arm, and the swing arm is supported to the one end of torsional spring, the other end and first base plate fixed connection. When the swing arm is pulled, the torsion spring provides a return moment; the swing arms of the at least three clamping units are arranged around the fixing hole, and the swing arms are connected in pairs through the connecting rods.

Specifically, the first driving device is an integrated speed reduction motor.

Specifically, the second driving device is an integrated speed reduction motor.

In summary, the apparatus of the present invention has the following advantages: the polishing device has the advantages that the taper shank can be directly polished after being ground, efficient polishing is achieved through the polishing device, the taper shank is fixed and limited through the clamping device in a matching mode, and accordingly automatic polishing of the taper shank is achieved. This improves taper shank surface roughness without changing taper shank dimensions.

Drawings

FIG. 1 is a schematic view of a taper shank grinder/polisher;

FIG. 2 is a top view of a fixture in a taper shank lapping and polishing machine;

FIG. 3 is a schematic view showing a structure of a polishing apparatus in a taper shank lapping and polishing machine;

FIG. 4 is a side view of a fixture in a taper shank grinder/polisher;

reference numerals: 1 a first motor; 2 a second motor; 3, a taper shank; 4, clamping; 5 a polishing device; 6 a second substrate; 7 a first substrate;

501, a first throwing disc; 502 second throw dish; 503 a third throwing disc; 504 a reel-throwing linkage belt; 505 a taper shank drive shaft; 506 a disc-throwing spindle; 507, driving a disc-throwing driving belt; 508 taper shank drive belts;

401 a first swing arm; 402 a second swing arm; 403 third swing arm; 404 a connecting rod; 405 a pinch roller; 406 a shaft.

Detailed Description

The present invention is further described below with reference to fig. 1 to 4.

A taper shank grinding and polishing machine comprises a clamp 4, a polishing device 5, a first driving device and a second driving device. The second driving device and the first driving device are both motors, respectively a first motor 1 and a second motor 2. In order to fix the jig 4 and the polishing apparatus 5, a first substrate 7 and a second substrate 6 are provided. The first substrate 7 is erected on the second substrate 6, and the second substrate 6 is fixedly connected with the first substrate 7 through a support column.

The polishing device 5 comprises three disc throwing devices, a taper shank belt pulley, a disc throwing linkage belt 504, a taper shank driving shaft 505, a disc throwing driving belt and a taper shank driving belt 508. In order to drive the taper shank to rotate for polishing and grinding, the taper shank driving shaft 505 is driven to rotate by the second motor 2 by connecting the taper shank driving shaft 505 with the taper shank 3. The second substrate 6 is provided with a fixing hole. Taper shank drive shaft 505 sets up in second base plate 6 below along the fixed orifices direction, and the one end of taper shank drive shaft 505 can be dismantled with taper shank 3 and be connected, and the other end of taper shank drive shaft 505 is equipped with the taper shank belt pulley, and first motor 1 is integrated gear motor, and the drive end fixed mounting of first motor 1 has the belt pulley, and the taper shank belt pulley passes through taper shank driving band 508 transmission with the belt pulley of first motor 1 and is connected, has realized the taper shank and has rotated like this.

In order to realize the grinding of the rotating taper shank, three disc throwing devices are arranged. Each disc throwing device comprises a disc throwing belt, a disc throwing spindle 506. The disc throwing main shaft 506 is fixedly arranged on the second substrate 6, and a disc throwing belt pulley and a disc throwing are respectively and fixedly arranged at two ends of the disc throwing main shaft 506. In order to grind the taper shank with the polishing disk, the polishing disk spindles 506 of the three polishing disk devices are arranged around the fixing hole. In order to drive the disc throwing device to rotate, a disc throwing belt pulley is additionally arranged on one disc throwing main shaft 506 of the three disc throwing devices, the additionally arranged disc throwing belt pulley is in transmission connection with a belt pulley of the second motor 2 through a disc throwing driving belt, and the second motor 2 is an integrated speed reducing motor. In order to realize synchronous rotation of the three throwing disks, the belt pulleys of the three throwing disk devices are in transmission connection through a throwing disk linkage belt 504.

In order to fixedly clamp the taper shank, a clamp 4 is provided. The jig 4 is fixedly mounted on the first substrate 7. The clamp 4 comprises three clamping units. Each clamping unit comprises a swing arm, a connecting rod 404, a pressing wheel 405, a rotating shaft 406 and a torsion spring. The pinch roller 405 is fixedly mounted on the swing arm, and the pinch roller 405 clings to the taper shank and is used for limiting the position of the taper shank. In order to adjust the position of the swing arm to realize self-adaptive clamping, the rotation shaft 406 and the torsion spring are matched with the swing arm to realize self-adaptive clamping. One end of the rotating shaft 406 is vertically installed on the first substrate 7, the other end of the rotating shaft 406 is connected with the swing arm, the rotating shaft 406 is sleeved with a torsion spring 407, one end of the torsion spring 407 props against the swing arm, and the other end is fixedly connected with the first substrate 7. When the swing arm is pulled, the torsion spring 407 provides a return torque. The swing arms of the three clamping units are connected around the fixing hole, and the swing arms are connected in pairs through connecting rods 404.

The working process of the device is as follows: the taper shank is mounted at one end of the taper shank driving shaft 505, and then the pinch roller 405 is tightly attached to the taper shank to fix the taper shank through the swing arm of the swing clamp 4. Then the first motor 1 and the second motor 2 are driven to realize the rotation of the special spindle for the throwing disk by the throwing disk and the rotation of the taper shank driving shaft 505, thereby realizing the polishing and the grinding of the taper shank. Besides, the rotating speed of the motor is controlled, and the polishing precision can be controlled. Through the polishing treatment of the equipment, the surface roughness can reach Ra 0.2-0.05, and the polishing of the single taper shank only needs 1-2 minutes.

As can be seen from the above description, the device has the following advantages:

1. realize the efficient through burnishing device and polish, the cooperation realizes the fixed spacing of taper shank through clamping device to the burnishing and polishing of automatic taper shank has been realized.

2. Can improve taper shank surface roughness by a wide margin through this burnishing machine, through this equipment polishing treatment, surface roughness can reach Ra 0.2 ~ 0.05.

3. The operation is simple and the efficiency is high, and the single-piece polishing only needs 1-2 minutes. Meanwhile, the equipment is low in cost, simple in structure and free of operation technical requirements. The whole machine has 450w of power, saves energy and protects environment.

It should be understood that the detailed description of the utility model is merely illustrative of the utility model and is not intended to limit the utility model to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the utility model.

Claims (5)

1. A taper shank grinding and polishing machine is characterized by comprising a clamp, a polishing device, a first driving device, a second substrate and a first substrate; the driving ends of the second driving device and the first driving device are fixedly provided with belt pulleys; the clamp is used for fixedly clamping the taper shank and fixedly arranged on the first substrate; the first substrate is provided with a fixing hole;

the polishing device comprises at least three disc throwing devices, a taper shank belt pulley, a disc throwing linkage belt, a taper shank driving shaft, a disc throwing driving belt and a taper shank driving belt; the taper shank driving shaft is arranged below the fixing hole and fixedly mounted on the second substrate, a taper shank belt pulley is arranged at one end of the taper shank driving shaft, the other end of the taper shank driving shaft is used for fixing a taper shank, and the taper shank belt pulley is in transmission connection with a belt pulley of the first driving device through the taper shank driving belt; the disc throwing device comprises a disc throwing belt and a disc throwing main shaft; the disc throwing main shaft is fixedly arranged on the second base plate, disc throwing belt pulleys and a disc throwing plate are respectively and fixedly arranged at two ends of the disc throwing main shaft, and the disc throwing belt pulleys of the at least three disc throwing devices are in transmission connection through the disc throwing linkage belt; a disc throwing belt pulley is additionally arranged on any one disc throwing main shaft of the at least three disc throwing devices, and the additionally arranged disc throwing belt pulley is in transmission connection with a belt pulley of the second driving device through the disc throwing driving belt; the disc throwing main shafts of the at least three disc throwing devices are arranged around the taper shank driving shaft.

2. The taper shank grinder/polisher in accordance with claim 1 wherein there are three polishing plates.

3. The taper shank grinding and polishing machine according to claim 1, wherein the jig includes at least three clamping units; the clamping unit comprises a swing arm, a connecting rod, a pressing wheel, a rotating shaft and a torsion spring; the pressing wheel is fixedly arranged on the swing arm, the pressing wheel is attached with a taper shank, one end of the rotating shaft is vertically arranged on the first substrate, and the other end of the rotating shaft is connected with the swing arm; the torsion spring is sleeved on the rotating shaft and positioned between the first base plate and the swing arm, one end of the torsion spring props against the swing arm, and the other end of the torsion spring is fixedly connected with the first base plate; the swing arms of the at least three clamping units are arranged around the fixing hole, and the swing arms are connected in pairs through connecting rods.

4. The taper shank grinder/polisher in accordance with claim 1 wherein the first drive means is an integral gear motor.

5. The taper shank grinder/polisher in accordance with claim 1 wherein the second drive means is an integral gear motor.

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