CN110238782B - Clamp with locating detection and telescopic clamping functions - Google Patents
Clamp with locating detection and telescopic clamping functions Download PDFInfo
- Publication number
- CN110238782B CN110238782B CN201910639604.3A CN201910639604A CN110238782B CN 110238782 B CN110238782 B CN 110238782B CN 201910639604 A CN201910639604 A CN 201910639604A CN 110238782 B CN110238782 B CN 110238782B
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- locating
- sliding
- guide
- sliding shaft
- spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/064—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a clamp with locating detection and telescopic clamping functions, which comprises: the upper telescopic mechanism and the lower telescopic mechanism comprise a sliding shaft, a first spring and a first limit bolt assembly, wherein the sliding shaft is vertically arranged, a workpiece to be installed can be sleeved at the bottom end of the sliding shaft, the first spring is arranged inside the sliding shaft, a vertical through groove is formed in the sliding shaft, the first end of the first limit bolt assembly is connected with the bottom end of the first spring, and the second end of the first limit bolt assembly horizontally penetrates through the through groove to extend out. According to the invention, the needle bearing is positioned and clamped by the positioning contact, the proximity switch is used for secondarily judging whether the positioning is correct, the anti-rotation guide mechanism ensures that the pressing process cannot be twisted, and the outer ring hole of the needle bearing is aligned to the workpiece hole; the pressing machine is arranged at the pressing position of the pressing machine, and two hands are far away from the pressing machine, so that the risk of extrusion is avoided; the good verticality ensures that the bearing press-fitting can be completed rapidly, and the press-fitting efficiency is improved.
Description
Technical Field
The invention belongs to the field of automatic assembly, and particularly relates to a clamp with locating detection and telescopic clamping functions.
Background
When the working condition that high-speed rolling is needed and the load is large is needed, the needle roller bearing needle needs to be lubricated by oiling so as to prolong the service life of the needle roller bearing, and the needle roller bearing needs to be specially customized and is provided with holes on the outer rolling surface. The needle bearing needs to be pressed into the workpiece and the openings aligned with the oil holes. At present, the assembly mode is that a worker holds the needle bearing by hand, the outer rolling surface hole of the needle bearing is visually aligned with the workpiece hole, and the needle bearing is pressed in by using a manual press-fitting tool. The assembly mode has the following defects that:
1. manual pressing in, the rolling surface hole outside the needle bearing is difficult to ensure that the needle bearing can be accurately aligned with the oil filling hole, and excessive deviation can cause incapability of filling oil and lubricating;
2. manual pressing in can not liberate double hands, and if the operation is improper, the risk of squeezing the hands exists;
3. the manual hand-held press-in is difficult to ensure that the bearing is vertically pressed into the matching hole, so that the press-in is difficult, and the needle roller and the retainer are damaged when serious; and the press-in is required to be slowly pressed in, so that the press-in efficiency is lower.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the clamp with the function of locating detection and clamping and stretching, and part of embodiments of the clamp can be compact in structure, accurate in bearing locating, and can be assembled on a hydraulic press, can be manually operated to press a button of the hydraulic press to assemble a bearing, and can also be integrated at a station of an automatic assembly line to realize unmanned assembly. The press cycle time with this clamp can be up to 5 seconds each.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a clamp with locating detection and telescopic clamping, the clamp comprising: the upper telescopic mechanism and the lower telescopic mechanism comprise a sliding shaft, a first spring and a first limit bolt assembly which are vertically arranged, a workpiece to be installed can be sleeved at the bottom end of the sliding shaft, the first spring is arranged inside the sliding shaft, a vertical through groove is formed in the sliding shaft, the first end of the first limit bolt assembly is connected with the bottom end of the first spring, the second end of the first limit bolt assembly horizontally penetrates through the through groove to extend out, and a positioning key and a reverse rotation guide key are sequentially fixed on the outer wall of the sliding shaft from top to bottom; the telescopic clamping positioning detection mechanism comprises a sliding guide sleeve, a guide plate, a limit screw, a second spring, a guide rod and a positioning contact, wherein the sliding guide sleeve is sleeved on the sliding shaft, a first guide groove matched with the anti-rotation guide key is formed in the inner wall of the sliding guide sleeve, a through hole which is used for the first limit screw assembly to pass through and is tightly matched with the first limit screw assembly is formed in the sliding guide groove, the guide rod is fixed on the sliding guide sleeve, the guide plate is slidably arranged on the guide rod, the limit screw passes through the guide plate and is in threaded connection with the sliding guide sleeve, the second spring is sleeved on the limit screw, two ends of the second spring are respectively abutted against the guide plate and the sliding guide sleeve, the positioning contact sequentially passes through the guide plate and the sliding guide sleeve to face the workpiece, and the end shape of the positioning contact is matched with the positioning hole in the workpiece; and
anti-rotation guiding mechanism, anti-rotation guiding mechanism includes second guide way, second slide rail, location mounting flange, the second guide way is fixed on external device, the second slide rail slides and sets up in the second guide way, location mounting flange with second slide rail fixed connection, location mounting flange's lower part holding the upper portion and the inside of sliding shaft be provided with location key matched with third guide way, location mounting flange's upper portion is used for connecting upper and lower actuating mechanism.
Preferably, an adjusting jackscrew is connected to the bottom of the sliding shaft in a threaded manner.
Preferably, the top of the sliding shaft comprises a spring seat fixedly connected to the inside of the sliding shaft for defining the upper position of the first spring.
Preferably, the telescopic clamping positioning detection mechanism comprises a second limit bolt assembly, one end of the second limit bolt assembly is fixed on the sliding guide sleeve, and the other end of the second limit bolt assembly penetrates through the guide plate to limit the position of the guide plate.
Preferably, the telescopic clamping positioning detection mechanism comprises a proximity switch assembly, the proximity switch assembly is used for judging whether a positioning hole of the workpiece is aligned with the positioning contact or not according to the change of the distance between the guide plate and the sliding guide sleeve, and the proximity switch assembly is in signal connection with the upper and lower driving mechanism.
Preferably, the material of the guide plate is copper.
Preferably, a sliding bearing is arranged on the sliding guide sleeve, and the positioning contact penetrates through the sliding bearing.
Preferably, the telescopic clamping positioning detection mechanism comprises a positioning screw, a screw hole communicated with the positioning contact is formed in the guide plate, the positioning screw is in threaded connection with the screw hole, and the positioning screw can abut against the positioning contact.
Compared with the prior art, the invention has the beneficial effects that: the clamp is compact in structure and convenient to use; positioning contacts are utilized to position and clamp the needle roller bearing, a proximity switch is used for carrying out secondary judgment on whether positioning is correct or not, and an anti-rotation guide mechanism ensures that the pressing process cannot be twisted, and ensures that an outer ring hole of the needle roller bearing is aligned to a workpiece hole; the pressing machine is arranged at the pressing position of the pressing machine, and two hands are far away from the pressing machine, so that the risk of extrusion is avoided; good verticality ensures that bearing press-fitting can be completed rapidly, and press-fitting efficiency is improved
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an isometric view of an embodiment of the invention.
Fig. 2 is an isometric view of another view of an embodiment of the invention.
Fig. 3 is a three-dimensional schematic diagram of a telescopic clamping positioning detection mechanism according to an embodiment of the present invention.
Fig. 4 is a three-dimensional schematic diagram of another view angle of the telescopic clamping positioning detection mechanism according to an embodiment of the present invention.
Fig. 5 is a three-dimensional schematic diagram of an up-down telescopic mechanism according to an embodiment of the present invention.
Fig. 6 is a three-dimensional schematic diagram of another view of the up-down telescopic mechanism according to the embodiment of the present invention.
Fig. 7 is a three-dimensional schematic view of an anti-rotation guide mechanism according to an embodiment of the present invention.
Fig. 8 is a three-dimensional schematic view of a needle bearing according to an embodiment of the present invention.
FIG. 9 is a schematic diagram of a bearing positioning process according to an embodiment of the present invention.
Fig. 10 is a schematic diagram of a press-fitting process according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1-7, the present embodiment provides a clamp with locating detection and capable of clamping and expanding, the clamp includes: the upper and lower telescopic mechanism 2 comprises a sliding shaft 18, a first spring 21 and a first limit bolt assembly 15 which are vertically arranged, a workpiece to be installed can be sleeved at the bottom end of the sliding shaft 18, the first spring 21 is arranged in the sliding shaft 18, a vertical through groove 13 is formed in the sliding shaft 18, the first end of the first limit bolt assembly 15 is connected with the bottom end of the first spring 21, the second end of the first limit bolt assembly 15 horizontally penetrates through the through groove 13 to extend out, and a positioning key 20 and a reverse rotation guide key 17 are sequentially fixed on the outer wall of the sliding shaft 18 from top to bottom; the telescopic clamping positioning detection mechanism 1 comprises a sliding guide sleeve 9, a guide plate 5, a limit screw 12, a second spring, a guide rod 11 and a positioning contact 8, wherein the sliding guide sleeve 9 is sleeved on a sliding shaft 18, a first guide groove matched with a counter-rotation guide key 17 is formed in the inner wall of the sliding guide sleeve 9, a through hole for a first limit screw assembly 15 to pass through and be tightly matched with is formed in the sliding guide groove, the guide rod 11 is fixed on the sliding guide sleeve 9, the guide plate 5 is slidably arranged on the guide rod 11, the limit screw 12 passes through the guide plate 5 and is in threaded connection with the sliding guide sleeve 9, the second spring is sleeved on the limit screw 12, two ends of the second spring respectively abut against the guide plate 5 and the sliding guide sleeve 9, the positioning contact 8 sequentially passes through the guide plate 5 and the sliding guide sleeve 9 to face a workpiece, and the end shape of the positioning contact 8 is matched with a positioning hole in the workpiece; and
the anti-rotation guide mechanism 3, the anti-rotation guide mechanism 3 comprises a second guide groove 22, a second slide rail 23 and a positioning installation flange 24, the second guide groove 22 is fixed on an external device, the second slide rail 23 is arranged in the second guide groove 22 in a sliding manner, the positioning installation flange 24 is fixedly connected with the second slide rail 23, the lower part of the positioning installation flange 24 is accommodated in the upper part of the sliding shaft 18 and is internally provided with a third guide groove matched with the positioning key 20, and the upper part of the positioning installation flange 24 is used for connecting an up-down driving mechanism.
The bottom of the sliding shaft 18 is screwed with an adjusting jackscrew 14.
The top of the sliding shaft 18 includes a spring seat 19, and the spring seat 19 is fixedly connected to the inside of the sliding shaft 18 to define an upper position of the first spring 21.
The telescopic clamping positioning detection mechanism 1 comprises a second limit bolt assembly 6, one end of the second limit bolt assembly 6 is fixed on a sliding guide sleeve 9, and the other end of the second limit bolt assembly 6 penetrates through the guide plate 5 and is used for limiting the position of the guide plate 5.
The telescopic clamping positioning detection mechanism 1 comprises a proximity switch assembly 10, the proximity switch assembly 10 is used for judging whether a positioning hole of a workpiece is aligned with the positioning contact 8 according to the change of the distance between the guide plate 5 and the sliding guide sleeve 9, and the proximity switch assembly 10 is in signal connection with the up-down driving mechanism.
The material of the guide plate 5 is copper.
The sliding guide sleeve 9 is provided with a sliding bearing 7, and the positioning contact 8 passes through the sliding bearing 7.
The telescopic clamping positioning detection mechanism 1 comprises a positioning screw 4, a screw hole communicated with a positioning contact 8 is formed in a guide plate 5, the positioning screw 4 is in threaded connection with the screw hole, and the positioning screw 4 can abut against the positioning contact 8.
In the case of a needle bearing as an example, fig. 8 shows a needle bearing with an outer rolling surface having a hole, and fig. 10 shows a piece in which the needle bearing is inserted into the hole in alignment, so that the needle bearing needs to be located first. The bottom end of the sliding shaft on the hand-held needle bearing sleeve rotates the needle bearing, the needle bearing can smoothly rotate when the hole is not aligned with the positioning contact, and the telescopic clamping positioning detection mechanism is in a compressed state under the drive of the positioning contact and is far away from the proximity switch; when the hole is aligned with the positioning contact, the needle bearing can obviously feel difficult to rotate, and the telescopic clamping positioning detection mechanism is in an extended state under the drive of the positioning contact and is close to the proximity switch; and whether the bearing is positioned accurately can be judged according to the rotating state of the needle bearing and the feedback of the proximity switch indicator lamp. The initial state, the bearing unset state, and the bearing set state are shown in fig. 9.
After the needle roller bearing is positioned, the pressing machine is controlled by two hands to press downwards, and the two hands are far away from the clamp at the moment; the needle roller bearing is quickly pressed into a workpiece hole, and at the moment, the telescopic clamping positioning detection mechanism moves upwards under the drive of the upper telescopic mechanism and the lower telescopic mechanism, and the spring in the sliding shaft is compressed, so that the interference to the workpiece is avoided; after the press fitting is completed, the spring stretches out to drive the telescopic clamping positioning detection mechanism to descend to the position shown in fig. 2. Fig. 10 shows the press-fitting process.
While the foregoing embodiments have been described in detail and with reference to the present invention, it will be apparent to one skilled in the art that modifications and improvements can be made based on the disclosure without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a but take to seek position and detect flexible anchor clamps of centre gripping which characterized in that, anchor clamps include:
the upper telescopic mechanism (2) and the lower telescopic mechanism (2) comprise a sliding shaft (18), a first spring (21) and a first limit bolt assembly (15) which are vertically arranged, a workpiece to be installed can be sleeved at the bottom end of the sliding shaft (18), an adjusting jackscrew (14) is connected to the bottom of the sliding shaft (18) in a threaded mode, the first spring (21) is arranged inside the sliding shaft (18), the top of the sliding shaft (18) comprises a spring seat (19), the spring seat (19) is fixedly connected to the inside of the sliding shaft (18) and used for limiting the upper position of the first spring (21), a vertical through groove (13) is formed in the sliding shaft (18), the first end of the first limit bolt assembly (15) is connected with the bottom end of the first spring (21), the second end of the first limit bolt assembly (15) horizontally penetrates through the through groove (13) to extend out, and a positioning key (20) and a reverse rotation key (17) are sequentially fixed on the outer wall of the sliding shaft (18);
the telescopic clamping positioning detection mechanism (1) comprises a sliding guide sleeve (9), a guide plate (5), a limit screw (12), a second spring, a guide rod (11) and a positioning contact (8), wherein the sliding guide sleeve (9) is sleeved on the sliding guide sleeve (18), a first guide groove matched with the anti-rotation guide key (17) is formed in the inner wall of the sliding guide sleeve (9), a through hole for the first limit screw assembly (15) to pass through and be tightly matched with is formed in the first guide groove, the guide rod (11) is fixed on the sliding guide sleeve (9), the guide plate (5) is slidably arranged on the guide rod (11), the limit screw (12) passes through the guide plate (5) and is in threaded connection with the sliding guide sleeve (9), the second spring is sleeved on the limit screw (12) and two ends of the second spring respectively abut against the guide plate (5) and the sliding guide sleeve (9), the positioning contact (8) sequentially passes through the guide plate (5), the guide rod (11) and the guide sleeve (8) to face the end part of the workpiece (8) to be matched with the positioning hole; and
anti-rotation guiding mechanism (3), anti-rotation guiding mechanism (3) include second guide way (22), second slide rail (23), location mounting flange (24), second guide way (22) are fixed on external device, second slide rail (23) slip sets up in second guide way (22), location mounting flange (24) with second slide rail (23) fixed connection, the lower part holding of location mounting flange (24) the upper portion of sliding shaft (18) and inside be provided with locating key (20) matched with third guide way, the upper portion of location mounting flange (24) is used for connecting upper and lower actuating mechanism.
2. The clamp with locating detection and telescopic clamping according to claim 1, wherein the telescopic clamping locating detection mechanism (1) comprises a second limit bolt assembly (6), one end of the second limit bolt assembly (6) is fixed on the sliding guide sleeve (9), and the other end of the second limit bolt assembly (6) penetrates through the guide plate (5) to limit the position of the guide plate (5).
3. The clamp with locating detection and telescopic clamping according to claim 1, wherein the telescopic clamping locating detection mechanism (1) comprises a proximity switch assembly (10), the proximity switch assembly (10) is used for judging whether a locating hole of the workpiece is aligned with the locating contact (8) according to the change of the distance between the guide plate (5) and the sliding guide sleeve (9), and the proximity switch assembly (10) is in signal connection with the upper and lower driving mechanism.
4. Clamp with locating detection and clamping extension according to claim 1, characterized in that the material of the guide plate (5) is copper.
5. Clamp with locating detection and clamping telescopic function according to claim 1, characterized in that the sliding guide sleeve (9) is provided with a sliding bearing (7), the locating contact (8) passing through the sliding bearing (7).
6. The clamp with locating detection and telescopic clamping according to claim 1, wherein the telescopic clamping locating detection mechanism (1) comprises a locating screw (4), a screw hole communicated with the locating contact (8) is formed in the guide plate (5), the locating screw (4) is in threaded connection with the screw hole, and the locating screw (4) can abut against the locating contact (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639604.3A CN110238782B (en) | 2019-07-16 | 2019-07-16 | Clamp with locating detection and telescopic clamping functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639604.3A CN110238782B (en) | 2019-07-16 | 2019-07-16 | Clamp with locating detection and telescopic clamping functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110238782A CN110238782A (en) | 2019-09-17 |
| CN110238782B true CN110238782B (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910639604.3A Active CN110238782B (en) | 2019-07-16 | 2019-07-16 | Clamp with locating detection and telescopic clamping functions |
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| Country | Link |
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| CN (1) | CN110238782B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085960B (en) * | 2019-12-12 | 2024-03-19 | 沈阳兴华航空电器有限责任公司 | Semi-automatic assembly equipment and assembly method for straight tail accessory and connecting nut |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10315065A (en) * | 1997-05-19 | 1998-12-02 | Honda Motor Co Ltd | Press-in device for bearing |
| CN1912412A (en) * | 2005-08-08 | 2007-02-14 | 旭东机械(昆山)有限公司 | Bearing needle press device |
| CN103388630A (en) * | 2012-05-11 | 2013-11-13 | 万向钱潮股份有限公司 | Automatic assembling device for needle roller bearing |
| CN204525044U (en) * | 2015-04-20 | 2015-08-05 | 亿达日平机床有限公司 | A kind of Workpiece recognition device |
| CN105619054A (en) * | 2015-11-20 | 2016-06-01 | 浙江吉利罗佑发动机有限公司 | Needle bearing pressing device |
| CN207104807U (en) * | 2017-06-12 | 2018-03-16 | 浙江亚太机电股份有限公司 | Press drawn cup needle roller bearing frock |
| CN108098305A (en) * | 2018-02-13 | 2018-06-01 | 启东锦桥轴承有限公司 | The circlip press-loading device of needle bearing |
| CN207953107U (en) * | 2018-01-18 | 2018-10-12 | 杭州华星轴承有限公司 | A kind of pressing machine of global needle bearing |
| CN210361074U (en) * | 2019-07-16 | 2020-04-21 | 豪德机械（上海）有限公司 | Clamp with position finding detection function and clamping expansion function |
-
2019
- 2019-07-16 CN CN201910639604.3A patent/CN110238782B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10315065A (en) * | 1997-05-19 | 1998-12-02 | Honda Motor Co Ltd | Press-in device for bearing |
| CN1912412A (en) * | 2005-08-08 | 2007-02-14 | 旭东机械(昆山)有限公司 | Bearing needle press device |
| CN103388630A (en) * | 2012-05-11 | 2013-11-13 | 万向钱潮股份有限公司 | Automatic assembling device for needle roller bearing |
| CN204525044U (en) * | 2015-04-20 | 2015-08-05 | 亿达日平机床有限公司 | A kind of Workpiece recognition device |
| CN105619054A (en) * | 2015-11-20 | 2016-06-01 | 浙江吉利罗佑发动机有限公司 | Needle bearing pressing device |
| CN207104807U (en) * | 2017-06-12 | 2018-03-16 | 浙江亚太机电股份有限公司 | Press drawn cup needle roller bearing frock |
| CN207953107U (en) * | 2018-01-18 | 2018-10-12 | 杭州华星轴承有限公司 | A kind of pressing machine of global needle bearing |
| CN108098305A (en) * | 2018-02-13 | 2018-06-01 | 启东锦桥轴承有限公司 | The circlip press-loading device of needle bearing |
| CN210361074U (en) * | 2019-07-16 | 2020-04-21 | 豪德机械（上海）有限公司 | Clamp with position finding detection function and clamping expansion function |
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| CN110238782A (en) | 2019-09-17 |
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