CN111842593A - Automatic centrifugal rapid stamping equipment - Google Patents
Automatic centrifugal rapid stamping equipment Download PDFInfo
- Publication number
- CN111842593A CN111842593A CN202010733129.9A CN202010733129A CN111842593A CN 111842593 A CN111842593 A CN 111842593A CN 202010733129 A CN202010733129 A CN 202010733129A CN 111842593 A CN111842593 A CN 111842593A
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- Prior art keywords
- fixedly arranged
- centrifugal
- feeding
- rod
- cavity
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
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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
- 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
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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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses an automatic centrifugal rapid stamping device, which comprises a machine body, wherein a rotating cavity is arranged in the machine body, a feeding cavity is arranged on the upper side of the rotating cavity, an output port is fixedly arranged on the lower side of the rotating cavity, a main motor is fixedly arranged on the lower side of the machine body, the power of the main motor is connected with a motor shaft, a driving rod is fixedly arranged on the motor shaft, a connecting rod is fixedly arranged on the driving rod, a lower chute is fixedly arranged on the lower side wall of the rotating cavity, an upper chute is fixedly arranged on the upper side wall of the rotating cavity, a centrifugal body sliding in the lower chute and the upper chute is fixedly arranged on the upper side of the connecting rod, a centrifugal cavity is arranged in the centrifugal body, a driving rotating shaft is fixedly arranged on the upper side of the centrifugal body, an outer shell is fixedly arranged on the right side wall of the machine body, a feeding device for placing stamping materials is arranged on the right upper side of, the potential safety hazard in the processing is reduced, the processing speed is high, and the processing efficiency is increased.
Description
Technical Field
The invention relates to the field of metal stamping equipment, in particular to automatic centrifugal rapid stamping equipment.
Background
At present, with the development of society, metal products are spread throughout people's lives, with the continuous development of metal processing industry, various processing technologies are mature continuously, and among them, the metal stamping technology is an important technology in metal manufacturing, metal stamping is a manufacturing process for forming a metal plate into a workpiece with a three-dimensional size shape by using a metal stamping die or a series of metal stamping dies, metal stamping can form the metal plate very efficiently, an existing stamping machine can only stamp one workpiece independently, and cannot stamp a plurality of workpieces simultaneously, so that the workpiece processing efficiency cannot be improved, and potential safety hazards of workers exist during workpiece feeding.
Disclosure of Invention
Aiming at the technical defects, the invention provides automatic centrifugal rapid stamping equipment which can overcome the defects.
The invention relates to automatic centrifugal rapid stamping equipment which comprises a machine body, wherein a rotating cavity is arranged in the machine body, a feeding cavity is arranged on the upper side of the rotating cavity, an output port is fixedly arranged on the lower side of the rotating cavity, a main motor is fixedly arranged on the lower side of the machine body, the power of the main motor is connected with a motor shaft, a driving rod is fixedly arranged on the motor shaft, a connecting rod is fixedly arranged on the driving rod, a lower chute is fixedly arranged on the lower side wall of the rotating cavity, an upper chute is fixedly arranged on the upper side wall of the rotating cavity, a centrifugal body which slides in the lower chute and the upper chute is fixedly arranged on the upper side of the connecting rod, a centrifugal cavity is arranged in the centrifugal body, a driving rotating shaft is fixedly arranged on the upper side of the centrifugal body, an outer shell is fixedly arranged on the right side wall of;
the feeding device comprises a feeding hole fixedly arranged on the upper side of the machine body, the right side wall of the feeding hole is connected with a slide rod in a sliding manner, a feeding sliding plate is fixedly arranged on the slide rod, a feeding spring is connected between the feeding sliding plate and the right side wall of the feeding hole, the lower side of the feeding sliding plate is connected with a rotating block in a rotating manner, a stop block abutted against the rotating block is fixedly arranged in the feeding sliding plate, a small pin shaft is hinged between the rotating block and the feeding sliding plate, a feeding groove is fixedly arranged in the outer shell and the machine body, a spring plate is connected in the feeding groove in a sliding manner, and a raw material spring is connected between the spring plate and the right side wall of the feeding groove; the feeding device for placing the raw materials is arranged in the feeding cavity, and the stamping device for stamping forming is arranged on the lower side of the machine body.
Preferably, the initiative pivot has set firmly and has rotated the wheel, it has set firmly four circumference distribution's rotary rod to rotate to take turns, material loading chamber downside has set firmly the backup pad, the backup pad has set firmly the support column, the rotary rod is in slide on the support column, every raw materials groove piece has set firmly in the backup pad, be equipped with raw materials groove in the raw materials groove piece, the right side raw materials groove with go up the silo and communicate with each other.
Preferably, feed arrangement includes fixed mounting and is in the solid fixed ring of lateral wall on the material loading chamber, material loading chamber downside wall has set firmly the bell, the side wall has set firmly the feed inlet on the centrifugal chamber, the feed inlet with fixed pipeline has set firmly between the bell, the centrifugal body lateral wall has set firmly the electric pusher three that four circumference distribute, three power connection of electric pusher have catch bar three, fixed die plate has set firmly on the catch bar three, the centrifugal body lateral wall has set firmly the electric pusher two that four circumference distribute, two power connection of electric pusher have catch bar two, catch bar two has set firmly and has promoted a second.
Preferably, the punching device includes a central column fixedly installed in the centrifugal cavity, four fixing rods distributed circumferentially are fixedly arranged on the central column, a centrifugal rod is slidably connected in each fixing rod, a centrifugal spring is connected between each centrifugal rod and the corresponding fixing rod, a gravity block is fixedly arranged in each gravity block, a movable template is fixedly arranged on each centrifugal rod, a first electric pusher distributed circumferentially is fixedly arranged on the lower side wall of the centrifugal cavity, a first pushing rod is dynamically connected with the first electric pusher, a first pushing block is fixedly arranged on the first pushing rod, a clamping block is slidably connected to the lower side of each centrifugal rod, a clamping block spring is connected between each clamping block and the corresponding centrifugal rod, each clamping block is in contact with the corresponding first pushing block, and a discharge port communicated with the output port is fixedly arranged on the lower side wall of the centrifugal cavity.
The beneficial effects are that: the utility model provides an automatic centrifugation fast stamping equipment, wherein loading attachment only needs to put into the raw materials in feed inlet department, need not the dangerous part of workman contact punching press, feed arrangement can be automatically put into the punching press device with the raw materials, punching press device can carry out stamping processing to the raw materials fast, can control the stamping processing of four raw materials respectively, and automatic discharging after accomplishing, this equipment can be automatic fast with raw materials stamping forming, need not workman manually operation, the potential safety hazard in the processing has been reduced, and process velocity is fast, and the machining efficiency is increased.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the whole of an automatic centrifugal rapid stamping apparatus according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of the invention at C of FIG. 1;
fig. 5 is a partial enlarged view of the invention at D in fig. 1.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an automatic centrifugal rapid stamping device, which comprises a machine body 10, wherein a rotating cavity 67 is arranged in the machine body 10, a feeding cavity 66 is arranged on the upper side of the rotating cavity 67, an output port 13 is fixedly arranged on the lower side of the rotating cavity 67, a main motor 11 is fixedly arranged on the lower side of the machine body 10, the main motor 11 is in power connection with a motor shaft 12, a driving rod 60 is fixedly arranged on the motor shaft 12, a connecting rod 61 is fixedly arranged on the driving rod 60, a lower chute 29 is fixedly arranged on the lower side wall of the rotating cavity 67, an upper chute 30 is fixedly arranged on the upper side wall of the rotating cavity 67, a centrifugal body 14 which slides in the lower chute 29 and the upper chute 30 is fixedly arranged on the upper side of the connecting rod 61, a centrifugal cavity 65 is arranged in the centrifugal body 14, a driving rotating shaft 15 is fixedly arranged on the upper side wall of the centrifugal body 14, an outer shell 39 is fixedly arranged on the right side of the machine body 10, the feeding device 70 comprises a feeding port 52 fixedly installed at the upper side of the machine body 10, a sliding rod 46 is slidably connected to the right side wall of the feeding port 52, a feeding sliding plate 48 is fixedly arranged on the sliding rod 46, a feeding spring 47 is connected between the feeding sliding plate 48 and the right side wall of the feeding opening 52, a rotating block 51 is rotatably connected to the lower side of the feeding sliding plate 48, a stop block 49 abutting against the rotating block 51 is fixedly arranged in the feeding sliding plate 48, a small pin shaft 50 is hinged between the rotating block 51 and the feeding sliding plate 48, a feeding trough 56 is fixedly arranged in the outer shell 39 and the machine body 10, a spring plate 41 is connected in the feeding groove 56 in a sliding manner, a raw material spring 40 is connected between the spring plate 41 and the right side wall of the feeding groove 56, a feeding device 68 for placing raw materials is arranged in the feeding cavity 66, and a stamping device 69 for stamping forming is arranged on the lower side of the machine body 10.
Advantageously, a rotating wheel 17 is fixedly arranged on the driving rotating shaft 15, four rotating rods 35 are fixedly arranged on the rotating wheel 17, four supporting plates 36 are fixedly arranged on the lower side of the feeding cavity 66, supporting columns 37 are fixedly arranged on the supporting plates 36, the rotating rods 35 slide on the supporting columns 37, a raw material groove block 38 is fixedly arranged on each supporting plate 36, a raw material groove 57 is arranged in each raw material groove block 38, the raw material groove 57 on the right side is communicated with the feeding groove 56, so that raw material is put into the feeding opening 52, the material pushes the feeding sliding plate 48 to move to the right, the sliding rod 46 moves to the right, the feeding spring 47 is compressed, the raw material falls into the feeding groove 56, the rotating block 51 moves to the right along with the feeding sliding plate 48, the rotating block 51 is blocked by the block 49 and cannot rotate clockwise, and the main motor 11 of the 5 pushes the raw material in the feeding groove 56, the spring plate 41 is moved to the right, the stock spring 40 is compressed, the loading chute 56 is emptied into position, the stock just inserted is moved into the loading chute 56, and the stock spring 40 pushes the spring plate 41 and stock to move the stock to the left into the stock chute 57.
Advantageously, the feeding device 68 includes a fixing ring 45 fixedly mounted on the upper side wall of the feeding cavity 66, a conical opening 44 is fixedly mounted on the lower side wall of the feeding cavity 66, a feeding opening 42 is fixedly mounted on the upper side wall of the centrifugal cavity 65, a fixing pipe 43 is fixedly mounted between the feeding opening 42 and the conical opening 44, four circumferentially distributed electric actuators three 58 are fixedly mounted on the side wall of the centrifugal body 14, the electric actuators three 58 are in power connection with a pushing rod three 59, a fixing template 34 is fixedly mounted on the pushing rod three 59, four circumferentially distributed electric actuators two 31 are fixedly mounted on the side wall of the centrifugal body 14, the electric actuators two 31 are in power connection with a pushing rod two 32, a pushing block two 33 is fixedly mounted on the pushing rod two 32, so that the main motor 11 is started, the motor shaft 12 rotates to drive the driving rod 60 and the connecting rod 61 to rotate the centrifugal body 14, the initiative pivot 15 rotates, drives rotate wheel 17 with the rotary rod 35 is rotatory, drives raw materials groove block 38 is rotatory, raw materials in the raw materials groove 57 is rotatory thereupon, raw materials groove block 38 with centrifugal body 14 synchronous revolution, four push the raw materials in proper order in the raw materials groove 57, and by solid fixed ring 45 blocks, the raw materials whereabouts passes through cone-shaped mouth 44 gets into in the fixed pipeline 43, continue the whereabouts to pass through feed inlet 42 gets into in the centrifugal cavity 65, start two 31 of electric pushers drive two 32 of catch bars with two 33 of catch bars remove, through removing the position of catch bar two 33 changes the whereabouts position of raw materials.
Advantageously, the punching device 69 includes a central pillar 16 fixedly installed in the centrifugal cavity 65, four circumferentially distributed fixing rods 18 are fixedly installed on the central pillar 16, a centrifugal rod 20 is slidably connected in each fixing rod 18, a centrifugal spring 19 is connected between the centrifugal rod 20 and the fixing rod 18, a gravity block 26 is fixedly installed in each gravity block 26, a movable mold plate 27 is fixedly installed on each centrifugal rod 20, four circumferentially distributed electric actuators one 21 are fixedly installed on the lower side wall of the centrifugal cavity 65, the electric actuators one 21 are dynamically connected with a push rod one 22, a push block one 23 is fixedly installed on the push rod one 22, a clamping block 24 is slidably connected on the lower side of each centrifugal rod 20, a clamping block spring 25 is connected between the clamping block 24 and the centrifugal rod 20, each clamping block 24 is in contact with the corresponding push block one 23, a discharging port 28 communicated with the discharging port 13 is fixedly installed on the lower side wall of the centrifugal cavity 65, so that when the centrifugal body 14 rotates, the raw material enters the centrifugal cavity 65 and abuts against the second pushing block 33, the centrifugal rod 20 rotates, the centrifugal rod 20 generates centrifugal force when the gravity block 26 generates centrifugal force, so that the centrifugal rod 20 tends to move outward, when the first electric thruster 21 is started, the first pushing rod 22 drives the first pushing block 23 to ascend, so as to push the latch 24 to ascend, the latch spring 25 is compressed, the latch 24 enters the centrifugal rod 20, the centrifugal rod 20 is driven by the gravity block 26 to move outward rapidly, so as to impact the raw material, the centrifugal spring 19 is stretched, the raw material is molded between the movable die plate 27 and the fixed die plate 34, after that, the third electric thruster 58 is started, the third pushing rod 59 drives the fixed die plate 34 to move, so as to push out the stamping part, and control the second electric thruster 31, and the second pushing rod 32 and the second pushing block 33 are reset, the channel of the feed opening 28 is opened, the stamping part falls into the output port 13, the stamping part is discharged, the centrifugal rod 20 is reset by the centrifugal spring 19, and the fixture block 24 is reset by the fixture block spring 25.
In the initial state, the main motor 11, the first electric pusher 21, the second electric pusher 31 and the third electric pusher 58 are not activated, the second pushing block 33 is in the centrifugal body 14, and the clamping block 24 is between the centrifugal rod 20 and the fixing rod 18.
When the machine starts to work, raw materials are put into the material inlet 52, the materials push the feeding sliding plate 48 to move rightwards, the sliding rod 46 moves rightwards, the feeding spring 47 is compressed, the raw materials fall into the feeding groove 56, the rotating block 51 moves rightwards along with the feeding sliding plate 48, the rotating block 51 is blocked by the block 49 and cannot rotate clockwise, 5, the main motor 11 pushes the raw materials in the feeding groove 56, the spring plate 41 moves rightwards, the raw material spring 40 is compressed, the feeding groove 56 is in a hollow position, the raw materials which are just put into the feeding groove 56 enter the feeding groove, the raw material spring 40 pushes the spring plate 41 and the raw materials, the raw materials move leftwards into the raw material groove 57, the main motor 11 is started, the motor shaft 12 rotates to drive the driving rod 60 and the connecting rod 61 to rotate, the centrifugal body 14 rotates, the driving rotating shaft 15 rotates, the rotating wheel 17 and the rotating rod 35 rotate, the raw material groove block 38 rotates, the raw materials in the raw material groove 57 rotate along with the raw materials, the, the raw materials are sequentially pushed into the four raw material grooves 57 and are blocked by the fixing ring 45, the raw materials fall through the tapered opening 44, enter the fixing pipeline 43, continuously fall through the feed opening 42 and enter the centrifugal cavity 65, the second electric pusher 31 is started to drive the second push rod 32 and the second push block 33 to move, the falling position of the raw materials is changed by moving the position of the second push block 33, when the centrifugal body 14 rotates, the raw materials enter the centrifugal cavity 65 and abut against the second push block 33, the centrifugal rod 20 rotates, the centrifugal rod 20 generates centrifugal force when the gravity block 26 generates centrifugal force, the centrifugal rod 20 generates an outward movement trend, when the first electric pusher 21 is started, the first push rod 22 drives the first push block 23 to lift, the fixture block 24 lifts, the fixture spring 25 is compressed, the fixture block 24 enters the centrifugal rod 20, the centrifugal rod 20 is driven by the gravity block 26 to rapidly move outwards to impact the raw materials, the centrifugal spring 19 is stretched, the raw materials are formed between the movable die plate 27 and the fixed die plate 34, after the forming is completed, the third electric pusher 58 is started, the third push rod 59 drives the fixed die plate 34 to move, a stamping part is pushed out, the second electric pusher 31 is controlled, the second push rod 32 and the second push block 33 are reset, a channel of the blanking port 28 is opened, the stamping part falls into the output port 13, the stamping part is discharged, the centrifugal spring 19 enables the centrifugal rod 20 to reset, and the fixture spring 25 enables the fixture block 24 to reset.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides an automatic quick stamping equipment of centrifugation, includes the organism, its characterized in that: a rotary cavity is arranged in the machine body, a feeding cavity is arranged on the upper side of the rotary cavity, an output port is fixedly arranged on the lower side of the rotary cavity, a main motor is fixedly arranged on the lower side of the machine body, the power of the main motor is connected with a motor shaft, a driving rod is fixedly arranged on the motor shaft, a connecting rod is fixedly arranged on the driving rod, a lower chute is fixedly arranged on the lower side wall of the rotary cavity, an upper chute is fixedly arranged on the upper side wall of the rotary cavity, a centrifugal body which slides in the lower chute and the upper chute is fixedly arranged on the upper side of the connecting rod, a centrifugal cavity is arranged in the centrifugal body, a driving rotating shaft is fixedly arranged on the upper side of the centrifugal body, an outer shell is fixedly arranged on the right side wall of the machine; the feeding device comprises a feeding hole fixedly arranged on the upper side of the machine body, the right side wall of the feeding hole is connected with a slide rod in a sliding manner, a feeding sliding plate is fixedly arranged on the slide rod, a feeding spring is connected between the feeding sliding plate and the right side wall of the feeding hole, the lower side of the feeding sliding plate is connected with a rotating block in a rotating manner, a stop block abutted against the rotating block is fixedly arranged in the feeding sliding plate, a small pin shaft is hinged between the rotating block and the feeding sliding plate, a feeding groove is fixedly arranged in the outer shell and the machine body, a spring plate is connected in the feeding groove in a sliding manner, and a raw material spring is connected between the spring plate and the right side wall of the feeding groove; the feeding device for placing the raw materials is arranged in the feeding cavity, and the stamping device for stamping forming is arranged on the lower side of the machine body.
2. The automatic centrifugal rapid stamping apparatus of claim 1, wherein: the initiative pivot has set firmly and has rotated the wheel, it has set firmly the rotary rod that four circumference distribute to rotate to take turns, material loading chamber downside has set firmly the backup pad, the support column has set firmly in the backup pad, the rotary rod is in slide on the support column, every raw materials groove piece has set firmly in the backup pad, be equipped with raw materials groove in the raw materials groove piece, the right side raw materials groove with go up the silo and communicate with each other.
3. The automatic centrifugal rapid stamping apparatus of claim 1, wherein: the feeding device comprises a fixed ring fixedly arranged on the upper side wall of the feeding cavity, a conical opening is fixedly formed in the lower side wall of the feeding cavity, a feeding hole is fixedly formed in the upper side wall of the centrifugal cavity, a fixed pipeline is fixedly arranged between the feeding hole and the conical opening, the side wall of the centrifugal body is fixedly provided with three electric pushers distributed on four circumferences, three power connections of the electric pushers are provided with three push rods, three fixed templates are fixedly arranged on the push rods, the side wall of the centrifugal body is fixedly provided with two electric pushers distributed on four circumferences, the two power connections of the electric pushers are provided with two push rods, and the two push rods are fixedly provided with two push blocks.
4. The automatic centrifugal rapid stamping apparatus of claim 1, wherein: the punching device comprises a central column fixedly installed in the centrifugal cavity, four fixing rods distributed in the circumference are fixedly arranged on the central column, a centrifugal rod is connected in each fixing rod in a sliding mode, a centrifugal spring is connected between each centrifugal rod and each fixing rod, a gravity block is fixedly arranged in each gravity block, a movable template is fixedly arranged on each centrifugal rod, a first electric thruster distributed in the circumference is fixedly arranged on the lower side wall of the centrifugal cavity, a first push rod is dynamically connected with the first electric thruster, a first push block is fixedly arranged on each first push rod, a clamping block is slidably connected to the lower side of each centrifugal rod, a clamping block spring is connected between each clamping block and each centrifugal rod, each clamping block is in contact with the corresponding first push block, and a discharge port communicated with a discharge port is fixedly arranged on the lower side wall of the centrifugal cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010733129.9A CN111842593A (en) | 2020-07-27 | 2020-07-27 | Automatic centrifugal rapid stamping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010733129.9A CN111842593A (en) | 2020-07-27 | 2020-07-27 | Automatic centrifugal rapid stamping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111842593A true CN111842593A (en) | 2020-10-30 |
Family
ID=72947882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010733129.9A Withdrawn CN111842593A (en) | 2020-07-27 | 2020-07-27 | Automatic centrifugal rapid stamping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111842593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815108A (en) * | 2021-09-24 | 2021-12-21 | 湖北汇缘达新材料有限公司 | Novel concrete suspension roller machine and using method |
-
2020
- 2020-07-27 CN CN202010733129.9A patent/CN111842593A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815108A (en) * | 2021-09-24 | 2021-12-21 | 湖北汇缘达新材料有限公司 | Novel concrete suspension roller machine and using method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201030 |
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| WW01 | Invention patent application withdrawn after publication |