CN215556683U - Supporting mechanism and frame transfer equipment of lead screw - Google Patents
Supporting mechanism and frame transfer equipment of lead screw Download PDFInfo
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- CN215556683U CN215556683U CN202121426095.5U CN202121426095U CN215556683U CN 215556683 U CN215556683 U CN 215556683U CN 202121426095 U CN202121426095 U CN 202121426095U CN 215556683 U CN215556683 U CN 215556683U
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Abstract
The utility model relates to the technical field of high-speed heavy-load lead screw transmission, and discloses a lead screw supporting mechanism and a frame transfer device. The supporting mechanism of the lead screw is used for supporting the auxiliary end of the lead screw and comprises a supporting seat, a first bearing, a second bearing and an elastic assembly. The supporting seat is provided with an installation cavity; the first bearing and the second bearing are respectively arranged at two ends of the installation cavity; the elastic component is arranged between the first bearing and the second bearing so as to generate elastic force between the first bearing and the second bearing; the auxiliary end sequentially penetrates through the first end of the mounting cavity, the first bearing, the elastic assembly and the second bearing. The utility model reduces the offset of the screw rod caused by the movement, has uniform stress on the screw rod, improves the coaxiality, balances the torsion input by the screw rod, improves the transferring precision and prolongs the service life of the frame transferring equipment.
Description
Technical Field
The utility model relates to the technical field of high-speed heavy-load lead screw transmission, in particular to a support mechanism of a lead screw and frame transfer equipment.
Background
In the frame assembly production process, the frame uses the transfer equipment to transport, in order to guarantee that automobile parts's transportation, quick response, position are accurate and the precision is high, have reversibility concurrently, and the transfer equipment use is the ball screw of high-speed heavy load vice. One end of the ball screw is provided with a driving mechanism, and the other end of the ball screw is provided with a supporting mechanism.
In the prior art, the supporting mechanism is connected with the auxiliary end of the lead screw through a supporting seat provided with a bearing and is fixed by a bolt to form the supporting mechanism of the lead screw. However, in the production and use process, the shifting of the screw rod often occurs, the screw rod is stressed unevenly, the coaxiality is deteriorated, the input torsion of the screw rod is unbalanced, the screw rod can be broken when the input torsion is serious, the driving mechanism is damaged, the operation of the front cross beam of the frame is influenced, and the repeated faults are caused.
Based on this, a support mechanism for a lead screw and a vehicle frame transfer device are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims to provide a support mechanism of a lead screw and a frame transfer device, which can reduce the offset of the lead screw caused by the movement, ensure uniform stress of the lead screw, improve the coaxiality, balance the torsion input by the lead screw, improve the transfer precision and prolong the service life of the frame transfer device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
in one aspect, a support mechanism for a lead screw is provided, for supporting an auxiliary end of the lead screw, the support mechanism for the lead screw includes:
the supporting seat is provided with a mounting cavity;
the first bearing and the second bearing are respectively arranged at two ends of the mounting cavity;
an elastic assembly disposed between the first bearing and the second bearing to generate an elastic force therebetween;
the auxiliary end sequentially penetrates through the first end of the mounting cavity, the first bearing, the elastic assembly and the second bearing.
As a preferred technical scheme of the supporting mechanism of the lead screw, the elastic component comprises a spring seat, an elastic part and a spring pressing plate, the spring seat is provided with a mounting groove, the elastic part is mounted in the mounting groove, the force application direction of the elastic part is parallel to the axis direction of the lead screw, the spring pressing plate is in compression joint with the elastic part, and the spring seat is far away from one side of the spring pressing plate and is abutted to the first bearing inner ring.
As a preferable technical scheme of the support mechanism of the lead screw, the number of the mounting grooves is multiple, the mounting grooves are annularly arranged on the spring seats, and each spring seat is internally provided with the elastic part.
As a preferred technical scheme of the support mechanism of the lead screw, the elastic assembly further comprises a bidirectional thrust ball bearing and a partition plate, one end of the bidirectional thrust ball bearing is abutted to the partition plate, the other end of the bidirectional thrust ball bearing is abutted to the spring pressing plate, and one side, far away from the bidirectional thrust ball bearing, of the partition plate is abutted to an outer ring of the second bearing.
As an optimal technical scheme of a support mechanism of the lead screw, one end, far away from the elastic part, of the spring pressing plate is provided with a positioning groove, and the end part of the bidirectional thrust ball bearing is arranged in the positioning groove.
As a preferable technical solution of the support mechanism of the lead screw, the first bearing and the second bearing are both ball bearings.
As a preferred technical scheme of a support mechanism of the lead screw, a bearing positioning sleeve and a locking nut are further mounted on the auxiliary end, and the bearing positioning sleeve is positioned on one side, far away from the first bearing, of the second bearing;
the bearing positioning sleeve is sleeved on the auxiliary end, one end of the bearing positioning sleeve abuts against the inner ring of the second bearing, the other end of the bearing positioning sleeve abuts against the locking nut, and the locking nut is configured to adjust the distance between the first bearing and the second bearing.
As an optimal technical scheme of the support mechanism of the lead screw, a sealing ring is arranged between the support seat and the auxiliary end and is located at the first end of the installation cavity.
As a preferable technical solution of the support mechanism of the lead screw, the support mechanism further includes a rear cover mounted on the support base, and the rear cover is configured to close the second end of the mounting cavity.
In another aspect, a frame transfer device is provided, which includes the support mechanism of the lead screw according to any one of the above aspects.
The utility model has the beneficial effects that:
the utility model provides a vehicle frame transfer device which comprises a support mechanism of a lead screw. The first end, the first bearing, the elastic component and the second bearing of installation cavity are worn to establish in proper order by the auxiliary end of lead screw. The auxiliary end is rotatably installed with the supporting seat through the first bearing and the second bearing, the first bearing and the second bearing are arranged at intervals, the two bearings increase the rotation stability of the lead screw, and the movement of the lead screw is reduced. The lead screw is at reciprocal in-process, and the interval of first bearing of elastic component automatically regulated and second bearing, and then adjusts lead screw axial float clearance, reduces the lead screw because the skew that the float leads to, and the lead screw atress is even, has improved the axiality, and the torsion of balanced lead screw input improves the transportation precision to and the life of frame transfer device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a support mechanism for a lead screw according to an embodiment of the present invention;
fig. 2 is a sectional view of a support mechanism of a lead screw according to an embodiment of the present invention.
The figures are labeled as follows:
100. a lead screw; 1001. an auxiliary end;
1. a supporting seat; 2. a first bearing; 3. a second bearing; 4. an elastic component; 41. a spring seat; 42. an elastic member; 43. a spring pressing plate; 44. a bidirectional thrust ball bearing; 45. a partition plate; 5. a bearing positioning sleeve; 6. locking the nut; 7. a seal ring; 8. and (7) a rear cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 and fig. 2, the present embodiment provides a frame transfer device, which includes a support mechanism of a lead screw, where the support mechanism of the lead screw includes a support base 1, a first bearing 2, a second bearing 3, and an elastic component 4.
Specifically, the supporting seat 1 is provided with an installation cavity; the first bearing 2 and the second bearing 3 are respectively arranged at two ends of the installation cavity; the elastic component 4 is arranged between the first bearing 2 and the second bearing 3, so that elastic force is generated between the first bearing 2 and the second bearing 3; the auxiliary end 1001 of the lead screw 100 sequentially penetrates through the first end of the installation cavity, the first bearing 2, the elastic component 4 and the second bearing 3. In this embodiment, the first bearing 2 and the second bearing 3 are both ball bearings.
Preferably, the elastic component 4 includes a spring seat 41, an elastic member 42 and a spring pressing plate 43, the spring seat 41 is provided with a mounting groove, the elastic member 42 is mounted in the mounting groove, the force application direction of the elastic member 42 is parallel to the axial direction of the lead screw 100, the spring pressing plate 43 is pressed on the elastic member 42, and one side of the spring seat 41 away from the spring pressing plate 43 abuts against the inner ring of the first bearing 2, so that the elastic member 42 is fixed. In this embodiment, the elastic member 42 is a spring, and the mounting groove provides positioning assembly for the spring, thereby improving the mounting stability of the spring. Preferably, the mounting groove is a plurality of, and spring holder 41 is located to a plurality of mounting groove rings, all is provided with elastic component 42 in every spring holder 41, and a plurality of elastic components 42 have improved the elastic force of first bearing 2 and second bearing 3, improve the regulation effect.
The elastic component 4 further comprises a bidirectional thrust ball bearing 44 and a partition plate 45, one end of the bidirectional thrust ball bearing 44 abuts against the partition plate 45, the other end of the bidirectional thrust ball bearing 44 abuts against the spring pressing plate 43, and one side, far away from the bidirectional thrust ball bearing 44, of the partition plate 45 abuts against the outer ring of the second bearing 3. The bidirectional thrust ball bearing 44 realizes that the first bearing 2 and the second bearing 3 rotate independently of each other.
Further preferably, a positioning groove is formed at one end of the spring pressing plate 43 away from the elastic member 42, and an end of the bidirectional thrust ball bearing 44 is disposed in the positioning groove, so that the assembly precision and the motion stability of the bidirectional thrust ball bearing 44 are improved.
Further, the auxiliary end 1001 is further provided with a bearing positioning sleeve 5 and a lock nut 6, and the bearing positioning sleeve 5 is positioned on one side of the second bearing 3 away from the first bearing 2; the bearing positioning sleeve 5 is sleeved on the auxiliary end 1001, one end of the bearing positioning sleeve abuts against the inner ring of the second bearing 3, the other end of the bearing positioning sleeve abuts against the lock nut 6, and the lock nut 6 is configured to adjust the distance between the first bearing 2 and the second bearing 3. The distance between the first bearing 2 and the second bearing 3 is adjusted by adjusting the position of the lock nut 6 on the auxiliary end 1001, and thus the position of the bearing retainer 5 relative to the auxiliary end 1001.
Preferably, a sealing ring 7 is arranged between the supporting seat 1 and the auxiliary end 1001, the sealing ring 7 is located at the first end of the installation cavity, and after the auxiliary end 1001 penetrates through the first end of the installation cavity, the sealing ring 7 realizes sealing between the supporting seat 1 and the lead screw 100.
Preferably, the support mechanism of the lead screw further comprises a rear cover 8, the rear cover 8 is mounted on the support base 1, and the rear cover 8 is configured to close off the second end of the mounting cavity. The rear cover 8 is arranged at one end, far away from the main body of the lead screw 100, of the supporting seat 1, covers the auxiliary end 1001 of the lead screw 100 and seals the second end of the mounting cavity, so that the sealing performance of the mounting cavity in the supporting seat 1 is improved, the auxiliary end 1001 of the lead screw 100 is prevented from being exposed, and the operation safety is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A support mechanism of a lead screw for supporting an auxiliary end (1001) of the lead screw (100), characterized in that the support mechanism of the lead screw comprises:
the supporting seat (1) is provided with an installation cavity;
the first bearing (2) and the second bearing (3), wherein the first bearing (2) and the second bearing (3) are respectively installed at two ends of the installation cavity;
an elastic assembly (4) disposed between the first bearing (2) and the second bearing (3) to generate an elastic force between the first bearing (2) and the second bearing (3);
the auxiliary end (1001) penetrates through the first end of the installation cavity, the first bearing (2), the elastic component (4) and the second bearing (3) in sequence.
2. The support mechanism of the lead screw according to claim 1, wherein the elastic component (4) comprises a spring seat (41), an elastic member (42) and a spring pressing plate (43), the spring seat (41) is provided with a mounting groove, the elastic member (42) is mounted in the mounting groove, the force application direction of the elastic member (42) is parallel to the axial direction of the lead screw (100), the spring pressing plate (43) is pressed on the elastic member (42), and one side of the spring seat (41) away from the spring pressing plate (43) abuts against the inner ring of the first bearing (2).
3. The support mechanism for a lead screw according to claim 2, wherein the mounting groove is provided in plurality, and the plurality of mounting grooves are annularly provided to the spring seat (41), and the elastic member (42) is provided in each spring seat (41).
4. The support mechanism of the lead screw according to claim 2, characterized in that the elastic component (4) further comprises a bidirectional thrust ball bearing (44) and a partition plate (45), one end of the bidirectional thrust ball bearing (44) abuts against the partition plate (45), the other end abuts against the spring pressure plate (43), and one side of the partition plate (45) far away from the bidirectional thrust ball bearing (44) abuts against the outer ring of the second bearing (3).
5. Support mechanism for a threaded spindle according to claim 4, characterized in that the end of the spring pressure plate (43) remote from the elastic element (42) is provided with a positioning slot in which the end of the bidirectional thrust ball bearing (44) is arranged.
6. Support mechanism of a lead screw according to claim 1, characterized in that the first bearing (2) and the second bearing (3) are both ball bearings.
7. The support mechanism of the lead screw according to claim 1, wherein the auxiliary end (1001) is further provided with a bearing positioning sleeve (5) and a lock nut (6), and the bearing positioning sleeve (5) is positioned on one side of the second bearing (3) far away from the first bearing (2);
the bearing positioning sleeve (5) is sleeved on the auxiliary end (1001), one end of the bearing positioning sleeve abuts against the inner ring of the second bearing (3), the other end of the bearing positioning sleeve abuts against the locking nut (6), and the locking nut (6) is configured to adjust the distance between the first bearing (2) and the second bearing (3).
8. Support mechanism for a lead screw according to claim 1, characterized in that a sealing ring (7) is arranged between the support base (1) and the auxiliary end (1001), the sealing ring (7) being located at a first end of the mounting cavity.
9. The screw support mechanism of claim 1, further comprising a rear cover (8) mounted on the support base (1), the rear cover (8) being configured to close off a second end of the mounting cavity.
10. A carriage transfer apparatus comprising a support mechanism for a lead screw according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121426095.5U CN215556683U (en) | 2021-06-25 | 2021-06-25 | Supporting mechanism and frame transfer equipment of lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121426095.5U CN215556683U (en) | 2021-06-25 | 2021-06-25 | Supporting mechanism and frame transfer equipment of lead screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215556683U true CN215556683U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121426095.5U Active CN215556683U (en) | 2021-06-25 | 2021-06-25 | Supporting mechanism and frame transfer equipment of lead screw |
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| Country | Link |
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| CN (1) | CN215556683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093445A1 (en) * | 2022-10-31 | 2024-05-10 | 杭州海康机器人股份有限公司 | Drive mechanism and carrying device |
-
2021
- 2021-06-25 CN CN202121426095.5U patent/CN215556683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093445A1 (en) * | 2022-10-31 | 2024-05-10 | 杭州海康机器人股份有限公司 | Drive mechanism and carrying device |
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