CN112059225A

CN112059225A - Novel precise tool clamp of numerical control lathe for machining motor shell

Info

Publication number: CN112059225A
Application number: CN202011264391.XA
Authority: CN
Inventors: 周清泉; 魏正耀; 阮志坚; 廖浪亦; 张圣
Original assignee: Wanxin Jinggong Hunan Co Ltd
Current assignee: Wanxin Jinggong Hunan Co Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2020-12-11

Abstract

The invention discloses a novel precise tool clamp of a numerical control lathe for machining a motor shell. The device realizes a positioning mode of limiting 5 degrees of freedom through the outer surface of the jaw part and the outer surface of the plug barrel, thereby greatly improving the coaxiality and parallelism precision of the processed workpiece. Compared with the traditional clamp, the device can complete the processing of three procedures of expanding an inner hole, drilling and tapping by one-time clamping, simplifies the operation procedures and improves the clamping efficiency. The cutter head of the device can realize the replacement of different cutters, thereby realizing the multifunction of machine tool machining. The clamping mode of the device is that the hydraulic system provides pressure for clamping, and the reliability of clamping and positioning is fully ensured. The invention has simple structure, convenient operation, and convenient use, maintenance and repair.

Description

Novel precise tool clamp of numerical control lathe for machining motor shell

Technical Field

The invention relates to the technical field of positioning and processing of clamps, in particular to a novel precise tool clamp of a numerical control lathe for processing a motor shell.

Background

The traditional motor shell has more processing procedures, more clamping times, larger accumulated clamping errors and difficult processing precision guarantee. The outer peripheral surface of the motor casing is usually a non-circumferential surface, so that the motor casing is very inconvenient to clamp when the two end surfaces of the motor casing are turned, the requirements on coaxiality and parallelism of a machined product cannot be met due to poor clamping, the product percent of pass is reduced, and even the motor casing is scrapped.

Disclosure of Invention

The invention aims to provide a novel precise tool clamp of a numerical control lathe for machining a motor shell, which can solve the technical problems related to the background technology.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a novel accurate frock clamp of numerical control lathe for motor casing processing, includes chuck, gib block, jack catch part, stopper bucket, clamp plate, blade disc, sword grain and reverse sword that colludes, the chuck with the gib block passes through the guide rail guide slot cooperation and connects, the gib block with the jack catch meshing cooperation is connected, the jack catch with jack catch part fixed connection, the stopper bucket with jack catch part looks axle center and interval set up, and the motor casing clamp of treating processing is established the jack catch part with between the stopper bucket, the blade disc interval set up in the top of motor casing, the clamp plate is fixed in along vertical direction the blade disc face court the surface of jack catch part, reverse sword that colludes is fixed in along vertical direction setting and top the clamp plate, the sword grain set firmly in reverse bottom of colluding the sword.

As an improvement of the invention: the inner surfaces of the left end and the right end of the motor shell are respectively sleeved on the jaw parts and the plug barrel to realize positioning connection.

As an improvement of the invention: the inside guide rail slider structure that has opened of chuck, guide rail spout structure has been seted up to the gib block, guide rail slider structure with guide rail spout structure realizes that the guide rail guide slot cooperation is connected.

As an improvement of the invention: and two surfaces of the guide strip, which are opposite to the clamping jaws, are respectively provided with a saw-tooth structure which is meshed with each other, so that the guide strip is meshed with the clamping jaws in a matching way.

As an improvement of the invention: the position that the blade disc corresponds the clamp plate is equipped with the spout that extends along vertical direction, the clamp plate include with spout complex slider.

As an improvement of the invention: the pressing plate is assembled and connected with the cutter head through screws.

As an improvement of the invention: the clamping jaw is connected with the clamping jaw component through threads.

As an improvement of the invention: the reverse hook cutter is fixedly assembled on the pressure plate through screws.

As an improvement of the invention: the knife particles are fixedly connected to the reverse hook knife through bolts.

Compared with the prior art, the novel precision tool clamp of the numerical control lathe for machining the motor shell, provided by the invention, has the following advantages:

1. the structure is simple, the operation is convenient, and the assembly, the use, the maintenance and the maintenance are convenient;

2. through the outer surface of the jaw component and the outer surface of the plug barrel, a positioning mode of limiting 5 degrees of freedom is realized, the coaxiality and the precision of the fixed parallelism are greatly improved, and compared with the traditional fixture for machining the concentricity with the error of 0.05-0.15mm, the concentricity error can be guaranteed to be within 0.03mm when the fixture is used for machining;

3. the three processes of expanding an inner hole, drilling and tapping can be finished by one-time clamping, so that the clamping precision is greatly improved, and compared with the turning work which needs 3 times of clamping to finish by a traditional clamp, the tool clamp provided by the invention only needs 1 time of clamping;

4. the cutter head can realize the replacement of different cutters, thereby realizing the multifunction of machine tool processing and carrying out different turning processes on the basis of one-time clamping;

5. the clamping mode of hydraulic fastening is adopted, so that the safety and reliability of clamping and positioning are fully ensured;

6. the guide strip and the clamping jaw are in meshed connection by adopting a tooth groove, so that the device has the advantages of accurate positioning, tight connection, skid resistance and the like;

7. the chuck is connected with the guide strip through the linear guide rail sliding block, and the chuck has the advantages of high positioning precision, anti-falling, small friction force and the like.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is an explosion structure diagram of the novel precision tool clamp of the numerically controlled lathe for machining the motor casing;

FIG. 2 is an overall assembly axonometric view of the novel precision tool clamp of the numerically controlled lathe for machining the motor casing, disclosed by the invention;

FIG. 3 is a view of the jaw chuck assembly structure of the novel precision tool clamp of the numerically controlled lathe for machining the motor casing;

FIG. 4 is an enlarged partial view of the engagement of the pawl and the inter-guide rack tooth groove in section A of FIG. 3;

FIG. 5 is an enlarged view of the rail-slider connection of the cartridge and the guide strip in section B of FIG. 3;

in the figure, 1: a chuck; 2: a guide strip; 3: a claw; 4: a jaw member; 5: a motor housing; 6: plugging the barrel; 7: pressing a plate; 8: a cutter head; 9: cutting grains; 10: a reverse hook cutter; 11: a guide rail slider structure; 21: a guide rail chute structure; 23: a sawtooth structure; 71: a slider; 81: a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the invention provides a novel precision tool clamp of a numerically controlled lathe for machining a motor casing, which comprises a chuck 1, a guide strip 2, a jaw 3, a jaw part 4, a plug barrel 6, a pressing plate 7, a cutter head 8, a cutter grain 9 and a reverse hook cutter 10, wherein the chuck 1 and the guide strip 2 are connected in a matched manner through a guide rail guide groove, specifically, referring to fig. 3, a guide rail sliding block structure 11 is arranged inside the chuck 1, a guide rail sliding groove structure 21 is arranged on the guide strip 2, the guide rail sliding block structure 11 and the guide rail sliding groove structure 21 are connected in a matched manner through the guide rail guide groove, and when the sliding linear guide rail is adopted, the sliding has linearity, so that the positioning precision is high, the anti-falling performance is achieved, and the friction force is small.

The guide strip 2 is in meshing fit connection with the jaw 3 and is fixed through a bolt (not shown), specifically, referring to fig. 4, two surfaces of the guide strip 2 opposite to the jaw 3 are respectively provided with a saw tooth structure 23 which is meshed with each other, so that the guide strip 2 is in meshing fit connection with the jaw 3, and therefore, not only is the positioning precision high, but also the combination is tighter, and the friction force is large.

The jack catch 3 with 4 fixed connection of jack catch parts, it is concrete, the jack catch 3 with 4 pass through threaded connection of jack catch parts, like this, the gib block 2 jack catch 3 and the synchronous motion is realized to the jack catch parts 4, and follows the radial direction of chuck 1 removes to the motor casing 5 that treats processing is held in the clamp.

Stopper bucket 6 with jaw part 4 is the axle center altogether and the interval sets up, and the motor casing 5 clamp of treating processing is established jaw part 4 with between the stopper bucket 6, it is concrete, refer to and show in figure 2, motor casing 5 about both ends internal surface overlap respectively locate on jaw part 4 with realize the location connection on the stopper bucket 6, realize having restricted the locate mode of 5 degrees of freedom of motor casing 5 has greatly improved the precision of axiality and level parallelism, can guarantee that the concentricity error is within 0.03 mm.

Specifically refer to and show in fig. 2, blade disc 8 interval set up in motor casing 5's top, clamp plate 7 is fixed in along vertical direction blade disc 8 faces towards the surface of gripper component 4, it needs to explain that blade disc 8 corresponds the position of clamp plate 7 is equipped with the spout 81 that extends along vertical direction, clamp plate 7 include with spout 81 complex slider 71, it is further, clamp plate 7 pass through screw (not shown) with blade disc 8 be assembled between/be connected between.

Specifically, referring to fig. 1 and 2, the reverse hooking cutter 10 is arranged in the vertical direction, the top end of the reverse hooking cutter is fixed to the pressing plate 7 through a screw (not shown), and the reverse hooking cutter 10 can be used for machining the inner wall of the motor casing 5 without re-clamping and completing machining at one time.

The cutter particles 9 are fixedly arranged at the bottom end of the reverse hook cutter 10 through bolts (not shown), so that different cutters can be replaced, the machining versatility of the machine tool is realized, and different turning processes are carried out on the basis of one-time clamping.

The working principle of the novel precise tool clamp of the numerical control lathe for machining the motor shell provided by the invention is as follows:

the first step is as follows: when a hydraulic control system is closed, a jaw chuck consisting of the chuck 1, the guide strip 2, the jaw 3 and the jaw part 4 is in a relaxed state, and the motor shell 5 is assembled to be positioned;

the second step is that: then the plug barrel 6 is assembled at the right end of the motor shell 5;

the third step: after the processes of the first step and the second step, the hydraulic system is opened to realize the operation of clamping the motor shell 5;

the fourth step: assembling a reverse hook cutter 10 on a cutter head 8 through a pressing plate 7 in a threaded manner;

the fifth step: and finally, replacing different cutter grains 9 on the reverse hook cutter 10, and starting machining after the replacement is finished.

In summary, compared with the related art, the novel precision tool clamp for the numerically controlled lathe for machining the motor casing provided by the invention has the following advantages:

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. The utility model provides a novel accurate frock clamp of numerical control lathe for motor casing processing which characterized in that: including chuck (1), gib block (2), jack catch (3), jack catch part (4), stopper bucket (6), clamp plate (7), blade disc (8), sword grain (9) and reverse sword (10) of colluding, chuck (1) with gib block (2) pass through guide rail guide slot cooperation and connect, gib block (2) with jack catch (3) meshing cooperation is connected, jack catch (3) with jack catch part (4) fixed connection, stopper bucket (6) with jack catch part (4) dead axle center and interval set up, and motor casing (5) clamp of treating processing is established jack catch part (4) with between plug bucket (6), blade disc (8) interval set up in the top of shell (5), clamp plate (7) are fixed in along vertical direction motor disc (8) face towards the surface of jack catch part (4), reverse sword (10) of colluding is fixed in along vertical direction setting and top clamp plate (7), the knife particles (9) are fixedly arranged at the bottom end of the reverse hook knife (10).

2. The novel precision tool clamp of the numerically controlled lathe for machining the motor casing is characterized in that: the inner surfaces of the left end and the right end of the motor shell (5) are respectively sleeved on the jaw component (4) and the plug barrel (6) to realize positioning connection.

3. The novel precision tool clamp of the numerically controlled lathe for machining the motor casing is characterized in that: the chuck (1) is internally provided with a guide rail sliding block structure, the guide bar (2) is provided with a guide rail sliding groove structure, and the guide rail sliding block structure is connected with the guide rail sliding groove structure in a guide rail guide groove matching mode.

4. The novel precision tool clamp of the numerically controlled lathe for machining the motor casing is characterized in that: the guide strip (2) and the two surfaces opposite to the clamping jaws (3) are respectively provided with a sawtooth structure which is meshed with each other, so that the guide strip (2) and the clamping jaws (3) are meshed and matched to be connected.

5. The novel precision tool clamp of the numerically controlled lathe for machining the motor casing is characterized in that: the position that blade disc (8) correspond clamp plate (7) is equipped with along the spout of vertical direction extension, clamp plate (7) include with spout complex slider.

6. The novel precision tool clamp of the numerically controlled lathe for machining the motor shell as claimed in claim 5, wherein: the pressing plate (7) is assembled and connected with the cutter head (8) through screws.

7. The novel precision tool clamp of the numerically controlled lathe for machining the motor casing is characterized in that: the clamping jaw (3) is connected with the clamping jaw component (4) through threads.

8. The novel precision tool clamp of the numerically controlled lathe for machining the motor casing is characterized in that: the reverse hook knife (10) is fixedly assembled on the pressure plate (7) through screws.

9. The novel precision tool clamp of the numerically controlled lathe for machining the motor casing is characterized in that: the knife particles (9) are fixedly connected to the reverse hook knife (10) through bolts.