CN112296932A - Part throw-off locating pin lifting device - Google Patents
Part throw-off locating pin lifting device Download PDFInfo
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- CN112296932A CN112296932A CN202011196044.8A CN202011196044A CN112296932A CN 112296932 A CN112296932 A CN 112296932A CN 202011196044 A CN202011196044 A CN 202011196044A CN 112296932 A CN112296932 A CN 112296932A
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- Prior art keywords
- lifting
- face cam
- plate
- driven wheel
- connecting plate
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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
- 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
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- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a part disengaging positioning pin lifting device which comprises a clamp bottom plate, a base arranged on the clamp bottom plate, an end face cam arranged on the base and an upright post arranged in the middle of the end face cam, wherein the top end of the end face cam is provided with a connecting plate, and the end face cam is rotatably connected with the base through a bearing; a plurality of lifting plates for lifting or lowering parts are arranged on the periphery of the connecting plate; a plurality of driven wheel mechanisms are arranged below the connecting plate; the top end face of the end face cam is provided with a plurality of lifting grooves and a plurality of falling grooves, the lifting grooves are in transitional connection with the falling grooves through sliding faces, and the end face cam can rotate around the upright post under the action of external force so as to enable the driven wheel mechanism to move along the sliding faces of the end face cam to lift or fall parts. The part separating positioning pin lifting device is simple in structure and convenient to operate, and can lift or drop parts in a narrow space.
Description
Technical Field
The invention belongs to the technical field of parts of gearbox shells, and particularly relates to a part disengaging positioning pin lifting device.
Background
Currently, for the front/rear gearbox casings of a fourteen-speed gearbox casing, a manual jig is used to machine side holes on a horizontal machine. However, the above method has the following disadvantages: the weight of a part is 15-25 Kg, the part is limited by the conditions of a machine tool, a horizontal machining center is provided with a side opening door, the upper part of a workbench is semi-closed, the part lifting center is not positioned in the center of the workbench, vertical lifting cannot be realized, if the part lifting center is slightly lifted at an angle, a tilted pulling inclined lifting exists, a pin hole which is subjected to finish machining is easily damaged, the part is scrapped, the fit clearance between a positioning hole and the positioning hole is 0.004-0.014 mm, and the depth fit length is 8-13 mm. In order to avoid the rejection of the parts, the parts can be lifted only by hands of workers, and because the parts are produced in batches, the labor intensity of the workers is very high. Therefore, a lifting device needs to be additionally designed on the manual tool, but the height between the bottom plate and the positioning block of the manual clamp is only 52mm, the space is very narrow, and the lifting device which can meet the requirement in a narrow range needs to be designed.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a part separating positioning pin lifting device which has the advantages of simple structure, convenient operation and low cost and can lift or drop parts in a narrow space.
In order to achieve the purpose, the invention adopts the technical scheme that: a part separation positioning pin lifting device comprises a clamp bottom plate, a base arranged on the clamp bottom plate, an end face cam arranged on the base and an upright post arranged in the middle of the end face cam, wherein a connecting plate is arranged at the top end of the end face cam, and the end face cam is rotatably connected with the base through a bearing;
the bottom end of the upright column is fixedly connected with the base, the top of the upright column penetrates through the connecting plate, a bushing is arranged between the middle part of the upright column and the connecting plate, and a plurality of lifting plates for lifting or lowering parts are arranged around the connecting plate; a plurality of driven wheel mechanisms are arranged below the connecting plate;
the top end face of the end face cam is provided with a plurality of lifting grooves and a plurality of falling grooves, the lifting grooves are in transitional connection with the falling grooves through sliding faces, and the end face cam can rotate around the upright post under the action of external force so that the driven wheel mechanism moves along the sliding faces of the end face cam to lift or fall parts.
As a preferred embodiment, the lifting plate comprises a vertical plate, a horizontal mounting plate and a horizontal supporting plate, the horizontal mounting plate is arranged on one side of the top end of the vertical plate, and the horizontal supporting plate is arranged on the other side of the bottom end of the vertical plate opposite to the bottom end of the vertical plate; and the horizontal mounting plate is fixedly connected with the bottom end of the connecting plate.
Preferably, a plurality of guide mechanisms are further arranged below the connecting plate.
Preferably, the guide mechanism includes a guide post and a guide sleeve, the bottom end of the guide post is fixedly connected with the bottom plate of the clamp, the top end of the guide sleeve is fixedly connected with the bottom end of the lifting plate, and the lower end of the guide sleeve is sleeved on the guide post and can move up and down along the guide post.
In a preferred embodiment, the driven wheel mechanism includes a driven wheel support, a mounting shaft provided on the driven wheel support, and a driven wheel provided on the mounting shaft in a rolling manner.
In a preferred embodiment, one end of the mounting shaft is axially limited with one end of the driven wheel bracket through a shaft cap, and the other end of the mounting shaft penetrates through the other end of the driven wheel bracket and is locked through a nut.
In a preferred embodiment, a spring washer is further sleeved on the mounting shaft between the nut and the outer wall of the driven wheel bracket.
Preferably, the end face cam is provided with a handle at its periphery, and the handle can drive the end face cam to rotate around the upright post under the action of external force.
Preferably, the fixture bottom plate is provided with a plurality of positioning blocks for positioning the parts.
As a preferred embodiment, a plurality of positioning pins matched with the positioning holes on the part are arranged on the clamp bottom plate.
In a preferred embodiment, the raised height of the raised plate is in the range of 0 to 25 mm.
Preferably, the rotation angle of the handle ranges from 0 to 50 °
Compared with the prior art, the method has the following beneficial effects:
firstly, the part separating positioning pin lifting device rotates around the upright post by rotating the end face cam, so that the lifting plate can vertically move up and down along the guide post, and the part can be lifted or dropped in a narrow space.
Secondly, the part releasing positioning pin lifting device is simple in structure, convenient to operate, labor-saving to operate, flexible in mechanism lifting and stable and reliable in falling, and the requirement that a manual clamp can lift and fall parts in a narrow space is completely met through physical application.
Thirdly, the part releasing positioning pin lifting device is provided with a bearing between the base and the end face cam, so that the lifting mechanism is flexible in rotation and convenient to operate.
Fourthly, the part releasing positioning pin lifting device is provided with a guide mechanism, the lifting and the falling of the lifting device are realized through the rotation of the end face cam, and the lifting and the falling are stable and reliable through a lifting groove and a falling groove which are arranged on the end face cam.
Drawings
FIG. 1 is a schematic view of a disassembled structure of a part release pin lifting device;
FIG. 2 is a schematic structural view of the lifting plate, the driven wheel mechanism and the guide mechanism;
FIG. 3 is a schematic view of the arrangement mechanism of the driven wheel mechanism and the guide mechanism;
FIG. 4 is an enlarged schematic view of the end cam;
FIG. 5 is an enlarged schematic view of the driven wheel mechanism;
FIG. 6 is a schematic view of the component in a raised state;
FIG. 7 is a schematic view of the structure of the part in a lowered state;
in the figure, 1-clamp bottom plate, 2-base, 3-end cam, 3.1-lifting groove, 3.2-falling groove, 3.3-sliding surface, 4-upright post, 5-connecting plate, 6-bearing, 7-bushing, 8-part, 9-lifting plate, 9.1-vertical plate, 9.2-horizontal mounting plate, 9.3-horizontal supporting plate, 10-driven wheel mechanism, 10.1-driven wheel bracket, 10.2-mounting shaft, 10.21-shaft cap, 10.3-driven wheel, 10.4-nut, 10.5-spring washer, 11-guide mechanism, 11.1-guide post, 11.2-guide sleeve, 12-handle, 13-positioning block and 14-positioning pin.
Detailed Description
The present invention will be described in further detail with reference to specific examples to facilitate the clear understanding of the invention, but the present invention is not limited thereto.
A part release positioning pin lifting device as shown in fig. 1, characterized in that: the clamp comprises a clamp bottom plate 1, a base 2 arranged on the clamp bottom plate 1, an end face cam 3 arranged on the base 2 and an upright post 4 arranged in the middle of the end face cam 3, wherein a connecting plate 5 is arranged at the top end of the end face cam 3, and the end face cam 3 is rotatably connected with the base 2 through a bearing 6; the bottom end of the upright post 4 is fixedly connected with the base 2, the top of the upright post 4 penetrates through the connecting plate 5, a bushing 7 is arranged between the middle part of the upright post 4 and the connecting plate 5, and a plurality of lifting plates 9 used for lifting or lowering a part 8 are arranged on the periphery of the connecting plate 5; a plurality of driven wheel mechanisms 10 are arranged below the connecting plate 5.
The top end face of the end face cam 3 is provided with a plurality of lifting grooves 3.1 and a plurality of falling grooves 3.2, and the lifting grooves 3.1 and the falling grooves 3.2 are in transition connection through sliding surfaces 3.3, as shown in fig. 4. The face cam 3 can be rotated about the upright 4 under the influence of an external force, so that the follower wheel mechanism 10 moves along the running surface 3.3 of the face cam 3 in order to lift or lower the component 8. In the embodiment, the end face cam 3 is made of low-carbon steel, the machining process comprises the steps of turning an inner hole of an outer circle, leaving a carbon layer for allowance, machining a cam working surface by using a horizontal machining center, carburizing, removing a carbon layer, quenching HRC50-60 flange, and polishing. The periphery of the end face cam 3 is provided with a handle 12, and the handle 12 can drive the end face cam 3 to rotate around the upright post 4 under the action of external force. The fixture comprises a fixture base plate 1 and is characterized in that a plurality of positioning blocks 13 used for positioning a part 8 are arranged on the fixture base plate 1, and a plurality of positioning pins 14 matched with the positioning holes in the part 8 are arranged on the fixture base plate 1.
As shown in fig. 2, the lifting plate 9 includes a vertical plate 9.1, a horizontal mounting plate 9.2 and a horizontal supporting plate 9.3, the horizontal mounting plate 9.2 is disposed on one side of the top end of the vertical plate 9.1, and the horizontal supporting plate 9.3 is disposed on the opposite side of the bottom end of the vertical plate 9.1; and the horizontal mounting plate 9.2 is fixedly connected with the bottom end of the connecting plate 5. The height of the lifting plate can be set and manufactured according to different requirements.
As shown in fig. 2 and 3, a plurality of guide mechanisms 11 are further arranged below the connecting plate 5; the guide mechanism 11 comprises a guide post 11.1 and a guide sleeve 11.2, the bottom end of the guide post 11.1 is fixedly connected with the clamp bottom plate 1, the top end of the guide sleeve 11.2 is fixedly connected with the bottom end of the lifting plate 9, and the lower end of the guide sleeve 11.2 is sleeved on the guide post 11.1 and can move along the vertical direction thereof. The guide mechanism 11 can move up and down, and plays a role in guiding, so that the lifting and the falling are more stable and the guiding is reliable.
As shown in fig. 5, the driven wheel mechanism 10 includes a driven wheel support 10.1, a mounting shaft 10.2 provided on the driven wheel support 10.1, and a driven wheel 10.3 provided on the mounting shaft 10.2 in a rolling manner. The top end of the driven wheel bracket 10.1 is fixedly connected with the bottom end of the connecting plate 5, and the driven wheel 10.3 is used for sliding on the sliding surface 3.3 between the lifting groove 3.1 and the falling groove 3.2. One end of the mounting shaft 10.2 is axially limited with one end of the driven wheel support 10.1 through a shaft cap 10.21, and the other end of the mounting shaft 10.2 penetrates through the other end of the driven wheel support 10.1 and is locked through a nut 10.4. And a spring washer 10.5 is further sleeved between the nut 10.4 and the outer wall of the driven wheel bracket 10.1 on the mounting shaft 10.2. In this embodiment, the driven wheel 10.3 may be a needle bearing.
The working principle of the part disengaging positioning pin lifting device of the invention is as follows:
the lifting process comprises the following steps: after the parts are machined, the end face cam 3 is driven to rotate around the upright post 4 by the left-right rotation of the manual carrying handle 12, the driven wheel mechanism 10 moves along the sliding surface of the end face cam 3 and moves from the falling groove 3.2 to the lifting groove 3.1, the lifting plate 9 is vertically moved through the guide sleeve 11.2 and the guide post 11.1, and therefore the parts are lifted from the horizontal position, as shown in fig. 6, and then the parts are lifted out through the lifting appliance;
(II) a falling process: the gearbox front/rear shell part is placed on the lifting plate through a lifting appliance, the driven wheel mechanism 10 is separated from the position of a lifting groove 3.1 of the end face cam 3 and descends to the position of a descending groove 3.2 of the end face cam 3 along the sliding surface 3.3 of the end face cam 3 through the carrying handle 12 rotating anticlockwise, the positioning hole of the gearbox front/rear shell part falls into the positioning pin through the guiding part of the positioning pin, the part horizontal descending is achieved, and as shown in fig. 7, the horizontal machining center is started to conduct machining after the part is clamped reliably.
The part separating positioning pin lifting device drives the end face cam to rotate around the upright post, so that the lifting plate vertically moves up and down along the guide post, and the lifting of the falling part in a narrow space is realized. The lifting mechanism is simple in structure, convenient to operate, labor-saving in operation, flexible in lifting and stable and reliable in falling. The manual clamp can be completely realized in a narrow space through material object application, and the parts can be lifted up and fallen down.
The above description is only for the specific embodiments of the present invention, and it should be noted that the remaining detailed descriptions are related to the prior art, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. A part breaks away from locating pin and lifts up device which characterized in that: the clamp comprises a clamp bottom plate (1), a base (2) arranged on the clamp bottom plate (1), an end face cam (3) arranged on the base (2) and an upright post (4) arranged in the middle of the end face cam (3), wherein a connecting plate (5) is arranged at the top end of the end face cam (3), and the end face cam (3) is rotatably connected with the base (2) through a bearing (6);
the bottom end of the upright post (4) is fixedly connected with the base (2), the top of the upright post (4) penetrates through the connecting plate (5), a bushing (7) is arranged between the middle part of the upright post (4) and the connecting plate (5), and a plurality of lifting plates (9) used for lifting or lowering parts (8) are arranged around the connecting plate (5); a plurality of driven wheel mechanisms (10) are arranged below the connecting plate (5);
the top end face of the end face cam (3) is provided with a plurality of lifting grooves (3.1) and a plurality of falling grooves (3.2), the lifting grooves (3.1) are in transitional connection with the falling grooves (3.2) through sliding faces (3.3), and the end face cam (3) can rotate around the upright post (4) under the action of external force, so that the driven wheel mechanism (10) moves along the sliding faces (3.3) of the end face cam (3) to lift or fall a part (8).
2. The part release dowel lifting apparatus of claim 1, wherein: the lifting plate (9) comprises a vertical plate (9.1), a horizontal mounting plate (9.2) and a horizontal supporting plate (9.3), the horizontal mounting plate (9.2) is arranged on one side of the top end of the vertical plate (9.1), and the horizontal supporting plate (9.3) is arranged on the other side, opposite to the bottom end of the vertical plate (9.1); the horizontal mounting plate (9.2) is fixedly connected with the bottom end of the connecting plate (5).
3. The part release dowel lifting apparatus of claim 1, wherein: a plurality of guide mechanisms (11) are further arranged below the connecting plate (5).
4. The part release dowel lifting apparatus of claim 3, wherein: guiding mechanism (11) include guide post (11.1) and uide bushing (11.2), the bottom and anchor clamps bottom plate (1) fixed connection of guide post (11.1), the top and the bottom fixed connection who lifts up board (9) of uide bushing (11.2), the lower pot head of uide bushing (11.2) is established and can be followed its flagging motion on guide post (11.1).
5. The part release positioning pin lifting device according to any one of claims 1 to 4, wherein: the driven wheel mechanism (10) comprises a driven wheel support (10.1), an installation shaft (10.2) arranged on the driven wheel support (10.1), and a driven wheel (10.3) arranged on the installation shaft (10.2) in a rolling mode.
6. The part release dowel lifting apparatus of claim 5, wherein: one end of the mounting shaft (10.2) is axially limited with one end of the driven wheel support (10.1) through a shaft cap (10.21), and the other end of the mounting shaft (10.2) penetrates through the other end of the driven wheel support (10.1) and is locked through a nut (10.4).
7. The part release dowel lifting apparatus of claim 6, wherein: the mounting shaft (10.2) is positioned between the nut (10.4) and the outer wall of the driven wheel bracket (10.1) and is further sleeved with a spring washer (10.5).
8. The part release positioning pin lifting device according to any one of claims 1 to 4, wherein: the periphery of the end face cam (3) is provided with a handle (12), and the handle (12) can drive the end face cam (3) to rotate around the upright post (4) under the action of external force.
9. The part release positioning pin lifting device according to any one of claims 1 to 4, wherein: the fixture base plate (1) is provided with a plurality of positioning blocks (13) for positioning the parts (8).
10. The part release positioning pin lifting device according to any one of claims 1 to 4, wherein: and a plurality of positioning pins (14) matched with the positioning holes in the part (8) are arranged on the clamp bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011196044.8A CN112296932B (en) | 2020-10-30 | 2020-10-30 | Part throw-off locating pin lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011196044.8A CN112296932B (en) | 2020-10-30 | 2020-10-30 | Part throw-off locating pin lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112296932A true CN112296932A (en) | 2021-02-02 |
| CN112296932B CN112296932B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011196044.8A Active CN112296932B (en) | 2020-10-30 | 2020-10-30 | Part throw-off locating pin lifting device |
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| CN (1) | CN112296932B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201445219U (en) * | 2009-07-28 | 2010-05-05 | 西安科技大学 | Rotary lifting show shelf |
| JP2011032015A (en) * | 2009-07-30 | 2011-02-17 | Daifuku Co Ltd | Lifting device |
| CN102020221A (en) * | 2010-04-14 | 2011-04-20 | 株式会社吉田铁工所 | Lifting device |
| CN103879731A (en) * | 2014-03-07 | 2014-06-25 | 安徽合力股份有限公司 | Weight tray lifting and positioning device for forklift gearbox assembling |
| CN204264973U (en) * | 2014-10-28 | 2015-04-15 | 大连豪森设备制造有限公司 | Cam-type lifts registration device |
| CN105643244A (en) * | 2016-02-26 | 2016-06-08 | 安徽合力股份有限公司 | Combined pressing device for online assembly of forklift gearbox |
| CN110921291A (en) * | 2019-11-25 | 2020-03-27 | 广州华研制药设备有限公司 | Star wheel conveying mechanism |
| CN210557785U (en) * | 2019-07-28 | 2020-05-19 | 大连友邦自动化设备有限公司 | Large-distance lifting device in narrow space |
-
2020
- 2020-10-30 CN CN202011196044.8A patent/CN112296932B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201445219U (en) * | 2009-07-28 | 2010-05-05 | 西安科技大学 | Rotary lifting show shelf |
| JP2011032015A (en) * | 2009-07-30 | 2011-02-17 | Daifuku Co Ltd | Lifting device |
| CN102020221A (en) * | 2010-04-14 | 2011-04-20 | 株式会社吉田铁工所 | Lifting device |
| CN103879731A (en) * | 2014-03-07 | 2014-06-25 | 安徽合力股份有限公司 | Weight tray lifting and positioning device for forklift gearbox assembling |
| CN204264973U (en) * | 2014-10-28 | 2015-04-15 | 大连豪森设备制造有限公司 | Cam-type lifts registration device |
| CN105643244A (en) * | 2016-02-26 | 2016-06-08 | 安徽合力股份有限公司 | Combined pressing device for online assembly of forklift gearbox |
| CN210557785U (en) * | 2019-07-28 | 2020-05-19 | 大连友邦自动化设备有限公司 | Large-distance lifting device in narrow space |
| CN110921291A (en) * | 2019-11-25 | 2020-03-27 | 广州华研制药设备有限公司 | Star wheel conveying mechanism |
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| Publication number | Publication date |
|---|---|
| CN112296932B (en) | 2022-05-03 |
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Effective date of registration: 20220715 Address after: 442000 No. 2 Guangdong Road, Shiyan City, Hubei Province Patentee after: DONGFENG AUTOMOBILE CHASSIS SYSTEM Co.,Ltd. Address before: 442022 No.20, Zhaojiagou community, TIYU Road, Zhangwan District, Shiyan City, Hubei Province Patentee before: DONGFENG EQUIPMENT MANUFACTURING Co.,Ltd. |