CN214212935U

CN214212935U - Positioning fixture for machining center

Info

Publication number: CN214212935U
Application number: CN202022096977.1U
Authority: CN
Inventors: 唐荣华
Original assignee: Jiangmen Yinfeng Locomotive Parts Co ltd
Current assignee: Jiangmen Yinfeng Locomotive Parts Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-09-17
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a positioning fixture for machining center relates to anchor clamps technical field, including centre gripping under casing and top clamping piece, the inside of centre gripping under casing is provided with drive mechanism, and the side-mounting board is all installed to the corresponding both sides in centre gripping under casing top, and the backplate is installed to the top of centre gripping under casing and the one side that is located two side-mounting boards, and the sliding tray has all been seted up to one side that two side-mounting boards are close to each other, and the inside of two sliding trays all rotates and is connected with the rotation lead screw, and the equal sliding connection in inside of two sliding trays has the slider, the beneficial effects of the utility model are that: this positioning fixture for machining center through using the fixed positioning fixture in top, can fix and spacing from the top of plate-like work piece, can avoid the work piece to produce the condition emergence of deformation at the in-process of centre gripping, and to plate-like work piece, can make the more stability of centre gripping, compares and uses more conveniently in the positioning fixture of present use.

Description

Positioning fixture for machining center

Technical Field

The utility model relates to an anchor clamps technical field specifically is a positioning fixture for machining center.

Background

In order to prevent a part from moving during machining when a workpiece or the like is machined, the workpiece or the like is generally fixed by using a jig, which is a device for fixing a machining object to occupy a correct position to receive construction or inspection during a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

General jigs are squeezed from two ends of a workpiece to the middle to achieve the purpose of positioning and clamping, but for a plate-shaped workpiece with small thickness, the workpiece is not convenient to fix from two sides, and the plate-shaped workpiece is easy to deform due to the fixation from two sides, so that the workpiece is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a positioning fixture for machining center has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a positioning fixture for a machining center comprises a clamping bottom box and a top clamping block, wherein a transmission mechanism is arranged inside the clamping bottom box, side mounting plates are respectively installed on two corresponding sides of the top of the clamping bottom box, a rear baffle is installed at the top of the clamping bottom box and positioned on one side of the two side mounting plates, sliding grooves are respectively formed in one sides, close to each other, of the two side mounting plates, rotating lead screws are respectively and rotatably connected inside the two sliding grooves, sliding blocks are respectively and slidably connected inside the two sliding grooves, the rotating lead screws penetrate through the sliding blocks and are in threaded connection with the sliding blocks, a first buckling plate is installed on one side of the sliding blocks, a second buckling plate is installed on one side of the top clamping block, a first connecting hole is formed in the second buckling plate, a second connecting hole is formed in one side, close to the first buckling plate, of the sliding blocks, the second buckling plate is inserted into the first buckling plate, one side of the first buckling plate, which is far away from the sliding block, is provided with a limiting mechanism.

Preferably, drive mechanism includes interior mounting groove, the inside at the centre gripping under casing is seted up to interior mounting groove, the internal rotation of interior mounting groove is connected with the dwang, the top of interior mounting groove inner wall and the below that is located two rotation lead screws all rotate and are connected with first bevel gear, first bevel gear and rotation lead screw fixed connection, two second bevel gears are installed in the outside of dwang, first bevel gear and second bevel gear meshing, the side install bin is installed to one side of centre gripping under casing, the internally mounted of side install bin has servo motor, servo motor's output penetrate the inside of interior mounting groove and with dwang fixed connection.

Preferably, stop gear includes spacing case, the inside sliding connection of spacing case has the plug-in post, inside the plug-in post inserted first connecting hole and second connecting hole, the outside of plug-in post and the internally mounted who is located spacing case have the limiting plate, the spring has been cup jointed in the plug-in post outside and the activity that is located one side that the second connecting hole was kept away from to the limiting plate.

Preferably, the thread directions of the two rotary screw rods are the same.

Preferably, a control panel is fixedly mounted on one side of the clamping bottom box, and the servo motor is electrically connected with the control panel.

Preferably, a plurality of heat dissipation holes are formed in the outer side of the side mounting box.

The utility model provides a positioning fixture for machining center possesses following beneficial effect:

1. this positioning fixture for machining center through using the fixed positioning fixture in top, can fix and spacing from the top of plate-like work piece, can avoid the work piece to produce the condition emergence of deformation at the in-process of centre gripping, and to plate-like work piece, can make the more stability of centre gripping, compares and uses more conveniently in the positioning fixture of present use.

2. This positioning fixture for machining center through using detachable top clamping piece, can be so that carry out the difference of the work piece of centre gripping as required, selects the top clamping piece of equidimension not and shape, can be suitable for with being connected and fixed of different shape work pieces, make the suitability of this device higher.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the top clamping block of the present invention.

In the figure: 1. clamping the bottom box; 2. an inner mounting groove; 3. rotating the rod; 4. a first bevel gear; 5. a second bevel gear; 6. a side mounting box; 7. a servo motor; 8. a side mounting plate; 9. a sliding groove; 10. rotating the screw rod; 11. a slider; 12. a first buckle-connection plate; 13. a top clamping block; 14. a second fastening and connecting plate; 15. a first connection hole; 16. a limiting box; 17. a second connection hole; 18. inserting the column; 19. a limiting plate; 20. a spring; 21. a control panel; 22. a tailgate.

Detailed Description

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a positioning clamp for a machining center comprises a clamping bottom box 1 and a top clamping block 13, wherein a transmission mechanism is arranged inside the clamping bottom box 1, the transmission mechanism comprises an inner mounting groove 2, the inner mounting groove 2 is formed inside the clamping bottom box 1, a rotating rod 3 is rotatably connected inside the inner mounting groove 2, a first bevel gear 4 is rotatably connected to the top of the inner wall of the inner mounting groove 2 and below two rotating screw rods 10, the first bevel gear 4 is fixedly connected with the rotating screw rods 10, two second bevel gears 5 are mounted on the outer side of the rotating rod 3, the first bevel gear 4 is meshed with the second bevel gears 5, a side mounting box 6 is mounted on one side of the clamping bottom box 1, a plurality of heat dissipation holes are formed in the outer side of the side mounting box 6, the heat dissipation efficiency of a servo motor 7 is improved, a servo motor 7 is mounted inside the side mounting box 6, the output end of the servo motor 7 penetrates into the inner mounting groove 2 and is fixedly connected with the rotating rod 3, the two rotary screw rods 10 can be driven to rotate by a transmission mechanism so as to be convenient for fixing, the two corresponding sides of the top of the clamping bottom box 1 are respectively provided with a side mounting plate 8, the top of the clamping bottom box 1 and one side of the two side mounting plates 8 are provided with a rear baffle 22, one sides of the two side mounting plates 8 close to each other are respectively provided with a sliding groove 9, the insides of the two sliding grooves 9 are respectively and rotatably connected with the rotary screw rods 10, the thread directions of the two rotary screw rods 10 are the same, so that the two sliding blocks 11 can simultaneously descend when the rotary screw rods 10 rotate, the clamping is more stable, the insides of the two sliding grooves 9 are respectively and slidably connected with a sliding block 11, the rotary screw rods 10 penetrate through the sliding blocks 11 and are in threaded connection with the sliding blocks 11, one side of the sliding blocks 11 is provided with a first buckling plate 12, one side of the top clamping block 13 is provided with a second buckling plate 14, and the second buckling plate 14 is provided with a first connecting hole 15, a second connecting hole 17 is formed in one side of the slider 11 close to the first buckling plate 12, the second buckling plate 14 is inserted into the first buckling plate 12, a limiting mechanism is arranged on one side of the first buckling plate 12 far away from the slider 11, the limiting mechanism comprises a limiting box 16, an inserting column 18 is connected to the inside of the limiting box 16 in a sliding manner, the inserting column 18 is inserted into the first connecting hole 15 and the second connecting hole 17, a limiting plate 19 is arranged outside the inserting column 18 and inside the limiting box 16, a spring 20 is movably sleeved on one side of the inserting column 18 and outside the limiting plate 19 far away from the second connecting hole 17, the first buckling plate 12 and the top clamping block 13 are conveniently fixed together, a control panel 21 is fixedly mounted on one side of the clamping bottom box 1, and the servo motor 7 is electrically connected with the control panel 21, the control panel 21 can be directly used for controlling the switch of the servo motor 7, and the use is more convenient.

In summary, when the positioning clamp for the machining center is used, a plate-shaped workpiece to be machined is firstly placed between two side mounting plates 8, then the servo motor 7 can be used to drive the rotating rod 3 to rotate, so as to drive the second bevel gear 5 and the first bevel gear 4 to rotate, and simultaneously drive the rotating screw rod 10 to rotate, so that the sliding block 11 and the top clamping block 13 slowly move downwards and contact with the top of the workpiece to be fixed, when the top clamping block 13 needs to be replaced, the inserting column 18 needs to be pulled outwards, so that the inserting column 18 is pulled out from the first connecting hole 15 and the second connecting hole 17, then the second clamping plate 14 is taken out from the first clamping plate 12, the top clamping block 13 needs to be replaced, the second clamping plate 14 is inserted into the first clamping plate 12 again, the inserting column 18 is loosened, so that the inserting column 18 is inserted into the first connecting hole 15 and the second connecting hole 17 again under the action of the elasticity of the spring 20, and (4) finishing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a positioning fixture for machining center, includes centre gripping under casing (1) and top clamping block (13), its characterized in that: the inner part of the clamping bottom box (1) is provided with a transmission mechanism, the two corresponding sides of the top part of the clamping bottom box (1) are provided with side mounting plates (8), the top part of the clamping bottom box (1) is positioned at one side of the two side mounting plates (8) and is provided with a rear baffle (22), one side of the two side mounting plates (8) close to each other is provided with a sliding groove (9), the inner parts of the two sliding grooves (9) are rotatably connected with a rotating lead screw (10), the inner parts of the two sliding grooves (9) are slidably connected with a sliding block (11), the rotating lead screw (10) penetrates through the sliding block (11) and is in threaded connection with the sliding block (11), one side of the sliding block (11) is provided with a first buckling plate (12), one side of the top clamping block (13) is provided with a second buckling plate (14), the second buckling plate (14) is provided with a first connecting hole (15), a second connecting hole (17) is formed in one side, close to the first buckling plate (12), of the sliding block (11), the second buckling plate (14) is inserted into the first buckling plate (12), and a limiting mechanism is arranged on one side, far away from the sliding block (11), of the first buckling plate (12).

2. The positioning jig for a machining center as set forth in claim 1, wherein: the transmission mechanism comprises an inner mounting groove (2), the inner mounting groove (2) is arranged in the clamping bottom box (1), the inner part of the inner mounting groove (2) is rotatably connected with a rotating rod (3), the top of the inner wall of the inner mounting groove (2) and the lower parts of the two rotating screw rods (10) are both rotatably connected with a first bevel gear (4), the first bevel gear (4) is fixedly connected with a rotating screw rod (10), two second bevel gears (5) are arranged on the outer side of the rotating rod (3), the first bevel gear (4) is meshed with the second bevel gear (5), one side of the clamping bottom box (1) is provided with a side installation box (6), the internally mounted of side install bin (6) has servo motor (7), the output of servo motor (7) penetrate the inside of interior mounting groove (2) and with dwang (3) fixed connection.

3. The positioning jig for a machining center as set forth in claim 1, wherein: stop gear includes spacing case (16), the inside sliding connection of spacing case (16) has plug post (18), plug post (18) insert inside first connecting hole (15) and second connecting hole (17), the internally mounted that the outside of plug post (18) just is located spacing case (16) has limiting plate (19), spring (20) have been cup jointed in the plug post (18) outside and just is located one side activity that limiting plate (19) kept away from second connecting hole (17).

4. The positioning jig for a machining center as set forth in claim 1, wherein: the thread directions of the two rotary screw rods (10) are the same.

5. The positioning jig for a machining center as set forth in claim 2, wherein: one side fixed mounting of centre gripping under casing (1) has control panel (21), servo motor (7) and control panel (21) electric connection.

6. The positioning jig for a machining center as set forth in claim 2, wherein: a plurality of heat dissipation holes are formed in the outer side of the side installation box (6).