CN217107895U - Coupling for machining tool - Google Patents

Abstract

The utility model relates to an automation equipment technical field especially relates to a shaft coupling for machine tool, including the switching body, stop device and enclasping device, stop device is the same with enclasping device's structure, stop device and enclasping device are connected respectively at the both ends of controlling of the switching body, stop device is including pressing from both sides tight dish A, flange cover A and diaphragm group A, there is the motor shaft at the internally mounted who presss from both sides tight dish A, flange cover A cover is established in the one side that presss from both sides tight dish A, diaphragm group A fixed connection sets up at the opposite side that presss from both sides tight dish A, flange cover A is through a plurality of hexagon head bolts and presss from both sides tight dish A reciprocal anchorage, flange cover A and the tight dish A conical surface of clamp mutually support and make the motor shaft locking. The utility model discloses can realize spacing and holding tightly motor shaft, load axle through stop device and holding device for the shaft coupling axial has the limiting displacement effect when equipment operation, has improved the reliability and the security of equipment operation.

Description

Coupling for machining tool

Technical Field

The utility model relates to an automation equipment technical field especially relates to a shaft coupling for machine tool.

Background

At present, the gantry machine tool is used as heavy-duty machining mechanical equipment, and the technical development is gradually mature. The gantry machine tool has the characteristics of high self rigidity, large processing range and high heavy cutting processing precision. With the continuous development of the field of national machine tools, the market demand of the gantry machine tool is expanded year by year, and the common coupler for the gantry machine tool needs to have the characteristics of high rigidity and long service life due to large equipment load mass; a coupler which is long in distance and can be vertically installed is required to be transmitted between a power device and a Z-axis load device of the gantry machine tool.

The utility model discloses a numerical control gantry machine tool is disclosed in patent number CN 201820244818.1's utility model patent, including aircraft nose, base and longmen, install ball screw on the base, and base surface both sides integrated into one piece fixedly connected with base slip track, base ball screw on threaded connection have a connecting block, and base ball screw passes through the shaft coupling and is driven by the base motor, the shaft coupling adopts no tooth clearance elastic coupling, fixedly connected with workstation on the connecting block, and workstation both ends and base slip track sliding connection, motor drive base ball screw rotates, the connecting block drives the workstation and moves epaxial.

However, the gantry machine tool disclosed in the above prior art is affected by the weight of the coupler itself, and after the gantry machine tool is used for a period of time, the coupler tends to move in the direction of gravity, and the clamping portion of the coupler is at risk of being separated from the shaft, which affects the normal operation of the machine.

There is therefore a need for a coupling for a processing machine that solves the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shaft coupling for machine tool, the utility model discloses can realize spacing and holding tightly motor shaft, load axle through stop device and holding device for the shaft coupling axial has a limiting displacement when equipment operation, has improved the reliability and the security of equipment operation.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a shaft coupling for a processing machine tool comprises an adapter body, a limiting device and a holding device, wherein the limiting device and the holding device are identical in structure and are respectively connected to the left end and the right end of the adapter body;

the clamping device comprises a clamping disc B, a flange sleeve B and a diaphragm group B, a load shaft is arranged in the clamping disc B, the flange sleeve B is sleeved on one side of the clamping disc B, the diaphragm group B is fixedly connected with the other side of the clamping disc B, and the flange sleeve B is mutually fixed with the clamping disc B through a plurality of hexagon head bolts.

Further, the clamping disc A is fixed with the membrane group A through a plurality of hexagon head reaming hole bolts, and the clamping disc B is fixed with the membrane group B through a plurality of hexagon head reaming hole bolts.

Further, diaphragm group A is the same with diaphragm group B's structure, and diaphragm group A is including diaphragm, auto-lock bush and riveting bush, auto-lock bush set up respectively in the left and right both sides of diaphragm, are provided with the extension bush in the one end of riveting bush, hexagonal head ream hole bolt run through clamping disk A, auto-lock bush and extend behind the bush and lock each other with hexagonal lock nut one by one.

The utility model has the advantages that: the utility model provides a shaft coupling for machine tool, the utility model has the advantages of it is following:

the utility model discloses both ends are connected with stop device and enclasping device respectively about the switching body, and stop device is the same with the structure of enclasping device, and flange cover A among the stop device can be through a plurality of hexagon head bolts and press from both sides tight dish A reciprocal anchorage, and flange cover A and press from both sides tight dish A conical surface and mutually support and make motor shaft locking, the utility model provides a flange cover B among the enclasping device through a plurality of hexagon head bolts and press from both sides tight dish B reciprocal anchorage, flange cover B and press from both sides tight dish B conical surface and mutually support and make load shaft locking, the utility model discloses can realize spacing and enclasping to motor shaft, load shaft through above-mentioned stop device and enclasping device for the shaft coupling axial has the limiting displacement when equipment operation, has improved the reliability and the security of equipment operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 diagram of the explosion structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

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

fig. 4 is a schematic structural view of a clamping plate B of the present invention;

wherein:

1. a hexagon head bolt; 2. A flange sleeve A; 3. A clamping disc A;

4. a switching body; 5. Reaming a hole bolt by using a hexagon head; 6. A hexagonal lock nut;

7. a clamping disc B; 8. A flange sleeve B; 9. A load shaft;

10. a self-locking bushing; 11. A membrane; 12. Riveting a bushing;

13. lengthening the shaft bushing; 14. A motor shaft; 15. A membrane group A;

16. and a membrane group B.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

fig. 1 is an explosion structure schematic diagram of the present invention, fig. 2 is a sectional structure schematic diagram of the present invention, fig. 3 is a main view structure schematic diagram of the present invention, fig. 4 is a structure schematic diagram of a middle clamping disc B7 of the present invention, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a shaft coupling for a processing machine tool comprises an adapter 4, a limiting device and a clasping device, the limiting device and the clasping device have the same structure, and the limiting device and the clasping device are respectively connected to the left and right ends of the adapter 4;

the utility model provides a stop device is including pressing from both sides tight dish A3, flange cover A2 and diaphragm group A15, there is motor shaft 14 at the internally mounted who presss from both sides tight dish A3, flange cover A2 cover is established in the one side of pressing from both sides tight dish A3, diaphragm group A15 fixed connection sets up the opposite side at clamping dish A3, flange cover A2 is through a plurality of hex head bolts 1 and clamping dish A3 reciprocal anchorage, flange cover A2 and clamping dish A3 conical surface mutually support and make motor shaft 14 lock, clamping dish A3 has the spacing effect of axial, clamping dish A3 hole bottom surface and motor shaft 14's axle head face cooperation location simultaneously, can effectively prevent shaft coupling moving's trend;

the clasping device comprises a clamping disc B7, a flange sleeve B8 and a membrane group B16, a load shaft 9 is installed inside the clamping disc B7, the flange sleeve B8 is sleeved on one side of a clamping disc B7, the membrane group B16 is fixedly connected and arranged on the other side of the clamping disc B7, the flange sleeve B8 is mutually fixed with the clamping disc B7 through a plurality of hexagon head bolts 1, and the flange sleeve B8 is mutually matched with the conical surface of the clamping disc B7 to lock the load shaft 9;

the utility model provides a diaphragm group A15 is the same with diaphragm group B16's structure, diaphragm group A15, diaphragm group B16 is by auto-lock bush 10, diaphragm 11 takes tenon fourth of twelve earthly branches technology with riveting bush 12 to constitute, riveting bush 12, auto-lock bush 10 sets up respectively in the left and right both sides of diaphragm 11, one end at riveting bush 12 is provided with extension bush 13, hexagonal head hinge system hole bolt 5 runs through clamping disk A3 one by one, lock each other with 1 type full metal hexagonal lock nut 6 behind auto-lock bush 10 and the extension bush 13.

The working principle is as follows: the utility model adopts the limiting device and the holding device to limit and hold the motor shaft 14 and the load shaft 9 respectively, the utility model can limit the axial displacement of the shaft coupling through the clamping disk A3 and the flange sleeve A2, the flange sleeve A2 is arranged at the outer side of the clamping disk, the motor shaft 14 can be locked by matching the flange sleeve A2 with the conical surface of the clamping disk A3 through locking a plurality of hexagon head bolts 1, the riveting bushing 12 and the self-locking bushing 10 in the utility model are arranged at both sides of the diaphragm 11, the diaphragm group A15 and the diaphragm group B16 are combined by adopting the tenon-and-mortise process, the three hexagon head hinged hole bolts 5 pass through the clamping disk A3, the self-locking bushing 10 and the lengthened bushing 13 one by one and are locked with the hexagon locking nut 6, the other three hexagon head hinged hole bolts 5 pass through the adapter 4, the self-locking bushing 10 and the lengthened bushing 13 one by one and are locked with the hexagon locking nut 6, so as to achieve the flexible connection of the adapter 4 and the clamping disk A3, the distances between the clamping disk A3 and the diaphragm group a15 and between the clamping disk B7 and the diaphragm group B16 are the thickness of the riveted bushing 12, so that the motor shaft 14 and the load shaft 9 have eccentricity and deflection angles within an allowable range.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (3)

1. A shaft coupling for a processing machine tool comprises a switching body (4), a limiting device and a holding device, wherein the limiting device and the holding device have the same structure, and are respectively connected to the left end and the right end of the switching body (4);

the method is characterized in that: the limiting device comprises a clamping disc A (3), a flange sleeve A (2) and a diaphragm group A (15), a motor shaft (14) is installed inside the clamping disc A (3), the flange sleeve A (2) is sleeved on one side of the clamping disc A (3), the diaphragm group A (15) is fixedly connected and arranged on the other side of the clamping disc A (3), and the flange sleeve A (2) is fixed with the clamping disc A (3) through a plurality of hexagon head bolts (1);

the holding device comprises a clamping disc B (7), a flange sleeve B (8) and a diaphragm group B (16), a load shaft (9) is arranged inside the clamping disc B (7), the flange sleeve B (8) is sleeved on one side of the clamping disc B (7), the diaphragm group B (16) is fixedly connected to the other side of the clamping disc B (7), and the flange sleeve B (8) is mutually fixed with the clamping disc B (7) through a plurality of hexagon head bolts (1).

2. A coupling for a processing machine tool according to claim 1, characterized in that: the clamping disc A (3) is fixed with the membrane group A (15) through a plurality of hexagon-head reamed hole bolts (5), and the clamping disc B (7) is fixed with the membrane group B (16) through a plurality of hexagon-head reamed hole bolts (5).

3. A coupling for a processing machine tool according to claim 2, characterized in that: the structure of diaphragm group A (15) and diaphragm group B (16) is the same, and diaphragm group A (15) sets up respectively in the left and right both sides of diaphragm (11) including diaphragm (11), auto-lock bush (10) and riveting bush (12), auto-lock bush (10), is provided with extension bush (13) in the one end of riveting bush (12), hexagonal head hinge hole bolt (5) run through behind clamping disk A (3), auto-lock bush (10) and extension bush (13) each other with hexagonal lock nut (6) and lock gradually.

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