CN213164863U - Clamping device for grinding machine - Google Patents

Abstract

The utility model discloses a clamping device for grinding machine, including power device, power device includes the motor, the motor top is equipped with the metal carousel, metal carousel surface is equipped with the connecting rod, connecting rod one end swing joint metal carousel surface, the connecting rod other end is connected and is equipped with first movable rod, first movable rod outside is equipped with the fixer, the inside movable chamber that is equipped with of fixer, activity chamber one end is equipped with the gag lever post, the inside spacing hole that is equipped with of gag lever post, first movable rod runs through the activity chamber with spacing downthehole portion. Has the advantages that: the utility model discloses relative ratio prior art is more convenient to the centre gripping of work piece, adopts mechanical clamping, and operating procedure is simpler, when carrying out the bottom to the work piece and fixing, fixes work piece upper portion, and convenient operation can carry out the centre gripping to some special-shaped work pieces, need not change the part, makes things convenient for workman's operation.

Description

Clamping device for grinding machine

Technical Field

The utility model relates to a grinding machine equipment particularly, relates to a clamping device for grinding machine.

Background

A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. Most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like.

In current grinding machine location, to the clamp of work piece usually through adjust repeatedly confirm press from both sides tight work piece after, implement the work of polishing at last, efficiency is relatively poor, and current clamping device can only realize two position fixes to some comparatively regular work pieces, to some special-shaped work pieces, the example: arc type work piece etc. current clamping device can't carry out accurate positioning and press from both sides it, needs to change clamping device with regard to can, and the change step is loaded down with trivial details and long consuming time.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a clamping device for grinding machine to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a clamping device for a grinding machine comprises a power device, wherein the power device comprises a motor, a metal turntable is arranged at the top of the motor, a connecting rod is arranged on the surface of the metal turntable, one end of the connecting rod is movably connected with the surface of the metal turntable, a first movable rod is connected with the other end of the connecting rod, a fixer is arranged outside the first movable rod, a movable cavity is arranged inside the fixer, one end of the movable cavity is provided with a limiting rod, a limiting hole is arranged inside the limiting rod, the first movable rod penetrates through the movable cavity and the limiting hole, the limiting hole and the movable cavity are in a straight line, the diameter of the limiting hole is consistent with that of the movable cavity, a clamping device is arranged at the bottom of the power device and comprises a connecting cavity which is fixedly arranged at the bottom of the first movable rod, and first connecting pieces are averagely arranged on two sides of the connecting cavity, the first connecting piece is connected and is equipped with the second movable rod, second movable rod one end swing joint first connecting piece, the second movable rod other end is connected and is equipped with the arm lock, the inside second connecting piece that is equipped with of arm lock, the arm lock with the second movable rod passes through the second connecting piece is connected, arm lock movable mounting in the fixer both ends, the arm lock with the fixer junction is equipped with coupling mechanism, arm lock one side fixed connection is equipped with the folder, the inside position that presss from both sides that is equipped with of folder, clamping device one side is equipped with fixing device.

The connecting mechanism comprises a sliding groove, a sliding piece is arranged inside the sliding groove, the sliding piece is arranged on the two sides of the clamping arm, and the sliding groove is arranged on the two sides of the fixer.

The fixing device comprises a fixing seat, a slide way is arranged inside the fixing seat, and a limiting cavity is arranged at the bottom of the slide way.

The slide one end is equipped with first fixed plate, the slide other end is equipped with the second fixed plate, the inside screw hole that is equipped with of second fixed plate.

And a metal threaded rod is arranged in the threaded hole and penetrates through the threaded hole.

The bottom end of the metal threaded rod is provided with a movable plate, the movable plate penetrates through the slide way, and the bottom of the movable plate is installed inside the limiting cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the clamping of the workpiece is more convenient, the mechanical clamping is adopted in the utility model, the operation steps are simpler, the upper part of the workpiece is fixed while the bottom of the workpiece is fixed, the clamping is convenient and the operation is convenient, and the clamping can be carried out on some special-shaped workpieces without replacing parts, thereby facilitating the operation of workers; the utility model drives the metal turntable to rotate through the rotation of the motor, the rotation of the metal turntable drives the connecting rod fixed on the surface to do reciprocating motion, the connecting rod drives the first movable rod to do linear reciprocating motion, and meanwhile, the movable cavity, the limiting rod and the limiting hole of the fixer limit the movable position of the first movable rod; when the first connecting pieces on two sides in the connecting cavity at the bottom of the first movable rod move backwards, the second movable rod connected with the first movable rod is tensioned, because the clamping arms are connected with the second movable rod through the second connecting pieces inside, when the second movable rod moves backwards, the clamping arms are driven to be tightened inwards, the clamping pieces fixed on one side of the clamping arms are tightened together with the clamping positions, and the other side of the clamping pieces is the same; when the first connecting pieces on the two sides in the connecting cavity at the bottom of the first movable rod move forwards, the second movable rod connected with the first movable rod is pushed out, when the second movable rod moves forwards, the clamping arm is driven to open outwards, the clamping piece fixed on one side of the clamping arm and the clamping position are loosened along with the clamping piece, and the other side of the clamping piece is the same as the clamping position.

2. The connecting mechanism enables the clamping arm and the fixer to be movably connected, so that the clamping arm is convenient to tighten and open; when the clamping arms are tightened inwards, the sliding piece slides inwards in the sliding groove, and the sliding piece is fixedly arranged on two sides of the clamping arms and drives the clamping arms to slide inwards, and when the clamping arms are opened outwards, the sliding piece slides outwards in the sliding groove.

3. The fixing device can fix the bottom of the workpiece, the workpiece is placed on the fixing seat, the metal threaded rod is screwed, and the metal threaded rod rotates inwards to press the movable plate through a threaded hole in the second fixing plate, so that the movable plate slides to one side of the first fixing plate, and the workpiece is fixed; the movable plate limits the movable track of the movable plate through the slide way and the limiting cavity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a clamping device for a grinding machine according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a clamping device fixing device for a grinding machine according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a clamping device connecting mechanism for a grinding machine according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a clamping device slider for a grinding machine according to an embodiment of the present invention.

Reference numerals:

1. a metal turntable; 2. a movable cavity; 3. a holder; 4. a slider; 5. clamping arms; 6. a connecting cavity; 7. A clamp; 8. clamping; 9. a fixed seat; 10. a second connecting member; 11. a connecting rod; 12. a first movable bar; 13. a limiting rod; 14. a second movable bar; 15. a first connecting member; 16. a slideway; 17. a first fixing plate; 18. a movable plate; 19. a threaded hole; 20. a metal threaded rod; 21. a limiting cavity; 22. a chute; 23. And a second fixing plate.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a clamping device for grinding machine.

Referring now to the drawings and the detailed description, as shown in fig. 1-4, a clamping device for a grinding machine according to an embodiment of the present invention comprises a power device, the power device comprises a motor, the top of the motor is provided with a metal turntable 1, the surface of the metal turntable 1 is provided with a connecting rod 11, one end of the connecting rod 11 is movably connected with the surface of the metal turntable 1, the other end of the connecting rod 11 is connected with a first movable rod 12, the exterior of the first movable rod 12 is provided with a fixer 3, the interior of the fixer 3 is provided with a movable cavity 2, one end of the movable cavity 2 is provided with a limiting rod 13, the interior of the limiting rod 13 is provided with a limiting hole, the first movable rod 12 penetrates through the movable cavity 2 and the interior of the limiting hole, the limiting hole and the movable cavity 2 are in a straight line, and the size of the limiting hole is consistent with the inner diameter of the movable cavity 2, the bottom of the power device is provided with a clamping device, the clamping device comprises a connecting cavity 6, the connecting cavity 6 is fixedly arranged at the bottom of the first movable rod 12, the two sides of the connecting cavity 6 are averagely provided with first connecting pieces 15, the first connecting pieces 15 are connected with second movable rods 14, one end of the second movable rod 14 is movably connected with the first connecting piece 15, the other end of the second movable rod 14 is connected with a clamping arm 5, a second connecting piece 10 is arranged inside the clamping arm 5, the clamping arm 5 is connected with the second movable rod 14 through the second connecting piece 10, the clamping arms 5 are movably arranged at two ends of the fixer 3, a connecting mechanism is arranged at the joint of the clamping arms 5 and the fixer 3, a clamping piece 7 is fixedly connected to one side of the clamping arm 5, a clamping position 8 is arranged inside the clamping piece 7, and a fixing device is arranged on one side of the clamping device.

Through the technical scheme of the utility model, the clamping to the work piece is more convenient, the utility model adopts mechanical clamping, the operation steps are simpler, the upper part of the work piece is fixed while the bottom of the work piece is fixed, the operation is convenient, the clamping to some special-shaped work pieces can be realized, the parts do not need to be replaced, and the operation of workers is convenient; the utility model drives the metal rotary disc 1 to rotate through the rotation of the motor, the rotation of the metal rotary disc 1 drives the connecting rod 11 fixed on the surface to do reciprocating motion, the connecting rod 11 drives the first movable rod 12 to do linear reciprocating motion, and meanwhile, the movable cavity 2, the limiting rod 13 and the limiting hole of the fixer 3 limit the movable position of the first movable rod 12; when the first connecting pieces 15 at two sides in the connecting cavity 6 at the bottom of the first movable rod 12 move backwards, the second movable rod 14 connected with the first movable rod is tensioned, because the clamping arm 5 is connected with the second movable rod 14 through the second connecting piece 10 inside, when the second movable rod 14 moves backwards, the clamping arm 5 is driven to tighten inwards, the clamping piece 7 fixed at one side of the clamping arm 5 and the clamping position 8 tighten along with the tightening, and the other side is the same; when the first connecting pieces 15 at the two sides in the connecting cavity 6 at the bottom of the first movable rod 12 move forwards, the second movable rod 14 connected with the first movable rod is pushed out, when the second movable rod 14 moves forwards, the clamping arm 5 is driven to open outwards, the clamping piece 7 fixed at one side of the clamping arm 5 and the clamping position 8 are loosened along with the movement, and the other side is the same.

Referring to fig. 3 and 4, the connecting mechanism includes a sliding slot 22, a sliding piece 4 is disposed inside the sliding slot 22, the sliding piece 4 is mounted on two sides of the clamping arm 5, and the sliding slot 22 is mounted on two sides of the fixing device 3.

Through the scheme of the utility model, the connecting mechanism enables the clamping arm 5 and the fixer 3 to be movably connected, thereby facilitating the tightening and the opening of the clamping arm 5; when the clipping arms 5 are tightened inward, the slider 4 slides inward in the sliding slot 22, and since the slider 4 is fixedly mounted on both sides of the clipping arms 5, the slider 4 drives the clipping arms 5 to slide inward, and when the clipping arms 5 are opened outward, the slider 4 slides outward in the sliding slot 22.

Referring to fig. 2, the fixing device includes a fixing seat 9, a slide way 16 is disposed inside the fixing seat 9, and a limiting cavity 21 is disposed at the bottom of the slide way 16; a first fixing plate 17 is arranged at one end of the slide way 16, a second fixing plate 23 is arranged at the other end of the slide way 16, and a threaded hole 19 is formed in the second fixing plate 23; a metal threaded rod 20 is arranged inside the threaded hole 19, and the metal threaded rod 20 penetrates through the threaded hole 19; the bottom end of the metal threaded rod 20 is provided with a movable plate 18, the movable plate 18 penetrates through the slideway 16, and the bottom of the movable plate 18 is installed inside the limiting cavity 21.

Through the above scheme of the utility model, the fixing device can fix the bottom of the workpiece, the metal threaded rod 20 is screwed by placing the workpiece on the fixing seat 9, the metal threaded rod 20 rotates to the inner side through the threaded hole 19 inside the second fixing plate 23 to extrude the movable plate 18, so that the movable plate 18 slides to one side of the first fixing plate 17 to fix the workpiece; the movable plate 18 limits the movable track thereof through the slide way 16 and the limit cavity 21.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, compared with the prior art, the clamping of the workpiece is more convenient, the mechanical clamping is adopted, the operation steps are simpler, the upper part of the workpiece is fixed while the bottom of the workpiece is fixed, the clamping is convenient and convenient to operate, a plurality of special-shaped workpieces can be clamped, parts do not need to be replaced, and the operation of workers is facilitated; the connecting mechanism enables the clamping arm 5 and the fixer 3 to be movably connected, so that the clamping arm 5 can be conveniently tightened and opened; the fixing device can fix the bottom of the workpiece.

In summary, with the aid of the technical solution of the present invention, the metal turntable 1 is driven to rotate by the rotation of the motor, the metal turntable 1 rotates to drive the connecting rod 11 fixed on the surface to reciprocate, the connecting rod 11 drives the first movable rod 12 to reciprocate linearly, and the movable cavity 2, the limiting rod 13 and the limiting hole of the fixer 3 limit the movable position of the first movable rod 12; when the first connecting pieces 15 at two sides in the connecting cavity 6 at the bottom of the first movable rod 12 move backwards, the second movable rod 14 connected with the first movable rod is tensioned, because the clamping arm 5 is connected with the second movable rod 14 through the second connecting piece 10 inside, when the second movable rod 14 moves backwards, the clamping arm 5 is driven to tighten inwards, the clamping piece 7 fixed at one side of the clamping arm 5 and the clamping position 8 tighten along with the tightening, and the other side is the same; when the first connecting pieces 15 at the two sides in the connecting cavity 6 at the bottom of the first movable rod 12 move forwards, the second movable rod 14 connected with the first movable rod is pushed out, when the second movable rod 14 moves forwards, the clamping arm 5 is driven to open outwards, the clamping piece 7 fixed at one side of the clamping arm 5 and the clamping position 8 are loosened along with the forward movement, and the other side is the same; when the clamping arms 5 are tightened inwards, the sliding piece 4 slides inwards in the sliding groove 22, and the sliding piece 4 is fixedly arranged at two sides of the clamping arms 5, so that the sliding piece 4 drives the clamping arms 5 to slide inwards, and when the clamping arms 5 are opened outwards, the sliding piece 4 slides outwards in the sliding groove 22; the fixing device can fix the bottom of the workpiece, the workpiece is placed on the fixed seat 9, the metal threaded rod 20 is screwed, the metal threaded rod 20 passes through the threaded hole 19 in the second fixed plate 23, the movable plate 18 is rotated and pressed inwards, and the movable plate 18 slides towards one side of the first fixed plate 17 to fix the workpiece; the movable plate 18 limits the movable track thereof through the slide way 16 and the limit cavity 21.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The clamping device for the grinding machine is characterized by comprising a power device, wherein the power device comprises a motor, a metal turntable (1) is arranged at the top of the motor, a connecting rod (11) is arranged on the surface of the metal turntable (1), one end of the connecting rod (11) is movably connected with the surface of the metal turntable (1), a first movable rod (12) is connected with the other end of the connecting rod (11), a fixer (3) is arranged outside the first movable rod (12), a movable cavity (2) is arranged inside the fixer (3), a limiting rod (13) is arranged at one end of the movable cavity (2), a limiting hole is arranged inside the limiting rod (13), the first movable rod (12) penetrates through the movable cavity (2) and the inside of the limiting hole, the limiting hole and the movable cavity (2) are in a straight line, and the size of the limiting hole is consistent with the inner diameter of the movable cavity (2), the bottom of the power device is provided with a clamping device;

the clamping device comprises a connecting cavity (6), the connecting cavity (6) is fixedly arranged at the bottom of the first movable rod (12), first connecting pieces (15) are averagely arranged at two sides of the connecting cavity (6), second movable rods (14) are connected and arranged on the first connecting pieces (15), one ends of the second movable rods (14) are movably connected with the first connecting pieces (15), clamping arms (5) are connected and arranged at the other ends of the second movable rods (14), second connecting pieces (10) are arranged inside the clamping arms (5), the clamping arms (5) are connected with the second movable rods (14) through the second connecting pieces (10), the clamping arms (5) are movably arranged at two ends of the fixator (3), a connecting mechanism is arranged at the connecting positions of the clamping arms (5) and the fixator (3), and clamping pieces (7) are connected and arranged at one side of the clamping arms (5), the clamping device is characterized in that a clamping position (8) is arranged in the clamping piece (7), and a fixing device is arranged on one side of the clamping device.

2. A clamping device for a grinding machine as claimed in claim 1, characterized in that said connection mechanism comprises a sliding slot (22), a slider (4) is arranged inside said sliding slot (22), said slider (4) is mounted on both sides of said clamping arm (5), and said sliding slot (22) is mounted on both sides of said holder (3).

3. A clamping device for a grinding machine as claimed in claim 1, characterized in that the fixing device comprises a fixed seat (9), a slide way (16) is arranged inside the fixed seat (9), and a limiting cavity (21) is arranged at the bottom of the slide way (16).

4. A clamping device for a grinding machine as claimed in claim 3, characterized in that one end of the slideway (16) is provided with a first fixing plate (17), the other end of the slideway (16) is provided with a second fixing plate (23), and a threaded hole (19) is arranged in the second fixing plate (23).

5. A clamping device for a grinding machine as claimed in claim 4, characterized in that a metal threaded rod (20) is arranged inside said threaded hole (19), said metal threaded rod (20) extending through said threaded hole (19).

6. A clamping device for a grinding machine as claimed in claim 5, characterized in that a movable plate (18) is arranged at the bottom end of the metal threaded rod (20), the movable plate (18) penetrates through the slideway (16), and the bottom of the movable plate (18) is mounted inside the limiting cavity (21).

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