CN113829191A - A buckle point punch grinding device for a progressive die of a motor iron core - Google Patents

A buckle point punch grinding device for a progressive die of a motor iron core Download PDF

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Publication number
CN113829191A
CN113829191A CN202111289101.1A CN202111289101A CN113829191A CN 113829191 A CN113829191 A CN 113829191A CN 202111289101 A CN202111289101 A CN 202111289101A CN 113829191 A CN113829191 A CN 113829191A
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China
Prior art keywords
punch
fixing seat
grinding
seat
upper fixing
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Pending
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CN202111289101.1A
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Chinese (zh)
Inventor
肖磊
雷小友
谢文银
张红军
马凯雄
谢燕康
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Precision Mold Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Precision Mold Co Ltd
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Application filed by Gree Electric Appliances Inc of Zhuhai, Zhuhai Gree Precision Mold Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202111289101.1A priority Critical patent/CN113829191A/en
Publication of CN113829191A publication Critical patent/CN113829191A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/20—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/02—Bench grinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

本发明公开的一种马达铁芯级进模的扣点类冲头研磨装置，包括冲头、上固定座和下固定座，所述冲头通过固定销钉与所述上固定座和所述下固定座连接，所述固定销钉与所述下固定座以下固定座销钉固定螺塞配合连接，所述固定销钉通过上固定座销钉固定螺塞与所述上固定座连接，所述冲头包括冲头刃口部倒角面和冲头刃口水平端面，所述冲头刃口部倒角面和冲头刃口水平端面设于冲头一端。本发明提供的冲头研磨装置能够能够解决马达铁芯级进模扣点类冲头刃口部倒角加工工序由斜面研磨转换成水平研磨的问题，实现冲头高度等高研磨及批量研磨，保证冲头刃口部倒角尺寸及冲头高度等高，操作方便。

Figure 202111289101

The invention discloses a buckle point punch grinding device for a progressive die of a motor iron core, comprising a punch, an upper fixing seat and a lower fixing seat, and the punch is connected to the upper fixing seat and the lower fixing seat through a fixing pin. The fixing base is connected with the fixing base, and the fixing pin is connected with the fixing plug of the lower fixing base and the lower fixing base. The fixing pin is connected to the upper fixing base through the fixing plug of the upper fixing base. The punch includes a punch The chamfered surface of the head edge portion and the horizontal end surface of the punch edge are provided at one end of the punch. The punch grinding device provided by the invention can solve the problem of converting the chamfering process of the cutting edge of the punch of the progressive die of the motor iron core from the inclined surface grinding to the horizontal grinding, and realize the high grinding and batch grinding of the punch height. Ensure that the chamfer size of the punch edge and the height of the punch are equal, and the operation is convenient.

Figure 202111289101

Description

Motor core upgrades knot of mould and puts a kind of drift grinder
Technical Field
The invention relates to the technical field of grinding devices, in particular to a grinding device for a buckling point type punch of a progressive die of a motor iron core.
Background
The motor iron core progressive die is internally provided with a buckling point punch and a buckling point pressing punch head lamp buckling point punch, the size and specification of the cutting edge of the motor iron core progressive die are different from 0.7mm to 5.0mm, the iron core installation product requires that the edge part of the punch head needs to be processed with a specific chamfer on one side or two sides, the requirement on the processing precision of the cutting edge chamfer is high, the cutting edge chamfer is an inclined plane, and the processing difficulty is high.
In the using period of the motor iron core progressive die, the type of punch heads needs to be ground for more than 50 times, each set of progressive die has 6 to 40 or more buckling point type punch heads, the processing requirement is high, and the processing amount is large.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a method for processing a chamfer of a cutting edge of a punch head of a progressive die of a motor iron core, which can solve the problem that the chamfer processing procedure of the buckling point type punch head of the progressive die of the motor iron core is converted from inclined plane grinding to horizontal grinding, realize equal-height grinding and batch grinding of the punch head, ensure that the chamfer size of the cutting edge of the punch head and the height of the punch head are equal, is convenient to operate, does not need to calculate a processing angle in processing, avoids processing abnormity, has a simple structure and low manufacturing cost, and meets the requirements of different progressive dies of the motor iron core.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a kind of deduction point type drift grinder of the progressive die of motor core, including drift, upper fixing base and lower fixing base, the said drift is connected with said upper fixing base and said lower fixing base through the fixed pin, the said fixed pin is connected with the fixed screw plug of fixed base pin below the said lower fixing base in coordination, the said fixed pin is connected with said upper fixing base through the fixed screw plug of fixed pin of upper fixing base, the said drift includes drift cutting edge portion chamfer surface and drift cutting edge horizontal end surface, said drift cutting edge portion chamfer surface and drift cutting edge horizontal end surface locate at one end of drift, the included angle of the said drift cutting edge portion horizontal end surface and drift cutting edge portion chamfer surface forms the chamfer of the cutting edge portion of drift, the said lower fixing base has horizontal working surface of lower fixing base and lower fixing base cutting edge slope grinding working surface, the said lower fixing base horizontal working surface is connected with lower fixing base cutting edge slope grinding working surface, the included angle of the horizontal working surface of the lower fixing seat and the inclined grinding working surface of the cutting edge of the lower fixing seat forms a lower fixing seat chamfer.
As a further improvement of the invention: go up the fixing base and be equipped with fixing base inclination and grind the working face and go up fixing base horizontal work face, it grinds the working face with last fixing base inclination to go up fixing base horizontal work face and is connected, go up the contained angle that fixing base horizontal work face and last fixing base inclination ground the working face and form the fixing base chamfer.
As a further improvement of the invention: go up the fixing base still be equipped with fixing base drift fixed orifices and go up fixing base pin locating hole, go up fixing base drift fixed orifices and pass go up the horizontal working face of fixing base form go up the fixed orifices with go up the fixing base integral type and connect, it is equipped with two kinds of diameters to go up fixing base drift fixed orifices, it includes first through-hole and second through-hole to go up fixing base drift fixed orifices, the horizontal working face of fixing base is connected to first through-hole, first through-hole is connected to the second through-hole, go up fixing base pin locating hole and pass go up the horizontal working face of fixing base form go up the locating hole with go up the fixing base integral type and connect.
As a further improvement of the invention: the upper fixing seat is further provided with an upper fixing seat pin fixing plug hole, the upper fixing seat pin fixing plug hole penetrates through the side face of the upper fixing seat to be connected with the upper fixing seat pin positioning hole, the upper fixing seat pin fixing plug hole is integrally connected with the upper fixing seat, and the upper fixing seat is connected with the upper fixing seat pin fixing plug hole in a matched mode through the upper fixing seat pin fixing plug hole.
As a further improvement of the invention: the lower fixing seat is provided with a lower fixing seat punch hanging platform clearance groove, the lower fixing seat punch hanging platform clearance groove is connected with a lower fixing seat horizontal working surface, and the lower fixing seat punch hanging platform clearance groove is integrally connected with the lower fixing seat.
As a further improvement of the invention: the lower fixing seat is further provided with a lower fixing seat punch fixing hole and a lower fixing seat pin positioning hole, the lower fixing seat punch fixing hole penetrates through the lower fixing seat punch hanging platform clearance groove to form a lower fixing hole, the lower fixing seat is integrally connected with the lower fixing seat, and the lower fixing seat pin positioning hole penetrates through the lower fixing seat punch hanging platform clearance groove to form a lower positioning hole, and the lower positioning hole is integrally connected with the upper fixing seat.
As a further improvement of the invention: the lower fixing seat is further provided with a lower fixing seat punch fixing plug hole and a lower fixing seat pin fixing plug hole, the lower fixing seat punch fixing plug hole penetrates through the side face of the lower fixing seat and is connected with the lower fixing seat punch fixing hole, and the lower fixing seat pin fixing plug hole penetrates through the side face of the lower fixing seat and is connected with the lower fixing seat pin positioning hole.
As a further improvement of the invention: the lower fixing seat is further provided with a lower fixing seat punch fixing plug screw, the lower fixing seat is in matched connection with the lower fixing seat punch fixing plug screw through a lower fixing seat punch fixing plug screw, and the lower fixing seat is in matched connection with the lower fixing seat pin fixing plug screw through a lower fixing seat pin fixing plug screw.
The method for grinding the buckling point type punch of the motor iron core progressive die adopts the buckling point type punch grinding device of the motor iron core progressive die, and comprises the following steps:
s1, acquiring punch data of the punch grinding device, wherein the punch data comprises the maximum length size 7 of the end surface of the cutting edge of the punch, the horizontal size 6 of the non-chamfered surface of the end surface of the cutting edge of the punch and the chamfer angle 4 of the cutting edge part of the punch;
s2, if the punch grinding device is in a punch equal-height grinding state, the process goes to step S3; if the punch grinding device is in a punch cutting edge chamfer grinding state, the process goes to step S4;
s3, horizontally placing the horizontal working surface 26 of the lower fixing seat of the punch grinding device on the working table of the surface grinding machine to finish machining;
s4, horizontally placing the inclined grinding working surface 15 of the cutting edge of the lower fixing seat of the punch grinding device on the working table of the grinding machine, detecting the chamfer surface 5 of the upper fixing seat of the punch grinding device on the machine, detecting whether the punch grinding device is placed horizontally, and entering the step S5;
s5, after the detection is finished, horizontally grinding the chamfer surface 5 of the cutting edge part of the punch, and calculating the grinding height 3 of the chamfer surface of the cutting edge part of the machining punch by the following formula: the punch edge chamfer grinding height 3 is (maximum length of the punch edge end face 7-horizontal non-chamfer dimension of the punch edge end face 6)/2 sin (punch edge chamfer angle 4).
As a further improvement of the invention: and step S3, the horizontal working surface 26 of the lower fixing seat of the punch grinding device is flatly placed on the surface of the surface grinding machine, including the end surface 28 of the cutting edge of the punch and the surface of the grinding machine are relatively parallel.
As a further improvement of the invention: and the grinding height 3 of the chamfer surface of the cutting edge part of the processing punch in the step S5 comprises the forming processing of the chamfer angle 4 of the cutting edge part of the punch and the horizontal dimension 6 of the non-chamfer surface of the cutting edge end surface of the punch.
As a further improvement of the invention: the punch data further comprises the height of the buckling point type punch, the chamfering angle of the upper fixing seat of the punch grinding device and the chamfering angle of the lower fixing seat of the punch grinding device.
As a further improvement of the invention: and S4, horizontally placing the inclined grinding working surface 15 of the cutting edge of the lower fixing seat of the punch grinding device on the working table of the grinding machine, wherein the inclined grinding working surface comprises a punch cutting edge part chamfer surface 5 which is relatively parallel to the working table of the grinding machine.
Compared with the prior art, the invention has the beneficial effects that:
1. the punch grinding device can be suitable for grinding the punch cutting edge of a progressive die buckling point type of a motor iron core, changes the chamfer processing procedure of the punch cutting edge from inclined plane grinding into horizontal plane grinding, and can realize equal-height grinding and batch production.
2. The invention has simple structure, convenient installation, moderate processing precision, low cost and wide application range, and can meet the grinding use of the buckling point punch with the chamfer angle of 0-90 degrees at the cutting edge part only by adjusting the set angle value of the jig.
Drawings
Fig. 1 is a structural front view of the present invention.
Fig. 2 is a top perspective view of the structure of the present invention.
Fig. 3 is a side perspective view of the structure of the present invention.
Fig. 4 is an elevational view of the punch of the present invention.
Fig. 5 is a view of a punch portion a-a of the present invention.
FIG. 6 is a top perspective view of the upper mounting structure of the present invention.
FIG. 7 is a side perspective view of the upper mounting structure of the present invention.
FIG. 8 is a top perspective view of the lower mounting structure of the present invention.
FIG. 9 is a side perspective view of the upper mounting structure of the present invention.
FIG. 10 is a schematic view showing a state where the punch is highly polished according to the present invention.
FIG. 11 is a schematic view showing a state of chamfering and grinding the cutting edge of the punch according to the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying description and examples:
detailed description of the invention:
a kind of deduction point type drift grinder of the progressive die of motor core, including drift 1, upper fixed seat 27 and lower fixed seat 12, the said drift 1 is connected with said upper fixed seat 27 and said lower fixed seat 12 through the fixed pin 23, the said fixed pin 23 is connected with fixed plug screw 24 of fixed seat pin below the said lower fixed seat 12 in a matched manner, the said fixed pin 23 is connected with said upper fixed seat 27 through the fixed plug screw 22 of fixed seat pin, the said drift 1 includes drift edge part chamfer 5 and drift edge part horizontal end 28, said drift edge part chamfer 5 and drift edge part horizontal end 28 locate one end of drift, the included angle of said drift edge part horizontal end 28 and drift edge part chamfer 5 forms the chamfer 4 of drift edge part, the said lower fixed seat 12 is equipped with lower fixed seat horizontal working plane 26 and lower fixed seat edge slope grinding working plane 15, lower fixing base horizontal surface 26 is connected with lower fixing base blade inclination grinding surface 15, lower fixing base horizontal surface 26 forms lower fixing base chamfer 11 with lower fixing base blade inclination grinding surface 15's contained angle.
The upper fixing seat 27 is provided with an upper fixing seat inclination grinding working surface 10 and an upper fixing seat horizontal working surface 9, the upper fixing seat horizontal working surface 9 is connected with the upper fixing seat inclination grinding working surface 10, an included angle between the upper fixing seat horizontal working surface 9 and the upper fixing seat inclination grinding working surface 10 forms an upper fixing seat chamfer 8, the upper fixing seat 27 is further provided with an upper fixing seat punch fixing hole 19 and an upper fixing seat pin positioning hole 21, the upper fixing seat punch fixing hole 19 penetrates through the upper fixing seat horizontal working surface 9 to form an upper fixing hole which is integrally connected with the upper fixing seat 27, the upper fixing seat punch fixing hole 19 is provided with two diameters, the upper fixing seat punch fixing hole 19 comprises a first through hole 191 and a second through hole 192, the first through hole 191 is connected with the upper fixing seat inclination grinding working surface 9, and the second through hole 192 is connected with the first through hole 191, the upper fixing seat pin positioning hole 21 penetrates through the upper positioning hole formed in the horizontal working face 9 of the upper fixing seat and is integrally connected with the upper fixing seat 27, the upper fixing seat 27 is further provided with an upper fixing seat pin fixing screw plug hole 20, the upper fixing seat pin fixing screw plug hole 2 penetrates through the side face of the upper fixing seat 27 and is connected with the upper fixing seat pin positioning hole 21, the upper fixing seat pin fixing screw plug hole 20 is integrally connected with the upper fixing seat 27, and the upper fixing seat 27 is in matched connection with the upper fixing seat pin fixing screw plug 22 through the upper fixing seat pin fixing screw plug hole 20.
The lower fixing seat 12 is provided with a lower fixing seat punch hanging platform clearance groove 14, the lower fixing seat punch hanging platform clearance groove 14 is connected with a lower fixing seat horizontal working surface 26, the lower fixing seat punch hanging platform clearance groove 14 is integrally connected with the lower fixing seat 12, the lower fixing seat 12 is further provided with a lower fixing seat punch fixing hole 17 and a lower fixing seat pin positioning hole 18, the lower fixing seat punch fixing hole 17 penetrates through the lower fixing seat punch hanging platform clearance groove 14 to form a lower fixing hole which is integrally connected with the lower fixing seat 12, the lower fixing seat pin positioning hole 18 penetrates through the lower fixing seat punch hanging platform clearance groove 14 to form a lower positioning hole which is integrally connected with the upper fixing seat 12, the lower fixing seat 12 is further provided with a lower fixing seat punch fixing screw plug hole 13 and a lower fixing seat pin fixing screw plug hole 16, the lower fixing seat punch fixing screw plug hole 13 penetrates through the side surface of the lower fixing seat 12 to be connected with the lower fixing seat punch fixing hole 17, the lower fixing seat pin fixing plug hole 16 penetrates through the side face of the lower fixing seat 12 to be connected with the lower fixing seat pin positioning hole 18, the lower fixing seat 12 is further provided with a lower fixing seat punch fixing plug screw 25, the lower fixing seat 12 is in matched connection with the lower fixing seat punch fixing plug screw 25 through a lower fixing seat punch fixing plug screw hole 13, and the lower fixing seat 12 is in matched connection with the lower fixing seat pin fixing plug screw 24 through a lower fixing seat pin fixing plug screw hole 16.
The method for grinding the buckling point type punch of the motor iron core progressive die adopts the buckling point type punch grinding device of the motor iron core progressive die, and comprises the following steps:
s1, acquiring punch data of the punch grinding device, wherein the punch data comprise the maximum length size 7 of the cutting edge end face of the punch, the horizontal size 6 of the non-chamfered surface of the cutting edge end face of the punch and the chamfer angle 4 of the cutting edge part of the punch;
s2, if the punch grinding device is in a punch equal-height grinding state, the process goes to step S3; if the punch grinding device is in a punch cutting edge chamfer grinding state, the process goes to step S4;
s3, horizontally placing the horizontal working surface 26 of the lower fixing seat of the punch grinding device on the surface grinding machine working table, and enabling the cutting edge end surface 28 of the punch to be relatively parallel to the surface grinding machine working table to finish machining;
s4, horizontally placing the inclined grinding working surface 15 of the cutting edge of the lower fixing seat of the punch grinding device on the working table of the grinding machine, enabling the chamfer surface 5 of the cutting edge part of the punch to be relatively parallel to the working table of the grinding machine, detecting the inclined grinding working surface 10 of the upper fixing seat of the punch grinding device on the machine, detecting whether the punch grinding device is placed horizontally, and entering step S5;
s5, after the detection is completed, horizontally grinding the chamfer surface 5 of the cutting edge part of the punch, forming the chamfer 4 angle of the cutting edge part of the punch and the horizontal size 6 of the non-chamfer surface of the cutting edge end surface of the punch, and calculating the grinding height 3 of the chamfer surface of the cutting edge part of the punch by the following formula: the punch edge chamfer surface grinding height 3 is (maximum length of the punch edge end surface 7-horizontal non-chamfer surface size of the punch edge end surface 6)/2 sin (4 angles of the punch edge chamfer).
The punch data further comprises a buckling point type punch height 2, an angle of 8 chamfer angles of an upper fixing seat of the punch grinding device and an angle of 11 chamfer angles of a lower fixing seat of the punch grinding device.
The first embodiment is as follows:
in the process of assembling and maintaining the progressive die of the motor iron core, the height size 2 of the punch needs to be independently ground by adopting the swing angle of a magnetic table of a surface grinding machine or other modes, the chamfer angle of the cutting edge part of the punch is 4 degrees, and the horizontal size of the non-chamfered surface of the end surface of the cutting edge of the punch is 6, so that the size precision control difficulty is high, and the batch production is difficult.
In fig. 2 and 3, the number of the punch fixing holes 19 of the upper fixing seat is equal to that of the punch fixing holes 17 of the lower fixing seat, the number of the punch fixing holes is equal to that of the ground punches, and all the punches 1 are simultaneously ground after being clamped; two fixing pins 23 correspondingly pass through the upper fixing seat pin positioning holes 21 and the lower fixing seat pin positioning holes 18, the upper fixing seat 27 of the punch grinding device and the lower fixing seat 12 of the punch grinding device are connected together, and the reasonable length is adjusted, because the chamfer 8 of the upper fixed seat of the punch grinding device is the same as the chamfer 11 of the lower fixed seat of the punch grinding device, the inclined grinding working surface 10 of the upper fixed seat of the punch grinding device is relatively parallel to the inclined grinding working surface 15 of the cutting edge of the lower fixed seat, the pin fixing screw plug 22 of the upper fixed seat is screwed into the pin fixing screw plug hole 20 of the upper fixed seat, a lower fixed seat pin fixing screw plug 24 is screwed into the lower fixed seat pin fixing screw plug hole 16 until the head of the screw plug respectively props against the upper end and the lower end of the fixed pin 23, the relative positions of an upper fixed seat 27 of the punch grinding device, a lower fixed seat 12 of the punch grinding device and the fixed pin 23 are kept not to move, and at the moment, the whole punch grinding device is in a stable state; the buckling point type punch 1 penetrates through a lower fixed seat punch hanging platform clearance groove 14, penetrates through a lower fixed seat punch fixing hole 17 and an upper fixed seat punch fixing hole 19 from bottom to top and is adjusted to a reasonable position; the back of the punch fixing hole 19 of the upper fixing seat escapes, so that the processing amount and the punch assembly guiding function can be reduced; screwing the lower fixed seat punch fixing plug screw 25 into the lower fixed seat punch fixing plug screw hole 13 to prop against the buckling point type punch 1 and keep the relative positions of the lower fixed seat punch fixing plug screw 25 and the lower fixed seat punch fixing plug screw hole 12 of the punch grinding device not to move; the tightness of the buckling point type punch 1 and the grinding jig can be adjusted by adjusting the relative positions of the lower fixing seat punch fixing screw plug hole 13 and the buckling point type punch 1. At this time, the punch 1 and the punch polishing apparatus are completely assembled.
In fig. 4, in order to realize equal-height grinding of the punch cutting edge end surface 28, the horizontal working surface 26 of the lower fixing seat of the punch grinding device (including the punch) is flatly placed on the surface of the surface grinding machine working table, the punch fixing screw plug 25 of the lower fixing seat is loosened, the punch cutting edge end surface 28 of the buckling point punch 1 is tapped, the bottom of the buckling point punch 1 is made to be attached to the surface of the grinding machine working table, the punch fixing screw plug 25 of the lower fixing seat is screwed, the punch fixing screw plug 25 of the lower fixing seat is made to abut against the buckling point punch 1 to play a fastening role, and the buckling point punch 1 is ensured not to shake; at the moment, the cutting edge end surface 28 of the punch is relatively parallel to the surface of a grinding machine working table, and the normal horizontal grinding of the surface grinding machine can finish the equal-height grinding of the height 2 of the clamped buckling point punch and the like, and the number of the buckled point punch is processed according to the design drawing file.
In fig. 5, in order to realize the processing of the chamfer 4 angle of the cutting edge part of the punch and the horizontal dimension 6 of the non-chamfer surface of the cutting edge end surface of the punch, the chamfer processing procedure of the cutting edge part of the button point type punch is changed from bevel grinding to horizontal grinding, after finishing grinding the height 2 of the button point type punch according to the production requirement, horizontally placing the inclined grinding working surface 15 of the cutting edge of the lower fixed seat of the punch grinding device (containing the punch) on the working table surface of the grinding machine, at the moment, because the angle of the chamfer 4 of the cutting edge part of the punch is the same as the chamfer 8 of the upper fixed seat of the punch grinding device and the chamfer 11 of the lower fixed seat of the punch grinding device, the inclined grinding working surface 15 of the cutting edge of the lower fixed seat is relatively parallel to the inclined grinding working surface 10 of the upper fixed seat of the punch grinding device and the chamfer 5 of the cutting edge part of the punch, the chamfer surface 5 of the cutting edge part of the punch is relatively parallel to the worktable surface of the grinding machine, and the non-horizontal grinding of the chamfer surface 5 of the cutting edge part of the punch is converted into horizontal grinding;
the horizontal grinding of the chamfer surface 5 at the edge part of the punch by a surface grinding machine realizes the size processing according to the design requirement of the chamfer angle 4 at the edge part of the existing punch and the horizontal size 6 of the non-chamfer surface at the edge end surface of the existing punch, detects the slope grinding working surface 10 of a fixed seat on a punch grinding device on the machine, and detects whether the punch grinding device is horizontally arranged or not;
after the detection is finished, the grinding height 3 of the chamfer surface of the cutting edge part of the punch is calculated by the following formula: the grinding height 3 of the chamfer surface of the cutting edge part of the punch is equal to (the maximum length dimension of the end surface of the cutting edge of the punch is 7-the horizontal dimension 6 of the non-chamfer surface of the end surface of the cutting edge of the punch)/2 sin (the chamfer angle of the cutting edge part of the punch is 4 degrees);
and horizontally grinding the chamfer surface 5 of the edge part of the punch, wherein the grinding height is the grinding height 3 of the chamfer surface of the edge part of the punch, so that the forming processing of the chamfer angle 4 of the edge part of the punch and the horizontal size 6 of the non-chamfer surface of the edge end surface of the edge part of the punch can be finished.
The problem of motor core upgrades mould knot point class drift blade portion chamfer by the inclined plane grinding convert horizontal grinding into is solved, realize that the equal altitude of drift grinds and the drift is ground in batches, guarantee that each drift blade portion chamfer size and drift height are equal, simple structure, processing is convenient, and applicable satisfying blade portion sets for the drift that the chamfer is 0 ~ 90 degree and grinds the use.
In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.

Claims (10)

1.一种马达铁芯级进模的扣点类冲头研磨装置，包括冲头、上固定座和下固定座，其特征在于，所述冲头通过固定销钉与所述上固定座和所述下固定座连接，所述固定销钉与所述下固定座以下固定座销钉固定螺塞配合连接，所述固定销钉通过上固定座销钉固定螺塞与所述上固定座连接，所述冲头包括冲头刃口部倒角面和冲头刃口水平端面，所述冲头刃口部倒角面和冲头刃口水平端面设于冲头一端，所述冲头刃口水平端面与冲头刃口部倒角面的夹角形成冲头刃口部倒角，所述下固定座设有下固定座水平工作面和下固定座刃口斜度研磨工作面，所述下固定座水平工作面与下固定座刃口斜度研磨工作面连接，所述下固定座水平工作面与下固定座刃口斜度研磨工作面的夹角形成下固定座倒角。1. A buckle point punch grinding device for a progressive die of a motor iron core, comprising a punch, an upper fixing seat and a lower fixing seat, wherein the punch is connected to the upper fixing seat and the lower fixing seat by a fixing pin. The lower fixing base is connected, the fixing pin is matched and connected with the lower fixing base pin fixing screw plug of the lower fixing base, the fixing pin is connected with the upper fixing base through the upper fixing base pin fixing screw plug, and the punch It includes the chamfered surface of the punch edge portion and the horizontal end surface of the punch edge, the chamfered surface of the punch edge portion and the horizontal end surface of the punch edge are arranged at one end of the punch, and the horizontal end surface of the punch edge is connected to the punch. The included angle of the chamfered surface of the cutting edge of the head forms the chamfering of the cutting edge of the punch. The working surface is connected with the lower fixed seat edge inclination grinding work surface, and the angle between the lower fixed seat horizontal working surface and the lower fixed seat edge inclination grinding work surface forms the lower fixed seat chamfer. 2.根据权利要求1所述的一种马达铁芯级进模的扣点类冲头研磨装置，其特征在于，所述上固定座设有上固定座斜度研磨工作面和上固定座水平工作面，所述上固定座水平工作面与上固定座斜度研磨工作面连接，所述上固定座水平工作面与上固定座斜度研磨工作面的夹角形成上固定座倒角。2 . The buckling point punch grinding device of a progressive die for a motor iron core according to claim 1 , wherein the upper fixing seat is provided with an upper fixing seat inclination grinding working surface and a horizontal upper fixing seat. 3 . The working surface, the horizontal working surface of the upper fixing seat is connected with the inclined grinding working surface of the upper fixing seat, and the angle between the horizontal working surface of the upper fixing seat and the inclined grinding working surface of the upper fixing seat forms the chamfering of the upper fixing seat. 3.根据权利要求2所述的一种马达铁芯级进模的扣点类冲头研磨装置，其特征在于，所述上固定座还设有上固定座冲头固定孔和上固定座销钉定位孔，所述上固定座冲头固定孔穿过所述上固定座水平工作面形成上固定孔与所述上固定座一体式连接，所述上固定座冲头固定孔设有两种直径，所述上固定座冲头固定孔包括第一通孔和第二通孔，所述第一通孔连接上固定座水平工作面，所述第二通孔连接第一通孔，所述上固定座销钉定位孔穿过所述上固定座水平工作面形成上定位孔与所述上固定座一体式连接。3 . The buckle point punch grinding device of a progressive die for a motor iron core according to claim 2 , wherein the upper fixing seat is further provided with an upper fixing seat punch fixing hole and an upper fixing seat pin. 4 . Positioning hole, the upper fixing seat punch fixing hole passes through the horizontal working surface of the upper fixing seat to form an integral connection with the upper fixing seat, and the upper fixing seat punch fixing hole is provided with two diameters , the upper fixing seat punch fixing hole includes a first through hole and a second through hole, the first through hole is connected to the horizontal working surface of the upper fixing seat, the second through hole is connected to the first through hole, the upper The pin positioning holes of the fixing seat pass through the horizontal working surface of the upper fixing seat to form an upper positioning hole which is integrally connected with the upper fixing seat. 4.根据权利要求3所述的一种马达铁芯级进模的扣点类冲头研磨装置，其特征在于，所述上固定座还设有上固定座销钉固定螺塞孔，所述上固定座销钉固定螺塞孔穿过所述上固定座的侧面连接所述上固定座销钉定位孔，所述上固定座销钉固定螺塞孔与所述上固定座一体式连接，所述上固定座通过上固定座销钉固定螺塞孔与所述上固定座销钉固定螺塞配合连接。4 . The buckle point punch grinding device for a progressive die of a motor iron core according to claim 3 , wherein the upper fixing seat is further provided with an upper fixing seat pin fixing screw plug hole, and the upper fixing seat The fixing seat pin fixing screw plug hole passes through the side surface of the upper fixing seat and is connected to the upper fixing seat pin positioning hole, the upper fixing seat pin fixing screw plug hole is integrally connected with the upper fixing seat, and the upper fixing seat is integrally connected. The seat is matched and connected with the upper fixing seat pin fixing screw plug through the upper fixing seat pin fixing screw plug hole. 5.根据权利要求1所述的一种马达铁芯级进模的扣点类冲头研磨装置，其特征在于，所述下固定座设有下固定座冲头挂台避空槽,所述下固定座冲头挂台避空槽连接下固定座水平工作面，所述下固定座冲头挂台避空槽与所述下固定座一体式连接。5. The buckle point punch grinding device for a progressive die of a motor iron core according to claim 1, wherein the lower fixing seat is provided with a lower fixing seat punch hanging table hollow groove, and the lower fixing seat The lower fixing seat punch hanging table void avoidance groove is connected to the horizontal working surface of the lower fixing seat, and the lower fixing seat punch hanging table void avoidance groove is integrally connected with the lower fixing seat. 6.根据权利要求5所述的一种马达铁芯级进模的扣点类冲头研磨装置，其特征在于，所述下固定座还设有下固定座冲头固定孔和下固定座销钉定位孔，所述下固定座冲头固定孔穿过所述下固定座冲头挂台避空槽形成下固定孔与所述下固定座一体式连接，所述下固定座销钉定位孔穿过所述下固定座冲头挂台避空槽形成下定位孔与所述上固定座一体式连接。6 . The buckle point punch grinding device for a progressive die of a motor iron core according to claim 5 , wherein the lower fixing seat is further provided with a lower fixing seat punch fixing hole and a lower fixing seat pin. 7 . a positioning hole, the lower fixing seat punch fixing hole passes through the lower fixing seat punch hanging platform hollow-avoiding groove to form a lower fixing hole and is integrally connected with the lower fixing seat, and the lower fixing seat pin positioning hole passes through A lower positioning hole is formed in the lower fixing seat punch hanging table hollow-avoiding groove and is integrally connected with the upper fixing seat. 7.根据权利要求1所述的一种马达铁芯级进模的扣点类冲头研磨装置，其特征在于，所述下固定座还设有下固定座冲头固定螺塞孔和下固定座销钉固定螺塞孔，所述下固定座冲头固定螺塞孔穿过所述下固定座的侧面与所述下固定座冲头固定孔连接，所述下固定座销钉固定螺塞孔穿过所述下固定座的侧面与所述下固定座销钉定位孔连接。7 . The buckle point punch grinding device for a progressive die of a motor iron core according to claim 1 , wherein the lower fixing seat is further provided with a lower fixing seat punch fixing screw plug hole and a lower fixing seat. 8 . The seat pin fixing screw plug hole, the lower fixing seat punch fixing screw plug hole is connected with the lower fixing seat punch fixing hole through the side surface of the lower fixing seat, and the lower fixing seat pin fixing screw plug hole is pierced through the lower fixing seat. It is connected with the pin positioning hole of the lower fixing seat through the side surface of the lower fixing seat. 8.一种马达铁芯级进模的扣点类冲头研磨方法，其特征在于，采用如权利要求1-7所述的马达铁芯级进模的扣点类冲头研磨装置，包括以下步骤：8. A method for grinding a buckling point punch of a progressive die for a motor iron core, characterized in that the buckling point punch grinding device for a progressive die for a motor iron core as claimed in claims 1-7 is adopted, comprising the following: step: S1、获取冲头研磨装置冲头数据，所述冲头数据包括冲头刃口端面最大长度尺寸7、冲头刃口端面非倒角面水平尺寸6和冲头刃口部倒角角度4；S1. Acquire punch data of the punch grinding device, the punch data includes the maximum length dimension of the end face of the punch edge 7, the horizontal dimension of the non-chamfered surface of the punch edge end face 6 and the chamfer angle of the punch edge portion 4; S2、若冲头研磨装置为冲头等高研磨状态，进入步骤S3；若冲头研磨装置为冲头刃口倒角研磨状态，进入步骤S4；S2. If the punch grinding device is in the state of punch and other height grinding, go to step S3; if the punch grinding device is in the state of punch edge chamfering grinding, go to step S4; S3、将冲头研磨装置下固定座水平工作面26平放在平面磨床工作台面上，完成加工；S3. Place the horizontal working surface 26 of the lower fixed seat of the punch grinding device flat on the working table of the surface grinder to complete the processing; S4、将冲头研磨装置下固定座刃口斜度研磨工作面15水平放在磨床工作台面上，在机检测冲头研磨装置上固定座斜度研磨工作面10，检测冲头研磨装置是否摆放水平，进入步骤S5；S4. Place the grinding surface 15 of the edge inclination of the fixed seat under the punch grinding device horizontally on the work table of the grinder, and check the inclination of the fixed seat on the punch grinding device on the machine to grind the work surface 10, and check whether the punch grinding device swings Put it horizontally, and enter step S5; S5、完成检测后，对冲头刃口部倒角面5进行水平研磨，加工冲头刃口部倒角面研磨高度3由以下公式计算可得：冲头刃口部倒角面研磨高度3＝(冲头刃口端面最大长度尺寸7-冲头刃口端面非倒角面水平尺寸6)/2*sin(冲头刃口部倒角角度4)。S5. After the inspection is completed, horizontally grind the chamfered surface 5 of the cutting edge of the punch, and the grinding height 3 of the chamfered surface of the cutting edge of the processing punch can be calculated by the following formula: The grinding height of the chamfered surface of the cutting edge of the punch 3= (Maximum length dimension of punch edge end face 7-horizontal dimension of non-chamfered surface of punch edge end face 6)/2*sin (punch edge chamfering angle 4). 9.根据权利要求8所述的一种马达铁芯级进模的扣点类冲头研磨方法，其特征在于，所述步骤S5的加工冲头刃口部倒角面研磨高度3，包括对冲头刃口部倒角角度4及冲头刃口端面非倒角面水平尺寸6的成形加工。9 . The method for grinding a punch point type punch for a progressive die of a motor iron core according to claim 8 , wherein the processing of the step S5 is that the grinding height of the chamfered surface of the cutting edge of the punch is 3, including the hedging. 10 . Forming processing of the chamfering angle 4 of the head edge and the horizontal dimension 6 of the non-chamfered surface of the punch edge end face. 10.根据权利要求8所述的一种马达铁芯级进模的扣点类冲头研磨方法，其特征在于，所述冲头数据还包括扣点类冲头高度、冲头研磨装置上固定座倒角角度和冲头研磨装置下固定座倒角角度。10 . The method for grinding buckling point punches of a progressive die for a motor iron core according to claim 8 , wherein the punch data further includes the height of the buckling point punches, the punch grinding device fixed on the punch grinding device. 11 . The chamfer angle of the seat and the chamfer angle of the lower fixed seat of the punch grinding device.
CN202111289101.1A 2021-11-02 2021-11-02 A buckle point punch grinding device for a progressive die of a motor iron core Pending CN113829191A (en)

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CN105252383A (en) * 2015-08-14 2016-01-20 宁波鸿达电机模具有限公司 Grinding method for motor iron core progressive die folding-riveting terrace dies and folding-riveting pressing rods and equipment thereof
CN216098124U (en) * 2021-11-02 2022-03-22 珠海格力精密模具有限公司 Motor core upgrades knot of mould and puts a kind of drift grinder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558560A (en) * 1994-03-07 1996-09-24 Amada Metrecs Company, Limited Tool grinding machine
CN202169529U (en) * 2011-07-22 2012-03-21 江阴华新电器有限公司 Cutter grinding fixture for laminated-riveted punch
CN202169528U (en) * 2011-07-22 2012-03-21 江阴华新电器有限公司 Location groove of cutter grinding fixture for laminated-riveted punch
CN202377893U (en) * 2011-12-15 2012-08-15 扬州恒德模具有限公司 Workbench
CN105252383A (en) * 2015-08-14 2016-01-20 宁波鸿达电机模具有限公司 Grinding method for motor iron core progressive die folding-riveting terrace dies and folding-riveting pressing rods and equipment thereof
CN216098124U (en) * 2021-11-02 2022-03-22 珠海格力精密模具有限公司 Motor core upgrades knot of mould and puts a kind of drift grinder

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