CN108097797B - A kind of motor mounting shell preparation method - Google Patents
A kind of motor mounting shell preparation method Download PDFInfo
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- CN108097797B CN108097797B CN201711369973.2A CN201711369973A CN108097797B CN 108097797 B CN108097797 B CN 108097797B CN 201711369973 A CN201711369973 A CN 201711369973A CN 108097797 B CN108097797 B CN 108097797B
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- tapping
- blank
- side opening
- cope plate
- gear
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Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Abstract
A kind of preparation method of motor mounting shell, include the following steps: step A, one progressive die is provided, the progressive die includes 13 stations, successively are as follows: rush technical gaps → pressing → first drawing → reverse drawing → second drawing → thick whole → finishing → punching → hole flanging → and rush side opening → tapping → blanking → waste material excision, material strip is transmitted by step B on the progressive die provided by step A, when material strip be sent to it is described rush side opening station when, completion rush side opening operation.Step C completes the tapping to horizontal threaded bore when material strip is sent to tapping station.Step D, when material strip is sent to blanking station, finished product motor mounting shell is fallen, and completes preparation.The preparation method of motor mounting shell provided by the present invention a kind of, it can be achieved that high-precision motor rotor installation shell manless production, greatly reduce the demand to pressman and stamping equipment.
Description
Technical field
The present invention relates to machinery manufacturing technology field, in particular to a kind of preparation method of motor mounting shell.
Background technique
Motor mounting shell is usually 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 diagram of Fig. 1；Fig. 3 is the B of Fig. 1 to visual angle schematic diagram；Ginseng
As shown in figure 1 to 3, the 1 type face of motor mounting shell is more complex, is the tubular construction of bottom opening, and side wall is provided with a water
Flat thread hole 11, skirt 100 is provided with multiple through-holes 12 and step threaded hole 13, and 100 outer of skirt is provided with multiple notches,
Top surface is provided with mounting hole 14, kidney slot 15 and recessed portion 16, and top surface is provided centrally with stepped hole 17.
The existing manufacturing method of above-mentioned motor mounting shell is the forming of single mold Multi-step forming, and Fig. 4 is shown in FIG. 1 electronic
The existing manufacturing process schematic illustration of machine mounting shell shows the base that each work step is completed in existing manufacturing process in Fig. 4
The revolved section structural schematic diagram of the overlooking structure diagram of part and the corresponding position A-A as shown in Figs. 1-2, referring to fig. 4 institute
Show, existing manufacturing process is divided into 12 work steps, successively are as follows: 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 mold purposes of each work step according to
It is secondary to be described as follows:
Blanking die: prepare round slab.
First cupping tool: formed cylinder body main structure.
Reverse redrawing mold, the second cupping tool, thick reshaping die, finishing mold: molding top surface type face forms the recess
It portion 16 and prepares for the stepped hole 17.
Shaving die: the notch of molding skirt 100.
Punching die: forming through hole 12, mounting hole 14, kidney slot 15, stepped hole 17.
Hole flanging mold: the step base hole of molding step threaded hole 13.
Side opening punching die tool: the base hole of constitutive levels threaded hole 11.
Bottom surface tapping mold: molding step threaded hole 13.
Side tapping mold: constitutive levels threaded hole 11.
Existing manufacturing method needs more operator, and labor productivity is low, in addition to 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 mold and carries out tapping with threading apparatus again.Other work steps are all made of impact style processing, in product punching course
In be affected by human factors larger (manual feeding), it is difficult to guarantee motor stator rotor installation shell finished size qualification rate.
Progressive die is multitask progressive die, may include punching in a secondary mold, 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 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 mold
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, especially the bottom surface tapping of processing screw thread and side tapping the two work steps are integrated into
Progressive die, with regard to becoming letter problem to be solved.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation methods of motor mounting shell, before being reduced or avoided
The problem of face is previously mentioned.
In order to solve the above technical problems, the invention proposes a kind of preparation method of motor mounting shell, the motor
Mounting shell is the tubular construction of bottom opening, and side wall is provided with a horizontal threaded bore, and skirt is provided with multiple through-holes and step
Threaded hole, and skirt outer is provided with multiple notches, top surface is provided with mounting hole, kidney slot and recessed portion, the center of top surface
It is provided with stepped hole, described method includes following steps:
Step A provides a progressive die, and the progressive die includes 13 stations, successively are as follows: rush technical gaps → pressing
→ the first drawing → reverse drawing → the second drawing → side opening → tapping → blanking is rushed in thick whole → finishing → punching → hole flanging → → is given up
Material excision, the progressive die are provided with cope plate and lower template, the cope plate be provided with connect with each station upper mold it is upper
Pneumatic spring, the lower template be provided with removing rush technical gaps, pressing, blanking, waste material cut off four stations outside remaining nine
The lower pneumatic spring of the lower mold connection of a station.It is described rush side opening station and be provided with rush side opening device, the tapping station is set
It is equipped with tapping device, the side opening device that rushes includes rushing mold under side opening and rushing side opening upper mold, described to rush mold packet under side opening
The lower locating piece being fixedly connected with lower template for being positioned to blank is included, is connect with lower template by lower pneumatic spring
And the retainer plate with the lower locating piece slidable connection, the side punching pedestal being fixedly connected with lower template pass through with lower template
Sliding block pedestal that Rectangular Spring connects and with the side punching pedestal slidable connection, in the horizontal direction with the sliding block pedestal
The formed punch of upper slidable connection, the side opening upper mold that rushes includes for carrying out compressing passing through with cope plate for positioning to blank
The upper locating piece of pneumatic spring connection, and the wedge for being used to that the formed punch to be pushed to generate horizontal displacement being fixedly connected with cope plate
Shape column.The tapping device includes mold and tapping upper mold under tapping, and the tapping upper mold includes for carrying out to blank
Compress the upper compressing member of positioning connecting with cope plate by upper pneumatic spring, the driving screw rod being fixedly connected with cope plate, the
One nitrogen gas spring and at least one first pressure roller, mold includes for positioned to blank and lower template under the tapping
The lower support element being fixedly connected, support being connect with lower template by lower pneumatic spring and with the lower support element slidable connection
Flitch, the side tapping pedestal being fixedly connected with lower template, it is being connect with lower template by Rectangular Spring and with side tapping bottom
The tapping support of seat slidable connection, the retainer plate bottom is fixedly connected at least one first drive screw, the lower die
Plate is provided with the first transmission gear for being provided with screwed hole of centre corresponding with first drive screw, for processing described
First tapping screw tap of rank threaded hole, the first tapping screw tap are connect by the first driven wheel with first transmission gear；
The tapping support is provided with horizontally movable second tapping screw tap, and the second tapping screw tap is socketed in one first vertically
In gear, the first vertical gear is engaged with a second vertical gear, and the second vertical gear is coaxial by one
The first level transmission gear that first vertical bevel gear is provided with coaxial first level bevel gear with one is connect, and first is vertical
Bevel gear engages with first level bevel gear, and the first level transmission gear passes through second intermediate gear and one second
Driving wheel engagement, second driving wheel are provided centrally with threaded hole corresponding with the driving screw rod.
Material strip is transmitted by step B on the progressive die provided by step A, described rushes side opening work when material strip is sent to
When position, the course of work is, when cope plate is run down, upper locating piece is contacted with blank top surface, and compressing blank is run down,
It is while oppresses retainer plate and run down, while Tapered Column compressing sliding block pedestal is run down, the power of the Rectangular Spring is set
It is set to big unlike the power of the lower pneumatic spring and the upper pneumatic spring, during running down, the Tapered Column will not
The formed punch is pushed to be punched out blank.When the upper locating piece is mobile in place, that is to say the upper locating piece and it is described under
After locating piece completes stable holding to blank, the lower pneumatic spring stops deformation, and the sliding block pedestal also is moved into position, with institute
It states side punching pedestal and stops relative displacement, at this point, the upper pneumatic spring continues to deform, that is, the cope plate continues position
It moves, pushes the Tapered Column to move downward, so that formed punch described in Level Promoting goes out side opening on blank.Both achievable punching in this way
Side opening operation.
During the cope plate is run up, the sliding block pedestal and the formed punch can be same with material strip in die sinking
Step is floated upwards.
Step C, when material strip is sent to tapping station, the course of work is, when cope plate is run down, upper compressing member with
The contact of blank top surface, compressing blank run down, that is to say to pass through first pressure roller while oppressing retainer plate and run down, together
When the first nitrogen gas spring oppress the tapping support and run down, during running down, the driving screw rod not will push
The second driving wheel rotation.
After blank is inserted in the lower support element, the retainer plate during running down, the first drive screw to
Bottom offset can drive the rotation of the first transmission gear by the screwed hole of centre of the first transmission gear, thus 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
Blank is moved upwards, so that the tapping of step threaded hole is completed,
When the upper compressing member is mobile in place, it that is to say that the upper compressing member and the lower support element are completed to stablize to blank
After clamping, for blank downwards completely into lower support element and after being fixed, the lower pneumatic spring stops deformation, the tapping support
It also is moved into position and lower template stops the relative displacement of vertical direction, at this point, the upper pneumatic spring continues to deform, that is, institute
It states cope plate to continue to be displaced, first nitrogen gas spring also continues to deform, and pushes the driving screw rod to move downward, the active
The linear motion of screw rod drives the rotation of the second driving wheel, and successively via the second intermediate 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, to convert again
The horizontal rotation feed motion of horizontal screw thread hole site is corresponded on blank for the second tapping screw tap, to complete to level
The tapping of threaded hole.
During the cope plate is run up, the inverse operation of the above process is finally completed tapping operation.
Step D, when material strip is sent to blanking station, finished product motor mounting shell is fallen, and completes preparation.
Preferably, in stepb, can to oppress retainer plate by least one pressure roller being fixedly connected with cope plate downward
Operation.
A kind of preparation method of motor mounting shell provided by the present invention is, it can be achieved that high-precision motor rotor is installed
The manless production of shell greatly reduces the demand to pressman and stamping equipment.Production efficiency greatly improves, economic benefit
Significantly.It is influenced simultaneously because eliminating the unstable factors such as manual operation, improves product manufacturing precision and quality stability.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain 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 diagram of Fig. 1；
Fig. 3 is the B of Fig. 1 to visual angle schematic diagram；
Fig. 4 is the existing manufacturing process schematic illustration of the motor mounting shell of Fig. 1；
Fig. 5 is a kind of production technology of the preparation method of motor mounting shell of a specific embodiment according to the present invention
Schematic illustration；
Fig. 6 is the principle schematic diagram of the equipment of the production technology for Fig. 5；
Fig. 7 is the working principle structural schematic diagram of the bolster of the equipment of Fig. 6；
Fig. 8 is the operation principle schematic diagram for rushing side opening device of Fig. 6；
Fig. 9 is the operation principle schematic diagram of the tapping device of Fig. 6.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.Wherein, identical component uses identical label.
Fig. 1 is a kind of principle schematic diagram of motor mounting shell；Fig. 2 is that the A-A revolved section structural principle of Fig. 1 shows
It is intended to；Fig. 3 is the B of Fig. 1 to visual angle schematic diagram；Fig. 4 is the existing manufacturing process schematic illustration of the motor mounting shell of Fig. 1；
Fig. 5 is a kind of production technology principle signal of the preparation method of motor mounting shell of a specific embodiment according to the present invention
Figure；Fig. 6 is the principle schematic diagram of the equipment of the production technology for Fig. 5；Fig. 7 is the work of the bolster of the equipment of Fig. 6
Make theory structure schematic diagram；Fig. 8 is the operation principle schematic diagram for rushing side opening device of Fig. 6；Fig. 9 is the work of the tapping device of Fig. 6
Make schematic illustration.Bowing for the blank that each work step is completed in the production technology of equipment of the invention is wherein shown in Fig. 5
Depending on the revolved section structural schematic diagram of structural schematic diagram and the corresponding position A-A as shown in Figs. 1-2, this hair is shown in Fig. 6
The schematic view of the front view and overlooking structure diagram of the equipment of bright use, Fig. 7 is principle signal, therefore has only won one
The working principle of station does exemplary expression, and the partial cross for rushing side opening device under die closing and die opening state is shown in Fig. 8
Principle schematic diagram, Fig. 9 show the structure of part vertical cross section of the tapping device from die sinking to four states of die closing process
The structural schematic diagram of schematic diagram and part of horizontal section view；Referring to shown in Fig. 1-9, the present invention provides a kind of motor mounting shells
Preparation method, the motor mounting shell 1 are the tubular construction of bottom opening, and side wall is provided with a horizontal threaded bore 11, skirt
Side 100 is provided with multiple through-holes 12 and step threaded hole 13, and 100 outer of skirt is provided with multiple notches, and top surface is provided with peace
Dress hole 14, kidney slot 15 and recessed portion 16, top surface are provided centrally with stepped hole 17, and described method includes following steps:
Step A provides a progressive die, and the progressive die includes 13 stations, successively are as follows: rush technical gaps → pressing
→ the first drawing → reverse drawing → the second drawing → side opening → tapping → blanking is rushed in thick whole → finishing → punching → hole flanging → → is given up
Material excision, the progressive die are provided with cope plate 201 and lower template 202, and the cope plate 201 is provided with and each station upper mold
The upper pneumatic spring 21 of connection, the lower template 202, which is provided with, rushes technical gaps, pressing, blanking, waste material excision four with removing
The lower pneumatic spring 22 of the lower mold connection of remaining outer nine station of station.It is described rush side opening station and be provided with rush side opening device 4,
The tapping station is provided with tapping device 5, and the side opening device 4 that rushes includes rushing mold under side opening and rushing side opening upper mold, institute
Stating and rushing mold under side opening includes the lower locating piece 41 being fixedly connected with lower template 202 for being positioned to blank, with lower die
Retainer plate 300 that plate 202 is connected by lower pneumatic spring 22 and with lower 41 slidable connection of locating piece, with lower template
The 202 side punching pedestals 42 being fixedly connected, with lower template 202 by Rectangular Spring 23 connect and with the side punching pedestal 42
The sliding block pedestal 43 of slidable connection, the formed punch 44 with the sliding block pedestal 43 slidable connection in the horizontal direction, the punching
Side opening upper mold includes the upper positioning being connect with cope plate 201 by upper pneumatic spring 21 for compress to blank positioning
Part 45, and the Tapered Column 46 for being used to that the formed punch 44 to be pushed to generate horizontal displacement being fixedly connected with cope plate 201.It is described to attack
Tooth device 5 includes mold and tapping upper mold under tapping, and the tapping upper mold includes for carrying out compressing positioning to blank
The upper compressing member 51 being connect with cope plate 201 by upper pneumatic spring 21, the driving screw rod 52 being fixedly connected with cope plate 201,
First nitrogen gas spring 54 and at least one first pressure roller 310 ', mold includes for being positioned to blank under the tapping
The lower support element 53 being fixedly connected with lower template 202, it is being connect with lower template 202 by lower pneumatic spring 22 and with the lower branch
The retainer plate 300 ' of 53 slidable connection of support member, the side tapping pedestal 511 being fixedly connected with lower template 202 are logical with lower template 202
Cross tapping support 512 connection of Rectangular Spring 23 and with 511 slidable connection of side tapping pedestal, the retainer plate 300 '
Bottom is fixedly connected at least one first drive screw 301, and the lower template 202 is provided with and first drive screw
301 corresponding the first transmission gears 501 for being provided with screwed hole of centre, for processing the first tapping of the step threaded hole 13
Screw tap 503, the first tapping screw tap 503 are connect by the first driven wheel 502 with first transmission gear 501；It is described to attack
Silk support 512 is provided with horizontally movable second tapping screw tap 513, and the second tapping screw tap 513 is socketed in one first
In vertical gear 514, the first vertical gear 514 is engaged with a second vertical gear 515, the second vertical gear
515 are provided with the first water of coaxial first level bevel gear 517 by a first coaxial vertical bevel gear 516 with one
Flat transmission gear 518 connects, and the first vertical bevel gear 516 engages with first level bevel gear 517, and the first level transmits tooth
Wheel 518 is engaged by second intermediate gear 519 with second driving wheel 521,521 center of the second driving wheel setting
There is threaded hole corresponding with the driving screw rod 52.
The present invention is directed to the prior art of single mold Multi-step forming forming, is improved using progressive die mode, uses
Material strip carries out automation feed, and in station of the invention, the first drawing, the second drawing, thick whole, finishing, punching, is turned over reverse drawing
Prepared by Kong Junke single mold according to used by each corresponding work step in the prior art, that is to say, that can be by corresponding work step
Upper die and lower die in the present invention, which are respectively set, in mold to realize that corresponding blank type face forms in the station.Because these at
Type technique is mature technology, and principle can be found in the existing texts such as Chinese patent 201720515893.2,201720335133.3
The record offered, details are not described herein.
Fig. 7 is the working principle structural schematic diagram of the bolster of the equipment of Fig. 6；It is shown in Figure 7, it is provided by the present invention
Equipment provide power using single action stamping equipment principle, that is to say, that the punching press power of equipment of the invention is by upper mold
The downward vertical stroke of plate 201 provides, on the continuous cope plate 201 of whole equipment, the upper mold of corresponding each station
Be connected with pneumatic spring 21, and according to process requirement, upper mold for example for the component of punching can also further with upper mold
Be provided with Rectangular Spring 23 between plate 201, in this way can flexible modulation upper mold displacement, in the continuous lower template of whole equipment
On 202, it is corresponding remove rush technical gaps, pressing, blanking, waste material cut off remaining outer nine station of four stations lower mold support
Flitch 300 is connected with lower pneumatic spring 22, and in order to which the punch-pin of lower mold does not influence the transmission of material strip 3, present invention innovation is used
The double floating structures of upper and lower mould, realization carry out floating stretch forming process on single action stamping equipment, select nitrogen gas spring as bullet
Property element, ensure that each work step of mold while compressing material strip 3, while punching shaping and discharging, it is ensured that material strip 3 smooth and carry
The smooth feeding of body provides
Certainly, the Rectangular Spring 23 may also be arranged between lower template 202 and lower mold, the mesh of the Rectangular Spring 23
Be to be able to the members in mold are provided with the control of individual stroke, and its quantity can be with more than one.
Material strip 3 is transmitted by step B on the progressive die provided by step A, described rushes side opening when material strip 3 is sent to
When station, the course of work is, when cope plate 201 is run down, upper locating piece 45 is contacted with blank top surface (i.e. material strip top surface),
Compressing blank is run down, and that is to say while oppressing that retainer plate 300 runs down (can be by being fixedly connected with cope plate 201
At least one pressure roller 310 runs down to oppress retainer plate 300), while Tapered Column 46 is oppressed sliding block pedestal 43 and is run down, institute
The power for stating Rectangular Spring 23 can be set to big unlike the power of the lower pneumatic spring 22 and the upper pneumatic spring 21, exist in this way
During running down, the Tapered Column 46 not will push the formed punch 44 and be punched out to blank.For example, the Rectangular Spring
23 can be 400N, and the upper pneumatic spring 21 is also possible to 400N, and the lower pneumatic spring 22 can be 1700N,
When the upper locating piece 45 is mobile in place, it that is to say that the upper locating piece 45 and the lower locating piece 41 are complete to blank
After stable holding, the lower pneumatic spring 22 stops deformation, and the sliding block pedestal 43 also is moved into position, with the side punching bottom
Seat 42 stops relative displacement, at this point, the upper pneumatic spring 21 continues to deform, that is, the cope plate 201 continues to be displaced, and pushes away
It moves the Tapered Column 46 to move downward, so that formed punch 44 described in Level Promoting goes out side opening on blank.As shown, under described
Locating piece 41 in the position of 44 horizontal displacement of formed punch there are vacancy (as shown in shrinkage pool in figure), it is both achievable in this way to rush side opening
Operation.
During the cope plate 201 is run up, the sliding block pedestal 43 and the formed punch 44 can be in die sinkings
Upward floating synchronous with material strip 3, so that solving formed punch does not have enough retraction strokes to avoid out the whole production floated upwards
The problem of product material strip.
Step C, when material strip 3 is sent to tapping station, the course of work is, when cope plate 201 is run down, upper compression
Part 51 is contacted with blank top surface (i.e. material strip top surface), and compressing blank is run down, and that is to say same by first pressure roller 310 '
When compressing retainer plate 300 run down, while the first nitrogen gas spring 54 is oppressed the tapping support 512 and is run down, downward
In operational process, the driving screw rod 52 not will push second driving wheel 521 and rotate.
After blank is inserted in lower support element 53, the retainer plate 300 is during running down, the first drive screw
301 to bottom offset can by the screwed hole of centre of the first transmission gear 501 drive the first transmission gear 501 rotation, thus 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
It moves, that is, the opposite blank of the first tapping screw tap 503 moves upwards, so that the tapping of step threaded hole 13 is completed,
It is 3 that the upper pneumatic spring, which can be quantity, and load can be 400 Ns, and the lower pneumatic spring 22 can be with
It is quantity is 4, load can be 1700 Ns, and it is 2 that first nitrogen gas spring 54, which can be quantity, and load can be
3200 Ns, it is 2 that the Rectangular Spring 23, which can be quantity, and load is 400 Ns.
When the upper compressing member 51 is mobile in place, it that is to say that the upper compressing member 51 and the lower support element 53 are complete to blank
After stable holding, downwards completely into lower support element 53 and after being fixed, the lower pneumatic spring 22 stops blank (i.e. material strip)
It only deforms, the tapping support 512 also is moved into position and lower template 202 stops the relative displacement of vertical direction, at this point, on described
Pneumatic spring 21 continues to deform, that is, the cope plate 201 continues to be displaced, and first nitrogen gas spring 54 also continues to deform,
The driving screw rod 52 is pushed to move downward, the linear motion of the driving screw rod 52 drives the second driving wheel 521 to rotate, and according to
It is secondary via the second intermediate gear 519, the first level transmission gear 518, first level bevel gear 517, the first perpendicular straight-conical teeth
Wheel 516, the second vertical gear 515 drive the first vertical gear 514 to rotate, 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, 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 tapping operation.
It is 3 that the upper pneumatic spring, which can be quantity, and load can be 400 Ns, and the lower pneumatic spring 22 can be with
It is quantity is 4, load can be 1700 Ns, and it is 2 that first nitrogen gas spring 54, which can be quantity, and load can be
3200 Ns, it is 2 that the Rectangular Spring 23, which can be quantity, and load is 400 Ns.
Since progressive die is in the nature punch process, and tapping forms screw thread and needs cutter rotation process, therefore, existing
In progressive die product, tapping operation cannot be provided, the present invention provides a tapping in order to solve this problem, in tapping station
Device 5 is completed at the same time the molding of the tapping to the horizontal threaded bore 11 and the step threaded hole 13 in a punching stroke.
Step D, when material strip 3 is sent to blanking station, finished product motor mounting shell 1 is fallen, and completes preparation.
A kind of preparation method of motor mounting shell provided by the present invention is, it can be achieved that high-precision motor rotor is installed
The manless production of shell greatly reduces the demand to pressman and stamping equipment.Production efficiency greatly improves, economic benefit
Significantly.It is influenced simultaneously because eliminating the unstable factors such as manual operation, 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 contains 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
Regard as and can be combined with each other into the modes of different embodiments to understand protection scope of the present invention.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent variations, modification and combination under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (2)
1. a kind of preparation method of motor mounting shell, which is characterized in that the motor mounting shell is the tubular of bottom opening
Structure, side wall are provided with a horizontal threaded bore, and skirt is provided with multiple through-holes and step threaded hole, and skirt outer is provided with
Multiple notches, top surface are provided with mounting hole, kidney slot and recessed portion, and top surface is provided centrally with stepped hole, the method packet
Include following steps:
Step A provides a progressive die, and the progressive die includes 13 stations, successively are as follows: rush technical gaps → pressing → the
One drawing → reverse drawing → the second drawing → thick whole → finishing → punching → hole flanging → is rushed side opening → tapping → blanking → waste material and is cut
Remove, the progressive die is provided with cope plate and lower template, the cope plate be provided with connect with each station upper mold it is upper pneumatic
Spring, the lower template be provided with removing rush technical gaps, pressing, blanking, waste material cut off four stations outside remaining nine work
The lower pneumatic spring of the lower mold connection of position, it is described rush side opening station and be provided with rush side opening device, the tapping station is provided with
Tapping device, the side opening device that rushes includes rushing under side opening mold and rushing side opening upper mold, and described to rush mold under side opening include using
In the lower locating piece being fixedly connected with lower template positioned to blank, it is being connect with lower template by lower pneumatic spring and with
The retainer plate of the lower locating piece slidable connection, the side punching pedestal being fixedly connected with lower template pass through rectangle with lower template
Sliding block pedestal that spring connects and with the side punching pedestal slidable connection, in the horizontal direction may be used with the sliding block pedestal
The formed punch being slidably connected, the side opening upper mold that rushes includes upper pneumatic for carrying out passing through with cope plate for compression positioning to blank
The upper locating piece of spring connection, and the wedge shape for being used to that the formed punch to be pushed to generate horizontal displacement being fixedly connected with cope plate
Column, the tapping device include mold and tapping upper mold under tapping, and the tapping upper mold includes for pressing blank
The upper compressing member of tightening position being connect with cope plate by upper pneumatic spring, the driving screw rod being fixedly connected with cope plate, first
Nitrogen gas spring and at least one first pressure roller, mold includes solid with lower template for what is positioned to blank under the tapping
Surely the lower support element connected, retainer being connect with lower template by lower pneumatic spring and with the lower support element slidable connection
Plate, the side tapping pedestal being fixedly connected with lower template, it is being connect with lower template by Rectangular Spring and with the side tapping pedestal
The tapping support of slidable connection, the retainer plate bottom are fixedly connected at least one first drive screw, the lower template
It is provided with the first transmission gear for being provided with screwed hole of centre corresponding with first drive screw, for processing the step
First tapping screw tap of threaded hole, the first tapping screw tap are connect by the first driven wheel with first transmission gear；Institute
It states tapping support and is provided with horizontally movable second tapping screw tap, the second tapping screw tap is socketed in a first vertical tooth
In wheel, the first vertical gear is engaged with a second vertical gear, and the second vertical gear passes through one coaxial the
The first level transmission gear that one vertical bevel gear is provided with coaxial first level bevel gear with one is connect, the first vertical cone
Gear is engaged with first level bevel gear, and the first level transmission gear passes through second intermediate gear and one second biography
Driving wheel engagement, second driving wheel are provided centrally with threaded hole corresponding with the driving screw rod,
Material strip is transmitted by step B on the progressive die provided by step A, when material strip be sent to it is described rush side opening station when,
The course of work is, when cope plate is run down, upper locating piece is contacted with blank top surface, and compressing blank is run down, and that is to say
It oppresses retainer plate simultaneously to run down, while Tapered Column compressing sliding block pedestal is run down, the power of the Rectangular Spring is set as
Power unlike the lower pneumatic spring and the upper pneumatic spring is big, and during running down, the Tapered Column not will push
The formed punch is punched out blank, when the upper locating piece is mobile in place, that is to say the upper locating piece and the lower positioning
After part completes stable holding to blank, the lower pneumatic spring stops deformation, and the sliding block pedestal also is moved into position, with the side
Punching pedestal stops relative displacement, at this point, the upper pneumatic spring continues to deform, that is, the cope plate continues to be displaced, and pushes away
The Tapered Column is moved to move downward, so that formed punch described in Level Promoting goes out side opening on blank, it is both achievable in this way to rush side opening
Operation,
During the cope plate is run up, the sliding block pedestal and the formed punch can in die sinking it is synchronous with material strip to
Upper floating,
Step C, when material strip is sent to tapping station, the course of work is, when cope plate is run down, upper compressing member and blank
Top surface contact, compressing blank run down, that is to say to pass through first pressure roller while oppressing retainer plate and run down, while the
One nitrogen gas spring is oppressed the tapping support and is run down, and during running down, the driving screw rod not will push described
The rotation of second driving wheel,
After blank is inserted in the lower support element, the retainer plate during running down, the first drive screw to bottom
The rotation of the first transmission gear can be driven by the screwed hole of centre of the first transmission gear by moving, to drive the via the first driven wheel
The rotation of one tapping screw tap, 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 moves upwards, so that the tapping of step threaded hole is completed,
When the upper compressing member is mobile in place, it that is to say that the upper compressing member and the lower support element complete stable holding to blank
Afterwards, blank is downwards completely into lower support element and after being fixed, and the lower pneumatic spring stops deformation, and the tapping support also moves
The dynamic relative displacement for stopping vertical direction with lower template in place, at this point, the upper pneumatic spring continues to deform, that is, it is described on
Template continues to be displaced, and first nitrogen gas spring also continues to deform, and pushes the driving screw rod to move downward, the driving screw rod
Linear motion drive the rotation of the second driving wheel, and successively via the second intermediate 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, to be converted to institute again
The horizontal rotation feed motion that the second tapping screw tap corresponds to horizontal screw thread hole site on blank is stated, to complete to horizontal screw thread
The tapping in hole,
During the cope plate is run up, the inverse operation of the above process is finally completed tapping operation,
Step D, when material strip is sent to blanking station, finished product motor mounting shell is fallen, and completes preparation.
2. a kind of the method as described in claim 1, which is characterized in that in stepb, can be by being fixedly connected with cope plate
At least one pressure roller runs down to oppress retainer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369973.2A CN108097797B (en) | 2017-12-19 | 2017-12-19 | A kind of motor mounting shell preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369973.2A CN108097797B (en) | 2017-12-19 | 2017-12-19 | A kind of motor mounting shell preparation method |
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| Publication Number | Publication Date |
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| CN108097797A CN108097797A (en) | 2018-06-01 |
| CN108097797B true CN108097797B (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711369973.2A Active CN108097797B (en) | 2017-12-19 | 2017-12-19 | A kind of motor mounting shell preparation method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719805A (en) * | 2020-12-21 | 2021-04-30 | 四川科思精密模具有限公司 | Taper thread machining method |
| CN114932417A (en) * | 2022-05-27 | 2022-08-23 | 浙江得业电机科技有限公司 | Motor rear cover continuous forming die |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009071437A1 (en) * | 2007-12-07 | 2009-06-11 | Thyssenkrupp Steel Ag | Production method of highly dimensionally accurate half shells |
| CN202037241U (en) * | 2011-01-21 | 2011-11-16 | 上海日用-友捷汽车电气有限公司 | Progressive die of motor end cap |
| CN203236072U (en) * | 2013-05-03 | 2013-10-16 | 张万春 | Automatic synchronization tapping machine |
| CN206597823U (en) * | 2017-01-16 | 2017-10-31 | 麻城市立林金属制品股份有限公司 | A kind of High-efficiency stable is used for the progressive die for producing electronic lighter hurricane globe |
-
2017
- 2017-12-19 CN CN201711369973.2A patent/CN108097797B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009071437A1 (en) * | 2007-12-07 | 2009-06-11 | Thyssenkrupp Steel Ag | Production method of highly dimensionally accurate half shells |
| CN202037241U (en) * | 2011-01-21 | 2011-11-16 | 上海日用-友捷汽车电气有限公司 | Progressive die of motor end cap |
| CN203236072U (en) * | 2013-05-03 | 2013-10-16 | 张万春 | Automatic synchronization tapping machine |
| CN206597823U (en) * | 2017-01-16 | 2017-10-31 | 麻城市立林金属制品股份有限公司 | A kind of High-efficiency stable is used for the progressive die for producing electronic lighter hurricane globe |
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| CN108097797A (en) | 2018-06-01 |
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