CN213591850U

CN213591850U - Milling machine

Info

Publication number: CN213591850U
Application number: CN202022549799.3U
Authority: CN
Inventors: 林日建; 梁飞鹏
Original assignee: Suzhou Ruide Die Casting Mould Co ltd
Current assignee: Suzhou Ruide Die Casting Mould Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-02
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a milling machine aims at solving the problem that supporting component has fixed a position and has inconveniently processed the work piece upper surface to the both ends of work piece to can influence the problem of the precision of work piece processing. The key points of the technical scheme are as follows: the utility model provides a milling machine, includes the milling machine main part and sets up the workstation in the milling machine main part, and the symmetry is provided with two clamping device on the workstation, and clamping device sliding connection is on the workstation, clamping device including the cylinder, with cylinder fixed connection's fixed block and with the fixed block rotate two tight pieces of clamp of being connected, two tight piece symmetries of clamp set up the both ends at the fixed block, fixedly connected with spring between two tight pieces of clamp. The utility model discloses a milling machine can guarantee that the surface of work piece does not have the barrier for the work piece can not have the barrier and influence the normal processing of work piece when adding man-hour because of the work piece upper surface.

Description

Milling machine

Technical Field

The utility model relates to a work piece processing equipment, more specifically say, it relates to a milling machine.

Background

The milling machine is mainly a machine tool for processing various surfaces on a workpiece by using a milling cutter, can process planes, grooves, tooth dividing parts, spiral surfaces and various curved surfaces, and can also be used for processing surfaces of revolution bodies, inner holes and the like. When the milling machine works, a workpiece is arranged on the workbench, 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. When the milling cutter is used for processing the surface of a workpiece, friction force can be generated between the rotating milling cutter and the surface of the workpiece, and the workpiece is difficult to effectively fix by hands, so that the workpiece is easy to swing, and the processing precision of the workpiece is influenced.

To the above-mentioned problem, chinese patent publication No. CN208584230U discloses a vertical milling machine convenient for clamping a workpiece, which comprises a fixed seat, install in the milling machine main part of fixing base top and slide and install in the fixing base top and lie in the workstation of milling machine main part below, be provided with the milling cutter that sets up with the workstation relatively in the milling machine main part and be used for driving the rotatory driving motor of milling cutter, be provided with a plurality of supporting components on the workstation, supporting component is including installing the positioning seat on the workstation, articulate on the positioning seat and be used for compressing tightly in the support arm of workpiece, vertical reference column that is fixed in the positioning seat and install on the positioning column and be used for compressing tightly.

The milling machine of the scheme can stably clamp the workpiece on the workbench, reduces the possibility of swinging of the workpiece in the machining process, improves the machining precision of the workpiece, and has the characteristics of simple structure and convenience in operation.

The milling machine of the scheme compresses tightly the two sides of the upper surface of the workpiece through the supporting arms of the two supporting components to position the workpiece, but if the whole upper surface of the workpiece needs to be processed, the supporting components position the two ends of the workpiece and the supporting components are positioned at the two ends of the workpiece, so that the problem of inconvenience in processing the upper surface of the workpiece is caused, and the processing precision of the workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a milling machine makes two tight piece of clamp rotate on the fixed block through the drive of cylinder, makes two tight piece of clamp press from both sides tightly the both ends of work piece at the pivoted in-process simultaneously under the pulling force effect of spring, prevents to press from both sides tight piece and compress tightly the upper end of work piece and influence the machining precision of work piece.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a milling machine, includes the milling machine main part and sets up the workstation in the milling machine main part, the symmetry is provided with two clamping device on the workstation, clamping device sliding connection is on the workstation, clamping device including the cylinder, with cylinder fixed connection's fixed block and with the fixed block rotate two tight pieces of clamp of being connected, two the both ends at the fixed block of tight piece symmetry setting are two fixedly connected with spring between the tight piece of clamp.

By adopting the technical scheme, when a workpiece is placed on a workbench to be processed, the workpiece can be processed only after being clamped, and at the moment, a worker can drive the air cylinder to extend, the fixed block can be pushed to enable the fixed block to slide towards one end close to the workpiece in the process of extending the air cylinder, the clamping blocks rotatably connected to the fixed block are attached to the workpiece, so that the clamping blocks are attached to the outer wall of the workpiece together to clamp two ends of the workpiece, the spring connected between the two clamping blocks enables the clamping device to clamp workpieces with different sizes, the clamping device cannot be clamped on the upper surface of the workpiece, the upper surface of the workpiece is ensured not to have any obstacle, the whole upper surface of the workpiece can be processed, and the clamping blocks are tightly attached to the workpiece under the action of the tensile force of the spring, the stability of the workpiece when being clamped is improved, so that the machining efficiency of the milling machine and the accuracy of workpiece output can be ensured.

The utility model discloses further set up to: the clamping blocks are connected with rollers in a rotating mode, one ends of the clamping blocks, close to the fixed blocks, are connected with the rollers in a rotating mode, and inclined planes for the rollers to roll are arranged on two sides of the fixed blocks.

Through adopting above-mentioned technical scheme, when two one ends that press from both sides tight piece and be close to the fixed block slide on the fixed block, the gyro wheel that presss from both sides on the tight piece of clamp can roll along the inclined plane of fixed block, and two press from both sides tight piece and can gradually separate under the roll of gyro wheel, make the fixed block to the one end removal of keeping away from tight piece when two both ends that press from both sides tight piece and work piece contact, thereby make two press from both sides tight piece and can compress tightly the work piece under the pulling force effect of spring, it is comparatively nimble to realize pressing from both sides the activity of tight piece, moreover.

The utility model discloses further set up to: the bottom fixedly connected with supporting shoe of fixed block, the length of supporting shoe is greater than the length of fixed block, two press from both sides tight piece and rotate with the supporting shoe through the pivot and be connected.

Through adopting above-mentioned technical scheme, when two press from both sides tight piece and rotate on the fixed block, and two press from both sides tight piece and can rotate on the supporting shoe through the pivot separately, just can drive when the fixed block slides on the workstation along with the cylinder and press from both sides tight piece and rotate on the supporting shoe, and can guarantee to press from both sides the stability when tight piece rotates.

The utility model discloses further set up to: the supporting shoe is kept away from the one end fixedly connected with slider of fixed block, set up on the workstation and supply the gliding spout of slider.

Through adopting above-mentioned technical scheme, when the cylinder drives the fixed block flexible, the slider of supporting shoe bottom can slide in the spout that sets up on the workstation to can guarantee the stability of fixed block when the drive presss from both sides tight piece and rotates.

The utility model discloses further set up to: be provided with first magnet on the inner wall of spout, the slider is close to the one end of spout inner wall and is provided with the second magnet that adsorbs each other with first magnet.

Through adopting above-mentioned technical scheme, when the slider stopped to slide in the spout, second magnet on the slider can be in the same place with the first magnet absorption on the spout inner wall for the slider can be fixed in the spout, prevents that the slider from sliding in the spout by oneself, increases the stability when pressing from both sides tight piece and pressing from both sides tight work piece.

The utility model discloses further set up to: and two ends of the fixed block are fixedly connected with limit blocks for limiting the rolling-out of the rollers.

Through adopting above-mentioned technical scheme, roll on the inclined plane of fixed block as the gyro wheel, and the gyro wheel rolls to when the position department inconsistent with the stopper, and the stopper can restrict the gyro wheel and continue to roll to can restrict the displacement volume of fixed block, can control the biggest opening degree of two clamp blocks simultaneously.

The utility model discloses further set up to: the outside cover of spring is equipped with the stop collar, the stop collar include first stop collar and with first stop collar sliding connection's second stop collar, the one end that first stop collar and second stop collar deviate from mutually is fixed connection respectively on two tight blocks of clamp.

Through adopting above-mentioned technical scheme, when two clamp tight piece separation, two spring that press from both sides between the tight piece can be stretched, and the cover is established first stop collar and the second stop collar in the spring outside and can prevent that the spring from breaking when stretched and contract, plays certain guard action to the spring to can increase the life of spring.

The utility model discloses further set up to: the inner wall of the second limiting sleeve is connected with a plurality of balls in a rotating mode, and the outer wall of the first limiting sleeve is attached to the surfaces of the balls.

Through adopting above-mentioned technical scheme, can drive a plurality of balls on the second stop collar inner wall when first stop collar slides and begin to roll for rolling ball can increase the slip efficiency of first stop collar, thereby can increase the rotation efficiency of two tight pieces of clamp, the convenience is pressed from both sides tight to the work piece.

To sum up, the utility model discloses following beneficial effect has: the two clamping blocks are driven by the cylinder to rotate on the fixing block, and simultaneously, the two clamping blocks are clamped at two ends of a workpiece in the rotating process under the action of the tension of the spring, so that the clamping blocks are prevented from compressing the upper end of the workpiece to influence the machining precision of the workpiece.

Drawings

Fig. 1 is a perspective view of the milling machine main body of the present invention;

fig. 2 is a schematic structural view of the clamping device of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2, which is mainly used to show the structure of the stop collar and the spring;

fig. 4 shows the structure of the fixing block, the supporting block and the sliding block of the present invention.

In the figure: 1. a milling machine main body; 2. a work table; 3. a cylinder; 4. a fixed block; 5. a clamping block; 6. a limiting block; 7. a support block; 8. a rotating shaft; 9. a roller; 10. a spring; 11. a first stop collar; 12. a second stop collar; 13. a ball bearing; 14. a slide block.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to the accompanying drawings and examples.

A milling machine, referring to fig. 1 and 2, comprises a milling machine body 1 and a workbench 2 welded on the milling machine body 1, wherein two clamping devices are symmetrically arranged on the workbench 2, the clamping devices are connected to the workbench 2 in a sliding manner, each clamping device comprises an air cylinder 3, a fixed block 4 welded with the air cylinder 3 and two clamping blocks 5 rotatably connected with the fixed block 4, the two clamping blocks 5 are symmetrically arranged at two ends of the fixed block 4, and a spring 10 is welded between the two clamping blocks 5; all rotate at the one end that two press from both sides tight piece 5 and be close to fixed block 4 and be connected with gyro wheel 9, the both sides of fixed block 4 all are equipped with the rolling inclined plane of confession gyro wheel 9, and the both ends of fixed block 4 all weld stopper 6, roll on the inclined plane of fixed block 4 when gyro wheel 9 rolls to the position department inconsistent with stopper 6, make stopper 6 can restrict gyro wheel 9 and continue to roll, thereby can restrict the displacement volume of fixed block 4, can control two maximum opening degrees that press from both sides tight piece 5 simultaneously, and weld supporting shoe 7 in the bottom of fixed block 4, and the length of supporting shoe 7 is greater than the length of fixed block 4, two press from both sides tight piece 5 and rotate with supporting shoe 7 through pivot 8 and be connected.

Referring to fig. 3, a stop collar is sleeved outside a spring 10, the stop collar comprises a first stop collar 11 and a second stop collar 12 slidably connected with the first stop collar 11, ends of the first stop collar 11 and the second stop collar 12, which are away from each other, are respectively welded on two clamping blocks 5, a plurality of balls 13 are rotatably connected on an inner wall of the second stop collar 12, and an outer wall of the first stop collar 11 is attached to surfaces of the balls 13, when the two clamping blocks 5 are separated, the spring 10 between the two clamping blocks 5 is stretched, and the first stop collar 11 and the second stop collar 12 sleeved outside the spring 10 can prevent the spring 10 from being broken when being stretched and contracted, so as to protect the spring 10, and the first stop collar 11 can drive the balls 13 on the inner wall of the second stop collar 12 to start rolling when sliding, so that the rolling of the balls 13 increases the sliding efficiency of the first stop collar 11, thereby can increase spring 10's life, and the stop collar can stretch out and draw back like the telescopic link when the angle between two clamp splice 5 changes, prevents that the stop collar from breaking.

Referring to fig. 4, and the one end welding that the fixed block 4 was kept away from to supporting shoe 7 has slider 14, set up on the workstation 2 and supply the gliding spout of slider 14, it has first magnet to bond on the inner wall of spout, the one end that slider 14 is close to the spout inner wall bonds has the second magnet with first magnet mutual adsorption, when slider 14 stopped sliding in the spout, the second magnet on the slider 14 can be in the same place with the first magnet adsorption on the spout inner wall, make slider 14 can fix in the spout, prevent that slider 14 from sliding in the spout by oneself, increase the stability when pressing from both sides tight work piece of tight piece of clamp 5.

The working principle is as follows: when the milling machine is normally used, a workpiece can be processed only after being clamped, and at the moment, a worker can drive the cylinder 3 to extend the cylinder 3, the cylinder 3 can push the fixing block 4 to enable the fixing block 4 to slide towards one end close to the workpiece in the extending process, the clamping blocks 5 rotatably connected to the fixing block 4 are attached to the workpiece, the clamping blocks 5 are attached to the outer wall of the workpiece together to clamp two ends of the workpiece, the spring 10 connected between the two clamping blocks 5 enables the clamping device to clamp workpieces of different sizes, the clamping device cannot be clamped on the upper surface of the workpiece, the upper surface of the workpiece is guaranteed to be free of any obstacle, the whole upper surface of the workpiece can be processed, the clamping blocks 5 are tightly attached to the workpiece under the action of the tensile force of the spring 10, and the stability of the workpiece when being clamped is improved, therefore, the processing efficiency of the milling machine and the accuracy of workpiece output can be ensured.

When one end of each of the two clamping blocks 5, which is close to the fixed block 4, slides on the fixed block 4, the roller 9 on each clamping block 5 can roll along the inclined surface of the fixed block 4, and when the roller 9 slides on the inclined surface, the two clamping blocks 5 can be close to or away from each other, and the two clamping blocks 5 can be gradually separated under the rolling of the roller 9, when the two clamping blocks 5 are in contact with the two ends of a workpiece, the fixed block 4 can be driven to move towards one end away from the clamping blocks 5, so that the two clamping blocks 5 can be close to each other and clamped under the elastic action of the spring 10, and the two clamping blocks 5 can compress the workpiece under the tensile action of the spring 10, so that the clamping blocks 5 can move flexibly, the structure is simple, and the operation of a worker is convenient; and when two press from both sides tight piece 5 and rotate on fixed block 4, and two press from both sides tight piece 5 and can rotate on supporting shoe 7 through pivot 8 separately, fixed block 4 just can drive when cylinder 3 slides on workstation 2 and press from both sides tight piece 5 and rotate on supporting shoe 7, make two angle that press from both sides tight piece 5 and be close to fixed block 4 one end can reduce or increase under the slip of fixed block 4, and can guarantee to press from both sides the stability when tight piece 5 rotates, and fixed block 4 is when sliding, slider 14 of supporting shoe 7 bottom can slide in the spout of seting up on workstation 2, thereby can further guarantee the stability of fixed block 4 when the drive presss from both sides tight piece 5 and rotates.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a milling machine, includes milling machine main part (1) and sets up workstation (2) on milling machine main part (1), its characterized in that: the symmetry is provided with two clamping device on workstation (2), clamping device sliding connection is on workstation (2), clamping device including cylinder (3), with cylinder (3) fixed connection's fixed block (4) and with fixed block (4) rotate two clamp tight piece (5) of being connected, two press from both sides tight piece (5) symmetry and set up at the both ends of fixed block (4), two fixedly connected with spring (10) between tight piece (5).

2. A milling machine as claimed in claim 1, wherein: the clamping device is characterized in that one end, close to the fixed block (4), of each of the two clamping blocks (5) is rotatably connected with a roller (9), and inclined planes for the rollers (9) to roll are arranged on two sides of the fixed block (4).

3. A milling machine as claimed in claim 2, wherein: the bottom fixedly connected with supporting shoe (7) of fixed block (4), the length of supporting shoe (7) is greater than the length of fixed block (4), two press from both sides tight piece (5) and rotate with supporting shoe (7) through pivot (8) and be connected.

4. A milling machine according to claim 3, wherein: one end of the supporting block (7) far away from the fixed block (4) is fixedly connected with a sliding block (14), and a sliding groove for the sliding block (14) to slide is formed in the workbench (2).

5. A milling machine according to claim 4, wherein: be provided with first magnet on the inner wall of spout, the one end that slider (14) are close to the spout inner wall is provided with the second magnet that adsorbs each other with first magnet.

6. A milling machine as claimed in claim 2, wherein: and two ends of the fixed block (4) are fixedly connected with limit blocks (6) for limiting the rolling-out of the rollers (9).

7. A milling machine as claimed in claim 1, wherein: the outside cover of spring (10) is equipped with the stop collar, the stop collar include first stop collar (11) and with first stop collar (11) sliding connection's second stop collar (12), the one end difference fixed connection that first stop collar (11) and second stop collar (12) deviate from mutually is on two clamp splice (5).

8. A milling machine according to claim 7, wherein: the inner wall of the second limiting sleeve (12) is connected with a plurality of balls (13) in a rotating mode, and the outer wall of the first limiting sleeve (11) is attached to the surfaces of the balls (13).