CN213224478U

CN213224478U - Work fixture

Info

Publication number: CN213224478U
Application number: CN202022065229.7U
Authority: CN
Inventors: 齐兵兵; 赵红安; 李联合
Original assignee: Xi'an Xinming Machinery Manufacturing Co ltd
Current assignee: Xi'an Xinming Machinery Manufacturing Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-18
Anticipated expiration: 2030-09-18

Abstract

The application relates to a tool clamp, its mount pad, fixed block, movable block, drive arrangement and stop device, the fixed block install in on the mount pad, the movable block with mount pad sliding connection and with the fixed block sets up relatively, drive arrangement is used for the drive the movable block orientation the fixed block removes, stop device install in on the fixed block, including clamp plate and moving mechanism, the clamp plate set up in the fixed block is kept away from mount pad one end, moving mechanism is used for control the clamp plate orientation the mount pad removes. This application can improve the centre gripping effect to the work piece.

Description

Work fixture

Technical Field

The application relates to the field of machining tools, in particular to a tool clamp.

Background

The tool clamp is widely installed on machining equipment and used for clamping a workpiece to be machined, so that the workpiece is kept stable in the subsequent machining process and is convenient to position the workpiece.

The utility model discloses a chinese utility model patent that application number is CN201820694187.3 discloses a numerically controlled fraise machine frock clamp, include the mount pad and set up in the fixture device on mount pad upper portion, fixture device includes two anchor clamps bodies that set up on the mount pad, at least one the anchor clamps body slide and set up on the mount pad, the anchor clamps body be provided with the installation face that is used for with the work piece laminating of vertical direction is fixed, the upper portion department of installation face sets up to the inclined plane, two anchor clamps specific installation face sets up relatively, the inclined plane formation of two installation faces is used for processing the installation space of keyway work piece, is located can dismantle on the mount pad between the installation face and be provided with the locating piece.

In view of the above-mentioned related art, the inventor believes that the clamp body does not have a good clamping effect on the workpiece when the surface of the workpiece and the clamp which are attached and fixed is not flat.

SUMMERY OF THE UTILITY MODEL

In order to improve the centre gripping effect to the work piece, this application provides a frock clamp.

The application provides a frock clamp adopts following technical scheme:

the utility model provides a frock clamp which characterized in that: the movable block is arranged on the mounting seat, the movable block is connected with the mounting seat in a sliding mode and is arranged opposite to the fixed block, the driving device is used for driving the movable block to move towards the fixed block, the limiting device is arranged on the fixed block and comprises a pressing plate and a moving mechanism, the pressing plate is arranged at one end, far away from the mounting seat, of the fixed block, and the moving mechanism is used for controlling the pressing plate to move towards the mounting seat.

By adopting the technical scheme, when the clamping device is used, the workpiece is placed on the mounting seat, the moving device drives the pressing plate to move to the position in contact with the workpiece, the driving device is controlled to drive the moving block to move towards the fixed block until the moving block and the fixed block are in contact with the workpiece, and the workpiece is clamped, so that the phenomenon that the workpiece is tilted due to the fact that the workpiece is not flat on the surface where the workpiece is attached to the fixed block and the moving block is reduced, the subsequent processing effect on the workpiece is influenced, and the clamping effect on the workpiece is improved.

Optionally, the moving mechanism includes first threaded rod, gag lever post and screw thread piece, first threaded rod install in on the fixed block and vertical setting, first threaded rod with the fixed block rotates to be connected, gag lever post fixed mounting in on the fixed block and with first threaded rod is parallel, first threaded rod threaded connection have with clamp plate fixed connection's screw thread piece, screw thread piece with gag lever post sliding connection.

Through adopting above-mentioned technical scheme, moving mechanism adopts the first threaded rod that rotates vertical setting to drive the screw thread piece and remove along vertical direction under the effect of gag lever post, remove in vertical direction thereupon with screw thread piece fixed connection's clamp plate, be convenient for adapt to not unidimensional work piece, improve application scope.

Optionally, the limiting rod is arranged in a hollow mode and sleeved outside the first threaded rod, and a sliding groove for the threaded block to penetrate is formed in the limiting rod.

Through adopting above-mentioned technical scheme, the hollow setting of gag lever post just overlaps outside locating first threaded rod, saves the volume on the one hand, and on the other hand is favorable to protecting the threaded rod, prolongs the life of threaded rod.

Optionally, the fixed block includes first locating piece, second locating piece, articulated shaft and stop gear, first locating piece with mount pad fixed connection, the second locating piece pass through the articulated shaft with first locating piece rotates to be connected, the articulated shaft level sets up and is connected with stop gear.

By adopting the technical scheme, the fixing block is provided with the first positioning block and the second positioning block which are mutually hinged, and the hinged state of the first positioning block and the second positioning block is limited by the limiting mechanism; because milling cutter sets up in the use usually in the work piece top, the existence of clamp plate can have the possibility that influences the normal processing of work piece, consequently after the clamp plate finishes using, can rotate for first locating piece with the second locating piece that is connected with the clamp plate, remove the clamp plate to keeping away from the work piece position, reduce the normal processing of the influence work piece that shelters from of clamp plate to the work piece.

Optionally, stop gear includes limiting plate and locating pin, the second locating piece with articulated shaft fixed connection, first locating piece with the articulated shaft rotates to be connected, the limiting plate with perpendicular and fixed connection of articulated shaft, the locating pin with the articulated shaft is parallel and pass the limiting plate and insert in the first locating piece.

Through adopting above-mentioned technical scheme, stop gear adopts locating pin and limiting plate cooperation, and the limiting plate is perpendicular and fixed connection with the articulated shaft, and after well center pin rotated to required position with the second locating piece together, pass the limiting plate with the locating pin and insert in the first locating piece to realize the fixed of first limiting plate and second limiting plate relative position, simple structure and connection are stable.

Optionally, the pressing plate is provided with a plurality of abutting rods towards one side of the mounting seat, the abutting rods are vertically and slidably connected with the pressing plate, the abutting rods are sleeved with telescopic springs, one ends of the telescopic springs are fixedly connected with the abutting rods towards one ends of the mounting seat, and the other ends of the telescopic springs are fixedly connected with the pressing plate.

Through adopting above-mentioned technical scheme, a plurality of butt joint poles of clamp plate sliding connection, the butt joint pole is connected with expanding spring simultaneously, realizes spacing to the work piece of surface unevenness, improves the stability in application scope and the use of this anchor clamps.

Optionally, the driving device includes a second threaded rod and a handle, the mounting seat has a moving groove, the second threaded rod is placed in the moving groove, one end of the second threaded rod is rotatably connected with the mounting seat, the other end of the second threaded rod penetrates through the moving groove and is connected with the handle, and the moving block is in threaded connection with the second threaded rod.

Through adopting above-mentioned technical scheme, the drive arrangement that the movable block is connected adopts the screw rod structure, simple structure and connection stability to can realize self-locking function.

Optionally, one side of the mounting seat, which is far away from the fixed block, is rotatably connected with a turntable.

Through adopting above-mentioned technical scheme, the mount pad rotates and connects the carousel, can adjust anchor clamps in the horizontal direction, is convenient for process each position of work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the moving device drives the pressing plate to move to a position where the pressing plate abuts against a workpiece, the position of the workpiece is pre-fixed, the phenomenon that the workpiece is tilted due to the fact that the surface, which is attached to the fixed block and the moving block, of the workpiece is uneven, the subsequent processing effect on the workpiece is influenced can be reduced, and the clamping effect on the workpiece is improved;

2. the pressing plate is connected with a plurality of abutting rods in a sliding mode, and the abutting rods are connected with the telescopic springs, so that the limiting of workpieces with uneven surfaces is realized, and the application range and the stability in the use process of the clamp are improved;

3. the mounting seat rotates to be connected with the rotary table, so that the clamp can be adjusted in the horizontal direction, and each position of a workpiece can be conveniently machined.

Drawings

Fig. 1 is a schematic overall structure diagram of a tool holder according to an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a mounting seat; 2. a fixed block; 21. a first positioning block; 22. a second positioning block; 23. hinging a shaft; 24. a limiting mechanism; 241. a limiting plate; 242. positioning pins; 3. a moving block; 4. a drive device; 41. a second threaded rod; 42. a handle; 43. a moving groove; 5. a limiting device; 51. pressing a plate; 52. a moving mechanism; 521. a first threaded rod; 522. a limiting rod; 5221. a chute; 523. a thread block; 6. a butting rod; 7. a tension spring; 8. a turntable.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a tool clamp. Referring to fig. 1, the tool clamp comprises a rotary table 8 connected with a rack in a sliding mode, a rotary shaft is welded at the circle center of the rotary table 8, a mounting seat 1 is sleeved on the rotary shaft, and the mounting seat 1 and the rotary table 8 are arranged horizontally. The mounting seat 1 is provided with a moving groove 43, a second threaded rod 41 horizontally arranged is connected in the moving groove 43 in a rotating mode, one end of the second threaded rod 41 penetrates out of the moving groove 43 and is connected with a handle 42, and the second threaded rod 41 is in threaded connection with a vertically arranged moving block 3. The fixed block 2 is provided at the opposite side of the moving block 3.

Referring to fig. 1, the fixing block 2 includes a first positioning block 21 perpendicular to the mounting seat 1 and fixedly connected to the mounting seat through a bolt, the first positioning block 21 is parallel to the moving block 3, one end of the first positioning block 21, which is far away from the mounting seat 1, is rotatably connected to a hinge shaft 23, the hinge shaft 23 is horizontally disposed and perpendicular to the second threaded rod 41, the hinge shaft 23 is welded to a second positioning block 22, and the hinge shaft 23 is connected to a limiting mechanism 24. In this embodiment, articulated shaft 23 passes first locating piece 21 and welds limiting plate 241, and limiting plate 241 is perpendicular with articulated shaft 23, has all seted up the bolt hole on limiting plate 241 and the first locating piece 21, inserts first locating piece 21 through passing limiting plate 241 with the bolt during the use to realize the location between first locating piece 21 and the second locating piece 22.

Referring to fig. 1 and 2, one end of the second positioning block 22, which is far away from the first positioning block 21, is rotatably connected with a first threaded rod 521 perpendicular to the hinge shaft 23, a hollow limiting rod 522 is sleeved outside the first threaded rod 521, the limiting rod 522 is parallel to the first threaded rod 521 and is welded to the second positioning block 22, one end of the first threaded rod 521, which is far away from the second positioning block 22, penetrates through the limiting rod 522, a sliding groove 5221 is formed in the limiting rod 522 along the length direction of the limiting rod 522, a threaded block 523 in threaded connection with the first threaded rod 521 is arranged in the sliding groove 5221, and the threaded block 523 is integrally connected with a pressing plate 51 perpendicular to the second positioning.

Referring to fig. 1, in order to improve the stability of the pressing plate 51 to the workpiece extrusion, a plurality of evenly distributed abutting rods 6 are arranged on the pressing plate 51 towards one side of the mounting seat 1, the abutting rods 6 are perpendicular to the pressing plate 51 and are in sliding connection with the pressing plate 51, an expansion spring 7 is sleeved outside the abutting rods 6, one end of the expansion spring 7 is welded with the abutting rods 6 towards one end of the mounting seat 1, and the other end of the expansion spring is welded with the pressing plate 51 towards one side of the mounting seat 1.

The implementation principle of a tooling fixture in the embodiment of the application is as follows: when the positioning device is used, a workpiece is firstly placed on the mounting seat 1, the second positioning block 22 is rotated to a position parallel to the first positioning block 21, and the position is fixed through the limiting mechanism 24. Then, the first threaded rod 521 is driven to rotate, the threaded block 523 is driven to move in the chute 5221, so that the pressing plate 51 drives the abutting rod 6 to move until the abutting rod 6 contacts and abuts against the upper surface of the workpiece. Then, the second threaded rod 41 is rotated to drive the moving block 3 to move along the moving groove 43, that is, the moving block 3 moves towards the first positioning block 21 until the moving block 3 and the first positioning block 21 clamp the workpiece, so that the workpiece is stably clamped. Then the plug pin is pulled out, the second positioning block 22 is rotated, and the pressing plate 51 is moved to the side, away from the moving block 3, of the first positioning block 21, so that the interference of the pressing plate 51 to the workpiece machining process is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a frock clamp which characterized in that: the device comprises a mounting seat (1), a fixing block (2), a moving block (3), a driving device (4) and a limiting device (5), wherein the fixing block (2) is mounted on the mounting seat (1), the moving block (3) is connected with the mounting seat (1) in a sliding mode and is arranged opposite to the fixing block (2), the driving device (4) is used for driving the moving block (3) to move towards the fixing block (2), the limiting device (5) is mounted on the fixing block (2) and comprises a pressing plate (51) and a moving mechanism (52), the pressing plate (51) is arranged at one end, far away from the mounting seat (1), of the fixing block (2), and the moving mechanism (52) is used for controlling the pressing plate (51) to move towards the mounting seat (1).

2. The tooling clamp of claim 1, wherein: moving mechanism (52) include first threaded rod (521), gag lever post (522) and screw block (523), first threaded rod (521) install in on fixed block (2) and vertical setting, first threaded rod (521) with fixed block (2) are rotated and are connected, gag lever post (522) fixed mounting in on fixed block (2) and with first threaded rod (521) are parallel, first threaded rod (521) threaded connection have with clamp plate (51) fixed connection's screw block (523), screw block (523) with gag lever post (522) sliding connection.

3. The tooling clamp of claim 2, wherein: the limiting rod (522) is arranged in a hollow mode and sleeved outside the first threaded rod (521), and a sliding groove (5221) for the thread block (523) to penetrate through is formed in the limiting rod (522).

4. A tooling clamp according to claim 3, wherein: fixed block (2) include first locating piece (21), second locating piece (22), articulated shaft (23) and stop gear (24), first locating piece (21) with mount pad (1) fixed connection, second locating piece (22) through articulated shaft (23) with first locating piece (21) rotate to be connected, articulated shaft (23) level sets up and is connected with stop gear (24).

5. The tooling clamp of claim 4, wherein: stop gear (24) include limiting plate (241) and locating pin (242), second locating piece (22) with articulated shaft (23) fixed connection, first locating piece (21) with articulated shaft (23) rotate to be connected, limiting plate (241) with articulated shaft (23) is perpendicular and fixed connection, locating pin (242) with articulated shaft (23) are parallel and pass limiting plate (241) and insert in first locating piece (21).

6. The tooling clamp of claim 1, wherein: pressing plate (51) are provided with a plurality of buttjunction poles (6) towards mount pad (1) one side, buttjunction pole (6) with perpendicular and sliding connection of pressing plate (51), buttjunction pole (6) overcoat is equipped with expanding spring (7), expanding spring (7) one end with buttjunction pole (6) orientation mount pad (1) one end fixed connection, the other end with pressing plate (51) fixed connection.

7. The tooling clamp of claim 1, wherein: the driving device (4) comprises a second threaded rod (41) and a handle (42), a moving groove (43) is formed in the mounting seat (1), the second threaded rod (41) is placed in the moving groove (43), one end of the second threaded rod (41) is rotatably connected with the mounting seat (1), the other end of the second threaded rod (41) penetrates through the moving groove (43) to be connected with the handle (42), and the moving block (3) is in threaded connection with the second threaded rod (41).

8. The tooling clamp of claim 1, wherein: one side of the mounting seat (1) far away from the fixed block (2) is rotatably connected with a turntable (8).