CN106736764A - A kind of clamping locking device of machine components processing stabilization - Google Patents
A kind of clamping locking device of machine components processing stabilization Download PDFInfo
- Publication number
- CN106736764A CN106736764A CN201710120137.4A CN201710120137A CN106736764A CN 106736764 A CN106736764 A CN 106736764A CN 201710120137 A CN201710120137 A CN 201710120137A CN 106736764 A CN106736764 A CN 106736764A
- Authority
- CN
- China
- Prior art keywords
- workbench
- push pedal
- preceding surface
- machine components
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Abstract
The present invention relates to part processing technique field, and disclose a kind of clamping locking device of machine components processing stabilization, including mounting platform, the preceding surface left side of the mounting platform is installed with slide rail mounting seat, the fixed rack on the preceding surface of mounting platform is installed with the right side of the slide rail mounting seat, workbench is installed with the preceding surface of the fixed rack, the preceding surface crown of the workbench is installed with upper cylinder, the bottom of the upper cylinder is installed with the upper piston rod on the preceding surface of workbench, the bottom of the upper piston rod is installed with the upper push pedal on the preceding surface of workbench, the bottom of the upper push pedal is installed with the fixing device on the preceding surface of workbench.The clamping locking device of machine components processing stabilization, can effectively clamp machine components and bring the good advantage of stablizing effect, and be not in the problem that part easily drops.
Description
Technical field
The present invention relates to part processing technique field, the clamping locking dress of specially a kind of machine components processing stabilization
Put.
Background technology
The primary element for constituting machinery is called machine components, and machine components, also known as mechanical organ, are composition machinery and machine
The single product that can not be decoupled, it be machinery elementary cell, since occur machinery, just have corresponding machine components, but
Used as a subject, machine components are separated from mechanical tectonics and mechanics.
Existing machine components are changed with locking device mainly for the aspect such as be easy for installation and removal in the market
Enter, a kind of locking device for machine components processing that such as U of Chinese patent CN 205290433 are provided, with convenient use
The advantages of with convenient dismounting, but the locking device occurs that locking device stability is bad in actual use, and middle part
Clamping device clamping dynamics occurs not enough so as to the problem that part drops occur, so propose that a kind of processing of machine components is used
The clamping locking device of stabilization solves the problems, such as above-mentioned proposition.
The content of the invention
(One)The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of clamping locking device of machine components processing stabilization, possess
Clamping and locking good stability the advantages of, solve in the market it is existing clamping locking device occur stability it is bad and
Clamping dynamics not enough causes the problem that part drops.
(Two)Technical scheme
To realize above-mentioned clamping and locking good stability purpose, the present invention provides following technical scheme:A kind of machine components processing
With the clamping locking device of stabilization, including mounting platform, the preceding surface left side of the mounting platform is installed with slide rail installation
Seat, is installed with the fixed rack on the preceding surface of mounting platform, the fixed rack on the right side of the slide rail mounting seat
Preceding surface on be installed with workbench, the preceding surface crown of the workbench is installed with upper cylinder, it is described on
The bottom of cylinder is installed with the upper piston rod on the preceding surface of workbench, the bottom fixed installation of the upper piston rod
The bottom for having the upper push pedal on the preceding surface of workbench, the upper push pedal is installed with the preceding surface of workbench
Fixing device, the bottom of the fixing device is installed with the lower push pedal on the preceding surface of workbench, it is described under push away
The bottom of plate is installed with the lower piston rod on the preceding surface of workbench, and the bottom of the lower piston rod is installed with
Lower cylinder on the preceding surface of workbench, is installed with workbench on the outside of the upper cylinder and lower cylinder
Top of chamber and the installing plate of bottom, offer the first chute on the installing plate, slip is installed with first chute
Push pedal, through the fore-set having positioned at installing plate inner chamber in the slip push pedal.
The second chute positioned at workbench inner chamber is offered on the outside of the fixed rack.
Preferably, the fixing device includes upper junction plate, and the bottom of the upper junction plate is installed with liner bar,
The bottom of the liner bar is socketed with outer loop bar, and the bottom of the outer loop bar is installed with lower connecting plate, the liner bar and
Inside casing circle is installed with the inside of outer loop bar, reciprocal spring, the reciprocal spring are installed with the inside of the inside casing circle
Inner side be installed with interior retainer plate.
Preferably, the annexation of the mounting platform and slide rail mounting seat is welding, the slide rail mounting seat and fixation
The quantity of slide rail is two, and the annexation of the slide rail mounting seat and fixed rack is welding, the slide rail mounting seat and
Fixed rack is symmetrical as symmetry axis with the transversal centerline of workbench.
Preferably, the welded top of the bottom of the upper push pedal and upper junction plate, the top of the lower push pedal and lower connection
The bottom welding of plate.
Preferably, the quantity of the reciprocal spring is no less than eight, and the reciprocal spring is distributed in interior retainer plate in a ring
Outside and inside casing circle inner side, the outside of the reciprocal spring welds with the inner side of inside casing circle, the inner side of the reciprocal spring
Weld in outside with interior retainer plate.
Preferably, the installing plate, the first chute, the quantity for sliding push pedal and fore-set are four, the installing plate, the
One chute, slip push pedal and fore-set are symmetrical as symmetry axis with the transversal centerline of workbench.
(Three)Beneficial effect
Compared with prior art, the invention provides a kind of clamping locking device of machine components processing stabilization, possess following
Beneficial effect:
1st, the machine components processing stabilization clamping locking device, by set the upper cylinder on workbench, upper piston rod,
Upper push pedal, fixing device, lower push pedal, the structure connection between lower piston rod and lower cylinder, cylindrical parts can be effectively ensured can
With stabilization be clamped in center section, by the upper junction plate in fixing device and fixing device, liner bar, outer loop bar, under
Structure connection between connecting plate, inside casing circle and reciprocal spring, can effectively clamp machine components and bring good excellent of stablizing effect
Point, and be not in the problem that part easily drops.
2nd, the clamping locking device of machine components processing stabilization, by setting the installing plate on workbench, first
Chute, the structure slided between push pedal and fore-set are connected, and can be effectively ensured and be locked machine components, and installing plate, first
The quantity of chute, slip push pedal and fore-set is four, in being distributed two-by-two, enhances the stability of lock function.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is schematic rear view of the present invention;
Fig. 3 is the structural representation of fixing device of the present invention.
In figure:1 mounting platform, 2 slide rail mounting seats, 3 fixed racks, 4 workbenches, 5 upper cylinders, 6 upper piston rods, on 7
Push pedal, 8 fixing devices, 81 upper junction plates, 82 liner bars, 83 outer loop bars, 84 lower connecting plates, 85 inside casing circles, 86 reciprocal springs, 9
Push pedal, 15 fore-sets, 16 second chutes are slided in lower push pedal, 10 lower piston rods, 11 lower cylinders, 12 installing plates, 13 first chutes, 14.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme:A kind of clamping locking dress of machine components processing stabilization
Put, including mounting platform 1, the preceding surface left side of mounting platform 1 is installed with slide rail mounting seat 2, the right side of slide rail mounting seat 2
The fixed rack 3 on the preceding surface of mounting platform 1 is installed with, work is installed with the preceding surface of fixed rack 3
To weld, the quantity of slide rail mounting seat 2 and fixed rack 3 is the annexation of platform 4, mounting platform 1 and slide rail mounting seat 2
Two, the annexation of slide rail mounting seat 2 and fixed rack 3 is welding, and slide rail mounting seat 2 and fixed rack 3 are with workbench 4
Transversal centerline for symmetry axis it is symmetrical, the preceding surface crown of workbench 4 is installed with upper cylinder 5, the bottom of upper cylinder 5
Portion is installed with the upper piston rod 6 on the preceding surface of workbench 4, and the bottom of upper piston rod 6 is installed with positioned at work
Make the upper push pedal 7 on the preceding surface of platform 4, the bottom of upper push pedal 7 and the welded top of upper junction plate 81, the top of lower push pedal 9 and
The bottom welding of lower connecting plate 84, the bottom of upper push pedal 7 is installed with the fixing device 8 on the preceding surface of workbench 4,
Fixing device 8 includes upper junction plate 81, and the bottom of upper junction plate 81 is installed with liner bar 82, the bottom set of liner bar 82
It is connected to outer loop bar 83, the bottom of outer loop bar 83 is installed with lower connecting plate 84, the inner side of liner bar 82 and outer loop bar 83 is fixed
Inside casing circle 85 is installed, the inner side of inside casing circle 85 is installed with reciprocal spring 86, and the quantity of reciprocal spring 86 is no less than eight,
Reciprocal spring 86 is distributed in the outside of interior retainer plate 87 and the inner side of inside casing circle 85, the outside of reciprocal spring 86 and inside casing in a ring
The inner side welding of circle 85, the inner side of reciprocal spring 86 is welded with the outside of interior retainer plate 87, upper on workbench 4 by setting
Structure connection between cylinder 5, upper piston rod 6, upper push pedal 7, fixing device 8, lower push pedal 9, lower piston rod 10 and lower cylinder 11,
Cylindrical parts can be effectively ensured stably can be clamped in center section, by upper in fixing device 8 and fixing device 8
Structure connection between connecting plate 81, liner bar 82, outer loop bar 83, lower connecting plate 84, inside casing circle 85 and reciprocal spring 86, can be with
Effectively clamp machine components and bring the good advantage of stablizing effect, and be not in problem that part easily drops, reciprocal spring 86
Inner side is installed with interior retainer plate 87, and the bottom of fixing device 8 pushes away under being installed with the preceding surface of workbench 4
Plate 9, the bottom of lower push pedal 9 is installed with the lower piston rod 10 on the preceding surface of workbench 4, the bottom of lower piston rod 10
It is installed with the lower cylinder 11 on the preceding surface of workbench 4, the outside of upper cylinder 5 and lower cylinder 11 is installed with position
In the installing plate 12 of the inner cavity top of workbench 4 and bottom, the first chute 13 is offered on installing plate 12, it is solid in the first chute 13
Dingan County is slided through the fore-set 15 having positioned at the inner chamber of installing plate 12 in push pedal 14 equipped with push pedal 14 is slided, and installing plate 12, first is slided
The quantity of groove 13, slip push pedal 14 and fore-set 15 is four, installing plate 12, the first chute 13, slip push pedal 14 and fore-set 15
It is symmetrical as symmetry axis with the transversal centerline of workbench 4, by setting the installing plate 12 on workbench 4, the first chute
13rd, the structure connection between push pedal 14 and fore-set 15 is slided, can be effectively ensured and be locked machine components, and installing plate 12,
The quantity of the first chute 13, slip push pedal 14 and fore-set 15 is four, in being distributed two-by-two, enhances the stability of lock function.
The outside of fixed rack 3 offers the second chute 16 positioned at the inner chamber of workbench 4.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V civil powers, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In sum, the clamping locking device of machine components processing stabilization, by setting the upper gas on workbench 4
Structure connection between cylinder 5, upper piston rod 6, upper push pedal 7, fixing device 8, lower push pedal 9, lower piston rod 10 and lower cylinder 11, can
Center section stably can be clamped in so that cylindrical parts are effectively ensured, by the upper company in fixing device 8 and fixing device 8
Structure connection between fishplate bar 81, liner bar 82, outer loop bar 83, lower connecting plate 84, inside casing circle 85 and reciprocal spring 86, Ke Yiyou
Effect is clamped machine components and brings the good advantage of stablizing effect, and is not in the problem that part easily drops, flat by setting work
Installing plate 12, the first chute 13 on platform 4, the structure connection between slip push pedal 14 and fore-set 15, can be effectively ensured machine
Tool part is locked, and installing plate 12, the first chute 13, the quantity of sliding push pedal 14 and fore-set 15 are four, in being distributed two-by-two,
The stability of lock function is enhanced, existing clamping locking device in the market is solved and is occurred that stability is bad and presss from both sides
Holding force degree not enough causes the problem that part drops.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (6)
1. a kind of clamping locking device of machine components processing stabilization, including mounting platform(1), it is characterised in that:The peace
Assembling platform(1)Preceding surface left side be installed with slide rail mounting seat(2), the slide rail mounting seat(2)Right side fixed installation
Have positioned at mounting platform(1)Fixed rack on preceding surface(3), the fixed rack(3)Preceding surface on be installed with work
Make platform(4), the workbench(4)Preceding surface crown be installed with upper cylinder(5), the upper cylinder(5)Bottom
It is installed with positioned at workbench(4)Upper piston rod on preceding surface(6), the upper piston rod(6)Bottom fixed installation
Have positioned at workbench(4)Upper push pedal on preceding surface(7), the upper push pedal(7)Bottom be installed with it is flat positioned at work
Platform(4)Fixing device on preceding surface(8), the fixing device(8)Bottom be installed with positioned at workbench(4)Preceding table
Lower push pedal on face(9), the lower push pedal(9)Bottom be installed with positioned at workbench(4)Lower piston on preceding surface
Bar(10), the lower piston rod(10)Bottom be installed with positioned at workbench(4)Lower cylinder on preceding surface(11), institute
State upper cylinder(5)And lower cylinder(11)Outside be installed with positioned at workbench(4)Inner cavity top and the installing plate of bottom
(12), the installing plate(12)On offer the first chute(13), first chute(13)Inside it is installed with slip push pedal
(14), the slip push pedal(14)Above running through has positioned at installing plate(12)The fore-set of inner chamber(15);
The fixed rack(3)Outside offer positioned at workbench(4)Second chute of inner chamber(16).
2. the clamping locking device that a kind of machine components processing according to claim 1 is stablized, it is characterised in that:It is described
Fixing device(8)Include upper junction plate(81), the upper junction plate(81)Bottom be installed with liner bar(82), it is described
Liner bar(82)Bottom be socketed with outer loop bar(83), the outer loop bar(83)Bottom be installed with lower connecting plate(84),
The liner bar(82)With outer loop bar(83)Inner side be installed with inside casing circle(85), the inside casing circle(85)Inner side fix
Reciprocal spring is installed(86), the reciprocal spring(86)Inner side be installed with interior retainer plate(87).
3. the clamping locking device that a kind of machine components processing according to claim 1 is stablized, it is characterised in that:It is described
Mounting platform(1)With slide rail mounting seat(2)Annexation for welding, the slide rail mounting seat(2)And fixed rack(3)Number
Amount is two, the slide rail mounting seat(2)And fixed rack(3)Annexation for welding, the slide rail mounting seat(2)With
Fixed rack(3)With workbench(4)Transversal centerline for symmetry axis it is symmetrical.
4. the clamping locking device that a kind of machine components processing according to claim 1 and 2 is stablized, it is characterised in that:
The upper push pedal(7)Bottom and upper junction plate(81)Welded top, the lower push pedal(9)Top and lower connecting plate(84)
Bottom welding.
5. the clamping locking device that a kind of machine components processing according to claim 2 is stablized, it is characterised in that:It is described
Reciprocal spring(86)Quantity be no less than eight, the reciprocal spring(86)Interior retainer plate is distributed in a ring(87)Outside and
Inside casing circle(85)Inner side, the reciprocal spring(86)Outside and inside casing circle(85)Inner side welding, the reciprocal spring
(86)Inner side and interior retainer plate(87)Outside welding.
6. the clamping locking device that a kind of machine components processing according to claim 1 is stablized, it is characterised in that:It is described
Installing plate(12), the first chute(13), slide push pedal(14)And fore-set(15)Quantity be four, the installing plate(12)、
First chute(13), slide push pedal(14)And fore-set(15)With workbench(4)Transversal centerline for symmetry axis it is symmetrical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710120137.4A CN106736764A (en) | 2017-03-02 | 2017-03-02 | A kind of clamping locking device of machine components processing stabilization |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710120137.4A CN106736764A (en) | 2017-03-02 | 2017-03-02 | A kind of clamping locking device of machine components processing stabilization |
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Publication Number | Publication Date |
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CN106736764A true CN106736764A (en) | 2017-05-31 |
Family
ID=58959135
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CN201710120137.4A Pending CN106736764A (en) | 2017-03-02 | 2017-03-02 | A kind of clamping locking device of machine components processing stabilization |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109665114A (en) * | 2018-12-03 | 2019-04-23 | 李园园 | A kind of unmanned machine head of pair of seawater sampling |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201329511Y (en) * | 2009-01-15 | 2009-10-21 | 上海交通大学 | External surface circle float clamp for turning process of inner wall of thin-wall cylinder |
CN201998339U (en) * | 2010-12-30 | 2011-10-05 | 中钢集团洛阳耐火材料研究院有限公司 | Movable working platform for drill-grind dual function machine |
CN202271298U (en) * | 2011-10-31 | 2012-06-13 | 郁祥林 | Stationary fixture |
CN103084998A (en) * | 2011-10-31 | 2013-05-08 | 郁祥林 | Fixture |
CN103612955A (en) * | 2013-11-29 | 2014-03-05 | 苏州骏熠纺织有限公司 | Reinforcing ring for spinning |
EP2382414B1 (en) * | 2009-01-12 | 2015-11-11 | Krausz Industries Development Ltd. | Pipe grip ring |
-
2017
- 2017-03-02 CN CN201710120137.4A patent/CN106736764A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2382414B1 (en) * | 2009-01-12 | 2015-11-11 | Krausz Industries Development Ltd. | Pipe grip ring |
CN201329511Y (en) * | 2009-01-15 | 2009-10-21 | 上海交通大学 | External surface circle float clamp for turning process of inner wall of thin-wall cylinder |
CN201998339U (en) * | 2010-12-30 | 2011-10-05 | 中钢集团洛阳耐火材料研究院有限公司 | Movable working platform for drill-grind dual function machine |
CN202271298U (en) * | 2011-10-31 | 2012-06-13 | 郁祥林 | Stationary fixture |
CN103084998A (en) * | 2011-10-31 | 2013-05-08 | 郁祥林 | Fixture |
CN103612955A (en) * | 2013-11-29 | 2014-03-05 | 苏州骏熠纺织有限公司 | Reinforcing ring for spinning |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109665114A (en) * | 2018-12-03 | 2019-04-23 | 李园园 | A kind of unmanned machine head of pair of seawater sampling |
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