CN107934468A - Automobile stamping forming parts automatic docking device - Google Patents
Automobile stamping forming parts automatic docking device Download PDFInfo
- Publication number
- CN107934468A CN107934468A CN201711105869.2A CN201711105869A CN107934468A CN 107934468 A CN107934468 A CN 107934468A CN 201711105869 A CN201711105869 A CN 201711105869A CN 107934468 A CN107934468 A CN 107934468A
- Authority
- CN
- China
- Prior art keywords
- plate
- driving
- adjustment
- driving cylinder
- forming parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/20—Storage arrangements; Piling or unpiling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of automobile stamping forming parts automatic docking device.The device striker plate is vertically set on the horizontal side of splicing plate, first driving plate vertical sliding motion of the first driving mechanism is arranged on the horizontal opposite side of splicing plate, first driving cylinder is transversely set, the fixing end of first driving cylinder is installed in the first drive seat, and the first driving plate is installed on the telescopic end of the first driving cylinder;Two material blocking rods are vertically set on longitudinal side of splicing plate, second driving plate vertical sliding motion of the second driving mechanism is arranged on longitudinal opposite side of splicing plate, second drive seat is fixed at the second driving plate backwards to the side of material blocking rod, second driving cylinder is longitudinally disposed, the fixing end of second driving cylinder is installed in the second drive seat, and the second driving plate is installed on the telescopic end of the second driving cylinder.The present invention can not only reduce artificial work process, save manpower and material resources, while it also avoid product collision deformation, ensure product quality.
Description
Technical field
The invention belongs to auto parts and components to carry technical field, more particularly to a kind of automobile stamping forming parts Automatic Code
Pile device.
Background technology
During auto parts and components Sheet Metal Forming Technology, the product after stamped shaping can be transported to picking-up container through sliding mouth
In, easily pile up the product after shaping in disorder, and the deformation that easily collides.Due to the product after program can not stacking it is whole
Together, when causing follow-up continuous punching automatic production line, in order to make manipulator normally continuously capture sheet stock, it is necessary to manually heap
Stacking is put neatly, waste of manpower and material resources, and is easily caused damage to product.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of automobile stamping forming parts automatic stacking dress
Put.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of automobile stamping forming parts automatic docking device, described device include splicing plate, striker plate, material blocking rod,
First driving mechanism and the second driving mechanism, the striker plate are vertically set on the horizontal side of the splicing plate, and described first
Driving mechanism includes the first drive seat, the first driving cylinder and the first driving plate, the first driving plate vertical sliding motion and is arranged on
The horizontal opposite side of the splicing plate, first drive seat are arranged on first driving plate backwards to the one of the splicing plate
Side, the first driving cylinder are transversely set, and the fixing end of the first driving cylinder is installed in first drive seat,
First driving plate is installed on the telescopic end of the described first driving cylinder;The material blocking rod is provided with two, described in two
Material blocking rod is vertically set on longitudinal side of the splicing plate, and second driving mechanism includes the second drive seat, the second driving
Cylinder and the second driving plate, the second driving plate vertical sliding motion are arranged on longitudinal opposite side of the splicing plate, and described second
Drive seat is fixed at second driving plate and is set backwards to the side of the material blocking rod, the second driving cylinder along longitudinal direction
Put, the fixing end of the second driving cylinder is installed in second drive seat, and second driving plate is installed on described the
On the telescopic end of two driving cylinders.
Further, described device further includes the first adjustment mechanism, first adjustment mechanism include the first adjusting seat and
First adjustment screw, first adjustment screw are transversely set, and first adjusting seat is fixed at first driving
The outside of seat, first adjustment screw are thread through first adjusting seat, and first drive seat is threadably mounted at described
In first adjustment screw, the position of the first driving plate of the first driving mechanism can be so set to adjust, to adapt to different rulers
Very little product pile.
Further, first adjustment mechanism further includes the first adjustment handle, and the first adjustment handle is installed on
The outer end of first adjustment screw, to facilitate the rotation of the first adjustment screw.
Further, described device further includes second adjustment mechanism, the second adjustment mechanism include second adjustment seat and
Second adjustment screw rod, the second adjustment seat are fixed at the lateral outer side of the striker plate, the second adjustment screw rod edge
Laterally set, the second adjustment screw flight passes through the second adjustment seat, and the striker plate is threadably mounted at described second
On the other end of adjustment screw, so the position of striker plate can be enable to adjust, to adapt to various sizes of product pile.
Further, the second adjustment mechanism further includes second adjustment handle, and the second adjustment handle is installed on
The outer end of the second adjustment screw rod, to facilitate the rotation of second adjustment screw rod.
Further, the splicing plate is respectively arranged with fixed link on the position for installing two material blocking rods, described
The height of fixed link and the top surface of the splicing plate are flush, and two material blocking rods are plugged on the corresponding fixed link respectively
On, after the product placement on splicing plate, material blocking rod can be disassembled, to facilitate the turnover of product.
Further, the top of the material blocking rod is provided with drop handle, to facilitate the dismounting of material blocking rod.
Preferably, described device further includes bottom plate, and the splicing plate is installed on above the bottom plate, and the bottom plate has fork
The operating space that car uses.
The beneficial effects of the invention are as follows:
A kind of automobile stamping forming parts automatic docking device of the present invention, the product after shaping can be deposited in splicing plate
On, while the first driving cylinder and the second driving cylinder work at the same time, the first driving plate of the telescopic end of the first driving cylinder will
Mixed and disorderly unordered product pushes striker plate to, and the transverse ends of product are alignd, and the second of the telescopic end of the second driving cylinder
Driving plate pushes mixed and disorderly unordered product to material blocking rod, longitudinal both ends of product is alignd, so as to complete the code of product
Put neatly, mechanical automation degree is high, can not only reduce artificial work process, to save manpower and material resources, at the same time
Product collision deformation is it also avoid, ensures product quality.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram of the automobile stamping forming parts automatic docking device of the embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of high automobile stamping forming parts automatic stacking dress of mechanical automation degree
Put.
Fig. 1 is the structure diagram of the automobile stamping forming parts automatic docking device of the embodiment of the present invention, referring to figure
1, the automobile stamping forming parts automatic docking device of the embodiment of the present invention, including splicing plate 1, striker plate 2, material blocking rod 3,
One driving mechanism a and the second driving mechanism b, wherein, striker plate 2 is vertically set on the horizontal side of splicing plate 1, the first driving machine
Structure a includes the first drive seat 4, first driving 5 and first driving plate 6 of cylinder, and 6 vertical sliding motion of the first driving plate is arranged on splicing plate
1 horizontal opposite side, the first drive seat 4 are arranged on the first driving plate 6 backwards to the side of splicing plate 1, and first drives cylinder 5 along horizontal stroke
To setting, the fixing end of the first driving cylinder 5 is installed in the first drive seat 4, and the first driving plate 6 is installed on the first driving cylinder
On 5 telescopic end;Material blocking rod 3 is provided with two, and two material blocking rods 3 are vertically set on longitudinal side of splicing plate 1, the second driving
Mechanism b includes the second drive seat 7, second driving 8 and second driving plate 9 of cylinder, and 9 vertical sliding motion of the second driving plate is arranged on splicing
Longitudinal opposite side of plate 1, the second drive seat 7 are fixed at the second driving plate 9 backwards to the side of material blocking rod 3, the second driving gas
Cylinder 8 is longitudinally disposed, and the fixing end of the second driving cylinder 8 is installed in the second drive seat 7, and the second driving plate 9 is installed on second
On the telescopic end for driving cylinder 8.
A kind of palletizing apparatus of the present invention, the product after shaping can be deposited on splicing plate, at the same the first driving cylinder and
Second driving cylinder works at the same time, and the first driving plate of the telescopic end of the first driving cylinder pushes mixed and disorderly unordered product to backgauge
Plate, the transverse ends of product are alignd, and the second driving plate of the telescopic end of the second driving cylinder is by mixed and disorderly unordered product
Push material blocking rod to, longitudinal both ends of product are alignd, so as to complete the neatly packed of product, mechanical automation degree
Height, can not only reduce artificial work process, to save manpower and material resources, while it also avoid product collision deformation,
Ensure product quality.
With reference to Fig. 1, the palletizing apparatus of the embodiment of the present invention can also include the first adjustment mechanism c, first adjustment mechanism c
Including the first adjusting seat 10 and the first adjustment screw 11, the first adjustment screw 11 is transversely set, and the first adjusting seat 10 is fixed and set
Put in the outside of the first drive seat 4, the first adjustment screw 11 is thread through the first adjusting seat 10, the installation of 4 screw thread of the first drive seat
In the first adjustment screw 11, the first adjustment screw 11 rotates, and can drive the movement of the first drive seat 4 in a lateral direction,
And then the position of the first driving plate 6 of the first driving mechanism a can be enable to adjust, to adapt to various sizes of product pile.
Further, the first adjustment handle 12 can also be included with reference to Fig. 1, the first adjustment mechanism c of the embodiment of the present invention,
First adjustment handle 12 is installed on the outer end of the first adjustment screw 11, to facilitate the rotation of the first adjustment screw 11.
With reference to Fig. 1, the palletizing apparatus of the embodiment of the present invention can also include second adjustment mechanism d, second adjustment mechanism d bags
Second adjustment seat 13 and second adjustment screw rod 14 are included, second adjustment seat 13 is fixed at the lateral outer side of striker plate 2, and second adjusts
Whole screw rod 14 is transversely set, and second adjustment screw rod 14 is thread through second adjustment seat 13, and striker plate 2 is threadably mounted at the second tune
On the other end of whole screw rod 14, second adjustment screw rod 14 rotates, and can drive the movement of striker plate 2 in a lateral direction, and then
The position of striker plate 2 can be enable to adjust, to adapt to various sizes of product pile.
Further, second adjustment handle 15 can also be included with reference to Fig. 1, the second adjustment mechanism d of the embodiment of the present invention,
Second adjustment handle 15 is installed on the outer end of second adjustment screw rod 14, to facilitate the rotation of second adjustment screw rod.
It should be noted that in the embodiment of the present invention, the position adjustment to the first driving plate 6 and striker plate 2 be and meanwhile into
Capable, to ensure that product to be palletized is located at the center position of splicing plate 1.
With reference to Fig. 1, in the embodiment of the present invention, splicing plate 1 is respectively arranged with fixation on the position for installing two material blocking rods 3
Bar 16, the height and the top surface of splicing plate 1 of fixed link 16 are flush, and two material blocking rods 3 are plugged on corresponding fixed link 16 respectively
On, after the product placement on splicing plate 1, material blocking rod 3 can be disassembled, to facilitate the turnover of product.
With reference to Fig. 1, in the embodiment of the present invention, the top of material blocking rod 3 can be provided with drop handle 17, to facilitate material blocking rod 3
Dismounting.
In addition, with reference to Fig. 1, the palletizing apparatus of the embodiment of the present invention can also include bottom plate 18, and splicing plate 1 is installed on bottom plate
18 tops, bottom plate 18 have the operating space 19 that fork truck uses, after the product placement on splicing plate 1, can pass through fork
Car is transported, to carry out remaining process.
In the embodiment of the present invention, the first driving mechanism, the second driving mechanism, the first adjustment mechanism, second adjustment mechanism and
Fixed link can be installed within base, and the embodiment of the present invention is without limitation.
Embodiment provided above is the better embodiment of the present invention, is only used for the convenient explanation present invention, not to this hair
The limitation of bright work in any form, any those of ordinary skill in the art, if putting forward skill not departing from the present invention
In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and
Without departing from the technical feature content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (8)
1. a kind of automobile stamping forming parts automatic docking device, it is characterised in that described device includes splicing plate, backgauge
Plate, material blocking rod, the first driving mechanism and the second driving mechanism, the striker plate are vertically set on horizontal the one of the splicing plate
Side, it is vertical that first driving mechanism includes the first drive seat, the first driving cylinder and the first driving plate, first driving plate
The horizontal opposite side of the splicing plate is slidably arranged in, first drive seat is arranged on first driving plate and is connect backwards to described
The side of flitch, the first driving cylinder are transversely set, and the fixing end of the first driving cylinder is installed on described first
In drive seat, first driving plate is installed on the telescopic end of the described first driving cylinder;The material blocking rod is provided with two,
Two material blocking rods are vertically set on longitudinal side of the splicing plate, second driving mechanism include the second drive seat,
Second driving cylinder and the second driving plate, the second driving plate vertical sliding motion are arranged on longitudinal opposite side of the splicing plate,
Second drive seat is fixed at second driving plate backwards to the side of the material blocking rod, the second driving cylinder edge
Longitudinally disposed, the fixing end of the second driving cylinder is installed in second drive seat, and second driving plate is installed on
On the telescopic end of the second driving cylinder.
2. automobile stamping forming parts automatic docking device according to claim 1, it is characterised in that described device is also
Including the first adjustment mechanism, first adjustment mechanism includes the first adjusting seat and the first adjustment screw, the first adjustment spiral shell
Bar is transversely set, and first adjusting seat is fixed at the outside of first drive seat, the first adjustment screw spiral shell
Line passes through first adjusting seat, and first drive seat is threadably mounted in first adjustment screw.
3. automobile stamping forming parts automatic docking device according to claim 2, it is characterised in that described first adjusts
Complete machine structure further includes the first adjustment handle, and the first adjustment handle is installed on the outer end of first adjustment screw.
4. automobile stamping forming parts automatic docking device according to claim 1, it is characterised in that described device is also
Including second adjustment mechanism, the second adjustment mechanism includes second adjustment seat and second adjustment screw rod, the second adjustment seat
The lateral outer side of the striker plate is fixed at, the second adjustment screw rod is transversely set, the second adjustment screw rod spiral shell
Line passes through the second adjustment seat, and the striker plate is threadably mounted on the other end of the second adjustment screw rod.
5. automobile stamping forming parts automatic docking device according to claim 4, it is characterised in that described second adjusts
Complete machine structure further includes second adjustment handle, and the second adjustment handle is installed on the outer end of the second adjustment screw rod.
6. automobile stamping forming parts automatic docking device according to claim 1, it is characterised in that the splicing plate
Fixed link, the height of the fixed link and the top of the splicing plate are respectively arranged with the position for installing two material blocking rods
Face is flush, and two material blocking rods are plugged in the corresponding fixed link respectively.
7. automobile stamping forming parts automatic docking device according to claim 6, it is characterised in that the material blocking rod
Top be provided with drop handle.
8. according to claim 1-7 any one of them automobile stamping forming parts automatic docking devices, it is characterised in that institute
State device and further include bottom plate, the splicing plate is installed on above the bottom plate, and the bottom plate has the operating space that fork truck uses.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711105869.2A CN107934468A (en) | 2017-11-10 | 2017-11-10 | Automobile stamping forming parts automatic docking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711105869.2A CN107934468A (en) | 2017-11-10 | 2017-11-10 | Automobile stamping forming parts automatic docking device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107934468A true CN107934468A (en) | 2018-04-20 |
Family
ID=61934739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711105869.2A Pending CN107934468A (en) | 2017-11-10 | 2017-11-10 | Automobile stamping forming parts automatic docking device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107934468A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108725864A (en) * | 2018-06-14 | 2018-11-02 | 阜阳市飞扬印务有限公司 | A kind of books tie up collating unit |
CN111014422A (en) * | 2019-12-31 | 2020-04-17 | 东莞市佳兴自动化设备科技有限公司 | Lithium battery hardware die-cutting machine and die-cutting method thereof |
CN115740258A (en) * | 2022-11-23 | 2023-03-07 | 广州丰铁汽车部件有限公司 | Punching machine charging equipment |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3302418A1 (en) * | 1983-01-26 | 1984-08-23 | Gemminger Maschinenbau GmbH, 7519 Gemmingen | Apparatus for aligning stacked shaped bodies |
JP2002114374A (en) * | 2000-10-06 | 2002-04-16 | Okura Yusoki Co Ltd | Stacking apparatus |
CN2666862Y (en) * | 2003-12-25 | 2004-12-29 | 天津港第四港埠公司 | Timber piling and ends arranging machine |
KR20050029144A (en) * | 2005-01-31 | 2005-03-24 | 태정산업주식회사 | Auto stacking system of glass wool and mineral wool |
CN101269750A (en) * | 2008-03-21 | 2008-09-24 | 常熟市三禾计量设备厂 | Reshaping device for package article |
CN101492104A (en) * | 2009-03-06 | 2009-07-29 | 东方机器制造(昆明)有限公司 | Automatic box feeding machine |
CN206088382U (en) * | 2016-10-10 | 2017-04-12 | 福建省宝龙环球装饰材料有限公司 | Receive device for neat continuous pile on plank flow direction of packaging line |
CN206203431U (en) * | 2016-11-22 | 2017-05-31 | 浙江东南金属薄板有限公司 | A kind of bunching device that gathering materials of cross cut shears |
CN206615790U (en) * | 2017-04-13 | 2017-11-07 | 苏州苏福马机械有限公司 | One kind is adapted to many size artificial board blanks longitudinally clappers device |
CN207467621U (en) * | 2017-11-10 | 2018-06-08 | 武汉华滋东江汽车零部件有限公司 | Automobile stamping forming parts automatic docking device |
-
2017
- 2017-11-10 CN CN201711105869.2A patent/CN107934468A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3302418A1 (en) * | 1983-01-26 | 1984-08-23 | Gemminger Maschinenbau GmbH, 7519 Gemmingen | Apparatus for aligning stacked shaped bodies |
JP2002114374A (en) * | 2000-10-06 | 2002-04-16 | Okura Yusoki Co Ltd | Stacking apparatus |
CN2666862Y (en) * | 2003-12-25 | 2004-12-29 | 天津港第四港埠公司 | Timber piling and ends arranging machine |
KR20050029144A (en) * | 2005-01-31 | 2005-03-24 | 태정산업주식회사 | Auto stacking system of glass wool and mineral wool |
CN101269750A (en) * | 2008-03-21 | 2008-09-24 | 常熟市三禾计量设备厂 | Reshaping device for package article |
CN101492104A (en) * | 2009-03-06 | 2009-07-29 | 东方机器制造(昆明)有限公司 | Automatic box feeding machine |
CN206088382U (en) * | 2016-10-10 | 2017-04-12 | 福建省宝龙环球装饰材料有限公司 | Receive device for neat continuous pile on plank flow direction of packaging line |
CN206203431U (en) * | 2016-11-22 | 2017-05-31 | 浙江东南金属薄板有限公司 | A kind of bunching device that gathering materials of cross cut shears |
CN206615790U (en) * | 2017-04-13 | 2017-11-07 | 苏州苏福马机械有限公司 | One kind is adapted to many size artificial board blanks longitudinally clappers device |
CN207467621U (en) * | 2017-11-10 | 2018-06-08 | 武汉华滋东江汽车零部件有限公司 | Automobile stamping forming parts automatic docking device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108725864A (en) * | 2018-06-14 | 2018-11-02 | 阜阳市飞扬印务有限公司 | A kind of books tie up collating unit |
CN111014422A (en) * | 2019-12-31 | 2020-04-17 | 东莞市佳兴自动化设备科技有限公司 | Lithium battery hardware die-cutting machine and die-cutting method thereof |
CN115740258A (en) * | 2022-11-23 | 2023-03-07 | 广州丰铁汽车部件有限公司 | Punching machine charging equipment |
CN115740258B (en) * | 2022-11-23 | 2023-10-13 | 广州丰铁汽车部件有限公司 | Punching machine feeding equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106181420A (en) | A kind of integrated type steel production line of full-automatic integral formula | |
CN107934468A (en) | Automobile stamping forming parts automatic docking device | |
CN105150251A (en) | Full-automatic board separating machine | |
CN202449655U (en) | Paper paving device | |
CN205204428U (en) | Automatic arrangement of cardboard is installed in heaps | |
CN205023384U (en) | Double layer belt line with jacking module | |
CN104139982A (en) | Punching material collecting and disc arranging machine | |
CN110103506A (en) | A kind of box press | |
CN107776971A (en) | Manage bag machine | |
CN208034051U (en) | Corner brace mounting device | |
CN202609529U (en) | Automatic feeding device of pharmacy production line | |
CN205732651U (en) | Bin double automatic charging machine | |
CN106241374A (en) | A kind of magazine feeding carrying mechanism | |
CN207467621U (en) | Automobile stamping forming parts automatic docking device | |
CN202609127U (en) | Pushing mechanism of automatic feeding device in pharmaceutical production line | |
CN204584111U (en) | Shear blank automatic stacking servicing unit | |
CN209383012U (en) | The mechanism of pallet de-stacking | |
CN207288471U (en) | A kind of interlocked numerical controlled plate bending machine of dual stage | |
CN207548033U (en) | Battery tray precision welding device | |
CN105197567A (en) | Aluminum product feeder | |
CN106743150A (en) | A kind of door and window automatic stacking machine | |
CN205060900U (en) | Aluminum product feeding machine | |
CN205736137U (en) | A kind of bin double automatic charging machine for punching press | |
CN212019303U (en) | Automatic feeding device of forging press | |
CN212070990U (en) | IBC ton bucket package assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |