CN205733876U - A kind of positioning fixture - Google Patents

A kind of positioning fixture Download PDF

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Publication number
CN205733876U
CN205733876U CN201521138779.XU CN201521138779U CN205733876U CN 205733876 U CN205733876 U CN 205733876U CN 201521138779 U CN201521138779 U CN 201521138779U CN 205733876 U CN205733876 U CN 205733876U
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CN
China
Prior art keywords
fixed plate
holder
driving means
lifting
positioning fixture
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.)
Expired - Fee Related
Application number
CN201521138779.XU
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Chinese (zh)
Inventor
白永龙
钟杰
李日俊
刘格利
彭小鹏
叶建武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Mindray Bio Medical Electronics Co Ltd
Original Assignee
Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Mindray Bio Medical Electronics Co Ltd filed Critical Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority to CN201521138779.XU priority Critical patent/CN205733876U/en
Application granted granted Critical
Publication of CN205733876U publication Critical patent/CN205733876U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of positioning fixture, including positioning component, lifting assembly and driving means;Positioning component includes base, fixed plate and multiple support column, and support column two ends are respectively fixedly connected with to base and fixed plate;Lifting assembly is slidably connected to positioning component, and it includes lifter plate, lifting column and holder, and lifter plate is slidably arranged between base and fixed plate;Support column wears the lift span of lifter plate;Lifting column two ends are individually fixed in lifter plate and holder;Lifting column slides and wears the pilot hole of fixed plate, and holder is positioned at the top of fixed plate;Driving means drives lifting assembly lifting moving.Utilize being slidably matched of pilot hole and lifting column, lift span is slidably matched with support column, it is ensured that the stability of lifting assembly lifting;Lifting assembly declines under the common effect of self gravitation and driving means, can fast automatic be clamped between clamping element and fixed plate by part, to realize the location of part, improves work efficiency.

Description

A kind of positioning fixture
Technical field
This utility model relates to machine components manufacture field, particularly relates to a kind of positioning fixture.
Background technology
Traditional mechanical part adds man-hour, for improving production efficiency and ensureing product quality, has the corresponding fixture of design, but for multi items, small lot adds man-hour, needs to design many sleeve clamps, and cost is big, and fixture quantity is many and is not easy to management.For the purpose of its conventional brace design direction predominantly reaches working (machining) efficiency and quality, if adding man-hour for small lot multi items, the meaning of fixture will reduce, because every time fixture switching correction when mounted, positioning, locking and will spend the plenty of time, conversion time is also longer than process time the most sometimes.So a can reach quick-clamping, quick die change fixture is always ultimate aim and the developing direction that machine components working (machining) efficiency promotes, but most automatizatioies locking fixture is all single-minded, there is specific aim, but it is inevitable that part manufacture adds the production switch in man-hour on lathe, so a set of can be multiplex magic chuck, and the dream of mechanical processing industry can be become by quick-clamping.
Utility model content
Technical problem to be solved in the utility model is, it is provided that a kind of positioning fixture, it is possible to quickly by the clamping of part location.
In order to solve above-mentioned technical problem, embodiment of the present utility model provides a kind of positioning fixture, it is characterised in that include positioning component, lifting assembly and driving means;
Described positioning component includes base, fixed plate and multiple support column, and described fixed plate is horizontally disposed with, and multiple described support columns are all vertically arranged, and two ends are respectively fixedly connected with to described base and described fixed plate;
Described lifting assembly is slidably connected to described positioning component, and it includes that lifter plate, lifting column and holder, described lifter plate are slidably arranged between described base and fixed plate;Described lifter plate is parallel to described fixed plate, and described lifter plate is provided with multiple lift span, and described support column wears described lift span;Described lifting column is vertically arranged, and its two ends are individually fixed in described lifter plate and described holder;Being provided with multiple pilot hole in described fixed plate, described lifting column slides and wears described pilot hole, and described holder is positioned at the top of described fixed plate;
Described driving means is fixed on described base, and described driving means is connected to described lifter plate, to drive described lifting assembly lifting moving;When described holder declines mobile, part is pressed in described fixed plate by described holder;When described holder rises mobile, described part is unclamped by described holder.
Wherein, multiple described support columns are arranged in around described driving means.
Wherein, multiple described support columns are divided into two groups of both sides being symmetricly set on described driving means, multiple described lifting columns to be divided into two groups of both sides being symmetrically distributed in driving means.
Wherein, described holder is two or more.
Wherein, described holder is the tabular being parallel to described fixed plate;
Or, described holder is shaft-like, its be axially level to.
Wherein, on described holder, a side surface towards described fixed plate is fixed with rubber cushion.
Wherein, the upper surface of described fixed plate is provided with multiple alignment pin, described alignment pin be axially vertical to, multiple described alignment pins are looped around the surrounding of part.
Wherein, described base is tabular, is provided with multiple positioning and locking ball lock system.
Wherein, described driving means is cylinder, and it includes that cylinder body and piston, described cylinder body are fixedly connected on described base, and described piston is vertically slidably connected to described cylinder body;The end of described piston is fixing with described lifter plate to be connected;
Or, described driving means is oil hydraulic cylinder;
Or, described driving means also includes driving motor and ball screw, and described ball screw is vertically arranged, and is connected between described driving motor and described lifter plate.
Wherein, described driving means is two or more.
The positioning fixture that this utility model provides, utilizes being slidably matched of pilot hole and lifting column, lift span is slidably matched with support column, it is ensured that the stability that lifting assembly lifts;Lifting assembly declines under the common effect of self gravitation and driving means, can fast automatic be clamped between clamping element and fixed plate by part, to realize the location of part, improves work efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the positioning fixture that this utility model first embodiment provides;
Fig. 2 is the decomposing schematic representation of positioning fixture in Fig. 1;
Fig. 3 is another decomposing schematic representation of positioning fixture in Fig. 1;
Fig. 4 is the structural representation that this utility model second implements the positioning fixture provided.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described.
Seeing Fig. 1-3, a kind of positioning fixture provided for first embodiment in this utility model, including positioning component 1, lifting assembly 2 and driving means 3;Lifting assembly 2 lifting carriage is connected on positioning component 1, and driving means 3 is connected between positioning component 1 and lifting assembly 2, is used for driving lifting assembly 2 lifting moving, thus is clamped by part 100 or unclamp.
Positioning component 1 includes base 11, fixed plate 12 and multiple support column 13.Fixed plate 12 is horizontally disposed with, for load bearing element 100.Multiple support columns 13 are all vertically arranged, and two ends are respectively fixedly connected with to base 11 and fixed plate 12.
Lifting assembly 2 is slideably positioned in positioning component 1, and it includes lifter plate 21, lifting column 22 and holder 23, and lifter plate 21 is slidably arranged between base 11 and fixed plate 12;Lifter plate 21 is parallel to fixed plate 12, and lifter plate 21 is provided with multiple lift span 210, and support column 13 wears lift span 210;Lifting column 22 is vertically arranged, and its two ends are individually fixed in lifter plate 21 and holder 23;Being provided with multiple pilot hole 120 in fixed plate 12, lifting column 22 slides and wears pilot hole 120, and holder 23 is positioned at the top of fixed plate 12.Being slidably matched of pilot hole 120 and lifting column 22, lift span 210 is slidably matched with support column 13, it is ensured that the stability of lifting assembly 2 lifting.
Driving means 3 is fixed on base 11, and driving means 3 is connected to lifter plate 21, to drive lifting assembly 2 lifting moving;When holder 23 declines mobile, part 100 is pressed in fixed plate 12 by holder 23;When holder 23 rises mobile, part 100 is unclamped by holder 23.
Lifting assembly 2 declines under the common effect of self gravitation and driving means 3, can fast automatic be clamped between clamping element and fixed plate 12 by part 100, to realize the location of part 100, improves work efficiency.
Multiple support columns 13 are arranged in driving means 3 around, so that driving means 3 is positioned at the centre position of multiple support column 13, it is ensured that the stability of equilibrium of lifting assembly 2 lifting carriage.
In the present embodiment, multiple support columns 13 are divided into two groups of both sides being symmetricly set on driving means 3, multiple lifting columns 22 to be divided into two groups of both sides being symmetrically distributed in driving means 3, to ensure the balance of driving means 3 both sides.
Specifically, support column 13 is six, and every side of driving means 3 is provided with three support columns 13.Lifting column 22 is eight, and every side of driving means 3 is provided with four lifting columns 22.Herein, in other embodiments, support column 13, the number of lifting column 22 are not limited to the number cited by the present embodiment, can determine support column 13 and the number of lifting column 22 according to specific needs.
In the present embodiment, support column 13 and lifting column 22 are cylindric, and certainly, in other embodiments, support column 13 and lifting column 22 can be flat column, triangle column or other columns.
Holder 23 is two or more, and part 100 can be clamped by two or more holders 23 from different perspectives, so that part 100 is locked between holder 23 and fixture securely, multiple parts 100 can be simultaneously clamped on location simultaneously.
In the present embodiment, holder 23 is two, is separately positioned on the both sides of part 100.Two holders 23 are all secured to the top of four lifting columns 22.
Holder 23 is the tabular being parallel to fixed plate 12, contacts for face between holder 23 with part 100, is clamped by part 100 preferably to coordinate with fixed plate 12.Further holder 23 is strip, and two parts 100 are arranged between two holders 23 along the length direction of holder 23, can be simultaneously clamped on by two parts 100 by two holders 23.
On holder 23, the side surface towards fixed plate 12 is fixed with rubber cushion 24.Part 100 can be made more firmly to be clamped between holder 23 and fixed plate 12 by rubber cushion 24.Rubber cushion 24 can be had elastomeric material by silica gel or rubber etc. and make.Rubber cushion 24 is tabular, in order to the surface laminating of holder 23 is fixing to be connected.
The upper surface of fixed plate 12 is provided with multiple alignment pin 121, alignment pin 121 be axially vertical to, multiple alignment pins 121 are looped around the surrounding of part 100.Utilize multiple alignment pin 121 can be positioned by part 100 before Clamp blocks 100, to realize part 100 is positioned more accurately.
It is provided with multiple positioning and locking ball lock system 110 on base 11, utilizes positioning and locking ball to lock system 110, whole positioning fixture can be fixed on lathe.Base 11 is tabular, in order to fixing multiple support columns 13, is the most conveniently fixed on lathe.
Driving means 3 is cylinder, and it includes cylinder body 31 and piston 32, and cylinder body 31 is fixedly connected on base 11, and piston 32 is vertically slidably connected to cylinder body 31.The end of piston 32 is fixing with lifter plate 21 to be connected.Utilizing the movement of cylinder piston 32, can drive lifting assembly 2 lifting moving, its volume is little, it is simple to be arranged between lifter plate 21 and base 11.
The pressure regulator valve 111 being connected with cylinder body 31 is set on base 11, the size of gas circuit can be adjusted by pressure regulator valve 111 thus ensure that gas circuit is stable.Being provided with hand valve 112 on base 11, hand valve 112 is connected to cylinder, to control the action of cylinder.Herein, in other embodiments, driving means 3 can also be oil hydraulic cylinder, driving means 3 can also include driving motor and ball screw, ball screw is vertically arranged, and be connected to drive between motor and lifter plate 21, by ball screw, the rotation driving motor is converted into the rectilinear movement up and down of lifter plate 21.
Driving means 3 is two or more, to ensure the stability that lifting assembly 2 lifts.In the present embodiment, driving means 3 is two be arranged side by side.Herein, part 100 number that can compress as required determines the specific number of driving means 3.
The part 100 that in the present embodiment, positioning fixture is clamped can be the part 100 such as circular sheet, square plate axle sleeve.The positioning fixture that the present embodiment provides realizes fast positioning clamping by pneumatic mode compressing component 100.By arranging alignment pin 121 in fixed plate 12, it is achieved being quickly accurately positioned of part 100.Positioning fixture achieves Fast Installation, the function positioning, locking, substantial amounts of preparation before eliminating product thread-changing, can be completely achieved one minute die change, and can reduce the technology requirement of operator.
In the positioning fixture that this utility model the second embodiment provides, it is the number of lifting column and the shape and structure of holder with the difference of first embodiment, being described in detail lifting column and holder below, other parts are identical with first embodiment and repeat no more.
As shown in Figure 4, lifting column 222 is eight, is arranged into two rows, often row four.Holder 223 is shaft-like, its be axially level to, the end of holder 223 is used for Clamp blocks 200, is point cantact between holder 223 and part 200.According to the holder 223 position in fixed plate 12, holder 223 only can be used for Clamp blocks 200 in one end, it is also possible to two ends are used to Clamp blocks 200.Each holder 223 is fixing with two lifting columns 222 to be connected, it is ensured that the bonding strength between holder 223 and lifting column 222, thus is clamped firmly by part 200.Herein, in other implementations, it is also possible to being that the two ends of holder 223 are fixing with two lifting columns 222 respectively is connected, and the mid portion of holder 223 is for Clamp blocks 200.
Above embodiment, is not intended that the restriction to this technical scheme protection domain.Amendment, equivalent and the improvement etc. made within any spirit at above-mentioned embodiment and principle, within should be included in the protection domain of this technical scheme.

Claims (10)

1. a positioning fixture, it is characterised in that include positioning component, lifting assembly and driving means;
Described positioning component includes base, fixed plate and multiple support column, and described fixed plate is horizontally disposed with, and multiple described support columns are all vertically arranged, and two ends are respectively fixedly connected with to described base and described fixed plate;
Described lifting assembly is slidably connected to described positioning component, and it includes that lifter plate, lifting column and holder, described lifter plate are slidably arranged between described base and fixed plate;Described lifter plate is parallel to described fixed plate, and described lifter plate is provided with multiple lift span, and described support column wears described lift span;Described lifting column is vertically arranged, and its two ends are individually fixed in described lifter plate and described holder;Being provided with multiple pilot hole in described fixed plate, described lifting column slides and wears described pilot hole, and described holder is positioned at the top of described fixed plate;
Described driving means is fixed on described base, and described driving means is connected to described lifter plate, to drive described lifting assembly lifting moving;When described holder declines mobile, part is pressed in described fixed plate by described holder;When described holder rises mobile, described part is unclamped by described holder.
Positioning fixture the most according to claim 1, it is characterised in that multiple described support columns are arranged in around described driving means.
Positioning fixture the most according to claim 1, it is characterised in that multiple described support columns are divided into two groups of both sides being symmetricly set on described driving means, multiple described lifting columns to be divided into two groups of both sides being symmetrically distributed in driving means.
Positioning fixture the most according to claim 1, it is characterised in that described holder is two or more.
Positioning fixture the most according to claim 1, it is characterised in that described holder is the tabular being parallel to described fixed plate;
Or, described holder is shaft-like, its be axially level to.
Positioning fixture the most according to claim 1, it is characterised in that on described holder, the side surface towards described fixed plate is fixed with rubber cushion.
Positioning fixture the most according to claim 1, it is characterised in that the upper surface of described fixed plate is provided with multiple alignment pin, described alignment pin be axially vertical to, multiple described alignment pins are looped around the surrounding of part.
Positioning fixture the most according to claim 1, it is characterised in that described base is tabular, is provided with multiple positioning and locking ball lock system.
Positioning fixture the most according to claim 1, it is characterised in that described driving means is cylinder, it includes that cylinder body and piston, described cylinder body are fixedly connected on described base, and described piston is vertically slidably connected to described cylinder body;The end of described piston is fixing with described lifter plate to be connected;
Or, described driving means is oil hydraulic cylinder;
Or, described driving means also includes driving motor and ball screw, and described ball screw is vertically arranged, and is connected between described driving motor and described lifter plate.
Positioning fixture the most according to claim 1, it is characterised in that described driving means is two or more.
CN201521138779.XU 2015-12-31 2015-12-31 A kind of positioning fixture Expired - Fee Related CN205733876U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521138779.XU CN205733876U (en) 2015-12-31 2015-12-31 A kind of positioning fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521138779.XU CN205733876U (en) 2015-12-31 2015-12-31 A kind of positioning fixture

Publications (1)

Publication Number Publication Date
CN205733876U true CN205733876U (en) 2016-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521138779.XU Expired - Fee Related CN205733876U (en) 2015-12-31 2015-12-31 A kind of positioning fixture

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107838847A (en) * 2017-12-22 2018-03-27 无锡市创恒机械有限公司 One kind lifting clamping device
TWI738535B (en) * 2020-10-08 2021-09-01 徐偉傑 Quick die change device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107838847A (en) * 2017-12-22 2018-03-27 无锡市创恒机械有限公司 One kind lifting clamping device
TWI738535B (en) * 2020-10-08 2021-09-01 徐偉傑 Quick die change device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161130

Termination date: 20161231

CF01 Termination of patent right due to non-payment of annual fee