CN222957541U

CN222957541U - Quick replacement mechanism for machine tool clamp

Info

Publication number: CN222957541U
Application number: CN202421873121.2U
Authority: CN
Inventors: 范如意
Original assignee: Anhui Xinyicheng Precision Machinery Co ltd
Current assignee: Anhui Xinyicheng Precision Machinery Co ltd
Priority date: 2024-08-05
Filing date: 2024-08-05
Publication date: 2025-06-10
Anticipated expiration: 2034-08-05

Abstract

The utility model discloses a quick-change mechanism for machine tool clamps, including a clamp body, a mounting block installed inside the clamp body, and a mounting mechanism installed on the surface of the mounting block, the mounting mechanism is fixedly connected to a limiting mechanism, and a chuck is sleeved on the outer end of the limiting mechanism, a pushing mechanism is installed inside the limiting mechanism, and a positioning column is fixedly connected to the surface of the mounting block. The utility model sleeves the chuck on the surface of the plug-in column, and the adjusting screw can be rotated to move the pushing block on its surface. At this time, the pushing block squeezes two groups of telescopic blocks, so that the two groups of telescopic blocks extend from the inside of the plug-in column and are inserted in the chuck, and the chuck can be installed, and by pushing the block away from the telescopic block, the telescopic block can be retracted into the plug-in column by the elastic force of the reset spring itself, thereby effectively facilitating the quick disassembly and replacement of the chuck.

Description

Quick replacement mechanism for machine tool clamp

Technical Field

The utility model relates to the technical field of machine tool fixtures, in particular to a quick replacing mechanism for a machine tool fixture.

Background

The machine tool fixture is a device used for clamping a workpiece and guiding a cutter on a machine tool. Refers to a fixture specially designed for a certain process of a certain workpiece. The device has the characteristics of compact structure, rapid, convenient and labor-saving operation, and can ensure higher processing precision and production efficiency.

When the existing machine tool clamp is used, the anti-skid patterns on the surfaces of the clamping jaws can be worn when the clamping jaws are used for a long time, so that when the clamping jaws are replaced, the clamping jaws are required to be sequentially detached by using a practical auxiliary tool and are sequentially installed, the replacement process is complicated, and therefore, a quick machine tool clamp replacement mechanism is provided for solving the problems.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a quick replacing mechanism for a machine tool clamp.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a quick replacement mechanism of lathe anchor clamps, includes the anchor clamps main part, the internally mounted of anchor clamps main part has the installation piece, and the surface mounting of installation piece has the installation mechanism, installation mechanism and stop gear fixed connection, and stop gear's outer pot head is equipped with the chuck, stop gear's internally mounted has pushing mechanism, the fixed surface of installation piece is connected with the reference column.

Preferably, the mounting mechanism comprises mounting bolts, the surface of the mounting block is provided with a connecting plate through the mounting bolts, the connecting plate is fixedly connected with the surface of the limiting mechanism, and two groups of the mounting bolts and the connecting plate are symmetrically arranged on the surface of the plug-in column, so that the mounting stability of the plug-in column can be improved.

Preferably, the stop gear includes the spliced pole, the terminal surface fixedly connected with spliced pole of connecting plate, and the inner wall and the reset spring one end welding of spliced pole, reset spring's the other end welding has the drive board, and the end fixedly connected with flexible fixture block of drive board, reset spring and drive board can conveniently make flexible fixture block reset.

Preferably, the first slider of both sides of flexible fixture block all fixedly connected with, the spout with first slider looks adaptation is seted up to the inner wall of grafting post, can play spacing guide flexible fixture block's effect through first slider.

Preferably, the jack matched with the plug-in column is arranged in the chuck, the through hole matched with the telescopic clamping block is arranged on the surface of the plug-in column, the groove matched with the telescopic clamping block is arranged on the inner wall of the jack, and the chuck can be sleeved on the surface of the plug-in column through the jack arranged in the chuck.

Preferably, the pushing mechanism comprises an adjusting stud, the outer end of the plug-in column is provided with the adjusting stud through a bearing, the surface of the adjusting stud is sleeved with a pushing block, two sides of the pushing block are fixedly connected with second sliding blocks, the inner wall of the plug-in column is provided with a sliding groove matched with the second sliding blocks, and the second sliding blocks can slide along the sliding groove through movement of the pushing block to play a role of limiting and guiding the pushing block.

Preferably, the two end surfaces of the pushing block are inclined planes, and the inclined planes are arranged on the surfaces of the telescopic clamping blocks, so that the pushing block can push the two groups of telescopic clamping blocks.

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

1. The device is through establishing the chuck cover at the surface of spliced pole, can rotate the regulation double-screw bolt, makes the impeller block remove at its surface, promotes two sets of flexible fixture blocks of piece extrusion at this moment, makes two sets of flexible fixture blocks follow spliced pole inside and stretch out and insert and establish in the chuck, can install the chuck to keep away from flexible fixture block through the impeller block, can make flexible fixture block shrink advance spliced pole in through reset spring self elasticity, thereby can effectually make things convenient for quick assembly disassembly change to the chuck.

2. The device passes the connecting plate through the mounting bolt, can conveniently dismantle the installation to spliced pole is whole, and convenient accessory can change when damaging, simultaneously through the fixed surface's of installation piece both ends reference column, can conveniently fix a position the installation to the chuck, improves the stability after the installation.

Drawings

Fig. 1 is a schematic perspective view of a quick change mechanism for a machine tool fixture according to the present utility model;

FIG. 2 is a schematic perspective view of the chuck and pushing mechanism of FIG. 1;

FIG. 3 is a schematic perspective cross-sectional view of the chuck structure of FIG. 1;

Fig. 4 is a schematic perspective cross-sectional view of the connection plate and plug-in post structure in fig. 1.

In the figure, 1, a clamp main body, 2, a mounting block;

3. 31, mounting bolts, 32, connecting plates;

4. the device comprises a limiting mechanism, 41, a plug-in column, 42, a return spring, 43, a driving plate, 44, a telescopic clamping block, 45 and a first sliding block;

5. a chuck;

6. A pushing mechanism; 61, an adjusting stud, 62, a pushing block, 63, a second sliding block;

7. And positioning columns.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a quick replacing mechanism for machine tool fixtures comprises a fixture main body 1, wherein an installation block 2 is installed in the fixture main body 1, an installation mechanism 3 is installed on the surface of the installation block 2, the installation mechanism 3 is fixedly connected with a limiting mechanism 4, a chuck 5 is sleeved on the outer end of the limiting mechanism 4, a pushing mechanism 6 is installed in the interior of the limiting mechanism 4, positioning columns 7 are fixedly connected with the surface of the installation block 2, two groups of positioning columns 7 are symmetrically arranged on the surface of the installation block 2, the two groups of positioning columns 7 are all cylindrical, grooves matched with the two groups of positioning columns 7 are formed in the inner side of the chuck 5, and the positioning columns 7 can be conveniently inserted into the grooves to play a role of positioning and installing the chuck 5.

Further, referring to fig. 3 and 4, it can be known that the mounting mechanism 3 includes a mounting bolt 31, the surface of the mounting block 2 is provided with a connecting plate 32 through the mounting bolt 31, and the connecting plate 32 is fixedly connected with the surface of the limiting mechanism 4, and the mounting block 2 is threaded through the connecting plate 32 by the mounting bolt 31, so that the plugging column 41 can be conveniently mounted.

Further, referring to fig. 3 and 4, it can be known that the limiting mechanism 4 includes a plug-in post 41, the end face of the connecting plate 32 is fixedly connected with the plug-in post 41, the inner wall of the plug-in post 41 is welded with one end of the return spring 42, the other end of the return spring 42 is welded with a driving plate 43, and the end of the driving plate 43 is fixedly connected with a telescopic clamping block 44, so that the driving plate 43 can conveniently drive the telescopic clamping block 44 to reset through the elasticity of the driving plate 43.

Further, referring to fig. 3 and 4, it can be known that the two sides of the telescopic clamping block 44 are fixedly connected with the first sliding block 45, the inner wall of the plugging column 41 is provided with a sliding groove adapted to the first sliding block 45, and the first sliding block 45 can slide along the sliding groove through the movement of the telescopic clamping block 44, so as to play a role in limiting and guiding the telescopic clamping block 44.

Further, referring to fig. 3 and 4, it can be known that the socket adapted to the plugging column 41 is provided in the chuck 5, the through hole adapted to the telescopic clamping block 44 is provided on the surface of the plugging column 41, the groove adapted to the telescopic clamping block 44 is provided on the inner wall of the socket, and the socket is inserted into the chuck 5 through the telescopic clamping block 44 through the plugging column 41, so that the effect of the chuck 5 can be conveniently installed.

Further, referring to fig. 3 and 4, it can be known that the pushing mechanism 6 includes an adjusting stud 61, the outer end of the plugging post 41 is provided with the adjusting stud 61 through a bearing, the surface of the adjusting stud 61 is sleeved with a pushing block 62, two sides of the pushing block 62 are fixedly connected with a second sliding block 63, a sliding groove adapted to the second sliding block 63 is provided on the inner wall of the plugging post 41, and the pushing block 62 can be moved along the surface thereof by rotating the adjusting stud 61, so that the pushing block 62 is convenient to push the two groups of telescopic clamping blocks 44.

Further, referring to fig. 3 and 4, it can be known that the two end surfaces of the pushing block 62 are both inclined surfaces, the surface of the telescopic clamping block 44 is provided with an inclined surface, and the inclined surfaces of the pushing block 62 and the inclined surfaces of the surface of the telescopic clamping block 44 can be extruded by the two ends of the pushing block 62, so that the pushing block 62 can push the two groups of telescopic clamping blocks 44 conveniently.

When the clamp is used, according to the utility model, when the clamp body 1 is used, the mounting bolt 31 passes through the connecting plate 32 to be connected with the mounting block 2 in a threaded manner according to the attached drawings 1, 2, 3 and 4, the plug-in post 41 can be mounted on the surface of the mounting block 2, the chuck 5 is sleeved on the surface of the plug-in post 41, and the positioning post 7 is inserted into the chuck 5, so that when the clamp rotates to the adjusting stud 61, the pushing block 62 can move along the surface of the adjusting stud, the pushing block 62 presses two groups of telescopic clamping blocks 44, the telescopic clamping blocks 44 can extend out of the plug-in post 41, and when the telescopic clamping blocks 44 move, the driving plate 43 can drive the reset spring 42 to be in a contracted state, and therefore, when the telescopic clamping blocks 44 pass through the plug-in post 41 to be inserted into the chuck 5, the chuck 5 can be mounted on the surface of the plug-in post 41;

the above is the whole working principle of the utility model.

In the utility model, the installation mode, the connection mode or the setting mode of all the components are common mechanical modes, and the specific structure, the model and the coefficient index of all the components are self-contained technologies, so long as the beneficial effects can be achieved, the implementation can be carried out, and redundant description is omitted.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

In the present utility model, unless otherwise indicated, the terms "about" and "front and back," inner and outer, and vertical levels, "etc., used herein are merely intended to refer to the orientation of the term in conventional use, or are colloquially known to those skilled in the art, and should not be construed as limiting the term, while the terms" first, "second," and "third," etc., do not denote a particular number or order, but are merely intended to be used in distinguishing between the terms, and the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A quick-change mechanism for a machine tool fixture, comprising a fixture body (1), characterized in that a mounting block (2) is installed inside the fixture body (1), and a mounting mechanism (3) is installed on the surface of the mounting block (2), the mounting mechanism (3) is fixedly connected to a limiting mechanism (4), and a chuck (5) is provided on the outer end of the limiting mechanism (4), a pushing mechanism (6) is installed inside the limiting mechanism (4), and a positioning column (7) is fixedly connected to the surface of the mounting block (2).

2. A machine tool fixture quick change mechanism according to claim 1, characterized in that the mounting mechanism (3) comprises mounting bolts (31), a connecting plate (32) is mounted on the surface of the mounting block (2) via the mounting bolts (31), and the connecting plate (32) is fixedly connected to the surface of the limiting mechanism (4).

3. A machine tool fixture quick change mechanism according to claim 2, characterized in that the limiting mechanism (4) includes a plug-in column (41), the end surface of the connecting plate (32) is fixedly connected with the plug-in column (41), and the inner wall of the plug-in column (41) is welded to one end of a return spring (42), the other end of the return spring (42) is welded with a driving plate (43), and the end of the driving plate (43) is fixedly connected with a telescopic block (44).

4. A machine tool fixture quick-change mechanism according to claim 3, characterized in that both sides of the telescopic block (44) are fixedly connected to a first slider (45), and the inner wall of the plug-in column (41) is provided with a sliding groove adapted to the first slider (45).

5. A machine tool fixture quick change mechanism according to claim 1, characterized in that a socket compatible with the plug-in column (41) is provided inside the chuck (5), a through hole compatible with the telescopic block (44) is provided on the surface of the plug-in column (41), and a groove compatible with the telescopic block (44) is provided on the inner wall of the socket.

6. A machine tool fixture quick change mechanism according to claim 5, characterized in that the pushing mechanism (6) includes an adjusting stud (61), the outer end of the plug-in column (41) is equipped with the adjusting stud (61) through a bearing, and the surface of the adjusting stud (61) is sleeved with a pushing block (62), both sides of the pushing block (62) are fixedly connected with a second slider (63), and the inner wall of the plug-in column (41) is provided with a sliding groove adapted to the second slider (63).

7. A machine tool fixture quick-change mechanism according to claim 6, characterized in that both end surfaces of the pushing block (62) are arranged as inclined surfaces, and the surface of the telescopic clamping block (44) is arranged as an inclined surface.