CN114310401A

CN114310401A - Special fixture for numerical control machining center

Info

Publication number: CN114310401A
Application number: CN202011093253.XA
Authority: CN
Inventors: 王秀波
Original assignee: Xiante Suzhou Precision Technology Co ltd
Current assignee: Xiante Suzhou Precision Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2022-04-12

Abstract

The invention discloses a special clamp for a numerical control machining center, which comprises a bottom plate, wherein supporting plates are fixedly connected to two sides of the top of the bottom plate, a workbench is movably connected to the top of the left side of each supporting plate, a motor is fixedly connected to the left side of each supporting plate, a rotating shaft of the motor is fixedly connected with a first bevel gear, a driving rod is fixedly connected to the left side of each workbench, and the left end of the driving rod penetrates through the left side of each supporting plate and is fixedly connected with a second bevel gear. The special clamp for the numerical control machining center has the advantages of stable clamping and dust removal function, and solves the problems that the workpiece can only be clamped and fixed simply left and right in the using process of the existing special clamp for the numerical control machining center, so that the workpiece is easy to shake when being machined, the machining effect is influenced, and the surface of the machined workpiece cannot be subjected to dust removal treatment due to the single structure, so that the applicability of the special clamp is reduced.

Description

Special fixture for numerical control machining center

Technical Field

The invention relates to the technical field of numerical control machining, in particular to a special clamp for a numerical control machining center.

Background

Numerical control machining refers to a process method for machining parts on a numerical control machine tool, and the process rules of numerical control machine machining and traditional machine tool machining are consistent on the whole, but are obviously changed.

The existing special clamp for the numerical control machining center can only clamp and fix a workpiece in a left and right mode in a simple mode in the using process, so that the workpiece is prone to shaking when the workpiece is machined, machining effect is affected, and due to the fact that the clamp is single in structure, dust removal treatment cannot be conducted on the surface of the machined workpiece, and therefore the applicability of the special clamp is reduced.

Disclosure of Invention

The invention aims to provide a special clamp for a numerical control machining center, which has the advantages of stable clamping and dust removal function, and solves the problems that the workpiece is easy to shake and influence the machining effect when the workpiece is machined due to the fact that the workpiece can only be clamped and fixed simply left and right in the using process of the existing special clamp for the numerical control machining center, and the applicability of the special clamp is reduced due to the fact that the structure is single and the dust removal treatment cannot be carried out on the surface of the machined workpiece.

In order to achieve the purpose, the invention provides the following technical scheme: a special clamp for a numerical control machining center comprises a base plate, wherein supporting plates are fixedly connected to two sides of the top of the base plate, a workbench is movably connected to the top of the left side of the supporting plate, a motor is fixedly connected to the left side of the supporting plate, a first bevel gear is fixedly connected to a rotating shaft of the motor, a driving rod is fixedly connected to the left side of the workbench, the left end of the driving rod penetrates through the left side of the supporting plate and is fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, fixing plates are fixedly connected to two sides of the top of the workbench, hydraulic cylinders are fixedly connected to opposite sides of the fixing plates, clamping plates are fixedly connected to opposite ends of the hydraulic cylinders, a lead screw is movably connected to the bottom of an inner cavity of each clamping plate, a thread sleeve is sleeved on the surface of the lead screw, and a connecting block is fixedly connected to opposite sides of the thread sleeves, the opposite sides of the clamping plates are provided with long holes, one side of the connecting block, which is far away from the thread bush, penetrates through the long holes and is fixedly connected with a pressing plate, the top of the bottom plate is fixedly connected with a box body, the top of the box body is provided with a filter hole, the top of the inner cavity of the box body is fixedly connected with a dust hood, the bottom of the right side of the inner cavity of the box body is fixedly connected with a fan, an air inlet pipe of the fan is communicated with a dust collection pipe, the top end of the dust collection pipe is communicated with the dust collection cover, the air outlet pipe of the fan is communicated with a threaded pipe, the surface of the threaded pipe is sheathed with a filter cartridge by screw thread, the filter cartridge is connected with the threaded pipe by screw thread, the bottom of the left side of the box body is provided with a vent hole, the left side of the top of the bottom plate is fixedly connected with an electric telescopic rod, the top fixedly connected with guard plate of electric telescopic handle, the top and the workstation of guard plate contact.

Preferably, the left side of the supporting plate is fixedly connected with a protective box, and the motor, the first bevel gear and the second bevel gear are all located in an inner cavity of the protective box.

Preferably, the top end of the screw rod penetrates through the top of the clamping plate and is fixedly connected with a rotary table, and the surface of the rotary table is provided with protective grains.

Preferably, one side fixedly connected with guide block that the connecting block was kept away from to the thread bush, the guide way has been seted up to the one side that the connecting block was kept away from to the splint inner chamber, and one side that the connecting block was kept away from to the guide block extends to the inner chamber of guide way.

Preferably, the bottom of the front side of the box body is fixedly connected with a sealing plate, four corners of the front side of the sealing plate are provided with bolts in a penetrating mode, and the rear ends of the bolts penetrate through the rear side of the sealing plate and are in threaded connection with the box body.

Preferably, the top fixedly connected with controller of box front side, the controller respectively with motor, pneumatic cylinder, fan and electric telescopic handle electric connection.

Compared with the prior art, the invention has the following beneficial effects:

1. the special clamp for the numerical control machining center has the advantages of stable clamping and dust removal function through the matching of the bottom plate, the supporting plate, the workbench, the motor, the first bevel gear, the driving rod, the second bevel gear, the fixing plate, the hydraulic cylinder, the clamping plate, the screw rod, the threaded sleeve, the connecting block, the long hole, the pressing plate, the box body, the filtering hole, the dust hood, the fan, the dust suction pipe, the threaded pipe and the filter cylinder, and solves the problems that the workpiece can only be clamped and fixed simply left and right in the using process of the existing special clamp for the numerical control machining center, the workpiece is easy to shake when being machined, the machining effect is influenced, and the surface of the machined workpiece cannot be subjected to dust removal treatment due to the single structure, so that the applicability of the special clamp is reduced.

2. The workbench can rotate by arranging the motor, the first bevel gear, the driving rod and the second bevel gear, the workpiece can be clamped and fixed left and right by arranging the fixing plate, the hydraulic cylinder and the clamping plate, the workpiece can be fixed up and down by arranging the lead screw, the threaded sleeve, the connecting block and the pressing plate, the fixing effect is improved, shaking is prevented, dust and debris adhered to the surface of the workpiece can be subjected to dust collection treatment by arranging the box body, the filtering hole, the dust collection cover and the fan, the workbench can be limited and fixed by arranging the electric telescopic rod and the protection plate, the autorotation phenomenon is prevented, the motor, the first bevel gear and the second bevel gear can be sealed and protected by arranging the protection box, and a filter cylinder can be conveniently disassembled and cleaned by a user by arranging the protection plate.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a left side view of the partial structure of the present invention;

FIG. 3 is a schematic front view of the structure of the present invention;

FIG. 4 is an enlarged schematic view of A in FIG. 1 according to the present invention.

In the figure: the device comprises a base plate 1, a support plate 2, a workbench 3, a motor 4, a first bevel gear 5, a drive rod 6, a second bevel gear 7, a fixing plate 8, a hydraulic cylinder 9, a clamping plate 10, a lead screw 11, a threaded sleeve 12, a connecting block 13, a long hole 14, a pressing plate 15, a box 16, a filter hole 17, a dust hood 18, a fan 19, a dust suction pipe 20, a threaded pipe 21, a filter cartridge 22, a vent hole 23, an electric telescopic rod 24, a protection plate 25, a protection box 26, a sealing plate 27 and a controller 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The bottom plate 1, the support plate 2, the workbench 3, the motor 4, the first bevel gear 5, the driving rod 6, the second bevel gear 7, the fixing plate 8, the hydraulic cylinder 9, the clamping plate 10, the screw rod 11, the threaded sleeve 12, the connecting block 13, the long hole 14, the pressing plate 15, the box body 16, the filtering hole 17, the dust hood 18, the fan 19, the dust suction pipe 20, the threaded pipe 21, the filter cylinder 22, the vent hole 23, the electric telescopic rod 24, the protection plate 25, the protection box 26, the sealing plate 27 and the controller 28 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the invention can be known by the technical manual or a conventional experimental method.

Referring to fig. 1-4, a special fixture for a numerical control machining center comprises a bottom plate 1, wherein both sides of the top of the bottom plate 1 are fixedly connected with a support plate 2, the left side of the support plate 2 is fixedly connected with a protection box 26, a motor 4, a first bevel gear 5 and a second bevel gear 7 are all positioned in the inner cavity of the protection box 26, the motor 4, the first bevel gear 5 and the second bevel gear 7 can be sealed and protected by arranging the protection box 26, the top of the left side of the support plate 2 is movably connected with a workbench 3, the left side of the support plate 2 is fixedly connected with the motor 4, the rotating shaft of the motor 4 is fixedly connected with the first bevel gear 5, the left side of the workbench 3 is fixedly connected with a driving rod 6, the left end of the driving rod 6 penetrates through the left side of the support plate 2 and is fixedly connected with the second bevel gear 7, and the workbench 3 can rotate by arranging the motor 4, the first bevel gear 5, the driving rod 6 and the second bevel gear 7, the first bevel gear 5 is meshed with the second bevel gear 7, two sides of the top of the workbench 3 are fixedly connected with a fixing plate 8, one side opposite to the fixing plate 8 is fixedly connected with a hydraulic cylinder 9, one end opposite to the hydraulic cylinder 9 is fixedly connected with a clamping plate 10, the workpiece can be clamped and fixed left and right by arranging the fixing plate 8, the hydraulic cylinder 9 and the clamping plate 10, the bottom of an inner cavity of the clamping plate 10 is movably connected with a lead screw 11, the top end of the lead screw 11 penetrates through the top of the clamping plate 10 and is fixedly connected with a rotary plate, the surface of the rotary plate is provided with protective grains, a threaded sleeve 12 is sleeved on the surface of the lead screw 11, a guide block is fixedly connected to one side of the threaded sleeve 12, which is far away from the connecting block 13, a guide groove is formed in one side of the inner cavity of the clamping plate 10, which is far away from the connecting block 13, the inner cavity of the guide block is extended to the inner cavity of the guide groove, and one side opposite to the threaded sleeve 12 is fixedly connected with the connecting block 13, the opposite side of the clamping plate 10 is provided with a long hole 14, one side of the connecting block 13, which is far away from the thread bush 12, penetrates through the long hole 14 and is fixedly connected with a pressing plate 15, the workpiece can be fixed up and down by arranging the screw rod 11, the thread bush 12, the connecting block 13 and the pressing plate 15, the fixing effect is increased, the shaking is prevented, the top of the bottom plate 1 is fixedly connected with a box body 16, the bottom of the front side of the box body 16 is fixedly connected with a sealing plate 27, four corners of the front side of the sealing plate 27 are all penetrated with bolts, the rear ends of the bolts penetrate through to the rear side of the sealing plate 27 and are in threaded connection with the box body 16, through arranging the sealing plate 27, a user can conveniently detach and clean the filter cartridge 22, the top of the front side of the box body 16 is fixedly connected with a controller 28, the controller 28 is respectively and electrically connected with the motor 4, the hydraulic cylinder 9, the fan 19 and the electric telescopic rod 24, the top of the box body 16 is provided with a filter hole 17, by arranging the filtering holes 17, larger fragments can be filtered in advance, the blockage of the dust suction pipe 20 is prevented, the top of the inner cavity of the box body 16 is fixedly connected with a dust suction cover 18, the bottom on the right side of the inner cavity of the box body 16 is fixedly connected with a fan 19, by arranging the box body 16, the filtering holes 17, the dust suction cover 18 and the fan 19, dust suction treatment can be carried out on dust and the fragments adhered to the surface of a workpiece, an air inlet pipe of the fan 19 is communicated with the dust suction pipe 20, the top end of the dust suction pipe 20 is communicated with the dust suction cover 18, an air outlet pipe of the fan 19 is communicated with a threaded pipe 21, a filter cylinder 22 is sleeved on the surface thread of the threaded pipe 21, the filter cylinder 22 is in threaded connection with the threaded pipe 21, the bottom on the left side of the box body 16 is provided with a vent hole 23, filtered air is conveniently discharged by arranging the vent hole 23, the left side of the top of the bottom plate 1 is fixedly connected with an electric telescopic rod 24, and a protection plate 25 is fixedly connected with the top of the electric telescopic rod 24, by arranging the electric telescopic rod 24 and the protection plate 25, the workbench 3 can be limited and fixed, the autorotation phenomenon is prevented, the top of the protection plate 25 is contacted with the workbench 3, and the bottom plate 1, the support plate 2, the workbench 3, the motor 4, the first bevel gear 5, the drive rod 6, the second bevel gear 7, the fixed plate 8, the hydraulic cylinder 9, the clamping plate 10, the lead screw 11, the thread bushing 12, the connecting block 13, the long hole 14, the pressing plate 15, the box body 16, the filtering hole 17, the dust hood 18, the fan 19, the dust suction pipe 20, the thread pipe 21 and the filter cartridge 22 are matched, so that the clamp has the advantages of stable clamping and dust removal function, the existing special clamp for the numerical control machining center is solved, in the using process, the workpiece can only be clamped and fixed simply left and right, the workpiece is easy to shake when the workpiece, the machining effect is influenced, and the structure is single, the surface of the processed workpiece can not be subjected to dust removal treatment, so that the applicability of the special clamp is reduced.

When the device is used, a workpiece to be processed is placed at the top of the workbench 3, the controller 28 controls the hydraulic cylinder 9 to extend, the hydraulic cylinder 9 drives the clamping plate 10 to move, the clamping plate 10 clamps and fixes the workpiece left and right, then the rotary table is rotated, the rotary table drives the screw rod 11 to rotate, the screw rod 11 enables the threaded sleeve 12 to move downwards through being in threaded connection with the threaded sleeve 12, the threaded sleeve 12 drives the connecting block 13 to move downwards, the connecting block 13 drives the pressing plate 15 to move downwards, the pressing plate 15 fixes the workpiece on a second layer to increase the fixing effect, then processing operation is carried out on the surface of the workpiece, after processing is completed, a large amount of dust and debris are adhered to the surface of the workpiece, then the controller 28 controls the electric telescopic rod 24 to contract, the electric telescopic rod 24 drives the protection plate 25 to move downwards, then the controller 28 controls the motor 4 to operate, and the rotating shaft of the motor 4 drives the first bevel gear 5 to rotate, first bevel gear 5 drives second bevel gear 7 rotatory, second bevel gear 7 drives actuating lever 6 and workstation 3 rotation, workstation 3 drives the work piece and overturns, the work piece is located the top of crossing filtration pore 17 this moment, the top of box 16 is fallen in to partial piece, then operate through controller 28 control fan 19, fan 19 carries out the dust absorption through dust absorption pipe 20 and suction hood 18 to the dust of work piece surface adhesion and handles, the dust is carried to the inner chamber of cartridge filter 22 under the effect of suction hood 18 and fan 19, cartridge filter 22 filters the dust, the air after the filtration discharges out box 16 through ventilation hole 23.

In summary, the following steps: this numerical control machining center special fixture, through bottom plate 1, backup pad 2, workstation 3, motor 4, first bevel gear 5, actuating lever 6, second bevel gear 7, fixed plate 8, pneumatic cylinder 9, splint 10, lead screw 11, thread bush 12, connecting block 13, slot hole 14, clamp plate 15, box 16, cross the cooperation of filtration hole 17, suction hood 18, fan 19, dust absorption pipe 20, screwed pipe 21 and cartridge filter 22, current numerical control machining center special fixture has been solved, in the use, can only carry out simple left and right sides centre gripping fixed to the work piece usually, lead to adding man-hour to the work piece, the work piece produces the rocking phenomenon easily, influence the machining effect, and because the structure is single, can not carry out dust removal processing to the work piece surface after processing, thereby the problem of special fixture suitability has been reduced.

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. The utility model provides a numerical control machining center special fixture, includes bottom plate (1), its characterized in that: the two sides of the top of the bottom plate (1) are fixedly connected with supporting plates (2), the top of the left side of the supporting plate (2) is movably connected with a workbench (3), the left side of the supporting plate (2) is fixedly connected with a motor (4), a rotating shaft of the motor (4) is fixedly connected with a first bevel gear (5), the left side of the workbench (3) is fixedly connected with a driving rod (6), the left end of the driving rod (6) penetrates through the left side of the supporting plate (2) and is fixedly connected with a second bevel gear (7), the first bevel gear (5) is meshed with the second bevel gear (7), the two sides of the top of the workbench (3) are fixedly connected with fixing plates (8), one opposite sides of the fixing plates (8) are fixedly connected with hydraulic cylinders (9), one opposite ends of the hydraulic cylinders (9) are fixedly connected with clamping plates (10), and the bottom of an inner cavity of the clamping plates (10) is movably connected with a screw rod (11), the surface thread sleeve of the lead screw (11) is provided with a thread sleeve (12), one side of the thread sleeve (12) opposite to the thread sleeve is fixedly connected with a connecting block (13), one side of the clamping plate (10) opposite to the thread sleeve is provided with a long hole (14), one side of the connecting block (13) far away from the thread sleeve (12) penetrates through the long hole (14) and is fixedly connected with a pressing plate (15), the top of the bottom plate (1) is fixedly connected with a box body (16), the top of the box body (16) is provided with a filtering hole (17), the top of the inner cavity of the box body (16) is fixedly connected with a dust hood (18), the bottom of the right side of the inner cavity of the box body (16) is fixedly connected with a fan (19), an air inlet pipe of the fan (19) is communicated with a dust suction pipe (20), the top end of the dust suction pipe (20) is communicated with the dust hood (18), and an air outlet pipe of the fan (19) is communicated with a thread pipe (21), the surperficial screw thread cover of screwed pipe (21) is equipped with cartridge filter (22), cartridge filter (22) and screwed pipe (21) threaded connection, ventilation hole (23) have been seted up to the left bottom of box (16), the left side fixedly connected with electric telescopic handle (24) at bottom plate (1) top, the top fixedly connected with guard plate (25) of electric telescopic handle (24), the top and workstation (3) of guard plate (25) contact.

2. The special clamp for the numerical control machining center according to claim 1, characterized in that: the left side fixedly connected with guard box (26) of backup pad (2), motor (4), first bevel gear (5) and second bevel gear (7) all are located the inner chamber of guard box (26).

3. The special clamp for the numerical control machining center according to claim 1, characterized in that: the top end of the screw rod (11) penetrates through the top of the clamping plate (10) and is fixedly connected with a rotary table, and protective grains are arranged on the surface of the rotary table.

4. The special clamp for the numerical control machining center according to claim 1, characterized in that: one side fixedly connected with guide block of connecting block (13) is kept away from in thread bush (12), the guide way has been seted up to one side that connecting block (13) were kept away from in splint (10) inner chamber, and one side that connecting block (13) were kept away from to the guide block extends to the inner chamber of guide way.

5. The special clamp for the numerical control machining center according to claim 1, characterized in that: the bottom fixedly connected with closing plate (27) of box (16) front side, the four corners of closing plate (27) front side all runs through and is provided with the bolt, and the rear end of bolt runs through to the rear side of closing plate (27) and with box (16) threaded connection.

6. The special clamp for the numerical control machining center according to claim 1, characterized in that: the top of the front side of the box body (16) is fixedly connected with a controller (28), and the controller (28) is electrically connected with the motor (4), the hydraulic cylinder (9), the fan (19) and the electric telescopic rod (24) respectively.