CN110788215B - A design method for continuous deep drawing deformable overlap of motor housing and its continuous die structure - Google Patents

A design method for continuous deep drawing deformable overlap of motor housing and its continuous die structure Download PDF

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Publication number
CN110788215B
CN110788215B CN201911255585.0A CN201911255585A CN110788215B CN 110788215 B CN110788215 B CN 110788215B CN 201911255585 A CN201911255585 A CN 201911255585A CN 110788215 B CN110788215 B CN 110788215B
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China
Prior art keywords
die
sleeve
punch
block
module
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CN110788215A (en
Inventor
谢佳娜
陈敏生
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Guangdong Hengjia Motor Co ltd
Guangdong Huibaochang Precision Manufacturing Co ltd
Original Assignee
Jieyang Hengjia Electric Co ltd
Jieyang Huibaochang Electric Appliance Co ltd
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Priority to CN201911255585.0A priority Critical patent/CN110788215B/en
Publication of CN110788215A publication Critical patent/CN110788215A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/08—Dies with different parts for several steps in a process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001—Shaping combined with punching, e.g. stamping and perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14—Casings; Enclosures; Supports

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

本发明公开了一种电机外壳连续拉深可变形搭边设计方法及其连续模结构，所述方法包括：计算电机外壳毛坯尺寸并准备与毛坯直径相同宽度的料带；根据模具步距设计两侧搭边的定位孔，定位孔圆心位于两毛坯圆心连线的中垂线上，两侧定位孔距离Llocation且对称，定位孔直径为Dlocation；切出料带两侧定位孔外侧的搭边外轮廓，搭边的外轮廓为“耳朵”形状；切除搭边“耳朵”内侧多余材料；在连续冲压的过程中，步距不变，随着电机外壳的拉深高度不断增加，搭边被拉扯变形，确保两工步间的定位和料带的传送。本发明提供的拉深冲孔成形连续模提高了加工精度和生产效率的同时，提高了材料利用率，从而降低了生产成本。

The present invention discloses a design method for a continuously deep-drawn deformable overlap of a motor housing and a continuous die structure thereof, the method comprising: calculating the size of a motor housing blank and preparing a material strip with the same width as the diameter of the blank; designing positioning holes of the overlaps on both sides according to the die step, the center of the positioning hole is located on the perpendicular bisector of the line connecting the centers of the two blanks, the distance between the positioning holes on both sides is L location and symmetrical, and the diameter of the positioning holes is D location ; cutting out the outer contour of the overlap outside the positioning holes on both sides of the strip, the outer contour of the overlap is in the shape of an "ear"; cutting off the excess material inside the overlap "ear"; in the process of continuous stamping, the step remains unchanged, and as the deep-drawn height of the motor housing continues to increase, the overlap is pulled and deformed, ensuring the positioning between the two working steps and the transmission of the material strip. The deep-drawing and punching forming continuous die provided by the present invention improves the processing accuracy and production efficiency, while improving the material utilization rate, thereby reducing the production cost.

Description

Design method for continuously drawing deformable overlap edge of motor shell and continuous die structure thereof
Technical Field
The invention relates to the technical field of mechanical manufacturing and processing, in particular to a design method for continuously drawing deformable overlap edges of a motor shell and a continuous die structure used by the method.
Background
Along with the progress of science and technology, electrical equipment is continuously developed towards intellectualization, so that the demand and quality of a motor shell are continuously improved, and a small motor shell is usually formed by multi-pass deep drawing due to a large height-diameter ratio, so that the degree of automation is high, continuous die stamping forming with high processing precision is adopted, the processing of a continuous die has high requirements on the design of a lapping edge, the unreasonable lapping edge design can influence the material flow in the deep drawing process, and the waste of the material is caused, so that the production cost is increased. The invention provides a continuous die structure for a deformable overlap design method, and when the continuous die structure is used for stamping production, the processing precision and the production efficiency can be improved, and meanwhile, the material utilization rate can be improved, so that the production cost is reduced.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a design method for continuously drawing deformable overlap edges of a motor shell and a continuous die structure used by the method.
The aim of the invention is achieved by the following technical scheme:
A method of designing a continuously drawn deformable overlap for a motor housing, comprising:
Calculating the size of a motor shell blank and preparing a material belt with the same width as the diameter of the blank;
B, designing positioning holes with overlapping edges at two sides according to the step distance of the die, wherein the circle centers of the positioning holes are positioned on the central vertical line of the connecting line of the circle centers of the two blanks, the distances L location of the positioning holes at two sides are symmetrical, and the diameter of the positioning holes is D location;
C, cutting the outer contour of the lapping edge at the outer sides of the positioning holes at the two sides of the discharging belt, wherein the outer contour of the lapping edge is in an ear shape;
Cutting off redundant materials on the inner side of the 'ear' of the lapping edge;
e, in the continuous stamping process, the step distance is not changed, and the lapping edges are pulled to deform along with the continuous increase of the drawing height of the motor shell, so that the positioning between the two steps and the conveying of the material belt are ensured.
The continuous die structure for continuously drawing the deformable lapping edges of the motor shell comprises seventeen steps, wherein the seventeen steps can be divided into seven modules according to the structural characteristics of a male die insert, the first module comprises a first step, a second step, a third step and a fourth step, the four steps are used for realizing punching and trimming, and a first middle die plate (401), a second middle die plate (402), a third middle die plate (403), a fourth middle die plate (404) and a fifth middle die plate (405) are arranged in the four steps; the first middle template (401) is arranged on the lower template (3), the second middle template (402) is arranged on the first middle template (401), and a trimming blanking die (406), a material guiding column (407) and a small guide sleeve (16) are arranged between the first middle template and the second middle template; the fourth intermediate template (404) and the fifth intermediate template (405) are arranged below the upper template (5);
the second module comprises a fifth step and a sixth step, the drawing is realized, a drawing female die fixing plate (701) arranged in a drawing die of the fifth step is arranged below the upper die plate (5), a drawing female die sleeve (702) is arranged in a fifth working step of the drawing female die fixing plate (701), a first drawing male die fixing plate (705) is arranged on the lower die plate (3), and a second drawing male die fixing plate (706) is arranged on the first drawing male die fixing plate (705);
the third module comprises a seventh step, an eighth step and a ninth step, deep drawing and punching are achieved, a female die fixing sleeve (801) arranged in a seventh step is arranged in the middle template, a sleeve is arranged on the female die fixing sleeve (801), a female die pressing block (802) is arranged on the female die, and a spring is arranged between the female die pressing block (802) and the arranged upper die holder (6); in the eighth working step, a sleeve is also arranged on the female die fixing sleeve, in the ninth working step, two sleeves are also arranged on the female die fixing sleeve, a punching needle sleeve (806) is positioned in the central holes of the three sleeves, and a punching male die (807) with a blanking cavity is arranged on the male die part of the ninth working step;
The fourth module comprises a tenth step, an eleventh step and a twelfth step, reaming is achieved, an intermediate template is arranged between a die fixing plate and an upper template (5) arranged in the module and is used for capping the die, and a punching nail (901) for enlarging a center hole is arranged in the die at the tenth step; a wedge block (902) for enlarging the punching needle of the side holes on two sides and defining a punching needle sleeve is arranged in the eleventh step;
The fifth module comprises thirteenth and fifteenth punching steps and a fourteenth hollow station in the middle, the thirteenth step is a hollow station, the fifteenth step is a hole on the left side and the right side and the upper rear side of the advancing direction of the punching belt, and the side surface of the sleeve-shaped punching female die (1001) is provided with a U-shaped groove;
The sixth module comprises a sixteenth blank station and a seventeenth blanking step, the sixteenth blank station is a blank station, the seventeenth step realizes blanking, blanking die blocks (1101) are arranged in an upper die plate (5) and an upper die holder (6), four fixed guide blocks (1102) with wedge-shaped fluctuation are arranged in an intermediate die plate arranged below the upper die plate (5), and a sliding guide block (1104) is arranged in a die cavity surrounded by the four fixed guide blocks (1102);
The seventh module achieves the excision of the scrap.
One or more embodiments of the present invention may have the following advantages over the prior art:
1. with the increase of the drawing height, the lapping edges can be deformed step by step, and meanwhile, the step pitch is kept unchanged, so that the forming precision is ensured;
2. when the continuous die structure is used for stamping, the overlap area of the overlap edge and the die is small, so that the material flow in the deep drawing process is facilitated;
3. The material is matched with the middle lapping mode, so that waste materials caused by the side lapping are avoided, the material utilization rate is improved, and the production cost is reduced;
4. the insert type design of the progressive die can reduce the use of male and female die materials, reduce the production cost, has better interchangeability, and can independently replace the male and female dies with problems.
Drawings
FIG. 1 is a flow chart of a lap design method
FIG. 2 is a diagram of a material belt in actual production;
FIGS. 3a and 3b are schematic illustrations in full section of the present invention when fully closed;
FIGS. 4a and 4b are schematic views in full section with the present invention fully opened;
FIG. 5 is a schematic view of the cross-sectional view A-A of the present invention;
FIG. 6 is a schematic top view of a lower mold portion of the present invention;
FIG. 7 is a cross-sectional view of a second, third module of the present invention;
FIG. 8 is a cross-sectional view of a fourth, fifth module of the present invention;
FIG. 9 is a cross-sectional view of a sixth and seventh module of the present invention;
In the figure: die holder 1, head block 2, lower die plate 3, first intermediate die plate 401, second intermediate die plate 402, third intermediate die plate 403, fourth intermediate die plate 404, fifth intermediate die plate 405, trimming die 406, guide post 407, punch pin 408, trimming die guide pin 409, trimming die 410, upper die plate 5, upper die holder 6, drawing die plate 701, drawing die sleeve 702, spring compact 703, drawing die 704, first drawing die plate 705, second drawing die plate 706, drawing die 707, force relief plate 708, force relief guide post 709, die plate sleeve 801, die compact 802, punch pin 803, punch pin compact 804, die cavity die block 704 punch pin fixing block 805, punch pin sleeve 806, punch 807, punch pin 901, wedge block 902, stripper 903, punch die 1001, first push block 1002, punch die fixing block 1003, punch die 1004, second push block 1005, blanking die block 1101, fixing guide block 1102, slider block 1103, sliding guide block 1104, die fixing sleeve 1105, dowel 1106, blanking die cutting block 1107, blanking die fixing plate 1108, blanking punch fixing member 1109, guide pin 1110, blanking upper die 1201, blanking lower die 1202, large guide post 13, steel ball sleeve 14, large guide sleeve 15, small guide sleeve 16, small guide post 17, spring 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail with reference to examples and drawings.
As shown in fig. 1, a method for designing a continuous drawing deformable overlap of a motor housing includes:
step 10, calculating the size of a motor shell blank and preparing a material belt with the same width as the diameter of the blank;
step 20, designing positioning holes with overlapping edges at two sides according to the step distance of the die, wherein the circle centers of the positioning holes are positioned on a central vertical line of a connecting line of the circle centers of the two blanks, the distances L location of the positioning holes at two sides are symmetrical, and the diameter of the positioning holes is D location;
Step 30, cutting the outer contour of the lapping edge at the outer sides of the positioning holes at the two sides of the discharging belt, wherein the outer contour of the lapping edge is in an ear shape;
Step 40, cutting off redundant materials on the inner side of the 'ear' of the lapping edge;
step 50 is that the step pitch is not changed in the continuous stamping process, and the lapping edges are pulled and deformed along with the continuous increase of the drawing height of the motor shell, so that the positioning between the two steps and the conveying of the material belt are ensured.
In the above step 30: the outer contour of the lapping edge is in an 'ear' shape, which is a shape intersecting with the edge of the material belt by taking the center of the blank as the center of a circle and the diameter of D bridge, and the round angle of the radius R bridge_chamfer at the intersection is a transition shape, and the contour of the joint of the 'ear' and the blank is a line segment which takes the center of the blank as the center of a circle and has an included angle theta bridge with the conveying direction of the material belt and extends to the 'ear'.
In step 40, as described above: the contour of the "ear" inside cut material is the shape of the outside shape of the ear that is offset inwardly by delta bridge intersecting the shape of the blank.
As shown in FIG. 2, the belt diagram of the product produced by the continuous mould set in the actual processing state after the overlap edge design method is adopted.
3 A-9, including seventeen steps, the seventeen steps can be divided into seven modules according to the insert structural features of the male and female mold, wherein the first module includes four steps of first, second, third and fourth steps for punching and trimming, and the four steps are provided with a first middle template 401, a second middle template 402, a third middle template 403, a fourth middle template 404 and a fifth middle template 405; the first middle template 401 is arranged on the lower template 3, the second middle template 402 is arranged on the first middle template 401, and a trimming blanking die 406, a material guiding column 407 and a small guide sleeve 16 are arranged between the first middle template and the second middle template; the fourth intermediate die plate 404 and the fifth intermediate die plate 405 are installed below the upper die plate 5;
The second module comprises a fifth and a sixth two steps, drawing is realized, a drawing die fixing plate 701 arranged in a drawing die of the fifth step is arranged below the upper die plate 5, a drawing die sleeve 702 is arranged in the fifth working step of the drawing die fixing plate 701, a first drawing die fixing plate 705 is arranged on the lower die plate 3, and a second drawing die fixing plate 706 is arranged on the first drawing die fixing plate 705;
The third module comprises a seventh step, an eighth step and a ninth step, the deep drawing and the punching are realized, a female die fixing sleeve 801 arranged in the seventh step is arranged in the middle template, a sleeve is arranged on the female die fixing sleeve 801, a female die pressing block 802 is arranged on the female die, and a spring is arranged between the female die pressing block 802 and the upper die holder 6; in the eighth working step, a sleeve is also arranged on the female die fixing sleeve, in the ninth working step, two sleeves are also arranged on the female die fixing sleeve, the punching needle sleeve 806 is positioned in the central holes of the three sleeves, and the punching male die 807 with a blanking cavity is arranged on the male die part of the ninth working step;
The fourth module comprises a tenth step, an eleventh step and a twelfth step, the reaming is realized, an intermediate template is arranged between a die fixing plate and an upper template 5 in the module for capping the die, and a punching nail 901 for enlarging a center hole is arranged in the die at the tenth step; a punch pin for enlarging side holes on two sides and a wedge block 902 for defining a punch pin sleeve are arranged in an eleventh step;
The fifth module comprises thirteenth and fifteenth punching steps and a fourteenth hollow station in the middle, the thirteenth step is a hollow station, the fifteenth step is a hole on the left side and the right side and the upper rear side of the advancing direction of the punching belt, and the side surface of the sleeve-shaped punching female die 1001 is provided with a U-shaped groove;
the sixth module comprises a sixteenth blank station and a seventeenth blanking step, the sixteenth blank station is a blank station, blanking is realized in the seventeenth step, blanking die pressing blocks 1101 are arranged in an upper die plate 5 and an upper die holder 6, four fixed guide blocks 1102 with wedge-shaped fluctuation are arranged in an intermediate die plate arranged below the upper die plate 5, and a sliding guide block 1104 is arranged in a cavity surrounded by the four fixed guide blocks 1102;
The seventh module achieves the excision of the scrap. The progressive die further comprises a lower die holder 1, a cushion block 2, a large guide post 13, a steel ball sleeve 14, a large guide sleeve 15, a small guide sleeve 16 and a small guide post 17; the cushion block 2 is arranged on the lower die holder 1, and a lower die plate 3 is arranged on the cushion block 2; the large guide posts 13 and the large guide sleeves 15 respectively comprise five large guide posts which are respectively arranged on the lower die plate 3; five large guide sleeves 15 are respectively arranged on the upper template 5; the large guide post 13 is coaxial with the large guide sleeve 15 and is provided with a steel ball sleeve 14 at intervals.
In the first module described above:
The third middle template 403 is installed under the fourth middle template 404 and is provided with a spring in the middle, the small guide post 17 is installed in the fourth middle template 404, the small guide sleeve 16 is installed in the third middle template 403, the small guide sleeve 16 and the small guide post 17 are coaxially installed, and the punching punch pin 408, the trimming die guide pin 409 and the trimming die 410 are installed in the third middle template 403.
In the second module described above:
A spring pressing block 703 is arranged on the drawing die sleeve 702, a drawing die 704 is arranged in the drawing die sleeve 702, and a spring is arranged between the spring pressing block 703 and the drawing die 704; a first drawing male die fixing plate 705 and a second drawing male die fixing plate 706 are further arranged in the fifth working step, a drawing male die 707 is mounted on the first drawing male die fixing plate 705, the drawing male die 707 is positioned by a plane contacted with the second drawing male die fixing plate 706, and a force unloading plate 708 is arranged on the second drawing male die fixing plate 706; and a relief guide 709 is provided in the first drawing punch holder 705, the second drawing punch holder 706, and the relief plate 708.
The force-unloading plate 708 is connected with a spring mounted on the force-unloading guide post 903, so that the force-unloading plate 708 is not contacted with the second drawing punch fixing plate 706 in a state that the die is not completely closed, the parts are mounted in the sixth working step in the same way, but the spring is directly mounted between the die and the upper die holder 6, and no drawing die sleeve and spring pressing block are arranged.
In the third module described above:
Female dies are arranged in the female die fixing sleeve 801 and the sleeve above the female die fixing sleeve 801; the punch needle sleeve 806 is arranged in the female die fixing sleeve and the sleeve above the female die fixing sleeve, the punch needle fixing block 805 is arranged on the punch needle sleeve 806, the punch needle pressing block 804 is arranged on the punch needle fixing block 805, and the punch needle 803 is arranged in the punch needle fixing block 805 and the punch needle sleeve 806.
In the fourth module described above:
Wherein the parts are installed in a similar position to the third module, but a middle template is arranged between the die fixing plate and the upper template 5 for pressing the die, a punch pin 901 for enlarging a central hole is arranged in the die in the tenth working step, a punch pin for enlarging side holes on two sides and a wedge block 902 for prescribing a punch pin sleeve are arranged in the eleventh working step, and a stripper plate 903 is arranged on a force unloading plate of the module;
In the fifth module,:
The punching principle is that a first pushing block 1002 is arranged in an intermediate die plate arranged under an upper die plate 5, along with the closing of a die, the wedge-shaped plane of the first pushing block 1002 is contacted with the wedge-shaped plane of a punching die fixing block 1003 arranged in the intermediate die plate arranged on a lower die plate 3, and pushes a punching die 1004 arranged on the first pushing block to move towards the direction of a motor shell, a spring is arranged between the punching die fixing block 1003 and the intermediate die plate when the die is completely closed, and the punching die fixing block 1003 drives the punching die 1004 to reset along with the opening of the die, except that a Kong Yindi pushing block arranged at the rear side of the advancing direction of a material belt of the motor shell is arranged at the side surface of the advancing direction of the material belt, and a second pushing block 1005 is required to be arranged in the intermediate die plate on the lower die plate 3, so that the first pushing block pushes the second pushing block 1005 to move in the closing process of the die, and then the punching die fixing block is pushed to drive the punching die to move to complete punching;
in the sixth module described above:
A sliding block 1103 and a spring are arranged between the sliding guide block 1104 and the blanking die pressing block 1101, a female die fixing sleeve 1105 is arranged below the sliding guide block 1104, female dies are arranged in the sliding guide block 1104 and the female die fixing sleeve 1105, a positioning nail 1106 is arranged in the female die, a blanking female die cutting 1107 is arranged below the female die fixing sleeve 1105, and the blanking female die cutting 1107 is arranged in a blanking female die fixing plate 1108; the lower die plate 3 is provided with an intermediate die plate, and a blanking punch fixing member 1109 for fixing the punch is arranged in the intermediate die plate.
The module is also provided with a force unloading plate, and the force unloading plate is provided with a discharging plate, and the discharging principle is as follows: with the mold closed, the blanking molding block 1101 presses the sliding block 1103, the sliding guide block 1104, the die fixing sleeve 1105, the positioning nail 1106, the blanking die cutting 1107, the blanking die fixing plate 1108 and the die move downwards, and the sliding guide block 1104, the die fixing sleeve 1105, the blanking die cutting 1107 and the blanking die fixing plate 1108 are fixedly connected, so that when the sliding guide block 1104 encounters a wedge-shaped plane on the fixing guide block 1102 in the sliding process, the fixedly connected whole can translate relatively, the blanking die cutting 1107 performs shearing motion relative to a material belt to complete blanking, a guide pin 1110 with a wedge surface is arranged in a middle die plate arranged on the lower die plate 3, and the positioning precision of the die is ensured when the mold is closed;
The second module, the third module, the fourth module, the fifth module and the sixth module are respectively provided with a force unloading plate and a force unloading guide post, and the force unloading plates of the fourth module and the sixth module are respectively provided with a unloading plate 903.
The punching die punch pin pressing block 804, the punch pin fixing block 805 and the punch pin sleeve 806 in the ninth work step of the third module and the eleventh work step of the fourth module are provided with holes which are coaxial and asymmetric relative to the left and right sides of the advancing direction of the material belt, and are provided with pins, so that the positioning precision of the punch pin installation is ensured.
A seventh module is arranged at the rightmost end of the whole set of continuous die, so as to realize the cutting of waste, wherein a blanking upper die 1201 is arranged on the right side of an intermediate die plate under an upper die plate 5 of a sixth module, and a blanking lower die 1202 is arranged on the right side of the intermediate die plate on a lower die plate 3 of the sixth module;
The die comprises a lower die holder, a lower die plate, an upper die holder, an upper die plate, a cushion block, an intermediate die plate, a material guide column, a punching needle, a guide needle, a force unloading plate, a force unloading guide column, a large guide sleeve, a small guide column, a concave die, a convex die, a fixing piece of the concave die, the convex die and other parts which contain hole characteristics and have an insertion relationship, and the corresponding coaxiality of the parts is ensured during installation;
The springs are required to be selected from different types according to the installation position;
the fastening installation is screw connection, and screws with different types are selected according to the installation position;
When the press drives the press to drive the upper die holder, the upper die plate and the upper die part arranged below the upper die holder, the upper die plate and the upper die part to move upwards, the parts reset under the action of the springs, and the fixed distance of the material belt is waited for moving and the next stamping is ready to be completed.
Although the embodiments of the present invention are described above, the embodiments are only used for facilitating understanding of the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the appended claims.

Claims (7)

1.一种电机外壳连续拉深可变形搭边连续模结构，其特征在于，包括十七个工步，根据凸凹模镶块结构特征，将所述十七个工步划分为七个模块，其中第一模块包含第一、第二、第三和第四共四个工步，实现冲孔和切边，四个工步位中设置有第一中间模板(401)、第二中间模板(402)、第三中间模板(403)、第四中间模板(404)和第五中间模板(405)；所述第一中间模板(401)安装在下模板(3)上，第二中间模板(402)安装在第一中间模板(401)上，并在第一中间模板和第二中间模板之间设置有切边落料模(406)、导料柱(407)和小导套(16)；所述第四中间模板(404)和第五中间模板(405)安装在上模板(5)的下面；1. A continuous deep drawing deformable overlap continuous die structure for a motor housing, characterized in that it comprises seventeen working steps, and according to the structural characteristics of the male and female die inserts, the seventeen working steps are divided into seven modules, wherein the first module comprises a first, second, third and fourth working steps, a total of four steps, to achieve punching and trimming, and the four working step positions are provided with a first intermediate template (401), a second intermediate template (402), a third intermediate template (403), a fourth intermediate template (404) and a fifth intermediate template (405); the first intermediate template (401) is installed on the lower template (3), the second intermediate template (402) is installed on the first intermediate template (401), and a trimming blanking die (406), a guide column (407) and a small guide sleeve (16) are provided between the first intermediate template and the second intermediate template; the fourth intermediate template (404) and the fifth intermediate template (405) are installed below the upper template (5); 第二模块包含第五和第六两个工步，实现拉深，在第五个工步的拉深模中设置的拉深凹模固定板(701)安装在上模板(5)下面，拉深凹模套筒(702)安装在拉深凹模固定板(701)第五个工步位中，第一拉深凸模固定板(705)安装在下模板(3)上，第二拉深凸模固定板(706)安装在第一拉深凸模固定板(705)上；The second module includes the fifth and sixth working steps to realize deep drawing. The drawing die fixing plate (701) provided in the drawing die of the fifth working step is installed under the upper template (5), the drawing die sleeve (702) is installed in the fifth working step position of the drawing die fixing plate (701), the first drawing punch fixing plate (705) is installed on the lower template (3), and the second drawing punch fixing plate (706) is installed on the first drawing punch fixing plate (705); 第三模块包含第七、第八和第九共三个工步，实现拉深和冲孔，在第七个工步位中设置的凹模固定套筒(801)安装在中间模板中，并在凹模固定套筒(801)上安装有一个套筒，凹模压块(802)安装在凹模上，且凹模压块(802)与设置的上模座(6)间装有弹簧；在第八个工步位中，凹模固定套筒上还装有一个套筒，在第九个工步位中，凹模固定套筒上还装有两个套筒，冲针套筒(806)位于三个套筒的中心孔中，第九个工步位凸模部分装有带有落料腔的冲孔凸模(807)；The third module includes three working steps, namely the seventh, eighth and ninth working steps, for realizing deep drawing and punching. The die fixing sleeve (801) provided in the seventh working step is installed in the middle template, and a sleeve is installed on the die fixing sleeve (801). The die pressing block (802) is installed on the die, and a spring is installed between the die pressing block (802) and the upper die seat (6). In the eighth working step, a sleeve is also installed on the die fixing sleeve. In the ninth working step, two sleeves are also installed on the die fixing sleeve. The punching needle sleeve (806) is located in the center holes of the three sleeves. The punching punch (807) with a blanking cavity is installed on the punch part of the ninth working step. 第四模块包含第十、第十一和第十二共三个工步，实现扩孔，该模块中设置的凹模固定板与上模板(5)间有一块中间模板用于压盖凹模，第十个工步位凹模中装有扩大中心孔的冲钉(901)；在第十一个工步位中装有扩大两边侧孔的冲针和固定冲针套筒的楔形块(902)；The fourth module includes three working steps, namely the tenth, eleventh and twelfth steps, for realizing hole expansion. An intermediate template is provided between the die fixing plate and the upper template (5) provided in the module for pressing the die. A punch (901) for enlarging the center hole is provided in the die at the tenth working step position; a punch needle for enlarging the side holes on both sides and a wedge block (902) for fixing the punch needle sleeve are provided in the eleventh working step position; 第五模块包含第十三和第十五两个冲孔工步和中间的第十四一个空工位，第十三个工步位冲料带前进方向左侧下方的孔，第十四个工步是一个空工位，第十五个工步位冲料带前进方向左右和后面上方的孔，套筒形状的冲孔凹模(1001)侧面设有U形槽；The fifth module includes the thirteenth and fifteenth punching steps and the fourteenth empty station in the middle. The thirteenth step punches the hole at the lower left side of the material belt forward direction. The fourteenth step is an empty station. The fifteenth step punches the holes at the upper left and rear sides of the material belt forward direction. The side of the sleeve-shaped punching die (1001) is provided with a U-shaped groove. 第六模块包含第十六一个空工位和第十七一个落料工步，第十六个工步是一个空工位，第十七个工步实现落料，在上模板(5)和上模座(6)中装有落料模压块(1101)，上模板(5)下安装的中间模板中装有四块带有楔形起伏的固定导向块(1102)，四块固定导向块(1102)围成的型腔内装有滑动导向块(1104)；The sixth module comprises a sixteenth empty station and a seventeenth blanking step, wherein the sixteenth step is an empty station and the seventeenth step realizes blanking. A blanking die block (1101) is installed in the upper mold plate (5) and the upper mold base (6), four fixed guide blocks (1102) with wedge-shaped undulations are installed in the middle mold plate installed under the upper mold plate (5), and a sliding guide block (1104) is installed in the mold cavity surrounded by the four fixed guide blocks (1102); 第七模块实现废料的切除。The seventh module realizes the removal of waste materials. 2.如权利要求1所述的电机外壳连续拉深可变形搭边连续模结构，其特征在于，所述连续模还包括下模座(1)、垫块(2)、大导柱(13)、钢珠套(14)、大导套(15)、小导套(16)与小导柱(17)；所述垫块(2)安装在下模座(1)上，并在垫块(2)上安装下模板(3)；所述大导柱(13)和大导套(15)分别包括有五根，五根大导柱分别安装在下模板(3)上；五个大导套(15)分别安装在上模板(5)上；大导柱(13)与大导套(15)同轴且间隔有钢珠套(14)。2. The continuous deep drawing deformable overlap continuous die structure of the motor housing as described in claim 1 is characterized in that the continuous die also includes a lower die base (1), a cushion block (2), a large guide pillar (13), a steel ball sleeve (14), a large guide sleeve (15), a small guide sleeve (16) and a small guide pillar (17); the cushion block (2) is installed on the lower die base (1), and the lower template (3) is installed on the cushion block (2); the large guide pillar (13) and the large guide sleeve (15) respectively include five, and the five large guide pillars are respectively installed on the lower template (3); the five large guide sleeves (15) are respectively installed on the upper template (5); the large guide pillar (13) and the large guide sleeve (15) are coaxial and separated by steel ball sleeves (14). 3.如权利要求1所述的电机外壳连续拉深可变形搭边连续模结构，其特征在于，在所述第一模块中：第三中间模板(403)安装在第四中间模板(404)下且中间装有弹簧，在第四中间模板(404)中安装有小导柱(17)，小导套(16)安装在第三中间模板(403)中，小导套(16)和小导柱(17)同轴安装，冲孔冲针(408)、切边模导针(409)和切边模(410)安装在第三中间模板(403)中。3. The motor housing continuous drawing deformable overlapping continuous die structure as described in claim 1 is characterized in that, in the first module: the third intermediate template (403) is installed under the fourth intermediate template (404) and a spring is installed in the middle, a small guide column (17) is installed in the fourth intermediate template (404), a small guide sleeve (16) is installed in the third intermediate template (403), the small guide sleeve (16) and the small guide column (17) are coaxially installed, and a punching needle (408), a trimming die guide needle (409) and a trimming die (410) are installed in the third intermediate template (403). 4.如权利要求1所述的机外壳连续拉深可变形搭边连续模结构，所述第二模块中：拉深凹模套筒(702)上安装有弹簧压块(703)，拉深凹模套筒(702)中安装有拉深凹模(704)，弹簧压块(703)和拉深凹模(704)间装有弹簧；在第五个工步位中还设置有第一拉深凸模固定板与第二拉深凸模固定板，所述第一拉深凸模固定板(705)上安装有拉深凸模(707)，该拉深凸模(707)靠与第二拉深凸模固定板(706)相接触的平面实现定位，第二拉深凸模固定板(706)上设置有卸力板(708)；并且在第一拉深凸模固定板(705)、第二拉深凸模固定板(706)和卸力板(708)中设置有卸力导柱(709)。4. The continuous drawing deformable overlapping continuous die structure of the machine casing as described in claim 1, wherein in the second module: a spring pressure block (703) is installed on the drawing die sleeve (702), a drawing die (704) is installed in the drawing die sleeve (702), and a spring is installed between the spring pressure block (703) and the drawing die (704); a first drawing punch fixing plate and a second drawing punch fixing plate are also provided in the fifth working step, a drawing punch (707) is installed on the first drawing punch fixing plate (705), and the drawing punch (707) is positioned by a plane in contact with the second drawing punch fixing plate (706), and a force unloading plate (708) is provided on the second drawing punch fixing plate (706); and a force unloading guide column (709) is provided in the first drawing punch fixing plate (705), the second drawing punch fixing plate (706) and the force unloading plate (708). 5.如权利要求1所述的电机外壳连续拉深可变形搭边连续模结构，其特征在于，所述第三模块中：凹模固定套筒(801)和凹模固定套筒(801)上面的套筒中安装有凹模；所述冲针套筒(806)安装在凹模固定套筒和凹模固定套筒上面的套筒中，且冲针套筒(806)上面装有冲针固定块(805)，冲针固定块(805)上面装有冲针压块(804)，并在冲针固定块(805)和冲针套筒(806)中安装有冲针(803)。5. The motor housing continuous drawing deformable overlapping continuous die structure as described in claim 1 is characterized in that, in the third module: a die fixing sleeve (801) and a sleeve above the die fixing sleeve (801) are provided with a die; the punch needle sleeve (806) is provided in the die fixing sleeve and the sleeve above the die fixing sleeve, and a punch needle fixing block (805) is provided on the punch needle sleeve (806), a punch needle pressing block (804) is provided on the punch needle fixing block (805), and a punch needle (803) is provided in the punch needle fixing block (805) and the punch needle sleeve (806). 6.如权利要求1所述的电机外壳连续拉深可变形搭边连续模结构，其特征在于，所述第六模块中：滑动导向块(1104)与落料模压块(1101)中间装有滑块压块(1103)和弹簧，滑动导向块(1104)下面装有凹模固定套(1105)，滑动导向块(1104)和凹模固定套(1105)中装有凹模，凹模中装有定位钉(1106)，凹模固定套(1105)下面装有落料凹模切块(1107)，且落料凹模切块(1107)安装在落料凹模固定板(1108)中；下模板(3)上装有中间模板，中间模板中装有固定凸模的落料凸模固定件(1109)。6. The continuous deep drawing deformable overlapping continuous die structure of the motor housing as described in claim 1 is characterized in that, in the sixth module: a slider block (1103) and a spring are installed between the sliding guide block (1104) and the blanking die block (1101), a die fixing sleeve (1105) is installed below the sliding guide block (1104), a die is installed between the sliding guide block (1104) and the die fixing sleeve (1105), a positioning pin (1106) is installed in the die, a blanking die cutting block (1107) is installed below the die fixing sleeve (1105), and the blanking die cutting block (1107) is installed in the blanking die fixing plate (1108); an intermediate template is installed on the lower template (3), and a blanking punch fixing part (1109) for fixing the punch is installed in the intermediate template. 7.如权利要求1所述的电机外壳连续拉深可变形搭边连续模结构，其特征在于，所述第二模块、第三模块、第四模块、第五模块和第六模块中分别装有卸力板和卸力导柱，并且在第四模块和第六模块的卸力板上分别装有卸料板(903)；7. The motor housing continuous deep drawing deformable overlap continuous die structure according to claim 1, characterized in that the second module, the third module, the fourth module, the fifth module and the sixth module are respectively equipped with a force unloading plate and a force unloading guide column, and the force unloading plates of the fourth module and the sixth module are respectively equipped with a unloading plate (903); 其中第三模块第九个工步位和第四模块第十一个工步位中的冲孔模冲针压块(804)、冲针固定块(805)和冲针套筒(806)在相对于料带前进方向的左右侧加工有具有同轴度且不对称的孔，并装有销，保证冲针安装时的定位精度。The punching die needle pressing block (804), the needle fixing block (805) and the needle sleeve (806) in the ninth working step of the third module and the eleventh working step of the fourth module are processed with coaxial and asymmetric holes on the left and right sides relative to the forward direction of the material strip, and are equipped with pins to ensure the positioning accuracy of the needle during installation.
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