CN221582958U - Universal CNC processing connecting device and processing equipment - Google Patents
Universal CNC processing connecting device and processing equipment Download PDFInfo
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- CN221582958U CN221582958U CN202420095044.6U CN202420095044U CN221582958U CN 221582958 U CN221582958 U CN 221582958U CN 202420095044 U CN202420095044 U CN 202420095044U CN 221582958 U CN221582958 U CN 221582958U
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- 238000012545 processing Methods 0.000 title claims abstract description 33
- 238000003754 machining Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 238000013461 design Methods 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
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- 238000007792 addition Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The utility model provides a universal CNC processing connecting device and processing equipment, which comprises a four-shaft, a jig and a shaft sleeve, wherein the four-shaft is provided with a connecting hole, the jig is provided with a mounting hole, at least one end of the shaft sleeve is provided with a conical guide-in part, the large diameter end of the conical guide-in part faces the inner side of the shaft sleeve, the small diameter end of the conical guide-in part faces the outer side of the shaft sleeve, the conical guide-in part at least penetrates through the connecting hole, and the conical wall surface of the conical guide-in part and the orifice of the connecting hole form interference fit. The device realizes universal matching by arranging the shaft sleeve with the conical leading-in part and utilizing the diameter structural characteristic of conical continuous change. The connecting device can be well matched even if the shaft diameter error exists, and the matching performance between the components is improved. Through the design of the conical leading-in part, the problem of positive errors or negative errors possibly occurring between the shaft sleeve with the equal-diameter structure and four shafts or jigs of connecting holes or mounting holes with different sizes is solved, and therefore the problem of fit clearance or insertion is avoided.
Description
Technical Field
The utility model belongs to the technical field of machinery, and relates to a connecting guide sleeve, in particular to a universal CNC processing connecting device and processing equipment.
Background
With the continuous development of mobile terminal technology, the application of electronic devices such as smart phones, palm computers, smart watches and the like is very popular, and becomes an important component in the work and life of people, the shell of the electronic device usually adopts a metal middle frame structure, and the metal middle frame structure has the advantages of wear resistance and easy heat dissipation, and meanwhile, the product can leave a high-end impression for users.
The metal middle frame is required to be CNC machined, the diameters of connecting holes of the rotating shaft centers are different due to the fact that the four-axis machine is different in brands and models, scratches or knocks appear at the inner wall of an interface which is formed by multiple times of erection of products, a shaft sleeve cannot be installed under normal operation, the interface is seriously damaged due to violent installation, the shaft sleeve is more likely to be eccentric, and accordingly rotation transmission is not sufficient, and machining accidents are caused.
For example, chinese patent document 201720428658.1 discloses a multi-axis rotary working device of a processing machine, which includes a fourth axis rotary mechanism having a first drive source in a first base thereof, the first drive source being coupled to drive a first spindle by a first speed reducer, and a fifth axis rotary mechanism having a second base coupled to the first spindle, a second drive source in the second base, the second drive source being coupled to drive a second spindle for mounting a workpiece by a second speed reducer, the second spindle intersecting an axis of the first spindle, and being capable of indexing the workpiece about an intersection point of the axes of the first spindle and the second spindle; therefore, by utilizing the connection driving mode of the first speed reducer and the second speed reducer, the fourth and the fifth rotating mechanisms can be ensured to output enough torsion so as to accurately drive the workpiece to conduct indexing rotation, and the practical benefits of improving the processing precision and saving the equipment cost are achieved.
The technical scheme is that the shaft bodies with equal diameters are connected, so that the shaft bodies can only be matched and installed with the fixed connecting aperture, and after the matched parts are worn, the original matching precision cannot be achieved, and the follow-up rotary machining is affected.
Disclosure of utility model
The utility model aims to solve the problems in the prior art and provides a universal CNC processing connecting device and processing equipment.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a general CNC processing connecting device, includes four axles, tool and axle sleeve, the four axles have the connecting hole, the tool has the mounting hole, the at least one end of axle sleeve has the toper portion of leading-in, the big footpath end of toper portion of leading-in is towards the inboard of axle sleeve, the path end of toper portion of leading-in is towards the outside of axle sleeve, toper portion of leading-in cross-under at least the connecting hole, the toper wall of toper portion of leading-in with the drill way of connecting hole forms interference fit.
In the general CNC processing connecting device, the shaft sleeve is provided with a sleeve body, and a through hole is formed in the middle of the sleeve body.
In the general CNC processing connecting device, one end of the shaft sleeve is the conical leading-in part, the other end of the shaft sleeve is a straight cylinder, the conical leading-in part is connected with the connecting hole of the four shafts in a penetrating way, and the straight cylinder is connected with the mounting hole of the jig in a penetrating way.
In the general CNC machining connection device, an inclined chamfer is arranged on the periphery of the port of the straight cylinder.
In the general CNC processing connecting device, the two ends of the shaft sleeve are the conical leading-in parts, the two ends of the conical leading-in parts are reversely arranged, one end of the conical leading-in parts are connected with the connecting holes of the four shafts in a penetrating way, and the other end of the conical leading-in parts are connected with the mounting holes of the jig in a penetrating way.
In the above general CNC processing connection device, the taper-shaped lead-in parts at the two ends are connected by a straight tube.
In the general CNC machining connection device, the straight cylinder is provided with a circumferential outer wall, and planes are oppositely arranged on the circumferential outer wall.
In the general CNC processing connecting device, the jig is provided with a supporting frame, the side wall of the supporting frame is provided with the mounting hole, and the top surface of the supporting frame is provided with the clamping table.
A processing device comprises the universal CNC processing connecting device.
Compared with the prior art, the universal CNC processing connecting device and the processing equipment have the following beneficial effects:
1. The applicability is wide: because the four shafts or the jigs of different models have the difference of the sizes of the connecting holes or the mounting holes, the device realizes universal matching by arranging the shaft sleeve with the conical leading-in part and utilizing the diameter structural characteristics of conical continuous change. This ensures that the connection device fits well, improving the fit between the components, even in the presence of shaft diameter errors.
2. Avoid fit clearance or cartridge problems: through the design of the conical leading-in part, the problem of positive errors or negative errors possibly occurring between the shaft sleeve with the equal-diameter structure and four shafts or jigs of connecting holes or mounting holes with different sizes is solved, and therefore the problem of fit clearance or insertion is avoided.
3. A plurality of matching schemes: through the setting of the toper leading-in portion of different schemes, according to the characteristics of the mounting hole of tool and four connecting holes, can select single or a plurality of toper leading-in portion to realize general or fixed cooperation. This flexibility increases the range of application and versatility of the connection device.
4. Anti-friction interference design: when two tapered lead-in portions are present, they are connected by a straight tube, ensuring an appropriate interval, thereby avoiding the problem of frictional interference that may occur in the rotational drive, and improving the stability and durability of the connection device.
This general CNC processing connecting device has solved the cooperation problem between the different model subassemblies through ingenious structural design and cooperation scheme effectively, has expanded application range, has improved reliability and the precision of processing connection to have apparent beneficial effect in practical application.
Drawings
Fig. 1 is a plan view of a shaft sleeve in the universal CNC machining connection device.
Fig. 2 is a perspective view of a first shaft sleeve in the universal CNC machining connection device.
Fig. 3 is a second perspective view of the sleeve in the universal CNC machining connection device.
In the figure, 1, a taper-shaped introducing part; 2. a straight cylinder; 3. chamfering the inclined plane; 4. a plane; 5. and a through hole.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 to 3, the universal CNC processing connecting device comprises a four-axis, a jig and a shaft sleeve, wherein the four-axis is provided with a connecting hole, the jig is provided with a mounting hole, at least one end of the shaft sleeve is provided with a conical lead-in part 1, the large diameter end of the conical lead-in part 1 faces the inner side of the shaft sleeve, the small diameter end of the conical lead-in part 1 faces the outer side of the shaft sleeve, the conical lead-in part 1 at least penetrates through the connecting hole, and the conical wall surface of the conical lead-in part 1 and the orifice of the connecting hole form interference fit.
Because of the four shafts or jigs of different types, the sizes of the connecting holes or mounting holes are slightly different, so that the shaft sleeve with the equal-diameter structure is matched with the connecting holes or the mounting holes, and the fit clearance is generated due to the positive error of the diameters of the connecting holes or the mounting holes, or the situation that the connecting holes or the mounting holes cannot be inserted due to the negative error of the diameters of the connecting holes or the mounting holes, the unmatched parts cannot be well connected, the subsequent transmission rate is reduced or the transmission is invalid, and the machining accidents are easy to occur.
As shown in fig. 2 to 3, the sleeve has a sleeve body, and a through hole 5 is formed in the middle of the sleeve body.
As shown in fig. 1 to 3, one end of the shaft sleeve is a conical guide-in part 1, the other end is a straight cylinder 2, the conical guide-in part 1 is connected with a four-shaft connecting hole in a penetrating way, and the straight cylinder 2 is connected with a mounting hole of the jig in a penetrating way.
In the scheme, when the mounting hole of the jig is a fixed aperture and the connecting hole of the four shafts is an unfixed aperture, only one conical guide-in part 1 is arranged, the conical guide-in part 1 and the connecting hole of the four shafts are inserted into each other to form a universal fit, and the straight cylinder 2 and the mounting hole of the jig are inserted into each other to form a fixed fit.
The periphery of the port of the straight cylinder 2 is provided with an inclined chamfer 3. The outer port diameter of the straight cylinder 2 is reduced by processing the bevel chamfer 3, thereby facilitating quick insertion.
The straight cylinder 2 is provided with a circumferential outer wall, and the circumferential outer wall is provided with opposite plane surfaces 4.
The jig is provided with a support frame, a mounting hole is formed in the side wall of the support frame, and a clamping table is arranged on the top surface of the support frame.
Example two
This embodiment is basically the same as the second embodiment, except that:
The two ends of the shaft sleeve are tapered leading-in parts 1, the tapered leading-in parts 1 at the two ends are reversely arranged, the tapered leading-in part 1 at one end is connected with the connecting hole of the four shafts in a penetrating way, and the tapered leading-in part 1 at the other end is connected with the mounting hole of the jig in a penetrating way.
In another scheme, when the mounting hole of the jig is a non-fixed aperture and the connecting hole of the four shafts is a non-fixed aperture, two taper leading-in parts 1 are arranged together, one taper leading-in part 1 and the connecting hole of the four shafts are inserted to form general fit, and the other taper leading-in part 1 and the mounting hole of the jig are inserted to form general fit.
The two conical leading-in parts 1 are connected through a straight cylinder 2. The conical leading-in parts 1 on two sides are separated at proper intervals by adopting the straight cylinder 2, so that the assembly gap between the four shafts and the jig after the four shafts are inserted is ensured, and the friction interference of rotation driving is avoided.
Example III
Based on the first and second embodiments, the present embodiment is different in that:
A processing device comprises the universal CNC processing connecting device.
Compared with the prior art, the universal CNC processing connecting device and the processing equipment have the following beneficial effects:
1. The applicability is wide: because the four shafts or the jigs of different models have the difference of the sizes of the connecting holes or the mounting holes, the device realizes universal matching by arranging the shaft sleeve with the conical leading-in part and utilizing the diameter structural characteristics of conical continuous change. This ensures that the connection device fits well, improving the fit between the components, even in the presence of shaft diameter errors.
2. Avoid fit clearance or cartridge problems: through the design of the conical leading-in part, the problem of positive errors or negative errors possibly occurring between the shaft sleeve with the equal-diameter structure and four shafts or jigs of connecting holes or mounting holes with different sizes is solved, and therefore the problem of fit clearance or insertion is avoided.
3. A plurality of matching schemes: through the setting of the toper leading-in portion of different schemes, according to the characteristics of the mounting hole of tool and four connecting holes, can select single or a plurality of toper leading-in portion to realize general or fixed cooperation. This flexibility increases the range of application and versatility of the connection device.
4. Anti-friction interference design: when two tapered lead-in portions are present, they are connected by a straight tube, ensuring an appropriate interval, thereby avoiding the problem of frictional interference that may occur in the rotational drive, and improving the stability and durability of the connection device.
This general CNC processing connecting device has solved the cooperation problem between the different model subassemblies through ingenious structural design and cooperation scheme effectively, has expanded application range, has improved reliability and the precision of processing connection to have apparent beneficial effect in practical application.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined. While the utility model has been illustrated and described in detail in the drawings and foregoing description, such illustration and description are to be considered illustrative or exemplary and not restrictive. It is to be understood that changes and modifications may be made by one of ordinary skill within the scope of the following claims. In particular, the utility model encompasses further embodiments having any combination of features from the different embodiments described above. To the extent that the expression "general" or "substantially" is used, this patent application should be construed as disclosing that such features and values are equally well satisfied, i.e., that none of the foregoing features are characterized as "general" or "substantially".
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (9)
1. The utility model provides a general CNC processing connecting device, includes four axles, tool and axle sleeve, its characterized in that, the four axles have the connecting hole, the tool has the mounting hole, the at least one end of axle sleeve has toper leading-in portion, the big footpath end of toper leading-in portion is towards the inboard of axle sleeve, the path end of toper leading-in portion is towards the outside of axle sleeve, toper leading-in portion at least cross-under the connecting hole, the toper wall of toper leading-in portion with the drill way of connecting hole forms interference fit.
2. The universal CNC machining connection of claim 1, wherein the sleeve has a sleeve body with a through hole formed in a middle portion thereof.
3. The universal CNC machining connection device according to claim 2, wherein one end of the sleeve is the tapered lead-in portion, the other end is a straight tube, the tapered lead-in portion is connected to the four-axis connection hole in a penetrating manner, and the straight tube is connected to the fixture mounting hole in a penetrating manner.
4. The universal CNC machining connection of claim 3, wherein the periphery of the port of the straight barrel is provided with a beveled chamfer.
5. The universal CNC machining connection device according to claim 2, wherein the two ends of the shaft sleeve are the tapered lead-in parts, the tapered lead-in parts at the two ends are arranged reversely, one end of the tapered lead-in part is connected with the four-shaft connecting hole in a penetrating way, and the other end of the tapered lead-in part is connected with the mounting hole of the jig in a penetrating way.
6. The universal CNC machining connection of claim 3, wherein the tapered lead-ins at the two ends are connected by a straight tube.
7. The universal CNC machining connection of claim 3 or 6, wherein the straight barrel has a circumferential outer wall with oppositely disposed flats.
8. The universal CNC machining connection device of claim 1, wherein the jig has a support frame, the mounting holes are formed in the side walls of the support frame, and a clamping table is provided on the top surface of the support frame.
9. A machining apparatus comprising a universal CNC machining connection according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095044.6U CN221582958U (en) | 2024-01-15 | 2024-01-15 | Universal CNC processing connecting device and processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095044.6U CN221582958U (en) | 2024-01-15 | 2024-01-15 | Universal CNC processing connecting device and processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221582958U true CN221582958U (en) | 2024-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420095044.6U Active CN221582958U (en) | 2024-01-15 | 2024-01-15 | Universal CNC processing connecting device and processing equipment |
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| CN (1) | CN221582958U (en) |
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- 2024-01-15 CN CN202420095044.6U patent/CN221582958U/en active Active
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