CN219767416U

CN219767416U - Special fixture for numerical control part machining

Info

Publication number: CN219767416U
Application number: CN202220956443.8U
Authority: CN
Inventors: 刘荣伟; 石凤武; 刘翔宇; 魏艳东; 侯和龙; 宋劲松
Original assignee: Chengde Petroleum College
Current assignee: Danjiangkou Yingtai Forging Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2023-09-29
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a special fixture for CNC parts processing, which includes a base. A telescopic rod and a No. 2 bearing seat are fixedly installed on the upper end of the base. The No. 2 bearing seat is located on the right side of the telescopic rod. The telescopic rod The output end of the sleeve is fixedly installed with a socket. The left end of the socket is provided with a jack. There are two sockets and they are distributed front and back. A rotating device is installed in the socket through bearings. The rotating device A clamping mechanism is threaded on the device, a rotating rod is fixedly installed on the right end of the rotating device, and a No. 1 screw is movably installed in the No. 2 bearing seat through a bearing. The utility model describes a special fixture for CNC parts processing. The principle is simple. By setting a rotating device and a clamping mechanism, the CNC parts can be positioned and rotated, and can be adapted to different use heights. At the same time, during processing, The installation frame will not shake, which improves the stability and accuracy during CNC parts processing and makes it more convenient to use.

Description

Special fixture for numerical control part machining

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to a special fixture for numerical control part machining.

Background

The numerical control machine tool is short for numerical control machine tool, and is an automatic machine tool with a program control system. The control system is able to logically process a program defined by control codes or other symbolic instructions, and to decode it, expressed in coded numbers, and input to the numerical control device via the information carrier. The numerical control device sends out various control signals to control the action of the machine tool through operation processing, and parts are automatically machined according to the shape and the size required by the drawing.

The searched publication number is (CN 213702553U), discloses a fixture for double-sided machining parts of a numerical control machine tool, which comprises a base, wherein a first bracket is fixed on one side of the top of the base, a first fixed block is arranged on the top of the first bracket, and a driven shaft is arranged on the fixed block; a second support is fixed on one side, far away from the first support, of the top of the base, and a second fixing block is arranged on the top of the second support. This fixture for digit control machine tool double-sided processing part is fixed with the work frame between through driven shaft and the driving shaft, the driving shaft is kept away from the one end of work frame and is connected with the crank, four draw-in grooves are the annular surface of distributing at the driving shaft, bayonet mechanism includes buckle, plectrum and spring, the one end and the draw-in groove looks adaptation of buckle, the other end and the one side of plectrum of buckle are fixed, the opposite side and the one end of spring of plectrum are connected, the other end and the bottom of recess of spring are connected, be equipped with the rubber sleeve on the plectrum, can make the work frame press from both sides tight work piece and fix a position rotatory, make the work piece can deal with various digit control machine tools.

In carrying out the above utility model, the inventors found that at least the following problems in the prior art are not solved: according to the utility model, although the rotary positioning can be performed, the height of the numerical control part cannot be adjusted according to the use requirement, meanwhile, the spring connection is not stable, different forces can be generated to pressurize the device when the part is processed, and the spring can be compressed in a small range due to elastic potential energy, so that the part can shake when being processed, the stability and accuracy of the processing are affected, and the use is inconvenient. Therefore, we propose a special fixture for numerical control part machining.

Disclosure of Invention

The utility model mainly aims to provide a special fixture for numerical control part machining, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a special fixture of numerical control part processing, includes the base, the upper end fixed mounting of base has telescopic link and No. two bearing frames, no. two bearing frames are located the right of telescopic link, the output fixed mounting of telescopic link has the cover seat, the jack has been seted up to the left end of cover seat, the jack is provided with two and is the front and back and distribute, pass through bearing interlude movable mounting in the cover seat has rotary device, screw thread installs fixture on the rotary device, rotary device's right-hand member fixed mounting has the bull stick, pass through bearing movable mounting in the No. two bearing frames has the screw rod, screw thread installs the slider on the screw rod, the left end fixed mounting of slider has the bearing frame, the right-hand member of bull stick passes through bearing movable mounting in the bearing frame.

Preferably, the rotating device comprises a mounting frame, an inner threaded pipe is fixedly arranged at the left end of the mounting frame, a limiting disc is fixedly sleeved on the inner threaded pipe, a hand wheel is fixedly arranged at the left end of the inner threaded pipe, a second screw rod is arranged on the hand wheel in a threaded manner, connecting columns are fixedly arranged on the right inner wall surface of the mounting frame, the connecting columns are distributed front and back, and a first clamping plate is fixedly arranged at the left end of each connecting column.

Preferably, the mounting frame is located between the sleeve seat and the first screw rod, the internal thread pipe is inserted and movably mounted in the sleeve seat through the bearing, the limiting disc is located on the right side of the sleeve seat, the second screw rod is inserted and movably mounted in the jack, and the right end of the mounting frame is fixedly connected with the rotating rod.

Preferably, the clamping mechanism comprises a third screw, the right end of the third screw is movably provided with a second clamping plate through a bearing, the left end of the second clamping plate is fixedly provided with a limiting column, and the limiting columns are provided with two limiting columns which are respectively located on the front side and the rear side of the third screw.

Preferably, the third screw is threaded in the internally threaded tube, the limiting post is movably installed on the mounting frame in a penetrating manner, and the second clamping plate 52 is located at the inner side of the mounting frame 41 and is matched with the first clamping plate 46.

Preferably, the sliding block is inserted and movably provided with a limiting rod, and the lower end of the limiting rod is fixedly connected with the base.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the rotating device and the clamping mechanism are arranged, the clamping mechanism is arranged, the second clamping plate can move left and right along the limiting column by rotating the third clamping plate, so that clamping work of numerical control parts with different sizes is realized, the numerical control clamping device is convenient to use, the mounting frame plays a role of connecting the internal threaded pipe with the connecting column, the internal threaded pipe can rotate in the sleeve seat, the internal threaded pipe rotates by rotating the hand wheel, the mounting frame, the first clamping plate and the clamping mechanism rotate simultaneously, front and back processing of the numerical control parts is realized, the second clamping plate moves to the right side by rotating the second clamping plate until the second clamping plate is positioned in the jack, the hand wheel can be fixed, the mounting frame is fixed, the shaking of the numerical control parts during processing is avoided, the stability and the accuracy of the mounting frame during processing are improved, positioning rotation can be realized simultaneously, and the processing is convenient.

2. According to the utility model, the telescopic rod and the first screw rod are arranged, the sliding block moves downwards along the limit column by rotating the first screw rod, the telescopic rod pushes the sleeve seat to move up and down, the rotating device and the clamping mechanism are adjusted to the height to be processed, the processing height can be adjusted according to the use requirement, and the use is more convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a special fixture for numerical control part machining;

FIG. 2 is a schematic view of the rear structure of a special fixture for numerical control part machining according to the present utility model;

FIG. 3 is a schematic view of a part of a special fixture for numerical control part machining according to the present utility model;

fig. 4 is a schematic diagram of the overall structure of a rotating device and a clamping mechanism of a special fixture for numerical control part machining.

In the figure: 1. a base; 2. a telescopic rod; 3. a sleeve seat; 31. a jack; 4. a rotating device; 5. a clamping mechanism; 6. a rotating rod; 7. a first screw; 8. a slide block; 9. a limit rod; 10. a first bearing seat; 11. a second bearing seat; 41. a mounting frame; 42. an internally threaded tube; 421. a limiting disc; 43. a hand wheel; 44. a second screw; 45. a connecting column; 46. a first clamping plate; 51. a third screw; 52. a second clamping plate; 53. and a limit column.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, a special fixture for numerical control part machining comprises a base 1, wherein a telescopic rod 2 and a second bearing seat 11 are fixedly arranged at the upper end of the base 1, the second bearing seat 11 is positioned on the right side of the telescopic rod 2, a sleeve seat 3 is fixedly arranged at the output end of the telescopic rod 2, a jack 31 is arranged at the left end of the sleeve seat 3, the jack 31 is provided with two jacks and is distributed front and back, a rotating device 4 is movably arranged in the sleeve seat 3 through a bearing in a penetrating manner, a clamping mechanism 5 is arranged on the rotating device 4 in a threaded manner, a rotary rod 6 is fixedly arranged at the right end of the rotating device 4, a first screw rod 7 is movably arranged in the second bearing seat 11 through a bearing, a sliding block 8 is arranged on the first screw rod 7 in a threaded manner, a first bearing seat 10 is fixedly arranged at the left end of the sliding block 8, and the right end of the rotary rod 6 is movably arranged in the first bearing seat 10 through a bearing.

The rotating device 4 comprises a mounting frame 41, an inner threaded pipe 42 is fixedly arranged at the left end of the mounting frame 41, a limiting disc 421 is fixedly sleeved on the inner threaded pipe 42, a hand wheel 43 is fixedly arranged at the left end of the inner threaded pipe 42, a second screw 44 is arranged on the hand wheel 43 in a threaded manner, connecting columns 45 are fixedly arranged on the right inner wall surface of the mounting frame 41, two connecting columns 45 are arranged and distributed front and back, and a first clamping plate 46 is fixedly arranged at the left ends of the two connecting columns 45. The mounting frame 41 is located between cover seat 3 and screw rod 7, and internal thread pipe 42 alternates movable mounting through the bearing in cover seat 3, and limiting plate 421 is located the right side of cover seat 3, and screw rod 44 alternates movable mounting in jack 31, and the right-hand member and the bull stick 6 fixed connection of mounting frame 41. The mounting frame 41 plays a role in connecting the internal thread pipe 42 and the connecting column 45, the internal thread pipe 42 can rotate in the sleeve seat 3, the internal thread pipe 42 rotates through rotating the hand wheel 43, so that the mounting frame 41, the first clamping plate 46 and the clamping mechanism 5 rotate simultaneously, the front and back machining of the numerical control part is realized, the second screw 44 moves to the right side through rotating the second screw 44 until the second screw 44 is positioned in the jack 31, the hand wheel 43 can be fixed, the mounting frame 41 is fixed, the shaking of the numerical control part during machining is avoided, the stability of the mounting frame 41 during machining is improved, and the machining is convenient.

The clamping mechanism 5 comprises a third screw rod 51, a second clamping plate 52 is movably mounted at the right end of the third screw rod 51 through a bearing, a limiting column 53 is mounted at the left end of the second clamping plate 52, and two limiting columns 53 are respectively arranged on the front side and the rear side of the third screw rod 51. The third screw 51 is screwed in the internal thread pipe 42, the limit column 53 is inserted and movably installed on the installation frame 41, and the second clamping plate 52 is located on the inner side of the installation frame 41 and matched with the first clamping plate 46. The second clamping plate 52 can move left and right along the limiting column 53 by rotating the third screw 51, so that clamping work of numerical control parts with different sizes is realized, and the use is convenient.

The slide block 8 is inserted and movably provided with a limit rod 9, and the lower end of the limit rod 9 is fixedly connected with the base 1. The limiting rod 9 plays a limiting role, so that the sliding block 8 can move up and down along the limiting rod 9, and the clamping height is convenient to adjust.

The utility model relates to a special fixture for machining a numerical control part, wherein when the numerical control part is required to be machined, the machining height of the part can be adjusted through a telescopic rod 2 and a first screw 7, and the telescopic rod 2 is provided with a fastening knob and can be adjusted and fixed in height; when the height is adjusted, the first screw rod 7 is rotated to enable the sliding block 8 to move up and down along the limiting rod 9, the height of the rotating device 4 is adjusted, the telescopic rod 2 is lifted and lowered along with the lifting and descending of the telescopic rod 2, the telescopic rod 2 is fixed in height through a tight fixing knob on the telescopic rod 2, the rotating device 4 and the clamping mechanism 5 are adjusted to the height to be processed, a numerical control part is placed on the left side of the first clamping plate 46, then the third screw rod 51 is rotated to enable the second clamping plate 52 to move to the right side and clamp the numerical control part, one surface of the numerical control part is processed, when the other surface of the numerical control part is required to be processed, the second screw rod 44 is enabled to be far away from the jack 31 through rotation of the second screw rod 44, then the hand wheel 43 is rotated, the rotating device 4 is enabled to rotate 180 degrees, the rotary rod 6 is rotated in the first bearing seat 10, then the second screw rod 44 is enabled to move to the right side into the other jack 31, and the other surface of the numerical control part is processed; the device is simple in principle, through setting up rotary device 4 and fixture 5, can fix a position rotatory to the numerical control part, can be suitable for the use height with the difference, and when processing simultaneously, the mounting frame 41 can not rock, has improved the stability and the accuracy of numerical control part, and it is more convenient to use.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special fixture of numerical control part processing, includes base (1), its characterized in that: the telescopic device is characterized in that a telescopic rod (2) and a second bearing seat (11) are fixedly arranged at the upper end of the base (1), the second bearing seat (11) is located on the right side of the telescopic rod (2), a sleeve seat (3) is fixedly arranged at the output end of the telescopic rod (2), an inserting hole (31) is formed in the left end of the sleeve seat (3), the inserting holes (31) are formed in two parts and are distributed front and back, a rotating device (4) is inserted into the sleeve seat (3) through a bearing, a clamping mechanism (5) is arranged on the rotating device (4) in a threaded mode, a rotary rod (6) is fixedly arranged at the right end of the rotating device (4), a first screw rod (7) is movably arranged in the second bearing seat (11), a sliding block (8) is fixedly arranged at the left end of the first screw rod (7), and the right end of the rotary rod (6) is movably arranged in the first bearing seat (10) through a bearing.

2. The special fixture for numerical control part machining according to claim 1, wherein: the rotating device (4) comprises a mounting frame (41), an inner threaded pipe (42) is fixedly arranged at the left end of the mounting frame (41), a limiting disc (421) is fixedly sleeved on the inner threaded pipe (42), a hand wheel (43) is fixedly arranged at the left end of the inner threaded pipe (42), a second screw (44) is fixedly arranged on the hand wheel (43) in a threaded mode, connecting columns (45) are fixedly arranged on the right inner wall surface of the mounting frame (41), the connecting columns (45) are arranged in a front-back distribution mode, and a first clamping plate (46) is fixedly arranged at the left end of each connecting column (45) in a common mode.

3. The special fixture for numerical control part machining according to claim 2, wherein: the mounting frame (41) is located between the sleeve seat (3) and the first screw rod (7), the internal thread pipe (42) is inserted and movably mounted in the sleeve seat (3) through a bearing, the limiting disc (421) is located on the right side of the sleeve seat (3), the second screw rod (44) is inserted and movably mounted in the jack (31), and the right end of the mounting frame (41) is fixedly connected with the rotating rod (6).

4. A special fixture for numerical control part machining according to claim 3, characterized in that: the clamping mechanism (5) comprises a No. three screw rod (51), a No. two clamping plates (52) are movably mounted at the right end of the No. three screw rod (51) through bearings, limiting columns (53) are fixedly arranged at the left ends of the No. two clamping plates (52), and the limiting columns (53) are arranged on the front side and the rear side of the No. three screw rod (51) respectively.

5. The special fixture for numerical control part machining according to claim 4, wherein: the third screw (51) is arranged in the inner threaded pipe (42) in a threaded mode, the limiting column (53) is inserted and movably arranged on the mounting frame (41), and the second clamping plate (52) is located on the inner side of the mounting frame (41) and matched with the first clamping plate (46).

6. The special fixture for numerical control part machining according to claim 5, wherein: the sliding block (8) is inserted and movably provided with a limiting rod (9), and the lower end of the limiting rod (9) is fixedly connected with the base (1).