CN220278931U

CN220278931U - Tool clamp

Info

Publication number: CN220278931U
Application number: CN202321459121.3U
Authority: CN
Inventors: 张�成; 郭强; 谢胜军; 李现操; 栗庆明; 张国青
Original assignee: Hebei Jushi Houda Machinery Co ltd
Current assignee: Hebei Jushi Houda Machinery Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-02
Anticipated expiration: 2033-06-09

Abstract

The utility model relates to a fixture clamp, which comprises a clamp table, wherein a conversion mechanism for conveniently replacing workpieces in the placing and processing direction is arranged on the upper surface of the clamp table, an installation table is fixed on the upper surface of the conversion mechanism, a clamping mechanism for conveniently clamping workpieces with different specifications is arranged on the upper surface of the installation table, the conversion mechanism comprises a fixed block fixed on the upper surface of the clamp table, a placing groove is formed in the upper surface of the fixed block, and an air cylinder is fixed on the inner bottom wall of the placing groove. This frock clamp has through having set up conversion mechanism, mutually supporting between fixed block, standing groove, cylinder, supporting seat and fixed plate and location bolt etc. can be in the work piece machine tool machining according to the production demand with the supporting seat jack-up in order to rotate the orientation of mount table and change the direction of processing, and the cooperation between location bolt and the jack can be fixed a position the position of mount table simultaneously, keeps conversion position accurate.

Description

Tool clamp

Technical Field

The utility model relates to the technical field of tool clamps, in particular to a tool clamp.

Background

The machine tool is a machine for manufacturing machines, plays a great role in industrial production, and is a machine tool for turning a rotating workpiece mainly by turning a tool. Tooling, i.e., process equipment, refers to the generic name of various tools used in the manufacturing process. As the name suggests, the fixture is a device for clamping a workpiece or guiding a tool, and the fixture is an indispensable component for machining, and the fixture technology is developing toward high precision, high efficiency, module, combination, versatility and economy.

The utility model discloses a fixture for a multi-angle machine tool, which relates to the field of fixture, and comprises a base, wherein the bottom end of a movable groove … … rotating shaft is fixedly arranged in the base and the bottom end of the movable groove, a rotating base is fixedly sleeved at the top of the rotating shaft, a fixture table is fixedly connected to the top end of the rotating base, a rotating table is arranged at the bottom end of the fixture table, the angle of the fixture table is adjusted by rotating the rotating table, when different angle demands are met, the angle of the fixture table is adjusted by directly rotating the rotating table, and the fixture table is stabilized after rotating by clamping a soft fixture block with a clamping groove. However, the problem that the corresponding clamping blocks are not convenient to replace according to workpieces of different specifications is also existed in the patent, the fixed clamping plates in the prior art are in a block shape, so that the square workpieces can be clamped and fixed conveniently, and when the disc workpieces are clamped in a plane processing mode, the contact surfaces between the fixed clamping plates and the workpieces are in point contact, so that the contact areas are small, the clamping force is affected, and the displacement is easily generated when the cutter is in contact processing, so that the processing precision is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a fixture clamp which has the advantages of convenience for rotating and installing corresponding clamping blocks aiming at different workpieces, and solves the problem that the corresponding clamping blocks are inconvenient to replace according to the workpieces with different specifications and types in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fixture comprises a fixture table, wherein a conversion mechanism for conveniently replacing the workpiece in the placing and processing direction is arranged on the upper surface of the fixture table, an installation table is fixed on the upper surface of the conversion mechanism, and a clamping mechanism for conveniently clamping workpieces with different specifications is arranged on the upper surface of the installation table;

the conversion mechanism comprises a fixed block fixed on the upper surface of the clamp table, a placing groove is formed in the upper surface of the fixed block, an air cylinder is fixed on the inner bottom wall of the placing groove, a supporting seat is connected to the outer side of an output shaft of the air cylinder in a rotating mode, a fixed plate is fixed between the four inner walls of the placing groove, and two positioning bolts are fixed on the upper surface of the fixed plate.

Further, the shape of the supporting seat is T-shaped, and the width of the supporting seat is equal to that of the fixed block.

Further, four jacks are formed in the lower surface of the supporting seat, and the inner diameters of the jacks are matched with the outer diameters of the positioning bolts.

Further, fixture is including seting up the adjustment tank at the mount table upper surface, be connected with adjusting screw through the bearing rotation between the left and right sides inner wall of adjustment tank, the right side of mount table upper surface is fixed with the connecting plate, adjusting screw's surface threaded connection has the movable plate, the dovetail has all been seted up to the front of movable plate and connecting plate, two all slip grafting has the forked tail piece between the interior roof of dovetail and the interior bottom wall, two one side that the forked tail piece is relative all is fixed with the clamp splice.

Further, the left end of the adjusting screw rod penetrates through and extends to the left side of the mounting table and is fixedly provided with a rotary table, and the width of the moving plate is equal to the length between the inner walls of the front side and the rear side of the adjusting groove.

Further, the guide rail is fixed on the inner top wall of the adjusting groove, the sliding groove is formed in the lower surface of the moving plate, and the moving plate is connected to the outer surface of the guide rail in a sliding mode through the sliding groove.

Further, the length of the clamping block is larger than the length between the inner walls of the front side and the rear side of the adjusting groove, and the lower surface of the clamping block and the upper surface of the mounting table are positioned on the same horizontal line.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this frock clamp has through having set up conversion mechanism, mutually supporting between fixed block, standing groove, cylinder, supporting seat and fixed plate and location bolt etc. can be in the work piece machine tool machining according to the production demand with the supporting seat jack-up in order to rotate the orientation of mount table and change the direction of processing, and the cooperation between location bolt and the jack can be fixed a position the position of mount table simultaneously, keeps conversion position accurate.

2. This frock clamp has through having set up fixture, mutually supporting between adjustment groove, adjusting screw, connecting plate, movable plate, dovetail and clamp splice etc. can drive the movable plate of adjusting screw drive through the carousel of rotation and remove the cooperation connecting plate under the effect of guide rail and carry out the centre gripping fixed in order to lathe processing to the clamp splice that the slip grafting installation can be convenient for change the adaptation according to work piece specification type carries out centre gripping fixed use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a conversion mechanism according to the present utility model;

fig. 3 is a schematic view of a clamping mechanism according to the present utility model.

In the figure: the device comprises a fixture platform 1, a conversion mechanism 2, a fixed block 201, a placing groove 202, an air cylinder 203, a supporting seat 204, a fixed plate 205, a positioning bolt 206, a jack 207, a mounting platform 3, a clamping mechanism 4, an adjusting groove 401, an adjusting screw 402, a connecting plate 403, a moving plate 404, a dovetail groove 405, a dovetail block 406, a clamping block 407, a turntable 408 and a guide rail 409.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a fixture in this embodiment includes a fixture table 1, a conversion mechanism 2 for conveniently replacing a workpiece in a machining direction is disposed on an upper surface of the fixture table 1, an installation table 3 is fixed on an upper surface of the conversion mechanism 2, and a clamping mechanism 4 for conveniently clamping workpieces of different specifications is disposed on an upper surface of the installation table 3.

Referring to fig. 2, in order to quickly change the processing direction of a workpiece, the switching mechanism 2 in this embodiment includes a fixed block 201 fixed on the upper surface of the fixture table 1, a placement groove 202 is formed on the upper surface of the fixed block 201, an air cylinder 203 is fixed on the inner bottom wall of the placement groove 202, a supporting seat 204 is rotatably connected to the outer side of the output shaft of the air cylinder 203, when the processing direction is required to be changed due to the limitation, a user starts the air cylinder 203, the air cylinder 203 is communicated with an external air pump as a driving source, and extends out of the output shaft to push the supporting seat 204 to move upwards along the placement groove 202 until a positioning bolt 206 is separated from the insertion hole 207, then the user can rotate the installation table 3 to move ninety degrees to change the processing direction, a fixing plate 205 is fixed between four inner walls of the placement groove 202, and two positioning bolts 206 are fixed on the upper surface of the fixing plate 205.

In this embodiment, the shape of the supporting seat 204 is T-shaped, after the rotation is completed, the user starts the output shaft of the cylinder 203 to retract to drive the supporting seat 204 to move downwards, the width of the supporting seat 204 is equal to the width of the fixed block 201, four insertion holes 207 are formed in the lower surface of the supporting seat 204, the inner diameter of each insertion hole 207 is matched with the outer diameter of the corresponding positioning bolt 206, and when the positioning bolt 206 rotates in place, the positioning bolt 206 can be smoothly and slidably inserted into the other two insertion holes 207 to fix the supporting seat 204, so that the continuous rotation is avoided.

Referring to fig. 3, in order to selectively mount corresponding clamping blocks 407 for workpieces of different types and specifications, the clamping mechanism 4 in this embodiment includes an adjusting groove 401 formed on the upper surface of the mounting table 3, an adjusting screw 402 is rotatably connected between inner walls of the left and right sides of the adjusting groove 401 through a bearing, a connecting plate 403 is fixed on the right side of the upper surface of the mounting table 3, a moving plate 404 is screwed on the outer surface of the adjusting screw 402, the workpiece is placed on the mounting table 3, a user drives the moving plate 404 to move through rotating the rotating plate 408, the moving plate 404 and the front surface of the connecting plate 403 are respectively provided with a dovetail groove 405, dovetail blocks 406 are slidably inserted between inner top walls and inner bottom walls of the two dovetail grooves 405, the selected clamping blocks 407 are slidably inserted into the dovetail grooves 405 for mounting, the clamping blocks 407 are fixed on opposite sides of the two dovetail blocks 406, the user selects the corresponding clamping blocks 407 according to the shape of the workpiece, for example, when the workpiece is a square workpiece, the clamping blocks 407 are selected, and when the circular workpiece is priced, the clamping blocks 407 are selectively provided with the clamping blocks with the clamping grooves are slidably inserted into the dovetail blocks, contact areas are increased.

In this embodiment, the left end of the adjusting screw 402 penetrates and extends to the left side of the mounting table 3 and is fixed with a turntable 408, the width of the moving plate 404 is equal to the length between the inner walls of the front side and the rear side of the adjusting groove 401, the inner top wall of the adjusting groove 401 is fixed with a guide rail 409, a sliding groove is provided on the lower surface of the moving plate 404, the moving plate 404 is slidably connected to the outer surface of the guide rail 409 through the sliding groove, when the moving plate 404 moves, the moving plate 404 can slide on the outer surface of the guide rail 409 through the sliding groove to keep the moving plate 404 to perform horizontal linear movement, the length of the clamping block 407 is greater than the length between the inner walls of the front side and the rear side of the adjusting groove 401, the lower surface of the clamping block 407 and the upper surface of the mounting table 3 are located on the same horizontal line, and the moving plate 404 pushes the clamping block 407 to move to shorten the distance between the two clamping blocks 407 and contact with the outer side of a workpiece for clamping and fixing.

The working principle of the embodiment is as follows:

(1) When the quick change of the processing direction of the workpiece is used, the workpiece is firstly placed on the mounting table 3, then the workpiece is clamped and fixed through the clamping mechanism 4, when the processing is limited and the processing direction needs to be changed, the cylinder 203 is started by a user, the cylinder 203 is communicated with an external air pump and used as a driving source, the supporting seat 204 is pushed by the extending output shaft to move upwards along the placing groove 202 until the positioning bolt 206 is separated from the inserting hole 207, then the mounting table 3 can be rotated by ninety degrees by the user to change the processing direction, in order to ensure that the rotating angle is in place, the supporting seat 204 is retracted and driven by the output shaft of the starting cylinder 203 after the rotating is finished, and the positioning bolt 206 can be smoothly and slidably inserted into the other two inserting holes 207 after the rotating is in place, so that the supporting seat 204 is positioned and fixed, and the continuous rotation is avoided.

(2) When the corresponding clamping blocks 407 are selectively installed on workpieces of different types and specifications, a user selects the corresponding clamping blocks 407 according to the shape of the workpieces, for example, when the workpieces are square workpieces, the block-shaped clamping blocks 407 are selected, when the workpieces are circular disk-shaped workpieces, the clamping blocks 407 with clamping arc grooves can be selected to increase the contact area, the selected clamping blocks 407 are slidably inserted into the dovetail grooves 405 through the dovetail blocks 406 to be installed, then the workpieces are placed on the installation table 3, the user drives the adjusting screw 402 through the rotating turntable 408 to drive the moving plate 404 to move, when the moving plate 404 moves, the moving plate 404 can slide on the outer surface of the guide rail 409 through the sliding grooves to keep the moving plate 404 to perform horizontal linear movement, and the moving plate 404 pushes the clamping blocks 407 to move to shorten the distance between the two clamping blocks 407 and contact with the outer sides of the workpieces to be clamped and fixed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a frock clamp, includes anchor clamps platform (1), its characterized in that: the fixture comprises a fixture table (1), wherein the upper surface of the fixture table (1) is provided with a conversion mechanism (2) for conveniently replacing workpieces in the placing and processing direction, the upper surface of the conversion mechanism (2) is fixedly provided with a mounting table (3), and the upper surface of the mounting table (3) is provided with a clamping mechanism (4) for conveniently clamping the workpieces with different specifications;

the conversion mechanism (2) comprises a fixed block (201) fixed on the upper surface of the clamp table (1), a placing groove (202) is formed in the upper surface of the fixed block (201), an air cylinder (203) is fixed on the inner bottom wall of the placing groove (202), a supporting seat (204) is rotatably connected to the outer side of an output shaft of the air cylinder (203), a fixed plate (205) is fixed between the four inner walls of the placing groove (202), and two positioning bolts (206) are fixed on the upper surface of the fixed plate (205).

2. A tool clamp according to claim 1, wherein: the shape of the supporting seat (204) is T-shaped, and the width of the supporting seat (204) is equal to that of the fixed block (201).

3. A tool clamp according to claim 1, wherein: four jacks (207) are formed in the lower surface of the supporting seat (204), and the inner diameter of each jack (207) is matched with the outer diameter of the corresponding positioning bolt (206).

4. A tool clamp according to claim 1, wherein: clamping mechanism (4) are including seting up adjustment tank (401) at mount table (3) upper surface, be connected with adjusting screw (402) through bearing rotation between the left and right sides inner wall of adjustment tank (401), the right side of mount table (3) upper surface is fixed with connecting plate (403), the surface threaded connection of adjusting screw (402) has movable plate (404), dovetail (405) have all been seted up in the front of movable plate (404) and connecting plate (403), two all slip grafting has dovetail (406) between the interior roof of dovetail (405) and the interior bottom wall, two one side that dovetail (406) are relative all is fixed with clamp splice (407).

5. A tool holder according to claim 4, wherein: the left end of the adjusting screw rod (402) penetrates through and extends to the left side of the mounting table (3) and is fixedly provided with a rotary table (408), and the width of the moving plate (404) is equal to the length between the inner walls of the front side and the rear side of the adjusting groove (401).

6. A tool holder according to claim 4, wherein: the guide rail (409) is fixed on the inner top wall of the adjusting groove (401), a sliding groove is formed in the lower surface of the moving plate (404), and the moving plate (404) is connected to the outer surface of the guide rail (409) in a sliding mode through the sliding groove.

7. A tool holder according to claim 4, wherein: the length of the clamping block (407) is greater than the length between the inner walls of the front side and the rear side of the adjusting groove (401), and the lower surface of the clamping block (407) and the upper surface of the mounting table (3) are positioned on the same horizontal line.