CN210131983U - Automobile brake disc mould dismouting structure - Google Patents
Automobile brake disc mould dismouting structure Download PDFInfo
- Publication number
- CN210131983U CN210131983U CN201822089572.8U CN201822089572U CN210131983U CN 210131983 U CN210131983 U CN 210131983U CN 201822089572 U CN201822089572 U CN 201822089572U CN 210131983 U CN210131983 U CN 210131983U
- Authority
- CN
- China
- Prior art keywords
- rod
- sleeve
- die
- brake disc
- automobile brake
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model provides a car brake disc mould dismouting structure, including the bed die, go up the mould, the bracing piece, the nut, the head rod cup joints the pole, can cup joint the lifting rod structure, can peg graft and push up the movable block structure, can cushion the plugboard structure, hexagonal socket bolt, handheld pole, the antiskid cover lifts the pole, lag and asbestos pad. The utility model discloses the setting of expanding spring, peg graft pole, connecting pipe, ejector pin and protection piece is favorable to dismantling the mould, conveniently carries out dismouting work; the arrangement of the hand-held rod, the plastic sleeve, the sliding rail, the sliding block, the second connecting rod and the sleeving ring is beneficial to lifting the lower die and the upper die, so that the die can be conveniently moved; the arrangement of the plug socket, the buffer spring and the stainless steel ball is beneficial to fixing the lower die and is convenient for installation; the setting of ejector rod and protection piece is favorable to protecting the mould, prevents that ejector rod from damaging the mould surface.
Description
Technical Field
The utility model belongs to the technical field of the vapour turning mold utensil, especially, relate to a vapour car brake disc mould dismouting structure.
Background
One first presents the body of a car in front of a car. That is to say the body is the identifying assembly of the car. The body represents the visual characteristic of that type of automobile. The automobile die is a generic term of dies for punching all stampings on an automobile body in a narrow sense. Namely an automobile body stamping die. Such as roof flanging dies, beam stiffener compression dies, and the like. The stampings on the automobile body are largely divided into covering pieces, beam pieces and general stampings. Stamping parts capable of obviously representing the characteristics of the automobile image are automobile covering parts, so that people design a brake disc die.
However, the existing brake disc mould also has the problems of inconvenient disassembly of the mould, inconvenient lifting of the mould and inconvenient fixing of the mould.
Therefore, the invention provides a disassembly and assembly structure of an automobile brake disc mould, which is very necessary.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an automobile brake disc mould dismouting structure to there is inconvenient dismantlement mould, the problem of inconvenient lifting die utensil and inconvenient fixed mould in solving current brake disc mould. A disassembly and assembly structure of an automobile brake disc mold comprises a lower mold, an upper mold, a supporting rod, a nut, a first connecting rod, a sleeving rod, a lifting rod structure, a pluggable jacking block structure, a buffering plugging plate structure, a hexagonal socket bolt, a handheld rod, an anti-skidding sleeve, a lifting rod, a protecting sleeve and an asbestos pad, wherein the lower end of the supporting rod is welded on the left side and the right side of the inner bottom end of the lower mold respectively; the upper die is sleeved on the outer wall of the upper end of the lower die; the nuts are respectively in threaded connection with the upper parts of the outer walls of the supporting rods; the upper end of the supporting rod respectively penetrates through the middle positions of the inner parts of the left side and the right side of the upper die; the first connecting rods are respectively welded at the left side and the right side of the upper end of the upper die; the sleeve connecting rods are respectively welded on the upper parts of the front surfaces of the first connecting rods; the bell and spigot joint lifting rod structure is arranged on the outer wall of the bell and spigot joint rod; the pluggable jacking block structures are respectively arranged at the middle positions inside the left side and the right side of the lower die; the structure of the cushion plugboard is arranged at the lower end of the lower die; the hexagonal socket bolts respectively penetrate through the left side and the right side of the structure of the cushion plugboard and are in threaded connection with the lower die; the handheld rods are respectively welded on the left side and the right side of the upper die; the anti-slip sleeve is sleeved on the outer wall of the handheld rod; the lifting rods are respectively welded at the lower parts of the left side and the right side of the lower die; the protecting sleeves are respectively sleeved on the outer walls of the lifting rods; the asbestos pad is glued at the lower end of the lower die; the sleeved lifting rod structure comprises a lifting rod, a plastic sleeve, a sliding rail, a sliding block, a second connecting rod and a sleeving and connecting ring, wherein the plastic sleeve is sleeved at the middle position of the outer wall of the lifting rod; the sliding rails are respectively connected to the left side and the right side of the lower end of the portable rod through bolts; the sliding block is inserted in the sliding rail in a sliding manner; the upper end of the second connecting rod is welded in the middle of the lower end of the sliding block; the socket rings are respectively welded at the lower ends of the second connecting rods.
Preferably, the pluggable jacking block structure comprises a telescopic spring, a plugging rod, a connecting pipe, a plug pin, a jacking rod and a protection block, wherein the upper end of the plugging rod is welded in the middle of the lower end of the connecting pipe; the lower end of the insertion rod is inserted in the middle of the inside of the upper end of the telescopic spring; the lower end of the jacking rod is inserted in the middle of the upper end of the connecting pipe; the bolt is inserted in the middle of the inside of the connecting pipe; the protective block is glued to the upper end of the ejector rod.
Preferably, the structure of the cushion-capable plug board comprises a plug socket, a cushion spring, a stainless steel ball, a clamping and connecting plate, a flat head screw and a connecting groove, wherein the cushion spring is respectively plugged in the middle of the inner parts of the left side and the right side of the plug socket; the stainless steel balls are respectively inserted in the middle positions of the inner parts of the left side and the right side of the buffer spring; the flat head screws respectively penetrate through the middle positions inside the clamping and connecting plates; the flat head screws are respectively in threaded connection with the upper part and the lower part of the left side and the right side of the plug socket; the connecting grooves are respectively arranged at the left side and the right side of the lower end of the plug socket.
Preferably, the anti-skid sleeve is a rubber sleeve with cross-shaped anti-skid lines on the outer wall; the protective sleeve is a silica gel sleeve.
Preferably, the socket ring is a stainless steel ring; the slide rail adopts the U-shaped stainless steel slide rail that the lower part of the inner wall of the left and right sides has the bulge.
Preferably, the sleeving rings are sleeved on the outer walls of the sleeving rods respectively.
Preferably, the protective block is a rubber block with a rectangular cross section; the connecting pipe adopts a stainless steel pipe.
Preferably, the telescopic springs are respectively inserted at the bottom ends of grooves formed in the left side and the right side of the lower die; the protection blocks are respectively inserted at the top ends of the grooves formed in the left side and the right side of the lower die.
Preferably, the plug socket adopts a stainless steel socket with plug grooves formed in the left side and the right side.
Preferably, the hexagonal socket bolts penetrate through the connecting grooves and are in threaded connection with the left side and the right side of the lower end of the lower die respectively.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, expanding spring, peg graft the pole, the connecting pipe, the setting of pole and protection piece is moved in the top is favorable to dismantling the mould, conveniently carries out dismouting work.
2. The utility model discloses in, portable pole, the plastic sheath, the slide rail, the slider, the setting of second connecting rod and cup joint ring is favorable to promoting the bed die and goes up the mould, conveniently carries out mould removal work.
3. The utility model discloses in, the setting of bayonet socket, buffer spring and stainless steel ball be favorable to fixed bed die, conveniently install work.
4. The utility model discloses in, the setting of top movable rod and protection piece, be favorable to protecting the mould, prevent that the top movable rod from damaging the mould surface.
5. The utility model discloses in, the setting of connecting pipe and bolt, be favorable to the height of fixed protection piece, make things convenient for the mould to make work.
6. The utility model discloses in, slide rail, slider, the setting of second connecting rod and cup joint ring are favorable to removing the position of cup joint ring, conveniently remove work.
7. The utility model discloses in, the bed die, lift the setting of pole and lag, be favorable to lifting the bed die, conveniently carry out the bed die installation work.
8. The utility model discloses in, last mould, the setting of handheld pole and antiskid cover is favorable to lifting the mould, conveniently gets material work.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the structure of the bell-spigot lifting rod of the present invention.
Fig. 3 is a schematic structural view of the pluggable top moving block structure of the present invention.
Fig. 4 is a schematic structural diagram of the structure of the plug board capable of buffering according to the present invention.
In the figure:
1. a lower die; 2. an upper die; 3. a support bar; 4. a nut; 5. a first connecting rod; 6. a sleeved rod; 7. a lifting rod structure can be sleeved; 71. a hand-held lever; 72. a plastic sheath; 73. a slide rail; 74. a slider; 75. a second connecting rod; 76. a sleeving connection ring; 8. the structure of the movable block can be inserted; 81. a tension spring; 82. a plug rod; 83. a connecting pipe; 84. a bolt; 85. pushing the rod; 86. a protection block; 9. a cushioned pinboard structure; 91. a socket; 92. a buffer spring; 93. stainless steel balls; 94. a clamping and connecting plate; 95. a flat head screw; 96. connecting grooves; 10. a hexagonal socket bolt; 11. a hand-held wand; 12. an anti-slip sleeve; 13. lifting the rod; 14. a protective sleeve; 15. an asbestos pad.
Detailed Description
The present invention is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an automobile brake disc mold dismounting structure comprises a lower mold 1, an upper mold 2, a support rod 3, a nut 4, a first connecting rod 5, a sleeve rod 6, a sleeve lifting rod structure 7, a plug movable block structure 8, a cushion insertion plate structure 9, a hexagonal socket bolt 10, a hand-held rod 11, an anti-slip sleeve 12, a lifting rod 13, a protective sleeve 14 and an asbestos pad 15, wherein the lower end of the support rod 3 is welded on the left and right sides of the inner bottom end of the lower mold 1; the upper die 2 is sleeved on the outer wall of the upper end of the lower die 1; the nuts 4 are respectively in threaded connection with the upper parts of the outer walls of the support rods 3; the upper end of the supporting rod 3 respectively penetrates through the middle positions inside the left side and the right side of the upper die 2; the first connecting rods 5 are respectively welded at the left side and the right side of the upper end of the upper die 2; the sleeve connecting rods 6 are respectively welded on the upper parts of the front surfaces of the first connecting rods 5; the bell and spigot joint lifting rod structure 7 is arranged on the outer wall of the bell and spigot joint rod 6; the pluggable jacking block structures 8 are respectively arranged at the middle positions inside the left side and the right side of the lower die 1; the cushion plugboard structure 9 is arranged at the lower end of the lower die 1; the hexagonal socket bolts 10 respectively penetrate through the left side and the right side of the cushion plugboard structure 9 and are in threaded connection with the lower die 1; the handheld rods 11 are respectively welded at the left side and the right side of the upper die 2; the anti-skid sleeve 12 is sleeved on the outer wall of the handheld rod 11; the lifting rods 13 are respectively welded at the lower parts of the left side and the right side of the lower die 1; the protecting sleeves 14 are respectively sleeved on the outer walls of the lifting rods 13; the asbestos pad 15 is glued to the lower end of the lower die 1; the sleeved lifting rod structure 7 comprises a lifting rod 71, a plastic sleeve 72, a sliding rail 73, a sliding block 74, a second connecting rod 75 and a sleeved ring 76, wherein the plastic sleeve 72 is sleeved in the middle of the outer wall of the lifting rod 71; the slide rails 73 are respectively bolted on the left side and the right side of the lower end of the portable rod 71; the sliding block 74 is inserted in the sliding rail 73 in a sliding manner; the upper end of the second connecting rod 75 is welded at the middle position of the lower end of the sliding block 74; the socket rings 76 are respectively welded at the lower ends of the second connecting rods 75; during the use, with the installation of bed die 1 fixed, cup joint ring 76 and cup joint the outer wall at cup joint pole 6, grasp portable pole 71 and mention bed die 1 and last mould 2, move bed die 1 and last mould 2 to suitable position and carry out work, conveniently remove bed die 1 and go up mould 2 and carry out work in the position of difference.
In this embodiment, referring to fig. 3, the pluggable ejector block structure 8 includes a telescopic spring 81, an insertion rod 82, a connection pipe 83, a plug pin 84, an ejector rod 85 and a protection block 86, wherein the upper end of the insertion rod 82 is welded at the middle position of the lower end of the connection pipe 83; the lower end of the insertion rod 82 is inserted in the middle of the upper end of the telescopic spring 81; the lower end of the jacking rod 85 is inserted in the middle of the upper end of the connecting pipe 83; the bolt 84 is inserted in the middle position inside the connecting pipe 83; the protecting block 86 is glued to the upper end of the jacking rod 85; after the punching press is completed, the nut 4 is loosened, the bolt 84 is pulled out, the connecting pipe 83 is pushed to move upwards through the telescopic spring 81, the ejector rod 85 and the protection block 86 are driven to move upwards at the same time, the upper die 2 is pushed, and the die is conveniently disassembled and assembled.
In this embodiment, as shown in fig. 4, the insertion plate structure 9 capable of buffering includes an insertion seat 91, a buffer spring 92, a stainless steel ball 93, a clamping plate 94, a flat head screw 95 and a connecting groove 96, wherein the buffer spring 92 is respectively inserted into the middle positions of the left and right sides of the insertion seat 91; the stainless steel balls 93 are respectively inserted in the middle positions of the inner parts of the left side and the right side of the buffer spring 92; the flat head screws 95 respectively penetrate through the middle positions inside the clamping plates 94; the flat head screws 95 are respectively in threaded connection with the upper part and the lower part of the left side and the right side of the plug socket 91; the connecting grooves 96 are respectively arranged at the left side and the right side of the lower end of the socket 91; before working, the plug socket 91 is connected to the lower end of the lower die 1, the lifting rod 13 is grasped, and the plug socket 91 is lifted to be plugged in a proper position, so that the lower die 1 can be conveniently mounted and dismounted.
In this embodiment, specifically, the anti-slip sleeve 12 is a rubber sleeve with cross-shaped anti-slip lines on the outer wall; the protective sleeve 14 is a silica gel sleeve.
In this embodiment, specifically, the socket ring 76 is a stainless steel ring; the slide rail 73 is a U-shaped stainless steel slide rail with protrusions on the lower portions of the inner walls of the left side and the right side.
In this embodiment, specifically, the sleeving rings 76 are respectively sleeved on the outer walls of the sleeving rods 6.
In this embodiment, specifically, the protective block 86 is a rubber block with a rectangular cross section; the connecting pipe 83 is a stainless steel pipe.
In this embodiment, specifically, the extension springs 81 are respectively inserted into the bottom ends of the grooves formed in the left and right sides of the lower mold 1; the protection blocks 86 are respectively inserted into the top ends of the grooves formed in the left side and the right side of the lower die 1.
In this embodiment, the insertion socket 91 is a stainless steel socket having insertion grooves formed on the left and right sides thereof.
In this embodiment, specifically, the hexagon socket bolts 10 are respectively threaded through the connecting grooves 96 and connected to the left and right sides of the lower end of the lower mold 1.
Principle of operation
The utility model discloses in, during the use, it is fixed with the installation of bed die 1, cup joint ring 76 at the outer wall of cup jointing pole 6, grasp portable pole 71 and mention bed die 1 and last mould 2, move bed die 1 and last mould 2 to suitable position and carry out work, conveniently move bed die 1 and last mould 2 and carry out work in the position of difference, the punching press is accomplished the back, loosen nut 4, pull out bolt 84, promote connecting pipe 83 rebound through expanding spring 81, drive simultaneously ejector rod 85 and protection piece 86 rebound, promote mould 2, conveniently carry out mould dismouting work, before carrying out work, connect the lower extreme at bed die 1 with socket 91, it lifts socket 91 and pegs graft at suitable position to grasp and lift pole 13, conveniently carry out bed die 1 installation and dismantlement work, and then accomplish work.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. The automobile brake disc mold dismounting structure is characterized by comprising a lower mold (1), an upper mold (2), a supporting rod (3), a nut (4), a first connecting rod (5), a sleeving rod (6), a lifting rod structure (7), a pluggable jacking block structure (8), a buffable plugboard structure (9), a hexagonal socket bolt (10), a handheld rod (11), an anti-skidding sleeve (12), a lifting rod (13), a protecting sleeve (14) and an asbestos pad (15), wherein the lower end of the supporting rod (3) is welded on the left side and the right side of the inner bottom end of the lower mold (1) respectively; the upper die (2) is sleeved on the outer wall of the upper end of the lower die (1); the nuts (4) are respectively in threaded connection with the upper parts of the outer walls of the supporting rods (3); the upper end of the supporting rod (3) respectively penetrates through the middle positions of the inner parts of the left side and the right side of the upper die (2); the first connecting rods (5) are respectively welded at the left side and the right side of the upper end of the upper die (2); the sleeve connecting rods (6) are respectively welded on the upper parts of the front surfaces of the first connecting rods (5); the bell and spigot joint lifting rod structure (7) is arranged on the outer wall of the bell and spigot joint rod (6); the pluggable jacking block structures (8) are respectively arranged at the middle positions in the left and right sides of the lower die (1); the cushion plugboard structure (9) is arranged at the lower end of the lower die (1); the hexagonal socket bolts (10) respectively penetrate through the left side and the right side of the plug board structure (9) capable of buffering and are in threaded connection with the lower die (1); the handheld rods (11) are respectively welded on the left side and the right side of the upper die (2); the anti-skid sleeve (12) is sleeved on the outer wall of the handheld rod (11); the lifting rods (13) are respectively welded at the lower parts of the left side and the right side of the lower die (1); the protecting sleeves (14) are respectively sleeved on the outer walls of the lifting rods (13); the asbestos pad (15) is glued to the lower end of the lower die (1); the sleeved lifting rod structure (7) comprises a hand-held rod (71), a plastic sleeve (72), a sliding rail (73), a sliding block (74), a second connecting rod (75) and a sleeved ring (76), wherein the plastic sleeve (72) is sleeved in the middle of the outer wall of the hand-held rod (71); the sliding rails (73) are respectively connected to the left side and the right side of the lower end of the portable rod (71) through bolts; the sliding block (74) is inserted in the sliding rail (73) in a sliding manner; the upper end of the second connecting rod (75) is welded at the middle position of the lower end of the sliding block (74); the sleeve joint rings (76) are respectively welded at the lower ends of the second connecting rods (75).
2. The structure for disassembling and assembling the automobile brake disc mold according to claim 1, wherein the pluggable ejector block structure (8) comprises a telescopic spring (81), an insertion rod (82), a connecting pipe (83), a plug pin (84), an ejector rod (85) and a protection block (86), and the upper end of the insertion rod (82) is welded at the middle position of the lower end of the connecting pipe (83); the lower end of the insertion rod (82) is inserted in the middle of the inside of the upper end of the telescopic spring (81); the lower end of the jacking rod (85) is inserted in the middle of the upper end of the connecting pipe (83); the bolt (84) is inserted in the middle position inside the connecting pipe (83); the protective block (86) is glued to the upper end of the jacking rod (85).
3. The automobile brake disc mold dismounting structure according to claim 1, wherein the cushion insertion plate structure (9) comprises an insertion seat (91), a cushion spring (92), a stainless steel ball (93), a clamping plate (94), a flat head screw (95) and a connecting groove (96), wherein the cushion spring (92) is respectively inserted in the middle position of the inner parts of the left side and the right side of the insertion seat (91); the stainless steel balls (93) are respectively inserted in the middle positions of the inner parts of the left side and the right side of the buffer spring (92); the flat head screws (95) respectively penetrate through the middle positions inside the clamping and connecting plates (94); the flat head screws (95) are respectively in threaded connection with the upper part and the lower part of the left side and the right side of the plug socket (91); the connecting grooves (96) are respectively arranged at the left side and the right side of the lower end of the plug socket (91).
4. The automobile brake disc mold dismounting structure according to claim 1, wherein the anti-slip sleeve (12) is a rubber sleeve with cross-shaped anti-slip lines on the outer wall; the protective sleeve (14) is a silica gel sleeve.
5. The automobile brake disc mold dismounting structure according to claim 1, wherein the sleeve ring (76) is a stainless steel ring; the slide rail (73) adopts a U-shaped stainless steel slide rail with bulges at the lower parts of the inner walls of the left side and the right side.
6. The automobile brake disc mold dismounting structure according to claim 1, wherein the sleeving rings (76) are respectively sleeved on the outer walls of the sleeving rods (6).
7. The automobile brake disc mold dismounting structure according to claim 2, characterized in that the protective block (86) is a rubber block with a rectangular cross section; the connecting pipe (83) is a stainless steel pipe.
8. The automobile brake disc mold dismounting structure according to claim 2, wherein the extension springs (81) are respectively inserted at the bottom ends of grooves formed in the left and right sides of the lower mold (1); the protection blocks (86) are respectively inserted at the top ends of grooves formed in the left side and the right side of the lower die (1).
9. The automobile brake disc mold dismounting structure according to claim 3, wherein the plug socket (91) is a stainless steel socket with plug grooves formed on the left and right sides.
10. The automobile brake disc mold dismounting structure according to claim 3, characterized in that the hexagonal socket bolts (10) are respectively threaded through the connecting grooves (96) and connected to the left and right sides of the lower end of the lower mold (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822089572.8U CN210131983U (en) | 2018-12-12 | 2018-12-12 | Automobile brake disc mould dismouting structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822089572.8U CN210131983U (en) | 2018-12-12 | 2018-12-12 | Automobile brake disc mould dismouting structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210131983U true CN210131983U (en) | 2020-03-10 |
Family
ID=69701702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822089572.8U Expired - Fee Related CN210131983U (en) | 2018-12-12 | 2018-12-12 | Automobile brake disc mould dismouting structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210131983U (en) |
-
2018
- 2018-12-12 CN CN201822089572.8U patent/CN210131983U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211136921U (en) | Clamping device with self-centering function for repairing automobile hub | |
CN205439811U (en) | Automobile tire dismounting device | |
CN208264178U (en) | A kind of bumper with reducing impact force | |
CN206352027U (en) | Tool trolley with tire lifting mechanism | |
CN211250034U (en) | Mechanical manipulator convenient to disassemble and assemble | |
CN210131983U (en) | Automobile brake disc mould dismouting structure | |
CN207971894U (en) | Racing car gear Quick-disassembling tool | |
CN2611091Y (en) | Means for tearing-down pin shaft | |
CN211765567U (en) | Coupler buffer dismounting device | |
CN213915727U (en) | Stamping die structure with sweeps are clear away and are blown structure | |
CN111267895B (en) | Dismounting device and dismounting method for coupler buffer | |
CN218226378U (en) | Railway brake unit assembly and disassembly tools | |
CN210253659U (en) | Clamping type inner ejector for automobile recess restoration | |
CN211135773U (en) | Engraving device of model and mark for square steel processing | |
CN114952706B (en) | Special equipment vehicle suspension pin dismounting and mounting device | |
CN208163021U (en) | A kind of tightening device controlling four tightening axles simultaneously using variable-position cylinder | |
CN212470989U (en) | Slag removing device for cleaning inner wall of jack | |
CN205043426U (en) | Work systems handling device behind road sweeper | |
CN219314466U (en) | Hydraulic lifting platform convenient to detach | |
CN214720066U (en) | Aviation part stamping die liftout mechanism | |
CN201046557Y (en) | Air conditioner erector | |
CN220296945U (en) | Mounting fixture is used in car glass processing | |
CN215621785U (en) | Mounting structure of plaque in car stand | |
CN211808826U (en) | Tire supporting device for automobile repair | |
CN218857774U (en) | Mechanical stamping device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200310 Termination date: 20211212 |
|
CF01 | Termination of patent right due to non-payment of annual fee |