CN207027017U - Multipurpose built-up jig for milling bed - Google Patents
Multipurpose built-up jig for milling bed Download PDFInfo
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- CN207027017U CN207027017U CN201720737105.4U CN201720737105U CN207027017U CN 207027017 U CN207027017 U CN 207027017U CN 201720737105 U CN201720737105 U CN 201720737105U CN 207027017 U CN207027017 U CN 207027017U
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Abstract
It the utility model is related to metal material processing equipment, it is desirable to provide a kind of multipurpose built-up jig for milling bed.Including platen and clamp bottom board, the parallel slots provided with the word of falling T, clamp bottom board set insertion perforate perpendicular to platen on platen；Realize and fasten with polygonal nut and soket head cap screw；The tapped counterbore or through hole for setting at least two row equi-spaced aparts to arrange on clamp bottom board；The fixture also includes following accessories or its combination：Double threaded screw, jack, pressing plate, backing plate, right angle seat, wedge jacking block and wedge briquetting component.The utility model can assembling combination use, can according to product size, length, be adjusted；Function admirable, build is smaller, bottom plate conveniently moving；With easy to operate, combination flexibly, disassembling, assembling and replacing it is convenient.Labor intensity is reduced, improves lathe service efficiency, operating efficiency.And reliable clamping, it is hardly damaged.
Description
Technical field
Metal material processing equipment is the utility model is related to, more particularly to a kind of multipurpose for milling bed combines folder
Tool.
Background technology
In railway with the production process of track switch railway frog product, for ease of mutually being shut down in two-sided milling, gantry mill planer etc.
Processing on bed with fixture, it is necessary to carry out clamping.Current fixture causes machining accuracy not due to part impetus design reasons
It can meet to require.
For example, it is that currently used vertical milling plane thin type steel plain often uses fixture scheme in Fig. 1.Before processing, it is necessary to
Three blocks of small steel plates are respectively welded in thin type steel plate both sides as the otic placode of pressure plate so as to clamping.The benefit of the program is clamping letter
Single, as long as padding cushion block in opposite side and loading onto pressing plate on cushion block and otic placode, can is processed after then tightening screw one by one
.But the program has the shortcomings that obvious, thin type steel plate to be processed is yielding.Because steel plate is not after pressing plate compresses
Nature, bolt steel plate is unclamped after machining and is just restored to the original state, causes the plane deformation processed.What area was grown greatly, partially
Steel plate deformed is bigger, can not meet the high work pieces process demand of required precision.
For another example it is that the quasi- facial plane of the currently used two-sided sleeping milling blank heart base of the rail often uses fixture scheme in Fig. 2.Adding
Before work, need to blank heart rail bottom pad above horizontal frontal plane type cushion block.Because blank heart rail is the taper of gradual change, and uneven surface
It is whole, use sheet metal choker block space even after workpiece is put, institute's pad position is also out-of-line.When top hold-down is pressed downward
When tight, impetus is difficult the position for covering bottom backing plate.Further, since each position stress only on one point on, cause workpiece by
Power is uneven, unnatural, is distorted after often resulting in stress, swings during cutting.Pressing plate is unclamped after machining, heart rail will
Recover nature, the plane for causing to process loses flatness, and considerable hurdle is brought to postorder processing.Therefore, clamping side
Case is difficult to control clamping precision, operating difficulties in production practices, it is difficult to meets product technology requirement.
Further, since track switch railway frog product category is more, manufacturing procedure is more complicated.Design specialized work is required for per procedure
Clamps.Not only cause design efforts would big, and because various in style, machining cycle is grown, cause production cost to be in
Under not.It is big also to there is replacing fixture workload in practical operation, deposits the problems such as inconvenient in maintenance care.
Therefore, design a kind of multipurpose built-up jig for milling bed and seem particularly necessary.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided one kind is used for milling
The multipurpose built-up jig of planer.
To solve technical problem, solution of the present utility model is：
A kind of multipurpose built-up jig for milling bed, including platen and clamp bottom board are provided, in lathe worker
The upper surface for making platform is provided with least two flutings being parallel to each other along its length, and the cross section of fluting is in inverted T-shape shape；Folder
Tool bottom plate is rectangle and arranged perpendicular to platen, is provided with clamp bottom board corresponding with platen slotting position
Insertion perforate；Penetrate and step is set in perforate, and clamp bottom board and machine are realized with polygonal nut and soket head cap screw
Fastening between bed workbench；On clamp bottom board, the interior spiral shell of band of at least two row equi-spaced aparts arrangement is set along its length
The counterbore or through hole of line, installation protection plug screw in counterbore or through hole；
The fixture also includes at least one of following accessories or its combination：
Double threaded screw, its lower end can screw in the counterbore on clamp bottom board or through hole, and be fixed on fixture with clamp nut
On bottom plate；Compression spring is arranged on screw body, the other end is provided with second clamp nut；
Jack, its one end are push rod, and the other end is leg, and leg can be used independently；
Pressing plate, its middle part are provided for the waist through hole through double threaded screw or fixing bolt；
Backing plate, its middle part are provided for the through hole through double threaded screw or fixing bolt；
Right angle seat, including two panels to intersect vertically, two panel form right angle sides, and realized admittedly with vertical floor
It is fixed；Wherein, set for the through hole through fixing bolt, set on vertical panel for through the logical of puller bolt on horizontal panel
Hole；
Wedge jacking block and wedge briquetting component, wedge jacking block has two and both sides are respectively vertical plane and ramp, wedge
The both sides of briquetting are lower inclined plane；The ramp of wedge jacking block and the smooth surface that the lower inclined plane of wedge briquetting is mutual cooperation,
The middle part of wedge briquetting is provided with the through hole being used for through fixing bolt；
Fixing bolt, its one end are hexagonal nuts, and the other end is with externally threaded screw rod；
Puller bolt, its one end are hexagonal nuts, and the other end is with externally threaded screw rod.
In the utility model, using fixture as workpiece side block in use, the assembling mode of each accessory is following any
It is a kind of：
(1) double threaded screw screws in counterbore or through hole on clamp bottom board and realizes fixation by clamp nut, and its upper end passes through
Waist through hole on pressing plate, and by nut and compression spring clamping press plate；It is located at double threaded screw between pressing plate and clamp bottom board
Both sides respectively set a jack, and an end of pressing plate offsets with side surface of workpiece；
(2) double threaded screw screws in counterbore or through hole on clamp bottom board and realizes fixation by clamp nut, and its upper end passes through
Through hole on pressing plate, and by nut and compression spring clamping press plate；It is located at double threaded screw both sides between pressing plate and clamp bottom board
The leg of a jack is respectively set, an end of pressing plate offsets with side surface of workpiece；
(3) after fixing bolt passes through the waist through hole on pressing plate, screw in counterbore or through hole on clamp bottom board and realize admittedly
Fixed, an end of pressing plate offsets with side surface of workpiece；
(4) double threaded screw is screwed in counterbore or through hole on clamp bottom board, and screw rod sequentially passes through the first pressing plate, fastening spiral shell
Mother, compression spring, the second pressing plate and clamp nut, two pressing plates realize fastening by two clamp nuts and compression spring；Two
The leg of a jack, same side end and the side surface of workpiece phase of two pressing plates are respectively set between individual pressing plate positioned at double threaded screw both sides
Support, lower platen is as location-plate, and top hold-down is as baffle plate.
In the utility model, when fixture is used for into milling rail flange of rail breach, at least three groups of built-up jigs are used altogether, are respectively matched somebody with somebody
The assembling mode of part is：Backing plate is arranged on clamp bottom board, rail is shelved on backing plate, and its base to be processed is exposed and padded
Plate outer；The lower end of double threaded screw is screwed in counterbore or through hole on clamp bottom board after passing through backing plate, and is realized by clamp nut
It is fixed；Double threaded screw upper end passes through the through hole on pressing plate, and by nut and compression spring clamping press plate；One end of pressing plate is pressed in steel
The upper limb of rail sets a jack as baffle plate between the other end and backing plate；Second pressing plate is placed on backing plate as location-plate,
And it is fixed on by fastening bolt on clamp bottom board.
In the utility model, when fixture is used for into rail head of rail milling inclined-plane, at least three groups of built-up jigs are used altogether, are respectively matched somebody with somebody
The assembling mode of part is：The lower end of double threaded screw is screwed in counterbore or through hole on clamp bottom board, and is realized admittedly by clamp nut
It is fixed；Double threaded screw upper end passes through the waist through hole on pressing plate, and by nut and compression spring clamping press plate；Rail is shelved on fixture
On bottom plate, the upper limb that one end of pressing plate is pressed in rail sets a jack as baffle plate between the other end and clamp bottom board；Second
Block pressur plate is fixed on clamp bottom board by fastening bolt, and its end offsets as location-plate with rail foot.
In the utility model, when fixture is used for into vertical milling plane heart rail reference plane, at least three groups of built-up jigs, the heart are used altogether
Rail blank is shelved on the middle position for each built-up jig be arrangeding in parallel and processing is face-up；Each accessory in every group of built-up jig
Assembling mode is：Be symmetrical arranged two right angle seats in heart rail blank both sides, the vertical panel of right angle seat against heart rail blank and with
Puller bolt withstands heart rail blank and realizes clamping, and its horizontal panel is fixed on clamp bottom board with fixing bolt；Two pressing plates point
It is not fixed on by fastening bolt on clamp bottom board, one end of pressing plate is pressed on right angle seat horizontal panel, the other end and clamp bottom board
Between set cushion block.
In the utility model, by fixture be used for crouch the milling heart rail reference plane when, altogether use at least three groups of built-up jigs, the heart
Rail blank is shelved on the side for each built-up jig be arrangeding in parallel and machined surface is towards outside；Each accessory in every group of built-up jig
Assembling mode is：In the bottom of heart rail blank, two jack are set；The counterbore that the lower end of double threaded screw is screwed on clamp bottom board
Or in through hole, and realized and fixed by clamp nut；Double threaded screw upper end passes through the through hole on pressing plate, and by nut and compression spring
Clamping press plate；One end of pressing plate is pressed in the upper limb of heart rail blank as baffle plate, and the 3rd thousand is set between the other end and clamp bottom board
Jin top.
In the utility model, when fixture is used for into vertical milling plane thin type steel plate, at least three groups of built-up jigs, thin type are used altogether
Steel plate is shelved on the middle position for each built-up jig be arrangeding in parallel and processing is face-up；The group of each accessory in every group of built-up jig
Dress mode is：Pressing plate is set respectively in thin type steel plate both sides, pressing plate is fixed on clamp bottom board by fastening bolt；Wherein side
Pressing plate end and the side of thin type steel plate are offseted, and wedge jacking block is set between another pressing plate end and thin type side edge of steel plate with carving
Shape briquetting component；The component includes the wedge jacking block positioned at both sides and the wedge briquetting positioned at centre, the middle part of wedge briquetting by
Fastening bolt is fixed on clamp bottom board, the vertical planes of two wedge jacking block outside portions respectively with pressing plate end and thin type steel plate side
While offset.
In the utility model, the bottom surface of the clamp bottom board both sides is provided with the keyway of opening, keyway position and lathe worker
It is mutually corresponding to make slotting position on platform；One positioning flat key is fixed on clamp bottom board by soket head cap screw, positions the one of flat key
Half is located in keyway, and second half is located in the fluting on platen.
In the utility model, the working end of the pressing plate has ramp, makes its longitudinal cross-section wedge shaped.
In the utility model, realized with polygonal nut and soket head cap screw between clamp bottom board and platen
Fastening, in particular to：By in polygonal nut insertion fluting, the bar portion of soket head cap screw pass through after clamp bottom board with polygon
Nut is nested；Polygonal nut realized in fluting it is spacing, fastening when will not be rotated with the rotation of soket head cap screw；Interior six
Realized by the step in insertion perforate spacing in the head of angle screw.
Compared with prior art, the beneficial effects of the utility model are：
1st, the built-up jig in the utility model employs Split type structure design, can be used with assembling combination, can be according to production
Product size, length, enter line space adjustment, the quantity of fixture can also increase or decrease, can be according to the shape of product on clamp bottom board
Shape installs corresponding auxiliary clamp.It is adapted to two side faces milling, top surface milling, inclined-plane milling, groove milling, end face milling
Clamping, operate with convenient, flexible, it is solid and reliable, it is particularly suitable for the production of square I-shaped strip class, cone class, blank
Product clamping, such as rail clamping, heart rail clamping.It also is adapted for shorter square, the square taper class of length and special-shaped workpiece product clamping simultaneously.
2nd, built-up jig function admirable, build is smaller, bottom plate conveniently moving, can configure bottom plate number according to the length of product
Amount, puts and is attached by screws to afterwards on platen in place, it is possible to want retaining part in mould according to different products
Assembled required corresponding prefabricated auxiliary clamp, is mounted on corresponding screw with screw, there is two row's spiral shells on every piece of bottom plate on bottom plate
Hole is selective, and each screw has plug screw protection, and plug screw of dismantling loads onto screw-driving.It can press, push up, keeping off, angle positions, horizontal
A variety of holding functions such as positioning, perpendicular positioning, blank adjustment positioning, flexible combination mode, which especially adapts to small lot production, to be made
With.
3rd, fixture have easy to operate, combination flexibly, disassembling, assembling and replacing it is convenient.Labor intensity is reduced, improving lathe makes
With efficiency, operating efficiency.And reliable clamping, the characteristics of being hardly damaged.Solves different cultivars product, different manufacturing procedures need
Design design iterations caused by corresponding fixture, repeat the problem of manufacture.
Brief description of the drawings
Fig. 1 often uses clamping schematic diagram when digging thin type steel plate for vertical milling in the prior art.
Fig. 2 often uses clamping schematic diagram when being two-sided sleeping milling blank heart rail reference plane.
Fig. 3 is used for schematic diagram during rail clamping for built-up jig in the utility model.
Fig. 4 is the scheme of installation of positioning flat key.
Fig. 5 is wedge jacking block and the scheme of installation of wedge briquetting component.
Fig. 6 is that the scheme of installation fastened between clamp bottom board and platen is realized with bolt.
Fig. 7 is the scheme of installation of right angle seat.
Fig. 8 is scheme of installation when fixture is used as workpiece side block.
Fig. 9 is scheme of installation when fixture to be used for milling rail flange of rail breach.
Figure 10 is scheme of installation when fixture to be used for rail head of rail milling inclined-plane.
Figure 11 is that fixture is used for scheme of installation when vertical milling digs heart rail reference plane.
Figure 12 is scheme of installation when fixture to be used to crouch to milling heart rail reference plane.
Figure 13 is that fixture is used for scheme of installation when vertical milling digs thin type steel plate.
Reference in figure：1 platen, 2 clamp bottom boards, 3 rail, 4 pressing plates, 5 double threaded screws, 6 clamp nuts,
7 compression springs, 8 jack, 9 protection plug screws, 10 polygonal nuts, 11 soket head cap screws, 12 backing plates, 13 positioning flat keys, in 14
Hex screw, 15 right angle seats, 16 wedge jacking blocks, 17 wedge briquettings.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail.
For the multipurpose built-up jig of milling bed, including platen 1 and clamp bottom board 2, in platen 1
Upper surface is provided with least two flutings being parallel to each other along its length, and the cross section of fluting is in inverted T-shape shape；Clamp bottom board
2 are rectangle and are arranged perpendicular to platen 1, are provided with clamp bottom board 2 corresponding with the slotting position of platen 1
Penetrate perforate；Penetrate and step is set in perforate, and realized with polygonal nut (optional trapezoidal nut) and soket head cap screw
(by polygonal nut insertion fluting, the bar portion of soket head cap screw passes through for fastening between clamp bottom board 2 and platen 1
It is nested with polygonal nut after clamp bottom board；Polygonal nut realized in fluting it is spacing, fastening when will not be with interior hexagonal spiral shell
The rotation of nail and rotate；Realized by the step in insertion perforate spacing in the head of soket head cap screw.)；On clamp bottom board 2,
The tapped counterbore or through hole of at least two row equi-spaced aparts arrangement are set along its length, installed in counterbore or through hole anti-
Protect plug screw 9.The bottom surface of the both sides of clamp bottom board 2 is provided with the keyway of opening, keyway position and slotting position phase on platen 1
It is mutually corresponding；One positioning flat key 13 is fixed on clamp bottom board 2 by soket head cap screw 14, and the half of positioning flat key 13 is located at keyway
In, second half is located in the fluting on platen 1.
The fixture also includes following a variety of accessories：
Double threaded screw 5, its lower end can be screwed in the counterbore on clamp bottom board 2 or through hole, and are fixed on folder with clamp nut 6
Have 2 on bottom plate；Compression spring 7 is arranged on screw body, the other end is provided with second clamp nut 6；
Jack 8, its one end are push rod, and the other end is leg, and leg can be used independently；
Pressing plate 4, its middle part are provided for the waist through hole through double threaded screw 5 or fixing bolt；Use the working end of pressing plate 4
Connect in workpiece；The end has ramp, makes its longitudinal cross-section wedge shaped.
Backing plate 12, its middle part are provided for the through hole through double threaded screw 5 or fixing bolt；
Right angle seat 15, including two panels to intersect vertically, two panel form right angle sides, and realized admittedly with vertical floor
It is fixed；Wherein, set on horizontal panel for the through hole through fixing bolt, set on vertical panel for the screw thread through puller bolt
Through hole；
Wedge jacking block 16 and the component of wedge briquetting 17, wedge jacking block 16 have two and both sides be respectively vertical plane and it is upper tiltedly
Face, the both sides of wedge briquetting 17 are lower inclined plane；The lower inclined plane of the ramp of wedge jacking block 16 and wedge briquetting 17 is phase interworking
The smooth surface of conjunction, the middle part of wedge briquetting 17 are provided with the through hole being used for through fixing bolt；
Fixing bolt, its one end are hexagonal nuts, and the other end is with externally threaded screw rod；
Puller bolt, its one end are hexagonal nuts, and the other end is with externally threaded screw rod.
Further explanation to each parts：
Clamp bottom board 2 is the substrate of a whole set of fixture.After it is attached on platen 1 and fixed, milling can be born
Cutting force caused by pin.It can be pacified according to the clamping demand of workpiece from auxiliary clamp independent assortment on the top of clamp bottom board 2
Dress, it is being adapted to fixed position, is removing protection plug screw 9, screw on fixing bolt and be fixed.Rail 3 is the to be added of required clamping
Work workpiece.Pressing plate 4 is that workpiece is carried out to be fixed fixture.Double threaded screw 5 is connected to clamp bottom board 2, and is locked with clamp nut 6
Tightly, keep firm, screw rod will not rotate when being easy to the top clamp nut 6 to perform elastic operation, play a part of tensing pressing plate.Tightly
Gu nut 6 is tightened for rotation, reversely unclamp.The effect of compression spring 7 be using upward elastic force hold up pressing plate 4, be easy to lifting,
Remove workpiece；Crush board does not drop to lower section, easy to operation, improves work efficiency.It is top that jack 8, which divides for upper and lower two part, top,
Bar, bottom are legs.It is stress point part after pressing plate 4 pressurizes, and can rotate push rod according to workpiece different height and be adjusted.Peace
Dismantled during dress according to stress point desired position and protect plug screw 9, tighten jack 8.Protect plug screw 9：All spiral shells not being utilized
Hole is fitted with protecting plug screw, for protecting screwed hole, screw thread is not come to harm and is polluted, in case can be quick when next time changes the outfit
Assembling fixture.Polygonal nut 10 is the part that can be arbitrarily slided in the fluting for insert platen 1, is sliding into fixture bottom
Play a part of stationary fixture bottom plate 2 during the position that plate 2 is put, and bear to process cutting force.Soket head cap screw 11 is to pass through drawing
Clamp bottom board 2 is fixed on the standard component on platen 1 by tight polygonal nut 10.The effect of backing plate 12 is to raise workpiece
Bottom space is conceded, is easy to Tool in Cutting, does not injure clamp bottom board 2.The effect of positioning flat key 13 is by its thickness up and down each one
Partly it is bumped into respectively in the fluting of platen 1 and the keyway of clamp bottom board 2, to improve the positioning performance of clamp bottom board 2.Interior six
The effect of angle screw 14 is to play protection positioning flat key 13 after tightening not loosen, do not drop.Right angle seat 15 is that a kind of two planes are hung down
The triangle board clamp directly formed.Its bottom surface is conveniently adjusted installation site provided with kidney-shaped notch, and vertical plane arranges two up and down
Screw is used to adjust self-position and workpiece adjustment.Kidney-shaped notch is used to wear fixing bolt, and can be with adjustment angle and relative position
Put, be easy to piece-holder, vertical plane can directly be affixed on the workpiece side plane clamping of rule, irregularly can use when running into side plane
Two puller bolt adjustment.Right angle seat 15 will be installed face-to-face, and two puller bolt tops must be used on the side right angle seat of workpiece
To opposite and hold out against, to reach clamping effect.Position needs to select the counterbore of clamp bottom board 2 or through hole to carry out according to workpiece
Installation, the afterbody pressing plate 4 of right angle seat 15 are pushed down, and make the two points stress of right angle seat 15, it is ensured that will not be moved after by cutting force.Wedge
Jacking block 16 is the fixture for having vertical side and inclined side, and one piece (inclined-plane is to inclined-plane) is respectively placed in left and right face-to-face, and centre is used
Wedge briquetting 17 pushes the left side so as to withstand the thin type workpiece of both sides and pressing plate 4.Wedge briquetting 17 is up big and down small, and there are two to be inclined
Prism, downward pressure is tightened by bolt, in the presence of inclined plane, down force is changed into the horizontal stroke of wedge jacking block 16
Xiang Li, to have the function that to hold out against thin type workpiece.Two row's screws are designed with the surface of clamp bottom board 2, a row is used to compress work
Part, another row can be used for pressing plate 4 of the installation as location-plate, in progress accurate adjustment in position needed for workpiece, in place after in selected position
Put and find suitable screw, protection plug screw 9 of dismantling, screw on fixing bolt.
Using example 1：
When fixture is used as workpiece side block (as shown in Figure 8), the assembling mode of each accessory is：
(1) fixation is realized by clamp nut 6 in the counterbore or through hole that double threaded screw 5 is screwed on clamp bottom board 2, its upper end is worn
The through hole crossed on pressing plate 4, and by clamp nut 6 and the clamping press plate 4 of compression spring 7；It is located between pressing plate 4 and clamp bottom board 2
The both sides of double threaded screw 5 respectively set a jack 8, and an end and the side surface of workpiece of pressing plate 4 offset (as shown in Fig. 8 upper lefts)；Should
Mount scheme 1 is fended off for upper lateral, and jack 8 can adjust according to the height of workpiece, makes the height of pressing plate be adapted to workpiece to keep out
Position, workpiece is carried out laterally to fend off, play positioning and keep out lateral impact forces caused by milling cutting.
(2) fixation is realized by clamp nut 6 in the counterbore or through hole that double threaded screw 5 is screwed on clamp bottom board 2, its upper end is worn
The through hole crossed on pressing plate 4, and by clamp nut 6 and the clamping press plate 4 of compression spring 7；It is located between pressing plate 4 and clamp bottom board 2
The both sides of double threaded screw 5 respectively set the leg of a jack 8, and an end and the side surface of workpiece of pressing plate 4 offset (such as Fig. 8 upper rights institute
Show)；The mount scheme is that waist is laterally fended off, and workpiece is carried out laterally to fend off, and plays positioning and keeps out caused by milling cutting
Lateral impact forces.
(3) after fixing bolt passes through the waist through hole on pressing plate 4, realized in the counterbore or through hole that screw on clamp bottom board 2
Fixed, an end and the side surface of workpiece of pressing plate 4 offset (as shown in Fig. 8 lower-lefts)；The mount scheme is that bottom is laterally fended off, right
Workpiece laterally fend off, and plays positioning and keeps out lateral impact forces caused by milling cutting.
(4) double threaded screw 5 is screwed in counterbore or through hole on clamp bottom board 2, and screw rod sequentially passes through the first pressing plate, fastening spiral shell
Mother 6, compression spring 7, the second pressing plate 4 and clamp nut, two pressing plates 4 are realized tightly by two clamp nuts 6 and compression spring 7
Gu；The leg of a jack 8, the same side end of two pressing plates 4 are respectively set positioned at the both sides of double threaded screw 5 between two pressing plates 4
Offseted with side surface of workpiece, lower platen 4 is used as location-plate, and top hold-down 4 is as baffle plate (as shown in Fig. 8 bottom rights).The installation side
Case is that top and the bottom are laterally fended off.The leg of jack 8 withstands pressing plate 4 as cushion block, according to the height of workpiece by the leg of jack 8
It is replaced with the height that other cushion blocks also can adjust pressing plate 4.Two pressing plates 4 are provided commonly for keeping out side knock caused by cutting
Power, cutting vibrations are eliminated, improve machining accuracy and roughness.Top hold-down 4 needs to unclamp during each clamping, and workpiece is installed in place folder
It is next to hold out against compacting again.Due to carrying out laterally keeping out to workpiece top and the bottom in same position simultaneously, power produced by cutting is eliminated, its
Reliability is better than first three mount scheme, and rigidity is more preferable.
Using example 2：
When fixture is used for into milling rail flange of rail breach (as shown in Figure 9), the assembling mode of each accessory is：In clamp bottom board
Backing plate 12 is arranged on 2, rail 3 is shelved on backing plate, and its base to be processed is exposed in the outer of backing plate 12；Double threaded screw 5
Lower end is screwed in counterbore or through hole on clamp bottom board 2 after passing through backing plate 12, and realizes fixation by clamp nut 6；Double threaded screw 5
Upper end passes through the through hole on pressing plate 4, and by clamp nut 6 and the clamping press plate 4 of compression spring 7；One end of pressing plate 4 is pressed in rail 3
Upper limb as pressing plate, a jack 8 is set between the other end and backing plate 12；Second pressing plate 4 is placed on backing plate 12 as fixed
Position plate, and be fixed on by fastening bolt on clamp bottom board.
During 3 flange of rail breach of milling rail, with the padded rail 3 of backing plate 12, and certain space is conceded, prevent milling cutter from hurting fixture.
The flange of rail of rail 3 is attached to the pressing plate 4 of bottom to position workpiece.The built-up jig of suitable tricks is loaded onto according to Workpiece length to ensure foot
Enough rigidity (this figure is the signal of part clamping, in the one steel rail 3 of left and right sides clamping two to be processed operation simultaneously on lathe).
Using example 3：
When fixture is used for into rail head of rail milling inclined-plane (as shown in Figure 10), the assembling mode of each accessory is：Double threaded screw 5
Lower end screw in counterbore or through hole on clamp bottom board 2, and fixation is realized by clamp nut 6；The upper end of double threaded screw 5 passes through pressure
Waist through hole on plate 4, and by clamp nut 6 and the clamping press plate of compression spring 7；Rail 3 is shelved on clamp bottom board 2, pressing plate 4
One end be pressed in rail 3 upper limb as baffle plate, a jack 8 is set between the other end and clamp bottom board 2；Second block pressur plate 4
It is fixed on by fastening bolt on clamp bottom board 2, its end offsets as location-plate with the bottom of rail 3.
During rail head of rail milling inclined-plane, bolt is tightened after adjusting the pressing plate 4 of bottom, sufficient amount is chosen to install according to Workpiece length
Built-up jig (this figure is the signal of part clamping, in the one steel rail 3 of left and right sides clamping two to be processed behaviour simultaneously on lathe
Make).
Using example 4：
When fixture is used for into vertical milling plane heart rail reference plane (as shown in figure 11), at least three groups of built-up jigs, the heart are used altogether
Rail blank is shelved on the middle position for each built-up jig be arrangeding in parallel and processing is face-up；Each accessory in every group of built-up jig
Assembling mode is：Two right angle seats 15 are symmetrical arranged in heart rail blank both sides, the vertical panel of right angle seat 15 abuts heart rail blank
And heart rail blank is withstood with puller bolt and realizes clamping, its horizontal panel is fixed on clamp bottom board 2 with fixing bolt；Two pressures
Plate 4 is fixed on clamp bottom board 2 by fastening bolt respectively, and one end of pressing plate 4 is pressed on the horizontal panel of right angle seat 15, the other end with
Cushion block is set between clamp bottom board 2.
Using example 5：
By fixture be used for crouch the milling heart rail reference plane when (as shown in figure 12), altogether use at least three groups of built-up jigs, the heart
Rail blank is shelved on the side for each built-up jig be arrangeding in parallel and machined surface is towards outside；Each accessory in every group of built-up jig
Assembling mode is：In the bottom of heart rail blank, two jack 8 are set；The lower end of double threaded screw 5 screws in heavy on clamp bottom board 2
In hole or through hole, and fixation is realized by clamp nut 6；The upper end of double threaded screw 5 passes through the waist through hole on pressing plate 4, and by fastening
Nut 6 and the clamping press plate 4 of compression spring 7；One end of pressing plate 4 is pressed in the upper limb of heart rail blank as pressing plate, the other end and fixture
The 3rd jack 8 is set between bottom plate 2.
In Figure 12 on lathe the left and right sides radical center rail of clamping two with simultaneously be processed operation.Whole radical center rail blank bottom
Three positions are divided to lay six jack 8, due to heart rail black skin out-of-flatness, in order to obtain maximum support point, to ensure to clamp
Stability, so using multi-point support form, be easy to whole can uniform force, naturally, will not be because of some position stress
Point distort not pair, causes reference plane out-of-flatness after milling, influences subsequent handling and processes, does not reach required precision.Heart rail blank
After hanging on, the relative position on horizontal and vertical face and length is adjusted first with jack 8, it is ensured that allowance everywhere.
Top hold-down 4 is put among the position of jack 8 of bottom two, mixes up the height of the 3rd jack 8, it is ensured that pressing plate 4
Force acts on the centre of two Support Positions of jack 8 in bottom, tightens clamp nut 6, by Workpiece clamping.
Using example 6：
When fixture is used for into vertical milling plane thin type steel plate (as shown in figure 13), at least three groups of built-up jigs, thin type are used altogether
Steel plate is shelved on the middle position for each built-up jig be arrangeding in parallel and processing is face-up；The group of each accessory in every group of built-up jig
Dress mode is：Pressing plate 4 is set respectively in thin type steel plate both sides, pressing plate 4 is fixed on clamp bottom board 2 by fastening bolt；Wherein one
The end of pressing plate 4 and the side of thin type steel plate of side are offseted, and wedge top is set between the end of another pressing plate 4 and thin type side edge of steel plate
Block 16 and the component of wedge briquetting 17；The component includes the wedge jacking block 16 positioned at both sides and the wedge briquetting 17 positioned at centre, carves
The middle part of shape briquetting 17 is fixed on clamp bottom board by fastening bolt, the vertical planes of two outside portions of wedge jacking block 16 respectively with pressure
The end of plate 4 and thin type side edge of steel plate offset.In the also settable bolt fended off in the end of thin steel sheet, cut for blocking milling
The impulsive force cut prevents thin steel sheet from moving.
Because steel plate is relatively thin, area is larger, and length is longer, and general clamping is all more difficult.This fixture can solve
Thin plate clamping difficult problem, moreover it is possible to adjusted according to the width of plate, length-flexible, carry out clamping.Steel plate is to push up in its natural state
Tight clamping is unlikely to deform, and is unclamped distortionless wait of fixture steel plain and is changed, can meet the high workpiece demand of required precision very well.
Claims (10)
1. a kind of multipurpose built-up jig for milling bed, including platen and clamp bottom board, it is characterised in that in machine
The upper surface of bed workbench is provided with least two flutings being parallel to each other along its length, and the cross section of fluting is in inverted T-shape
Shape；Clamp bottom board is rectangle and arranged perpendicular to platen, is provided with clamp bottom board and platen fluting position
Insertion perforate corresponding to putting；Penetrate and step is set in perforate, and fixture bottom is realized with polygonal nut and soket head cap screw
Fastening between plate and platen；On clamp bottom board, set what at least two row equi-spaced aparts were arranged along its length
Tapped counterbore or through hole, installation protection plug screw in counterbore or through hole；
The fixture also includes at least one of following accessories or its combination：
Double threaded screw, its lower end can screw in the counterbore on clamp bottom board or through hole, and be fixed on clamp bottom board with clamp nut
On；Compression spring is arranged on screw body, the other end is provided with second clamp nut；
Jack, its one end are push rod, and the other end is leg, and leg can be used independently；
Pressing plate, its middle part are provided for the waist through hole through double threaded screw or fixing bolt；
Backing plate, its middle part are provided for the through hole through double threaded screw or fixing bolt；
Right angle seat, including two panels to intersect vertically, two panel form right angle sides, and realized and fixed with vertical floor；Its
In, set on horizontal panel for the through hole through fixing bolt, set on vertical panel for the tapped through hole through puller bolt；
Wedge jacking block and wedge briquetting component, wedge jacking block has two and both sides are respectively vertical plane and ramp, wedge briquetting
Both sides be lower inclined plane；The ramp of wedge jacking block and the smooth surface that the lower inclined plane of wedge briquetting is mutual cooperation, wedge
The middle part of briquetting is provided with the through hole being used for through fixing bolt；
Fixing bolt, its one end are hexagonal nuts, and the other end is with externally threaded screw rod；
Puller bolt, its one end are hexagonal nuts, and the other end is with externally threaded screw rod.
2. multipurpose built-up jig according to claim 1, it is characterised in that used using fixture as workpiece side block
When, the assembling mode of each accessory is any one following：
(1) double threaded screw screws in counterbore or through hole on clamp bottom board and realizes fixation by clamp nut, and its upper end passes through pressing plate
On waist through hole, and by nut and compression spring clamping press plate；It is located at double threaded screw both sides between pressing plate and clamp bottom board
A jack is respectively set, an end of pressing plate offsets with side surface of workpiece；
(2) double threaded screw screws in counterbore or through hole on clamp bottom board and realizes fixation by clamp nut, and its upper end passes through pressing plate
On waist through hole, and by nut and compression spring clamping press plate；It is located at double threaded screw both sides between pressing plate and clamp bottom board
The leg of a jack is respectively set, an end of pressing plate offsets with side surface of workpiece；
(3) after fixing bolt passes through the waist through hole on pressing plate, screw in and fixation is realized in counterbore or through hole on clamp bottom board, pressure
One end of plate offsets with side surface of workpiece；
(4) double threaded screw is screwed in counterbore or through hole on clamp bottom board, and screw rod sequentially passes through the first pressing plate, clamp nut, pressure
Contracting spring, the second pressing plate and clamp nut, two pressing plates realize fastening by two clamp nuts and compression spring；In two pressing plates
Between positioned at double threaded screw both sides respectively set the leg of a jack, the same side end of two pressing plates offsets with side surface of workpiece, under
Portion's pressing plate is as location-plate, and top hold-down is as baffle plate.
3. multipurpose built-up jig according to claim 1, it is characterised in that fixture is being used for milling rail flange of rail breach
When, it is using at least three groups of built-up jigs, the assembling mode of each accessory altogether：Backing plate is arranged on clamp bottom board, rail is shelved on
On backing plate, and its base to be processed is exposed in backing plate outer；The lower end of double threaded screw is screwed on clamp bottom board after passing through backing plate
Counterbore or through hole in, and by clamp nut realize fix；Double threaded screw upper end passes through the waist through hole on pressing plate, and by nut
With compression spring clamping press plate；One end of pressing plate is pressed in the upper limb of rail as pressing plate, and one thousand is set between the other end and backing plate
Jin top；Second pressing plate is placed on backing plate to be fixed on clamp bottom board as location-plate, and by fastening bolt.
4. multipurpose built-up jig according to claim 1, it is characterised in that fixture is being used for rail head of rail milling inclined-plane
When, it is using at least three groups of built-up jigs, the assembling mode of each accessory altogether：The lower end of double threaded screw screws in heavy on clamp bottom board
In hole or through hole, and realized and fixed by clamp nut；Double threaded screw upper end passes through the waist through hole on pressing plate, and by nut and pressure
Contracting spring clamp pressing plate；Rail is shelved on clamp bottom board, and one end of pressing plate is pressed in the upper limb of rail as pressing plate, the other end with
A jack is set between clamp bottom board；Second block pressur plate is fixed on clamp bottom board by fastening bolt, its end and rail bottom
Portion offsets as location-plate.
5. multipurpose built-up jig according to claim 1, it is characterised in that accurate fixture is used for into the vertical milling plane heart base of the rail
During face, at least three groups of built-up jigs are used altogether, and heart rail blank is shelved on the middle position for each built-up jig be arrangeding in parallel and added
Work is face-up；The assembling mode of each accessory is in every group of built-up jig：Two right angle seats are symmetrical arranged in heart rail blank both sides, directly
The vertical panel of angled seat, which against heart rail blank and with puller bolt withstands heart rail blank, to be realized and clamps, and its horizontal panel is to fix spiral shell
Bolt is fixed on clamp bottom board；Two pressing plates are fixed on clamp bottom board by fastening bolt respectively, and one end of pressing plate is pressed in right angle
On seat horizontal panel, cushion block is set between the other end and clamp bottom board.
6. multipurpose built-up jig according to claim 1, it is characterised in that fixture is being used for the milling heart base of the rail standard that crouches
During face, at least three groups of built-up jigs are used altogether, and heart rail blank is shelved on the side for each built-up jig be arrangeding in parallel and machined surface
Towards outside；The assembling mode of each accessory is in every group of built-up jig：In the bottom of heart rail blank, two jack are set；Double end
The lower end of screw rod is screwed in counterbore or through hole on clamp bottom board, and is realized and fixed by clamp nut；Double threaded screw upper end passes through
Waist through hole on pressing plate, and by nut and compression spring clamping press plate；One end of pressing plate is pressed in the upper limb conduct of heart rail blank
Pressing plate, the 3rd jack is set between the other end and clamp bottom board.
7. multipurpose built-up jig according to claim 1, it is characterised in that fixture is being used for vertical milling plane thin type steel plate
When, at least three groups of built-up jigs are used altogether, and thin type steel plate is shelved on the middle position for each built-up jig be arrangeding in parallel and processing
Up；The assembling mode of each accessory is in every group of built-up jig：Pressing plate is set respectively in thin type steel plate both sides, pressing plate is by fastening
It is bolted on clamp bottom board；Wherein the pressing plate end of side and the side of thin type steel plate offset, another pressing plate end
Wedge jacking block and wedge briquetting component are set between thin type side edge of steel plate；The component includes being located at the wedge jacking block of both sides and is located at
Middle wedge briquetting, the middle part of wedge briquetting are fixed on clamp bottom board by fastening bolt, two wedge jacking block outside portions
Vertical plane offsets with pressing plate end and thin type side edge of steel plate respectively.
8. according to the multipurpose built-up jig described in claim 1 to 7 any one, it is characterised in that the clamp bottom board
The bottom surface of both sides is provided with the keyway of opening, and keyway position is mutually corresponding with slotting position on platen；One positioning is flat
Key is fixed on clamp bottom board by soket head cap screw, and the half for positioning flat key is located in keyway, and second half is located at platen
On fluting in.
9. according to the multipurpose built-up jig described in claim 1 to 7 any one, it is characterised in that the work of the pressing plate
There is ramp as end, make its longitudinal cross-section wedge shaped.
10. according to the multipurpose built-up jig described in claim 1 to 7 any one, it is characterised in that by polygonal nut
Coordinate with soket head cap screw realize fastening between clamp bottom board and platen, in particular to：Polygonal nut is embedded in
In fluting, the bar portion of soket head cap screw passes through nested with polygonal nut after clamp bottom board；Polygonal nut is realized in fluting
It is spacing, it will not be rotated in fastening with the rotation of soket head cap screw；The head of soket head cap screw is by the step in insertion perforate
That realizes is spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720737105.4U CN207027017U (en) | 2017-06-23 | 2017-06-23 | Multipurpose built-up jig for milling bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720737105.4U CN207027017U (en) | 2017-06-23 | 2017-06-23 | Multipurpose built-up jig for milling bed |
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| Publication Number | Publication Date |
|---|---|
| CN207027017U true CN207027017U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720737105.4U Active CN207027017U (en) | 2017-06-23 | 2017-06-23 | Multipurpose built-up jig for milling bed |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127604A (en) * | 2017-06-23 | 2017-09-05 | 浙江贝尔通信集团有限责任公司 | A kind of multipurpose built-up jig for milling bed |
| CN109483284A (en) * | 2018-12-24 | 2019-03-19 | 四川明日宇航工业有限责任公司 | A kind of multi-purpose clamping kit and pressing plate tooling |
| CN111531388A (en) * | 2020-06-19 | 2020-08-14 | 保定天威保变电气股份有限公司 | Method for processing insulation slot of transformer core pulling plate and special combined tool thereof |
| CN111590123A (en) * | 2020-05-28 | 2020-08-28 | 安徽中志轨道交通装备制造有限公司 | Switch AT switch rail machining and positioning tool and using method thereof |
-
2017
- 2017-06-23 CN CN201720737105.4U patent/CN207027017U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127604A (en) * | 2017-06-23 | 2017-09-05 | 浙江贝尔通信集团有限责任公司 | A kind of multipurpose built-up jig for milling bed |
| CN109483284A (en) * | 2018-12-24 | 2019-03-19 | 四川明日宇航工业有限责任公司 | A kind of multi-purpose clamping kit and pressing plate tooling |
| CN111590123A (en) * | 2020-05-28 | 2020-08-28 | 安徽中志轨道交通装备制造有限公司 | Switch AT switch rail machining and positioning tool and using method thereof |
| CN111531388A (en) * | 2020-06-19 | 2020-08-14 | 保定天威保变电气股份有限公司 | Method for processing insulation slot of transformer core pulling plate and special combined tool thereof |
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| CP01 | Change in the name or title of a patent holder |
Address after: 324400 No. 5 Xingye Avenue, South Industrial New Town, Longyou County, Quzhou City, Zhejiang Province Patentee after: Zhejiang Bell Rail Equipment Co., Ltd. Address before: 324400 No. 5 Xingye Avenue, South Industrial New Town, Longyou County, Quzhou City, Zhejiang Province Patentee before: Zhejiang Bell Communication Group Co., Ltd. |
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