CN217667880U - Automatic positioning and clamping type clamp for numerical control milling machine - Google Patents

Abstract

The utility model discloses an automatic tight anchor clamps for numerically controlled fraise machine of location clamp, drive assembly include the electricity jar, the one end of the piston rod of electricity jar articulates there are two connecting rods, the bottom fixedly connected with support frame of workstation, the inside of support frame is rotated through the pivot and is connected with two sets of rotating frame spare, and it is articulated with the piston rod of electricity jar that the rotating frame spare passes through the connecting rod, the utility model discloses during the use, the arrow promotes the movable block because the dead weight moves down in the barrel, extrudees starting switch, starting switch control electricity jar starts, and the rotating frame spare that drives both sides through the connecting rod revolutes the axle and rotates, along with the rotation of rotating frame spare, promotes the straight-bar removal that inside rotation is connected, and the straight-bar promotes two movable plates relative movement on the workstation through first horizontal pole for the fixture synchronous relative movement of locating assembly both sides carries out the synchronous positioning centre gripping to the work piece, and fixture's centre gripping frame is fixed with work piece locking, realizes autonomic location clamping action to the work piece.

Description

Automatic positioning and clamping type clamp for numerical control milling machine

Technical Field

The utility model relates to a numerically controlled fraise machine technical field specifically is an automatic tight anchor clamps for numerically controlled fraise machine of positioning clip.

Background

The numerical control milling machine is an automatic processing device developed on the basis of a common milling machine, the processing technology of the numerical control milling machine and the automatic processing device is basically the same, and the structures of the numerical control milling machine and the automatic processing device are also similar. The numerical control milling machine is divided into two types, namely a tool magazine without tool magazine and a tool magazine with tool magazine. The numerical control milling machine with the tool magazine is also called as a machining center, the workpiece needs to be clamped and fixed by a clamp before the workpiece is machined by the existing numerical control milling machine through a milling machine, the clamp needs to be screwed up manually by a small-sized numerical control milling machine, the operation is inconvenient, and the clamp is easy to deviate when clamping the workpiece, so that the positioning of the workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic tight anchor clamps for numerically controlled fraise machine of location clamp to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the clamp for the numerical control milling machine with the automatic positioning and clamping function comprises a workbench, wherein a positioning assembly is arranged at the top of the workbench, a driving assembly is arranged at the bottom of the workbench, and clamp assemblies are arranged on two sides of the workbench;

the driving assembly comprises an electric cylinder, one end of a piston rod of the electric cylinder is hinged with two connecting rods, the bottom of the workbench is fixedly connected with a supporting frame, two groups of rotating frame pieces are rotatably connected inside the supporting frame through rotating shafts, the rotating frame pieces are hinged with the piston rod of the electric cylinder through the connecting rods, and one side of each rotating frame piece is provided with a through groove;

the clamp assembly comprises a straight rod, the straight rod is rotatably connected inside the through groove, and a clamping mechanism is arranged on one side of the straight rod;

the positioning assembly comprises a barrel, a moving block is inserted into the barrel in a sliding mode, a lifting plate is fixedly connected into the moving block, and an elastic reset mechanism and a starting switch are arranged in the barrel.

Preferably, the elastic reset mechanism comprises two elastic sheets, wherein the inner sides of the elastic sheets are provided with supporting blocks, and the supporting blocks are fixedly connected to the inner bottom wall of the cylinder body.

Preferably, the clamping mechanism comprises a moving plate, one side of the moving plate is connected with a first cross rod through a second sliding rail in a sliding manner, one end of the first cross rod is fixedly connected to one side of the straight rod, and a push rod at one side of the moving plate is fixedly connected with a clamping frame through a second cross rod.

Preferably, the clamping frame is a semicircular frame body, and the inner side wall of the clamping frame is fixedly connected with an anti-skid pad.

Preferably, the top of the workbench is fixedly connected with two first sliding rails, the moving plate is slidably connected to the top of the workbench through the first sliding rails, and the bottom of the workbench is fixedly connected with a plurality of supporting seats.

Preferably, the electric control output end of the starting switch is electrically connected with the electric control input end of the electric cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses during the use, the arrow moves down in the barrel because the dead weight promotes the movable block, the extrusion starting switch, starting switch control electric cylinder starts, the revolving rack spare that drives both sides through the connecting rod revolutes the rotation of axes, along with the rotation of revolving rack spare, promote the straight-bar removal that inside rotation is connected, the straight-bar promotes two movable plates relative movement on the workstation through first horizontal pole, make the fixture synchronous relative movement of locating component both sides, carry out the synchronous location centre gripping to the work piece, fixture's centre gripping frame is fixed with work piece locking, realize independently fixing a position the clamping action to the work piece, easy operation is convenient.

Drawings

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

FIG. 2 is a schematic structural view of the workbench of the present invention;

fig. 3 is a schematic sectional structural view of the cylinder of the present invention;

fig. 4 is a schematic top view of the holding frame of the present invention;

fig. 5 is a schematic structural view of the rotating frame member of the present invention.

In the figure: 1. a work table; 2. a positioning assembly; 21. a barrel; 22. a moving block; 23. a lifting plate; 24. A spring plate; 25. a supporting block; 26. starting a switch; 3. an electric cylinder; 4. a support frame; 5. a connecting rod; 6. A rotating frame member; 7. a through groove; 8. a clamp assembly; 81. moving the plate; 82. a first cross bar; 83. a straight rod; 84. A second cross bar; 85. a clamping frame; 86. a non-slip mat; 87. a first slide rail; 88. a second slide rail; 9. and (4) supporting the base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an automatic tight anchor clamps for numerically controlled fraise machine of location clamp, includes workstation 1, a plurality of supporting seats of bottom fixedly connected with 9 of workstation 1, and supporting seat 9 plays the supporting role to workstation 1, and the top of workstation 1 is equipped with locating component 2, and the bottom of workstation 1 is equipped with drive assembly, and the both sides of workstation 1 all are equipped with anchor clamps subassembly 8.

Drive assembly includes electric jar 3, and the one end of the piston rod of electric jar 3 articulates there are two connecting rods 5, and the bottom fixedly connected with support frame 4 of workstation 1, the inside of support frame 4 rotate through the pivot and are connected with two sets of frame parts 6 soon, and it is articulated with the piston rod of electric jar 3 through connecting rod 5 to revolve frame part 6, revolves one side of frame part 6 and has seted up logical groove 7.

The clamp assembly 8 comprises a straight rod 83, the straight rod 83 is rotatably connected inside the through groove 7, one side of the straight rod 83 is provided with a clamping mechanism, two first slide rails 87 fixedly connected to the top of the workbench 1, the moving plate 81 is connected to the top of the workbench 1 through the first slide rails 87 in a sliding manner, the clamping mechanism comprises a moving plate 81, one side of the moving plate 81 is connected with a first cross rod 82 through a second slide rail 88 in a sliding manner, one end of the first cross rod 82 is fixedly connected to one side of the straight rod 83, one side of the moving plate 81 is provided with a push rod, a second cross rod 84 and a clamping frame 85, the clamping frame 85 is a semicircular frame body, an inner side wall of the clamping frame 85 is fixedly connected with an anti-slip pad 86, and the anti-slip pad 86 increases friction between the clamping frame 85 and a workpiece.

Locating component 2 includes barrel 21, the inside of barrel 21 has inserted movable block 22 through the guide rail slip, the top fixedly connected with lifter plate 23 of movable block 22, the inside of barrel 21 is equipped with elasticity canceling release mechanical system, elasticity canceling release mechanical system includes two shell fragments 24, the inboard of shell fragment 24 is equipped with supporting shoe 25, shell fragment 24 has the support reset effect to movable block 22, supporting shoe 25 fixed connection is in the inside diapire of barrel 21, supporting shoe 25 has the supporting role to movable block 22, the internally mounted of barrel 21 has starting switch 26, starting switch 26's automatically controlled output and the automatically controlled input electric connection of electric jar 3, starting switch 26 controls electric jar 3 and starts. The utility model discloses during the use, the arrow moves down in barrel 21 because dead weight promotes movable block 22, extrusion starting switch 26, starting switch 26 control electric cylinder 3 starts, 6 revolving shaft rotations of revolving frame spare through connecting rod 5 drive both sides, along with revolving frame spare 6's rotation, promote inside straight-bar 83 that rotate the connection and remove, straight-bar 83 promotes two movable plates 81 relative movement on workstation 1 through first horizontal pole 82, make the fixture synchronous relative movement of 2 both sides of locating component, carry out the synchronous positioning centre gripping to the work piece, fixture's centre gripping frame 85 is fixed with work piece locking, realize independently fixing a position the clamping action to the work piece, and easy operation is convenient.

When the milling machine is used, a workpiece to be machined by the milling machine is placed on the lifting plate 23 of the positioning assembly 2, the moving block 22 moves downwards in the cylinder 21 under the action of the self weight of the workpiece, the starting switch 26 is squeezed, the starting switch 26 controls the electric cylinder 3 to be started, the rotating frame members 6 on two sides are driven to rotate around the rotating shaft through the connecting rod 5, when one end of each rotating frame member 6 rotates around the rotating shaft, the other end of each rotating frame member 6 rotates along with the rotating frame member, the straight rods 83 in the through grooves 7 of the rotating frame members 6 move along with the rotating frame members, the rotating frame members 6 push the straight rods 83 which are connected in the rotating frame members to move, the straight rods 83 push the two moving plates 81 to move relatively through the first cross rods 82, the two moving plates 81 drive the opposite clamping mechanisms to move relatively on the workbench 1, the clamping mechanisms on two sides of the positioning assembly 2 synchronously move relatively, so as to synchronously position and clamp the workpiece, the workpiece is locked and fixed by the semicircular clamping frames 85 of the clamping mechanisms, and the anti-slip pads 86 on the inner sides of the semicircular clamping frames 85 achieve the anti-slip purpose of preventing the workpiece.

When the swing frame member 6 pushes the straight rod 83 inside the through slot 7 to move, the first cross rod 82 on one side of the straight rod 83 is slidably connected to one side of the moving plate 81 through the second slide rail 88. When the workpiece is separated from the lifting plate 23 of the positioning assembly 2, because one side of the moving block 22 loses thrust, the elastic sheet 24 pushes the moving block 22 to move upwards and reset under the action of the elasticity of the elastic sheet, so that the moving block 22 is separated from the starting switch 26.

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

Claims (6)

1. The utility model provides an automatic tight anchor clamps for numerically controlled fraise machine of location, includes workstation (1), its characterized in that: the top of the workbench (1) is provided with a positioning assembly (2), the bottom of the workbench (1) is provided with a driving assembly, and two sides of the workbench (1) are provided with clamp assemblies (8);

the driving assembly comprises an electric cylinder (3), one end of a piston rod of the electric cylinder (3) is hinged with two connecting rods (5), the bottom of the workbench (1) is fixedly connected with a supporting frame (4), the inside of the supporting frame (4) is rotatably connected with two groups of rotating frame pieces (6) through rotating shafts, the rotating frame pieces (6) are hinged with the piston rod of the electric cylinder (3) through the connecting rods (5), and one side of each rotating frame piece (6) is provided with a through groove (7);

the clamp assembly (8) comprises a straight rod (83), the straight rod (83) is rotatably connected to the inside of the through groove (7), and a clamping mechanism is arranged on one side of the straight rod (83);

the positioning assembly (2) comprises a cylinder body (21), a moving block (22) is inserted into the cylinder body (21) in a sliding mode, a lifting plate (23) is fixedly connected into the moving block (22), and an elastic reset mechanism and a starting switch (26) are arranged in the cylinder body (21).

2. The automatic positioning and clamping clamp for the numerically controlled milling machine according to claim 1, wherein: the elastic reset mechanism comprises two elastic sheets (24), a supporting block (25) is arranged on the inner side of each elastic sheet (24), and the supporting block (25) is fixedly connected to the bottom wall of the cylinder body (21).

3. The automatic positioning and clamping clamp for the numerically controlled milling machine according to claim 1, wherein: the clamping mechanism comprises a moving plate (81), one side of the moving plate (81) is connected with a first cross rod (82) through a second sliding rail (88) in a sliding mode, one end of the first cross rod (82) is fixedly connected to one side of a straight rod (83), and one side of the moving plate (81) is pushed by a second cross rod (84) and is fixedly connected with a clamping frame (85).

4. The clamp for the numerically controlled fraise machine capable of automatically positioning and clamping according to claim 3, wherein: the clamping frame (85) is a semicircular frame body, and an anti-skid pad (86) is fixedly connected to the inner side wall of the clamping frame (85).

5. The automatic positioning and clamping clamp for the numerically controlled milling machine according to claim 3, wherein: the top fixedly connected with two first slide rails (87) of workstation (1), movable plate (81) pass through first slide rail (87) sliding connection in the top of workstation (1), a plurality of supporting seats (9) of bottom fixedly connected with of workstation (1).

6. The clamp for the numerically controlled fraise machine capable of automatically positioning and clamping according to claim 1, wherein: and the electric control output end of the starting switch (26) is electrically connected with the electric control input end of the electric cylinder (3).

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