CN106239420A - The assembly tool of non-full circle band key straight pin in a kind of inner chamber workpiece - Google Patents
The assembly tool of non-full circle band key straight pin in a kind of inner chamber workpiece Download PDFInfo
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- CN106239420A CN106239420A CN201610886332.3A CN201610886332A CN106239420A CN 106239420 A CN106239420 A CN 106239420A CN 201610886332 A CN201610886332 A CN 201610886332A CN 106239420 A CN106239420 A CN 106239420A
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- locating piece
- location
- inner chamber
- face
- slide block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Automatic Assembly (AREA)
Abstract
nullThe assembly tool of non-full circle band key straight pin in the open inner chamber workpiece that ensure that assembling quality of the present invention，Locating piece be positioned at after location-plate and the front end face of transition boss and the rear end face of location-plate relative，Two slide blocks are installed in the middle square groove of locating piece and the longitudinal direction of each slide block coordinates stopper slot corresponding with locating piece longitudinal spacing groove，The interstitial hole of locating piece and the hole, location of location-plate coordinate with the connecting portion microgap of support member，The little concave cylindrical face of two slide blocks coordinates with the connecting portion microgap of support member，The rear end of support member is positioned among the big concave cylindrical face of two slide blocks，Two alignment pins are assemblied in the dowel hole of location-plate both sides respectively and rear end stretches out in the rear end face of location-plate，The connecting portion of two panels spring leaf is connected with the top of locating piece respectively and the elastic pressing part of every flat spring sheet is passed down through a longitudinal spacing groove of locating piece、Enter in the longitudinal direction cooperation stopper slot of a slide block and its lower end is elastically inwards pressed against and longitudinally coordinates on stopper slot.
Description
Technical field
The present invention relates to mechanical assembly instrument, be specifically related to the assembler of non-full circle band key straight pin in a kind of inner chamber workpiece
Tool.
Background technology
See Fig. 1 to Fig. 8, some special machine equipment have a kind of inner chamber workpiece 9, in the two of its rectangular inner cavity 9-2
Side be arranged with before and after two extend, inner side be flush with the side of rectangular inner cavity 9-2 up and down, outside is the most downward-sloping prolonging
The keyway stretched and the deeper band keyway non-circular hole 9-1 of the degree of depth front and back extended, and it is non-circular to be assemblied in these two band keyways
Two incomplete band key straight pins 10 in the 9-1 of hole, have width less than rectangular inner cavity 9-3 in the centre of rectangular inner cavity 9-2
The longitudinal opening groove 9-3 of width, has the breach 9-4 that width is identical with rectangular inner cavity 9-2 width on the top of part 9, and this lacks
The mouth two sides of 9-4 flush up and down with the opening of the inner side of band keyway non-circular hole 9-1.These two incomplete band key straight pins 10
The overall radial cross sectional shape of incomplete band key cylinder shank 10-2 identical with the shape of band keyway non-circular hole 9-1, size
Equal, in the rectangle of the close inner chamber workpiece 9 of the incomplete band key cylinder shank 10-2 of these two incomplete band key straight pins 10
Longitudinal direction the inner of chamber 9-2 is overmoving surface 10-3, and the outer end portion of these two incomplete band key straight pins 10 is complete round belt key body
10-1.During assembling, by manual operation by the inner alignment of the incomplete band key cylinder shank 10-2 of incomplete band key straight pin 10
The band keyway non-circular hole 9-1 of inner-cavity part 9 also inwardly pushes.Owing to being that interference press-fits, and two band keyway non-circular hole 9-1 are
Front and back extend, inner side is the opening that flushes up and down, outside is the keyway of outside downward-sloping extension and the degree of depth that front and back extends relatively
Deep band keyway non-circular hole.Thus, opening part can not incomplete by incomplete band key straight pin 10 of stress, i.e. manual operation
The inner with key cylinder shank 10-2 is non-when being directed at the band keyway non-circular hole 9-1 of inner-cavity part 9 and inwardly push and inwardly push
The overmoving surface 10-3 of the incomplete band key cylinder shank 10-2 of complete band key straight pin 10 can not stress, incomplete band key straight pin
Body 10-2 is monolateral stress, and the axis of non-full circle band key straight pin 10 is easily tilted to rectangular inner cavity 9-2 of workpiece 9.This will
Directly affecting the assembling quality of inner chamber workpiece 9, existing problem is, is affected by operator's technical ability, experience etc. so that non-
The incomplete band key cylinder shank 10-2 of full circle band key straight pin part 10 and the left and right sides inwall of the inner chamber 9-2 of inner-cavity part 9
On the band key circular hole 9-1 axis that is arranged with the most misaligned, assembling quality is unstable, it is second-rate even to assemble, it is impossible to full
Foot matching requirements.
Summary of the invention
The technical problem to be solved in the present invention is to provide non-full circle band in a kind of inner chamber workpiece that ensure that assembling quality
The assembly tool of key straight pin.
For solving above-mentioned technical problem, the assembly tool of non-full circle band key straight pin in inner chamber workpiece of the present invention, including fixed
Position block, slide block, location-plate, support member, alignment pin, spring leaf, it is characterised in that:
Described locating piece include width and the height body the most suitable with the width of the rectangular inner cavity of inner chamber workpiece and height and by
The front end face of this body is forwardly convex and width is less than body and the transition boss of the width of the open slot of workpiece, and described transition is convex
The height of platform deducts the height 1～2mm of the body of locating piece less than the outside of cavity work-piece to the bottom surface distance of rectangular inner cavity,
Body be provided with two be symmetrical in its longitudinal center, between left and right away from relatively and longitudinally through two longitudinal spacing grooves, at body
Position on the upper side and on the lower side further respectively have a lateral direction penetrating body and the middle square groove communicated with two longitudinal spacing grooves and
The most through interstitial hole,
Described slide block has two, the longitudinal limit that each slide block is provided with on the body with locating piece of a up/down perforation
The position corresponding longitudinal direction of groove coordinates stopper slot, and inner centre be provided with through before and after and concentric little concave cylindrical face and
Big concave cylindrical face, the arc chord angle in described little concave cylindrical face is less than 90 °, and the radius in described big concave cylindrical face is more than little spill
Radius about the 0.5mm on the face of cylinder, the width of each slide block and height are suitable with the width of the square groove on locating piece and height,
The outer face of each slide block is to the center of the band keyway non-circular hole of centre distance and the inner chamber workpiece in little concave cylindrical face to square
The centre distance of shape inner chamber deducts that the center of incomplete band key straight pin is suitable to the distance of overmoving surface, outer face is to inner face
Distance less than its outer face to about distance 0.4mm at center, little concave cylindrical face,
The centre of described location-plate is the most through and hole, location of equal diameters with the little concave cylindrical face on slide block before and after being provided with, and two
Side is the center in through, symmetrical and center and hole, location dowel hole on same horizontal line, each keyway before and after being provided with
The shape in hole diameter identical, each dowel hole with the shape of the band keyway non-circular hole of inner chamber workpiece is micro-more than incomplete band key
The diameter of incomplete band key cylinder shank of straight pin, the micro-convex key width more than incomplete band key straight pin of width of its keyway
The center of the band keyway non-circular hole on degree, center to the centre distance and inner chamber workpiece in hole, location is to the centre-to-centre spacing of rectangular inner cavity
From suitable,
Described support member includes that its maximum gauge is equal to rear end and the diameter etc. of the rhombogen in the little concave cylindrical face of each slide block
In the cylindrical connecting portion of the diameter in the little concave cylindrical face of each slide block,
Described alignment pin has two, the incomplete band key cylinder shank of the diameter of each alignment pin and incomplete band key straight pin
Equal diameters,
Described spring leaf has a two panels, every flat spring sheet approximation inverted L-shaped, including connecting portion and the most inside by this connecting portion outer end
The elastic pressing part extended,
Described locating piece be positioned at after location-plate and the front end face of its transition boss and the rear end face of location-plate relative,
Said two slide block 2 is installed on the longitudinal direction in the middle square groove of locating piece and on each slide block and coordinates stopper slot and locating piece
On longitudinal spacing groove corresponding,
Interstitial hole on described locating piece and the hole, location on location-plate coordinate with the connecting portion microgap of support member, said two
The little concave cylindrical face of slide block coordinates with the connecting portion microgap of support member, and the rear end of described support member is positioned at the big of two slide blocks
Among concave cylindrical face,
Said two alignment pin is assemblied in the dowel hole of location-plate both sides respectively and rear end stretches out in the rear end face of location-plate,
The connecting portion of described two panels spring leaf is connected with the top of locating piece respectively and the elastic pressing part of every flat spring sheet is passed down through
A longitudinal spacing groove on locating piece, enter the longitudinal direction of a slide block and coordinate in stopper slot and its lower end is elastically inwards pressed against
Longitudinally coordinating on stopper slot.
After taking technique scheme, non-full circle band key straight pin can be assemblied in inner chamber by the present invention as steps described below
In workpiece；
1, the locating piece having installed two slide blocks and two panels spring leaf is put into its rectangle from the upper end indentation, there of inner chamber workpiece
Interior intracavity；
2, location-plate is placed on inner chamber workpiece, in the hole, location of location-plate and the interstitial hole of locating piece, inserts support member；
3, by two band keyway non-circular holes alignments on the dowel hole of the both sides on location-plate and inner chamber workpiece, by two location
After selling out the dowel hole of the both sides being fully inserted on location-plate, support member half-twist promotion are made the outer face of two slide blocks simultaneously
Stretch out in outside the middle square groove of locating piece；
4, arbitrarily extract an alignment pin out, by a dowel hole of the inner alignment location-plate of a non-full circle band key straight pin and
Location-plate is inserted with fitting in a band keyway non-circular hole and the outer face of its overmoving surface and a slide block on inner chamber workpiece
Dowel hole after a band keyway non-circular hole on inner chamber workpiece press-fits to its incomplete band key cylinder shank and all fills
In the band keyway non-circular hole being assigned on inner chamber workpiece；
5, another alignment pin is extracted out, by another dowel hole of the inner alignment location-plate of another non-full circle band key straight pin
Insert with fitting with the outer face of another band keyway non-circular hole on inner chamber workpiece and its overmoving surface and a slide block and determine
After the dowel hole of position plate, another band keyway non-circular hole on inner chamber workpiece press-fits to its incomplete band key cylinder shank
In another band keyway non-circular hole being all assemblied on inner chamber workpiece；
6, by support member 4 half-twist again and extract support member out, make two slide blocks because being made its outer end reduction of area by the pressure of spring leaf
Within returning to the middle square groove of locating piece, taking out location-plate, finally slip locating piece takes to the indentation, there of the upper end of inner chamber workpiece
Go out, finally check whether two non-full circle band key straight pins are press-fit into place, if not putting in place, then being press-fit into place, if putting in place, then completing
Assembling.
In above-mentioned steps 4 and 5, each non-overmoving surface of full circle band key straight pin and the outer face of a slide block are all the time
Fit.Thus, in each non-full circle band key straight pin band keyway non-circular hole in being assemblied in inner chamber workpiece
During, its incomplete band key cylinder shank is not the most monolateral stress, would not occur making non-whole because of monolateral stress yet
It is arranged with on the left and right sides inwall of the incomplete band key cylinder shank of round belt key straight pin and the rectangular inner cavity of inner-cavity part
Band key round hole axial is misaligned, assembling quality is unstable, it is second-rate to assemble, it is impossible to the problem meeting matching requirements.Thus may be used
Know, as long as operator assemble according to above-mentioned steps, it becomes possible to ensure non-full circle band key straight pin is assemblied in inner chamber work
Assembling quality among part, without being affected by operator's technical ability, experience etc..Therefore, the present invention ensure that assembling matter
Amount is stable, assembling quality is preferable.
As a further improvement on the present invention, convex than incomplete band key straight pin of the width of keyway of described each dowel hole
Key wide 0.01～0.02mm.
As a further improvement on the present invention, the connecting portion of described two panels spring leaf uses spiral shell with the top of locating piece respectively
Follow closely detachably connected.
As a further improvement on the present invention, also include that a pair packing ring, described each packing ring are assemblied in every flat spring sheet
Between lower surface and the upper surface of locating piece of connecting portion.
As a further improvement on the present invention, described support member also includes the shank being connected to its connecting portion front end.
As a further improvement on the present invention, the two sides of described shank are the plane being parallel to each other.
As a further improvement on the present invention, the rear end of described support member is wide arc surface rhombus, in this width arc surface
Heart angle is less than 90 °.
Accompanying drawing explanation
Fig. 1 is structural representation during the unassembled non-full circle band key straight pin of inner chamber workpiece；
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional schematic；
Fig. 3 is structural representation during the unassembled non-full circle band key straight pin of inner chamber workpiece；
Fig. 4 is that the C-C of Fig. 3 is to sectional view；
Fig. 5 is the front view of non-full circle band key straight pin；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the structural representation of the present invention；
Fig. 8 is that the D-D of Fig. 7 is to sectional view；
Fig. 9 is the use view of the present invention；
Figure 10 is the structural representation of locating piece；
Figure 11 is the top view of locating piece；
Figure 12 is the main sectional view of slide block；
Figure 13 is the sectional view of bowing of slide block；
Figure 14 is the structural representation of location-plate；
Figure 15 is the front view of support member；
Figure 16 is the top view of support member；
Figure 17 is the sectional view of support member front end；
Figure 18 is the structural representation of alignment pin.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiment of the present invention is elaborated.
See Fig. 7 to Figure 18, the assembly tool of non-full circle band key straight pin in inner chamber workpiece of the present invention, including locating piece 1,
Slide block 2, location-plate 3, support member 4, alignment pin 5, spring leaf 6.From Fig. 7 to Figure 18, described locating piece 1 includes width and height
Body 1-1 that degree is suitable with the width of rectangular inner cavity 9-2 of inner chamber workpiece 9 and height and by the front end of this body 1-1 towards
Front protrusion and width are less than body 1-1 and the transition boss 1-2, described transition boss 1-2 of the width of the open slot 9-3 of workpiece 9
Height deduct to the bottom surface distance of rectangular inner cavity 9-2 less than the outside of cavity work-piece 9 locating piece 1 body 1-1 height 1～
(so, this transition boss 1-2 can reduce present invention location-plate 3 in use and the room of locating piece 1 to 2mm, makes support
Part 4 continues to move to after inserting location-plate 3, is easier to insert the interstitial hole 1-3 of locating piece 1.If without this transition boss 1-2, this
Bright in use, distant between locating piece 1 and location-plate 3, when continuing to move to after support member 4 inserts location-plate 3, insert
Enter during the interstitial hole 1-3 of locating piece 1 more difficult), body 1-1 is provided with two and is symmetrical in its longitudinal center, between left and right away from phase
To and longitudinally through two longitudinal spacing groove 1-5, further respectively have one in the position on the upper side and on the lower side of body 1-1 and laterally pass through
Lead to body 1-1 and the middle square groove 1-4 communicated with two longitudinal spacing groove 1-5 and the most through interstitial hole 1-3, described slide block
2 have two, the longitudinal spacing groove 1-that each slide block 2 is provided with on the body 1-1 with locating piece 1 of a up/down perforation
5 corresponding longitudinal directions coordinate stopper slot 2-2, and inner centre be provided with through before and after and concentric little concave cylindrical face 2-
1 and big concave cylindrical face 2-3, the arc chord angle of described little concave cylindrical face 2-1 is less than 90 °, the half of described big concave cylindrical face 2-3
Footpath is more than radius about the 0.5mm of little concave cylindrical face 2-1, the width of each slide block 2 and height and the square groove 1-on locating piece 1
Width and the height of 2 are suitable, the centre distance of the outer face of each slide block 2 to little concave cylindrical face 2-1 and inner chamber workpiece 9
The center that center with keyway non-circular hole 9-1 deducts incomplete band key straight pin 10 to the centre distance of rectangular inner cavity 9-2 is arrived
The distance of overmoving surface 10-3 is suitable, the distance of outer face to inner face less than its outer face to center, little concave cylindrical face away from
From about 0.4mm, the centre of described location-plate 3 is provided with the most through and with the little concave cylindrical face 2-1 on slide block 2 diameter phase
Deng hole, location 3-1, both sides be provided with before and after the center of through, the most symmetrical and center and hole, location 3-1 at same horizontal line
On dowel hole 3-2, the shape of each dowel hole 3-2 is identical, every with the shape of the band keyway non-circular hole 9-1 of inner chamber workpiece 9
The micro-diameter of incomplete band key cylinder shank 10-2 more than incomplete band key straight pin 10 of diameter of individual dowel hole 3-2, its key
The micro-convex width of key more than incomplete band key straight pin 10 of width of groove, the centre distance at center to location hole 3-1 and inner chamber work
The center of the band keyway non-circular hole 9-1 on part 9 is suitable to the centre distance of rectangular inner cavity 9-2, and described support member 4 includes it
The rear end 4-1 of the maximum gauge rhombogen equal to the little concave cylindrical face 2-1 of each slide block 2 and diameter are equal to each slide block 2
The cylindrical connecting portion 4-2 of the diameter of little concave cylindrical face 2-1, described alignment pin 5 has two, the diameter of each alignment pin 5
With the equal diameters of the incomplete band key cylinder shank 10-2 of incomplete band key straight pin 10, described spring leaf 6 has two panels, often
Flat spring sheet 6 approximates inverted L-shaped, including connecting portion 6-1 and the elastic pressing part 6-2 that extended downwardly and inwardly by this connecting portion 6-1 outer end, institute
State locating piece 1 and be positioned at after location-plate 3 and the front end face of its transition boss 1-2 is relative with the rear end face of location-plate 3, described two
Individual slide block 2 is installed on the longitudinal direction in the middle square groove 1-4 of locating piece 1 and on each slide block 2 and coordinates stopper slot 2-2 and locating piece 1
On longitudinal spacing groove 1-5 corresponding, the interstitial hole 1-3 on described locating piece 1, the little concave cylindrical face 2-1 of two slide blocks 2
And align before and after the location hole 3-1 on big concave cylindrical face 2-3 and location-plate 3 and the interstitial hole 1-3 on locating piece 1 and location-plate
Location hole 3-1 on 3 coordinates with the connecting portion 4-2 microgap of support member 4, the little concave cylindrical face 2-1 of said two slide block 2 with
The connecting portion 4-2 microgap of support member 4 coordinates, and the rear end 4-1 of described support member 4 is positioned at the big concave cylindrical face of two slide blocks 2
Among 2-3, said two alignment pin 5 is assemblied in respectively in the dowel hole 3-2 of location-plate 3 both sides and rear end stretches out in location-plate 3
Rear end face, the connecting portion 6-1 of described two panels spring leaf 6 top with locating piece 1 respectively is connected and the suppressing of every flat spring sheet 6
A longitudinal spacing groove 1-5, the longitudinal direction of one slide block 2 of entrance that portion 6-2 is passed down through on locating piece 1 coordinate in stopper slot 2-2
And its lower end is elastically inwards pressed against and longitudinally coordinates on stopper slot 2-2.So, the present invention can as steps described below by
Non-full circle band key straight pin is assemblied in inner chamber workpiece；
1, the locating piece 1 having installed two slide blocks 2 and two panels spring leaf 6 is put into it from the upper end indentation, there of inner chamber workpiece 9
In rectangular inner cavity；
2, location-plate 3 is placed on inner chamber workpiece 9, inserts in the location hole 3-1 of location-plate 3 and the interstitial hole 1-3 of locating piece 1
Support member 4；
3, by two band keyway non-circular hole 9-1 alignments on the dowel hole 3-2 of the both sides on location-plate 3 and inner chamber workpiece 9, will
After the dowel hole 3-2 of the both sides on two fully-inserted location-plates of alignment pin 53, support member half-twist promotion are made two slide blocks
The outer face of 2 stretches out in outside the middle square groove 1-4 of locating piece 3 simultaneously；
4, an alignment pin 5 is arbitrarily extracted out, by a keyway of the inner alignment location-plate 3 of a non-full circle band key straight pin 10
A band keyway non-circular hole 9-1 and the outer face of its overmoving surface 10-3 and a slide block 2 on hole 3-2 and inner chamber workpiece are affixed
After closing the dowel hole 3-2 of ground insertion location-plate 3, a band keyway non-circular hole 9-1 on inner chamber workpiece 9 press-fit to it non-
In the band keyway non-circular hole 9-1 that complete band key cylinder shank 10-2 is all assemblied on inner chamber workpiece 9；
5, another alignment pin 5 is extracted out, by another key of the inner alignment location-plate 3 of another non-full circle band key straight pin 10
Another band keyway non-circular hole 9-1 on slotted eye 3-2 and inner chamber workpiece 9 and its overmoving surface 10-3 and the outer end of a slide block 2
Face press-fits in another band keyway non-circular hole 9-1 on inner chamber workpiece insert the dowel hole 3-2 of location-plate 3 with fitting after
To another band keyway non-circular hole 9-1 that its incomplete band key cylinder shank 10-2 is all assemblied on inner chamber workpiece；
6, by support member 4 half-twist and extract support member 4 out, make two slide blocks 4 because being made its outer face by the pressure of spring leaf 6
Within being retracted into the middle square groove 1-4 of locating piece 1, take out location-plate 3, the finally upper end of slip locating piece 1 to inner chamber workpiece 9
Indentation, there is taken out, and finally checks whether two non-full circle band key straight pins 10 are press-fit into place, if not putting in place, then are press-fit into place, if
Put in place, then complete assembling.
In above-mentioned steps 4 and 5, the overmoving surface 10-3 of each non-full circle band key straight pin 10 and the outer end of a slide block 2
Face fits all the time.Thus, each non-full circle band key straight pin 10 band keyway in being assemblied in inner chamber workpiece 9 is non-
During in circular port 9-1, its incomplete band key cylinder shank 10-2 is not the most monolateral stress, would not occur because of list yet
Limit stress and make incomplete band key cylinder shank 10-2 and rectangular inner cavity 9-2 of inner-cavity part 9 of non-full circle band key straight pin 10
Left and right sides inwall on the band key circular hole 9-1 axis that is arranged with is misaligned, assembling quality is unstable, it is second-rate to assemble,
The problem that can not meet matching requirements.As long as it follows that operator assemble according to above-mentioned steps, it becomes possible to ensureing will
Non-full circle band key straight pin 10 is assemblied in the assembling quality among inner chamber workpiece 9, without by operator's technical ability, experience etc.
Impact.Therefore, the present invention ensure that assembling steady quality, assembling quality are preferable.
The width of keyway of described each dowel hole 3-2 is than the convex key wide 0.01～0.02mm of incomplete band key straight pin 10.
This makes incomplete band key straight pin 10 can be easier to load in the dowel hole 3-2 of location-plate 3, and the position of convex key can be pressed
According to the position assembling of dowel hole 3-2 on location-plate 3, meet matching requirements.
See Fig. 7 and Fig. 9, the connecting portion 6-1 of described two panels spring leaf 6 uses the screw 8 can respectively with the top of locating piece 1
Releasably connect.This makes every flat spring sheet 6 and the connection of locating piece 1 the most more convenient with dismounting.
Seeing Fig. 7 and Fig. 9, present invention additionally comprises a pair packing ring 7, described each packing ring 7 is assemblied in the company of every flat spring sheet 6
Connect between the lower surface of portion 6-1 and the upper surface of locating piece 1.This makes the lower surface of connecting portion 6-1 of every flat spring sheet 6 with fixed
Will not sustain damage because directly contacting between the upper surface of position block 1, thus improve the use longevity of spring leaf 6 and locating piece 1
Life.
Seeing Fig. 7 and Fig. 9, and Figure 15 and Figure 17, described support member 4 also includes the shank being connected to its connecting portion front end
4-3.This gripping making support member 4 and speed ratio are more convenient easily.
Seeing Fig. 7 and Fig. 9, and Figure 15 and Figure 17, the two sides of described shank 4-1 are the plane being parallel to each other.This makes
The gripping of support member 4 and rotate convenient easily.
Seeing Fig. 7 and Fig. 9, and Figure 15 and Figure 17, the rear end 4-1 of described support member 4 is wide arc surface rhombus, this width circle
The central angle of cambered surface is less than 90 °.When this makes support member 4 half-twist, two slide blocks 2 by the pressure of spring leaf 6 to support member 4
When axis shrinks, the concave cylindrical face 2-1 of slide block 2 does not contact the wide arc surface of support member 4, it can be ensured that two slide blocks 2 can be smoothly
It is retracted to the internal of locating piece 1.
That is done the preferred embodiment of the present invention above describes the illustration being only to make the present invention in detail.
Those skilled in the art can carry out various amendment, supplement described detailed description of the invention
Or use similar mode to substitute, but without departing from the spirit of the present invention or surmount model defined in appended claims
Enclose.
Claims (7)
1. an assembly tool for non-full circle band key straight pin in inner chamber workpiece, including locating piece (1), slide block (2), location-plate
(3), support member (4), alignment pin (5), spring leaf (6), it is characterised in that:
Described locating piece (1) includes that width and height are suitable with the width of the rectangular inner cavity of inner chamber workpiece (9) (9-2) and height
Body (1-1) and front end face by this body (1-1) is forwardly convex and width is less than body (1-1) and the opening of workpiece (9)
The transition boss (1-2) of the width of groove (9-3), the height of described transition boss (1-2) is less than the outside of cavity work-piece (9) to square
The bottom surface distance of shape inner chamber (9-2) deducts the height 1～2mm of the body (1-1) of locating piece (1), is provided with two on body (1-1)
Individual be symmetrical in its longitudinal center, between left and right away from relatively and longitudinally through two longitudinal spacing grooves (1-5), at body (1-1)
During position on the upper side and on the lower side further respectively has a lateral direction penetrating body (1-1) and communicates with two longitudinal spacing grooves (1-5)
Between square groove (1-4) and the most through interstitial hole (1-3),
Described slide block (2) has two, and each slide block (2) is provided with a up/down perforation with locating piece (1) body (1-1)
On the corresponding longitudinal direction of a longitudinal spacing groove (1-5) coordinate stopper slot (2-2), and inner centre be provided with through before and after
And concentric little concave cylindrical face (2-1) and big concave cylindrical face (2-3), the arc chord angle of described little concave cylindrical face (2-1)
Less than 90 °, the radius of described big concave cylindrical face (2-3) is more than radius about the 0.5mm of little concave cylindrical face (2-1), each
The width of slide block (2) and height are suitable with the width of the square groove (1-2) on locating piece (1) and height, outside each slide block (2)
End face is to the center of band keyway non-circular hole (9-1) of centre distance and the inner chamber workpiece (9) of little concave cylindrical face (2-1) to square
The centre distance of shape inner chamber (9-2) deducts the center of incomplete band key straight pin (10) and fits mutually to the distance of overmoving surface (10-3)
Join, the distance of outer face to inner face less than its outer face to distance 0.4mm at center, little concave cylindrical face about,
The centre of described location-plate (3) is provided with the most through and with the little concave cylindrical face (2-1) on slide block (2) equal diameters
Hole, location (3-1), both sides be provided with before and after the center in through, the most symmetrical and center and hole, location (3-1) in same level
The shape of band keyway non-circular hole (9-1) of the dowel hole (3-2) on line, the shape of each dowel hole (3-2) and inner chamber workpiece (9)
The micro-incomplete band key cylinder shank more than incomplete band key straight pin (10) of diameter of shape dowel hole identical, each (3-2)
(10-2) the micro-convex width of key more than incomplete band key straight pin (10) of diameter, the width of its keyway, center to location hole (3-
1) center of band keyway non-circular hole (9-1) in centre distance and inner chamber workpiece (9) is to the centre-to-centre spacing of rectangular inner cavity (9-2)
From suitable,
After described support member (4) includes that its maximum gauge is equal to the rhombogen of the little concave cylindrical face (2-1) of each slide block (2)
End (4-1) and diameter are equal to the cylindrical connecting portion (4-2) of the diameter of the little concave cylindrical face (2-1) of each slide block (2),
Described alignment pin (5) has two, the diameter of each alignment pin (5) and the incomplete band key of incomplete band key straight pin (10)
The equal diameters of cylinder shank (10-2),
Described spring leaf (6) has two panels, and every flat spring sheet (6) approximation inverted L-shaped, including connecting portion (6-1) with by this connecting portion
(6-1) elastic pressing part (6-2) that outer end extends downwardly and inwardly,
Described locating piece (1) is positioned at after location-plate (3) and after front end face and the location-plate (3) of its transition boss (1-2)
End face is relative,
Said two slide block (2) is installed on the longitudinal direction in the middle square groove (1-4) of locating piece (1) and on each slide block (2) and coordinates
Stopper slot (2-2) is corresponding with a longitudinal spacing groove (1-5) on locating piece (1),
The connecting portion of the interstitial hole (1-3) on described locating piece (1) and the hole, location (3-1) on location-plate (3) and support member (4)
(4-2) microgap coordinates, and the little concave cylindrical face (2-1) of said two slide block (2) is micro-with the connecting portion of support member (4) (4-2)
Matched in clearance, the rear end (4-1) of described support member (4) is positioned among the big concave cylindrical face (2-3) of two slide blocks (2),
Said two alignment pin (5) is assemblied in respectively in the dowel hole (3-2) of location-plate (3) both sides and rear end stretches out in location-plate
(3) rear end face,
The connecting portion (6-1) of described two panels spring leaf (6) top with locating piece (1) respectively is connected and every flat spring sheet (6)
A longitudinal spacing groove (1-5), the longitudinal direction of one slide block (2) of entrance that elastic pressing part (6-2) is passed down through on locating piece (1) coordinate
In stopper slot (2-2) and its lower end is elastically inwards pressed against and longitudinally coordinates on stopper slot (2-2).
2. the assembly tool of non-full circle band key straight pin in inner chamber workpiece as claimed in claim 1, it is characterised in that: described often
The width of keyway of individual dowel hole (3-2) is than the convex key wide 0.01～0.02mm of incomplete band key straight pin (10).
3. the assembly tool of non-full circle band key straight pin in inner chamber workpiece as claimed in claim 1, it is characterised in that: described two
The connecting portion (6-1) of flat spring sheet (6) uses screw (8) detachably connected with the top of locating piece (1) respectively.
4. the assembly tool of non-full circle band key straight pin in inner chamber workpiece as claimed in claim 1, it is characterised in that: also include
A pair packing ring (7), described each packing ring (7) is assemblied in lower surface and the locating piece of the connecting portion (6-1) of every flat spring sheet (6)
(1) between upper surface.
5. the assembly tool of non-full circle band key straight pin, its feature in the inner chamber workpiece as according to any one of Claims 1-4
It is: described support member (4) also includes being connected to the shank (4-3) of its connecting portion front end.
6. the assembly tool of non-full circle band key straight pin in inner chamber workpiece as claimed in claim 5, it is characterised in that: described handle
The two sides in portion (4-1) are the plane being parallel to each other.
7. the assembly tool of non-full circle band key straight pin in inner chamber workpiece as claimed in claim 6, it is characterised in that: described
The rear end (4-1) of support member (4) is wide arc surface rhombus, and the central angle of this wide arc surface is less than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886332.3A CN106239420B (en) | 2016-10-11 | 2016-10-11 | The assembly tool of the non-keyed straight pin of full circle in a kind of inner cavity workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886332.3A CN106239420B (en) | 2016-10-11 | 2016-10-11 | The assembly tool of the non-keyed straight pin of full circle in a kind of inner cavity workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106239420A true CN106239420A (en) | 2016-12-21 |
| CN106239420B CN106239420B (en) | 2018-07-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610886332.3A Expired - Fee Related CN106239420B (en) | 2016-10-11 | 2016-10-11 | The assembly tool of the non-keyed straight pin of full circle in a kind of inner cavity workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106239420B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070044618A1 (en) * | 2005-08-30 | 2007-03-01 | Marks Joel S | Hole punch element |
| CN203077156U (en) * | 2013-02-06 | 2013-07-24 | 荆州恒隆汽车零部件制造有限公司 | Quickly located gear shaft straight pin press-mounting device |
| CN204248728U (en) * | 2014-11-11 | 2015-04-08 | 盛瑞传动股份有限公司 | A kind of connecting rod straight pin assembling tool device |
| CN204354059U (en) * | 2014-09-26 | 2015-05-27 | 中国航空工业第六一八研究所 | A kind of frock of assembling elastic cylindrical pin |
| CN105583600A (en) * | 2014-10-24 | 2016-05-18 | 宜都市仝鑫精密锻造有限公司 | Press mounting device for small-diameter positioning pins with two non-planar ends correspondingly |
| CN205437689U (en) * | 2015-12-29 | 2016-08-10 | 重庆建设车用空调器有限责任公司 | Automatic pressure equipment spacer pin device |
| CN206436175U (en) * | 2016-10-11 | 2017-08-25 | 重庆望江工业有限公司 | The assembly tool of the non-keyed straight pin of full circle in a kind of inner chamber workpiece |
-
2016
- 2016-10-11 CN CN201610886332.3A patent/CN106239420B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070044618A1 (en) * | 2005-08-30 | 2007-03-01 | Marks Joel S | Hole punch element |
| CN203077156U (en) * | 2013-02-06 | 2013-07-24 | 荆州恒隆汽车零部件制造有限公司 | Quickly located gear shaft straight pin press-mounting device |
| CN204354059U (en) * | 2014-09-26 | 2015-05-27 | 中国航空工业第六一八研究所 | A kind of frock of assembling elastic cylindrical pin |
| CN105583600A (en) * | 2014-10-24 | 2016-05-18 | 宜都市仝鑫精密锻造有限公司 | Press mounting device for small-diameter positioning pins with two non-planar ends correspondingly |
| CN204248728U (en) * | 2014-11-11 | 2015-04-08 | 盛瑞传动股份有限公司 | A kind of connecting rod straight pin assembling tool device |
| CN205437689U (en) * | 2015-12-29 | 2016-08-10 | 重庆建设车用空调器有限责任公司 | Automatic pressure equipment spacer pin device |
| CN206436175U (en) * | 2016-10-11 | 2017-08-25 | 重庆望江工业有限公司 | The assembly tool of the non-keyed straight pin of full circle in a kind of inner chamber workpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106239420B (en) | 2018-07-13 |
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