CN107984039A - A kind of progressive die Screw thread process method - Google Patents
A kind of progressive die Screw thread process method Download PDFInfo
- Publication number
- CN107984039A CN107984039A CN201711369976.6A CN201711369976A CN107984039A CN 107984039 A CN107984039 A CN 107984039A CN 201711369976 A CN201711369976 A CN 201711369976A CN 107984039 A CN107984039 A CN 107984039A
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- Prior art keywords
- tapping
- gear
- blank
- progressive die
- drive
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
- B23G1/20—Machines with a plurality of working spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
A kind of progressive die Screw thread process method, it includes the following steps step A, a tapping device is provided in progressive die, step B, when material strip is sent to the tapping device of step A offers in progressive die, tapping device operation, completes screw thread process operation.A kind of progressive die Screw thread process method provided by the present invention in the punching course of progressive die, it can be achieved that complete screw thread process, so that beneficial to the manless production for realizing high-precision motor rotor installation housing.
Description
Technical field
The present invention relates to machinery manufacturing technology field, more particularly to a kind of horizontal direction completed in progressive die to blank
With the method for vertical direction screw thread process.
Background technology
Motor mounting shell is typically to be process by plate by punching process, and Fig. 1 is a kind of motor mounting shell
Principle schematic diagram；Fig. 2 is the A-A revolved section principle schematic diagrams of Fig. 1；Fig. 3 is the B of Fig. 1 to visual angle schematic diagram；Ginseng
As shown in Fig. 1-3, the 1 type face of motor mounting shell is more complicated, it is the tubular construction of bottom opening, and side wall is provided with a water
Flat thread hole 11, shirt rim 100 is provided with multiple through holes 12 and step threaded hole 13, and 100 outer of shirt rim is provided with multiple notches,
Top surface is provided with mounting hole 14, kidney slot 15 and concave part 16, and top surface is provided centrally with stepped hole 17.
The existing manufacture method of above-mentioned motor mounting shell shapes for single mold Multi-step forming, and Fig. 4 is electronic shown in Fig. 1
The existing manufacturing process principle schematic of machine mounting shell, the base that each work step is completed in existing manufacturing process is shown in Fig. 4
The overlooking the structure diagram of part and the revolved section structure diagram of corresponding A-A positions as shown in Figs. 1-2, referring to Fig. 4 institutes
Show, existing manufacturing process is divided into 12 work steps, is followed successively by：Blanking → drawing → reverse drawing → drawing → thick whole → finishing → is cut
Side → punching → hole flanging → rushes side opening → bottom surface tapping → side tapping.Used 12 molds, the mould purposes of each work step according to
It is secondary to be described as follows：
Blanking die：Prepare circular slab.
First cupping tool：Formed cylinder body main structure.
Reverse redrawing mold, the second cupping tool, thick reshaping die, finishing mold：Top surface type face is molded, that is, is molded the depression
Portion 16 and prepare for the stepped hole 17.
Shaving die：It is molded the notch of shirt rim 100.
Punching die：Forming through hole 12, mounting hole 14, kidney slot 15, stepped hole 17.
Hole flanging mold：It is molded the step base hole of step threaded hole 13.
Side opening punching die has：The base hole of constitutive levels threaded hole 11.
Bottom surface tapping mould：It is molded step threaded hole 13.
Side tapping mould：Constitutive levels threaded hole 11.
Existing manufacture method needs more operator, and labor productivity is low, except rushing side opening, bottom surface tapping and side
Tapping these three work steps in face do not use impact style to realize, such as bottom surface tapping and side tapping the two work steps are to consolidate blank
Surely it is placed on mould and carries out tapping with threading apparatus again.Other work steps are processed using impact style, in product punching course
In be affected by human factors larger (manual feeding), it is difficult to ensure motor stator rotor installation housing finished size qualification rate.
Progressive die is multitask progressive die, in a secondary mould, can include punching, brake forming and stretching etc. are a variety of
Multiple working procedure, has very high productivity.
For the motor mounting shell of Fig. 1, in its existing manufacturing process remove rush side opening, bottom surface tapping and side tapping this
Other nine work steps outside three work steps easily can be designed as one by carrying out simple transformation to existing work step mould
Progressive die is covered, but due to being generally not provided screw thread process ability in existing grading mold technique, how will rush side opening, bottom
Face tapping and side tapping these three work steps, the bottom surface tapping and side tapping the two work steps for particularly processing screw thread are integrated into
Progressive die, with regard to as letter problem to be solved.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of progressive die Screw thread process method, above institute is reduced or avoided
The problem of mentioning.
In order to solve the above technical problems, the present invention proposes a kind of progressive die Screw thread process method, it is used in progressive die
In screw thread process is carried out to motor mounting shell 1, the motor mounting shell is the tubular construction of bottom opening, and side wall is provided with
One horizontal threaded bore, shirt rim is provided with multiple through hole and step threaded holes, and shirt rim outer is provided with multiple notches, and top surface is set
Mounting hole, kidney slot and concave part are equipped with, top surface is provided centrally with stepped hole, and described method includes following steps
Step A, in progressive die provide a tapping device, the tapping device 5 it include mould and tapping under tapping
Mold, what the tapping mold included being used for blank compress positioning passes through upper pneumatic bomb with the cope plate of progressive die
The upper compressing member of spring connection, the driving screw rod being fixedly connected with cope plate, the first nitrogen gas spring and at least one first pressure roller,
Mould includes being used for the lower support element being fixedly connected with the lower template of progressive die for positioning blank under the tapping, with
It is that template is connected by lower pneumatic spring and with the retainer plate of the lower support element slidable connection, be fixedly connected with lower template
Side tapping base, it is being connected with lower template by Rectangular Spring and with the tapping bearing of the side tapping base slidable connection,
The retainer plate bottom is fixedly connected with least one first drive screw, and the lower template is provided with and the described first transmission spiral shell
Corresponding the first travelling gear for being provided with screwed hole of centre of bar, for processing the first tapping screw tap of the step threaded hole,
The first tapping screw tap is connected by the first driven wheel with first travelling gear；The tapping bearing is provided with can be horizontal
The second mobile tapping screw tap, the second tapping screw tap are socketed in a first vertical gear, the first vertical gear
Engaged with a second vertical gear, the second vertical gear passes through a first coaxial vertical bevel gear and a setting
The first level transmission gear for having coaxial first level bevel gear connects, and the first vertical bevel gear nibbles with first level bevel gear
Close, the first level transmission gear is engaged by second idler gear with second drive, second transmission
Wheel is provided centrally with threaded hole corresponding with the driving screw rod.
Step B, when material strip is sent to the tapping device of step A offers in progressive die, its tapping process is to work as upper mold
Under punching machine effect during operation downwards, upper compressing member contacts plate with blank top surface, and compressing blank is run downwards, be that is to say and is passed through institute
State the first pressure roller and oppress retainer plate at the same time and run downwards, while the first nitrogen gas spring is oppressed the tapping bearing and is run downwards,
In downward operational process, the driving screw rod will not promote second drive to rotate.
After blank is inserted in the lower support element, the retainer plate in downward operational process, the first drive screw to
Bottom offset can drive the first travelling gear to rotate by the screwed hole of centre of the first travelling gear, so that via the first driven wheel band
Dynamic first tapping screw tap rotation, blank continues to move down after contacting with the first tapping screw tap, that is, the first tapping screw tap phase
Upward movement is done to blank, so that the tapping of step threaded hole is completed,
When the upper compressing member is moved into place, it that is to say that the upper compressing member is completed to stablize with the lower support element to blank
After clamping, for blank downwards completely into lower support element and by after fixation, the lower pneumatic spring stops deformation, the tapping bearing
The relative displacement that position stops vertical direction with lower template also is moved into, at this time, the upper pneumatic spring continues to deform, that is, institute
State cope plate and continue displacement, first nitrogen gas spring also continues to deform, and promotes the driving screw rod to move downward, the active
The linear motion of screw rod drives the rotation of the second drive, and successively via the second idler gear, the first level transmission gear,
First level bevel gear, the first vertical bevel gear, the second vertical gear drive the first vertical gear rotation, so as to change again
The horizontal rotation feed motion of 11 position of horizontal threaded bore is corresponded on blank for the second tapping screw tap, so as to complete to water
The tapping in flat thread hole.
During the cope plate is run up, the inverse operation of the above process, is finally completed screw thread process operation.
A kind of progressive die Screw thread process method provided by the present invention in the punching course of progressive die, it can be achieved that complete spiral shell
Line is processed, so that beneficial to the manless production for realizing high-precision motor rotor installation housing, is greatly reduced to pressman
And the demand of stamping equipment.Production efficiency greatly improves, remarkable in economical benefits.At the same time because eliminate manual operation etc. it is unstable because
Element influences, and improves product manufacturing precision and quality stability.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 is a kind of principle schematic diagram of motor mounting shell；
Fig. 2 is the A-A revolved section principle schematic diagrams of Fig. 1；
Fig. 3 is the B of Fig. 1 to visual angle schematic diagram；
Fig. 4 is the existing manufacturing process principle schematic of the motor mounting shell shown in Fig. 1；
Fig. 5 is the sectional structure principle according to a kind of progressive die Screw thread process method of the specific embodiment of the present invention
Schematic diagram.
Embodiment
In order to which the technical features, objects and effects of the present invention are more clearly understood, now control illustrates this hair
Bright embodiment.Wherein, identical component uses identical label.
Fig. 1 is a kind of principle schematic diagram of motor mounting shell；The A-A revolved section structural principles that Fig. 2 is Fig. 1 show
It is intended to；Fig. 3 is the B of Fig. 1 to visual angle schematic diagram；Fig. 5 is a kind of progressive die screw thread according to the specific embodiment of the present invention
The sectional structure principle schematic of processing method.In order to better illustrate the operation principle of tapping device provided by the present invention,
Control at the same time shows the water of four state of the tapping device used in the method for the present invention from die sinking to mold closing process in Fig. 5
Flat partial cross principle schematic diagram and vertical component sectional structure principle schematic, referring to shown in Fig. 1-3,5, the present invention carries
A kind of progressive die Screw thread process method is supplied, it is used in progressive die carry out screw thread process, the electricity to motor mounting shell 1
Motivation mounting shell 1 is the tubular construction of bottom opening, and side wall is provided with a horizontal threaded bore 11, and shirt rim 100 is provided with multiple
Through hole 12 and step threaded hole 13, and 100 outer of shirt rim is provided with multiple notches, top surface is provided with mounting hole 14, kidney slot 15
And concave part 16, top surface are provided centrally with stepped hole 17, described method includes following steps
Step A, in progressive die provide a tapping device 5, the tapping device 5 it include mould and tapping under tapping
Mold, what the tapping mold included being used for blank compress positioning passes through upper gas with the cope plate 201 of progressive die
The upper compressing member 51 of spring 21 of moving connection, the driving screw rod 52 being fixedly connected with cope plate 201, the first nitrogen gas spring 54 and extremely
Few first pressure roller 310 ', mould includes being used for the lower template 202 with progressive die for positioning blank under the tapping
The lower support element 53 being fixedly connected is being connected by lower pneumatic spring 22 with lower template 202 and can be slided with the lower support element 53
The retainer plate 300 ' of dynamic connection, the side tapping base 511 being fixedly connected with lower template 202, passes through Rectangular Spring with lower template 202
23 connections and with the tapping bearing 512 of 511 slidable connection of side tapping base, the bottom of retainer plate 300 ', which is fixed, to be connected
At least one first drive screw 301 is connected to, the lower template 202 is provided with set corresponding with first drive screw 301
The first travelling gear 501 of screwed hole of centre is equipped with, for processing the first tapping screw tap 503 of the step threaded hole 13, institute
The first tapping screw tap 503 is stated to be connected with first travelling gear 501 by the first driven wheel 502；The tapping bearing 512 is set
Horizontally movable second tapping screw tap 513 is equipped with, the second tapping screw tap 513 is socketed in a first vertical gear 514
Interior, the first vertical gear 514 is engaged with a second vertical gear 515, and the second vertical gear 515 is same by one
First vertical bevel gear 516 of axis and a first level transmission gear 518 for being provided with coaxial first level bevel gear 517
Connection, the first vertical bevel gear 516 engage with first level bevel gear 517, and the first level transmission gear 518 passes through one
Second idler gear 519 is engaged with second drive 521, and second drive 521 is provided centrally with and the active
52 corresponding threaded hole of screw rod.
Step B, when material strip is sent to the tapping device 5 of step A offers in progressive die, its tapping process is, when upper
Template 201 punching machine effect under downwards operation when, upper compressing member 51 is contacted with blank top surface (i.e. material strip top surface), oppress blank to
Lower operation, that is to say by first pressure roller 310 ' while oppresses retainer plate 300 and run downwards, while the first nitrogen gas spring 54
Oppress the tapping bearing 512 to run downwards, in downward operational process, the driving screw rod 52 will not promote described second to pass
Driving wheel 521 rotates.
After blank is inserted in lower support element 53, the retainer plate 300 is in downward operational process, the first drive screw
301 to bottom offset can by the screwed hole of centre of the first travelling gear 501 drive the first travelling gear 501 rotate so that through
The first tapping screw tap 503 is driven to rotate by the first driven wheel 502, blank continues to move downwards after contacting with the first tapping screw tap 503
Move, that is, 503 opposite blank of the first tapping screw tap does upward movement, so that the tapping of step threaded hole 13 is completed,
In this embodiment, the shirt rim 100 of motor mounting shell 1 is along the circumferential direction evenly arranged with four step spiral shells
Pit 13, therefore, the bottom of retainer plate 300 ' are fixedly connected with two the first drive screws 301, and the lower template 202 is set
There are two the first travelling gears 501, each first travelling gear 501 is engaged with two the first driven wheels 502, that is, each
One travelling gear 501 drives two the first tapping screw taps 503.
When the upper compressing member 51 is moved into place, it that is to say that the upper compressing member 51 and the lower support element 53 are complete to blank
Into after stable holding, downwards completely into lower support element 53 and by after fixation, the lower pneumatic spring 22 stops blank (i.e. material strip)
Only deform, the tapping bearing 512 also is moved into the relative displacement that position and lower template 202 stop vertical direction, at this time, it is described on
Pneumatic spring 21 continues to deform, that is, the cope plate 201 continues displacement, and first nitrogen gas spring 54 also continues to deform,
The driving screw rod 52 is promoted to move downward, the linear motion of the driving screw rod 52 drives the second drive 521 to rotate, and according to
It is secondary to erect straight-conical teeth via the second idler gear 519, the first level transmission gear 518, first level bevel gear 517, first
Wheel 516, the second vertical gear 515 drive the first vertical gear 514 to rotate, so as to be converted to the second tapping screw tap again
513 correspond to the horizontal rotation feed motion of 11 position of horizontal threaded bore on blank, so as to complete attacking to horizontal threaded bore 11
Tooth.
During the cope plate 201 is run up, the inverse operation of the above process, is finally completed screw thread process operation.
The upper pneumatic spring can be that quantity is 3, its load can be 400 Ns, and the lower pneumatic spring 22 can be with
It is that quantity is 4, its load can be 1700 Ns, and first nitrogen gas spring 54 can be that quantity is 2, its load can be
3200 Ns, the Rectangular Spring 23 can be that quantity is 2, its load is 400 Ns.
A kind of progressive die Screw thread process method provided by the present invention in the punching course of progressive die, it can be achieved that complete spiral shell
Line is processed, so that beneficial to the manless production for realizing high-precision motor rotor installation housing, is greatly reduced to pressman
And the demand of stamping equipment.Production efficiency greatly improves, remarkable in economical benefits.At the same time because eliminate manual operation etc. it is unstable because
Element influences, and improves product manufacturing precision and quality stability.
It will be appreciated by those skilled in the art that although the present invention is described in the way of multiple embodiments,
It is that not each embodiment only includes an independent technical solution.So narration is used for the purpose of for the sake of understanding in specification,
The skilled in the art should refer to the specification as a whole is understood, and by technical solution involved in each embodiment
The modes of different embodiments can be mutually combined into understand protection scope of the present invention by regarding as.
The foregoing is merely the schematical embodiment of the present invention, the scope of the present invention is not limited to.It is any
Those skilled in the art, equivalent variations, modification and the combination made on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention should all be belonged to.
Claims (1)
1. a kind of progressive die Screw thread process method, it is characterised in that it is used in progressive die carry out spiral shell to motor mounting shell 1
Line is processed, and the motor mounting shell is the tubular construction of bottom opening, and side wall is provided with a horizontal threaded bore, and shirt rim is set
There are multiple through hole and step threaded holes, and shirt rim outer is provided with multiple notches, top surface is provided with mounting hole, kidney slot and recessed
Concave portion, top surface are provided centrally with stepped hole, and described method includes following steps
Step A, in progressive die provide a tapping device, the tapping device 5 it include mould and tapping upper mold under tapping
Tool, the tapping mold include being used for blank is carried out to compress with the cope plate of progressive die by upper pneumatic spring connecting for positioning
The upper compressing member connect, the driving screw rod being fixedly connected with cope plate, the first nitrogen gas spring and at least one first pressure roller are described
Mould includes being used for the lower support element being fixedly connected with the lower template of progressive die for positioning blank under tapping, with lower template
Being connected by lower pneumatic spring and with the retainer plate of the lower support element slidable connection, the side being fixedly connected with lower template is attacked
Silk base, it is being connected with lower template by Rectangular Spring and with the tapping bearing of the side tapping base slidable connection, it is described
Retainer plate bottom is fixedly connected with least one first drive screw, and the lower template is provided with and first drive screw pair
That answers is provided with the first travelling gear of screwed hole of centre, described for processing the first tapping screw tap of the step threaded hole
First tapping screw tap is connected by the first driven wheel with first travelling gear；The tapping bearing is provided with horizontally moveable
The second tapping screw tap, the second tapping screw tap is socketed in a first vertical gear, the first vertical gear and one
A second vertical gear engagement, the second vertical gear are provided with same by a first coaxial vertical bevel gear with one
The first level transmission gear connection of the first level bevel gear of axis, the first vertical bevel gear engage with first level bevel gear,
The first level transmission gear is engaged by second idler gear with second drive, in second drive
The heart is provided with threaded hole corresponding with the driving screw rod.
Step B, when material strip is sent to the tapping device of step A offers in progressive die, its tapping process is, when cope plate exists
During the lower operation downwards of punching machine effect, upper compressing member is contacted with blank top surface, is oppressed blank and is run downwards, that is to say by described the
One pressure roller is oppressed retainer plate and is run downwards at the same time, while the first nitrogen gas spring is oppressed the tapping bearing and run downwards, downward
In operational process, the driving screw rod will not promote second drive to rotate.
After blank is inserted in the lower support element, the retainer plate in downward operational process, the first drive screw to bottom
Moving can drive the first travelling gear to rotate by the screwed hole of centre of the first travelling gear, so as to drive the via the first driven wheel
One tapping screw tap rotates, and blank continues to move down after contacting with the first tapping screw tap, that is, the first tapping screw tap is with respect to base
Part does upward movement, so that the tapping of step threaded hole is completed,
When the upper compressing member is moved into place, it that is to say that the upper compressing member completes stable holding with the lower support element to blank
Afterwards, blank is downwards completely into lower support element and by after fixation, and the lower pneumatic spring stops deformation, and the tapping bearing also moves
The dynamic relative displacement for stopping vertical direction with lower template in place, at this time, the upper pneumatic spring continues to deform, that is, it is described on
Template continues displacement, and first nitrogen gas spring also continues to deform, and promotes the driving screw rod to move downward, the driving screw rod
Linear motion drive the rotation of the second drive, and successively via the second idler gear, the first level transmission gear, first
Horizontal bevel gear, the first vertical bevel gear, the second vertical gear drive the first vertical gear rotation, so as to be converted to institute again
State the second tapping screw tap and the horizontal rotation feed motion of 11 position of horizontal threaded bore is corresponded on blank, so as to complete to horizontal spiral shell
The tapping of pit.
During the cope plate is run up, the inverse operation of the above process, is finally completed screw thread process operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369976.6A CN107984039B (en) | 2017-12-19 | 2017-12-19 | A kind of progressive die Screw thread process method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369976.6A CN107984039B (en) | 2017-12-19 | 2017-12-19 | A kind of progressive die Screw thread process method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107984039A true CN107984039A (en) | 2018-05-04 |
| CN107984039B CN107984039B (en) | 2019-05-24 |
Family
ID=62038703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711369976.6A Active CN107984039B (en) | 2017-12-19 | 2017-12-19 | A kind of progressive die Screw thread process method |
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| Country | Link |
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| CN (1) | CN107984039B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834050A (en) * | 2018-12-31 | 2020-02-25 | 苏州市亿特隆科技有限公司 | Rapid stamping process of base |
| CN114618936A (en) * | 2020-12-14 | 2022-06-14 | 湖北美的电冰箱有限公司 | Continuous die and punch press |
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| CN203664505U (en) * | 2013-12-31 | 2014-06-25 | 慈溪市龙山汽配有限公司 | Motor outer shell progressive die |
| CN203725610U (en) * | 2014-01-13 | 2014-07-23 | 四川秦渝机电有限公司 | Progressive die for punching motor brush box left shell |
| CN203900256U (en) * | 2014-06-18 | 2014-10-29 | 苏州旭创精密模具有限公司 | Continuous mold for fasteners |
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| DE102015008049A1 (en) * | 2015-06-19 | 2016-12-22 | Wvl-Werkzeug- Und Vorrichtungsbau Lichtenstein Gmbh | Thread forming device on a punching and forming tool |
| CN206105382U (en) * | 2016-08-30 | 2017-04-19 | 亿和精密工业（苏州）有限公司 | Attack tooth mould in mould |
| CN206662054U (en) * | 2017-03-31 | 2017-11-24 | 苏州市桑林汽车配件有限公司 | Progressive die for stamping parts of automobile |
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| CN203664505U (en) * | 2013-12-31 | 2014-06-25 | 慈溪市龙山汽配有限公司 | Motor outer shell progressive die |
| CN203725610U (en) * | 2014-01-13 | 2014-07-23 | 四川秦渝机电有限公司 | Progressive die for punching motor brush box left shell |
| CN203900256U (en) * | 2014-06-18 | 2014-10-29 | 苏州旭创精密模具有限公司 | Continuous mold for fasteners |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110834050A (en) * | 2018-12-31 | 2020-02-25 | 苏州市亿特隆科技有限公司 | Rapid stamping process of base |
| CN114618936A (en) * | 2020-12-14 | 2022-06-14 | 湖北美的电冰箱有限公司 | Continuous die and punch press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107984039B (en) | 2019-05-24 |
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