CN217167529U

CN217167529U - End face hydraulic automatic drive plate

Info

Publication number: CN217167529U
Application number: CN202220084659.XU
Authority: CN
Inventors: 郭刚; 郭英涛
Original assignee: Ningxia Helan Machine Tool Accessory Factory
Current assignee: Ningxia Zhikong Energy Technology Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-12
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to the technical field of machining, and discloses an end face hydraulic automatic drive plate, which comprises a main body, a rotating mechanism, a jacking mechanism and a clamping mechanism; the rotating mechanism is arranged at one end of the main body and comprises a supporting plate fixedly connected with the main body, the supporting plate is rotatably connected with a rotating shaft, one side of the rotating shaft, which is close to the center of the device, is provided with a mounting seat, and the mounting seat is clamped with the clamping mechanism; the clamping mechanism comprises a fixed block connected with the mounting seat, a center tip and a driving knife are arranged at one end, close to the center of the device, of the fixed block, and a first sliding groove is formed in the center of the fixed block; the jacking mechanism is arranged at one end, far away from the rotating mechanism, of the main body and comprises a machine tool tailstock connected with the main body in a sliding mode, and a rotating center matched with the clamping mechanism is arranged on the machine tool tailstock. The utility model is suitable for an end face hydraulic automatic drive plate, through the top mutually supporting in drive sword and center on the fixed block for this device can realize pressing from both sides the difference operation tight and the location.

Description

End face hydraulic automatic drive plate

Technical Field

The utility model relates to a machining technology field specifically is an end face hydraulic automatic drive plate.

Background

In general, when a rotary part is machined, all the following steps are adopted: the conventional mode of "clamping, i.e. positioning", that has been used up to now: the self-centering chuck, the hydraulic chuck and the pneumatic chuck have the common characteristic that clamping and positioning are completed through one action, so that the reference of a part is changed when the part to be machined is re-clamped for two times or n times, and the concentricity of the excircle of the part cannot meet the technical requirement when the part is re-machined for two times or n times.

SUMMERY OF THE UTILITY MODEL

The utility model provides an end face hydraulic automatic drive plate has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an end face hydraulic automatic drive plate comprises a main body, a rotating mechanism, a jacking mechanism and a clamping mechanism;

the rotating mechanism is arranged at one end of the main body and comprises a supporting plate fixedly connected with the main body, the supporting plate is rotatably connected with a rotating shaft, one side of the rotating shaft, which is close to the center of the device, is provided with a mounting seat, and the mounting seat is clamped with the clamping mechanism;

the clamping mechanism comprises a fixed block connected with the mounting seat, a center tip and a driving knife are arranged at one end, close to the center of the device, of the fixed block, a first sliding groove is formed in the center of the fixed block and is connected with a piston in a sliding mode, a center tip is arranged at one side, close to the center of the device, of the piston, a second sliding groove is formed in the outer side of the fixed block and is connected with the driving knife in a sliding mode, an oil guide pipe is connected to one side, away from the center line of the device, of the second sliding groove, and the oil guide pipe and one end, away from the center of the device, of the first sliding groove are both communicated with an oil cavity formed in the fixed block;

the jacking mechanism is arranged at one end, far away from the rotating mechanism, of the main body and comprises a machine tool tailstock connected with the main body in a sliding mode, and a rotating center matched with the clamping mechanism is arranged on the machine tool tailstock.

As a preferred technical scheme of the utility model, the fixed block is solid of revolution structure, one side that the second spout is close to the device center is deflected towards the center of fixed block.

As an optimized technical scheme of the utility model, the one end that live center and center are close to the device center all is the toper structure.

As a preferred technical scheme of the utility model, be equipped with driving motor in the backup pad, the first band pulley of driving motor's output shaft fixed connection, first band pulley pass through the belt and connect second band pulley, second band pulley fixed connection pivot.

As an optimal technical scheme of the utility model, be equipped with the spout in the main part, spout sliding connection lathe tailstock.

As a preferred technical scheme of the utility model, the both sides of spout are equipped with the bearing frame, and the bearing frame rotates the both sides of connecting the lead screw, the middle part threaded connection lathe tailstock of lead screw.

The utility model discloses have following useful part:

the whole device is separated from the whole device in clamping and positioning, the biggest advantage is that the concentricity of a processed piece can be guaranteed after multiple clamping, the precision can reach one hundred percent, and the end face of the processed piece is abutted against a driving knife or a fixed block by means of the ejecting force of a tailstock of a machine tool so as to transmit the cutting torque, so that the efficiency is very high.

2 because the cutting torque is transmitted by the end surface of the processed part, the processed part does not need to be clamped and loosened by an operator, thereby greatly reducing the labor intensity of the worker.

3 because the processed workpiece is supported, the clamping head material does not need to be left, and the utilization rate of the material can be improved.

4 the connection of fixed block and lathe is through morse's cone insert the lathe main shaft can, several seconds just can accomplish, so change convenience very.

And 5, a hydraulic piston is arranged in the fixed block to form a closed communicating vessel device, so that each driving knife has the function of automatically adjusting unbalance, and normal cutting can be ensured when the end surface of the part is not parallel or not perpendicular to the axis within not more than two millimeters.

6 the driving knife or the center point is independent, and is convenient to replace under the condition of normal abrasion or cutting edge chipping.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an end face hydraulic automatic drive plate.

Fig. 2 is a schematic structural view of a clamping mechanism in an end face hydraulic automatic drive plate.

In the figure: 1. a main body; 2. a support plate; 3. a rotating shaft; 4. a second pulley; 5. a belt; 6. a first pulley; 7. a drive motor; 8. a mounting seat; 9. a clamping mechanism; 10. a chute; 11. a machine tool tailstock; 12. a screw rod; 13. a bearing seat; 14. a live center; 15. an oil chamber; 16. an oil guide pipe; 17. a second chute; 18. driving the knife; 19. a first chute; 20. a piston; 21. a center point; 22. a rotation mechanism; 23. a jacking mechanism; 24. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In one embodiment, referring to fig. 1 and 2, an end face hydraulic automatic drive plate comprises a main body 1, a rotating mechanism 22, a jacking mechanism 23 and a clamping mechanism 9;

the rotating mechanism 22 is arranged at one end of the main body 1 and comprises a supporting plate 2 fixedly connected with the main body 1, the supporting plate 2 is rotatably connected with a rotating shaft 3, one side of the rotating shaft 3 close to the center of the device is provided with an installation seat 8, and the installation seat 8 is clamped with the clamping mechanism 9;

the clamping mechanism 9 comprises a fixed block 24 connected with the mounting base 8, a center point 21 and a driving knife 18 are arranged at one end, close to the center of the device, of the fixed block 24, a first sliding groove 19 is arranged at the center of the fixed block 24, the first sliding groove 19 is connected with a piston 20 in a sliding mode, the center point 21 is arranged at one side, close to the center of the device, of the piston 20, a second sliding groove 17 is arranged on the outer side of the fixed block 24, the second sliding groove 17 is connected with the driving knife 18 in a sliding mode, an oil guide pipe 16 is connected to one side, far away from the center line of the device, of the second sliding groove 17, and the oil guide pipe 16 and one end, far away from the center of the device, of the first sliding groove 19 are both communicated with an oil cavity 15 arranged inside the fixed block 24;

the jacking mechanism 23 is arranged at one end of the main body 1 far away from the rotating mechanism 22 and comprises a machine tool tailstock 11 connected with the main body 1 in a sliding manner, and a rotating center 14 matched with the clamping mechanism 9 is arranged on the machine tool tailstock 11.

In one aspect of the present embodiment, the fixed block 24 is a solid structure, and a side of the second sliding groove 17 near the center of the device is deflected toward the center of the fixed block 24. The ends of the rotating center 14 and the center 21 close to the center of the device are both in a conical structure. The supporting plate 2 is provided with a driving motor 7, an output shaft of the driving motor 7 is fixedly connected with a first belt wheel 6, the first belt wheel 6 is connected with a second belt wheel 4 through a belt 5, and the second belt wheel 4 is fixedly connected with a rotating shaft 3. The main body 1 is provided with a sliding chute 10, and the sliding chute 10 is connected with a machine tool tailstock 11 in a sliding mode. And bearing seats 13 are arranged on two sides of the sliding chute 10, the bearing seats 13 are rotatably connected with two sides of a screw rod 12, and the middle part of the screw rod 12 is in threaded connection with a machine tool tailstock 11. The oil cavity 15 is formed in the left side of the fixing block 24, hydraulic oil is arranged inside the oil cavity 15, the middle of the right side of the oil cavity 15 is communicated with the first sliding groove 19, a plurality of oil guide pipes 16 are uniformly distributed outside the right side of the oil cavity 15, the oil guide pipes 16 are communicated with the second sliding groove 17, so that when the piston 20 moves left and right, the driving knife 18 and the center point 21 can move in a mutually adaptive mode, and the driving knife 18 can be set to be five.

The technical key of the device is as follows: the clamping and positioning two-separation technology ensures that the shaft parts are clamped and positioned without mutual interference during processing, thereby solving the problem that the positioning is unchanged when the processed parts are clamped for two times or n times, so that the concentricity of the excircle of the part is invariable after the parts are processed, and the precision can be ensured to reach one hundred percent!

The device utilizes the self rotating force of a machine tool main shaft, directly positions and installs a Morse taper hole of the machine tool main shaft and a rotating center 14 of a clamping mechanism 9, positions a processed workpiece and a center 21 through the jacking force of a machine tool tailstock 11, and transmits cutting torque between the end surface of the processed part and a driving tool 18 or the center 21 of the clamping mechanism 9 to finish the processing process.

When the clamping mechanism 9 is installed: the taper hole of the machine tool main shaft is utilized, the main shaft is the rotating shaft 3 on the device, the taper hole is arranged inside the mounting seat 8, and the taper shank at the tail part of the fixed block 24 is directly inserted into the taper hole of the main shaft, so the installation is very convenient and simple, the part to be processed only needs to align the central hole of the part to be processed to the central top 21 of the fixed block 24, the central hole of the other end of the part to be processed to the rotating top 14 on the tailstock 11 of the machine tool, and the part to be processed can be processed after the tailstock gives a certain tightening force of 1MPa-3MPa, and the precision problem does not need to be solved by the grinding machine any more!

Compare with traditional self-centering chuck, hydraulic chuck, air chuck: there is no longer a need for: manual clamping is realized, and a hydraulic work station is not required to be additionally arranged; the pneumatic workstation can save 50% of manpower, save 40% of power output, and improve the working efficiency by more than 80!

The device is positioned by a central hole of a workpiece, the two ends of a center point 21 on the clamping mechanism 9 are tightly pressed against the two ends of a rotating center 14 of the machine tool tailstock 11, when the machine tool tailstock 11 gives a certain pressing force of 1MPa-3MPa, the center point 21 on the clamping mechanism 9 moves backwards along with the pressing force, 5 driving cutters 18 on the clamping mechanism 9 extend out to be pressed against the section of the processed workpiece, and torque transmission is realized.

The utility model is suitable for an end face hydraulic automatic drive plate, through the drive sword 18 on the fixed block 24 and the top 21 of center mutually supporting for this device can realize pressing from both sides tightly and the operation respectively of location, and can move alone at the tight in-process of clamp drive sword 18, thereby make this device also enough stable when the centre gripping is irregular plane.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An end face hydraulic automatic drive plate is characterized by comprising a main body, a rotating mechanism, a jacking mechanism and a clamping mechanism;

the clamping mechanism comprises a fixed block connected with the mounting seat, a center tip and a driving knife are arranged at one end, close to the center of the device, of the fixed block, a first sliding groove is arranged at the center of the fixed block and is in sliding connection with a piston, a center tip is arranged at one side, close to the center of the device, of the piston, a second sliding groove is arranged on the outer side of the fixed block and is in sliding connection with the driving knife, an oil guide pipe is connected to one side, far away from the center line of the device, of the second sliding groove, and the oil guide pipe and one end, far away from the center of the device, of the first sliding groove are both communicated with an oil cavity arranged inside the fixed block;

2. The end face hydraulic automatic drive plate of claim 1, wherein the fixed block is a solid structure, and one side of the second sliding groove close to the center of the device is deflected toward the center of the fixed block.

3. The face hydraulic automatic drive plate of claim 1, wherein the ends of the live center and the center near the center of the device are both of a conical structure.

4. The end face hydraulic automatic drive plate as claimed in claim 1, wherein the support plate is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a belt, and the second belt wheel is fixedly connected with the rotating shaft.

5. The face hydraulic automatic drive plate of claim 1, wherein the main body is provided with a slide groove, and the slide groove is slidably connected with a tailstock of a machine tool.

6. The end face hydraulic automatic drive plate of claim 5, wherein two sides of the sliding groove are provided with bearing seats, the bearing seats are rotatably connected with two sides of a screw rod, and the middle part of the screw rod is in threaded connection with a machine tool tailstock.