CN212043645U

CN212043645U - Milling machine fast loading and unloading anchor clamps

Info

Publication number: CN212043645U
Application number: CN202020603646.XU
Authority: CN
Inventors: 邓勇; 余国权
Original assignee: Shenzhen Yong Control Technology Co ltd
Current assignee: Shenzhen Yong Control Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-01
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to the technical field of clamps, in particular to a quick loading and unloading clamp for a milling machine, which comprises a base, wherein a fixed clamping block and a movable clamping block are arranged on the upper side of the base, a T-shaped chute is arranged on the base, and a reset spring is arranged in the T-shaped chute; the base is also provided with a cam mechanism for driving the movable clamping block to move, the cam mechanism comprises a rotating shaft and a cam fixedly arranged on the rotating shaft, one end of the rotating shaft is provided with a driving device, and the other end of the rotating shaft is provided with a non-return mechanism for preventing the rotating shaft from reversing; when a workpiece is arranged between the fixed clamping block and the movable clamping block, the cam is driven by the driving device to rotate, so that the movable clamping block is driven to move to clamp the workpiece, the return spring is compressed to store energy, the non-return mechanism prevents the cam from rotating, the movable clamping block is reset under the action of the return spring after the non-return mechanism is loosened, and the workpiece is automatically loosened, so that the workpiece is very convenient to clamp and take down.

Description

Milling machine fast loading and unloading anchor clamps

Technical Field

The utility model relates to an anchor clamps technical field, concretely relates to milling machine fast loading and unloading anchor clamps.

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. 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 is a machine tool with wide application, and can process planes (horizontal planes and vertical planes), grooves (key grooves, T-shaped grooves, dovetail grooves and the like), tooth dividing parts (gears, spline shafts and chain wheels), spiral surfaces (threads and spiral grooves) and various curved surfaces on the milling machine. In addition, the method can be used for machining the surface and inner hole of the revolving body, cutting off the revolving body, and the like. When the milling machine works, a workpiece is arranged on a workbench or accessories such as an indexing head, the milling cutter rotates to move mainly, and the workpiece can obtain a required processing surface by the aid of the feeding motion of the workbench or the milling head. Since the multi-edge intermittent cutting is performed, the productivity of the milling machine is high. In short, a milling machine is a machine tool that can mill, drill, and bore a workpiece.

The turning and milling machine fixture has a very important position in a machine tool fixture, the milling machine fixture is mainly used for milling and processing planes, grooves, notches, splines, gears, forming surfaces and the like, cutting force is large, intermittent cutting is performed, vibration is large, therefore, the clamping force requirement of the milling machine fixture is large, the requirements on the rigidity and the strength of the fixture are high, the traditional milling machine fixture is usually screwed and positioned by adopting a screw rod, the clamping force is deficient to some extent, the structure is complex, the fixture needs to be screwed and unscrewed manually and continuously, and operation is complex.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide a milling machine fast loading and unloading anchor clamps, press from both sides the dress convenient, can dismantle fast.

The utility model discloses a milling machine fast loading and unloading clamp, which comprises a base, wherein the upper side of the base is provided with a fixed clamping block and a movable clamping block, the fixed clamping block is fixedly connected with the base, a T-shaped chute is arranged on the base, the bottom of the movable clamping block is provided with a slide block matched with the T-shaped chute, a reset spring is arranged in the T-shaped chute, and the slide block is abutted to the reset spring; still be equipped with on the base and be used for the drive remove the cam mechanism that the clamp splice removed, cam mechanism is including being fixed in mount pad on the base, with the pivot that the mount pad rotated the setting and fixed locating epaxial cam rotates, the cam with the lateral surface sliding contact who removes the clamp splice, the one end of pivot is equipped with drive arrangement, drive arrangement is used for the drive the pivot is rotated, the other end of pivot is equipped with the non return mechanism who is used for preventing the pivot reversal.

Further, the fixed second drive gear that is equipped with of one end of pivot, drive arrangement locates including fixed the installing support of base, be equipped with the detachable fixed axle on the installing support, the cover is equipped with driving fluted disc and driven fluted disc on the fixed axle, driving fluted disc with the relative one side of driven fluted disc is equipped with intermeshing's ratchet, the fixed first drive gear that is equipped with in driven fluted disc outside, first drive gear with second drive gear intermeshing, be equipped with on the driving fluted disc and be used for rotating the turning handle of driving fluted disc, the outside of driving fluted disc is equipped with separation disc and fixed disk, be equipped with between separation disc and the fixed disk and press the spring, the separation disc is in press under the spring action butt driving fluted disc.

Furthermore, a rotary spring is arranged on the outer side of the second transmission gear, the rotary spring is sleeved on the rotating shaft, and two ends of the rotary spring are fixedly connected with the mounting seat and the second transmission gear respectively.

Further, the non-return mechanism is including fixed locating the ratchet of pivot tip with articulate in the stand of base, the stand side be equipped with ratchet matched with pawl, still be equipped with on the base and be used for fixing the setting element of stand, be equipped with on the setting element and be used for locking the locking piece of stand.

Furthermore, two opposite side surfaces of the fixed clamping block and the movable clamping block are provided with V-shaped grooves.

The utility model has the advantages that: the utility model discloses a milling machine fast loading and unloading anchor clamps when arranging the work piece in between fixed clamp splice and the removal clamp splice, the cam rotates under drive arrangement's drive to drive and remove the clamp splice and remove the tight work piece of clamp, make reset spring compressed energy storage simultaneously, non return mechanism prevents that the cam from revolving, moves the clamp splice after loosening non return mechanism and resets under reset spring's effect and loosen the work piece automatically, make the clamp of work piece adorn and take off all very convenient.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic structural diagram of the driving device of the present invention;

fig. 4 is a schematic structural view of the non-return mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but 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.

As shown in fig. 1 to 4, the rapid loading and unloading clamp for a milling machine in this embodiment includes a base 100, a fixed clamping block 101 and a movable clamping block 102 are disposed on an upper side of the base 100, the fixed clamping block 101 is fixedly connected to the base 100, a T-shaped sliding slot 103 is disposed on the base 100, a sliding block 104 matched with the T-shaped sliding slot 103 is disposed at a bottom of the movable clamping block 102, a return spring 105 is disposed in the T-shaped sliding slot 103, and the sliding block 104 abuts against the return spring 105; still be equipped with on the base 100 and be used for the drive remove the cam mechanism that clamp splice 102 removed, cam mechanism is including being fixed in mount pad 201 on the base 100, with the pivot 202 that mount pad 201 rotated the setting and fixed locate the epaxial cam 203 of pivot 202, cam 203 with the lateral surface sliding contact of removing clamp splice 102, the one end of pivot 202 is equipped with drive arrangement 300, drive arrangement 300 is used for the drive the pivot 202 rotates, the other end of pivot 202 is equipped with the non return mechanism 400 that is used for preventing the pivot 202 reversal.

In practical use, a workpiece is placed between the fixed clamping block 101 and the movable clamping block 102, the cam 203 is driven by the driving device 300 to rotate, the cam 203 is in sliding contact with the movable clamping block 102, so that the movable clamping block 102 is driven to move to clamp the workpiece, the return spring 105 is compressed to store energy, and the check mechanism 400 can prevent the cam 203 from rotating to cause the workpiece to be loosened; after the workpiece is machined, the check mechanism 400 is loosened, the movable clamping block 102 loosens the workpiece under the action of the return spring 105, manual loosening is not needed, and the working efficiency is improved.

In this embodiment, a second transmission gear 204 is fixedly disposed at one end of the rotating shaft 202, the driving device 300 includes a mounting bracket 301 fixedly disposed on the base 100, a detachable fixed shaft 302 is arranged on the mounting bracket 301, a driving fluted disc 303 and a driven fluted disc 304 are sleeved on the fixed shaft 302, the opposite sides of the driving fluted disc 303 and the driven fluted disc 304 are provided with mutually meshed ratchets, a first transmission gear 305 is fixedly arranged on the outer side of the driven fluted disc 304, the first transmission gear 305 is meshed with the second transmission gear 204, a rotating handle 306 for rotating the driving fluted disc 303 is arranged on the driving fluted disc 303, a separation disc 307 and a fixed disc 308 are arranged on the outer side of the driving fluted disc 303, a pressing and resisting spring 309 is arranged between the separation disc 307 and the fixed disc 308, the isolation plate 307 abuts against the driving toothed plate 303 under the action of the pressing spring 309.

In this embodiment, the rotating handle 306 can drive the driving fluted disc 303 to rotate during the downward pressing process, and the stress surfaces of the ratchet teeth of the driving fluted disc 303 and the driven fluted disc 304 are planes, so that the driving fluted disc 303 can drive the driven fluted disc 304 to rotate, and during the upward lifting process of the rotating handle 306, the stress surfaces of the ratchet teeth of the driving fluted disc 303 and the driven fluted disc 304 are inclined planes, so that the driving fluted disc 303 can transversely move under the action of the inclined planes and compress and press the spring 309, and the driven fluted disc 304 cannot rotate; carry out the pushing down of twist grip 306 repeatedly and lift on, can make driven fluted disc 304 continuously carry out one-way rotation, drive the rotation of the first drive gear 305 in driven fluted disc 304 outside, finally realize cam mechanism's one-way rotation for cam mechanism drives and removes clamp splice 102 and presss from both sides tight work piece, reaches behind the tight purpose of clamp, and drive arrangement 300 is dismantled in the detachable, avoids fixing device to influence work piece processing.

In this embodiment, a rotary spring 205 is disposed outside the second transmission gear 204, the rotary spring 205 is sleeved on the rotating shaft 202, and two ends of the rotary spring 205 are respectively and fixedly connected to the mounting base 201 and the second transmission gear 204, in the process of unidirectional rotation of the rotating shaft 202, the rotary spring 205 is constantly stored energy, and after the check mechanism 400 is loosened after the workpiece is machined, the rotary spring 205 can drive the rotating shaft 202 to rotate in the reverse direction, so as to achieve the reset function.

In this embodiment, the non-return mechanism 400 includes a ratchet 401 fixedly disposed at an end of the rotating shaft 202 and a column 402 hinged to the base 100, a pawl matched with the ratchet 401 is disposed at a side of the column 402, a positioning member 403 for fixing the column 402 is further disposed on the base 100, and a locking member 404 for locking the column 402 is disposed on the positioning member 403.

In this embodiment, two opposite side surfaces of the fixed clamping block 101 and the movable clamping block 102 are respectively provided with a V-shaped groove 106, so that the fixed clamping block 101 and the movable clamping block 102 can clamp a workpiece conveniently.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a milling machine fast loading and unloading anchor clamps, includes the base, its characterized in that: a fixed clamping block and a movable clamping block are arranged on the upper side of the base, the fixed clamping block is fixedly connected with the base, a T-shaped chute is formed in the base, a sliding block matched with the T-shaped chute is arranged at the bottom of the movable clamping block, a return spring is arranged in the T-shaped chute, and the sliding block is abutted to the return spring; still be equipped with on the base and be used for the drive remove the cam mechanism that the clamp splice removed, cam mechanism is including being fixed in mount pad on the base, with the pivot that the mount pad rotated the setting and fixed locating epaxial cam rotates, the cam with the lateral surface sliding contact who removes the clamp splice, the one end of pivot is equipped with drive arrangement, drive arrangement is used for the drive the pivot is rotated, the other end of pivot is equipped with the non return mechanism who is used for preventing the pivot reversal.

2. A milling machine tool quick-attach/detach jig according to claim 1, characterized in that: the fixed second drive gear that is equipped with of one end of pivot, drive arrangement locates including fixed the installing support of base, be equipped with the detachable fixed axle on the installing support, the cover is equipped with driving fluted disc and driven fluted disc on the fixed axle, driving fluted disc with the relative one side of driven fluted disc is equipped with intermeshing's ratchet, the fixed first drive gear that is equipped with in driven fluted disc outside, first drive gear with second drive gear intermeshing, be equipped with on the driving fluted disc and be used for rotating the turning handle of driving fluted disc, the outside of driving fluted disc is equipped with separation disc and fixed disk, be equipped with between separation disc and the fixed disk and press the spring, the separation disc is in press under the spring action butt driving fluted disc.

3. A milling machine tool quick-attach/detach jig according to claim 2, characterized in that: and a rotary spring is arranged on the outer side of the second transmission gear, the rotary spring is sleeved on the rotating shaft, and two ends of the rotary spring are respectively fixedly connected with the mounting seat and the second transmission gear.

4. A milling machine tool quick-attach/detach jig according to claim 1, characterized in that: the non-return mechanism comprises a ratchet wheel fixedly arranged at the end part of the rotating shaft and an upright post hinged on the base, a pawl matched with the ratchet wheel is arranged on the side edge of the upright post, a positioning piece used for fixing the upright post is further arranged on the base, and a locking piece used for locking the upright post is arranged on the positioning piece.

5. A milling machine tool quick-attach/detach jig according to claim 1, characterized in that: and V-shaped grooves are formed in two opposite side surfaces of the fixed clamping block and the movable clamping block.