CN204818903U - Novel connection structure of motor and lead screw in digit control machine tool - Google Patents
Novel connection structure of motor and lead screw in digit control machine tool Download PDFInfo
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- CN204818903U CN204818903U CN201520499749.5U CN201520499749U CN204818903U CN 204818903 U CN204818903 U CN 204818903U CN 201520499749 U CN201520499749 U CN 201520499749U CN 204818903 U CN204818903 U CN 204818903U
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- spline
- motor
- screw mandrel
- control machine
- shoulder block
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- 238000007789 sealing Methods 0.000 claims description 22
- 238000010276 construction Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a novel connection structure of motor and lead screw in digit control machine tool belongs to mechanical technical field. It has solved the current motor problem unstable with the transmission of screw connection structure. Among this novel connection structure of motor and lead screw in digit control machine tool, the motor includes motor spindle, the connecting portion of one end for having the external splines of lead screw, connection structure includes connecting portion and overlaps and establish the spline housing on motor spindle, the spline housing includes the spline portion that has the internal spline and is the cylindric portion of cup jointing, motor spindle inserts to inlay and fixes mutually with the portion of cup jointing in the portion of cup jointing and through the welded mode, meshing that connecting portion pass through internal spline and external splines links to each other with spline portion, have on the lateral wall of lead screw and be cyclic annular convex fender shoulder, it fixes with spline portion through a plurality of bolts mutually to keep off the shoulder, it makes both connect sealed seal structure to keep off being equipped with between shoulder and the spline portion. This novel connection structure of motor and lead screw in digit control machine tool has the advantage that can stably transmit power.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of Digit Control Machine Tool, particularly the syndeton of motor and screw mandrel in a kind of Novel numerical control machine.
Background technology
Digit Control Machine Tool is a kind of automated machine tool that program control system is housed, this control system can logically process has control coding or other symbolic instruction regulated procedures, and by its decoding, by the numeral of encode, input numerical control device by information carrier.Send various control signal through calculation process by numerical control device, control the action of lathe, shape and size by drawing, automatically process part.Digit Control Machine Tool solves the part processing problems of complexity, precision, small lot, multi items preferably, is a kind of flexibility, dynamical automated machine tool.
Leading screw on Digit Control Machine Tool and the connection of motor particularly important, the leading screw syndeton [application number: 201420741594.7 of existing syndeton a kind of Digit Control Machine Tool disclosed in Chinese patent storehouse; Authorization Notice No.: CN204277616U], comprise ball-screw and motor reel, described ball-screw is arranged with the first coupling band, described motor reel is arranged with the second coupling band, described first coupling band and the second coupling band are provided with mounting groove, be provided with conical ring and T-shaped trim ring in described mounting groove, described conical ring is provided with T-shaped trim ring, and described first coupling band is connected by connector with the second coupling band; Flexible gasket is provided with between described first coupling band and the second coupling band.But there is a problem in above-mentioned syndeton: owing to there is the first coupling band, the second coupling band and flexible gasket between motor reel and screw mandrel, cause the gap ratio between motor reel and screw mandrel larger, can produce when motor reel drives screw mandrel to rotate and rock, affect screw mandrel stable rotation.
Utility model content
The purpose of this utility model there are the problems referred to above for existing technology, proposes the syndeton of motor and screw mandrel in a kind of Novel numerical control machine, and technical problem to be solved in the utility model how to improve the stability of screw mandrel rotation.
The purpose of this utility model realizes by following technical proposal: the syndeton of motor and screw mandrel in a kind of Novel numerical control machine, described motor comprises electric machine main shaft, it is characterized in that, one end of described screw mandrel is the connecting portion with external splines, syndeton comprises connecting portion and is set in the spline housing on electric machine main shaft, described spline housing comprises the spline part with internal spline and socket part cylindrically, and spline part and socket part are along the axial distribution of spline housing, described electric machine main shaft is inserted and to be embedded in socket part and to be fixed by the mode of welding and socket part, described connecting portion is connected with spline part with the engagement of external splines by internal spline, the sidewall of described screw mandrel has the shoulder block protruded in the form of a ring, described shoulder block reclines mutually with the end face of described spline part, and this shoulder block is fixed by some bolts and described spline part, the hermetically-sealed construction making both connect sealing is provided with between described shoulder block and spline part.
Electric machine main shaft is inserted and is embedded in socket part, makes electric machine main shaft sidewall form comparatively stable connection together with the madial wall tight abutment of socket part; Secondly electric machine main shaft is fixed with socket part by the mode of welding, thus makes electric machine main shaft and socket part form an entirety, the stability that effective raising electric machine main shaft is connected with socket part.Connecting portion is connected with spline part by the engagement of inside and outside spline, to increase the contact area of connecting portion and spline part; Secondly shoulder block reclines with the end face of spline part, mutually to increase the contact area of connecting portion and spline part further; Last shoulder block is fixed by some bolts and spline part, makes connecting portion and spline part stablize and be fixed together securely.To sum up, insert at electric machine main shaft be embedded in socket part, electric machine main shaft is by under mode fixes with socket part, connecting portion is connected with spline part by engaging of interior external splines, the end face of shoulder block and spline part reclines mutually and shoulder block fixes this acting in conjunction by some bolts and spline part of welding, electric machine main shaft and screw mandrel is made to stablize and be fixed together securely, to make this syndeton stable delivery power, screw mandrel is stably rotated.By arrange connecting portion in spline part and electric machine main shaft be positioned at socket part, with effectively reduce connecting portion be connected with electric machine main shaft after length, thus reduce when electric machine main shaft drive screw mandrel rotate time generation rock, thus further increase the stability that syndeton transmits power, thus effectively improve the stability of screw mandrel rotation.The connection between shoulder block and spline part is made to keep sealing by arranging hermetically-sealed construction, thus effectively avoid the impurity such as dust, water to enter into the weight increasing spline housing in spline housing, make this syndeton more stably transmit power, then improve the stability that screw mandrel rotates further.
In above-mentioned Novel numerical control machine motor and screw mandrel syndeton in, the end face that described shoulder block is adjacent with spline housing offers annular groove, described hermetically-sealed construction comprises and is positioned at annular groove and sealing gasket one in the form of a ring, the both ends of the surface of described sealing gasket one respectively with shoulder block and spline part tight abutment.
Under the effect of screw, the both ends of the surface of sealing gasket one form comparatively firm sealing with shoulder block and spline part tight abutment respectively, thus effectively stop the impurity such as water, dust and enter in spline housing, to improve the stability that screw mandrel rotates further.
Alternatively, in above-mentioned Novel numerical control machine motor and screw mandrel syndeton in, the sidewall of described spline part has convex shoulder in the form of a ring, and convex shoulder is coaxial with spline part, described hermetically-sealed construction comprises and to fix with the end face of convex shoulder and sealing gasket two in the form of a ring, and described sealing gasket two offsets with the end face of shoulder block.
In above-mentioned Novel numerical control machine motor and screw mandrel syndeton in, the madial wall of described socket part has tapered spigot surface, and described spigot surface extends on the end face of socket part.
By arranging tapered spigot surface, insert to be embedded in socket part to electric machine main shaft and play good guide effect, make electric machine main shaft smooth and easy and arrive assigned address accurately, to improve the accuracy of follow-up welding, thus the stability that raising electric machine main shaft is connected with spline housing, then improve the stability that screw mandrel rotates further.
Compared with prior art, in this Novel numerical control machine, the syndeton of motor and screw mandrel has the following advantages:
1, electric machine main shaft is inserted and is embedded in socket part, makes electric machine main shaft sidewall form comparatively stable connection together with the madial wall tight abutment of socket part; Secondly electric machine main shaft is fixed with socket part by the mode of welding, thus makes electric machine main shaft and socket part form an entirety, the stability that effective raising electric machine main shaft is connected with socket part.Connecting portion is connected with spline part by the engagement of inside and outside spline, to increase the contact area of connecting portion and spline part; Secondly shoulder block reclines with the end face of spline part, mutually to increase the contact area of connecting portion and spline part further; Last shoulder block is fixed by some bolts and spline part, makes connecting portion and spline part stablize and be fixed together securely.To sum up, insert at electric machine main shaft be embedded in socket part, electric machine main shaft is by under mode fixes with socket part, connecting portion is connected with spline part by engaging of interior external splines, the end face of shoulder block and spline part reclines mutually and shoulder block fixes this acting in conjunction by some bolts and spline part of welding, electric machine main shaft and screw mandrel is made to stablize and be fixed together securely, to make this syndeton stable delivery power, screw mandrel is stably rotated.
2, by arrange connecting portion in spline part and electric machine main shaft be positioned at socket part, with effectively reduce connecting portion be connected with electric machine main shaft after length, thus reduce when electric machine main shaft drive screw mandrel rotate time generation rock, thus further increase the stability that syndeton transmits power, thus effectively improve the stability of screw mandrel rotation.
3, the connection between connecting portion and spline part is made to keep sealing by arranging hermetically-sealed construction, thus effectively avoid the impurity such as dust, water to enter into the weight increasing spline housing in spline housing, make this syndeton more stably transmit power, then improve the stability that screw mandrel rotates further.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is sectional structure schematic diagram of the present utility model.
In figure, 1, electric machine main shaft; 2, screw mandrel; 2a, connecting portion; 2b, shoulder block; 3, spline housing; 3a, spline part; 3b, socket part; 3b1, spigot surface; 4, bolt; 5, sealing gasket one.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, in this Novel numerical control machine motor and screw mandrel syndeton in, motor comprises electric machine main shaft 1, and one end of screw mandrel 2 is the connecting portion 2a with external splines.This syndeton comprises connecting portion 2a and is set in the spline housing 3 on electric machine main shaft 1.
Wherein, as shown in Figure 2, spline housing 3 comprises the spline part 3a with internal spline and socket part 3b cylindrically, and spline part 3a and socket part 3b is along the axial distribution of spline housing 3.Electric machine main shaft 1 is inserted and is embedded in the 3b of socket part, makes the sidewall of this electric machine main shaft 1 form comparatively stable connection together with the madial wall tight abutment of socket part 3b.In the present embodiment, electric machine main shaft 1 is fixed by the mode of welding and socket part 3b, thus makes electric machine main shaft 1 and socket part 3b form an entirety.
Connecting portion 2a is connected with spline part 3a with the engagement of external splines by internal spline.The sidewall of screw mandrel 2 has the shoulder block 2b protruded in the form of a ring, shoulder block 2b reclines mutually with the end face of spline part 3a, and this shoulder block 2b is fixed with spline part 3a by some bolts 4.The hermetically-sealed construction making both connect sealing is provided with between shoulder block 2b and spline part 3a.In the present embodiment, the end face that shoulder block 2b is adjacent with spline housing 3 offers annular groove, hermetically-sealed construction comprises and is positioned at annular groove and sealing gasket 1 in the form of a ring, the both ends of the surface of sealing gasket 1 respectively with shoulder block 2b and spline part 3a tight abutment.Under the effect of screw, the two ends of sealing gasket 1 form comparatively firm sealing with shoulder block 2b and spline part 3a tight abutment respectively, thus effectively stop the impurity such as water, dust and enter in spline housing 3, to improve the stability that screw mandrel 2 rotates further.
Further illustrate, the madial wall of socket part 3b has tapered spigot surface 3b1, and spigot surface 3b1 extends on the end face of socket part 3b, good guide effect is played to insert to be embedded in the 3b of socket part to electric machine main shaft 1, make electric machine main shaft 1 smooth and easy and arrive assigned address accurately, to improve the accuracy of follow-up welding, thus the stability that raising electric machine main shaft 1 is connected with spline housing 3, then improve the stability that screw mandrel 2 rotates further.
Embodiment two
The present embodiment two with the structure of embodiment one and principle substantially identical, different place is: the sidewall of spline part 3a has convex shoulder in the form of a ring, and convex shoulder is coaxial with spline part 3a, hermetically-sealed construction comprises and to fix with the end face of convex shoulder and sealing gasket two in the form of a ring, and sealing gasket two offsets with the end face of shoulder block 2b.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (4)
1. the syndeton of motor and screw mandrel in a Novel numerical control machine, described motor comprises electric machine main shaft, it is characterized in that, one end of described screw mandrel is the connecting portion with external splines, syndeton comprises connecting portion and is set in the spline housing on electric machine main shaft, described spline housing comprises the spline part with internal spline and socket part cylindrically, and spline part and socket part are along the axial distribution of spline housing, described electric machine main shaft is inserted and to be embedded in socket part and to be fixed by the mode of welding and socket part, described connecting portion is connected with spline part with the engagement of external splines by internal spline, the sidewall of described screw mandrel has the shoulder block protruded in the form of a ring, described shoulder block reclines mutually with the end face of described spline part, and this shoulder block is fixed by some bolts and described spline part, the hermetically-sealed construction making both connect sealing is provided with between described shoulder block and spline part.
2. the syndeton of motor and screw mandrel in Novel numerical control machine according to claim 1, it is characterized in that, the end face that described shoulder block is adjacent with spline housing offers annular groove, described hermetically-sealed construction comprises and is positioned at annular groove and sealing gasket one in the form of a ring, the both ends of the surface of described sealing gasket one respectively with shoulder block and spline part tight abutment.
3. the syndeton of motor and screw mandrel in Novel numerical control machine according to claim 1, it is characterized in that, the sidewall of described spline part has convex shoulder in the form of a ring, and convex shoulder is coaxial with spline part, described hermetically-sealed construction comprises and to fix with the end face of convex shoulder and sealing gasket two in the form of a ring, and described sealing gasket two offsets with the end face of shoulder block.
4. the syndeton of motor and screw mandrel in Novel numerical control machine according to claim 1, it is characterized in that the madial wall of described socket part has tapered spigot surface, and described spigot surface extends on the end face of socket part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520499749.5U CN204818903U (en) | 2015-07-09 | 2015-07-09 | Novel connection structure of motor and lead screw in digit control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520499749.5U CN204818903U (en) | 2015-07-09 | 2015-07-09 | Novel connection structure of motor and lead screw in digit control machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN204818903U true CN204818903U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520499749.5U Expired - Fee Related CN204818903U (en) | 2015-07-09 | 2015-07-09 | Novel connection structure of motor and lead screw in digit control machine tool |
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| Country | Link |
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| CN (1) | CN204818903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259904A (en) * | 2019-06-20 | 2019-09-20 | 深圳市世椿智能装备股份有限公司 | A kind of internal spline lead screw |
| CN110747928A (en) * | 2019-11-15 | 2020-02-04 | 徐州菲诺特德机械设备有限公司 | Excavator cockpit protector |
-
2015
- 2015-07-09 CN CN201520499749.5U patent/CN204818903U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259904A (en) * | 2019-06-20 | 2019-09-20 | 深圳市世椿智能装备股份有限公司 | A kind of internal spline lead screw |
| CN110259904B (en) * | 2019-06-20 | 2024-06-07 | 深圳市世椿智能装备股份有限公司 | Internal spline screw |
| CN110747928A (en) * | 2019-11-15 | 2020-02-04 | 徐州菲诺特德机械设备有限公司 | Excavator cockpit protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Chaojun Inventor before: Guo Jiachuan |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170427 Address after: 523856 Guangdong City, Changan Province, the town of the first community Chung Feng Road, No. 22-2 Patentee after: Dongguan Taiwan Association Machinery Co., Ltd. Address before: 317503 Wenling City, Taizhou province Binhai Town, the convergence of the village Patentee before: Guo Jiachuan |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180709 |