CN215750310U - Novel plastic manufacturing use quick cooling device - Google Patents
Novel plastic manufacturing use quick cooling device Download PDFInfo
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- CN215750310U CN215750310U CN202121848992.5U CN202121848992U CN215750310U CN 215750310 U CN215750310 U CN 215750310U CN 202121848992 U CN202121848992 U CN 202121848992U CN 215750310 U CN215750310 U CN 215750310U
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- cooling device
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- 238000001816 cooling Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a novel rapid cooling device for plastic manufacturing, which structurally comprises a support frame and a shifting device, namely, the left and right reciprocating driving movement of the pushing frame can be realized through the matching of the cam and the roller, the poking plate can realize the reciprocating swinging poking movement to realize the pushing of the plastic products under the reciprocating movement of the pushing frame, and the poking plate can be ensured to be quickly reset under the matching of the pressure spring, thereby achieving the advantages of stirring the cooling plastic products and avoiding the occurrence of bonding phenomenon, and the upper end of the mounting shell is provided with the adjusting component, namely, under the threaded fit of the screw rod and the sleeve, the sleeve can drive the mounting shell to move downwards, so that the poking height of the poking plate can be quickly adjusted, under the matching of the outer pipe and the inner pipe, the stability of downward movement of the sleeve can be ensured, so that the advantages of rapid adjustment of the shifting height and improvement of the usability of the shifting device are achieved.
Description
Technical Field
The utility model relates to the technical field of plastic manufacturing, in particular to a novel rapid cooling device for plastic manufacturing.
Background
The plastic is seen everywhere in our daily life, because the price of the plastic itself is cheaper and the toughness is better, the plastic is widely popularized and used, but in the plastic manufacturing process, because the temperature of the mold formed just after die casting is still higher, the plastic cannot be put into the next process immediately, and therefore the plastic needs to be cooled to realize the cooling forming and reinforcing activities of the plastic products.
At present, when the cooling device for plastic manufacturing is used, air cooling and water cooling are matched to realize rapid cooling of plastic products, but in the cooling process of the plastic products, the products are easily bonded with conveying equipment, so that the phenomenon of blocking is caused when subsequent discharging is caused, and the whole cooling device is easily damaged.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art not enough, present a neotype quick cooling device for plastic manufacturing, when having solved the use of carrying out plastic manufacturing cooling device, adopt forced air cooling and water-cooling cooperation, realize the swift cooling activity of plastic products, but in plastic products cooling process, goods bond with conveying equipment easily, when leading to follow-up ejection of compact, take place blocking phenomenon, still cause the problem of the holistic damage of cooling device simultaneously easily, it stirs to reach the cooling plastic products, avoid taking place the effect of bonding phenomenon.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a novel rapid cooling device for plastic manufacturing, which comprises a support frame and a stirring device, wherein a direct current motor is arranged on the right side of the upper end of the support frame, the rear side of the direct current motor is connected with a conveyor, the conveyor is arranged in the upper end of the support frame, a protective cover is arranged at the upper end of the middle part of the support frame, cooling fans are arranged on the left side and the right side of the top of the protective cover, a water tank is arranged in the middle of the upper end of the protective cover, a water pump is arranged on the right side in the water tank, the lower end of the water pump is connected with a conveying pipe, a plurality of atomizing spray heads are arranged on the outer surface of the left side of the conveying pipe at equal intervals, the stirring device is arranged on the left side of the protective cover and comprises a shell, an installation shell, a motor, a cam, a roller, a pushing frame, a stirring plate, a pressure spring and an adjusting assembly, the right side of the shell is fixedly connected with the protective cover, and the installation shell is arranged at the lower end in the shell, the installation shell right side is inside to be provided with the motor to the motor front side is connected with the cam, the cam right side is laminated mutually with the gyro wheel, and the gyro wheel rotates with the promotion frame right side to be connected, promote frame left side and stirring board sliding connection to it is provided with the pressure spring to promote frame left side surface, stirring board upper end rotates with the installation shell to be connected, adjusting part sets up in the installation shell upper end.
Further, adjusting part includes gear motor, screw rod, sleeve pipe, outer tube and inner tube, gear motor is connected with shell upper end middle part to the gear motor lower extreme is connected with the screw rod, screw rod lower extreme and sleeve pipe threaded connection to sleeve pipe lower extreme and installation shell fixed connection, outer tube upper end is pegged graft mutually with sleeve pipe left side upper end to the inside inner tube that has pegged graft mutually of outer tube.
Furthermore, the lower ends of the outer shell and the mounting shell are not closed, and the mounting shell is integrally concave and stereoscopic.
Further, the cam outside is smooth not have the barb to the anti-skidding line has been seted up with laminating the gyro wheel outside mutually in the cam right side.
Furthermore, the pushing frame and the pressure spring are arranged in the same horizontal straight line, and the middle part of the left side of the pushing frame is in sliding insertion connection with the installation shell.
Furthermore, a groove is formed in the sliding connection position of the poking plate and the pushing frame, and the inner wall of the groove formed in the poking plate is smooth.
Further, the screw rod, the sleeve pipe, the outer pipe and the inner pipe are all vertically arranged, and the screw rod and the sleeve pipe as well as the outer pipe and the inner pipe are oppositely arranged left and right.
Furthermore, the whole inner tube is smooth cylindrical, and the diameter of the bottom end face of the inner tube is larger than that of the upper end face of the inner tube.
Furthermore, the screw rod is made of stainless steel.
Furthermore, the sleeve is made of forged steel.
(III) advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
the method has the advantages that: according to the novel rapid cooling device for plastic manufacturing, the poking device is arranged, namely, the left and right reciprocating driving movement of the pushing frame can be realized through the matching of the cam and the roller, the poking plate can realize the reciprocating swinging poking movement along with the reciprocating movement of the pushing frame so as to realize the pushing of plastic products, and the poking plate can be ensured to be rapidly reset through the matching of the pressure spring, so that the advantages of poking the cooled plastic products and avoiding the occurrence of a bonding phenomenon are achieved.
The method has the advantages that: according to the novel rapid cooling device for plastic manufacturing, the adjusting assembly is arranged at the upper end of the mounting shell, namely the sleeve can drive the mounting shell to move downwards under the threaded fit of the screw rod and the sleeve, so that the rapid adjustment of the shifting height of the shifting plate is realized, and the downward movement stability of the sleeve can be ensured under the fit of the outer pipe and the inner pipe, so that the advantages of rapid adjustment of the shifting height and improvement of the usability of the shifting device are achieved.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic view of the front view of the inner structure of the toggle device of the present invention;
FIG. 4 is a front sectional view of the mounting housing of the present invention;
FIG. 5 is a schematic perspective view of a toggle apparatus according to the present invention;
fig. 6 is a schematic front sectional view of the adjusting assembly of the present invention.
In the figure: the device comprises a support frame-1, a direct current motor-2, a conveyor-3, a protective cover-4, a cooling fan-5, a water tank-6, a water pump-7, a conveying pipe-8, an atomizing nozzle-9, a toggle device-10, a shell-101, an installation shell-102, a motor-103, a cam-104, a roller-105, a pushing frame-106, a toggle plate-107, a pressure spring-108, a regulating component-109, a speed reducing motor-1091, a screw-1092, a sleeve-1093, an outer pipe-1094 and an inner pipe-1095.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the utility model provides a novel rapid cooling device for plastic manufacturing through improvement, which comprises a support frame 1 and a shifting device 10, wherein a direct current motor 2 is installed on the right side of the upper end of the support frame 1, the rear side of the direct current motor 2 is connected with a conveyor 3, the conveyor 3 is arranged inside the upper end of the support frame 1, a protective cover 4 is arranged at the upper end of the middle part of the support frame 1, cooling fans 5 are arranged on the left side and the right side of the top of the protective cover 4, a water tank 6 is arranged in the middle of the upper end of the protective cover 4, a water pump 7 is installed on the right side inside the water tank 6, the lower end of the water pump 7 is connected with a conveying pipe 8, and a plurality of atomizing nozzles 9 are arranged on the outer surface of the left side of the conveying pipe 8 at equal intervals.
Referring to fig. 3, 4 and 5, the utility model provides a novel rapid cooling device for plastic manufacturing by improvement, a toggle device 10 is disposed at the left side of a protective cover 4, the toggle device 10 comprises a housing 101, a mounting shell 102, a motor 103, a cam 104, a roller 105, a pushing frame 106, a toggle plate 107, a pressure spring 108 and an adjusting assembly 109, the right side of the housing 101 is tightly connected with the protective cover 4, the mounting shell 102 is disposed at the lower end inside the housing 101, so that the housing 101 and the mounting shell 102 respectively realize rapid protection of internal parts, the motor 103 is disposed inside the right side of the mounting shell 102, the front side of the motor 103 is connected with the cam 104, the right side of the cam 104 is attached with the roller 105, the roller 105 is rotatably connected with the right side of the pushing frame 106, so that the cam 104 and the roller 105 realize smooth driving movement, the left side of the pushing frame 106 is slidably connected with the toggle plate 107, and the outer surface of the left side of the pushing frame 106 is provided with the pressure spring 108, the pressure spring 108 realizes elastic resilience activity, the upper end of the poking plate 107 is rotatably connected with the mounting shell 102, the adjusting assembly 109 is arranged at the upper end of the mounting shell 102, poking height quick adjustment is realized through the adjusting assembly 109, the lower ends of the outer shell 101 and the mounting shell 102 are not closed, the mounting shell 102 is integrally concave and three-dimensional, quick mounting of internal parts is realized through the mounting shell 102, the outer side of the cam 104 is smooth and has no barbs, anti-slip lines are arranged on the right side of the cam 104 and the outer side of the roller 105 which is attached to the right side of the cam 104, the attachment of the cam 104 and the roller 105 is firmer, the pushing frame 106 and the pressure spring 108 are arranged in the same horizontal straight line, the middle part of the left side of the pushing frame 106 is in sliding insertion connection with the mounting shell 102, the pushing frame 106 is matched with the pressure spring 108 to realize stable reciprocating pushing activity, a groove is formed at the sliding connection part of the poking plate 107 and the pushing frame 106, and the inner wall of the poking plate 107 is smooth, so that the toggling plate 107 can be toggled smoothly.
Referring to fig. 6, the utility model provides a novel rapid cooling device for plastic manufacturing by improvement, the adjusting assembly 109 includes a speed reduction motor 1091, a screw 1092, a sleeve 1093, an outer tube 1094 and an inner tube 1095, the speed reduction motor 1091 is connected to the middle of the upper end of the housing 101, the lower end of the speed reduction motor 1091 is connected to the screw 1092, the lower end of the screw 1092 is connected to the sleeve 1093 by screw threads, the lower end of the sleeve 1093 is fixedly connected to the mounting housing 102, so that the screw 1092 and the sleeve 1093 realize screw thread adjusting driving activity, the upper end of the outer tube 1094 is connected to the upper end of the left side of the sleeve 1093 by plug, the inner tube 1095 is connected to the inside of the outer tube 1094 by plug, so that the outer tube 1094 and the inner tube 1095 realize matching guiding activity, the screw 1092, the sleeve 1093, the outer tube 1094 and the inner tube 1095 are vertically arranged, and the screw 1092 and the outer tube 1093 and the inner tube 1095 are arranged oppositely left and right, the inner tube 1095 is smooth and cylindrical as a whole, and the diameter of the bottom end face of the inner tube 1095 is larger than that of the upper end face of the inner tube 1095, so that the inner tube 1095 realizes telescopic auxiliary guiding movement along the inner tube 1095, the screw 1092 is made of stainless steel, and the sleeve 1093 is made of forged steel.
The screw 1092 described in this patent: the screw rod has different heads, like the head in the picture called outer hexagonal screw rod, and other heads, such as large flat screw rod, inner hexagonal screw rod, etc.
The novel rapid cooling device for plastic manufacturing has the following working principle;
firstly, when the plastic product needs to be cooled, the direct current motor 2 arranged on the right side of the upper end of the support frame 1 can be operated to enable the direct current motor 2 to drive the conveyor 3 arranged inside the upper end of the support frame 1 to operate, the conveying activity of the plastic product can be realized along with the operation of the conveyor 3, when the plastic product is conveyed into the protective cover 4, the cooling fans 5 arranged on the left and right sides of the upper end of the protective cover 4 can be operated firstly to realize the primary cooling activity, when the plastic product is moved to the middle part of the protective cover 4, the water pump 7 arranged on the right side inside the water tank 6 can realize the conveying activity to convey the water placed inside the water tank 6 into the conveying pipe 8 connected with the lower end, then under the action of arranging a plurality of atomization spray nozzles 9 on the left side of the conveying pipe 8 at equal intervals, the atomization spraying activity is realized, the atomized water vapor realizes the secondary cooling activity, so as to ensure the cooling speed of the plastic product, the cooled plastic products can be discharged from the left side of the conveyor 3;
secondly, when the cooling device for plastic manufacturing is used, air cooling and water cooling are adopted to be matched, so that rapid cooling movement of the plastic product is realized, but in the cooling process of the plastic product, the product is easy to be bonded with conveying equipment, so that the blocking phenomenon is caused during subsequent discharging, and the whole cooling device is easy to damage;
thirdly, therefore, by arranging the toggle device 10 on the left side of the protective cover 4, that is, by operating the motor 103 arranged inside the right side of the mounting shell 102, the motor 103 drives the cam 104 connected with the front end to rotate circumferentially, the cam 104 rotates to move in a rolling manner by the roller 105 attached to the right side of the cam 104, meanwhile, the cam 104 can realize the reciprocating pushing movement in the left and right direction of the pushing frame 106 in connection with the roller 105, and the toggle plate 107 slidably connected with the left side of the pushing frame 106 can realize the reciprocating swinging movement along with the reciprocating movement of the pushing frame 106, meanwhile, the outer surface of the left side of the pushing frame 106 is provided with the pressure spring 108 to cooperate, so that the reset movement of the toggle plate 107 can be realized rapidly, and when the cooled plastic product is moved out from the left side of the protective cover 4, the toggle plate 107 which swings in the reciprocating manner can realize the right pushing movement of the plastic product, so that the plastic product moves for a certain distance, thereby avoiding the plastic product from being bonded with the conveyor 3 when being cooled, the material is blocked, so that the advantages of cooling plastic products, stirring and avoiding the occurrence of bonding phenomenon are achieved;
fourthly, in order to further improve the usability of the toggle device 10, the adjusting component 109 is further arranged at the upper end of the mounting shell 102, that is, the decelerating motor 1091 arranged inside the adjusting component 109 is operated to enable the decelerating motor 1091 to drive the screw 1092 connected with the lower end to rotate, the sleeve 1093 in threaded connection with the lower end of the screw 1092 rotates along with the screw 1092, so that the downward movement can be realized, the outer pipe 1094 is inserted into the left side of the sleeve 1093 in a matching manner, so that the downward movement stability of the sleeve 1094 can be ensured, the sleeve 1093 moves downward to push the mounting shell 102 to drive the toggle plate 107 to move downward, so that the toggle height can be quickly adjusted, and when the sleeve 1093 moves to a certain distance, the inner pipe 1095 inside the outer pipe 1094 can be pulled to ensure the sleeve 1093 to stably guide the downward movement, so that the quick adjustment of the toggle height can be realized, and the usability of the toggle height can be improved.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A novel rapid cooling device for plastic manufacturing comprises a support frame (1), wherein a direct current motor (2) is installed on the right side of the upper end of the support frame (1), the rear side of the direct current motor (2) is connected with a conveyor (3), the conveyor (3) is arranged inside the upper end of the support frame (1), a protective cover (4) is arranged at the upper end of the middle of the support frame (1), cooling fans (5) are arranged on the left side and the right side of the top of the protective cover (4), a water tank (6) is arranged in the middle of the upper end of the protective cover (4), a water pump (7) is installed on the right side inside the water tank (6), the lower end of the water pump (7) is connected with a conveying pipe (8), and a plurality of atomizing spray nozzles (9) are arranged on the outer surface of the left side of the conveying pipe (8) at equal intervals;
the method is characterized in that: the device comprises a protective cover (4), and is characterized by further comprising a shifting device (10), wherein the shifting device (10) is arranged on the left side of the protective cover (4), the shifting device (10) comprises a shell (101), a mounting shell (102), a motor (103), a cam (104), a roller (105), a pushing frame (106), a shifting plate (107), a pressure spring (108) and an adjusting component (109), the right side of the shell (101) is fixedly connected with the protective cover (4), the mounting shell (102) is arranged at the lower end inside the shell (101), the motor (103) is arranged inside the right side of the mounting shell (102), the front side of the motor (103) is connected with the cam (104), the right side of the cam (104) is attached to the roller (105), the roller (105) is rotatably connected with the right side of the pushing frame (106), the left side of the pushing frame (106) is slidably connected with the shifting plate (107), and the outer surface of the left side of the pushing frame (106) is provided with the pressure spring (108), the upper end of the poking plate (107) is rotatably connected with the mounting shell (102), and the adjusting assembly (109) is arranged at the upper end of the mounting shell (102).
2. The novel rapid cooling device for plastic manufacturing according to claim 1, wherein: adjusting part (109) including gear motor (1091), screw rod (1092), sleeve pipe (1093), outer tube (1094) and inner tube (1095), gear motor (1091) is connected with shell (101) upper end middle part to gear motor (1091) lower extreme is connected with screw rod (1092), screw rod (1092) lower extreme and sleeve pipe (1093) threaded connection, and sleeve pipe (1093) lower extreme and installation shell (102) fixed connection, outer tube (1094) upper end is pegged graft mutually with sleeve pipe (1093) left side upper end, and outer tube (1094) inside is pegged graft mutually and is had inner tube (1095).
3. The novel rapid cooling device for plastic manufacturing according to claim 1, wherein: the lower ends of the outer shell (101) and the mounting shell (102) are not closed, and the mounting shell (102) is concave-downward three-dimensional integrally.
4. The novel rapid cooling device for plastic manufacturing according to claim 1, wherein: the outer side of the cam (104) is smooth and has no barbs, and anti-skid lines are formed in the right side of the cam (104) and the outer side of the fit roller (105).
5. The novel rapid cooling device for plastic manufacturing according to claim 1, wherein: the pushing frame (106) and the pressure spring (108) are arranged in the same horizontal straight line, and the middle of the left side of the pushing frame (106) is in sliding insertion connection with the mounting shell (102).
6. The novel rapid cooling device for plastic manufacturing according to claim 1, wherein: the sliding connection part of the poking plate (107) and the pushing frame (106) is provided with a groove, and the inner wall of the groove formed in the poking plate (107) is smooth.
7. The novel rapid cooling device for plastic manufacturing according to claim 2, wherein: the screw rod (1092), the sleeve (1093), the outer pipe (1094) and the inner pipe (1095) are all vertically arranged, and the screw rod (1092) and the sleeve (1093) and the outer pipe (1094) and the inner pipe (1095) are oppositely arranged left and right.
8. The novel rapid cooling device for plastic manufacturing according to claim 2, wherein: the inner pipe (1095) is smooth and cylindrical as a whole, and the diameter of the bottom end face of the inner pipe (1095) is larger than that of the upper end face of the inner pipe (1095).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121848992.5U CN215750310U (en) | 2021-08-09 | 2021-08-09 | Novel plastic manufacturing use quick cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121848992.5U CN215750310U (en) | 2021-08-09 | 2021-08-09 | Novel plastic manufacturing use quick cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215750310U true CN215750310U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121848992.5U Expired - Fee Related CN215750310U (en) | 2021-08-09 | 2021-08-09 | Novel plastic manufacturing use quick cooling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN215750310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459369A (en) * | 2022-03-11 | 2022-05-10 | 浙江师范大学 | Train wheel set conveying and wheel diameter measuring integrated equipment and detection method |
-
2021
- 2021-08-09 CN CN202121848992.5U patent/CN215750310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459369A (en) * | 2022-03-11 | 2022-05-10 | 浙江师范大学 | Train wheel set conveying and wheel diameter measuring integrated equipment and detection method |
| CN114459369B (en) * | 2022-03-11 | 2023-05-12 | 浙江师范大学 | Train wheel set conveying and wheel diameter measuring integrated equipment and detection method |
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Granted publication date: 20220208 |