CN215035540U

CN215035540U - Workpiece fixing device for machine tool

Info

Publication number: CN215035540U
Application number: CN202120914558.6U
Authority: CN
Inventors: 李金勇; 代成飞; 程英辉; 陈秀; 汪华锋; 李志远
Original assignee: HBIS Co Ltd Chengde Branch
Current assignee: HBIS Co Ltd Chengde Branch
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-07
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a workpiece fixing device for a machine tool, which comprises a base, a workpiece lifting mechanism, a left clamping plate, a right clamping plate, a transverse push-pull mechanism, a right connecting rod, an electromagnetic sleeve and a spring, wherein the workpiece lifting mechanism is arranged in the middle of the upper surface of the base and bears a workpiece to be processed; the left clamping plate and the right clamping plate are respectively positioned on the left side and the right side of the workpiece, and the transverse push-pull mechanism is arranged on the base and connected with the left clamping plate; the electromagnetic sleeve is fixed on the base through the support, the right end of the right connecting rod is loosely sleeved in the electromagnetic sleeve and is in magnetic connection with the electromagnetic sleeve, the left end of the right connecting rod penetrates through the spring and is connected with the right clamping plate, and two ends of the spring are respectively connected with the right clamping plate and the electromagnetic sleeve. The utility model discloses utilize work piece elevating system to adjust the work piece height, utilize splint to press from both sides tight work piece about the interval adjustable, not only convenient operation, work efficiency is high, and the commonality is strong moreover, can fix not unidimensional work piece to the processing cost of work piece has been reduced.

Description

Workpiece fixing device for machine tool

Technical Field

The utility model relates to a work piece fixing device (or called work piece holder) that uses when utilizing lathe processing work piece belongs to machining technical field.

Background

Machine tools play an important role in the equipment manufacturing industry, are mainly used for forming and processing mechanical parts and are divided into common machine tools and numerical control machine tools. When a machine tool is used for machining a workpiece, the workpiece is mostly required to be fixed by using a fixing device, the existing fixing device mostly adopts a bolt to fix the workpiece on the machine tool, and the fixing mode has the defects of complex operation, low working efficiency, no function of adjusting the height and the horizontal position of the workpiece, and capability of only fixing the workpiece with a certain size, so that the universality is poor, the application range is small, different fixing devices are required to be configured for machining different workpieces, and the machining cost of the workpiece is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a workpiece fixing device for lathe that easy operation, commonality are strong to the drawback of prior art to improve work efficiency, reduce work piece processing cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a workpiece fixing device for a machine tool comprises a base, a workpiece lifting mechanism, a left clamping plate, a right clamping plate, a transverse push-pull mechanism, a right connecting rod, an electromagnetic sleeve and a spring, wherein the workpiece lifting mechanism is arranged in the middle of the upper surface of the base and bears a workpiece to be machined; the left clamping plate and the right clamping plate are respectively positioned on the left side and the right side of the workpiece, and the transverse push-pull mechanism is arranged on the base and connected with the left clamping plate; the electromagnetic sleeve is fixed on the base through the support, the right end of the right connecting rod is loosely sleeved in the electromagnetic sleeve and is in magnetic connection with the electromagnetic sleeve, the left end of the right connecting rod penetrates through the spring and is connected with the right clamping plate, and two ends of the spring are respectively connected with the right clamping plate and the electromagnetic sleeve.

According to the workpiece fixing device for the machine tool, the transverse push-pull mechanism comprises a sliding block, a left connecting rod and an electric hydraulic telescopic rod, the sliding block is connected with the base in a sliding mode through a transverse sliding groove formed in the base and is connected with the left end of the left connecting rod through a supporting block, the right end of the left connecting rod is connected with the left clamping plate, and the electric hydraulic telescopic rod is connected between the base and the sliding block.

Above-mentioned workpiece fixing device for lathe, work piece elevating system includes horizontally backup pad and vertical electric putter, the backup pad is located the top of base, and the work piece of treating processing is placed to its upper portion, electric putter's lower extreme and the upper surface middle part fixed connection of base, the lower surface middle part fixed connection of upper end and backup pad.

Above-mentioned workpiece fixing device for lathe, workpiece lifting mechanism still includes four guiding mechanism, and they set up respectively in four angle lower parts of backup pad, and every guiding mechanism includes guide cylinder and guide bar, the guide cylinder is vertical to be fixed on the base, the upper end and the backup pad of guide bar are connected, and the lower extreme inserts in the guide cylinder and with the inner wall sliding connection of guide cylinder.

Above-mentioned workpiece fixing device for lathe, the lower extreme both sides of guide bar all are equipped with the stopper, be equipped with on the inner wall of guide cylinder with stopper assorted vertical spout.

Above-mentioned workpiece fixing device for lathe, the one side that left splint and right splint and workpiece are relative all is equipped with anti-skidding protection pad.

The utility model discloses utilize work piece elevating system to adjust the work piece height, utilize splint press from both sides tight work piece about the interval adjustable, convenient operation not only, work efficiency is high, and the commonality is strong moreover, can fix not unidimensional work piece with a set of work piece fixing device to the processing cost of work piece has been reduced.

Drawings

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

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

FIG. 2 is a schematic structural view of a workpiece lifting mechanism;

FIG. 3 is a schematic view of the connection of the electromagnetic sleeve and the right link;

fig. 4 is a schematic structural view of the transverse push-pull mechanism.

The reference numbers in the figures are: 1. a base; 2. a guide cylinder; 3. a guide bar; 4. a vertical chute; 5. a limiting block; 6. a support plate; 7. an electric push rod; 8. a support; 9. an electromagnetic sleeve; 10. a right connecting rod; 11. a right splint; 12. a transverse chute; 13. an electric hydraulic telescopic rod; 14. a slider; 15. a support block; 16. a left connecting rod; 17. a left splint; 18. a spring; 19. an antiskid protection pad.

Detailed Description

The utility model provides a work piece fixing device for lathe, the device have solved the fixed loaded down with trivial details time-consuming of work piece, can not adjust the distance between two work piece splint, and the work piece height can not be adjusted, leads to the poor problem of fixing device commonality.

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 belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model discloses a base 1, guide cylinder 2 is installed at base 1 top, be equipped with guide bar 3 in the guide cylinder 2, guide bar 3 and guide cylinder 2 sliding connection, it has two vertical spouts 4 to open in the guide cylinder 2, two vertical spouts 4 are located the inner wall of the 2 left and right sides of guide cylinder respectively, two relative stopper 5 are installed to 3 lower extremes of guide bar, two stopper 5 are located the 3 left and right sides of guide bar respectively, stopper 5 and vertical spout 4 sliding connection, backup pad 6 is installed at 3 tops of guide bar, backup pad 6 bottom is equipped with electric putter 7, electric putter 7's lower extreme and base 1 fixed connection, electric putter 7's upper end and backup pad 6 fixed surface are connected. The guide cylinder 2, the guide rod 3, the vertical sliding groove 4, the limiting block 5, the supporting plate 6 and the electric push rod 7 form a workpiece lifting mechanism for adjusting the height of a workpiece.

The base 1 is provided with a workpiece fixing mechanism, and the workpiece fixing mechanism comprises a support 8, an electromagnetic sleeve 9, a right connecting rod 10, a right clamping plate 11, a transverse sliding groove 12, an electric hydraulic telescopic rod 13, a sliding block 14, a supporting block 15, a left connecting rod 16, a left clamping plate 17, a spring 18 and an anti-skidding protection pad 19. The electromagnetic telescopic rod type hydraulic support is characterized in that a support 8 is installed on the right side of the top of a base 1, an electromagnetic sleeve 9 is installed on the top of the support 8, the right end of a right connecting rod 10 is inserted into the electromagnetic sleeve 9, the right connecting rod 10 is connected with the inner wall of the electromagnetic sleeve 9 in a sliding mode, a right clamping plate 11 is installed at the left end of the right connecting rod 10, a transverse sliding groove 12 is formed in the left side of the top of the base 1, an electric hydraulic telescopic rod 13 is installed in the transverse sliding groove 12, a sliding block 14 is installed at the telescopic end of the electric hydraulic telescopic rod 13, the sliding block 14 is connected with the transverse sliding groove 12 in a sliding mode, a supporting block 15 is installed at the top of the sliding block 14, the left end of a left connecting rod 16 is fixed on the right side of the supporting block 15, and a left clamping plate 17 is installed at the right end of the left connecting rod 16; a spring 18 is sleeved on the right connecting rod 10, one end of the spring 18 is fixedly connected with the electromagnetic sleeve 9, and the other end of the spring 18 is fixedly connected with the right clamping plate 11; the right splint 11 and the left splint 17 are both provided with an antiskid protection pad 19; the right clamping plate 11 and the left clamping plate 17 are at the same height and are both positioned above the supporting plate 6; the right connecting rod 10 is in magnetic connection with the electromagnetic sleeve 9; the number of the guide cylinders 2 and the guide rods 3 is four, and the guide cylinders and the guide rods are uniformly distributed at four corners of the bottom of the support plate 6; the electric push rod 7 is positioned at the bottom center of the support plate 6 and at the top center of the base 1. The sliding block 14, the left connecting rod 16, the electric hydraulic telescopic rod 13, the transverse sliding groove 12 and the supporting block 15 form a transverse pushing and pulling mechanism for driving the left clamping plate 17 to transversely move.

All electrical components are connected with the adaptive power supply through leads, and a proper controller is selected according to actual conditions so as to meet control requirements. The detailed connection means is a known technology in the art, and the following main description is provided for the working principle and the process, and no description is given for the electrical control.

Example (b): during the use, place the backup pad 6 with the work piece on, when needing height-adjusting, start electric putter 7, electric putter 7's flexible end is stretched out and drawn back and is driven backup pad 6 and remove, and backup pad 6 drives guide bar 3 and slides in guide cylinder 2, and guide bar 3 drives stopper 5 and slides in vertical spout 4, plays the spacing effect of auxiliary stay, removes the height of adjusting the work piece through backup pad 6. Starting the electric hydraulic telescopic rod 13, driving the sliding block 14 to slide in the transverse sliding groove 12 by the telescopic end of the electric hydraulic telescopic rod 13, driving the supporting block 15 to move by the sliding block 14, driving the left clamping plate 17 to move by the supporting block 15 through the left connecting rod 16, contacting one side of the workpiece with the left clamping plate 17, the workpiece is pushed to slide on the supporting plate 6 through the left clamping plate 17, after the other side of the workpiece is contacted with the right clamping plate 11, the right clamping plate 11 applies pressure to the spring 18, the spring 18 deforms and contracts, the right connecting rod 10 slides in the electromagnetic sleeve 9, the purpose of adjusting the position of a workpiece is achieved, the electromagnetic sleeve 9 is started after adjustment is completed, the electromagnetic sleeve 9 fixes the right connecting rod 10, and by adjusting the distance between the right clamping plate 11 and the left clamping plate 17, the anti-skid protective pad can be used for fixing workpieces of different sizes, is convenient and quick to operate, improves the working efficiency, and plays a role in anti-skid protection on the workpieces through the anti-skid protective pad 19.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

1. A workpiece fixing device for a machine tool is characterized by comprising a base (1), a workpiece lifting mechanism, a left clamping plate (17), a right clamping plate (11), a transverse push-pull mechanism, a right connecting rod (10), an electromagnetic sleeve (9) and a spring (18), wherein the workpiece lifting mechanism is arranged in the middle of the upper surface of the base (1) and bears a workpiece to be machined; the left clamping plate (17) and the right clamping plate (11) are respectively positioned at the left side and the right side of the workpiece, and the transverse push-pull mechanism is arranged on the base (1) and connected with the left clamping plate (17); electromagnetic sleeve (9) are fixed on base (1) through support (8), the right-hand member loose cover of right connecting rod (10) is in electromagnetic sleeve (9) and is connected with electromagnetic sleeve (9) magnetic force, and the left end passes spring (18) and is connected with right splint (11), the both ends of spring (18) are connected with right splint (11) and electromagnetic sleeve (9) respectively.

2. The workpiece fixing device for the machine tool is characterized in that the transverse pushing and pulling mechanism comprises a sliding block (14), a left connecting rod (16) and an electric hydraulic telescopic rod (13), the sliding block (14) is connected with the base (1) in a sliding mode through a transverse sliding groove (12) formed in the base (1) and is connected with the left end of the left connecting rod (16) through a supporting block (15), the right end of the left connecting rod (16) is connected with a left clamping plate (17), and the electric hydraulic telescopic rod (13) is connected between the base (1) and the sliding block (14).

3. The workpiece fixing device for the machine tool is characterized in that the workpiece lifting mechanism comprises a horizontal supporting plate (6) and a vertical electric push rod (7), the supporting plate (6) is positioned above the base (1), a workpiece to be machined is placed at the upper part of the supporting plate, the lower end of the electric push rod (7) is fixedly connected with the middle part of the upper surface of the base (1), and the upper end of the electric push rod is fixedly connected with the middle part of the lower surface of the supporting plate (6).

4. A workpiece holding device for a machine tool as defined in claim 3, wherein said workpiece lifting mechanism further comprises four guide mechanisms respectively disposed at lower four corners of the supporting plate (6), each guide mechanism comprising a guide cylinder (2) and a guide rod (3), said guide cylinder (2) being vertically fixed to the base (1), said guide rod (3) having an upper end connected to the supporting plate (6) and a lower end inserted into the guide cylinder (2) and slidably connected to an inner wall of the guide cylinder (2).

5. The workpiece fixing device for the machine tool as claimed in claim 4, wherein both sides of the lower end of the guide rod (3) are provided with limit blocks (5), and the inner wall of the guide cylinder (2) is provided with vertical sliding grooves (4) matched with the limit blocks (5).

6. A workpiece holding device for a machine tool as claimed in claim 4 or 5, characterised in that the left clamping plate (17) and the right clamping plate (11) are provided with anti-slip protective pads (19) on the sides opposite the workpiece.