CN213764181U

CN213764181U - Clamping device for milling machine

Info

Publication number: CN213764181U
Application number: CN202022894216.0U
Authority: CN
Inventors: 戴中金
Original assignee: Hangzhou Xiaoshan Linglong Machinery Co ltd
Current assignee: Hangzhou Xiaoshan Linglong Machinery Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-07-23
Anticipated expiration: 2030-12-04

Abstract

The application relates to the field of machining, in particular to a clamping device for a milling machine, which comprises a bottom plate and two clamping plates, wherein the two clamping plates are erected on the bottom plate, a sliding groove in the same length direction as the bottom plate is formed in the bottom plate, two sliding blocks are embedded in the sliding groove in a sliding manner, the positions of the sliding blocks correspond to the positions of the clamping plates one by one, and the upper surfaces of the sliding blocks are fixedly connected with the lower surfaces of the corresponding clamping plates; the bottom plate is also provided with a driving mechanism for driving the two sliding blocks to synchronously and reversely move. This scheme draws in or opens the dismouting that realizes the work piece simultaneously through two splint when, has not only effectively provided the dismouting efficiency of work piece, has still made things convenient for workman dismouting work piece simultaneously.

Description

Clamping device for milling machine

Technical Field

The application relates to the field of machining, in particular to a clamping device for a milling machine.

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.

The common bench vice is used for clamping workpieces on the milling machine, although the structural principle of the bench vice is simple, workers need to frequently rotate the lead screw on the bench vice every time when clamping or disassembling the workpieces, the mode of disassembling and assembling the workpieces is time-consuming and labor-consuming, and the disassembling and assembling efficiency of the workpieces is seriously reduced.

SUMMERY OF THE UTILITY MODEL

For the convenience of worker's dismouting work piece, improve the dismouting efficiency of work piece, this application provides a clamping device for milling machine.

The application provides a clamping device for milling machine adopts following technical scheme:

a clamping device for a milling machine comprises a bottom plate and two clamping plates erected on the bottom plate, wherein a sliding groove in the same length direction as the bottom plate is formed in the bottom plate, two sliding blocks are embedded in the sliding groove in a sliding mode, the positions of the sliding blocks correspond to the positions of the clamping plates one by one, and the upper surfaces of the sliding blocks are fixedly connected with the lower surfaces of the corresponding clamping plates; the bottom plate is also provided with a driving mechanism for driving the two sliding blocks to synchronously and reversely move.

Through adopting above-mentioned technical scheme, the workman makes two sliders be synchronous reverse movement through actuating mechanism, and two splint will move along with the slider synchronization emergence that corresponds, and two splint alright draw in each other and press from both sides tight work piece, perhaps open each other and loosen the work piece. Compare in the bench vice, this scheme draws in or opens the dismouting that realizes the work piece simultaneously through drawing in two splint when, not only effectively provides the dismouting efficiency of work piece, has still made things convenient for workman dismouting work piece simultaneously.

Preferably, the driving mechanism comprises a rotating rod which is rotatably connected in the sliding groove and has the same length direction with the sliding groove, and two guide ring grooves which are arranged on the side wall of the rotating rod and are arranged in a bending manner along the axial direction of the rotating rod, the two guide ring grooves are mutually symmetrical, and the positions of the two guide ring grooves correspond to the positions of the two sliding blocks one by one; the driving mechanism also comprises a guide post which is fixedly connected on the sliding block and one end of which is embedded in the corresponding guide ring groove in a sliding way, and a driving part which is arranged on the bottom plate and used for rotating the rotating rod.

Through adopting above-mentioned technical scheme, the staff rotates the dwang through the initiative piece, and two guide ring grooves will be along with the dwang takes place the rotation in step, and under the traction of guide ring groove, two guide posts will order about corresponding slider respectively and take place to slide along the length direction of spout, and two sliders will be in step reverse removal in the spout, and two splint will press from both sides tightly or loosen the work piece finally. The driving mechanism is ingenious in structural design, very convenient to operate, and greatly facilitates the disassembly and assembly of workpieces by workers.

Preferably, the driving part comprises a worm wheel fixedly sleeved on the side wall of the rotating rod, a worm rotatably connected to the bottom plate and meshed with the worm wheel, and a motor arranged on the bottom plate and used for rotating the worm.

Through adopting above-mentioned technical scheme, workman's starter motor comes the rotatory worm, and under the meshing effect of worm and worm wheel, the dwang alright take place rotatoryly around self axis, and the theory of structure of driving part is simple, and maneuverability is strong. In addition, because the linkage structure of the worm gear and the worm has the functions of amplifying torque and self-locking, the load of the motor is reduced, the rotation of the rotating rod is smoother, the probability of shaking of the two clamping plates in the milling process is reduced, and the stability of the workpiece after being clamped is ensured.

Preferably, the two opposite side walls of the sliding block are provided with circular rings which are coaxial with the rotating rod, and the inner side walls of the circular rings are provided with bristles for cleaning the guide ring grooves.

Through adopting above-mentioned technical scheme, when the slider drove splint to slide, the brush hair on the ring will clear up the metallic debris in the guide ring inslot simultaneously, and this greatly reduced guide post card probability in the guide ring inslot, guaranteed the normal operating of device.

Preferably, the guide post is provided with a rotating drum which is abutted against the inner side wall of the guide ring groove in a rotating manner.

Through adopting above-mentioned technical scheme, the rotary drum can change the sliding friction between guide post and the direction annular lateral wall into the rotational friction of rotary drum, has reduced the resistance that the guide post received when sliding to a certain extent, makes the guide post more smooth and easy in sliding of direction annular, and then lets sliding of slider and splint more smooth.

Preferably, the end part of the guide column is embedded with a ball which is abutted against the bottom of the guide ring groove in a rolling manner.

Through adopting above-mentioned technical scheme, the ball can change the sliding friction between guide post and the guide ring groove bottom into the ball friction of ball, has reduced the resistance that the guide post received when sliding to a certain extent, makes the guide post more smooth and easy in sliding of guide ring inslot, and then lets sliding of slider and splint more smooth.

Preferably, the opposite surfaces of the two clamping plates are provided with limiting grooves for embedding the workpiece.

By adopting the technical scheme, the limiting groove can limit the workpiece in the vertical direction, so that the stability of the clamped workpiece is improved, and the milling precision and the milling quality of the workpiece are ensured.

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

1. the arrangement of the bottom plate, the clamping plate, the sliding groove, the sliding block and the driving mechanism facilitates the disassembly and assembly of the workpiece by workers, and improves the disassembly and assembly efficiency of the workpiece;

2. the arrangement of the rotary drum and the balls can ensure that the sliding of the sliding block and the clamping plate is smoother;

3. the arrangement of the limiting groove improves the stability of the clamped workpiece;

4. the arrangement of the circular rings and the bristles reduces the probability that the guide columns are clamped in the guide ring grooves, and the normal operation of the device is guaranteed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional structural view of an embodiment of the present application;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a base plate; 2. a splint; 3. a limiting groove; 4. a chute; 5. a slider; 6. rotating the rod; 7. a guide ring groove; 8. a guide post; 9. a rotating drum; 10. a ball bearing; 11. a worm gear; 12. a worm; 13. a motor; 14. a circular ring; 15. and (3) brush hairs.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, a clamping device for a milling machine includes a rectangular bottom plate 1, and two clamping plates 2 erected on the upper surface of the bottom plate 1 and respectively located on two sides of a workpiece, wherein the two clamping plates 2 are used for clamping the side wall of the workpiece, and the length direction of the two clamping plates 2 is the same as the width direction of the bottom plate 1. The opposite surfaces of the two clamping plates 2 are provided with V-shaped limiting grooves 3 for embedding the side walls of the workpieces, the limiting grooves 3 can restrain the positions of the workpieces in the vertical direction, and the stability of the workpieces after being clamped is greatly improved.

Referring to fig. 2 and 3, the upper surface of the bottom plate 1 is provided with a sliding groove 4 which is the same as the bottom plate 1 in the length direction, two sliding blocks 5 are embedded in the sliding groove 4 in a sliding manner, the distance from the two sliding blocks 5 to the middle point of the sliding groove 4 is kept the same, the positions of the two sliding blocks 5 correspond to the positions of the two clamping plates 2 one by one, and the upper surface of each sliding block 5 is fixedly connected with the lower surface of the corresponding clamping plate 2. The rotating rod 6 which is the same as the sliding groove 4 in length direction is connected to the sliding groove 4 in a rotating mode, the height of the rotating rod 6 is lower than the height of the two sliding blocks 5, two guide ring grooves 7 are formed in the side wall of the rotating rod 6, the two guide ring grooves 7 are all arranged in a bending mode along the axial direction of the rotating rod 6, the two guide ring grooves 7 are symmetrical to each other, and the positions of the two guide ring grooves 7 correspond to the positions of the two sliding blocks 5 one to one. The lower fixed surface of slider 5 is connected with vertical guide post 8, and the lower extreme of guide post 8 slides and inlays to be established in the guide ring groove 7 that corresponds, rotates on the lateral wall of guide post 8 to overlap and is equipped with the rotary drum 9 with the 7 inside wall butts of guide ring groove, and guide post 8 is close to one of guide ring groove 7 tank bottom and serves still to roll to inlay and be equipped with ball 10, the tank bottom butt of ball 10 and guide ring groove 7. One end of the rotating rod 6 extends out of the side wall of the bottom plate 1 and is fixedly sleeved with a worm wheel 11, a worm 12 meshed with the worm wheel 11 is rotatably connected to the bottom plate 1, a motor 13 used for rotating the worm 12 is further installed on the bottom plate 1, and the motor 13 is connected with a power supply through an electric wire. Wherein the worm wheel 11, the worm 12 and the motor 13 form a driving part for rotating the rotating rod 6; the rotating rod 6, the guide ring groove 7, the guide column 8 and the driving part form a driving mechanism for driving the two sliding blocks 5 to synchronously and reversely move. After a workpiece is horizontally placed between the two clamping plates 2, a worker adjusts the workpiece to enable the length direction of the workpiece to be approximately the same as that of the clamping plates 2, then the motor 13 is started to rotate the worm 12, the rotating rod 6 can rotate around the axis of the rotating rod under the linkage action of the worm 12 and the worm wheel 11, the two sliding blocks 5 are close to the middle point of the sliding groove 4 under the linkage action of the two groups of guide ring grooves 7 and the guide columns 8, the workpiece is clamped and positioned at the middle point of the sliding groove 4 by the two clamping plates 2, the workpiece is successfully clamped, and the subsequent milling operation can be continuously carried out on the workpiece. After the workpiece is machined, the worker controls the motor 13 to reversely rotate the rotating rod 6, and under the linkage action of the two groups of guide ring grooves 7 and the guide columns 8, the two clamping plates 2 are mutually far away from each other and loosen the workpiece.

Referring to fig. 3, two opposite side walls of the sliding block 5 are fixedly connected with a ring 14, a central axis of the ring 14 coincides with a central axis of the rotating rod 6, a plurality of bristles 15 are circumferentially distributed on an inner side wall of each ring 14, and the bristles 15 are used for cleaning metal debris in the guide ring groove 7. When the sliding block 5 slides with the corresponding clamping plate 2, the circular ring 14 slides along with the sliding block 5 synchronously, the brush bristles 15 on the circular ring 14 clean metal debris in the guide ring groove 7, the probability that the guide column 8 is clamped in the guide ring groove 7 is effectively reduced, and smooth sliding of the two clamping plates 2 is ensured.

The implementation principle of the embodiment is as follows: after a workpiece is horizontally placed between the two clamping plates 2, a worker adjusts the workpiece to enable the length direction of the workpiece to be approximately the same as that of the clamping plates 2, then the motor 13 is started to rotate the worm 12, the rotating rod 6 can rotate around the axis of the rotating rod under the linkage action of the worm 12 and the worm wheel 11, the two sliding blocks 5 are close to the middle point of the sliding groove 4 under the linkage action of the two groups of guide ring grooves 7 and the guide columns 8, the workpiece is clamped and positioned at the middle point of the sliding groove 4 by the two clamping plates 2, the workpiece is successfully clamped, and the subsequent milling operation can be continuously carried out on the workpiece. After the workpiece is machined, the worker controls the motor 13 to reversely rotate the rotating rod 6, and under the linkage action of the two groups of guide ring grooves 7 and the guide columns 8, the two clamping plates 2 are mutually far away from each other and loosen the workpiece.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A clamping device for a milling machine, comprising a base plate (1), and two clamping plates (2) erected on the base plate (1), characterized in that: the bottom plate (1) is provided with a sliding chute (4) which is the same as the bottom plate (1) in the length direction, two sliding blocks (5) are embedded in the sliding chute (4) in a sliding manner, the positions of the sliding blocks (5) correspond to the positions of the clamping plates (2) one by one, and the upper surfaces of the sliding blocks (5) are fixedly connected with the lower surfaces of the corresponding clamping plates (2); the bottom plate (1) is also provided with a driving mechanism for driving the two sliding blocks (5) to synchronously and reversely move.

2. A clamping device for a milling machine according to claim 1, characterized in that: the driving mechanism comprises a rotating rod (6) which is rotatably connected in the sliding groove (4) and has the same length direction with the sliding groove (4), and two guide ring grooves (7) which are arranged on the side wall of the rotating rod (6) and are arranged in a bending manner along the axial direction of the rotating rod (6), the two guide ring grooves (7) are mutually symmetrical, and the positions of the two guide ring grooves (7) correspond to the positions of the two sliding blocks (5) one by one; the driving mechanism also comprises a guide column (8) which is fixedly connected on the sliding block (5) and one end of which is embedded in the corresponding guide ring groove (7) in a sliding way, and a driving part which is arranged on the bottom plate (1) and used for rotating the rotating rod (6).

3. A clamping device for a milling machine according to claim 2, characterized in that: the driving part comprises a worm wheel (11) fixedly sleeved on the side wall of the rotating rod (6), a worm (12) rotatably connected to the bottom plate (1) and meshed with the worm wheel (11), and a motor (13) arranged on the bottom plate (1) and used for rotating the worm (12).

4. A clamping device for a milling machine according to claim 2, characterized in that: the two opposite side walls of the sliding block (5) are provided with circular rings (14) which are coaxial with the rotating rod (6), and the inner side walls of the circular rings (14) are provided with bristles (15) used for cleaning the guide ring grooves (7).

5. A clamping device for a milling machine according to claim 2, characterized in that: the guide post (8) is provided with a rotary drum (9) which is connected with the inner side wall of the guide ring groove (7) in an abutting mode in a rotating mode.

6. A clamping device for a milling machine according to claim 2, characterized in that: and a ball (10) which is abutted against the bottom of the guide ring groove (7) is embedded in the end part of the guide column (8) in a rolling manner.

7. A clamping device for a milling machine according to claim 1, characterized in that: the opposite surfaces of the two clamping plates (2) are provided with limiting grooves (3) for embedding workpieces.