CN220881941U - Universal fixture for grinding machine machining - Google Patents

Abstract

The utility model is suitable for the technical field of clamps, and provides a universal clamp for machining a grinding machine.

Description

Universal fixture for grinding machine machining

Technical Field

The utility model relates to the technical field of clamps, in particular to a universal clamp for machining a grinding machine.

Background

The grinding processing of the metal parts is carried out by a grinding machine, the grinding machine grinds the surface of the metal parts by using a grinding wheel rotating at a high speed, and before grinding, the metal parts are fixed on a clamp to realize stable processing and ensure the processing precision.

In the prior art, when a grinding machine is used for machining irregularly-shaped parts, a custom fixture is required to be used for clamping so as to ensure the stability and the machining precision of the irregularly-shaped parts, but the custom fixture can greatly increase the machining cost of the parts, and therefore, the universal fixture for machining the grinding machine is provided at present to meet the requirements of clamping the parts with different shapes and sizes.

Disclosure of utility model

The utility model aims to provide a universal fixture for grinding machine processing, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a universal fixture for grinding machine processing, includes the base, be provided with the plummer through the stand is fixed on the base, a plurality of recesses have been seted up to the bottom surface of plummer, and the plummer top surface corresponds a plurality of recess positions and has seted up the bar hole, it is provided with the screw rod to rotate in the recess, threaded mounting has the swivel nut on the screw rod, the swivel nut slides and sets up in the recess, and fixed mounting has the gag lever post on the swivel nut, the gag lever post slides and is provided with the bar downthehole, still be provided with drive assembly on the base, drive assembly is used for providing power for a plurality of screw rod synchronous rotation, drive assembly includes installation axle, pivot, first gear, second gear, chuck and power unit, the installation axle sets up side by side with the screw rod, and the installation axle passes through spring movable mounting in the recess, and the tip of installation axle still rotates and installs first gear, second gear meshes with first gear to coaxial fixed mounting is on the screw rod, the pivot rotates the lateral wall that sets up on the recess, and the pivot is located tip and the terminal surface of first gear on the first gear and all fixed mounting has the chuck, two on the base is provided with a plurality of spherical power arrays for rotating.

As a further scheme of the utility model: the limiting rods are arranged in an annular array.

As a further scheme of the utility model: the power unit comprises a fluted disc rotatably arranged on the base, a plurality of third gears meshed with the fluted disc and a driving element for driving the fluted disc to rotate, and the third gears are coaxially and fixedly arranged on the rotating shaft.

As a further scheme of the utility model: the limiting rod is arranged on the rod body penetrating the top surface of the bearing table in a penetrating way, and a rubber sleeve is sleeved on the rod body.

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

According to the utility model, the screw rods, the limiting rods, the mounting shafts, the rotating shafts, the first gears, the second gears, the chucks and the power units are arranged, the power units drive the chucks on the end faces of the first gears to approach to the chuck on the rotating shafts under the action of the springs in the process of driving the rotating shafts to rotate, the first gears and the second gears are meshed in the process of alternately clamping the spherical protrusions on the two chucks, so that the plurality of screw rods can be driven to synchronously rotate, the limiting rods are driven to synchronously move towards the axis direction of the bearing table, after one part of the limiting rods is contacted with the side face of a part, the screw rods can not continue to rotate, at this time, when the power units continue to drive the rotating shafts to rotate, the chucks arranged on the rotating shafts idle, until other limiting rods are contacted with the surfaces of the part, stable clamping of the special-shaped part can be realized, the clamp is not required to be customized for the special-shaped part, and the part processing cost is reduced.

Drawings

FIG. 1 is an overall perspective view of a universal fixture for grinding machine tooling;

FIG. 2 is a bottom perspective view of the console of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

In the figure: 1-base, 2-stand, 3-plummer, 4-recess, 5-bar hole, 6-screw rod, 7-swivel nut, 8-gag lever post, 9-installation axle, 10-spring, 11-first gear, 12-pivot, 13-second gear, 14-chuck, 15-globular arch, 16-fluted disc, 17-third gear, 18-rubber sleeve.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Referring to fig. 1-3, a universal fixture for grinding machine processing comprises a base 1, wherein a bearing table 3 is fixedly arranged on the base 1 through a stand column 2, a plurality of grooves 4 are formed in the bottom surface of the bearing table 3, strip-shaped holes 5 are formed in the top surface of the bearing table 3 corresponding to the positions of the plurality of grooves 4, a screw rod 6 is rotationally arranged in the grooves 4, a threaded sleeve 7 is arranged on the screw rod 6 in a threaded manner, the threaded sleeve 7 is slidingly arranged in the grooves 4, a limit rod 8 is fixedly arranged on the threaded sleeve 7, the limit rod 8 is slidingly arranged in the strip-shaped holes 5, a driving assembly is further arranged on the base 1 and used for providing power for synchronous rotation of the plurality of screw rods 6, the driving assembly comprises a mounting shaft 9, a rotating shaft 12, a first gear 11, a second gear 13, a chuck 14 and a power unit, the mounting shaft 9 is arranged in parallel with the screw rod 6, and the mounting shaft 9 is movably arranged in the grooves 4 through a spring 10, the end part of the mounting shaft 9 is also rotatably provided with a first gear 11, the second gear 13 is meshed with the first gear 11 and is coaxially and fixedly arranged on the screw rod 6, the rotating shaft 12 is rotatably arranged on the side wall of the groove 4, the end part of the rotating shaft 12 positioned in the groove 4 and the end surface of the first gear 11 are fixedly provided with chucks 14, the two chucks 14 are respectively provided with a plurality of spherical bulges 15 in an array manner, the power unit is used for providing power for synchronous rotation of the rotating shafts 12, the screw rod 6, the limit rod 8, the mounting shaft 9, the rotating shaft 12, the first gear 11, the second gear 13, the chucks 14 and the power unit are arranged, the power unit drives the chucks 14 on the end surface of the first gear 11 to approach the chuck 14 on the rotating shaft 12 under the action of the spring 10 in the process of driving the rotating shafts 12, in the process of staggered clamping of the spherical protrusions 15 on the two chucks 14, the first gear 11 and the second gear 13 are meshed, so that the plurality of screw rods 6 can be driven to synchronously rotate, the plurality of limit rods 8 are driven to synchronously move towards the axis direction of the bearing table 3, after one part of the limit rods 8 are contacted with the side surfaces of the parts, the screw rods 6 cannot continue to rotate, at the moment, the power unit continuously drives the rotating shaft 12 to rotate, the chucks 14 arranged on the rotating shaft 12 idle, until the other limit rods 8 are contacted with the surfaces of the parts, the special-shaped parts can be stably clamped, the fixture is not required to be customized for the special-shaped parts, and the cost of part machining is reduced.

Wherein, a plurality of limit rods 8 are arranged in an annular array.

Specifically, the power unit comprises a fluted disc 16 rotatably mounted on the base 1, a plurality of third gears 17 meshed with the fluted disc 16 and a driving element (not shown in the figure) for driving the fluted disc 16 to rotate, the third gears 17 are coaxially and fixedly mounted on the rotating shaft 12, specifically, when parts are processed, firstly, the parts are placed on the bearing table 3, then the driving element is controlled to enable the fluted disc 16 to rotate, the rotating shaft 12 on the side wall of the plurality of grooves 4 can be driven to synchronously rotate by meshing with the plurality of third gears 17 in the rotating process of the fluted disc 16, in the process, the mounting shaft 9 drives the chuck 14 on the end surface of the first gear 11 to approach the chuck 14 on the rotating shaft 12 under the action of the spring 10, in the process of staggered clamping of the spherical protrusions 15 on the two chucks 14, the screw 6 can be driven to rotate by meshing of the first gears 11 and the second gears 13, the limit rod 8 on the screw sleeve 7 moves towards the workpiece along the axial direction of the screw 6 and contacts the surface of the workpiece, in the process, part of the limit rod 8 contacted with the workpiece stops moving along the side surface of the screw rod 8, and the limit rod is not contacted with the workpiece 8 until the side surface contacts with the workpiece 6, and the side surface contacts with the workpiece is continuously and stably clamped until the side surface contacts with the workpiece is contacted with the side surface.

In addition, in order to avoid the phenomenon that the side surface of the part is scratched due to the rigid contact between the limiting rod 8 and the side surface of the part, the rod body of the limiting rod 8 penetrating the top surface of the bearing table 3 is also sleeved with a rubber sleeve 18.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (4)

1. The utility model provides a universal fixture for grinding machine processing, includes base (1), its characterized in that, fixedly provided with plummer (3) through stand (2) on base (1), a plurality of recesses (4) have been seted up to the bottom surface of plummer (3), and plummer (3) top surface corresponds a plurality of recess (4) position and has seted up bar hole (5), recess (4) rotation is provided with screw rod (6), screw sleeve (7) are installed to the screw rod (6) upper thread, screw sleeve (7) sliding arrangement is in recess (4), and fixed mounting has gag lever post (8) on screw sleeve (7), gag lever post (8) sliding arrangement is in bar hole (5), still be provided with drive assembly on base (1), drive assembly is used for providing power for a plurality of screw rods (6) synchronous rotation, and drive assembly includes installation axle (9), pivot (12), first gear (11), second gear (13), chuck (14) and power unit, installation axle (9) are set up with screw rod (6) side by side, and install shaft (9) and first gear (11) through installation spring (10) and second gear (11) rotation, still install in first gear (11) tip portion (11), and coaxial fixed mounting is on screw rod (6), pivot (12) rotate and set up on the lateral wall of recess (4), and all fixed mounting has chuck (14) on the tip that pivot (12) are located recess (4) and the terminal surface of first gear (11), two equal array mounting has a plurality of globular protruding (15) on chuck (14), power unit is used for providing power for the synchronous rotation of a plurality of pivots (12).

2. A universal fixture for grinding machine processing according to claim 1, characterized in that a plurality of the limit bars (8) are arranged in an annular array.

3. The universal fixture for grinding machine processing according to claim 1, wherein the power unit comprises a toothed disc (16) rotatably mounted on the base (1), a plurality of third gears (17) meshed with the toothed disc (16), and a driving element for driving the toothed disc (16) to rotate, and the third gears (17) are coaxially and fixedly mounted on the rotating shaft (12).

4. The universal fixture for grinding machine processing according to claim 1, wherein the limiting rod (8) is further sleeved with a rubber sleeve (18) on a rod body penetrating through the top surface of the bearing table (3).