CN210649580U

CN210649580U - Rotary clamping device of numerical control machine tool

Info

Publication number: CN210649580U
Application number: CN201921435213.1U
Authority: CN
Inventors: 石国军
Original assignee: Gansu Institute of Mechanical and Electrical Engineering
Current assignee: Gansu Institute of Mechanical and Electrical Engineering
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2020-06-02
Anticipated expiration: 2029-08-31

Abstract

The utility model relates to the technical field of machining, a digit control machine tool rotary clamping device is disclosed, including table surface, the table surface middle part is rotated and is connected the pivot, pivot upper end fixed connection rolling disc, and the middle part of rolling disc is equipped with the spout, and both ends are equipped with the fixed plate around the spout, both sides sliding connection slider around the spout, slider upper portion are equipped with the fixed block, two the face that the fixed block is relative is equipped with the grip block, the back fixed plate upper portion is equipped with a driving motor, a driving motor's output shaft fixed connection lead screw, and the both ends threaded connection of lead screw is two the slider. The utility model is suitable for a rotatory clamping device of digit control machine tool sets up through the both ends at the lead screw and revolves to opposite screw for lead screw pivoted in-process, two grip blocks are close to the motion each other or keep away from the motion each other, thereby guarantee that the work piece is put by the central point that is in the device behind the clamp, make whole course of working simpler, improved machining efficiency.

Description

Rotary clamping device of numerical control machine tool

Technical Field

The utility model relates to the technical field of machining, specifically a digit control machine tool rotary clamping device.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing. When the numerical control machine tool is used for machining a workpiece, the workpiece needs to be clamped, and the clamping direction needs to be adjusted according to different machining positions.

Chinese patent (publication No. CN 207930345U) discloses a rotary clamping device of a numerical control machine tool, which comprises a fixed bottom plate, wherein a first supporting platform is welded on the outer wall of one side of the bottom of the fixed bottom plate, a second supporting platform is welded on the outer wall of one side of the fixed bottom plate, fixed lug seats are welded on the outer walls of two sides of the first supporting platform and the second supporting platform respectively, a fixing bolt is connected with the inner wall of each fixed lug seat in a threaded manner, a fixed base is welded on the outer wall of the top of the second supporting platform, a fixed tong seat is welded on the outer wall of the top of the fixed base, a connecting rod is welded on the outer wall of the top of the fixed tong seat, and fixed tong heads are welded on the outer wall of the top of the connecting rod, although the device can clamp a workpiece, because one of the two tong heads is fixed and moves, the center of the clamped, therefore, in the subsequent processing process, the processing surface of the workpiece needs to be centered for many times, which affects the processing progress, and therefore, the device needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a digit control machine tool rotary clamping device has solved the problem of proposing among the above-mentioned background art.

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

the utility model provides a digit control machine tool rotary clamping device, includes table surface, and the table surface middle part is rotated and is connected the pivot, and pivot upper end fixed connection rolling disc, the middle part of rolling disc are equipped with the spout, and both ends are equipped with the fixed plate around the spout, both sides sliding connection slider around the spout, slider upper portion are equipped with the fixed block, two the face that the fixed block is relative is equipped with the grip block, the back fixed plate upper portion is equipped with a driving motor, a driving motor's output shaft fixed connection lead screw, and the both ends threaded connection of lead screw is two the slider.

As an optimized technical scheme of the utility model, the both ends of lead screw are equipped with the opposite screw thread of direction of rotation.

As an optimal technical scheme of the utility model, it is positive fixed plate upper portion is equipped with the bearing frame, and the bearing frame rotates the tip of connecting the lead screw.

As an optimal technical scheme of the utility model, table surface's lower part is equipped with second driving motor, the first band pulley of second driving motor's output shaft fixed connection, and first band pulley passes through the belt and connects second band pulley, second band pulley fixed connection pivot lower extreme.

As an optimized technical scheme of the utility model, the lower surface left and right sides of table surface is equipped with the dead lever.

As an optimal technical scheme of the utility model, the cross-section of slider and fixed block is L shape.

As a preferred technical scheme of the utility model, slider upper portion is equipped with the screw hole, screw hole threaded connection fastening screw, fastening screw upper portion through connection fixed block.

The utility model discloses have following useful part:

the utility model is suitable for a rotatory clamping device of digit control machine tool sets up through the both ends at the lead screw and revolves to opposite screw for lead screw pivoted in-process, two grip blocks are close to the motion each other or keep away from the motion each other, thereby guarantee that the work piece is put by the central point that is in the device after being pressed from both sides tightly, carry out the work to the heart to the work piece in the convenient follow-up course of working, make whole course of working simpler, improved machining efficiency.

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 perspective view of a rotary clamping device of a numerically-controlled machine tool.

Fig. 2 is a front view of a rotary clamping device of a numerical control machine tool.

Fig. 3 is a top view of a rotary clamping device of a numerical control machine tool.

Fig. 4 is a schematic structural diagram of a slide block in a rotary clamping device of a numerical control machine tool.

In the figure: 1. fixing the rod; 2. a work table; 3. a fixing plate; 4. a bearing seat; 5. a screw rod; 6. rotating the disc; 7. a chute; 8. a slider; 9. fastening screws; 10. a fixed block; 11. a clamping plate; 12. a first drive motor; 13. a second drive motor; 14. a first pulley; 15. a belt; 16. a second pulley; 17. a rotating shaft; 18. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Example one

Referring to fig. 1-4, a rotary clamping device of a numerical control machine tool comprises a working table 2, fixing rods 1 are arranged on the left side and the right side of the lower surface of the working table 2, a rotating shaft 17 is rotatably connected to the middle of the working table 2, a rotating disc 6 is fixedly connected to the upper end of the rotating shaft 17, a sliding chute 7 is arranged in the middle of the rotating disc 6, fixing plates 3 are arranged at the front end and the rear end of the sliding chute 7, sliding blocks 8 are slidably connected to the front side and the rear side of the sliding chute 7, fixing blocks 10 are arranged on the upper portions of the sliding blocks 8, clamping plates 11 are arranged on the opposite surfaces of the two fixing blocks 10, a first driving motor 12 is arranged on the upper portion of the fixing plate 3 on the back side, an output shaft of the first driving motor 12 is fixedly connected to a screw rod 5, a bearing seat 4 is arranged on the upper, the lower part of the working table surface 2 is provided with a second driving motor 13, an output shaft of the second driving motor 13 is fixedly connected with a first belt wheel 14, the first belt wheel 14 is connected with a second belt wheel 16 through a belt 15, and the second belt wheel 16 is fixedly connected with the lower end of a rotating shaft 17.

Example two

The other contents of this embodiment are the same as those of the first embodiment, except that: the cross sections of the sliding block 8 and the fixing block 10 are L-shaped, the upper portion of the sliding block 8 is provided with a threaded hole 18, the threaded hole 18 is in threaded connection with a fastening screw 9, and the upper portion of the fastening screw 9 is in penetrating connection with the fixing block 10. Because the inside space of digit control machine tool is limited to in order to reduce the interference to the movement track of cutter, the holistic volume of rolling disc 6 can not be done very big, when the size that meets the work piece is great this moment, can be through adjusting the position that fastening screw 9 and screw hole 18 are connected, thereby adjust the relative position of fixed block 10 and slider 8, thereby adjust the biggest centre gripping distance of two grip blocks 11, make this device can the centre gripping bigger work piece.

In the implementation process of the utility model, the device is connected with the numerical control machine tool through the fixed rod 1, the center of the device is arranged at the machining center of the machine tool, a workpiece is placed between the two clamping plates 11, the first driving motor 12 is started, the output shaft of the first driving motor 12 drives the screw rod 5 to rotate, as the threads with opposite rotating directions are arranged at the two ends of the screw rod 5, when the screw rod 5 rotates, the two sliders 8 move close to each other, so that the two clamping plates 11 move close to each other, the workpiece is clamped through the two clamping plates 11, the numerical control machine tool can be normally started to machine the workpiece, when the workpiece needs to be rotated to be conveniently machined in the machining process of the workpiece, the second driving motor 13 can be started, the output shaft of the second driving motor 13 drives the rotating shaft 17 to rotate through the belt 15, so as to drive the rotating disc 6 to rotate, the workpiece is rotated, so that the workpiece can be conveniently and better processed; the utility model is suitable for a rotatory clamping device of digit control machine tool sets up through the both ends at lead screw 5 and revolves to opposite screw for 5 pivoted in-processes of lead screw, two grip blocks 11 are close to the motion each other or keep away from the motion each other, thereby guarantee that the work piece is put by the central point that is in the device after being pressed from both sides tightly, carry out the work to the heart to the work piece in the convenient follow-up course of working, make whole course of working simpler, improved machining efficiency.

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. The utility model provides a rotary clamping device of digit control machine tool, includes table surface (2), and table surface (2) middle part is rotated and is connected pivot (17), pivot (17) upper end fixed connection rolling disc (6), its characterized in that, and the middle part of rolling disc (6) is equipped with spout (7), and both ends are equipped with fixed plate (3) around spout (7), both sides sliding connection slider (8) around spout (7), slider (8) upper portion are equipped with fixed block (10), two the face that fixed block (10) is relative is equipped with grip block (11), the back fixed plate (3) upper portion is equipped with first driving motor (12), output shaft fixed connection lead screw (5) of first driving motor (12), and the both ends threaded connection of lead screw (5) is two slider (8).

2. The numerical control machine tool rotary clamping device is characterized in that threads with opposite rotation directions are arranged at two ends of the screw rod (5).

3. The rotary clamping device of the numerical control machine tool is characterized in that a bearing seat (4) is arranged on the upper portion of the front fixing plate (3), and the bearing seat (4) is rotatably connected with the end portion of the screw rod (5).

4. The rotary clamping device of the numerical control machine tool is characterized in that a second driving motor (13) is arranged at the lower part of the working table top (2), an output shaft of the second driving motor (13) is fixedly connected with a first belt wheel (14), the first belt wheel (14) is connected with a second belt wheel (16) through a belt (15), and the second belt wheel (16) is fixedly connected with the lower end of a rotating shaft (17).

5. The rotary clamping device of numerical control machine tool according to claim 1, characterized in that the left and right sides of the lower surface of the working table (2) are provided with fixing rods (1).

6. The numerical control machine tool rotary clamping device is characterized in that the cross sections of the sliding block (8) and the fixed block (10) are L-shaped.

7. The numerical control machine tool rotary clamping device is characterized in that a threaded hole (18) is formed in the upper portion of the sliding block (8), the threaded hole (18) is in threaded connection with a fastening screw (9), and the upper portion of the fastening screw (9) is connected with the fixed block (10) in a penetrating mode.