CN113245958B - Quick clamping device for rack piston mill raceway of steering machine - Google Patents

Quick clamping device for rack piston mill raceway of steering machine Download PDF

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Publication number
CN113245958B
CN113245958B CN202110463125.8A CN202110463125A CN113245958B CN 113245958 B CN113245958 B CN 113245958B CN 202110463125 A CN202110463125 A CN 202110463125A CN 113245958 B CN113245958 B CN 113245958B
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China
Prior art keywords
fixed
thick bamboo
clamping section
plate
fixed plate
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CN202110463125.8A
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CN113245958A (en
Inventor
蔡国辉
蒙建华
刘湘萍
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Knorr Bremse DETC Commercial Vehicle Braking Technology Co Ltd
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Knorr Bremse DETC Commercial Vehicle Braking Technology Co Ltd
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Priority to CN202110463125.8A priority Critical patent/CN113245958B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/22Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation

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

Abstract

The utility model provides a quick clamping device of steering engine rack piston mill way, includes a clamping section of thick bamboo, a clamping section of thick bamboo includes a clamping section of thick bamboo body, a clamping section of thick bamboo body is suitable for loading into and waits to process the part, a clamping section of thick bamboo body's one end upside is open structure, articulated on the clamping section of thick bamboo body have hold-down mechanism, hold-down mechanism includes the fixed plate, the both sides of fixed plate all are fixed with the swinging boom, keep away from of swinging boom the one end of fixed plate with a clamping section of thick bamboo body articulates, the downside of fixed plate is fixed with the clamp plate, the clamp plate is suitable for compressing tightly and waits to process the part, the upside of fixed plate is provided with fixed module, fixed module be suitable for with the fixed plate is fixed. The quick clamping device for the rack piston mill raceway of the steering machine is simple to operate and high in clamping efficiency.

Description

Quick clamping device for rack piston mill raceway of steering machine
Technical Field
The invention relates to the technical field of tool clamps, in particular to a quick clamping device for a rack piston mill raceway of a steering machine.
Background
The power steering gear is an important part on the automobile and plays a vital role in the automobile steering performance and the safe running. The rack piston is one of the core parts of the power steering engine, and the quality and performance of the steering gear are directly affected by the machining precision. Therefore, the method has important significance for the machining process and the design of professional clamps when producing and machining the rack piston.
In the part clamping process, an operator needs to put a rack piston weighing ten jin into a cylindrical clamp body, and the sliding block moves downwards to clamp the part by contacting a clamping column with a part tooth slot through an inner hexagonal rotating screw rod so as to clamp the part at a part alignment position which rotates left and right. After the machining is finished, the sliding block is enabled to move upwards to loosen the part through the inner hexagonal rotating screw rod, and the part is taken out to finish the machining. The whole part clamping process consumes physical strength, and the labor intensity of placing the part into the cylindrical clamp body is high by bending the arm of the part by holding about ten jin of the part by hand during clamping. The clamping time is long, the part can be clamped only after ten circles of rotation, and the part can be loosened again and also rotated for ten circles, so that the time is long. In addition, in order to ensure the requirement of 0.03mm of the pitch of the inner roller path of the mill, the clearance between the body and the slide block can only be 0.01mm, so that the slide block is replaced regularly and realized by the matched mill in order to ensure the machining precision, and the maintenance cost is high and the difficulty is high. Therefore, a quick clamping device for a rack piston grinding track of a steering engine, which is simple to operate and high in clamping efficiency, is needed.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention provides the quick clamping device for the rack piston grinding track of the steering engine, which is simple to operate and high in clamping efficiency.
The technical scheme for solving the technical problems is as follows: the utility model provides a quick clamping device of steering engine rack piston mill way, includes a clamping section of thick bamboo, a clamping section of thick bamboo includes a clamping section of thick bamboo body, a clamping section of thick bamboo body is suitable for loading into and waits to process the part, a clamping section of thick bamboo body's one end upside is open structure, articulated on the clamping section of thick bamboo body have hold-down mechanism, hold-down mechanism includes the fixed plate, the both sides of fixed plate all are fixed with the swinging boom, keep away from of swinging boom the one end of fixed plate with a clamping section of thick bamboo body articulates, the downside of fixed plate is fixed with the clamp plate, the clamp plate is suitable for compressing tightly and waits to process the part, the upside of fixed plate is provided with fixed module, fixed module be suitable for with the fixed plate is fixed.
Preferably, the quick clamping device for the rack piston mill raceway of the steering machine, wherein a pressing plate is fixed at the top of the clamping cylinder body, the fixing module comprises a rotating shaft, the lower end of the rotating shaft is rotationally connected with the fixing plate, a pressing block is fixed on the outer portion of the rotating shaft, the bottom surface of the pressing block is slidably connected with the upper surface of the fixing plate, and the upper surface of the pressing block is suitable for being abutted to the lower surface of the pressing plate.
Preferably, in the rapid clamping device for the steering gear rack piston mill raceway, the outer edge of the pressing block is in an arc line shape and is in an unsealed arc shape.
Preferably, in the rapid clamping device for the rack piston mill raceway of the steering machine, the upper surface of the pressing block is an inclined surface.
Preferably, in the rapid clamping device for the rack piston grinding track of the steering gear, an included angle between the upper surface of the pressing block and the fixed plate is 4 degrees.
Preferably, in the quick clamping device for the steering gear rack piston grinding track, the lower end of the pressing plate is arc-shaped, a rack is arranged on the upper side of the part to be processed, and the lower end of the pressing plate is suitable for being clamped into a tooth gap of the rack and pressing the rack.
The beneficial effects of the invention are as follows: the upper side of the right end of the clamping cylinder body of the steering machine rack piston grinding roller way rapid clamping device adopts an open-type structural design, so that a part to be machined can be conveniently and rapidly placed in the steering machine rack piston grinding roller way rapid clamping device. During clamping, the rotating arm is turned over, the fixing plate is covered on the upper side of the part to be machined, the pressing plate is pressed on the upper surface of the part to be machined, the fixing rod is pushed to drive the rotating shaft to rotate and drive the pressing block to rotate, the extrusion force between the pressing block and the pressing plate in the rotating process is larger and larger, the part to be machined is pressed through the fixing plate and the pressing plate, and the arc-shaped structure at the lower end of the pressing plate is clamped into a tooth space and presses the rack. After the machining is finished, the fixing rod is reversely rotated to enable the pressing block to be separated from contact with the pressing plate, the fixing plate is lifted, and the part to be machined is taken out. The quick clamping device for the rack piston mill raceway of the steering machine is simple to operate and high in clamping efficiency.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a top view of the compression mechanism of FIG. 1;
FIG. 3 is a top view of the press block;
FIG. 4 is a rear view of the abutment block of FIG. 3;
fig. 5 is a perspective view of the cartridge.
In the drawings, the list of components represented by the various numbers is as follows:
1.2 parts to be machined, namely a machining table, a clamping cylinder, 21 parts to be machined, a first threaded hole, 22 parts to be machined, a clamping cylinder body, 23 parts to be machined, grooves, 24 parts to be machined, a second threaded hole, 3 parts to be machined, 4, racks, 5, a fixed plate, 6, a rotating arm, 7, a pressing plate, 8, a rotating shaft, 9, a fixed rod, 10, a pressing block, 11 and a pressing plate.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 and 5, the quick clamping device for the rack piston mill raceway of the steering machine comprises a clamping cylinder 2, wherein the clamping cylinder 2 comprises a clamping cylinder body 22, and the clamping cylinder body 22 is suitable for being filled with a part 3 to be processed. The inside of the clamping cylinder body 22 is of a hollow structure, and the upper side of one end of the clamping cylinder body 22 is of an open structure, so that the part 3 to be processed can be placed directly. When in use, the clamping cylinder 2 is fixed on the left processing table 1.
As shown in fig. 1,2 and 5, the clamping cylinder body 22 is hinged with a pressing mechanism, the pressing mechanism comprises a fixing plate 5, two sides of the fixing plate 5 are both fixed with rotating arms 6, and one end, far away from the fixing plate 5, of the rotating arms 6 is hinged with the clamping cylinder body 22. Grooves 23 are formed in two sides of the clamping cylinder body 22, second threaded holes 24 are formed in the side faces of the grooves 23, and the end portions of the rotating arms 6 are hinged to the clamping cylinder body 22 at the second threaded holes 24. The swivel arm can be placed in the recess 23 when swung to the horizontal.
As shown in fig. 1,2,3, and 4, the pressing plate 11 is welded and fixed to the lower side of the fixing plate 5. The pressing plate 11 is adapted to press the part to be processed 3 (the part to be processed is a rack piston), and a fixing module is arranged on the upper side of the fixing plate 5 and adapted to fix the fixing plate 5. The top of the clamping cylinder body 22 is fixed with a pressing plate 7, specifically, the top of the clamping cylinder body 22 is provided with four first threaded holes 21, and the pressing plate 7 is fixed at the top of the clamping cylinder body 22 through bolts. The fixed module comprises a rotating shaft 8, and the lower end of the rotating shaft 8 is rotationally connected with the fixed plate 5. An abutting block 10 is fixed to the outside of the rotary shaft 8, the bottom surface of the abutting block 10 is slidably connected to the upper surface of the fixed plate 5, and the upper surface of the abutting block 10 is adapted to abut against the lower surface of the pressing plate 7. The outer edge of the pressing block 10 is arc-shaped and is not closed arc-shaped. The upper surface of the pressing block 10 is an inclined plane, and the included angle between the upper surface of the pressing block 10 and the fixed plate 5 is 4 degrees. After the part 3 to be processed is put into the clamping cylinder 2, the rotating arm 6 is rotated, the fixing plate 5 is covered on the upper side of the part 3 to be processed, the pressing plate 11 is pressed on the upper surface of the part 3 to be processed, at the moment, the pressing plate 10 and the pressing plate 7 have no overlapping area, the rotating shaft 8 is driven to rotate and the pressing plate 10 is driven to rotate by pushing the fixing rod 9, the lower side of the pressing plate 10 is rotated into the lower side of the pressing plate 7, the overlapping area of the pressing plate 10 and the pressing plate 7 is larger and larger in the process of continuing rotation, and the pressing force between the pressing plate 10 and the pressing plate 7 is larger and larger, so that the part 3 to be processed is pressed through the fixing plate 5 and the pressing plate 11. The lower end of the pressing plate 11 is arc-shaped, the rack 4 is arranged on the upper side of the part 3 to be processed, and the lower end of the pressing plate 11 is convenient to clamp into the tooth gap of the rack 4 and compress the rack 4.
When the steering machine rack piston grinding track rapid clamping device is used for clamping a part, firstly, the part 3 to be machined is placed into the clamping cylinder 2, one side of the rack 4 is kept upwards, the rotating arm 6 is rotated, the fixing plate 5 is covered on the upper side of the part 3 to be machined, the pressing plate 11 is pressed on the upper surface of the part 3 to be machined, at the moment, the pressing block 10 and the pressing plate 7 have no overlapping area, the fixing rod 9 is pushed to drive the rotating shaft 8 to rotate and drive the pressing block 10 to rotate, the lower side of the pressing block 10 is rotated into the lower side of the pressing plate 7, the overlapping area of the pressing block 10 and the pressing plate 7 is larger and larger in the continuous rotation process, the pressing force between the pressing block 10 and the pressing plate 7 is larger and larger, so that the part 3 to be machined is tightly pressed through the fixing plate 5 and the pressing plate 11, and the rack 4 is clamped into a tooth gap through the arc-shaped structure at the lower end of the pressing plate 11. After the machining is finished, the fixing rod 9 is reversely rotated to enable the pressing block 10 to be separated from contact with the pressing plate 7, the fixing plate 5 is lifted, and the part 3 to be machined is taken out. The quick clamping device for the rack piston mill raceway of the steering machine is simple to operate and high in clamping efficiency.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (5)

1. A quick clamping device for a rack piston mill raceway of a steering machine is characterized in that: including clamping section of thick bamboo (2), hold-down mechanism and fixed module, clamping section of thick bamboo (2) include clamping section of thick bamboo body (22), clamping section of thick bamboo body (22) are suitable for to pack into wait to process part (3), clamping section of thick bamboo body (22) one end upside is open structure, hold-down mechanism with clamping section of thick bamboo body (22) are articulated, hold-down mechanism includes fixed plate (5), the both sides of fixed plate (5) all are fixed with swinging boom (6), the one end of swinging boom (6) keeping away from fixed plate (5) with clamping section of thick bamboo body (22) are articulated, the downside of fixed plate (5) is fixed with and supports clamp plate (11), support clamp plate (11) are suitable for compressing tightly to wait to process part (3), the fixed die set up in the upside of fixed plate (5) is used for with fixed plate (5), the top of clamping section of thick bamboo body (22) is fixed with clamp plate (7), the fixed module includes rotation axis (8), the lower extreme of rotation axis (8) with fixed plate (5) rotate and be connected, rotation axis (8) are fixed with on the outside briquetting (10) and are connected with the fixed briquetting (10), the upper surface of the pressing block (10) is suitable for being abutted with the lower surface of the pressing plate (7).
2. The quick clamping device for a rack piston raceway of a steering engine of claim 1, wherein: the outer edge of the pressing block (10) is in an arc line shape and is not closed arc shape.
3. The quick clamping device for a rack piston raceway of a steering engine of claim 1, wherein: the upper surface of the pressing block (10) is an inclined plane.
4. A quick clamping device for a rack and piston raceway of a steering engine as set forth in claim 3, wherein: the included angle between the upper surface of the pressing block (10) and the fixed plate (5) is 4 degrees.
5. The quick clamping device for a rack piston raceway of a steering engine of claim 1, wherein: the lower end of the pressing plate (11) is arc-shaped, a rack (4) is arranged on the upper side of the part to be processed (3), and the lower end of the pressing plate (11) is suitable for being clamped into a tooth gap of the rack (4) and tightly pressing the rack (4).
CN202110463125.8A 2021-04-27 2021-04-27 Quick clamping device for rack piston mill raceway of steering machine Active CN113245958B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110463125.8A CN113245958B (en) 2021-04-27 2021-04-27 Quick clamping device for rack piston mill raceway of steering machine

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Application Number Priority Date Filing Date Title
CN202110463125.8A CN113245958B (en) 2021-04-27 2021-04-27 Quick clamping device for rack piston mill raceway of steering machine

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CN113245958A CN113245958A (en) 2021-08-13
CN113245958B true CN113245958B (en) 2024-05-17

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009052552A1 (en) * 2007-10-25 2009-04-30 Bishop Innovation Limited Method and apparatus for manufacturing composite steering racks
CN102941532A (en) * 2012-10-25 2013-02-27 苏州市东立机械有限公司 Rack piston internal spiral rollaway nest clamp
CN206084867U (en) * 2016-08-25 2017-04-12 芜湖恒隆汽车转向系统有限公司 Rack and pinion steering gear rack assembly clamping device
CN207255714U (en) * 2017-09-01 2018-04-20 湖北丹江口志成铸造股份有限公司 A kind of milling face boring grab of cover board class product
CN207971867U (en) * 2017-12-29 2018-10-16 博世华域转向系统(武汉)有限公司 A kind of steering rack positioning device that can improve rack positioning accuracy
CN209755018U (en) * 2019-05-10 2019-12-10 湖北鸿路钢结构有限公司 Clamping device for installing track rack
CN111085736A (en) * 2019-12-30 2020-05-01 上海格尔汽车科技发展有限公司 Steering gear rack machining clamp and method
CN212095404U (en) * 2020-02-11 2020-12-08 东莞长盈精密技术有限公司 Clamp apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009052552A1 (en) * 2007-10-25 2009-04-30 Bishop Innovation Limited Method and apparatus for manufacturing composite steering racks
CN102941532A (en) * 2012-10-25 2013-02-27 苏州市东立机械有限公司 Rack piston internal spiral rollaway nest clamp
CN206084867U (en) * 2016-08-25 2017-04-12 芜湖恒隆汽车转向系统有限公司 Rack and pinion steering gear rack assembly clamping device
CN207255714U (en) * 2017-09-01 2018-04-20 湖北丹江口志成铸造股份有限公司 A kind of milling face boring grab of cover board class product
CN207971867U (en) * 2017-12-29 2018-10-16 博世华域转向系统(武汉)有限公司 A kind of steering rack positioning device that can improve rack positioning accuracy
CN209755018U (en) * 2019-05-10 2019-12-10 湖北鸿路钢结构有限公司 Clamping device for installing track rack
CN111085736A (en) * 2019-12-30 2020-05-01 上海格尔汽车科技发展有限公司 Steering gear rack machining clamp and method
CN212095404U (en) * 2020-02-11 2020-12-08 东莞长盈精密技术有限公司 Clamp apparatus

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