CN110465864A - Automatic sharpening device for stamping die - Google Patents
Automatic sharpening device for stamping die Download PDFInfo
- Publication number
- CN110465864A CN110465864A CN201910531003.0A CN201910531003A CN110465864A CN 110465864 A CN110465864 A CN 110465864A CN 201910531003 A CN201910531003 A CN 201910531003A CN 110465864 A CN110465864 A CN 110465864A
- Authority
- CN
- China
- Prior art keywords
- sliding block
- stamping die
- grinding
- sharpening device
- installation set
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/20—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/60—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of tools not covered by the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of automatic sharpening devices for stamping die, including the attachment base for being connect with press machine and the sharpening component being connected on attachment base, it is described sharpening component include grinding carriage, be rotatably assorted the grinding wheel being installed on grinding carriage and be installed on grinding carriage for drive grinding wheel rotate grinding wheel actuator, the grinding carriage by can in the horizontal direction with vertical direction sliding in a manner of be installed on attachment base；High-precision, efficient grinding can be achieved by adjusting to grinding wheel horizontal direction and vertical displacement in the present invention, mold and punching head can be realized online high-precision sharpening and repair, improve sharpening efficiency and quality without dismounting, processing efficiency is improved, labor intensity is reduced.
Description
Technical field
The invention belongs to machinery manufacturing technology field, in particular to a kind of automatic sharpening device for stamping die.
Background technique
For press machine in frequent punching course, mold and punching head frequently subjects shock loading, in punching course
It being contacted between grinding tool formed punch and part to be punched, microcosmic lower the two part has biggish shock loading, localized high temperature regions are formed,
It will lead to some materials in part to be punched and be adhered to mold and punching head bottom formation built-up edge；The edge frequent impact of mold and punching head
It will lead to biggish abrasion；Therefore timing is needed to sharpen mold and punching head, existing technological means is usually to dismantle mold punching
Head is sharpened, and time-consuming is longer drastically influences productive temp and processing efficiency for mold and punching head dismounting sharpening；
It is proposed that the automatic sharpening device for being used for stamping die, the device are installed on press machine online right regarding to the issue above
Mold and punching head carries out sharpening operation and substantially increases productive temp and processing efficiency without dismantling mold and punching head；
Summary of the invention
In view of this, the present invention provides a kind of automatic sharpening device for stamping die, which is installed on press machine
On sharpening operation carried out to mold and punching head online without dismantling mold and punching head substantially increase productive temp and processing efficiency；
Automatic sharpening device for stamping die of the invention, including for being connect with press machine attachment base and
The sharpening component being connected on attachment base, the sharpening component includes grinding carriage, be rotatably assorted the grinding wheel being installed on grinding carriage
And it is installed on the grinding wheel actuator on grinding carriage for driving grinding wheel to rotate, the grinding carriage is with can in the horizontal direction and vertically
The mode of direction sliding is installed on attachment base.
Further, the grinding carriage includes installation set and fastener, offers in the installation set and prolongs the perforation of its inner cavity
The fastening notch that direction extends and is connected to inner cavity, the grinding wheel actuator are installed in installation set, and the fastener is anchored on
The indentation, there is for changing notch size and then change installation set inner cavity size forms the clamping to grinding wheel actuator.
Further, the floor that the sharpening component further includes right angle frame and is connected on right angle frame, the right angle frame one
While being external in installation set another side so that can attachment base be installed on in a manner of vertical direction sliding in the horizontal direction.
Further, the installation set one side wall has mounting plane as the mounting plane portion connecting with right angle frame, installation
With mounting plane opposite end two sides fleshing formation outer profile around the deformations of installation set inner cavity, fastening notch is opened in set
On side wall between mounting plane portion and deformations, is coaxially offered in the mounting plane portion and deformations and run through fastening and lack
Tight-lipped solid hole, the fastener, which runs through, is connected to the fastener hole to mounting plane portion and deformations formation tightened relative.
Further, the grinding carriage is installed on Z-direction sliding block, and the Z-direction sliding block and Z-direction screw rod constitute feed screw nut pair shape
The Z-direction of pairs of grinding carriage back and forth drives, and the Z-direction screw rod, which is rotatably assorted, to be installed on Z-direction guide assembly, and the Z-direction sliding block can Z
To being slidably mounted on Z-direction guide assembly.
Further, the Z-direction guide assembly is installed on Y-direction sliding block, and the Y-direction sliding block and Y-direction screw rod constitute screw rod spiral shell
Female secondary formed back and forth drives the Y-direction of Z-direction guide assembly, and the Y-direction screw rod, which is rotatably assorted, to be installed on Y-direction guide rail component, institute
State Y-direction sliding block can Y-direction be slidably mounted on Y-direction guide rail component.
Further, the Y-direction guide rail component is installed on X on sliding block, and the X constitutes screw rod spiral shell to sliding block and X to screw rod
Female secondary formed drives the X of Y-direction guide rail component to reciprocal, and the X is rotatably assorted to screw rod to be installed on guide's X rail assembly, institute
State X to sliding block can X to being slidably mounted on guide's X rail assembly, guide's X rail assembly is installed on attachment base.
Further, the attachment base includes several blocks of electromagnet and the mounting plate that is connected on electromagnetic block.
Further, it is provided on guide's X rail assembly, Y-direction guide rail component and Z-direction guide assembly corresponding for limiting
The limit switch of sliding block sliding stroke.
Further, the X is removably connected with sliding bed course, the cunning to sliding block, Y-direction sliding block and Z-direction slider bottom
Dynamic bed course is slidably mounted on corresponding guide assembly.
Beneficial effects of the present invention:
The present invention realizes that X is adjusted to, the displacement of Y-direction, Z-direction using three-shaft linkage, has used feed screw nut pair and has combined electricity
Magnet bracing means realizes high-precision, efficient grinding, and mold and punching head can be realized online high-precision without dismounting
Degree sharpening and reparation, sharpening automation replace traditional type dismounting to sharpen, improve sharpening efficiency and quality, improve processing effect
Rate reduces labor intensity.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic diagram of the three-dimensional structure；
Fig. 2 is sharpening component structure diagram；
Fig. 3 is grinding carriage structural schematic diagram；
Fig. 4 is Sharpening device schematic perspective view；
Fig. 5 is X to slide construction schematic diagram；
Fig. 6 is Y-direction slide construction schematic diagram；
Fig. 7 is Z-direction slide construction schematic diagram；
Specific embodiment
Fig. 1 is schematic diagram of the three-dimensional structure；Fig. 2 is sharpening component structure diagram；Fig. 3 is grinding carriage structural representation
Figure；Fig. 4 is Sharpening device schematic perspective view；Fig. 5 is X to slide construction schematic diagram；Fig. 6 is Y-direction slide construction schematic diagram；
Fig. 7 is Z-direction slide construction schematic diagram；
In the present embodiment, X is mutually perpendicular to, Y-direction and slides for horizontal direction, and Z-direction is vertically to sliding；
A kind of automatic sharpening device for stamping die is present embodiments provided, including for connecting with press machine
Attachment base 1 and the sharpening component being connected on attachment base, the sharpening component includes grinding carriage 2, being rotatably assorted is installed on sand
Grinding wheel 3 on wheel carrier and it is installed on grinding wheel actuator 4 on grinding carriage for driving grinding wheel to rotate, the grinding carriage is with can be
Horizontal direction and the mode of vertical direction sliding are installed on attachment base；As shown in Figure 1, include two macroplates in the present embodiment,
Respectively Sharpening device and the control cabinet 18 for controlling Sharpening device, the control cabinet is set as portable body structure,
It is connected with handle 19 at the top of control cabinet, the multiple buttons for controlling Sharpening device are integrated on control cabinet, when in use,
It is installed on Sharpening device is affixed on press machine, control cabinet is mentioned accordingly to easily operated position, is controlled by control cabinet
The sliding in the horizontal and vertical direction of grinding carriage adjusts the height of grinding wheel by the sliding of vertical direction to be adapted to mold and punching head
Highly, grinding wheel is driven to carry out grinding action to the lower surface of mold and punching head by the sliding of horizontal direction, it can be real by the device
When online to mold and punching head be ground, mold and punching head without dismounting or movement high-precision sharpening and reparation can be obtained, reduce
Labor intensity substantially increases productive temp and processing efficiency.
In the present embodiment, the grinding carriage 2 includes installation set 2a and fastener 2b, offers in the installation set and prolongs it
The fastening notch 2c that inner cavity perforation direction extends and is connected to inner cavity, the grinding wheel actuator are installed in installation set, described tight
Firmware is anchored on the indentation, there for changing notch size and then change installation set inner cavity size forms the folder to grinding wheel actuator
It holds；As shown in Fig. 2, the present embodiment medium plain emery wheel actuator 4 selects direct current generator, which is cylindrical structure, therefore is pacified
The inner cavity of encapsulation 2a is matched circular cylindrical cavity, and it is gap-like structure on installation set side wall that notch, which is opened in, is adjusted
The width of the notch makes cylindrical cavity to control the degree of installation set inner cavity deformation, by the notch that fastener fastens installation set
Deformation occurs and forms clamp structure to direct current generator shell, which is convenient for the disassembly of direct current generator, is easily changed and repairs
Grinding wheel.
In the present embodiment, the sharpening component further includes right angle frame 5 and the floor being connected on right angle frame 6, described straight
Corner bracket 5 is external in the another side installation set 2a that can be installed on attachment base 1 in a manner of vertical direction sliding in the horizontal direction on one side；
As shown in connection with fig. 2, support construction of the right angle frame cooperation floor as installation set, provides well for installation set 2a with this configuration
Support, installation set and right angle frame junction form one, it is with good stability can so that installation set has stable peace
Substrate is filled, the offset when deformation of installation set is controlled by the mounting substrate, improves the installation accuracy of grinding wheel actuator 4.
In the present embodiment, the installation set 2a one side wall has mounting plane as the mounting plane portion connecting with right angle frame
2a1, installation set 2a and the mounting plane opposite end two sides fleshing form outer profile around the deformations of the inner cavity installation set 2a
2a2, fastening notch 2c are opened on the side wall between mounting plane portion 2a1 and deformations 2a2, the mounting plane portion 2a1 with
It is coaxially offered on deformations 2a2 and runs through fastening notch 2c fastener hole, the fastener 2b, which runs through, is connected to the fastener hole pair
Mounting plane portion 2a1 and deformations 2a2 forms tightened relative；As shown in figure 3, mounting plane portion 2a1 passes through as mounting substrate
Bolt and mounting plate 20, which are formed, to be connected, and wherein mounting plate is fixed on right angle frame 5, wherein the inner cavity installation set 2a axis direction and rib
The extending direction of plate 6 is identical, and fleshing forms similar trapezoidal outer profile structure at the top of deformations, is connected in trapezoidal outer profile two sides
Two securing planes, for the trapezoidal outer profile around installation set inner cavity, fastener 2b is fastening bolt through shape in fastener hole
The clamping of mounted in pairs planar portions 2a1 and deformations 2a2 pass through the trapezoidal foreign steamer of two sides fleshing when fastening notch is compressed
The stress of wide structural improvement deformations, the deformation stress traction installation set 2a that can effectively avoid herein shift caused assembly
Error improves the installation accuracy of grinding wheel actuator 4.
In the present embodiment, the grinding carriage 2 is installed on Z-direction sliding block 7, and the Z-direction sliding block and Z-direction screw rod 8 constitute screw rod
Pair of nut, which is formed, back and forth drives the Z-direction of grinding carriage 2, and the Z-direction screw rod 8, which is rotatably assorted, to be installed on Z-direction guide assembly 9, institute
State Z-direction sliding block 7 can Z-direction be slidably mounted on Z-direction guide assembly 9；In conjunction with shown in Fig. 4 and Fig. 7, Z-direction guide assembly 9 has to Z
To the guiding and supporting role of sliding block, Z-direction guide assembly 9 is led including guide rail Z-direction substrate 9a, the Z-direction being installed on guide rail substrate
The rail 9b and Z-direction screw rod mounting base 9c for being installed on the two sides Z-direction substrate 9a is equipped with Z in one of Z-direction screw rod mounting base
To driving motor 21, another Z-direction screw rod mounting base 9c is used as bearing block, and Z-direction driving motor 21 is for driving Z-direction silk
Bar is additionally provided with a bearing block between two Z-direction screw rod mounting bases, and Z-direction screw rod, which is rotatably assorted, to be installed on two bearing blocks,
Z-direction sliding block 7 is slidably mounted on Z-direction guide rail 9b, and Z-direction substrate 9a has good support performance to Z-direction guide rail, improves Z-direction
The sliding stability of sliding block 7, to improve the mobile stability of grinding carriage.
In the present embodiment, the Z-direction guide assembly 9 is installed on Y-direction sliding block 10, the Y-direction sliding block 10 and Y-direction screw rod
11 composition feed screw nut pairs, which are formed, back and forth drives the Y-direction of Z-direction guide assembly 9, and the Y-direction screw rod 11, which is rotatably assorted, is installed on Y
On guide rail assembly 12, the Y-direction sliding block 10 can Y-direction be slidably mounted on Y-direction guide rail component 12.
In the present embodiment, the Y-direction guide rail component 12 is installed on X on sliding block 13, and the X is to sliding block 13 and X to screw rod
14 composition feed screw nut pairs are formed to the X of Y-direction guide rail component 12 to reciprocal driving, and the X is rotatably assorted to screw rod 14 and is installed on X
On guide rail assembly 15, the X to sliding block 13 can X to being slidably mounted on guide's X rail assembly 15, guide's X rail assembly 15
It is installed on attachment base 1.
Guide's X rail assembly 15 is similar with Z-direction guide assembly 9 with the structure of Y-direction guide rail component 12, by guide rail, substrate, silk
Bar mounting base bearing block is constituted, and is not being repeated specifically；Wherein the top of Y-direction sliding block 10 is connected with Y-direction mounting plate 22, Z-direction guide rail
Underlying Z-direction screw rod mounting base 9c is installed on the mounting plate on component 9, by mounting plate convenient for Z-direction guide assembly 9
Installation, X is to being connected with X at the top of sliding block 13 to mounting plate 23, underlying screw rod mounting base installation on Y-direction guide rail component 12
In on the mounting plate, it is convenient for the installation of Y-direction guide rail component 12 by mounting plate, wherein X passes through X to driving motor to screw rod 14
24 driving rotations, Y-direction screw rod 11 pass through corresponding base by the driving rotation of Y-direction driving motor 25, above structure, each guide rail
Plate forms reliable support, improves the sliding stability of each sliding block, to improve the mobile stability of grinding carriage；Pass through
Three-shaft linkage realizes that X is adjusted to, the displacement of Y-direction, Z-direction, and three degree of freedom sliding can bear uniform load force, cooperate screw rod spiral shell
Female auxiliary driving realizes high-precision, efficient processing request；X to screw rod, Y-direction screw rod, Z-direction screw rod can external handle to replace
For respective driving motor, by the sliding of each sliding block of hand rotate driving, do not repeating specifically.
In the present embodiment, the attachment base 1 includes several pieces of electromagnet 1a and mounting plate 1b being connected on electromagnetic block；
As shown in figure 5, attachment base includes two cylindric electromagnet and the mounting plate that is overlapped on two electromagnet, X direction guiding rail group
Part 15 is installed on mounting plate 1b, is convenient for being installed on Sharpening device is affixed on press machine by electromagnet, can be born
Biggish stress, and connection procedure is simplified, improve portability.
In the present embodiment, it is arranged on guide's X rail assembly 15, Y-direction guide rail component 12 and Z-direction guide assembly 9 useful
In the limit switch 16 of limitation respective slide sliding stroke；In conjunction with shown in Fig. 6 to Fig. 7, be located at X to sliding block, Y-direction sliding block and
The two sides of Z-direction sliding block glide direction are respectively provided with there are two limit switch 16, are the sliding row of sliding block between two limit switches
Journey, the present embodiment select SZL-WL-A type limit switch.
In the present embodiment, the X is removably connected with sliding mats to sliding block 13, Y-direction sliding block 10 and 7 bottom of Z-direction sliding block
Layer 17, the sliding bed course is slidably mounted on corresponding guide assembly；The bed course is removably connected to sliding block by bolt
Bottom, bed course bottom offer dovetail groove, and guide's X rail assembly, Y-direction guide rail component and the corresponding guide rail of Z-direction guide assembly are equal
It, in sharpening, is shaken when grinding wheel generates for dovetail rail in the mute guide rail and high-precision sliding block that each glide direction is all made of
Mute guide rail and high-precision sliding block cooperate when dynamic, and vibration is evenly distributed to each guide rail and substrate, reduce vibration to work
The influence of precision.
In the present embodiment, there are multiple buttons, respectively total power button, electromagnet button, limit switch electricity on control cabinet
Source button, X, Y, Z-direction driving motor general supply key, grinding wheel actuator control button, X rotate forward button, X to driving to driving motor
Invert button, Y-direction driving motor rotates forward button, Y-direction driver inversion button, Z-direction driving motor rotate forward button, Z-direction driver inversion
Button and reset switch；
When being sharpened using the device, operating procedure is as follows:
S1: total power button is opened；
S2: pressing lower electromagnet button and gently shakes the device with hand, and whether test electromagnet consolidates；
S3: X, Y, Z-direction driving motor general supply key are pressed, pico- rotor rotation sound is heard, means that and start successfully；
S4: opening limit switch power knob；
S5: the motor of reset switch refurbishing procedure and each position of preheating is pressed；
S6: checking whether the device grinding wheel contacts with mold and punching head, by lower grinding wheel actuator under the premise of not contacting
Control button；
S7: button is rotated forward by Z-direction driving motor, Z-direction driver inversion button realizes that the Z-direction of grinding wheel is mobile to adjust grinding wheel
Height；Rotate forward button, X to driving motor by X realizes the X of grinding wheel to movement to driver inversion button；It is driven by Y-direction
Motor rotates forward button, Y-direction driver inversion button realizes that the Y-direction of grinding wheel is mobile, by X to the mobile realization grinding wheel with Y-direction to mould
Has the grinding of ram bottom.
Wherein the control structure of control cabinet is the prior art, is not being repeated specifically；
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of automatic sharpening device for stamping die, it is characterised in that: including the connection for being connect with press machine
Seat and the sharpening component being connected on attachment base, the sharpening component includes grinding carriage, being rotatably assorted is installed on grinding carriage
Grinding wheel and be installed on grinding wheel actuator on grinding carriage for driving grinding wheel to rotate, the grinding carriage is with can be in the horizontal direction
It is installed on attachment base with the mode of vertical direction sliding.
2. the automatic sharpening device according to claim 1 for stamping die, it is characterised in that: the grinding carriage includes
Installation set and fastener offer in the installation set and prolong that its inner cavity perforation direction extends and fastening be connected to inner cavity is scarce
Mouthful, the grinding wheel actuator is installed in installation set, and the fastener is anchored on the indentation, there for changing notch size in turn
Change installation set inner cavity size and forms the clamping to grinding wheel actuator.
3. the automatic sharpening device according to claim 2 for stamping die, it is characterised in that: the sharpening component is also
Including right angle frame and the floor being connected on right angle frame, the right angle frame is external in installation set another side on one side with can be in level
The mode of direction and vertical direction sliding is installed on attachment base.
4. the automatic sharpening device according to claim 3 for stamping die, it is characterised in that: the installation set side
Wall has mounting plane as the mounting plane portion connecting with right angle frame, installation set and the mounting plane opposite end two sides fleshing shape
At outer profile around the deformations of installation set inner cavity, fastening notch is opened in the side wall between mounting plane portion and deformations
On, it is coaxially offered in the mounting plane portion and deformations and runs through fastening notch fastener hole, the fastener is through connection
Tightened relative is formed to mounting plane portion and deformations in the fastener hole.
5. the automatic sharpening device according to claim 1 for stamping die, it is characterised in that: the grinding carriage installation
In on Z-direction sliding block, the Z-direction sliding block is formed with Z-direction screw rod composition feed screw nut pair and is back and forth driven to the Z-direction of grinding carriage, the Z
Be rotatably assorted and be installed on Z-direction guide assembly to screw rod, the Z-direction sliding block can Z-direction be slidably mounted on Z-direction guide assembly.
6. the automatic sharpening device according to claim 5 for stamping die, it is characterised in that: the Z-direction guide rail group
Part is installed on Y-direction sliding block, and the Y-direction sliding block forms past to the Y-direction of Z-direction guide assembly with Y-direction screw rod composition feed screw nut pair
Multiple driving, the Y-direction screw rod, which is rotatably assorted, to be installed on Y-direction guide rail component, the Y-direction sliding block can Y-direction be slidably mounted on Y-direction and lead
On rail assembly.
7. the automatic sharpening device according to claim 6 for stamping die, it is characterised in that: the Y-direction guide rail group
Part is installed on X on sliding block, and the X constitutes feed screw nut pair and formed to sliding block and X to screw rod yearns for the X of Y-direction guide rail component
Multiple driving, the X is rotatably assorted to screw rod to be installed on guide's X rail assembly, the X to sliding block can X to being slidably mounted on guide X
On rail assembly, guide's X rail assembly is installed on attachment base.
8. the automatic sharpening device according to claim 1 for stamping die, it is characterised in that: the attachment base includes
Several blocks of electromagnet and the mounting plate being connected on electromagnetic block.
9. the automatic sharpening device according to claim 7 for stamping die, it is characterised in that: the X direction guiding rail group
The limit switch for limiting respective slide sliding stroke is provided on part, Y-direction guide rail component and Z-direction guide assembly.
10. the automatic sharpening device according to claim 7 for stamping die, it is characterised in that: the X is to sliding block, Y
It is removably connected with sliding bed course to sliding block and Z-direction slider bottom, the sliding bed course is slidably mounted at corresponding guide rail
On component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531003.0A CN110465864A (en) | 2019-06-19 | 2019-06-19 | Automatic sharpening device for stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531003.0A CN110465864A (en) | 2019-06-19 | 2019-06-19 | Automatic sharpening device for stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110465864A true CN110465864A (en) | 2019-11-19 |
Family
ID=68506985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531003.0A Withdrawn CN110465864A (en) | 2019-06-19 | 2019-06-19 | Automatic sharpening device for stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110465864A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112275869A (en) * | 2020-09-26 | 2021-01-29 | 张道辉 | Auto parts mould punching press auxiliary assembly based on intelligence is made |
-
2019
- 2019-06-19 CN CN201910531003.0A patent/CN110465864A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112275869A (en) * | 2020-09-26 | 2021-01-29 | 张道辉 | Auto parts mould punching press auxiliary assembly based on intelligence is made |
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Application publication date: 20191119 |