CN217316976U

CN217316976U - CNC milling machine anchor clamps of quick location clamping work piece

Info

Publication number: CN217316976U
Application number: CN202220099939.8U
Authority: CN
Inventors: 唐静茹
Original assignee: Shanghai Haiyi Machinery Instrument Co ltd
Current assignee: Shanghai Haiyi Machinery Instrument Co ltd
Priority date: 2022-01-15
Filing date: 2022-01-15
Publication date: 2022-08-30
Anticipated expiration: 2032-01-15

Abstract

The utility model discloses a CNC milling machine fixes a position anchor clamps of clamping work piece fast relates to anchor clamps technical field. The clamping device comprises a workbench, fixed mounting has the supporting leg on the diapire of workstation, fixed mounting has fixed frame on the outer wall of workstation, fixed frame's the first threaded rod of inside threaded connection, the top of first threaded rod rotates with the outer wall of lower pinch-off blades to be connected, be provided with arresting gear on the outer wall of lower pinch-off blades. This anchor clamps of CNC milling machine quick positioning clamping work piece have the function of preventing pressing from both sides and hindering, twist and move clamp plate upward movement under the first threaded rod drives, drive the last clamp plate upward movement with stripper bar fixed connection when last clamp plate extrusion work piece, the stripper bar downward movement drive with screw thread section of thick bamboo threaded connection's second threaded rod downward movement, make the down tube on second threaded rod extrusion right side, the down tube drives the piece of stopping and extrudees first threaded rod, make first threaded rod stall, prevent to press from both sides the too big work piece that hinders of pressing from both sides of tight dynamics.

Description

CNC milling machine anchor clamps of quick location clamping work piece

Technical Field

The utility model relates to an anchor clamps technical field specifically is an anchor clamps of CNC milling machine quick positioning clamping work piece.

Background

The milling machine mainly refers to a machine tool for processing various surfaces of a workpiece by using a milling cutter. Typically the milling cutter is moved primarily in a rotary motion and the movement of the workpiece and the milling cutter is a feed motion. It can be used for processing plane, groove, various curved surfaces and gears. A milling machine is a machine tool that mills a workpiece with a milling cutter. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments.

The milling machine needs to clamp the workpiece before processing the workpiece, the traditional clamping tool can only clamp the workpiece but cannot control the clamping force, the workpiece can be possibly deviated when the clamping force is insufficient in the process of processing the workpiece, and the workpiece can be damaged or scratched when the clamping force is too large. In view of this time, we provide a fixture for rapidly positioning and clamping a workpiece by a CNC milling machine.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a CNC milling machine fixes a position anchor clamps of clamping work piece fast has solved the problem that above-mentioned background art mentioned.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a clamp for quickly positioning and clamping a workpiece of a CNC milling machine comprises a workbench, wherein supporting legs are fixedly mounted on the bottom wall of the workbench, a fixed frame is fixedly mounted on the outer wall of the workbench, a first threaded rod is connected with the inner thread of the fixed frame in a threaded manner, the top end of the first threaded rod is rotatably connected with the outer wall of a lower clamping plate, a braking device is arranged on the outer wall of the lower clamping plate, an extrusion rod penetrates through the inner part of the lower clamping plate, a first spring is sleeved on the outer wall of the extrusion rod, the top end of the extrusion rod is fixedly connected with the bottom wall of an upper clamping plate, a fixed plate is fixedly mounted above the workbench, a fixed block is fixedly mounted on the outer wall of the upper clamping plate, the fixed block is hinged with a supporting rod, the supporting rod is hinged with a hinged sliding plate, the top end of the sliding plate is slidably connected with the outer wall of the fixed plate, and the outer wall of the fixed plate is fixedly connected with the top end of the fixed rod, the outer wall of dead lever and the one end fixed connection of second spring, the other end of second spring and the outer wall fixed connection of push pedal, the top of push pedal and the outer wall sliding connection of fixed plate, the work piece has been placed to the top of workstation.

Preferably, the braking device comprises a sleeve, and the outer wall of the sleeve is fixedly connected with the bottom wall of the lower clamping plate.

Preferably, an inclined rod penetrates through the interior of the sleeve, a third spring is sleeved on the outer wall of the inclined rod, and the side wall of the inclined rod is fixedly connected with the outer wall of the brake piece.

Preferably, the bottom wall of the extrusion rod is fixedly connected with the top end of the threaded cylinder, and a second threaded rod is connected with the inner thread of the threaded cylinder in a threaded manner.

Preferably, one end of the third spring is fixedly connected with the outer wall of the inclined rod, and the other end of the third spring is fixedly connected with the inner wall of the sleeve.

Preferably, one end of the first spring is fixedly connected with the outer wall of the extrusion rod, and the other end of the first spring is fixedly connected with the outer wall of the lower clamping plate.

(III) advantageous effects

The utility model provides a CNC milling machine fixes a position anchor clamps of clamping work piece fast. The method has the following beneficial effects:

(1) this anchor clamps of CNC milling machine quick positioning clamping work piece has the function of preventing pressing from both sides and hindering, twist and move clamp plate upward movement under the first threaded rod drives, drive when clamp plate extrusion work piece with the last clamp plate upward movement of stripper bar fixed connection, the stripper bar downstream drives the second threaded rod downstream with screw thread section of thick bamboo threaded connection, make the down tube on second threaded rod extrusion right side, the down tube drives the piece of stopping and extrudees first threaded rod, make threaded rod stop rotation, prevent to press from both sides the too big work piece that hinders of pressing from both sides of tight dynamics.

(2) The fixture for rapidly positioning and clamping the workpiece by the CNC milling machine can adjust different anti-pinch force to adapt to workpieces of different specifications, the second threaded rod is extended or shortened on the threaded cylinder by screwing the second threaded rod, the distance between the threaded rod and the inclined rod is adjusted, and therefore the anti-pinch force is adjusted.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall top view structure of the present invention;

fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.

In the figure: 1. a work table; 2. supporting legs; 3. a fixed frame; 4. a first threaded rod; 5. a lower clamping plate; 6. a braking device; 61. a sleeve; 62. a diagonal bar; 63. a third spring; 64. a brake sheet; 65. a threaded barrel; 66. a second threaded rod; 7. an extrusion stem; 8. a first spring; 9. an upper clamping plate; 10. a fixing plate; 11. a fixed block; 12. a strut; 13. a slide plate; 14. pushing a plate; 15. a second spring; 16. a fixing rod; 17. and (5) a workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an anchor clamps of CNC milling machine quick positioning clamping work piece, comprises a workbench 1, fixed mounting has supporting leg 2 on the diapire of workstation 1, fixed mounting has fixed frame 3 on the outer wall of workstation 1, the first threaded rod 4 of inside threaded connection of fixed frame 3, make first threaded rod 4 upward movement through twisting first threaded rod 4, the top of first threaded rod 4 rotates with the outer wall of lower pinch-off blades 5 to be connected, first threaded rod 4 drives pinch-off blades 5 upward movement promotion work piece 17 down, be provided with arresting gear 6 on the outer wall of lower pinch-off blades 5, stopped first threaded rod 4 through arresting gear 6 and continued upward movement, it is hindered by the clamp to have prevented that work piece 17 from being pressed from both sides.

In this embodiment, arresting gear 6 is including sleeve 61, the diapire fixed connection of sleeve 61's outer wall and lower pinch plate 5, sleeve 61's inside has run through down the down tube 62, the outer wall of down tube 62 has cup jointed third spring 63, the one end of third spring 63 and the outer wall fixed connection of down tube 62, the other end of third spring 63 and sleeve 61's inner wall fixed connection, the lateral wall of down tube 62 and the outer wall fixed connection of piece 64 of stopping, it stops to move right first threaded rod 4 system to stop the piece 64 of stopping through the drive of down tube 62, stop the increase of the tight dynamics of clamp. The diapire of the extrusion pole 7 and the top fixed connection of screw thread cylinder 65, the internal thread of screw thread cylinder 65 is connected with second threaded rod 66, makes second threaded rod 66 extend or shorten on screw thread cylinder 65 through twisting second threaded rod 66 to the different anti-pinch dynamics have been adjusted. The inside of lower clamping plate 5 runs through has the extrusion pole 7, and lower clamping plate 5 drives extrusion pole 7 upward movement. First spring 8 has been cup jointed on the outer wall of stripper bar 7, the one end of first spring 8 and the outer wall fixed connection of stripper bar 7, the other end of first spring 8 and the outer wall fixed connection of lower pinch-off blades 5, the top of stripper bar 7 and the diapire fixed connection of last pinch-off blades 9, stripper bar 7 drives upper pinch-off blades 9 upward movement again, upwards promotes work piece 17.

In this embodiment, a fixing plate 10 is fixedly mounted above the table 1, and the workpiece 17 is clamped by the upper clamping plate 9 and the fixing plate 10. The outer wall of the upper clamping plate 9 is fixedly provided with a fixing block 11, the fixing block 11 is hinged with a supporting rod 12, the supporting rod 12 is hinged with a sliding plate 13, the upper clamping plate 9 moves upwards and drives the supporting rod 12 hinged with the fixing block 11 to extrude the sliding plate 13 on the left side, so that the sliding plate 13 moves rightwards, and finally the sliding plate 13 and a pushing plate 14 clamp and fix the left side and the right side of a workpiece 17. The top of slide 13 and the outer wall sliding connection of fixed plate 10, the outer wall of fixed plate 10 and the top fixed connection of dead lever 16, the outer wall of dead lever 16 and the one end fixed connection of second spring 15, the other end of second spring 15 and the outer wall fixed connection of push pedal 14, the top of push pedal 14 and the outer wall sliding connection of fixed plate 10, work piece 17 has been placed to the top of workstation 1.

When the device works (or is used), the first threaded rod 4 is screwed to drive the lower clamping plate 5 to move upwards, the lower clamping plate 5 further drives the upper clamping plate 9 fixedly connected with the extrusion rod 7 to move upwards, when the upper clamping plate 9 extrudes a workpiece 17, the extrusion rod 7 is extruded by the upper clamping plate 9 to move downwards, the second threaded rod 66 in threaded connection with the threaded cylinder 65 is driven to move downwards, the second threaded rod 66 extrudes the right inclined rod 62, the inclined rod 62 drives the brake piece 64 to extrude the first threaded rod 4, the first threaded rod 4 stops rotating, the workpiece 17 is prevented from being damaged by overlarge clamping force, the upper clamping plate 9 moves upwards to drive the supporting rod 12 hinged with the fixed block 11 to extrude the left sliding plate 13, the sliding plate 13 moves rightwards, the left side and the right side of the workpiece 17 are clamped and fixed together with the push plate 14, the second threaded rod 66 is screwed to extend or shorten on the threaded cylinder 65, the distance of the second threaded rod 66 from the diagonal rod 62 is adjusted so as to adjust the force of preventing the pinching.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a CNC milling machine anchor clamps of quick location clamping work piece, includes workstation (1), fixed mounting has supporting leg (2), its characterized in that on the diapire of workstation (1): the outer wall of the workbench (1) is fixedly provided with a fixed frame (3), the inner thread of the fixed frame (3) is connected with a first threaded rod (4), the top end of the first threaded rod (4) is rotatably connected with the outer wall of a lower clamping plate (5), the outer wall of the lower clamping plate (5) is provided with a braking device (6), an extrusion rod (7) penetrates through the inner part of the lower clamping plate (5), the outer wall of the extrusion rod (7) is sleeved with a first spring (8), the top end of the extrusion rod (7) is fixedly connected with the bottom wall of an upper clamping plate (9), a fixed plate (10) is fixedly arranged above the workbench (1), the outer wall of the upper clamping plate (9) is fixedly provided with a fixed block (11), the fixed block (11) is hinged with a supporting rod (12), the supporting rod (12) is hinged with a sliding plate (13), the top end of the sliding plate (13) is slidably connected with the outer wall of the fixed plate (10), the outer wall of fixed plate (10) and the top fixed connection of dead lever (16), the outer wall of dead lever (16) and the one end fixed connection of second spring (15), the other end of second spring (15) and the outer wall fixed connection of push pedal (14), the top of push pedal (14) and the outer wall sliding connection of fixed plate (10), work piece (17) have been placed to the top of workstation (1).

2. The CNC milling machine fast positioning and clamping fixture for the workpieces as recited in claim 1, wherein: the braking device (6) comprises a sleeve (61), and the outer wall of the sleeve (61) is fixedly connected with the bottom wall of the lower clamping plate (5).

3. The CNC milling machine fast positioning and clamping fixture for the workpieces as recited in claim 2, wherein: the utility model discloses a brake device, including sleeve (61), the inside of sleeve (61) is run through and is had down tube (62), the outer wall of down tube (62) has cup jointed third spring (63), the lateral wall of down tube (62) and the outer wall fixed connection of piece (64) of stopping.

4. The CNC milling machine tool for fast positioning and clamping the workpiece as recited in claim 3, wherein: the bottom wall of the extrusion rod (7) is fixedly connected with the top end of the threaded cylinder (65), and the inner thread of the threaded cylinder (65) is connected with a second threaded rod (66).

5. The CNC milling machine tool for fast positioning and clamping the workpiece as recited in claim 4, wherein: one end of the third spring (63) is fixedly connected with the outer wall of the inclined rod (62), and the other end of the third spring (63) is fixedly connected with the inner wall of the sleeve (61).

6. The CNC milling machine fast positioning and clamping fixture for the workpieces as recited in claim 5, wherein: one end of the first spring (8) is fixedly connected with the outer wall of the extrusion rod (7), and the other end of the first spring (8) is fixedly connected with the outer wall of the lower clamping plate (5).