CN212095196U - Matrix type large-guiding-range multi-head ball screw nut and screw nut locking clamp - Google Patents
Matrix type large-guiding-range multi-head ball screw nut and screw nut locking clamp Download PDFInfo
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- CN212095196U CN212095196U CN202020566710.1U CN202020566710U CN212095196U CN 212095196 U CN212095196 U CN 212095196U CN 202020566710 U CN202020566710 U CN 202020566710U CN 212095196 U CN212095196 U CN 212095196U
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Abstract
The utility model relates to a big guide distance bull ball screw nut of matrix, screw nut monomer A and screw nut monomer B are two and revolve to the screw nut of opposite flange type, detachable installs internal spline housing A and location internal spline housing B respectively at the both ends of outer tube, be provided with on screw nut monomer A's the ring flange outer wall with location internal spline housing A matched with location with external splines A, be provided with on screw nut monomer B's the ring flange outer wall with location with internal spline housing B matched with location with external splines B. The utility model also provides a screw-nut locking clamp. The utility model discloses following beneficial effect has: the flange plates of the lead screw nut monomer A and the lead screw nut monomer B are not necessarily attached to the end face of the outer sleeve, the processing precision of the total length of the outer sleeve is reduced, and the connection is more convenient. The parallel four-bar structure is adopted, the clamping force is larger, the output force is horizontal, and the tubular workpiece can be stably locked.
Description
Technical Field
The utility model relates to a big guide stroke bull ball nut of matrix and screw-nut locking clamp belongs to the vice technical field of ball nut.
Background
The ball screw consists of a screw rod, a nut, a steel ball, a preforming piece, a reverser and a dust remover. Its function is to convert the rotary motion into linear motion, and it is widely used in various industrial equipments and precision instruments.
The nut is divided into a single nut and a double nut, the load borne by the common single nut is not large due to the double nut, the service life of the common single nut is long due to the fact that the double nut is not used, and the common single nut is widely used in many fields. However, the existing double-nut connection mode is complex, and high machining precision is required to enable two single nuts to be tightly installed together.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: in order to solve one of the problems, a matrix type large-guiding-range multi-head ball screw nut and a screw nut locking clamp are provided.
Big guide stroke bull ball screw nut of matrix, its characterized in that: including relative lead screw nut monomer A and the lead screw nut monomer B who sets up to and the outer tube of cover on lead screw nut monomer A and lead screw nut monomer B, lead screw nut monomer A and lead screw nut monomer B are two to the lead screw nut of opposite flange type soon, the both ends of outer tube are detachable respectively and install location with internal spline cover A and location with internal spline cover B, are provided with on lead screw nut monomer A's the ring flange outer wall and fix a position with internal spline cover A matched with location with external spline A, be provided with on lead screw nut monomer B's the ring flange outer wall with location with internal spline cover B matched with location with external spline B.
Inserting a sleeve A of a lead screw nut monomer A into an outer sleeve, inserting a sleeve B of the lead screw nut monomer B into the other end of the outer sleeve, connecting a lead screw with the lead screw nut monomer A and the lead screw nut monomer B in a threaded manner, wherein the lead screw nut monomer A and the lead screw nut monomer B are not directly fixed with the outer sleeve, but sleeving a positioning internal spline A on a positioning external spline A, rotating the positioning internal spline A and the lead screw nut monomer A together, aligning a flange plate through hole A on the positioning internal spline A with a connecting threaded hole A on the outer sleeve, detachably mounting the positioning internal spline A and the outer sleeve together through a connecting bolt A, wherein the mounting mode of the lead screw nut monomer B is the same as that of the lead screw nut monomer A, and the flange plates of the lead screw nut monomer A and the lead screw nut monomer B are not necessarily attached to the end surface of the outer sleeve, the processing precision of the overall length of the outer sleeve is reduced, and the connection is more convenient.
Preferably, a plurality of spline housing through holes a are formed in the positioning inner spline housing a, the plurality of spline housing through holes a are located on the same circle with the center line of the positioning inner spline housing a as the center of circle, a connecting threaded hole a matched with the spline housing through hole a is formed in the end face of the outer sleeve, and the connecting bolt a penetrates through the spline housing through hole a and is in threaded connection with the connecting threaded hole a. Simple structure connects the convenience, and the number of spline housing through-hole A does not have specific restriction.
Preferably, a plurality of flange plate through holes B are formed in the positioning inner spline housing B, the plurality of flange plate through holes B are located on the same circle with the center line of the positioning inner spline housing B as the center of the circle, a connecting threaded hole B matched with the flange plate through hole B is formed in the end face of the outer sleeve, and the connecting bolt B penetrates through the flange plate through hole B and is in threaded connection with the connecting threaded hole B. Simple structure connects the convenience, and the number of spline housing through-hole A does not have specific restriction.
Preferably, the outer wall of the outer sleeve is welded with a connecting rod hinge seat. And sufficient installation space is provided for the connecting rod hinge seat.
Preferably, the diameters of the sleeve A of the lead screw nut monomer A and the sleeve B of the lead screw nut monomer B are slightly smaller than the inner diameter of the outer sleeve. The bearing capacity is improved as a whole.
Preferably, a bushing is installed in a gap between the sleeve A of the lead screw nut monomer A and the sleeve B of the lead screw nut monomer B and the outer sleeve. Fill up the gap and improve the bearing capacity
The utility model also provides a screw-nut locking clamp, including the lead screw, threaded connection has the big direction journey bull ball nut of first matrix and the big direction journey bull ball nut of second matrix that can relative motion on the lead screw, the big direction journey bull ball nut of first matrix and the big direction journey bull ball nut of second matrix are the big direction journey bull ball nut of foretell matrix, it has connecting rod one to articulate on the connecting rod hinge seat of the big direction journey bull ball nut of first matrix, it has connecting rod two to articulate on the connecting rod hinge seat of the big direction journey bull ball nut of second matrix, and the other end of connecting rod one and connecting rod two all is articulated with outer shoe, and outer shoe is parallel to each other with the lead screw.
Preferably, the outer diameter of the flange of the lead screw nut monomer A is equal to the outer diameter of the outer sleeve, and the diameter of the flange of the lead screw nut monomer B is equal to the outer diameter of the outer sleeve. The whole nut is cylindrical, and unnecessary interference is avoided.
Preferably, the spline housing through hole A and the flange plate through hole B are both counter bores. The bolt is not exposed, and unnecessary interference is avoided.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the matrix type large-guiding-range multi-head ball screw nut and screw nut locking clamp of the utility model inserts the sleeve A of the screw nut monomer A into the outer sleeve, inserts the sleeve B of the screw nut monomer B into the other end of the outer sleeve, connects the screw with the screw nut monomer A and the screw nut monomer B in a threaded manner, the screw nut monomer A and the screw nut monomer B are not directly fixed with the outer sleeve, but are firstly sleeved with the positioning internal spline A on the positioning external spline A, then the positioning internal spline A and the screw nut monomer A rotate together, the flange plate through hole A on the positioning internal spline A is aligned with the connecting threaded hole A on the outer sleeve, the positioning internal spline A and the outer sleeve are detachably installed together through the connecting bolt A, the installation mode of the screw nut monomer B is the same as that of the screw nut monomer A, according to the installation mode, the flange plates of the lead screw nut monomer A and the lead screw nut monomer B are not necessarily attached to the end face of the outer sleeve, the machining precision of the total length of the outer sleeve is reduced, and the connection is more convenient.
2. Screw-nut locking clamp, drive screw is rotatory, screw-drive screw-nut monomer A, screw-nut monomer B are close to each other, connecting rod one and connecting rod two are close to each other for the lead screw is kept away from to outer fagging, outer fagging supports on tubulose work piece inner wall, adopts two nut lead screw structures, stability and rigidity are better, adopt parallelogram linkage, the clamp force is bigger, output is the level moreover, can stabilize the locking tubulose work piece.
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. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a matrix type large-guiding-range multi-head ball screw nut of the present invention;
fig. 2 is a schematic structural view of the screw nut locking clamp of the present invention;
in the figure: 1. the lead screw nut single body A1.1, the spline housing through hole A1.2, the sleeve A2, the lead screw nut single body B2.1, the flange plate through hole B2.2, the sleeve B3, the outer sleeve 3.1, the connecting threaded hole A3.2, the connecting threaded hole B4, the internal spline housing A5 for positioning, the internal spline housing B6 for positioning, the external spline A7 for positioning, the external spline B8 for positioning, the connecting bolt A9, the connecting bolt B10, the connecting rod hinge seat 11, the bush 12, the lead screw 13, the first connecting rod 14, the second connecting rod 15 and the external bracing plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Example one
As shown in fig. 1, the matrix type large-guiding-range multi-head ball screw nut includes a screw nut monomer a1 and a screw nut monomer B2 which are oppositely arranged, and an outer sleeve 3 which is sleeved on the screw nut monomer a1 and the screw nut monomer B2, the screw nut monomer a1 and the screw nut monomer B2 are two flange-type screw nuts with opposite rotation directions, an inner spline housing a4 and an inner spline housing B5 for positioning are respectively detachably mounted at two ends of the outer sleeve 3, an outer spline a6 for positioning which is matched with the inner spline housing a4 for positioning is arranged on the outer wall of a flange of the screw nut monomer a1, and an outer spline B7 for positioning which is matched with the inner spline housing B5 for positioning is arranged on the outer wall of the flange of the screw nut monomer B2.
In this embodiment, the positioning inner spline housing a4 is provided with a plurality of spline housing through holes a1.1, the plurality of spline housing through holes a1.1 are located on the same circle with the center line of the positioning inner spline housing a4 as the center of the circle, the end surface of the outer sleeve 3 is provided with a connecting threaded hole a3.1 matched with the spline housing through hole a1.1, and a connecting bolt A8 penetrates through the spline housing through hole a1.1 and is in threaded connection with the connecting threaded hole a 3.1; a plurality of flange plate through holes B2.1 are formed in the positioning inner spline housing B5, the plurality of flange plate through holes B2.1 are positioned on the same circle with the center line of the positioning inner spline housing B5 as the circle center, a connecting threaded hole B3.2 matched with the flange plate through hole B2.1 is formed in the end face of the outer sleeve 3, and a connecting bolt B9 penetrates through the flange plate through hole B2.1 and is in threaded connection with the connecting threaded hole B3.2; a connecting rod hinge seat 10 is welded on the outer wall of the outer sleeve 3; the diameters of a sleeve A1.2 of the lead screw nut monomer A1 and a sleeve B2.2 of the lead screw nut monomer B2 are both slightly smaller than the inner diameter of the outer sleeve 3; and a bush 11 is arranged in a gap between the sleeve A1.2 of the lead screw nut monomer A1 and the sleeve B2.2 of the lead screw nut monomer B2 and the outer sleeve 3.
The working principle of the embodiment is as follows: inserting a sleeve A of a lead screw nut monomer A into an outer sleeve, inserting a sleeve B of the lead screw nut monomer B into the other end of the outer sleeve, connecting a lead screw with the lead screw nut monomer A and the lead screw nut monomer B in a threaded manner, wherein the lead screw nut monomer A and the lead screw nut monomer B are not directly fixed with the outer sleeve, but sleeving a positioning internal spline A on a positioning external spline A, rotating the positioning internal spline A and the lead screw nut monomer A together, aligning a flange plate through hole A on the positioning internal spline A with a connecting threaded hole A on the outer sleeve, detachably mounting the positioning internal spline A and the outer sleeve together through a connecting bolt A, wherein the mounting mode of the lead screw nut monomer B is the same as that of the lead screw nut monomer A, and the flange plates of the lead screw nut monomer A and the lead screw nut monomer B are not necessarily attached to the end surface of the outer sleeve, the processing precision of the overall length of the outer sleeve is reduced, and the connection is more convenient.
Example two
As shown in fig. 2, the utility model also provides a screw nut locking clamp, including lead screw 12, threaded connection has the big lead distance bull ball screw nut of first matrix and the big lead distance bull ball screw nut of second matrix that can relative motion on lead screw 12, the big lead distance bull ball screw nut of first matrix and the big lead distance bull ball screw nut of second matrix are the big lead distance bull ball screw nut of aforesaid matrix, it has connecting rod one 13 to articulate on the connecting rod hinge seat 10 of the big lead distance bull ball screw nut of first matrix, it has connecting rod two 14 to articulate on the connecting rod hinge seat 10 of the big lead distance bull ball screw nut of second matrix, the other end of connecting rod one 13 and connecting rod two 14 all articulates with outer brace 15, outer brace 15 is parallel to each other with lead screw 12; the outer diameter of a flange plate of the lead screw nut monomer A1 is equal to the outer diameter of the outer sleeve 3, and the diameter of a flange plate of the lead screw nut monomer B2 is equal to the outer diameter of the outer sleeve 3; the spline housing through hole A1.1 and the flange plate through hole B2.1 are counter bores.
The working principle of the embodiment is as follows: the drive screw is rotatory, and screw drive screw nut monomer A, screw nut monomer B are close to each other, and connecting rod one and connecting rod two are close to each other for the lead screw is kept away from to outer fagging, and outer fagging supports on tubulose work piece inner wall, adopts two nut screw rod structures, and stability and rigidity are better, adopt parallel four-bar linkage, and the clamp force is bigger, and output power is the level moreover, can stabilize locking tubulose work piece.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a big guide stroke bull ball screw nut of matrix which characterized in that: including relative screw-nut monomer A (1) and screw-nut monomer B (2) that set up to and the cover establish outer tube (3) on screw-nut monomer A (1) and screw-nut monomer B (2), screw-nut monomer A (1) and screw-nut monomer B (2) are two and revolve to opposite flange type's screw-nut, the both ends of outer tube (3) are detachable respectively and install location with internal spline cover A (4) and location with internal spline cover B (5), be provided with on the ring flange outer wall of screw-nut monomer A (1) with location with internal spline cover A (4) matched with location with external splines A (6), be provided with on the ring flange outer wall of screw-nut monomer B (2) with location with internal spline cover B (5) matched with location with external splines B (7).
2. The matrix type large-guiding-range multi-head ball screw nut of claim 1, wherein: a plurality of spline housing through holes A (1.1) are formed in the positioning inner spline housing A (4), the spline housing through holes A (1.1) are located on the same circle with the center line of the positioning inner spline housing A (4) as the circle center, a connecting threaded hole A (3.1) matched with the spline housing through hole A (1.1) is formed in the end face of the outer sleeve (3), and the connecting bolt A (8) penetrates through the spline housing through holes A (1.1) and the connecting threaded hole A (3.1) in threaded connection.
3. The matrix type large-guiding-range multi-head ball screw nut of claim 2, wherein: a plurality of flange plate through holes B (2.1) are formed in the positioning inner spline sleeve B (5), the flange plate through holes B (2.1) are located on the same circle with the center line of the positioning inner spline sleeve B (5) as the circle center, the connecting threaded holes B (3.2) matched with the flange plate through holes B (2.1) are formed in the end face of the outer sleeve (3), and the connecting bolts B (9) penetrate through the flange plate through holes B (2.1) and the connecting threaded holes B (3.2) in threaded connection.
4. The matrix type large-guiding-range multi-head ball screw nut of claim 3, wherein: and a connecting rod hinge seat (10) is welded on the outer wall of the outer sleeve (3).
5. The matrix type large-guide-range multi-head ball screw nut of claim 4, wherein: the diameters of a sleeve A (1.2) of the lead screw nut monomer A (1) and a sleeve B (2.2) of the lead screw nut monomer B (2) are slightly smaller than the inner diameter of the outer sleeve (3).
6. The matrix type large-guide-range multi-head ball screw nut of claim 4, wherein: and a bushing (11) is arranged in a gap between the sleeve A (1.2) of the screw nut monomer A (1) and the sleeve B (2.2) of the screw nut monomer B (2) and the outer sleeve (3).
7. The utility model provides a feed screw nut locking clamp which characterized in that: comprises a screw rod (12), a first matrix type large-guiding-range multi-head ball screw nut and a second matrix type large-guiding-range multi-head ball screw nut which can move relatively are connected on the screw rod (12) in a threaded manner, the first matrix type large-lead multi-head ball screw nut and the second matrix type large-lead multi-head ball screw nut are both matrix type large-lead multi-head ball screw nuts according to any one of claims 1 to 6, a first connecting rod (13) is hinged on a connecting rod hinging seat (10) of the first matrix type large-guiding-range multi-head ball screw nut, articulated on the connecting rod articulated seat (10) of the big guide range bull ball screw nut of second matrix have connecting rod two (14), the other end of connecting rod one (13) and connecting rod two (14) all is articulated with outer fagging (15), and outer fagging (15) are parallel to each other with lead screw (12).
8. The feed screw nut locking clamp of claim 7, wherein: the outer diameter of the flange of the lead screw nut monomer A (1) is equal to the outer diameter of the outer sleeve (3), and the diameter of the flange of the lead screw nut monomer B (2) is equal to the outer diameter of the outer sleeve (3).
9. The feed screw nut locking clamp of claim 8, wherein: the spline housing through hole A (1.1) and the flange plate through hole B (2.1) are counter bores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020566710.1U CN212095196U (en) | 2020-04-16 | 2020-04-16 | Matrix type large-guiding-range multi-head ball screw nut and screw nut locking clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020566710.1U CN212095196U (en) | 2020-04-16 | 2020-04-16 | Matrix type large-guiding-range multi-head ball screw nut and screw nut locking clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212095196U true CN212095196U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020566710.1U Active CN212095196U (en) | 2020-04-16 | 2020-04-16 | Matrix type large-guiding-range multi-head ball screw nut and screw nut locking clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212095196U (en) |
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2020
- 2020-04-16 CN CN202020566710.1U patent/CN212095196U/en active Active
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