CN113134715A - Integrated machining method for large-scale die insert and clamping and fixing device thereof - Google Patents

Integrated machining method for large-scale die insert and clamping and fixing device thereof Download PDF

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Publication number
CN113134715A
CN113134715A CN202110575770.9A CN202110575770A CN113134715A CN 113134715 A CN113134715 A CN 113134715A CN 202110575770 A CN202110575770 A CN 202110575770A CN 113134715 A CN113134715 A CN 113134715A
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Prior art keywords
hole
die
insert
integrated
clamping
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伍宇安
吴挺浩
林卫腾
曾伟明
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Guangdong Topzone Tooling Co ltd
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Guangdong Topzone Tooling Co ltd
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Priority to CN202110575770.9A priority Critical patent/CN113134715A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

The invention discloses an integrated processing method of a large-scale die insert and a clamping and fixing device thereof, wherein the method comprises the following steps of performing insert design on a working part of a stamping die according to the industrial standards of length and weight; processing an auxiliary clamping hole, a screw hole and a pin threading hole; reversing the die insert, and processing a screw hole countersunk hole and a pin hole countersunk hole; clamping the die insert on a standard fixture, sending the standard fixture and the die insert into a machining center, finding a machining reference according to a reference hole in the standard fixture, and performing integrated rough machining on a working profile of the die insert; grinding the right-angle surface of the die insert, finely milling counter bores on the auxiliary clamping holes by taking the grinding right angle as a reference, and cutting all pin holes in a doubling manner; the method comprises the following steps of integrally clamping a die insert on a clamp, sending a standard clamp and the die insert into a machining center, finding a machining reference according to a reference hole, and performing integrated finish machining on a working profile of the insert based on the machining reference; and taking down the insert block, clamping the insert block on the die holder, and carrying out die assembly, die adjustment and die test.

Description

Integrated machining method for large-scale die insert and clamping and fixing device thereof
Technical Field
The invention relates to the technical field of machining, in particular to an integrated machining method for a large-scale die insert and a clamping and fixing device used by the method.
Background
The design of the large stamping part die basically adopts a modularization method, each forming station is divided into independent modules, and corresponding die inserts are designed. The processing of the modularized large stamping part die has two traditional methods, one is a single piece processing method, and the die inserts are independently fixed in a processing center one by one for processing, so that the processing efficiency is low, and the overall accuracy of the die is low; the other method is an integrated processing method, all the forming die inserts are fixed on the die holder according to the working positions and are sent to a processing center together with the die holder for integrated processing, and the method improves the overall precision of the die inserts and also improves the processing efficiency. However, two problems also exist in the integrated processing method, firstly, the die holders of each set of large stamping part die need to be customized independently, the customization time is long (generally more than 35 days), and all the modules need to be processed after the die holders return, so that the integral manufacturing period of the large stamping part die is long; secondly, the die holder of the large stamping part die is large in size, generally more than 2 meters, so that an enterprise must be provided with a large and high-precision machining center, and the production cost is high.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an integrated processing method of a large die insert and a clamping and fixing device used by the method.
The purpose of the invention is realized by the following technical scheme:
an integrated processing method for a large-scale die insert comprises the following steps:
step A, designing a 3D final assembly structure of a large die, and carrying out insert design on a working part of a stamping die according to industrial standards of length and weight;
b, processing auxiliary clamping holes for processing from the direction of the fixed surface of the single die insert by using a milling machine, and processing a plurality of screw holes for mounting and pin threading holes; then, reversing the die insert, and processing a screw hole countersunk hole and a pin hole countersunk hole in the working profile;
step C, clamping all the die inserts on a standard fixture by using a screw pin top integrated fixture, sending the inserts and the standard fixture into a machining center, finding a machining reference according to a reference hole in the standard fixture, and performing integrated rough machining on a working profile of the die inserts based on the machining reference;
d, unloading all the die inserts after rough machining is finished, carrying out heat treatment, grinding right-angle surfaces of the die inserts by using a grinding machine, carrying out finish milling on counter bores in the two auxiliary clamping holes for machining by taking the grinding right angle as a reference, and cutting all pin holes in a doubling manner;
step E, integrally clamping the die insert on the standard fixture by using the screw and pin integrated fixture again, sending the standard fixture and the die insert into the machining center again, finding a machining reference according to a reference hole in the standard fixture, and performing integrated finish machining on a working profile of the insert based on the machining reference;
and F, after the machining is finished, taking down the insert, directly clamping the die insert on the die holder by using screws and pins, and carrying out die final assembly, die adjustment and die testing.
A clamping and fixing device for integrated processing of a die insert comprises a standard clamp and a screw and pin integrated fastening jig;
the standard fixture is provided with a plurality of positioning holes which are arranged in an array mode, have the same diameter and penetrate through longitudinally; the longitudinal edge and the transverse edge of the standard clamp are provided with three processing and positioning reference holes;
the screw and pin integrated fastening jig comprises a sleeve positioning pin and a bolt; a through hole which penetrates through the sleeve positioning pin longitudinally is formed in the middle of the sleeve positioning pin and serves as an assembling through hole of a bolt; the standard clamp is provided with a plurality of die inserts, and the bottom of each die insert is provided with a positioning hole and an internal threaded hole; the sleeve positioning pin sequentially penetrates into the positioning holes of the standard clamp and the die insert from the lower part and is matched with the two positioning holes to realize the positioning of the die insert; the bolt is connected with the die and the die insert through the external thread, so that the die insert is fastened.
One or more embodiments of the present invention may have the following advantages over the prior art:
1. the method can be used for finishing the working molded surfaces of various large dies with standardized and embedded designs, including progressive dies and transfer dies;
2. the standard fixture and the clamping and fixing jig thereof are standardized devices and can be used for integrated processing of all die inserts; the clamping mode of the die insert on the standard clamp is different from that of the die holder, the die insert can be randomly placed, the clamping integration degree is higher, and the machining efficiency can be improved;
3. in the prior art, the insert blocks are dispersedly clamped on the die holder according to the working positions, and a large machining center is needed when the die insert blocks are integrally machined due to the large size of the die holder; the standard fixture and the clamping and fixing method can integrally clamp the same number of die inserts on a small fixture, so that only a small machining center is needed, and the equipment cost and the machining cost can be saved;
4. the standard clamp has simple shape and convenient and fast processing; the clamping and fixing method integrates positioning of the sleeve positioning pin and fastening of the bolt, and the bolt penetrates through the center of the sleeve positioning pin hole, so that the sleeve positioning pin and the bolt are installed at the same hole opening position, and the number of the bolt and the sleeve positioning pin required in installation of the die module can be reduced on the basis of ensuring stable clamping; when the small-sized die insert is fixed, a plurality of bolt holes and sleeve positioning pin holes are respectively arranged in insufficient space, and the die insert can be positioned and fastened in the limited space by adopting the fixing method.
Drawings
FIG. 1 is a flow chart of a large die insert integrated machining method;
FIG. 2 is a schematic view of a stationary die insert;
FIG. 3 is a top view of a standard fixture;
FIG. 4 is a schematic cross-sectional view of a bushing dowel pin integral with a bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
As shown in fig. 1, the method for integrated processing of large die inserts comprises:
step 10, designing a 3D assembly structure of a large-scale die aiming at stamping parts such as automobile parts and the like; performing insert design on a working part of the stamping die according to industry standards such as length, weight and the like;
step 20, processing auxiliary clamping holes for processing from the direction of a single die insert fixing surface by using a milling machine, and processing a plurality of screw holes for mounting and pin threading holes; then, reversing the die insert, and processing a screw hole countersunk hole and a pin hole countersunk hole in the working profile;
step 30, finishing the processing of the steps 10 to 20 on all the die inserts, clamping all the die inserts on a standard fixture by using a screw and pin integrated fixture, sending the inserts and the standard fixture into a processing center, finding a processing reference according to a reference hole on the standard fixture, and performing integrated rough processing on a working profile of the die inserts based on the processing reference;
step 40, after rough machining is completed, disassembling all the die inserts for heat treatment, grinding right-angle surfaces of the die inserts by using a grinding machine, then carrying out finish milling on counter bores on 2 auxiliary clamping holes for machining by taking the grinding right angle as a reference, and cutting all pin holes in a doubling manner;
step 50, integrally clamping the die insert on the standard fixture by using the screw and pin integrated fixture again, sending the standard fixture and the die insert into the machining center again, finding a machining reference according to a reference hole on the standard fixture, and performing integrated finish machining on a working profile of the insert based on the machining reference;
and 60, after the machining is finished, taking down the insert, directly clamping the die insert on the die holder by using screws and pins, and carrying out die final assembly, die adjustment and die testing.
Each auxiliary clamping hole for machining comprises a counter bore D1And a threaded hole D0Said counter bore D1And screw hole D0Concentric with, and screw hole D0Is matched with the bolt, and a counter bore D1Is matched with the size of the sleeve positioning pin.
As shown in fig. 2, the clamping and fixing device for machining a die insert provided in this embodiment includes:
the standard clamp 1 and the screw and pin integrated fastening jig; the standard fixture 1 is provided with a plurality of positioning holes which are arranged in an array mode, have the same diameter and penetrate through in the longitudinal direction, and three processing positioning reference holes are formed in the longitudinal edge and the transverse edge of the standard fixture; the screw and pin integrated fastening jig comprises a sleeve positioning pin 2 and a bolt 3; chamfers are arranged at two ends of the sleeve positioning pin 2, and a through hole which penetrates longitudinally is arranged in the middle of the sleeve positioning pin and is used as an assembling through hole of the bolt 3; the standard fixture 1 is provided with a plurality of die inserts 4, and each die insert 4 is provided with an auxiliary clamping hole consisting of a counter bore and a threaded hole; the sleeve positioning pin 2 penetrates through the positioning hole of the standard fixture and the clamping hole counter bore on the die insert in sequence from the lower part and is matched with the two holes to realize the positioning of the die insert, and the bolt 3 penetrates through the sleeve positioning pin and is connected with a threaded hole in the auxiliary clamping hole for processing the die insert to realize the clamping fixation of the die insert.
Before clamping, grinding the installation reference of the die insert to ensure that the perpendicularity and the flatness of the reference surface of the die insert meet the required precision requirement; processing an auxiliary clamping hole on the die insert, wherein a counter bore on the processed auxiliary clamping hole needs to be subjected to finish milling, the bore tolerance reaches +/-0.03 mm, and the sliding fit between the counter bore and the sleeve positioning pin 2 is ensured; and processing a threaded connecting hole by taking the center of the counter bore as a reference, wherein the diameter of the thread is matched with the size of the bolt 3.
The bolt and pin integrated fastening jig integrates the functions of pin positioning and bolt fastening, and realizes that the positioning pin and the bolt are installed at the same hole opening position. The sleeve positioning pin 2 is in interference fit with the positioning hole of the standard clamp 1, and is in sliding fit with a counter bore of an auxiliary clamping hole for machining on the die insert 4. The diameter of the through hole of the sleeve positioning pin 2 is slightly larger than that of the bolt 3, and the bolt slides in the through hole of the sleeve positioning pin.
The die inserts 4 are integrated on the standard fixture 1, are connected and fastened through the sleeve positioning pins 2 and the bolts 3 of the screw and pin integrated fastening jig, and are sent into processing equipment together for integrated processing.
As shown in fig. 3, during clamping, the sleeve positioning pin 2 is inserted from the lower part of the standard fixture 1, enters a counter bore on the processing auxiliary clamping hole of the die insert 4 through a positioning hole on the standard fixture, and is inserted from the lower part of the standard fixture 1 of the bolt 3, and is connected and matched with a threaded hole on the processing auxiliary clamping hole of the die insert 4 through a central through hole of the sleeve positioning pin 2, so that the connection and fastening between the die insert 4 and the standard fixture 1 are realized.
Clamping a plurality of different die inserts on a standard fixture as shown in FIG. 4, feeding the die inserts into a machining center along with the standard fixture 1, and machining three machining reference positioning holes, namely a positioning hole A, a positioning hole B and a positioning hole C, by taking an original point center as a coordinate axis; the positioning hole A is in the direction of a coordinate X, the positioning hole B and the positioning hole C are in the direction of a coordinate Y, and machining benchmarks are determined by symmetrical distribution along coordinate axes, so that integrated machining of the die insert is realized.
Although the embodiments of the present invention have been described above, the above descriptions are only for the convenience of understanding the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1.一种大型模具镶块集成化加工方法,其特征在于,所述方法包括以下步骤:1. a large-scale die insert integrated processing method, is characterized in that, described method comprises the following steps: 步骤A设计大型模具3D总装结构,根据长度、重量行业标准,对冲压模具的工作部分进行镶块化设计;Step A: Design the 3D final assembly structure of the large die, and design the working part of the stamping die in blocks according to the length and weight industry standards; 步骤B利用铣床从单个模具镶块固定面方向加工出加工用辅助装夹孔,加工出若干个安装用螺丝孔和销钉穿丝孔;然后将模具镶块反转,在工作型面上加工出螺丝孔沉头孔和销钉孔沉头孔;In step B, a milling machine is used to process auxiliary clamping holes for processing from the direction of the fixed surface of a single mold insert, and a number of screw holes and pin thread holes for installation are processed; Countersunk holes for screw holes and countersunk holes for pin holes; 步骤C利用螺钉销顶一体化治具将所有模具镶块装夹在标准夹具上,将镶块连同标准夹具一起送入加工中心,根据标准夹具上基准孔找到加工基准,基于加工基准对模具镶块的工作型面进行集成粗加工;Step C Use the screw-pin top integrated fixture to clamp all the mold inserts on the standard fixture, send the inserts together with the standard fixture into the machining center, find the machining datum according to the reference hole on the standard fixture, and set the mold inserts based on the machining datum. Integrated roughing of the working face of the block; 步骤D完成粗加工后卸下所有模具镶块进行热处理,之后使用磨床对模具镶块的直角面进行磨削,再以研磨直角为基准,对两个加工用辅助装夹孔上的沉孔进行精铣加工,并线割出所有销钉孔;Step D. After the rough machining is completed, remove all the mold inserts for heat treatment, and then use a grinder to grind the right-angle surfaces of the mold inserts, and then use the grinding right angle as the benchmark to carry out countersinking on the two auxiliary clamping holes for machining. Finish milling, and cut out all pin holes; 步骤E利用螺钉销钉一体化治具再次将模具镶块集成装夹在标准夹具上,并再次将标准夹具连同模具镶块一起送入加工中心,根据标准夹具上的基准孔找到加工基准,基于加工基准对镶块的工作型面进行集成精加工;Step E: Use the screw-pin integrated fixture to clamp the die insert on the standard fixture again, and send the standard fixture together with the die insert into the machining center again. Find the machining datum according to the reference hole on the standard fixture. The datum performs integrated finishing on the working surface of the insert; 步骤F完成加工后,将镶块取下,利用螺丝和销钉将模具镶块直接装夹到模座上,进行模具总装、调模、试模。After the processing in step F is completed, the inserts are removed, and the mold inserts are directly clamped to the mold base with screws and pins, and the mold assembly, mold adjustment, and mold test are performed. 2.如权利要求1所述的大型模具镶块集成化加工方法,其特征在于,所述所述步骤B中:加工用辅助装夹孔包括有两个,且两个孔位的距离为标准夹具上定位孔孔距的整数倍。2. The integrated processing method for large-scale die inserts according to claim 1, characterized in that, in said step B: the auxiliary clamping holes for processing include two, and the distance between the two holes is a standard Integer multiple of the positioning hole pitch on the fixture. 3.如权利要求1所述的大型模具镶块集成化加工方法,其特征在于,所述每个加工用辅助装夹孔包括沉孔D1和螺纹孔D0,所述沉孔D1与螺钉孔D0同心,且螺钉孔D0的尺寸与螺栓相匹配,沉孔D1的尺寸与套筒定位销的尺寸相匹配。3. The integrated processing method for large die inserts according to claim 1 , wherein each auxiliary clamping hole for processing comprises a counterbore D1 and a threaded hole D0 , and the counterbore D1 is the same as the counterbore D1. The screw hole D 0 is concentric, and the size of the screw hole D 0 matches the size of the bolt, and the size of the counterbore D 1 matches the size of the sleeve locating pin. 4.如权利要求1所述的大型模具镶块集成化加工方法,其特征在于,所述步骤C中:套筒定位销(2)通过标准夹具(1)穿入模具镶块(4)加工用辅助装夹孔的沉孔,螺栓(3)穿过套筒定位销,与模具镶块加工用辅助装夹孔上的螺纹孔连接,实现模具镶块的装夹固定。4. The integrated processing method for large mold inserts according to claim 1, characterized in that, in the step C: the sleeve positioning pin (2) penetrates the mold insert (4) through a standard fixture (1) for processing Using the countersunk hole of the auxiliary clamping hole, the bolt (3) passes through the sleeve positioning pin and is connected with the threaded hole on the auxiliary clamping hole for the processing of the die insert, so as to realize the clamping and fixing of the die insert. 5.如权利要求1所述的大型模具镶块集成化加工方法,其特征在于,所述步骤D中:利用磨床对加工用辅助装夹孔的沉孔进行精密铣削加工,加工公差需达到±0.03mm以下。5. The integrated processing method for large-scale die inserts as claimed in claim 1, characterized in that, in the step D: use a grinder to perform precision milling on the counterbores of the auxiliary clamping holes for processing, and the processing tolerance needs to reach ± 0.03mm or less. 6.一种模具镶块集成化加工用装夹固定装置,其特征在于,所述装置包括标准夹具(1)和螺钉销钉一体化紧固治具;6. A clamping and fixing device for integrated processing of mold inserts, characterized in that the device comprises a standard clamp (1) and an integrated fastening fixture for screws and pins; 所述标准夹具(1)设有若干阵列排布、直径相同、纵向贯穿的定位孔;所述标准夹具的纵向和横向边缘共设置有三个加工定位基准孔;The standard fixture (1) is provided with a plurality of positioning holes arranged in an array, with the same diameter and longitudinally penetrating; three machining positioning reference holes are arranged on the longitudinal and transverse edges of the standard fixture; 所述螺钉销钉一体化紧固治具包括套筒定位销(2)和螺栓(3);所述套筒定位销(2)中间设有纵向贯穿的通孔,作为螺栓(3)的装配过孔;所述标准夹具(1)上安装有若干个模具镶块(4),每个模具镶块底部设有定位孔和内螺纹孔;套筒定位销从下方依次穿入标准夹具的定位孔和模具镶块上的装夹孔沉孔,并与两个孔形成配合,实现模具镶块的定位;所述螺栓(3)通过外螺纹与模具与模具镶块内螺纹连接,实现模具镶块的紧固。The screw-pin integrated fastening fixture includes a sleeve positioning pin (2) and a bolt (3); the sleeve positioning pin (2) is provided with a longitudinally penetrating through hole in the middle, which is used as an assembly hole for the bolt (3). A number of mold inserts (4) are installed on the standard fixture (1), and a positioning hole and an internal thread hole are arranged at the bottom of each mold insert; the sleeve positioning pins are sequentially inserted into the positioning holes of the standard fixture from below It is counterbored with the clamping hole on the die insert, and cooperates with the two holes to realize the positioning of the die insert; the bolt (3) is connected with the inner thread of the die and the die insert through the external thread to realize the die insert. fastening. 7.如权利要求6所述的模具镶块集成化加工用装夹固定装置,其特征在于,所述标准夹具(1)的几何中心设置为机加工原点,以原点中心为坐标轴加工有三个机加工基准定位孔,分别为定位孔A、定位孔B和定位孔C;其中定位孔A为坐标X方向,定位孔B和定位孔C为坐标Y方向,并沿坐标轴对称分布。7. The clamping and fixing device for integrated processing of die inserts according to claim 6, characterized in that, the geometric center of the standard fixture (1) is set as the machining origin, and the center of the origin is used as the coordinate axis to process three The machining reference positioning holes are respectively positioning hole A, positioning hole B and positioning hole C; the positioning hole A is in the coordinate X direction, and the positioning hole B and the positioning hole C are in the coordinate Y direction, and are symmetrically distributed along the coordinate axis. 8.如权利要求6所述的模具镶块集成化加工用装夹固定装置,其特征在于,所述螺钉销钉一体化紧固治具销钉定位和螺栓紧固功能于一体,实现在同一个开孔位置安装定位销和螺栓。8 . The clamping and fixing device for integrated processing of die inserts according to claim 6 , wherein the screw-pin integrated fastening fixture pin positioning and bolt tightening functions are integrated into one, so as to realize the same opening and closing function. 9 . Install dowels and bolts at the hole locations. 9.如权利要求6所述的模具镶块集成化加工用装夹固定装置,其特征在于,所述套筒定位销(2)与标准夹具(1)定位孔采用过盈配合,与模具镶块(4)上加工用辅助装夹孔的沉孔采用滑配合;所述套筒定位销(2)通孔直径略大于螺栓(3)直径,螺栓在套筒定位销通孔内滑动。9. The clamping and fixing device for integrated processing of mold inserts according to claim 6, wherein the sleeve positioning pin (2) and the positioning hole of the standard fixture (1) adopt an interference fit, and are fitted with the mold inserts. The counterbore of the auxiliary clamping hole for processing on the block (4) adopts a slip fit; the diameter of the through hole of the sleeve positioning pin (2) is slightly larger than the diameter of the bolt (3), and the bolt slides in the through hole of the sleeve positioning pin. 10.如权利要求6所述的模具镶块集成化加工用装夹固定装置,其特征在于,所述若干个模具镶块(4)集成在标准夹具(1)上,通过螺钉销钉一体化紧固治具的套筒定位销(2)和螺栓(3)实现连接和紧固,再一起送入加工设备进行集成化加工。10. The clamping and fixing device for integrated processing of die inserts according to claim 6, wherein the several die inserts (4) are integrated on the standard fixture (1), and are integrally tightened by screws and pins. The sleeve positioning pin (2) and the bolt (3) of the fixture are connected and fastened, and then sent to the processing equipment for integrated processing.
CN202110575770.9A 2021-05-26 2021-05-26 Integrated machining method for large-scale die insert and clamping and fixing device thereof Pending CN113134715A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113751968A (en) * 2021-09-07 2021-12-07 广东同正精密模具有限公司 Die insert machining method for constructing machining reference by using atomic ash

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003103316A (en) * 2001-09-27 2003-04-08 Seiko Epson Corp Press mold
CN101537457A (en) * 2009-04-17 2009-09-23 重庆元创技研实业开发有限公司 Die insert modular machining method
CN201410624Y (en) * 2009-04-17 2010-02-24 重庆元创技研实业开发有限公司 Standard modularized bearing plate for processing inserts
CN102500694A (en) * 2011-10-28 2012-06-20 奇瑞汽车股份有限公司 Die insert fixing structure
CN106695369A (en) * 2015-07-13 2017-05-24 孙园园 Auto outer door panel die trimming deflashing insert profile processing device
CN107042272A (en) * 2017-04-17 2017-08-15 辽宁五八内燃机配件有限公司 A kind of mould for preventing thin-wall hole punching forgings from deforming
US20200291974A1 (en) * 2019-03-15 2020-09-17 Acument Intellectual Properties, Llc Bolted joint using deformable sleeve with longitudinal grooves
CN212122471U (en) * 2020-05-29 2020-12-11 重庆平伟汽车科技股份有限公司 Die insert processing clamping structure
CN112077214A (en) * 2020-08-05 2020-12-15 格致汽车科技股份有限公司 Machining method for functional insert of large stamping die
CN214868854U (en) * 2021-05-26 2021-11-26 广东同正精密模具有限公司 Die insert integrates processing with clamping fixing device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003103316A (en) * 2001-09-27 2003-04-08 Seiko Epson Corp Press mold
CN101537457A (en) * 2009-04-17 2009-09-23 重庆元创技研实业开发有限公司 Die insert modular machining method
CN201410624Y (en) * 2009-04-17 2010-02-24 重庆元创技研实业开发有限公司 Standard modularized bearing plate for processing inserts
CN102500694A (en) * 2011-10-28 2012-06-20 奇瑞汽车股份有限公司 Die insert fixing structure
CN106695369A (en) * 2015-07-13 2017-05-24 孙园园 Auto outer door panel die trimming deflashing insert profile processing device
CN107042272A (en) * 2017-04-17 2017-08-15 辽宁五八内燃机配件有限公司 A kind of mould for preventing thin-wall hole punching forgings from deforming
US20200291974A1 (en) * 2019-03-15 2020-09-17 Acument Intellectual Properties, Llc Bolted joint using deformable sleeve with longitudinal grooves
CN212122471U (en) * 2020-05-29 2020-12-11 重庆平伟汽车科技股份有限公司 Die insert processing clamping structure
CN112077214A (en) * 2020-08-05 2020-12-15 格致汽车科技股份有限公司 Machining method for functional insert of large stamping die
CN214868854U (en) * 2021-05-26 2021-11-26 广东同正精密模具有限公司 Die insert integrates processing with clamping fixing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113751968A (en) * 2021-09-07 2021-12-07 广东同正精密模具有限公司 Die insert machining method for constructing machining reference by using atomic ash

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