CN216298591U

CN216298591U - Fixed mechanical fixture for machining

Info

Publication number: CN216298591U
Application number: CN202122488839.2U
Authority: CN
Inventors: 刘寒
Original assignee: Xi'an Xinzheng Aviation Technology Co ltd
Current assignee: Xi'an Xinzheng Aviation Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-15
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a fixed mechanical clamp for machining, and relates to the technical field of machining. According to the clamping device, the clamping arms, the movable rod, the limiting sleeve, the clamping plate and the spring are matched, the clamping arms support the device, when parts of the clamping plate clamp are different in size, the movable rod extends to the outer side of the clamping arms, the spring is used for enabling the clamping plate to extrude the parts, the limiting sleeve is used for preventing the movable rod from falling out of the clamping arms, the parts different in size and shape can be clamped stably, and the situation that the parts are damaged due to the fact that the parts are not clamped stably in the machining process is avoided.

Description

Fixed mechanical fixture for machining

Technical Field

The utility model relates to the technical field of machining, in particular to a fixed mechanical clamp for machining.

Background

The clamp is a tool used for fastening a workpiece to fix a part at a corresponding position during machining, the clamp technology is developing towards high precision, high efficiency, module, combination, universality and economy, and the clamp is also called a clamp.

The following problems exist in the prior art:

1. the existing clamp cannot adjust the angle of a part after clamping the part, so that the part is inconvenient to machine, and when the angle of the part during machining needs to be switched, the part needs to be taken down and fixed again, so that the production efficiency is influenced;

2. the clamping surfaces of some existing fixed mechanical clamps for machining are flat surfaces, cylindrical workpieces cannot be well fixed from arc-shaped side edges, and unstable clamping easily causes problems of product quality and precision, so that the qualification rate of the parts is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixed mechanical clamp for machining, which aims to facilitate the switching of angles during part machining and solve the problem that the production efficiency is influenced because the part is required to be taken down and fixed again when the machining angle of the part is changed; wherein another kind of purpose is in order to solve the clamping face and be the planishing face, and the unstable product quality and the precision problem that easily leads to of centre gripping to reach fixed part inseparabler, prevent that unstable messenger part from appearing damaging and unqualified effect when processing.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a fixed mechanical fixture for machining, includes the mechanical fixture main part, the bottom of mechanical fixture main part is provided with the base, the spout has been seted up at the middle part of base, the bottom fixed mounting of mechanical fixture main part has the mobile device, the top of mechanical fixture main part is provided with clamping device, one side of clamping device is provided with rotating device, clamping device and rotating device's quantity is two, two clamping device and rotating device set up the upper surface both ends in the mechanical fixture main part respectively.

The clamping device comprises a clamping arm, a movable rod is arranged on the inner side of the clamping arm, and the outer surface of the movable rod is movably connected with the inner wall of the clamping arm.

The rotating device comprises a moving column, a first motor is arranged inside the moving column, one end of the first motor is fixedly connected with the inner wall of the moving column, and a wiring end of the first motor is electrically connected with an external power supply.

The technical scheme of the utility model is further improved as follows: one end of the movable rod is fixedly provided with a limiting sleeve, and the other end of the movable rod is fixedly provided with a clamping plate.

The technical scheme of the utility model is further improved as follows: the surface of movable rod is provided with the spring, the inboard fixed connection of one end and the arm lock of spring, the other end of spring and the outside fixed connection of splint.

By adopting the technical scheme, the clamping arm, the movable rod, the limiting sleeve, the clamping plate and the spring in the scheme are matched together, and parts with different sizes and shapes can be clamped stably.

The technical scheme of the utility model is further improved as follows: the output shaft of the first motor is fixedly provided with a transmission gear, the outer surface of the transmission gear is connected with a gear in a meshing manner, and the inner surface of the gear is fixedly connected with a transmission rod.

By adopting the technical scheme, the first motor, the transmission gear, the transmission rod and the bearing in the scheme are matched together, so that the angle required by part processing is changed.

The technical scheme of the utility model is further improved as follows: the inner wall fixed mounting who removes the post has the bearing, the inner wall of bearing rotates with the one end of transfer line to be connected, the other end of transfer line and the surface fixed connection of arm lock.

The technical scheme of the utility model is further improved as follows: the mobile device is including the power box, the top of power box and the bottom fixed connection of base, the inner wall fixedly connected with second motor of power box, the output shaft fixedly connected with threaded rod of second motor, the other end of threaded rod rotates and is connected with rotating base, rotating base's top and the bottom fixed connection of base, the surface swing joint of threaded rod has the thread bush, the top of thread bush and the bottom fixed connection who removes the post, one side of threaded rod is provided with the slide bar.

Adopt above-mentioned technical scheme, second motor, threaded rod, rotating base, thread bush, slide bar in this scheme cooperate jointly, and mobile device is firm to be cliied the part.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:

1. the utility model provides a fixed mechanical clamp for machining, which adopts the matching among a clamping arm, a movable rod, a limiting sleeve, a clamping plate and a spring, and a device is supported by the clamping arm, when parts of the clamping plate clamp are different in size, the movable rod extends to the outer side of the clamping arm, the part is extruded in the clamping plate by the spring, the movable rod is prevented from falling out of the clamping arm by the limiting sleeve, the parts with different sizes and shapes can be stably clamped, and the condition that the parts are machined and damaged due to the fact that the parts are not stably clamped in machining is prevented.

2. The utility model provides a fixed mechanical fixture for machining, which adopts the matching among a first motor, a transmission gear, a transmission rod and a bearing, and drives the transmission gear on the transmission shaft to rotate through the rotation of the transmission shaft of the first motor, so that the gear rotates and drives the transmission rod to rotate around the bearing, thereby driving a clamping device to rotate, and the fixed mechanical fixture can be changed according to the angle required in machining, thereby improving the efficiency of part machining.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the structural mobile device of the present invention;

FIG. 3 is a perspective view of the structural clamping device of the present invention;

fig. 4 is a schematic perspective sectional view of the structure rotating device of the present invention.

In the figure: 1. a mechanical clamp body; 2. a clamping device; 3. a rotating device; 4. a base; 5. a mobile device; 21. clamping arms; 22. a splint; 23. a movable rod; 24. a spring; 25. a limiting sleeve; 31. a bearing; 32. a first motor; 33. moving the column; 34. a gear; 35. a transmission gear; 36. a transmission rod; 51. a power cartridge; 52. a second motor; 53. a threaded rod; 54. a threaded sleeve; 55. a slide bar; 56. the base is rotated.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the present invention provides a fixed mechanical fixture for machining, which includes a mechanical fixture main body 1, a base 4 is disposed at the bottom of the mechanical fixture main body 1, a sliding groove 57 is disposed in the middle of the base 4, a moving device 5 is fixedly mounted at the bottom of the mechanical fixture main body 1, a clamping device 2 is disposed at the top of the mechanical fixture main body 1, a rotating device 3 is disposed at one side of the clamping device 2, the number of the clamping device 2 and the rotating device 3 is two, the two clamping devices 2 and the rotating device 3 are respectively disposed at two ends of the upper surface of the mechanical fixture main body 1, the clamping device 2 includes a clamping arm 21, a movable rod 23 is disposed at the inner side of the clamping arm 21, the outer surface of the movable rod 23 is movably connected with the inner wall of the clamping arm 21, the rotating device 3 includes a moving column 33, a first motor 32 is disposed inside the moving column 33, one end of the first motor 32 is fixedly connected with the inner wall of the moving column 33, the wiring end electric connection of first motor 32 has external power supply, and the one end fixed mounting of movable rod 23 has stop collar 25, and the other end fixed mounting of movable rod 23 has splint 22, and the surface of movable rod 23 is provided with spring 24, the inboard fixed connection of the one end of spring 24 and arm lock 21, the other end of spring 24 and the outside fixed connection of splint 22.

In this embodiment, when the part is cliied in the removal of arm lock 21, when splint 22 cliies the part, because the extrusion makes movable rod 23 move to the arm lock 21 outside, utilizes spring 24 to make movable rod 23 inwards extrude splint 22, prevents through stop collar 25 that the movable rod from falling out from the arm lock, when facing the part that size and shape are different, can stabilize the part of cliping, prevents to appear becoming flexible man-hour, influences processingquality.

Example 2

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a transmission gear 35 is fixedly mounted on an output shaft of the first motor 32, a gear 34 is engaged and connected to an outer surface of the transmission gear 35, a transmission rod 36 is fixedly connected to an inner surface of the gear 34, a bearing 31 is fixedly mounted on an inner wall of the moving column 33, an inner wall of the bearing 31 is rotatably connected to one end of the transmission rod 36, and the other end of the transmission rod 36 is fixedly connected to an outer surface of the clamping arm 21.

In this embodiment, the first motor 32 is powered by an external power source, so that the transmission shaft rotates to drive the transmission gear 35 to rotate, so as to drive the gear 34 to transmit, so that the transmission rod 36 rotates by using the bearing 31 to drive the clamping device 2 to rotate, and the required angle can be conveniently adjusted during part processing.

Example 3

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the moving device 5 includes a power box 51, the top of the power box 51 is fixedly connected with the bottom of the base 4, the inner wall of the power box 51 is fixedly connected with a second motor 52, an output shaft of the second motor 52 is fixedly connected with a threaded rod 53, the other end of the threaded rod 53 is rotatably connected with a rotating base 56, the top of the rotating base 56 is fixedly connected with the bottom of the base 4, the outer surface of the threaded rod 53 is movably connected with a threaded sleeve 54, the top of the threaded sleeve 54 is fixedly connected with the bottom of the moving column 33, and one side of the threaded rod 53 is provided with a sliding rod 55.

In this embodiment, the second motor 52 provides a power source from the outside, so that the transmission shaft rotates to drive the threaded rod 53 to rotate through the rotating base 56, so as to drive the threaded sleeve 54 to move forward, so as to drive the clamping device 2 and the rotating device 3 to move forward, and when moving to the clamping device 2 and the rotating device 3 which are the same on one side, the part to be machined is clamped firmly.

The working principle of the mechanical fixture for machining will be described in detail below.

As shown in fig. 1-4, firstly, the second motor 52 provides power from outside, so that the transmission shaft rotates, and thus drives the threaded rod 53 to rotate through the rotating base 56, and drives the threaded sleeve 54 to move forward, so as to drive the clamping device 2 and the rotating device 3 to move forward, when the clamping device 2 and the rotating device 3 with the same side are moved, the part to be processed is clamped firmly, when the clamping arm 21 moves to clamp the part, when the clamping plate 22 clamps the part, the movable rod 23 moves to the outside of the clamping arm 21 due to the extrusion, the movable rod 23 is pressed inwards by the spring 24, the movable rod is prevented from falling out from the clamping arm through the limiting sleeve 25, when facing the parts with different sizes and shapes, the part can be clamped firmly, the looseness during processing is prevented, the processing quality is affected, when the power is provided by the external power supply through the first motor 32, the transmission shaft is rotated to drive the transmission gear 35 to rotate, so as to drive the gear 34 to transmit, and the transmission rod 36 is rotated by using the bearing 31, so as to drive the clamping device 2 to rotate, thereby facilitating the adjustment of the required angle during the part processing.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.

Claims

1. The utility model provides a fixed mechanical fixture for machining, includes mechanical fixture main part (1), the bottom of mechanical fixture main part (1) is provided with base (4), spout (57) have been seted up at the middle part of base (4), the bottom fixed mounting of mechanical fixture main part (1) has mobile device (5), its characterized in that: the top of the mechanical clamp main body (1) is provided with clamping devices (2), one side of each clamping device (2) is provided with a rotating device (3), the number of the clamping devices (2) and the number of the rotating devices (3) are two, and the two clamping devices (2) and the two rotating devices (3) are respectively arranged at two ends of the upper surface of the mechanical clamp main body (1);

the clamping device (2) comprises a clamping arm (21), a movable rod (23) is arranged on the inner side of the clamping arm (21), and the outer surface of the movable rod (23) is movably connected with the inner wall of the clamping arm (21);

rotating device (3) is including removing post (33), the inside of removing post (33) is provided with first motor (32), the one end of first motor (32) and the inner wall fixed connection who removes post (33), the wiring end electric connection of first motor (32) has external power supply.

2. A fixed mechanical jig for machining according to claim 1, characterized in that: one end fixed mounting of movable rod (23) has stop collar (25), the other end fixed mounting of movable rod (23) has splint (22).

3. A fixed mechanical jig for machining according to claim 2, characterized in that: the surface of movable rod (23) is provided with spring (24), the inboard fixed connection of one end and arm lock (21) of spring (24), the other end and the outside fixed connection of splint (22) of spring (24).

4. A fixed mechanical jig for machining according to claim 1, characterized in that: a transmission gear (35) is fixedly installed on an output shaft of the first motor (32), a gear (34) is connected to the outer surface of the transmission gear (35) in a meshed mode, and a transmission rod (36) is fixedly connected to the inner surface of the gear (34).

5. A fixed mechanical clamp for machining according to claim 4, characterized in that: the inner wall fixed mounting who removes post (33) has bearing (31), the inner wall of bearing (31) is rotated with the one end of transfer line (36) and is connected, the other end of transfer line (36) and the surface fixed connection of arm lock (21).

6. A fixed mechanical jig for machining according to claim 1, characterized in that: the mobile device (5) comprises a power box (51), the top of the power box (51) is fixedly connected with the bottom of the base (4), the inner wall of the power box (51) is fixedly connected with a second motor (52), an output shaft of the second motor (52) is fixedly connected with a threaded rod (53), the other end of the threaded rod (53) is rotatably connected with a rotating base (56), and the top of the rotating base (56) is fixedly connected with the bottom of the base (4).

7. The stationary mechanical jig for machining according to claim 6, characterized in that: the outer surface of the threaded rod (53) is movably connected with a threaded sleeve (54), the top of the threaded sleeve (54) is fixedly connected with the bottom of the movable column (33), and a sliding rod (55) is arranged on one side of the threaded rod (53).