CN109333112A - A kind of upper mold Special Fixture for Machining and processing method - Google Patents

A kind of upper mold Special Fixture for Machining and processing method Download PDF

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Publication number
CN109333112A
CN109333112A CN201811479611.3A CN201811479611A CN109333112A CN 109333112 A CN109333112 A CN 109333112A CN 201811479611 A CN201811479611 A CN 201811479611A CN 109333112 A CN109333112 A CN 109333112A
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CN
China
Prior art keywords
upper mold
regulating part
support element
die holder
lower support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201811479611.3A
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Chinese (zh)
Inventor
张波
张帆
张一帆
王克文
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ANHUI LIYUAN CNC BLADE MOLD MANUFACTURING Co Ltd
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ANHUI LIYUAN CNC BLADE MOLD MANUFACTURING Co Ltd
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Priority to CN201811479611.3A priority Critical patent/CN109333112A/en
Publication of CN109333112A publication Critical patent/CN109333112A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/04Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part adjustable in inclination
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material

Abstract

The invention discloses a kind of upper mold Special Fixture for Machining and processing methods, belong to mould steel processing equipment field.It includes die holder, lower support element, upper regulating part and angle adjusting mechanism;Die holder clamps position with installation upper mold, and lower support element and upper regulating part are movably connected in the both ends of die holder;Angle adjusting mechanism connects upper regulating part, die holder can be driven to rotate by supporting point of lower support element by upper regulating part, to adjust the cutting edge face angle degree of upper mold, the cutting edge face of upper mold be made to be in horizontal Working position;Lower height between regulating part and reference support face is determined by mathematical model, that is, is determined the rotational angle of die holder, its height is finely adjusted in conjunction with the voussoir of a pair of of inclined-plane cooperation, to adapt to the milling in the upper mold cutting edge face little to angle change.The present invention can not have to replacement milling machine structure, can milling different angle upper mold cutting edge face, and guarantee high to the positioning accuracy in upper mold cutting edge face, the stability of strutting system of fixture is strong.

Description

A kind of upper mold Special Fixture for Machining and processing method
Technical field
The invention belongs to mould steel processing equipment field, more specifically to a kind of upper mold Special Fixture for Machining and Processing method.
Background technique
Milling operation is the common processing technology of steel, is mainly used for the polishing of steel surface, polishes and groove operation. Generally, be to the milling operation of workpiece directly processed on the milling platform of milling machine, but for some in irregular shape or The biggish workpiece of person's volume is just not easy to directly process on milling machine.Upper mold especially on bending machine copes with different productions The bending demand of product, the bending degree of upper mold also with variation, and to the bending precision of upper mold require it is very high, cause The difficulty of processing of upper mold is big, the bending angle multiplicity of processing.
For processing bending degree, upper mold not of uniform size, traditional method is to be allowed to actively suitable by the way that milling machine is transformed It answers, either the position except milling machine is fixed upper mold by artificial or clamping device, in both modes, the A method of milling machine is transformed, improvement cost is larger, and improved milling machine can only often adapt to specific shape Upper mold, adaptability is not strong, transformation cost performance it is not high;For the second way, by the side for manually gripping upper mold The right difficulty of Faxian is larger, and manual working intensity is big, and milling mismachining tolerance is big, in addition, being consolidated by clamping device to upper mold Fixed, in this fashion according to different upper mold types, made clamping device can only often adapt to certain specific shape The upper mold of size, applicability is bad, and especially after upper mold process finishing, made clamping device will leave unused, and causes Waste.
For example, Chinese Patent Application No. is 201721122791.0, application publication date is the patent Shen on April 10th, 2018 Please file disclose a kind of mould steel Special grinding milling clamper.The fixture of the patent has the pedestal for placing mould steel, in platform The milling fixture of adjustable milling angle is installed, the milling fixture has the magnetism for clamping mould steel on the seat surface of seat Chuck body, the positive face milling machine of the magnetic clamp ontology, the back side of magnetic clamp ontology is equipped with electromagnet, magnetic holder One end of tool body bottom portion is movably articulated on pedestal, and the other end of bottom is connected with for adjusting magnetic clamp ontology inclination angle The lifting cylinder of degree;The patent applicability is preferable, can well adapt to volume or length is larger and the mould of surface imperfection Have steel, greatly reduces cost of labor and equipment cost, have a good application prospect.But the patent is adsorbed using electromagnet Mode mould steel is fixed on magnetic clamp ontology, can only add and equally have magnetic steel, and for it is some not Can be by the metal material of magnetic absorption, such as aluminium cannot use the magnetic clamp be clamped processing, and the material of processing has There is limitation, and use is electromagnetically at high cost, energization can also have security risk, be easy to make the worker injuries of processing.
For another example, Chinese Patent Application No. 201711077719.5, application publication date are the patent Shen on March 23rd, 2018 Please file disclose a kind of steel construction grinding device convenient for clamping and can be changed grinding angle.Which disclose one kind just In the steel construction grinding device that clamps and can be changed grinding angle, including weight bearing foundation, the two sides of the bottom of the weight bearing foundation It is fixedly installed with bearing leg, the opposite side of bearing leg is fixedly installed with the securing plate positioned at weight bearing foundation bottom, institute The top two sides for stating weight bearing foundation are fixedly installed with column, and dust-proof top plate, the weight bearing foundation is fixedly mounted in the top of column Top offer horizontal concrete chute, what the opposite side of the column was fixedly installed with above weight bearing foundation first electronic pushes away Bar.This is convenient for the steel construction grinding device that clamps and can be changed grinding angle, and by the way that the first driving motor is arranged, first is driven Electric motor starting drives sanding block to rotate in the front surface of vertical plate by shaft, to adjust the angle of polishing pad, is suitable for difference The processing request of workpiece.But the oversized and various shapes of general upper mold, and the upper mold precision completed the process is wanted Ask very high, which processes the workpiece of different-diameter, and it cannot be applicable in and different angle machined surface is rotated, therefore not It is able to satisfy the upper mold for processing different bending angles, and the device uses electric elements, structure is complicated and at high cost.
Therefore, one is developed for save the cost and labour for processing the bending machine upper mold of different bending angles Kind structure is simple and is suitable for the upper mold Special Fixture for Machining of existing milling machine, come the upper mold for keeping various shape not of uniform size The cutting edge face to be processed of tool is in horizontal Working position, and milling machine is facilitated to carry out processing and milling to upper mold cutting edge face to be processed, Just become urgent problem to be solved.
Summary of the invention
1. to solve the problems, such as
There are different bending angles for existing bending machine upper mold, different upper molds are difficult to adapt to using plain-milling machine The problem of cutting edge face angle degree is processed, the present invention provides a kind of upper mold Special Fixture for Machining, can adjust milling needed for upper mold The cutting edge face angle degree of processing is not changing milling machine structure so that upper mold cutting edge face to be processed is in relative level state Under the premise of carry out high-efficient milling cutting edge face.
The present invention also provides a kind of processing methods of upper mold, using above-mentioned upper mold Special Fixture for Machining to upper mold The cutting edge face of tool carries out Milling Process, can processing cutting edge face needed for flexible modulation milling angle, to meet a variety of upper molds The Milling Process requirement of different cutting edge angles, easy to operate, milling efficiency is high.
2. technical solution
To solve the above-mentioned problems, the technical solution adopted in the present invention is as follows:
A kind of upper mold Special Fixture for Machining, including die holder, lower support element, upper regulating part and angle adjusting mechanism;It is described Die holder clamps position with installation upper mold;The lower support element and upper regulating part are movably connected in the both ends of die holder;Institute It states angle adjusting mechanism and connects upper regulating part, die holder can be driven to rotate by supporting point of lower support element by upper regulating part, thus Adjust the cutting edge face angle degree for clamping installed upper mold on position.
Further, the lower support element and upper regulating part are cylinder;The die holder is equipped with and lower support element phase The lower limit slot of cooperation, and equipped with the upper limit position groove matched with upper regulating part;The lower limit slot is trough with straight angle, two slots Face is engaged with lower support element surface;The upper limit position groove is arc groove, and surface and the support of arc groove face of upper regulating part are matched It closes, and upper regulating part is connect by bolt with die holder.
It further, further include pedestal;The pedestal is equipped with V-groove, and lower support element support is arranged in V-groove;Institute The both ends for stating lower support element are detachably compressed by gland.
Further, the horizontal plane concordant with base end face is benchmark supporting surface.
Further, the gland both ends are bolted on pedestal, and gland is domes, i.e. middle position There is the arc groove of cooperation lower support element, gland compresses lower support element by arc groove thereon, wherein be located at arc on gland Respectively there are a chain-wales at slot two-end-point, for cooperating the V-groove both ends being pressed on pedestal, after the completion of preventing lower support element from adjusting It rotates again.
Further, the angle adjusting mechanism includes height-adjustable support column;The upper regulating part support is set to A supporting table can be fixed on the upper surface of support column, under support column, the supporting surface of supporting table is greater than the bottom surface of support column, protects Card support column can consolidate placement.
Further, the angle adjusting mechanism includes the voussoir of a pair of of inclined-plane cooperation, adjusts bolt and guide and limit part; Upper voussoir supports upper regulating part in a pair of of voussoir, and guide and limit part is moved horizontally for limiting voussoir;The adjusting Bolt may be rotatably mounted on guide and limit part, and can be connected by nut check, end with lower wedge block rotation in a pair of of voussoir It connects;The cross-sectional length of upper voussoir is greater than the cross-sectional length of lower wedge block, and the space that upper voussoir and guide and limit part are formed is lower wedge block Sliding space, upper voussoir along its vertical direction slide.Wherein, guide and limit part is fixed on reference support face, with pedestal shape At the sliding groove of upper and lower voussoir, i.e., when adjusting bolt lower wedge block being driven to move downward, upper voussoir slide downward therewith, to adjust Low upper regulating part, rotates counterclockwise die holder;Conversely, when adjust bolt drive lower wedge block move right when, upper voussoir therewith to Upper sliding rotates clockwise die holder so that upper regulating part is turned up.
It further, further include pressing plate;The position that clamps on the die holder includes supporting surface and positioning surface;T is opened up on die holder Type groove, the rear end of pressing plate are fitted on die holder by the T-bolt and nut for being packed into T-slot, the front end of pressing plate be equipped with The boss that the mounting groove of upper mold matches can not only prevent upper mold to be detached from folder during milling machine milling cutting edge face Position is filled, upper mold can also be limited and clamping moving up and down on position, upper mold can be pressed on supporting surface.
Further, the angle between the supporting surface and positioning surface is 30 °~150 °.
Further, parallel between the bottom surface of the pressing plate and supporting surface.
Further, the vertical range in the upper regulating part bottom surface to reference support face is H=Lsin (θ-α)+h-R, Wherein:
Distance of shaft centers between L --- lower support element and upper regulating part;
Angle between the cutting edge face of θ --- upper mold and supporting surface;
Distance of shaft centers line between α --- lower support element and upper regulating part and the angle between supporting surface;
H --- vertical range of the lower support element axle center to reference support face;
R --- the bottom surface radius of upper regulating part.
A kind of processing method of upper mold, the steps include:
(A) clamp for machining is assembled;
(B) upper mold is placed in the clamping on position of die holder, keeps cutting edge to be processed face-up, at this point, upper mold is to be processed Angle between cutting edge face and the supporting surface for clamping position is θ;
(C) it measures respectively: the distance of shaft centers L between lower support element and upper regulating part;Lower support element and upper regulating part distance of shaft centers Angle α between line and supporting surface;Vertical range h of the lower support element axle center to reference support face;The radius R of upper regulating part;
(D) according to formula H=L × sin (θ-α)+h-R, supporting point hanging down to reference support face in regulating part bottom in calculating Directly distance H, and die holder rotation is driven by angle adjusting mechanism, so that upper regulating part reaches desired height H;
(E) the cutting edge face of milling machine Milling Process upper mold is used.
Further, the angle adjusting mechanism is support column;In the step (D), by under upper regulating part The support column that side's support regular length is H, upper regulating part is adjusted to desired height H.
Further, the angle adjusting mechanism includes the voussoir of a pair of of inclined-plane cooperation, adjusts bolt and guide and limit Part, upper voussoir supports upper regulating part in a pair of of voussoir, and guide and limit part is moved horizontally for limiting voussoir;The tune Section bolt may be rotatably mounted on guide and limit part, and can be rotated by nut check, end with lower wedge block in a pair of of voussoir Connection;
Adjustment process of the angle adjusting mechanism to upper regulating part in the step (D) are as follows: adjusted on bolt firstly, unclamping Nut;Then, rotation adjusts bolt driving lower wedge block and moves horizontally, and voussoir moves along the vertical direction in drive;When upper regulating part When reaching desired height H, adjusts bolt and stop operating;Finally, locking adjusts the nut on bolt.
3. beneficial effect
Compared with the prior art, the invention has the benefit that
(1) present clip adjusts the height of upper regulating part by angle adjusting mechanism, rotates die holder, until clamping position Interior upper mold cutting edge face to be processed is in the Working position of relative level, and by the fixed support die holder of lower support element, obtains The upper mold Special Fixture for Machining arrived, it is ensured that do not have to replacement milling machine structure, used with adapting to the bending machine of milling angle multiplicity Upper mold;And the blade angle variation of the upper mold due to that need to process is generally not very greatly, when the rotation for needing to finely tune die holder When angle, using the automatic lifting mode of other such as cylinders etc, the amplitude of accommodation of support column can be made excessive without being able to satisfy The cutting edge face of upper mold reaches the requirement of Working position, the voussoir that the present invention uses a pair of of inclined-plane to cooperate as angular adjustment machine Structure may be implemented to continuously adjust support column, and the height change small to its reaches the degree fine-tuned, i.e., to die holder Positioning accuracy it is high, in order to be suitable for the Working position that the upper mold cutting edge face of angular diversity is in relative level;
(2) the upper regulating part of present clip is cylinder, and upper limit position groove is the arc groove matched with upper regulating part, can The area of support is contacted in increase between regulating part and upper limit position groove, and is bolted between upper regulating part and die holder, side Just while disassembly, when also can guarantee that lower regulating part is in stationary state, rotation is not generated, influences the milling in upper mold cutting edge face Angle reinforces the stability of strutting system to upper mold, if taking for example between upper regulating part and die holder or between die holder and support column Hinged connection type can limit the movement of regulating part, cannot but limit the rotation of regulating part, will affect upper mold The milling angle in cutting edge face;
(3) lower support element of present clip be cylinder, be placed in the V-groove of pedestal, and under the right angle on die holder Limiting slot contact, the setting of more contact points, the pressure generated when milling cutting edge face can be dispersed prevent the cylindrical side of lower support element It skids and the machining angle in the cutting edge face on upper mold is made to deviate Working position in face;When die holder is rotated around lower support element, due to Contact surface between lower support element and die holder, between lower support element and pedestal is small, and the force of rolling friction of lower support element is small, can be with The friction loss for reducing fixture, improves the service life of fixture;The arch gland that die holder and lower support element are fixed on the base, It is equipped with the arc groove cooperated with lower support element and arc groove both sides among it and cooperates the bottom contacted with the V-groove both sides of pedestal Face, the downward pressure generated when being conducive to gland milling cutting edge face, downwardly and outwardly passes to adjacent part, due to spiral shell Bolt fixes gland, can resist arch gland each section and be under pressure the extrapolability of generation, thus arch gland can bear it is huge Pressure is conducive to the stability of strutting system of present clip;
(4) die holder of present clip is equipped with clamping plate, the mounting groove of the boss cooperation insertion upper mold side on clamping plate In, further upper mold can be clamped in and clamped on position, not only prevent upper mold disengaging from clamping position, upper mold can also be limited and existed Moving up and down on position is clamped, guarantees that the milling angle in upper mold cutting edge face is in relative level Working position;
(5) present invention is by measuring the distance of shaft centers of upper regulating part and lower support element, the cutting edge face of upper mold and supporting surface it Between angle, the distance of shaft centers line between lower support element and upper regulating part and the angle between supporting surface, lower support element axle center are arrived The vertical range in reference support face, these preset parameters of the bottom surface radius of upper regulating part, founding mathematical models can be calculated precisely Upper regulating part bottom surface to reference support face vertical range, in order to select the support column of appropriate length or be fine-tuning to support column Desired height makes the milling angle in upper mold cutting edge face be in relative level Working position, guarantees its positioning accuracy height;
(6) inventive die fixture for processing, structure is simple, and design is rationally, easily fabricated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the upper mold Special Fixture for Machining in the embodiment of the present invention 2;
Fig. 2 is the structural schematic diagram of the upper mold Special Fixture for Machining in the embodiment of the present invention 3;
Fig. 3 is the structural schematic diagram of die holder in upper mold Special Fixture for Machining of the present invention;
Fig. 4 is the structural schematic diagram of gland in upper mold Special Fixture for Machining of the present invention;
Fig. 5 is the machining state schematic diagram of upper mold Special Fixture for Machining of the present invention;
In figure:
1, die holder;101, supporting surface;102, positioning surface;103, lower limit slot;104, upper limit position groove;2, position is clamped;3, on Mold;301, cutting edge face;4, lower support element;5, upper regulating part;6, pressing plate;601, boss;7, T-bolt;8, upper voussoir;9, under Voussoir;10, guide and limit part;11, bolt is adjusted;12, support column;13, supporting table;14, gland;15, pedestal;16, benchmark branch Support face.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
Embodiment 1
A kind of upper mold Special Fixture for Machining of the present embodiment, including die holder 1, lower support element 4, upper regulating part 5 and angle Regulating mechanism.
In conjunction with shown in Fig. 3 and Fig. 5, die holder 1 includes supporting surface 101, positioning surface 102, lower limit slot 103 and upper limit position groove 104;Supporting surface 101 and positioning surface 102 are mutually perpendicular to, and formed positioned at the top of die holder 1, supporting surface 101 and positioning surface 102 Space clamps position 2 as clamp upper mold 3;Lower limit slot 103 is trough with straight angle, set on the lower end of 1 bottom surface of die holder, lower limit Cylindrical lower support element 4 is placed in cooperation in slot 103;Upper limit position groove 104 is arc groove, is provided close to the upper end of 1 bottom surface of die holder Portion position, upper limit position groove 104 is interior to place cylindrical upper regulating part 5;1 fixed placement of die holder is on pedestal 15.
Two right-angle surfaces of the lower limit slot 103 of the upper contact die holder 1 of lower support element 4, the lower contacts of lower support element 4 It is placed in the V-groove for being located at 15 center of pedestal, die holder 1 can be rotated around lower support element 4, when need to fix the angle of die holder 1, the bottom of at A gland 14 is fixed with bolt on seat 15, gland 14 cooperates pedestal 15 to use;
The arc groove of upper limit position groove 104 on the upper contact die holder 1 of upper regulating part 5, is bolted regulating part 5 It is placed on angle adjusting mechanism with the bottom of die holder 1, and upper regulating part 5, upper regulating part 5 can drive the die holder 1 to be with lower support element 4 Supporting point rotation, to adjust the machined surface angle for clamping installed upper mold 3 on position 2.
Angle adjusting mechanism includes support column 12, and the upper support of support column 12 lives in regulating part 5, the lower part of support column 12 It is placed on reference support face 16, the bottom surface of reference support face 16 and pedestal 15 is on the same face.
Upper mold 3 is placed in and is clamped in position 2, and a face contact of upper mold 3 is placed on supporting surface 101, upper mold Another vertical face contact positioning surface 102 on tool 3 makes cutting edge face 301 on upper mold 3 upward.
As shown in figure 5, measuring respectively: the distance of shaft centers L=173cm between lower support element 4 and upper regulating part 5, upper mold 3 Angle theta=45 ° between cutting edge face 301 and supporting surface 101, distance of shaft centers line and branch between lower support element 4 and upper regulating part 5 Angle α=8 ° between support face 101, the vertical range h=103cm in 4 axle center of lower support element to reference support face 16, upper regulating part 5 bottom surface radius R=22cm.
According to formula H=Lsin (θ-α)+h-R, be calculated 5 bottom surface of regulating part to reference support face 16 it is vertical away from It is 185.114cm from H, i.e., angle adjusting mechanism may include the support column 12 that a length is 185.114cm, upper regulating part 5 Bottom is placed on the top surface of support column 12, and support column 12 is used to support and fixes the position of regulating part 5, at this point, die holder 1 Angle is fixed, and the cutting edge face 301 of upper mold 3 upward is in horizontal Working position.
The angle of die holder 1 is determined, then gland 14 is fixed on pedestal 15, is i.e. 14 both ends of gland are bolted on On pedestal 15,14 interposition of gland is equipped with the arc groove of cooperation lower support element 4, and gland 14 is compressed down by arc groove thereon Supporting element 4, wherein being located at arc groove two-end-point on gland 14 respectively has a chain-wales, on the both ends of chain-wales and pedestal 15 Two end in contact of V-groove, the both ends of lower support element 4 detachably compress lower support element 4 by gland 14, prevent 4 turns of lower support element It is dynamic.The structure of gland 14 is as shown in Figure 5.
According to the needs of processing, T-slot can also be opened up on the die holder 1 of the present embodiment, add a pressing plate 6, pressing plate 6 Rear end be fitted on die holder 1 by the T-bolt 7 and nut for being packed into T-slot, the cooperation of the boss 601 of 6 front end of pressing plate is inserted In the mounting groove for entering upper mold 3, mounting groove is the existing sunk structure that this upper mold 3 is fixed on bending machine workbench, pressure Upper mold 3 can be pressed on supporting surface 101 by plate 6, wherein the bottom surface of pressing plate 6 contacts a face of upper mold 3 and and supporting surface 101 is parallel, and pressing plate 6 can further compress the upper mold 3 for being in and clamping in position 2, prevent upper mold 3 moved in position 2 clamping and Influence the machining angle of upper mold 3.
Existing cutting edge face 301, in the upper mold 3 of 45 ° of angles, uses a kind of upper mold of the present embodiment to process with supporting surface 101 The step of special fixture processes it, specifically used method are as follows:
(A) lower support element 4 is lying placed in the V-groove of pedestal 15, then by the lower limit slot 103 of 1 lower end of die holder It is placed on lower support element 4;
(B) upper mold 3 is placed in and is clamped on position 2, make cutting edge face 301 upward, at this point, the cutting edge face that upper mold 3 is to be processed Angle between 301 and supporting surface 101 is 45 °, then is pushed down with the front end of pressing plate 6 in the mounting groove of side of upper mold 3, pressing plate 6 rear end is fixed on die holder 1 by T-bolt 7;
(C) measure respectively: the distance of shaft centers L between lower support element 4 and upper regulating part 5 is 173cm;Lower support element 4 and up-regulation Saving the angle α between 5 distance of shaft centers line of part and supporting surface 101 is 8 °;4 axle center of lower support element to reference support face 16 it is vertical away from It is 103cm from h;The bottom surface radius R of upper regulating part 5 is 22cm;
(D) according to formula H=Lsin (θ-α)+h-R, 5 bottom supporting point of regulating part hanging down to reference support face 16 in calculating Directly distance H is 185.114cm, then selects length for the support column 12 of 185.114cm, is placed in below regulating part 5 for branch The fixed upper regulating part 5 of support, drives die holder 1 to rotate around lower support element 4, the cutting edge face 301 of final upper mold 3 is in Working position shape State.
Comparative example 1
This comparative example is substantially the same manner as Example 1, the difference is that: upper regulating part 5 changes into hingedly with lower support element 4 Part is fixed between 1 top of die holder and support column 12 by articulation piece, 1 lower part of die holder is fixed on pedestal 15 by articulation piece. No doubt articulation piece can control the movement of die holder, but can generate biggish pressure at 3 cutting edge face 301 of milling tool upper mold Power, articulation piece easily rotate, so that cutting edge face 301 be made to deviate Working position.
Embodiment 2
It is excessive in order to solve operating force in embodiment 1 in process, the fixed unstable situation of support column 12, this implementation Example a kind of upper mold Special Fixture for Machining, structure substantially with embodiment 1, the difference is that: as shown in Figure 1, this reality The angle adjusting mechanism for applying example includes support column 12 and supporting table 13, and a supporting table 13 is welded and fixed in the bottom of support column 12, The i.e. upper support of regulating part 5 is set on the upper surface of support column 12, and a supporting table 13, supporting table 13 are welded below support column 12 Supporting surface be greater than support column 12 bottom surface, guarantee support column 12 can consolidate placement.
Existing cutting edge face 301, in the upper mold 3 of 45 ° of angles, uses a kind of upper mold of the present embodiment to process with supporting surface 101 The application method of special fixture are as follows: step are as follows:
(A) lower support element 4 is lying placed in the V-groove of pedestal 15, then by the lower limit slot 103 of 1 lower end of die holder It is placed on lower support element 4;
(B) upper mold 3 is placed in and is clamped on position 2, make cutting edge face 301 upward, at this point, the cutting edge face 301 of upper mold 3 and branch Angle between support face 101 is 45 °, then the side of upper mold 3 is pushed down with the front end of pressing plate 6, and the rear end of pressing plate 6 passes through T-type spiral shell Bolt 7 is fixed on die holder 1;
(C) measure respectively: the distance of shaft centers L between lower support element 4 and upper regulating part 5 is 173cm;Lower support element 4 and up-regulation Saving the angle α between 5 distance of shaft centers line of part and supporting surface 101 is 8 °;4 axle center of lower support element to reference support face 16 it is vertical away from It is 103cm from h;The bottom surface radius R of upper regulating part 5 is 22cm;
(D) according to formula H=Lsin (θ-α)+h-R, vertical range of 5 bottom of regulating part to reference support face 16 in calculating H is 185.114cm, and length is then selected to be fixedly welded on the supporting table 13 that height is 30cm for the support column 12 of 155.114cm On, so that regulating part 5 is fixed on the upper surface of support column 12, upper regulating part 5 drives die holder 1 to rotate around lower support element 4, it is final on The cutting edge face 301 of mold 3 is in Working position state.
Embodiment 3
Production is caused to add to support the upper regulating part 5 of fixation to solve to need to change the length of support column 12 in embodiment 1 Excessively bothersome laborious situation during work, and realize the precision being finely adjusted to the height of support column 12, one kind of the present embodiment Upper mold Special Fixture for Machining, structure substantially with embodiment 1, the difference is that: as shown in Fig. 2, the angle of the present embodiment Degree regulating mechanism includes the voussoir of a pair of of inclined-plane cooperation, adjusts bolt 11 and guide and limit part 10.
Upper voussoir 8 supports regulating part 5 in a pair of of voussoir, and guide and limit part 10 is used to limit the horizontal of voussoir 8 and moves It is dynamic;Adjusting bolt 11 may be rotatably mounted on guide and limit part 10, and lower wedge block 9 is rotatablely connected in end and a pair of of voussoir, on The cross-sectional length of voussoir 8 is greater than the cross-sectional length of lower wedge block 9, and the space that upper voussoir 8 and guide and limit part 10 are formed is lower wedge block 9 Sliding space, upper voussoir 8 along its vertical direction slide.Wherein, guide and limit part 10 is fixed on reference support face 16, the bottom of with Seat 15 forms the sliding groove of upper and lower voussoir, i.e., when adjusting bolt 11 drives lower wedge block 9 to move downward, upper voussoir 8 is downward therewith Sliding, to turn down upper regulating part 5, rotates counterclockwise die holder 1;Conversely, driving lower wedge block 9 to move right when adjusting bolt 11 When, upper voussoir 8 upward sliding therewith rotates clockwise die holder 1 so that upper regulating part 5 is turned up.
Existing cutting edge face 301, in the upper mold 3 of 42 ° of angles, is added with supporting surface 101 using a kind of upper mold of the present embodiment The application method of work special fixture: the steps include:
(A) lower support element 4 is lying placed in the V-groove of pedestal 15, then by the lower limit slot 103 of 1 lower end of die holder It is placed on lower support element 4;
(B) upper mold 3 is placed in and is clamped on position 2, make cutting edge face 301 upward, at this point, the cutting edge face 301 of upper mold 3 and branch Angle between support face 101 is 42 °, then the side of upper mold 3 is pushed down with the front end of pressing plate 6, and the rear end of pressing plate 6 passes through T-type spiral shell Bolt 7 is fixed on die holder 1;
(C) measure respectively: the distance of shaft centers L between lower support element 4 and upper regulating part 5 is 173cm;Lower support element 4 and up-regulation Saving the angle α between 5 distance of shaft centers line of part and supporting surface 101 is 8 °;4 axle center of lower support element to reference support face 16 it is vertical away from It is 103cm from h;The bottom surface radius R of upper regulating part 5 is 22cm;
(D) according to formula H=Lsin (θ-α)+h-R, vertical range of 5 bottom of regulating part to reference support face 16 in calculating H is 177.74cm;The nut adjusted on bolt 11 is unclamped, then, rotation adjusts bolt 11 and lower wedge block 9 is driven to move horizontally, band Dynamic upper voussoir 8 moves along the vertical direction, i.e.,
When lower wedge block 9 slides to the left, upper 8 slide downward of voussoir, support column 12 is reduced;
When lower wedge block 9 slides to the right, upper 8 upward sliding of voussoir, support column 12 is increased;
Make 5 bottom surface of regulating part to the vertical range 177.74cm in reference support face 16, the cutting edge face of final upper mold 3 301 are in Working position state, adjust bolt 11 and stop operating, finally, locking adjusts the nut on bolt 11, using milling cutter pair The cutting edge face 301 of upper mold 3 carries out milling.
Embodiment 4
The present embodiment is substantially the same manner as Example 3, the difference is that: it is formed between supporting surface 101 and positioning surface 102 Angle be 30 °, for the fixed upper mold 3 containing 30 ° of angles, the cutting edge face 301 of upper mold 3 is made to be located at horizontal machining position.
A kind of application method of upper mold Special Fixture for Machining of the present embodiment is substantially the same manner as Example 3.
Embodiment 5
The present embodiment is substantially the same manner as Example 3, the difference is that: it is formed between supporting surface 101 and positioning surface 102 Angle be 150 °, for the fixed upper mold 3 containing 150 ° of angles, the cutting edge face 301 of upper mold 3 is made to be located at horizontal machining position.
A kind of application method of upper mold Special Fixture for Machining of the present embodiment is substantially the same manner as Example 3.

Claims (10)

1. a kind of upper mold Special Fixture for Machining, including die holder (1), the die holder (1) clamps position with installation upper mold (3) (2), it is characterised in that: further include lower support element (4), upper regulating part (5) and angle adjusting mechanism;The lower support element (4) and Upper regulating part (5) is movably connected in the both ends of die holder (1);The angle adjusting mechanism connects upper regulating part (5), by upper Regulating part (5) can drive die holder (1) for supporting point rotation, to clamp installed upper mold on position (2) to adjust with lower support element (4) Has cutting edge face (301) angle of (3).
2. a kind of upper mold Special Fixture for Machining according to claim 1, it is characterised in that: the lower support element (4) and Upper regulating part (5) is cylinder;The die holder (1) is equipped with the lower limit slot (103) matched with lower support element (4), with And it is equipped with the upper limit position groove (104) matched with upper regulating part (5);The lower limit slot (103) be trough with straight angle, two groove faces with Lower support element (4) surface is engaged;The upper limit position groove (104) is arc groove, the surface of upper regulating part (5) and arc groove face Support cooperation.
3. a kind of upper mold Special Fixture for Machining according to claim 1, it is characterised in that: further include pedestal (15);Institute Pedestal (15) are stated equipped with V-groove, lower support element (4) support is arranged in V-groove;The both ends of the lower support element (4) pass through Gland (14) detachably compresses.
4. a kind of upper mold Special Fixture for Machining according to claim 1, it is characterised in that: the angle adjusting mechanism packet Include height-adjustable support column (12);Upper regulating part (5) support is set on the upper surface of support column (12).
5. a kind of upper mold Special Fixture for Machining according to claim 1, it is characterised in that: the angle adjusting mechanism packet It includes the voussoir of a pair of of inclined-plane cooperation, adjust bolt (11) and guide and limit part (10);Upper voussoir (8) branch in a pair of of voussoir Regulating part (5) in support, guide and limit part (10) are moved horizontally for limiting voussoir (8);The adjusting bolt (11) can be rotated It is mounted on guide and limit part (10), and can be rotatablely connected by nut check, end with lower wedge block (9) in a pair of of voussoir.
6. a kind of upper mold Special Fixture for Machining according to claim 1, it is characterised in that: further include pressing plate (6);It is described The position (2) that clamps on die holder (1) includes supporting surface (101) and positioning surface (102);T-slot is opened up on die holder (1), pressing plate (6) Rear end is fitted on die holder (1) by the T-bolt (7) and nut for being packed into T-slot, and the front end of pressing plate (6) can be by upper mold Tool (3) is pressed on supporting surface (101).
7. a kind of upper mold Special Fixture for Machining according to claim 4 or 5 any one, it is characterised in that: described The vertical range of upper regulating part (5) bottom surface to reference support face (16) is H=Lsin (θ-α)+h-R, in which:
Distance of shaft centers between L --- lower support element (4) and upper regulating part (5);
Angle between the cutting edge face (301) and supporting surface (101) of θ --- upper mold (3);
Angle between distance of shaft centers line between α --- lower support element (4) and upper regulating part (5) and supporting surface (101);
Vertical range of h --- lower support element (4) axle center to reference support face (16);
R --- the radius of upper regulating part (5).
8. a kind of processing method of upper mold, using upper mold Special Fixture for Machining as stated in claim 2 to upper mold Cutting edge face (301) carries out Milling Process, the steps include:
(A) clamp for machining is assembled;
(B) upper mold (3) is placed in the clamping on position (2) of die holder (1), makes cutting edge face (301) to be processed upward, at this point, upper mold The angle having between the cutting edge face (301) to be processed and the supporting surface (101) for clamping position (2) of (3) is θ;
(C) it measures respectively: the distance of shaft centers L between lower support element (4) and upper regulating part (5);Lower support element (4) and upper regulating part (5) angle α between distance of shaft centers line and supporting surface (101);Lower support element (4) axle center to reference support face (16) it is vertical away from From h;The radius R of upper regulating part (5);
(D) according to formula H=L × sin (θ-α)+h-R, regulating part (5) bottom supporting point is to reference support face (16) in calculating Vertical range H, and by angle adjusting mechanism driving die holder (1) rotation, so that upper regulating part (5) reaches desired height H;
(E) the cutting edge face (301) of milling machine Milling Process upper mold (3) is used.
9. a kind of processing method of upper mold according to claim 8, it is characterised in that: the angle adjusting mechanism is Support column (12);In the step (D), by upper regulating part (5) supported underneath regular length be H support column (12), Upper regulating part (5) is adjusted to desired height H.
10. a kind of processing method of upper mold according to claim 8, it is characterised in that: the angle adjusting mechanism Voussoir including the cooperation of a pair of of inclined-plane adjusts bolt (11) and guide and limit part (10), goes up voussoir (8) in a pair of of voussoir Regulating part (5) in support, guide and limit part (10) are moved horizontally for limiting voussoir (8);The adjusting bolt (11) can turn It is dynamic to be mounted on guide and limit part (10), and can be connected by nut check, end with lower wedge block (9) rotation in a pair of of voussoir It connects;
Adjustment process of the angle adjusting mechanism to upper regulating part (5) in the step (D) are as follows: adjust bolt (11) firstly, unclamping On nut;Then, rotation adjusts bolt (11) driving lower wedge block (9) and moves horizontally, and voussoir (8) moves along the vertical direction in drive It is dynamic;When upper regulating part (5) reaches desired height H, adjusts bolt (11) and stop operating;Finally, locking is adjusted on bolt (11) Nut.
CN201811479611.3A 2018-12-05 2018-12-05 A kind of upper mold Special Fixture for Machining and processing method Pending CN109333112A (en)

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CN201811479611.3A CN109333112A (en) 2018-12-05 2018-12-05 A kind of upper mold Special Fixture for Machining and processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811479611.3A CN109333112A (en) 2018-12-05 2018-12-05 A kind of upper mold Special Fixture for Machining and processing method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111002060A (en) * 2019-12-17 2020-04-14 四川科思精密模具有限公司 Machining method of metal die with cutting edge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111002060A (en) * 2019-12-17 2020-04-14 四川科思精密模具有限公司 Machining method of metal die with cutting edge

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