CN108500690A - Inner bearing type can flexibly positioned fixture - Google Patents
Inner bearing type can flexibly positioned fixture Download PDFInfo
- Publication number
- CN108500690A CN108500690A CN201810673879.4A CN201810673879A CN108500690A CN 108500690 A CN108500690 A CN 108500690A CN 201810673879 A CN201810673879 A CN 201810673879A CN 108500690 A CN108500690 A CN 108500690A
- Authority
- CN
- China
- Prior art keywords
- flexibly positioned
- block
- inner bearing
- bearing type
- 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.)
- Withdrawn
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
It can flexibly positioned fixture the invention discloses a kind of inner bearing type, including main clamp plate, supporting block and limited block, adjustable positioning pin there are two being set up in parallel on the limited block, each adjustable positioning pin is correspondingly arranged on flexibly positioned unit, limited position mechanism is arranged in the side of the adjustable positioning pin, the adjustable positioning pin includes pull lever and positioning column, the diameter of the pull lever is less than the diameter of positioning column, it is provided with holding tank in the limited block, it is provided with elastic component in the holding tank, the flexibly positioned unit includes taper expanding block and elastic locating sleeve, the elastic locating sleeve is made of several shrapnels, it is provided through counterbore among the taper expanding block, the tapered expansion pin of setting in counterbore, several dormant bolt holes are provided in the main clamp plate.By the above-mentioned means, the present invention can be effectively increased program runtime, production efficiency is improved, and can the more general cast product for positioning shape and benchmark inaccuracy.
Description
Technical field
The present invention relates to field of fixtures, can flexibly positioned fixture more particularly to inner bearing type.
Background technology
When machining a workpiece on a machine tool, for make the surface energy of workpiece reach the fixed size of drawing, geometry and its
Workpiece must be installed before processing and be had good positioning by the requirement of the technologies such as the relative-position error on his surface.Fixture is in machine-building process
In, for fixing processing object, it is allowed to occupy correct position, to receive to process or detect to ensure processing request, folder
The case where lamps structure, directly affects the processing result of workpiece.
In the prior art, common fixture is mostly the non-typesetting clamp for machining of single-piece, i.e. a fixture can only fix a casting
Part product, such structure can cause process time short, and operating personnel do not have the sufficient next workpiece of time de-clamping, or do not have
There is the sufficient time while operating several machines, or removes the operations such as the burr for processing product without the sufficient time.
On the other hand, existing fixture is mostly unadjustable formula positioning fixture, i.e. the position of positioning fixture positioning is fixed, is produced in casting
The shape and benchmark of product be not very accurately in the case of, need to consider that the position of each location hole is both needed to alignment to just, it is conventional
Each blank cannot be accurately positioned in fixture, and casting could be completed by carrying out the methods of classification early period by the size to raw material
The positioning of part product, it is relatively complicated.
Invention content
The invention mainly solves the technical problem of providing a kind of inner bearing type can flexibly positioned fixture, design two groups of inner supports add
Work effectively increases program runtime, and the clamping of batch product, reduces under making operator that can be completed in program runtime
The number for repeating tool changing, improves production efficiency;Structure design provided by the invention further includes flexibly positioned simultaneously, can be more logical
With, more accurately positioning shape and benchmark inaccuracy cast product.
In order to solve the above technical problems, one aspect of the present invention is:There is provided a kind of inner bearing type can elasticity it is fixed
Position fixture, including main clamp plate are provided with supporting block in the main clamp plate, and the side of the supporting block is provided with limited block,
Run through the adjustable positioning pin of supporting block and limited block thickness, each adjustable positioning there are two being set up in parallel on the limited block
Pin is correspondingly arranged on flexibly positioned unit respectively away from the side of the limited block, and the side setting of the adjustable positioning pin is useful
In limit itself shift motion position-limit mechanism, the adjustable positioning pin include away from the flexibly positioned unit pull lever and
Towards the positioning column of the flexibly positioned unit side, it is threadedly coupled between the pull lever and the positioning column, the pulling
The diameter of bar is less than the diameter of positioning column, is provided with holding tank in the limited block, is provided in the holding tank and is set in institute
The elastic component of pull lever outer ring is stated, the flexibly positioned unit includes taper expanding block, and bullet is provided with outside the taper expanding block
Property positioning sleeve, the elastic locating sleeve are made of several shrapnels, and counterbore is provided through among the taper expanding block, described
It is provided in counterbore mobile to compress the taper expansion pin that the taper expanding block moves down, the fixture master
Several dormant bolt holes are provided on plate.
Preferably, the position-limit mechanism includes the limit gain being arranged along the length direction of the adjustable positioning pin, institute
State the gag lever post being provided in supporting block in the embedded limit gain.
Preferably, support disk, the support disk are provided between the flexibly positioned unit and the main clamp plate
On be provided with several connection fixtures.
Preferably, the connection fixture is uniformly distributed along the circumferential direction of the support disk.
Preferably, the taper expanding block and elastic locating sleeve are all made of stainless steel.
Preferably, the taper ratio of the taper expanding block is 1:10~1:2.
Preferably, the pull lever is provided with pulling cap away from the top of the positioning column, and the diameter for pulling cap is big
It is arranged in the diameter of the pull lever.
Preferably, it is provided with the friction flange being mutually parallel on the outside of the pulling cap.
Preferably, it is provided with location hole between the adjacent dormant bolt hole.
The beneficial effects of the invention are as follows:
1, the present invention provides two groups of inner support processing, effectively increases program runtime, makes operator that can be run in program
The clamping that lower batch of product is completed in time, improves production efficiency;
2, two groups of inner supports processing provided by the invention, reduces the number of repetition tool changing, improves the processing efficiency of product
With the utilization rate of platen, and precision machining is helped to improve;
3, the positioning method of flexibly positioned unit combination adjustable positioning pin more general, more can be positioned accurately outer
The cast product of shape and benchmark inaccuracy.
Description of the drawings
Fig. 1 be inner bearing type of the present invention can flexibly positioned fixture structural schematic diagram;
Fig. 2 be inner bearing type of the present invention can flexibly positioned fixture partial sectional view, for embodying adjustable positioning pin
Operation principle;
Fig. 3 is the portions A enlarged drawing in Fig. 2, the structure for embodying holding tank and elastic component;
Fig. 4 be inner bearing type of the present invention can flexibly positioned fixture partial sectional view, for embody limit can set up
The position-limit mechanism of position pin shift motion range;
Fig. 5 be inner bearing type of the present invention can flexibly positioned fixture partial exploded view, for embodying flexibly positioned list
The structure of member.
The label of each component is as follows in attached drawing:
1, main clamp plate;2, supporting block;3, limited block;4, adjustable positioning pin;41, pull lever;42, positioning column;43, it pulls
Cap;44, rub flange 5, flexibly positioned unit;51, taper expanding block;
52, elastic locating sleeve;53, run through counterbore;54, taper expansion pin;6, holding tank;7, elastic
Part;8, dormant bolt hole;9, gain is limited;10, gag lever post;11, disk is supported;12, even
Connect fixing piece;13, location hole.
Specific implementation mode
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment:
As shown in Figure 1, inner bearing type can flexibly positioned fixture, including main clamp plate 1, main clamp plate 1 is used to be top structure
Support platform is provided, several dormant bolt holes 8 is provided in main clamp plate 1, is fixed on the fixture by dormant bolt hole 8
On the standard auxiliary working platform of workshop vertical machining centre;In order to quickly position to setting position, set between adjacent dormant bolt hole 8
It is equipped with location hole 13.
As shown in Figure 1, being provided with supporting block 2 in main clamp plate 1, the side of supporting block 2 is provided with limited block 3, limited block 3
On be set up in parallel there are two adjustable positioning pin 4, adjustable positioning pin 4 is through the setting of the thickness of supporting block 2 and limited block 3.Each
Adjustable positioning pin 4 is correspondingly arranged on flexibly positioned unit 5 respectively away from the side of limited block 3, and pending workpiece blank passes through
Adjustable positioning pin 4 and corresponding flexibly positioned unit 5 carry out the fixation of position, and two productions can be fixed simultaneously in main clamp plate 1
Product effectively increase program runtime, reduce the number for repeating tool changing.Adjustable positioning pin 4 includes pull lever 41 and positioning column
42, wherein pull lever 41 deviates from flexibly positioned unit 5, and positioning column 42 is towards flexibly positioned unit 5, pull lever 41 and positioning column 42
Between be threadedly coupled, and the diameter of pull lever 41 be less than positioning column 42 diameter.
As shown in Figures 2 and 3, it is provided with holding tank 6 in limited block 3, elastic component 7, elastic component 7 are provided in holding tank 6
It is set in the outer ring of pull lever 41, elastic component 7 can select spring.Pending workpiece blank is placed on flexibly positioned unit 5
After upper, positioning column 42 can be squeezed and moved towards away from the direction of workpiece blank, mobile positioning column 42 forces elastic component 7 to shrink, bullet
Property part 7 shrink reaction force push corresponding workpiece blank, in conjunction with flexibly positioned unit 5 carry out position restriction.Pull lever
It is threadedly coupled, can be adjusted according to the actual size of workpiece blank between 41 and limited post 42.It is pulled in order to facilitate adjusting
Bar 41, pull lever 41 are provided with away from the top of positioning column 42 and pull cap 43, and the diameter of cap 43 is pulled to be more than the straight of pull lever 41
Diameter;Frictional force between finger and pulling cap 43 in order to further increase pulls cap 43 the phenomenon that preventing from being easy to slip when operation
Outside be provided with friction flange 44, friction flange 44 be mutually parallel.
As shown in Figure 3 and Figure 4, in order to limit the shift motion range of adjustable positioning pin 4, the efficiency of positioning is improved, simultaneously
In order to protect the service life of elastic component 7, the side of adjustable positioning pin 4 that limited position mechanism is arranged.Position-limit mechanism includes along can
The limit gain 9 of 4 length direction of positioning pin extension is adjusted, gag lever post 10, the insertion limit gain of gag lever post 10 are provided in supporting block 2
In 9, the shift motion ranging from adjustable positioning pin 4 of adjustable positioning pin 4 is moved to gag lever post 10 and contacts 9 liang of tops of limit gain respectively
The distance between end.
As shown in Figure 4 and Figure 5, flexibly positioned unit 5 includes taper expanding block 51, and the taper ratio of taper expanding block 51 is 1:
10~1:2, taper expanding block 51 is provided with elastic locating sleeve 52 outside, and wherein elastic locating sleeve 52 is surrounded by several shrapnels, is
Ensure the fixing intensity of workpiece blank, taper expanding block 51 and elastic locating sleeve 52 be all made of stainless steel.Taper expands
Counterbore 53 is provided through among block 51, the tapered expansion pin 54 of setting in counterbore 53, by rotating taper expansion pin 54
So that pushing taper expanding block 51, moving down for taper expanding block 51 forces elastic locating sleeve 52 to be opened outside, to be set in elasticity
The workpiece blank in 52 outside of positioning sleeve is effectively fixed.In order to further enhance the stabilization that flexibly positioned unit 5 fixes workpiece blank
Property, it is provided with support disk 11 between flexibly positioned unit 5 and main clamp plate 1, supports and is provided with connection fixture on disk 11
12, support disk 11 and main clamp plate 1 are effectively connected, it is ensured that itself stability of flexibly positioned unit 5.In order to ensure to consolidate
Uniformity, the quantity of connection fixture 12 is multiple, and is uniformly distributed along the circumferential direction of support disk 11.
The present invention implementation process be:
Vertical machining centre is secured fixtures to by the dormant bolt hole 8 and location hole 13 that are arranged in main clamp plate 1
Standard workbench on, pull adjustable positioning pin 4 so that pending workpiece blank is set on elastic locating sleeve 52, rotation
Taper expansion pin 54 forces elastic locating sleeve 52 to be expanded so that the pushing of taper expanding block 51, to which the position of workpiece blank to have
Effect limits.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of inner bearing type can flexibly positioned fixture, it is characterised in that:Including main clamp plate (1), set on the main clamp plate (1)
It is equipped with supporting block (2), the side of the supporting block (2) is provided with limited block (3), two are set side by side on the limited block (3)
A adjustable positioning pin (4) through supporting block (2) and limited block (3) thickness, each adjustable positioning pin (4) deviate from the limit
The side of position block (3) is correspondingly arranged on flexibly positioned unit (5) respectively, and the side of the adjustable positioning pin (4), which is provided with, to be used for
The position-limit mechanism of itself shift motion is limited, the adjustable positioning pin (4) includes the pulling away from the flexibly positioned unit (5)
Bar (41) and positioning column (42) towards flexibly positioned unit (5) side, the pull lever (41) and the positioning column
(42) it is threadedly coupled between, the diameter of the pull lever (41) is less than the diameter of positioning column (42), is arranged in the limited block (3)
There is holding tank (6), the elastic component (7) for being set in the pull lever (41) outer ring, the elasticity are provided in the holding tank (6)
Positioning unit (5) includes taper expanding block (51), and elastic locating sleeve (52), the bullet are provided with outside the taper expanding block (51)
Property positioning sleeve (52) be made of several shrapnels, is provided through counterbore (53) among the taper expanding block (51), it is described to pass through
It wears to be provided in counterbore (53) and move to compress the taper expansion pin (54) that the taper expanding block (51) moves down,
Several dormant bolt holes (8) are provided on the main clamp plate (1).
2. inner bearing type according to claim 1 can flexibly positioned fixture, it is characterised in that:The position-limit mechanism include along
The limit gain (9) of the length direction setting of the adjustable positioning pin (4), the embedded limit is provided on the supporting block (2)
Gag lever post (10) in position gain (9).
3. inner bearing type according to claim 1 can flexibly positioned fixture, it is characterised in that:The flexibly positioned unit (5)
It is provided with support disk (11) between the main clamp plate (1), several be connected and fixed is provided on the support disk (11)
Part (12).
4. inner bearing type according to claim 3 can flexibly positioned fixture, it is characterised in that:Connection fixture (12) edge
The circumferential direction for the support disk (11) is uniformly distributed.
5. inner bearing type according to claim 1 can flexibly positioned fixture, it is characterised in that:The taper expanding block (51) and
Elastic locating sleeve (52) is all made of stainless steel.
6. inner bearing type according to claim 5 can flexibly positioned fixture, it is characterised in that:The taper expanding block (51)
Taper ratio is 1:10~1:2.
7. inner bearing type according to claim 1 can flexibly positioned fixture, it is characterised in that:The pull lever (41) deviates from institute
The top for stating positioning column (42) is provided with pulling cap (43), and the diameter for pulling cap (43) is more than the straight of the pull lever (41)
Diameter is arranged.
8. inner bearing type according to claim 7 can flexibly positioned fixture, it is characterised in that:The outside for pulling cap (43)
It is provided with the friction flange (44) being mutually parallel.
9. inner bearing type according to claim 1 can flexibly positioned fixture, it is characterised in that:The adjacent dormant bolt hole
(8) location hole (13) is provided between.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810673879.4A CN108500690A (en) | 2018-06-27 | 2018-06-27 | Inner bearing type can flexibly positioned fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810673879.4A CN108500690A (en) | 2018-06-27 | 2018-06-27 | Inner bearing type can flexibly positioned fixture |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108500690A true CN108500690A (en) | 2018-09-07 |
Family
ID=63403817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810673879.4A Withdrawn CN108500690A (en) | 2018-06-27 | 2018-06-27 | Inner bearing type can flexibly positioned fixture |
Country Status (1)
Country | Link |
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CN (1) | CN108500690A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112828642A (en) * | 2020-12-30 | 2021-05-25 | 航宇救生装备有限公司 | Hole positioning machining method for special-shaped part |
CN113601214A (en) * | 2021-08-13 | 2021-11-05 | 刘荣 | Clamp for machining high-precision filter valve body |
-
2018
- 2018-06-27 CN CN201810673879.4A patent/CN108500690A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112828642A (en) * | 2020-12-30 | 2021-05-25 | 航宇救生装备有限公司 | Hole positioning machining method for special-shaped part |
CN113601214A (en) * | 2021-08-13 | 2021-11-05 | 刘荣 | Clamp for machining high-precision filter valve body |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180907 |
|
WW01 | Invention patent application withdrawn after publication |