CN111468927A - Installation closing device of polymorphic type bearing - Google Patents

Installation closing device of polymorphic type bearing Download PDF

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Publication number
CN111468927A
CN111468927A CN202010326354.0A CN202010326354A CN111468927A CN 111468927 A CN111468927 A CN 111468927A CN 202010326354 A CN202010326354 A CN 202010326354A CN 111468927 A CN111468927 A CN 111468927A
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China
Prior art keywords
block
pressing
vertical screw
worm
top plate
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CN202010326354.0A
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Chinese (zh)
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CN111468927B (en
Inventor
辛绍杰
况天阳
袁文旭
宋子明
钟志杰
吴佳霖
夏伊梅
张贯尧
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Shanghai Yarong Electromechanical Technology Co ltd
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Shanghai Dianji University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention provides an installation pressing device of a multi-type bearing, which is provided with a bottom plate and a top plate which are connected through a plurality of hydraulic stand columns; the upper surface of the bottom plate is provided with a sliding chute, the center of the sliding chute is provided with a shallow groove, the sliding chutes on two sides of the shallow groove are respectively provided with an arched holding block in a sliding way, and the openings of the two arched holding blocks are oppositely arranged and are connected together through a telescopic piece; the top plate is provided with a worm and gear pressing structure located right above the shallow groove, the worm and gear pressing structure is provided with a turbine and a worm in threaded fit with the outer side wall of the turbine, the central thread of the turbine is provided with a vertical screw, the top of the vertical screw upwards penetrates through the top cover, the vertical screw downwards penetrates through a threaded hole in the top plate, the bottom of the vertical screw is fixedly provided with a pressing block, and the center of the lower surface of the pressing block is provided with a multistage stepped hole with gradually decreasing opening width from bottom to top. The device has the advantages of uniform pressure distribution, convenient clamping of the bearing assembly, rapidness, accuracy and free adaptation to the pressing work of bearings with various sizes.

Description

Installation closing device of polymorphic type bearing
Technical Field
The invention relates to machining, in particular to a mounting and pressing device for a plurality of types of bearings.
Background
The bearing is a part for supporting the shaft, is used for guiding the rotary motion of the bearing and bearing the load transmitted to the frame by the shaft, is a widely used standard part, and has higher requirements on processing and assembling. The bearing assembly precision that exists now requires more and more high, presss from both sides that the dress instrument also generally operates inconveniently, has the uneven problem of both sides atress moreover, influences the bearing operation security of high accuracy, and the too big problem that can harm the subassembly and press from both sides tightly of atress size difference in addition.
Disclosure of Invention
The invention aims to design a novel bearing pressing device which can finish bearing assembly pressing work through a simple mechanism and has the advantages of uniform pressure distribution, convenience in clamping a bearing assembly, rapidness, accuracy and free adaptation to pressing work of bearings with various sizes. In order to achieve the purpose, the specific technical scheme is as follows:
the mounting and pressing device for the multiple types of bearings is provided with a bottom plate and a top plate which are parallel up and down, and the bottom plate and the top plate are connected through a plurality of hydraulic stand columns;
the upper surface of the bottom plate is provided with a sliding groove, the center of the sliding groove is provided with a shallow groove, the sliding grooves on the two sides of the shallow groove are respectively provided with an arched holding block in a sliding way, the openings of the two arched holding blocks are oppositely arranged, the two arched holding blocks are connected together through a telescopic piece, and the two arched holding blocks are simultaneously close to or far away from the shallow groove in the center under the action of the telescopic piece;
be provided with the worm gear that is located directly over the shallow slot structure that pushes down on the roof, the worm gear structure that pushes down is provided with a mount pad of fixing at the roof upper surface, and the mount pad is provided with a top cap, just but install a horizontal pivoted turbine and with this turbine lateral wall screw-thread fit's horizontal worm in the mount pad, the central thread of turbine disposes a vertical screw rod, and the vertical screw rod top upwards runs through the top cap and the top is provided with spacing bolt, and this vertical screw rod downwards runs through the screw hole on the roof and the bottom mounting has a briquetting, and the lower surface central authorities of briquetting are provided with the multistage step hole that the opening width progressively diminishes from bottom to top.
Furthermore, two bearings which are respectively arranged on the upper end surface and the lower end surface of the turbine are arranged in the mounting seat.
Furthermore, the worm is coaxially arranged with a hand wheel exposed out of the mounting seat.
Furthermore, the two arch-shaped holding blocks are elastically connected together through at least one pair of connecting springs, and two ends of each connecting spring are respectively fixed on the same side of the two arch-shaped holding blocks.
Furthermore, one side of the arched holding block is provided with a V-shaped opening, a longitudinal sliding groove is formed in the bottom side of the V-shaped opening, a small V-shaped block is installed in the longitudinal sliding groove in a sliding mode, and the opening direction of the small V-shaped block is the same as the opening direction of the arched holding block.
Furthermore, the sliding groove is a T-shaped groove or a dovetail groove with a narrow upper part and a wide lower part, and a sliding block which is embedded in the T-shaped groove or the dovetail groove in a sliding manner is fixed at the bottom of the arched holding block.
Further, the briquetting is fixed in vertical screw rod bottom through the bolt.
Furthermore, the four corners of the bottom plate and the top plate are connected through 4 hydraulic upright columns.
The invention has the advantages that:
1) the self-centering bearing pressing device is provided with the V-shaped block clamping part connected through the spring, and can be self-centered and simultaneously and quickly adapted to workpieces of different types and sizes to carry out bearing pressing operation.
2) This device adopts screw rod and briquetting cooperation, can apply the equipartition load that slowly increases to the bearing, and is swift high-efficient to can not destroy the assembly surface. The compact heap height also can be adjusted to both sides support column, shortens compact heap decline time, raises the efficiency, and trapezoidal screw thread auto-lock nature also can effectively prevent not hard up simultaneously.
3) The screw rod of the device is driven by a worm gear, the section of the screw rod is a circular ring, and the pressing block is of a disc shape and the center of the pressing block is a through hole. The pressing blocks have different diameter types, and can be suitable for the installation of a shaft and a bearing, the installation of the bearing and an inner ring and the like.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions 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 it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is an overall outline view of a mounting and pressing device for a multi-type bearing provided by the invention;
FIG. 2 is a schematic view of the connection of the bottom plate and the top plate;
FIG. 3 is a clamp block diagram;
FIG. 4 is a schematic view of a worm gear press down configuration;
FIG. 5 is a cross-sectional view of the compact.
Description of reference numerals: the hydraulic support comprises a bottom plate 1, a hydraulic upright column 2, a top plate 3, a threaded hole 4, a shallow groove 5, a sliding groove 6, an arched holding block 7, a small V-shaped block 8, a telescopic piece 9, a sliding block 10, a bolt 11, a bolt hole 12, a top cover 13, a bearing 14, a worm wheel 15, a vertical screw 16, a pressing block 17, a worm 18, a hand wheel 19 and a mounting seat 20.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
As shown in figures 1-5, the invention provides a mounting and pressing device for a multi-type bearing, which is provided with a bottom plate 1 and a top plate 3 which are parallel up and down, wherein the bottom plate 1 and the top plate 3 are connected through a plurality of hydraulic upright posts 2, as shown in figure 1. The upper surface of the bottom plate 1 is provided with a chute 6, the center of the chute 6 is provided with a shallow slot 5 for placing a workpiece to be provided with a bearing, the chutes 6 at the two sides of the shallow slot 5 are respectively provided with an arch-shaped holding block 7 in a sliding manner, the openings of the two arch-shaped holding blocks 7 are oppositely arranged, the two arch-shaped holding blocks 7 are connected together through a telescopic piece 9, and the two arch-shaped holding blocks 7 are simultaneously close to or far away from the shallow slot 5 at the center under the action of the telescopic piece 9, as shown in fig. 2-3.
A worm and gear downward-pressing structure located right above the shallow groove 5 is arranged on the top plate 3, as shown in fig. 4-5, the worm and gear downward-pressing structure is provided with an installation seat 20 fixed on the upper surface of the top plate 3, the installation seat 20 is provided with a top cover 13, a turbine 15 capable of horizontally rotating and a horizontal worm 18 in threaded fit with the outer side wall of the turbine 15 are installed in the installation seat 20, a vertical screw 16 is configured on the central thread of the turbine 15, the top of the vertical screw 16 upwards penetrates through a threaded hole 4 on the top cover 13, a limit bolt 11 is arranged at the top end of the vertical screw 16, the vertical screw 16 downwards penetrates through the top plate 3, a pressing block 17 is fixed at the bottom end of the vertical screw, and a multi-stage stepped hole 170 with gradually decreasing opening width from bottom.
The hydraulic lifting design is adopted, when the height difference between the top plate 3 and a pressed part is too large, the distance can be quickly adjusted by using the hydraulic upright post 2, and the efficiency is improved; the invention has a pair of arched holding blocks 7 connected by a telescopic piece 9, and the bearing pressing operation can be carried out by self-centering and simultaneously and rapidly adapting to workpieces of different types and sizes. In addition, this device adopts vertical screw 16 and briquetting 17 cooperation, can apply the equipartition load of slow increase to the bearing, and is swift high-efficient to can not destroy workpiece assembly surface, briquetting 17 height also can be adjusted to both sides hydraulic column 2 simultaneously, shortens briquetting 17 down time, raises the efficiency, and trapezoidal screw thread auto-lock nature also can effectively prevent not hard up simultaneously.
In the present invention, a multistage stepped hole 170 having a gradually decreasing opening width from bottom to top is provided in the center of the lower surface of the pressing block 17, and has a series of different diameter types, and the pressing block can be selected according to the diameter and the installation type. The specific classification is as follows: 1) the bearing can be used for mounting the bearing and the circular ring, and particularly, the bearing is mounted on the inner wall of the circular ring. 2) The middle of the pressing block is provided with a through hole and is provided with a series of diameter types, and the pressing block is also suitable for installation of a shaft with a certain diameter and a bearing with a certain height difference.
In an alternative embodiment, two tapered roller bearings 14 are provided in the mounting seat, respectively on the upper and lower end faces of the turbine 15, and the vertical screw 16 passes through the two tapered roller bearings 14.
In an alternative embodiment, the worm 18 is coaxially disposed with a hand wheel 19 exposed from the mounting seat, and the worm 18 is rotated by the hand wheel 19.
In an alternative embodiment, the two arched holding blocks 7 are elastically connected together through at least one pair of telescopic members 9, preferably, the telescopic members 9 are connecting springs, and both ends of each connecting spring are respectively fixed on the same side of the two arched holding blocks 7.
In an alternative embodiment, as shown in fig. 3, a V-shaped opening is provided at one side of the arched holding block 7, a longitudinal sliding slot is provided at the bottom side of the V-shaped opening, a small V-shaped block 8 is slidably mounted in the longitudinal sliding slot, and the opening direction of the small V-shaped block is the same as the opening direction of the arched holding block 7. The small V-shaped block 8 slides in the vertical direction through the longitudinal sliding groove to change the relative position with the arched holding block 7, so that a better workpiece clamping effect is achieved.
In an alternative embodiment, the sliding groove 6 is a T-shaped groove or a dovetail groove with a narrow upper part and a wide lower part, and a T-shaped sliding block 10 or a dovetail groove wedge-shaped sliding block 10 which is slidably embedded in the T-shaped groove or the dovetail groove is fixed at the bottom of the arched holding block 7.
In an alternative embodiment, the pressing block 17 is fixed to the bottom end of the vertical screw 16 by a bolt.
In an alternative embodiment, the four corners of the bottom plate 1 and the top plate 3 are connected by 4 hydraulic columns 2.
The specific operation flow of the invention is as follows: when a bearing needs to be assembled and compressed with a corresponding workpiece, after the two arched holding blocks 7 are pulled apart by a certain distance, the assembled workpiece to be subjected to bearing installation is placed in the arched holding blocks, the bearing is firstly placed on an assembling position to be positioned and fixed, the workpiece can be automatically centered to a central position under the action of a V-shaped surface after being loosened, and the bearing is arranged above the position, to be assembled, of the workpiece. If the workpiece is smaller, the hydraulic upright column 2 can be controlled to descend to drive the vertical screw 16 and the pressing block 17 to a proper position above the workpiece, and the screw compression time is saved. And then the rotating hand wheel 19 is controlled to rotate positively to drive the worm 18 to rotate, the worm 18 drives the worm wheel 15 to rotate and drives the vertical screw 16 to move downwards, the pressing block 17 descends slowly, the bearing can be uniformly pressed into the assembly position, the operation is fast and efficient, and the assembly surface cannot be damaged. When the shaft and inner ring are to be assembled, we need to choose the appropriate diameter of the compact. The pressing mode has the advantages of convenient and fast clamping, uniform pressure distribution, and fast adaptation to bearings of different types and sizes, thereby well achieving the pressing work of various types of bearings.
In summary, the invention adopts the technical scheme, and has the following technical advantages:
1. this device designs two pairs of size difference, the gliding arch of relative holding tightly the piece as anchor clamps, carries out bearing and compresses tightly operation, quick adaptation from centering quick adaptation different grade type, the work piece of equidimension simultaneously, and the instrument commonality is big.
2. The device adopts the spring to connect the arch-shaped holding block, and can change the distance of the arch-shaped holding block by using external force, thereby quickly clamping the bearing, rapidly replacing and clamping workpieces in production, directly improving the production efficiency and reducing the product cost.
3. The device has the advantages of simple integral structure, reliable working principle, easy production and strong practicability.
4. The device adopts worm and gear transmission for lifting the screw rod, the cross section of the screw rod is a circular ring, the pressing block is in a disc shape, the center of the pressing block is a through hole, and meanwhile, the pressing block is provided with step holes with different diameter types, so that the device can be suitable for the installation of a shaft and a bearing, the installation of the bearing and an inner circular ring and other conditions.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims (8)

1. The mounting and pressing device for the multiple types of bearings is characterized by being provided with a bottom plate (1) and a top plate (3) which are parallel up and down, wherein the bottom plate (1) and the top plate (3) are connected through a plurality of hydraulic upright posts (2);
the upper surface of the bottom plate (1) is provided with a sliding chute (6), the center of the sliding chute (6) is provided with a shallow groove (5), the sliding chutes (6) on the two sides of the shallow groove (5) are respectively provided with an arched holding block (7) in a sliding manner, the openings of the two arched holding blocks (7) are oppositely arranged, a telescopic piece (9) is connected between the two arched holding blocks (7), and the two arched holding blocks (7) are simultaneously close to or far away from the central shallow groove (5) under the action of the telescopic piece (9);
a worm gear and worm pressing structure which is arranged right above the shallow groove (5) is arranged on the top plate (3), the worm gear and worm pressing structure is provided with an installation seat (20) fixed on the upper surface of the top plate (3), the installation seat (20) is provided with a top cover (13), a turbine (15) capable of horizontally rotating and a horizontal worm (18) in threaded fit with the outer side wall of the turbine (15) are installed in the installation seat (20), a vertical screw (16) is configured at the central thread of the turbine (15), the top of the vertical screw (16) upwards penetrates through the top cover (13) and a limit bolt (11) is arranged at the top end of the vertical screw, and the vertical screw (16) downwards penetrates through the threaded hole (4) on the top plate (3) and the bottom end is fixed with a pressing block (17), and the center of the lower surface of the pressing block (17) is provided with a multistage stepped hole (170) with gradually decreasing opening width from bottom to top.
2. The mounting fixture for multi-type bearings according to claim 1, wherein two bearings (14) are provided in the mounting seat (20) at the upper and lower end surfaces of the turbine (15), respectively.
3. The multi-type bearing mounting and pressing device as claimed in claim 1, wherein the worm (18) is coaxially disposed with a hand wheel (19) exposed to the mounting seat (20).
4. The multi-type bearing mounting and pressing device according to claim 1, wherein the two arched holding blocks (7) are elastically connected together by at least one pair of connecting springs, and both ends of each connecting spring are respectively fixed on the same side of the two arched holding blocks (7).
5. The mounting and pressing device for the multi-type bearing according to claim 1, wherein a V-shaped opening is formed in one side of the arched holding block (7), a longitudinal sliding groove is formed in the bottom side of the V-shaped opening, a small V-shaped block (8) is slidably mounted in the longitudinal sliding groove, and the opening direction of the small V-shaped block (8) is the same as the opening direction of the arched holding block (7).
6. The multi-type bearing mounting and pressing device according to claim 1 or 5, wherein the sliding groove (6) is a T-shaped groove or a dovetail groove with a narrow top and a wide bottom, and a sliding block (10) which is slidably embedded in the T-shaped groove or the dovetail groove is fixed at the bottom of the arched holding block (7).
7. The multi-type bearing mounting and pressing device as claimed in claim 1, wherein the pressing block (17) is fixed to the bottom end of the vertical screw (16) by a bolt.
8. The multi-type bearing mounting and pressing device as claimed in claim 1, wherein the four corners of the bottom plate (1) and the top plate (3) are connected by 4 hydraulic columns (2).
CN202010326354.0A 2020-04-23 2020-04-23 Installation closing device of polymorphic type bearing Active CN111468927B (en)

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Application Number Priority Date Filing Date Title
CN202010326354.0A CN111468927B (en) 2020-04-23 2020-04-23 Installation closing device of polymorphic type bearing

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Application Number Priority Date Filing Date Title
CN202010326354.0A CN111468927B (en) 2020-04-23 2020-04-23 Installation closing device of polymorphic type bearing

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CN111468927B CN111468927B (en) 2022-07-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1200688A (en) * 1995-09-25 1998-12-02 形状连接技术有限公司及两合公司 Method for inserting fastener element, bolt element, riveting die and component assembly
GB2412080B (en) * 2004-03-20 2006-03-29 Klann Spezial Werkzeugbau Gmbh Ejection device for damping bushes of a motor vehicle axle
CN102699673A (en) * 2012-06-27 2012-10-03 横店集团联宜电机有限公司 Press fitting device for bearing
CN205202235U (en) * 2015-12-01 2016-05-04 绍兴文理学院元培学院 Compression device
CN205468010U (en) * 2016-04-06 2016-08-17 万小东 Electronic accounting document flattening device
CN206839229U (en) * 2017-06-15 2018-01-05 江苏宣胜金属科技有限公司 A kind of self-centering steel tube drilling machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1200688A (en) * 1995-09-25 1998-12-02 形状连接技术有限公司及两合公司 Method for inserting fastener element, bolt element, riveting die and component assembly
GB2412080B (en) * 2004-03-20 2006-03-29 Klann Spezial Werkzeugbau Gmbh Ejection device for damping bushes of a motor vehicle axle
CN102699673A (en) * 2012-06-27 2012-10-03 横店集团联宜电机有限公司 Press fitting device for bearing
CN205202235U (en) * 2015-12-01 2016-05-04 绍兴文理学院元培学院 Compression device
CN205468010U (en) * 2016-04-06 2016-08-17 万小东 Electronic accounting document flattening device
CN206839229U (en) * 2017-06-15 2018-01-05 江苏宣胜金属科技有限公司 A kind of self-centering steel tube drilling machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
马培荪: "电厂锅炉热交换承压管管外检测机器人", 《上海电机学院学报》 *

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