CN214214042U

CN214214042U - Rubber processing machine tool capable of preventing blade from being blocked

Info

Publication number: CN214214042U
Application number: CN202022903738.2U
Authority: CN
Inventors: 庄文君; 庄水炮
Original assignee: Zhangzhou Zhongxin Rubber Co ltd
Current assignee: Zhangzhou Zhongxin Rubber Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-17
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to the technical field of rubber processing machinery, in particular to a rubber processing machine tool for preventing a blade from being stuck, which comprises a moving device, a fixing device and a limiting mechanism, wherein the moving device is arranged on one side of the fixing device, the limiting mechanism is arranged on the upper end of the fixing device, the moving device comprises a moving platform, a three-jaw chuck and a side lever, the three-jaw chuck is arranged on the upper end of the moving platform, the side lever is arranged on the front end of the moving platform, the fixing device comprises a base, a tool apron and a tool bit, the tool apron is arranged on the upper end of the base, one end inside the tool apron is rotationally connected with the base through an installation shaft, one end of the tool apron is provided with an extension part which is of a triangular structure, one end of the extension part is contacted with one end of the side lever, the tool bit can be detachably connected on one side of the tool apron, the utility model can prevent the situation that the tool bit is stuck or even collapses during processing, and effectively protect the tool bit, meanwhile, the cutter head is more convenient to disassemble and replace, maintenance is convenient, and production efficiency is improved.

Description

Rubber processing machine tool capable of preventing blade from being blocked

Technical Field

The utility model relates to a rubber processing machinery technical field, in particular to prevent dead rubber processing machine tool of blade card.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, and are conventionally called machine tools for short, and generally include metal cutting machines, forging machines, woodworking machines, and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to machining, casting, forging, welding, stamping, extrusion, and the like are also known, but parts requiring high precision and fine surface roughness are generally machined on a machine tool.

When the traditional cutting lathe is used, a three-jaw chuck is used for fixing materials, and the materials are driven by a moving platform to approach a tool bit after being fixed, so that the tool bit is used for rotationally cutting the materials, and the defects exist;

traditional cutting off machine is when carrying out centre gripping and tool bit contact cutting to the material, it is too big because of tool bit and material contact cutting face easily, lead to the condition that the card sword appears after tool bit and material paste tightly, even when the material rotational speed is too fast, the condition that collapses the sword appears easily, very danger, lack effectual safeguard measure, exist not enoughly, and all adopt the flange through connection mode between traditional tool bit and the equipment, when the tool bit is dismantled, need will protect and just can change the tool bit after the outside flange apron of tool bit is got rid of, it is inconvenient to change the tool bit, indirectly influence production efficiency, exist not enoughly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art's defect, provide a prevent dead rubber processing machine tool of blade card, possible prevention tool bit is adding the condition that appears the card sword and collapse the sword even man-hour, more makes things convenient for the tool bit to dismantle the change simultaneously, convenient maintenance.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a rubber processing machine tool for preventing blade from being stuck, which comprises a moving device, a fixing device and a limiting mechanism, wherein the moving device is arranged at one side of the fixing device, and the limiting mechanism is arranged at the upper end of the fixing device;

the moving device comprises a moving platform, a three-jaw chuck and a side rod, wherein the three-jaw chuck is arranged at the upper end of the moving platform, and the side rod is arranged at the front end of the moving platform;

the fixing device comprises a base, a cutter holder and a cutter head, the cutter holder is arranged at the upper end of the base, one end of the interior of the cutter holder is rotatably connected with the base through an installation shaft, an extension part is arranged at one end of the cutter holder, the extension part is of a triangular structure, one side of the extension part is in contact with one end of the side rod, the cutter head is detachably connected to one side of the cutter holder and is adjacent to the three-jaw chuck, the limiting mechanism is arranged at one side of the cutter holder far away from the cutter head, and the lower end of the limiting mechanism is fixedly connected with the base;

the limiting mechanism comprises a vertical plate, a screw rod in the vertical plate in a threaded connection mode and a limiting block arranged at one end of the screw rod, and one end of the limiting block is connected with the side face of the cutter holder.

As a preferred technical scheme of the utility model, the extension is the right triangle structure, the extension is close to distance between the one end of side lever and the blade holder tip and the side lever inboard to the blade holder tip between the distance the same, the right triangle hypotenuse of extension with the end contact of side lever.

As a preferred technical scheme of the utility model, the side lever with the contact jaw of extension is equipped with the arc chamfer, the arc chamfer with the right angled triangle hypotenuse contact of extension.

As an optimal technical scheme of the utility model, the lathe still includes the cover, the cover sets up in the upper end of blade holder, screw and pedestal connection are passed through to one side of cover, the riser sets up between cover and base, just the height of riser is the same with the height of blade holder.

As a preferred technical scheme of the utility model, the tool bit can be dismantled with the blade holder and be connected specifically to do, the blade holder is kept away from one side of riser and has been seted up the rectangle breach, the screw has been run through to the inside of tool bit, the screw thread blind hole that matches with the screw is seted up to inner wall one side of rectangle breach, the tool bit passes through the screw spiro union in the rectangle breach.

As an optimal technical scheme of the utility model, the screw has been run through to one side of cover, top one side of base is equipped with the mounting hole that matches with the screw.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses, the three-jaw chuck tightly clamps the material, the material central line is tangent with the tool bit tip this moment, then when the mobile platform drives the material in the three-jaw chuck to be close to the tool bit, the material extrudes the tool bit, can drive tool bit and blade holder to revolve around the installation axle, the blade holder revolves around the installation axle at this moment, the tool bit is not tangent with the material tip central line, the contact point of the tool bit tip and the material shortens, at this moment, the cutting contact surface diminishes than the predetermined cutting contact surface, avoid the cutting contact surface between the material and the tool bit too big, the condition that the tool is blocked or even collapses the tool appears, the distance between the stopper and the blade holder side, the size of the rotating angle around the installation axle can be decided by the blade holder, reach the regulation of adjusting the position of the contact point of tool bit and material, the tool bit passes through the detachable design between the tool bit and the blade holder, conveniently carry out quick replacement to the tool bit, convenient maintenance and change, the production efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of the present invention;

fig. 2 is a top view (a first state diagram) of the structure of fig. 1 according to the present invention;

fig. 3 is a plan view (second state diagram) of the structure of fig. 1 according to the present invention.

In the figure: 1. a base; 2. a mobile platform; 21. a side lever; 3. a tool apron; 31. an extension portion; 4. a vertical plate; 41. a screw; 42. a limiting block; 5. a cutter head; 51. mounting holes; 6. installing a shaft; 7. and (4) a machine cover.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Wherein like reference numerals refer to like parts throughout.

In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1

As shown in fig. 1-3, the utility model provides a rubber processing machine tool for preventing blade from being stuck, which comprises a moving device, a fixing device and a limiting mechanism, wherein the moving device is arranged at one side of the fixing device, and the limiting mechanism is arranged at the upper end of the fixing device;

the moving device comprises a moving platform 2, a three-jaw chuck and a side rod 21, wherein the three-jaw chuck is arranged at the upper end of the moving platform 2, and the side rod 21 is arranged at the front end of the moving platform 2;

the fixing device comprises a base 1, a cutter holder 3 and a cutter head 5, the cutter holder 3 is arranged at the upper end of the base 1, one end inside the cutter holder 3 is rotatably connected with the base 1 through an installation shaft 6, an extension part 31 is arranged at one end of the cutter holder 3, the extension part 31 is of a triangular structure, one side of the extension part 31 is in contact with one end of a side rod 21, the cutter head 5 is detachably connected to one side of the cutter holder 3, the cutter head 5 is adjacent to the three-jaw chuck, a limiting mechanism is arranged on one side, away from the cutter head 5, of the cutter holder 3, and the lower end of the limiting mechanism is fixedly connected with the base 1;

the limiting mechanism comprises a vertical plate 4, a screw rod 41 in the vertical plate 4 in a threaded manner and a limiting block 42 arranged at one end of the screw rod 41, and one end of the limiting block 42 is abutted against the side surface of the cutter holder 3.

Furthermore, the extension 31 is a right triangle structure, the distance between one end of the extension 31 close to the side lever 21 and the end of the tool holder 3 is the same as the distance between the inner side of the side lever 21 and the end of the tool holder 3, the hypotenuse of the extension 31 contacts with the end of the side lever 21, and the distance between one end of the extension 31 close to the side lever 21 and the end of the tool holder 3 means the protrusion distance of the extension 31 protruding out of the end of the tool holder 3, when the distance is the same as the distance between the inner side of the side lever 21 and the end of the tool holder 3, the side lever 21 will not contact with the extension 31 when the tool bit 5 on the side of the tool holder 3 is tangent to the center line of the material, thereby avoiding the problem of cutting caused by the side lever 21 still contacting with the inclined surface of the extension 31 after the tool bit 5 cuts into the material.

Further, the contact end of the side lever 21 and the extension portion 31 is provided with an arc-shaped chamfer, the arc-shaped chamfer is in contact with the hypotenuse of the right triangle of the extension portion 31, and the arc-shaped chamfer reduces the contact friction force between the side lever 21 and the extension portion 31.

Further, the lathe still includes cover 7, and cover 7 sets up in the upper end of blade holder 3, and one side of cover 7 is passed through the screw and is connected with base 1, and riser 4 sets up between cover 7 and base 1, and the height of riser 4 is the same with the height of blade holder 3, and riser 4 is the same when high and the blade holder 3 is high, can lock the vertical direction of blade holder 3, protects blade holder 3 simultaneously.

Further, tool bit 5 can be dismantled with blade holder 3 and be connected specifically to do, and the rectangle breach has been seted up to one side that riser 4 was kept away from to blade holder 3, and the screw has been run through to tool bit 5's inside, and the screw thread blind hole that matches with the screw is seted up to inner wall one side of rectangle breach, and tool bit 5 passes through the screw spiro union in the rectangle breach, can dismantle the connection design, conveniently changes the maintenance to tool bit 5.

Furthermore, a screw penetrates through one side of the cover 7, and a mounting hole 51 matched with the screw is formed in one side of the top end of the base 1, so that the cover 7 can be conveniently mounted on the base 1.

Specifically, the three-jaw chuck clamps the material, at this time, the material center line coincides with the center line of the three-jaw chuck, at this time, the material center line is tangent to the end of the tool bit 5, as shown in fig. 2, then when the moving platform 2 drives the material in the three-jaw chuck to approach the tool bit 5, the material extrudes the tool bit 5, which can drive the tool bit 5 and the tool holder 3 to rotate around the mounting shaft 6, at this time, the tool holder 3 rotates around the mounting shaft 6, the tool bit 5 is not tangent to the material end center line, the contact point between the end of the tool bit 5 and the material becomes shorter, and the distance difference b shown in fig. 3 is formed, at this time, the tool bit 5 is smaller than the predetermined material cutting contact surface, so as to avoid the situation that the cutting contact surface between the material and the tool bit 5 is too large, the tool is jammed or even broken, and a person can rotate in the vertical plate 4 through the screw 41, so as to change the distance between the limiting block 42 and the side surface of the tool holder 3, when the limiting block 42 is tightly attached to the side surface of the tool apron 3 and the tool bit 5 is extruded by the material, the tool bit 5 drives the tool apron 3 to rotate around the mounting shaft 6 at a constant angle, the distance difference b is zero, the tool bit 5 is tangent to the material center line, the cutting surface is the largest at this time, when the limiting block 42 and the side surface of the tool apron 3 generate a gap, and the material extrudes the tool bit 5, the tool bit 5 drives the tool apron 3 to rotate around the mounting shaft 6 at a larger angle, at this time, the tool bit 5 is not tangent to the material center line, at this time, the distance difference b is generated during cutting, the predetermined cutting contact surface between the tool bit 5 and the material is reduced, the tool bit is effectively protected, when the tool apron 3 rotates around the mounting shaft 6, the extending part 31 is driven to approach the side lever 21, at this time, the extending part 31 protrudes out of the inner wall of the side lever 21, when the material is continuously transported on the moving platform 2, the side lever 21 contacts with the extending part 31, and extrudes the triangular inclined surface of the extending part 31, extension 31 drives blade holder 3 and takes place to reset rotatoryly around installation axle 6, reduces apart from difference b gradually this moment, and the position tangent with the central line of material is recovered to the tip of tool bit 3, reaches the position control of predetermined cutting point, and the distance is different between stopper 42 and the blade holder 3, influences apart from difference b's distance, avoids because of mechanical error, and tool bit 5 is too big with the material contact surface, the condition that the sword collapses appears, effectively protects tool bit 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent dead rubber processing machine tool of blade card which characterized in that: the device comprises a moving device, a fixing device and a limiting mechanism, wherein the moving device is arranged on one side of the fixing device, and the limiting mechanism is arranged at the upper end of the fixing device;

the moving device comprises a moving platform (2), a three-jaw chuck and a side rod (21), wherein the three-jaw chuck is arranged at the upper end of the moving platform (2), and the side rod (21) is arranged at the front end of the moving platform (2);

the fixing device comprises a base (1), a cutter holder (3) and a cutter head (5), the cutter holder (3) is arranged at the upper end of the base (1), one end of the interior of the cutter holder (3) is rotatably connected with the base (1) through an installation shaft (6), an extension part (31) is arranged at one end of the cutter holder (3), the extension part (31) is of a triangular structure, one side of the extension part (31) is in contact with one end of the side rod (21), the cutter head (5) is detachably connected to one side of the cutter holder (3), the cutter head (5) is adjacent to the three-jaw chuck, the limiting mechanism is arranged at one side of the cutter holder (3) far away from the cutter head (5), and the lower end of the limiting mechanism is fixedly connected with the base (1);

the limiting mechanism comprises a vertical plate (4), a screw rod (41) in the vertical plate (4) in a threaded manner, and a limiting block (42) arranged at one end of the screw rod (41), wherein one end of the limiting block (42) is abutted against the side face of the cutter holder (3).

2. A rubber processing machine tool for preventing blade seizing as defined in claim 1, wherein: the extension part (31) is of a right-angled triangle structure, the distance between one end of the extension part (31) close to the side rod (21) and the end of the tool apron (3) is the same as the distance between the inner side of the side rod (21) and the end of the tool apron (3), and the hypotenuse of the extension part (31) is in contact with the end of the side rod (21).

3. A rubber processing machine tool for preventing blade seizing according to claim 2, wherein: the contact end of the side rod (21) and the extension part (31) is provided with an arc chamfer which is in contact with the hypotenuse of the right triangle of the extension part (31).

4. A rubber working machine tool for preventing blade seizing according to any one of claims 1-3, wherein: the machine tool further comprises a cover (7), the cover (7) is arranged at the upper end of the cutter holder (3), one side of the cover (7) is connected with the base (1) through a screw, the vertical plate (4) is arranged between the cover (7) and the base (1), and the height of the vertical plate (4) is the same as the height of the cutter holder (3).

5. A rubber processing machine tool for preventing blade from being stuck according to claim 4, characterized in that: the tool bit (5) is detachably connected with the tool apron (3), a rectangular notch is formed in one side, away from the vertical plate (4), of the tool apron (3), a screw penetrates through the inside of the tool bit (5), a threaded blind hole matched with the screw is formed in one side of the inner wall of the rectangular notch, and the tool bit (5) is connected with the rectangular notch in a threaded mode through the screw.

6. A rubber processing machine tool for preventing blade from being stuck according to claim 4, characterized in that: a screw penetrates through one side of the cover (7), and a mounting hole (51) matched with the screw is formed in one side of the top end of the base (1).