CN115418471A - Steel band heat treatment device - Google Patents
Steel band heat treatment device Download PDFInfo
- Publication number
- CN115418471A CN115418471A CN202211135668.8A CN202211135668A CN115418471A CN 115418471 A CN115418471 A CN 115418471A CN 202211135668 A CN202211135668 A CN 202211135668A CN 115418471 A CN115418471 A CN 115418471A
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- rod
- bin body
- steel strip
- heat treatment
- roller
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
- C21D9/563—Rolls; Drums; Roll arrangements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention relates to the technical field of intelligent manufacturing equipment, in particular to a steel strip heat treatment device which comprises an upper bin body, a lower bin body and a heating element, wherein the upper bin body and the lower bin body are matched to form a heating cavity, a gap is reserved between a bracket of the upper bin body and a bracket of the lower bin body, the heating element is arranged in the heating cavity, and the steel strip heat treatment device also comprises a conveying assembly; conveying component includes the inside casing, main down tube, vice down tube, first gyro wheel, elastic unit, axostylus axostyle and roll body, inside casing and lower storehouse body fixed connection, and be located the one side that is close to the clearance, the one end and the inside casing connection of main down tube, the one end of vice down tube is rotated with the middle part of main down tube and is connected, the other end and the first gyro wheel rotation of vice down tube are connected, elastic unit's both ends set up between main down tube and vice down tube, the axostylus axostyle is connected with last storehouse body rotation, roll body and axostylus axostyle fixed connection. Through the structure, the heating device is suitable for heating steel strips with different thicknesses, and is wide in application range.
Description
Technical Field
The invention relates to the field of intelligent manufacturing equipment, in particular to the field of heat treatment equipment, and especially relates to a steel strip heat treatment device.
Background
The heat treatment of the steel strip needs to heat the steel strip, and then quenching and tempering are carried out until the required hardness, tensile strength or toughness is achieved. The current steel strip heating mode is specifically as follows: the coiled steel strip is added into the heat treatment equipment together for heating, but the mode easily influences the overall quality of the produced steel strip.
Among the prior art, close the heating chamber that forms through setting up by the upper bin body and the storehouse body lid down to heating the intracavity setting and being used for carrying out the heating member that heats to the steel band, utilizing the steel band subassembly to run through the heating chamber, with this realization to the even heating of steel band, promote the whole quality of steel band of producing.
However, the heating cavity can only heat steel strips with specific thickness, and cannot be suitable for heating steel strips with different thicknesses, so that the heating cavity is single in applicability.
Disclosure of Invention
The invention aims to provide a steel strip heat treatment device which can be suitable for heating steel strips with different thicknesses and has a wide application range.
In order to achieve the purpose, the invention provides a steel strip heat treatment device which comprises an upper bin body, a lower bin body and a heating element, wherein the upper bin body and the lower bin body are matched to form a heating cavity, a gap is reserved between a bracket of the upper bin body and a bracket of the lower bin body, the heating element is arranged in the heating cavity, and the steel strip heat treatment device also comprises a conveying component;
the conveying assembly comprises an inner frame, a main inclined rod, an auxiliary inclined rod, a first roller, an elastic unit, a shaft rod and a roller body, the inner frame is fixedly connected with the lower bin body and is located on one side close to the gap, one end of the main inclined rod is connected with the inner frame, one end of the auxiliary inclined rod is rotatably connected with the middle of the main inclined rod, the other end of the auxiliary inclined rod is rotatably connected with the first roller, two ends of the elastic unit are arranged between the main inclined rod and the auxiliary inclined rod, the shaft rod is rotatably connected with the upper bin body, and the roller body is fixedly connected with the shaft rod.
The conveying assembly further comprises a second roller, the second roller is rotatably connected with the main inclined rod and is located at one end, far away from the inner frame, of the main inclined rod.
The conveying assembly further comprises a compression body, and two ends of the compression body are connected with the inner frame and the main inclined rod respectively.
The elastic unit further comprises a sliding block and a first elastic piece, the auxiliary inclined rod is provided with an upper sliding groove, the sliding block is arranged in the upper sliding groove in a sliding mode, one end of the first elastic piece is rotatably connected with the sliding block, and the other end of the first elastic piece is rotatably connected with the main inclined rod.
The compression body comprises an inner rod, an outer barrel and a second elastic piece, one end of the inner rod is rotatably connected with the main inclined rod, the other end of the inner rod is fixedly connected with one end of the second elastic piece, the other end of the second elastic piece is fixedly connected with the outer barrel, the outer barrel is coated outside the inner rod, and the outer wall of the inner rod is slidably connected with the outer barrel.
The steel strip heat treatment device further comprises a driving unit, and the driving unit is arranged on the outer side of the upper bin body.
The driving unit comprises a motor, a driving wheel, a connecting rod, a driven wheel and a connecting belt, the motor is fixedly connected with the outer side of the upper bin body, the driving wheel is fixedly connected with the output end of the motor, one end of the connecting rod penetrates through the side wall of the upper bin body and is fixedly connected with the shaft rod, the driven wheel is fixedly connected with the other end of the connecting rod, and the connecting belt is used for connecting the driving wheel and the driven wheel.
The driving unit further comprises a bevel gear, a transmission gear, a penetrating rod and an auxiliary wheel, one end of the penetrating rod is rotatably connected with the upper bin body, the other end of the penetrating rod sequentially penetrates through the transmission gear and the auxiliary wheel and is rotatably connected with the lower bin body, the transmission gear and the auxiliary wheel are fixedly connected with the penetrating rod, the bevel gear is fixedly connected with the connecting rod and sleeved outside the connecting rod, and the transmission gear is meshed with the bevel gear.
According to the steel strip heat treatment device, a steel strip to be heated enters the heating cavity, meanwhile, the steel strip to be heated can penetrate through the hollowed space between the roller body and the first roller, along with the thickness of the steel strip, the first roller can be abutted, so that the angle between the auxiliary inclined rod and the main inclined rod is increased, meanwhile, the elastic unit is stressed and stretched, further, the hollowed space between the roller body and the first roller is increased, the steel strip with different thicknesses can be heated, the application range is wide, the cooperation of the roller body and the first roller can play a guiding role in the passing of the steel strip, along with the passing of the steel strip, the heating element generates heat, the heating temperature required in the heating cavity is kept, the steel strip is further heated, and then quenching and tempering treatment is completed through corresponding quenching equipment and tempering equipment, and the heat treatment of the steel strip is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application 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.
Fig. 1 is an overall structural schematic diagram of a first embodiment of the present invention.
Fig. 2 is a side view of a first embodiment of the present invention.
Fig. 3 isbase:Sub>A cross-sectional view of thebase:Sub>A-base:Sub>A line structure of fig. 2 according to the present invention.
Fig. 4 is a schematic view of the overall structure of the conveying assembly of the present invention.
Fig. 5 is an overall structural view of the second embodiment of the present invention.
Fig. 6 is a side view of a second embodiment of the present invention.
Fig. 7 is an overall structural view of the third embodiment of the present invention.
Fig. 8 is a side view of a third embodiment of the present invention.
Fig. 9 is an enlarged view of a portion of the structure of fig. 8B according to the present invention.
Fig. 10 is a cross-sectional view of the C-C line structure of fig. 8 of the present invention.
Fig. 11 is an enlarged view of a portion of the structure of fig. 10D according to the present invention.
101-upper bin body, 102-lower bin body, 103-heating element, 104-gap, 105-inner frame, 106-main diagonal rod, 107-auxiliary diagonal rod, 108-first roller, 109-elastic unit, 110-shaft rod, 111-roller body, 112-second roller, 113-sliding block, 114-first elastic element, 115-upper sliding groove, 116-inner rod, 117-outer cylinder, 118-second elastic element, 119-fifth elastic element, 120-lower sliding groove, 201-motor, 202-driving wheel, 203-connecting rod, 204-driven wheel, 205-connecting belt, 206-bevel gear, 207-transmission gear, 208-penetrating rod, 209-auxiliary wheel, 301-outer ring body, 302-third elastic element, 303-inner ring body, 304-ball body, 305-vertical rod, 306-matching roller, 307-notch and 308-fourth elastic element.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the embodiments described below with reference to the accompanying drawings are exemplary and intended to be illustrative of the present invention and are not to be construed as limiting the present invention.
The first embodiment of the present application is:
referring to fig. 1 to 4, the steel strip heat treatment device comprises an upper bin body 101, a lower bin body 102 and a heating element 103, wherein the upper bin body 101 and the lower bin body 102 are matched to form a heating cavity, a gap 104 is formed between supports of the upper bin body 101 and the lower bin body 102, the heating element 103 is arranged in the heating cavity, and the steel strip heat treatment device further comprises a conveying assembly; the conveying assembly comprises an inner frame 105, a main diagonal rod 106, an auxiliary diagonal rod 107, a first roller 108, an elastic unit 109, a shaft rod 110 and a roller body 111, wherein the inner frame 105 is fixedly connected with the lower bin body 102 and is positioned on one side close to the gap 104, one end of the main diagonal rod 106 is connected with the inner frame 105, one end of the auxiliary diagonal rod 107 is rotatably connected with the middle of the main diagonal rod 106, the other end of the auxiliary diagonal rod 107 is rotatably connected with the first roller 108, two ends of the elastic unit 109 are arranged between the main diagonal rod 106 and the auxiliary diagonal rod 107, the shaft rod 110 is rotatably connected with the upper bin body 101, and the roller body 111 is fixedly connected with the shaft rod 110. The conveying assembly further comprises a second roller 112, and the second roller 112 is rotatably connected with the main inclined rod 106 and is located at one end of the main inclined rod 106, which is far away from the inner frame 105. The conveying assembly further comprises a compression body, and two ends of the compression body are respectively connected with the inner frame 105 and the main diagonal rod 106. The elastic unit 109 further includes a slider 113 and a first elastic member 114, the secondary diagonal rod 107 has an upper sliding groove 115, the slider 113 is slidably disposed in the upper sliding groove 115, one end of the first elastic member 114 is rotatably connected to the slider 113, and the other end of the first elastic member 114 is rotatably connected to the primary diagonal rod 106. The compression body comprises an inner rod 116, an outer barrel 117 and a second elastic piece 118, one end of the inner rod 116 is rotatably connected with the main inclined rod 106, the other end of the inner rod 116 is fixedly connected with one end of the second elastic piece 118, the other end of the second elastic piece 118 is fixedly connected with the outer barrel 117, the outer barrel 117 is wrapped outside the inner rod 116, and the outer wall of the inner rod 116 is slidably connected with the outer barrel 117. The auxiliary diagonal member 107 has a lower chute 120 communicating with the upper chute 115, the conveying assembly further includes a fifth elastic member 119, one end of the fifth elastic member 119 penetrates through the lower chute 120 and is connected to the slider 113, and one end of the fifth elastic member 119 is rotatably connected to the main diagonal member 106.
The conveying assembly can assist the steel strip to pass through the heating cavity.
The main diagonal rod 106, the auxiliary diagonal rod 107, the first roller 108, the elastic unit 109, the shaft 110 and the roller body 111 are matched with each other, so that the stable conveying of steel strips with different thicknesses can be realized.
The steel strip to be heated enters the heating cavity, and meanwhile, the steel strip to be heated can pass through the hollow space between the roller body 111 and the first roller 108, and along with the thickness of the steel strip, the steel strip to be heated can be abutted against the first roller 108, so that the angle between the auxiliary diagonal rod 107 and the main diagonal rod 106 is increased, and meanwhile, the elastic unit 109 is stressed and stretched, so that the hollow space between the roller body 111 and the first roller 108 is increased, so that the steel strip with different thicknesses can be heated, the application range is wide, in addition, the cooperation of the roller body 111 and the first roller 108 can play a guiding role in passing the steel strip, and in addition, when the angle between the auxiliary diagonal rod 107 and the main diagonal rod 106 is increased, the first elastic piece 114 can pull the sliding block 113 to slide from a high position to a low position in the upper sliding chute 115, can pull the fifth elastic piece 119 at the same time, and cooperate with the auxiliary diagonal rod 107 to compress the fifth elastic piece 119, so that the steel strip with different thicknesses can be subjected to auxiliary guiding, and meanwhile, an effective damping effect can be achieved in addition; until the upper end surfaces of the first roller 108 and the second roller 112 are in a horizontal state, the first roller 108 and the second roller 112 can assist the steel belt to slide more smoothly, in addition, through the arrangement of the lower chute 120 and when the upper end surface of the main diagonal rod 106 is provided with a slotted hole, when an operator does not need to use the auxiliary diagonal rod 107, the auxiliary diagonal rod 107 can be bent, the structural design of the conveying assembly is more flexible, in addition, when the upper end surfaces of the first roller 108 and the second roller 112 are in a horizontal state, if the steel belt cannot pass through, the inner rod 116 is partially retracted into the outer cylinder 117, and meanwhile, the second elastic element 118 is compressed after being stressed, so that when the range suitable for the steel belts with different thicknesses to pass through is enlarged, an effective anti-seismic effect can be achieved. With the passing of the steel strip, the heating element 103 generates heat, so that the heating cavity is kept at a required heating temperature, the steel strip is heated, and then quenching and tempering treatment is completed through corresponding quenching equipment and tempering equipment, so that heat treatment on the steel strip is realized.
The second embodiment of the present application is:
referring to fig. 5 and 6, on the basis of the first embodiment, the steel strip heat treatment apparatus of this embodiment further includes a driving unit, and the driving unit is disposed outside the upper bin 101. The driving unit comprises a motor 201, a driving wheel 202, a connecting rod 203, a driven wheel 204 and a connecting belt 205, the motor 201 is fixedly connected with the outer side of the upper bin body 101, the driving wheel 202 is fixedly connected with the output end of the motor 201, one end of the connecting rod 203 penetrates through the side wall of the upper bin body 101 and is fixedly connected with the shaft rod 110, the driven wheel 204 is fixedly connected with the other end of the connecting rod 203, and the connecting belt 205 is used for connecting the driving wheel 202 and the driven wheel 204. The driving unit further comprises a bevel gear 206, a transmission gear 207, a through rod 208 and an auxiliary wheel 209, one end of the through rod 208 is rotatably connected with the upper bin body 101, the other end of the through rod 208 sequentially penetrates through the transmission gear 207 and the auxiliary wheel 209 and is rotatably connected with the lower bin body 102, the transmission gear 207 and the auxiliary wheel 209 are both fixedly connected with the through rod 208, the bevel gear 206 is fixedly connected with the connecting rod 203 and sleeved outside the connecting rod 203, and the transmission gear 207 and the bevel gear 206 are meshed with each other.
The number of the driving units is a plurality of, and is consistent with the number of the shaft rods 110, and the driving units are used for driving the shaft rods 110 to rotate.
The motor 201 rotates to drive the driving wheel 202 to rotate, and the connecting belt 205 is used for connecting the driving wheel 202 and the driven wheel 204, so that the driven wheel 204 rotates therewith, so as to drive the shaft rod 110 to rotate, so as to drive the roller body 111 to rotate, so as to assist the movement of the steel strip, accelerate the transportation of the steel strip, and improve the heat treatment efficiency.
The third embodiment of the present application is:
referring to fig. 7 and 11, on the basis of the second embodiment, the steel strip heat treatment apparatus of this embodiment further includes a guiding assembly, the guiding assembly includes two outer rings 301, two third elastic members 302, two inner rings 303 and a sphere 304, the two outer rings 301 are both fixedly connected to the auxiliary wheel 209, the two inner rings 303 are both slidably connected to the auxiliary wheel 209, the third elastic members 302 are fixedly connected between the inner rings 303 and the outer rings 301, and the sphere 304 is arranged on each inner ring 303 in a rolling manner. The guide assembly further comprises a vertical rod 305 and a matching roller 306, the two ends of the vertical rod 305 are connected with the two inner rings 303, and the matching roller 306 is rotatably connected with the vertical rod 305 and sleeved outside the vertical rod 305. The guiding assembly further comprises a fourth elastic member 308, the inner ring 303 has a plurality of notches 307, two ends of each vertical rod 305 are slidably connected to the notches 307, two ends of the fourth elastic member 308 are fixedly connected to the vertical rods 305 and inner walls of the notches 307, and the fourth elastic member 308 is located in the notches 307.
The two inner rings 303 can slide relative to the auxiliary wheel 209, so that the thickness of the steel strip can be adapted, in addition, the third elastic element 302 can facilitate the restoration between the two inner rings 303, and in addition, the ball 304 can enable the movement of the steel strip to be smoother. When the side wall of the steel belt abuts against the vertical rod 305, the vertical rod 305 slides in the notch 307 to abut against the fourth elastic member 308, so that the deviation is effectively prevented, and the moving of the steel belt can be guided.
While the above disclosure describes one or more preferred embodiments of the present invention, it should be understood that there is no intent to limit the scope of the claims, and it is intended that all or a portion of the process flow of the above embodiments be practiced and equivalents thereof within the scope of the claims.
Claims (8)
1. A steel strip heat treatment device comprises an upper bin body, a lower bin body and a heating element, wherein the upper bin body is matched with the lower bin body to form a heating cavity, a gap is reserved between a bracket of the upper bin body and a bracket of the lower bin body, the heating element is arranged in the heating cavity, and the steel strip heat treatment device is characterized in that,
the device also comprises a conveying component;
the conveying assembly comprises an inner frame, a main inclined rod, an auxiliary inclined rod, a first roller, an elastic unit, a shaft rod and a roller body, the inner frame is fixedly connected with the lower bin body and is located at one side close to the gap, one end of the main inclined rod is connected with the inner frame, one end of the auxiliary inclined rod is rotatably connected with the middle of the main inclined rod, the other end of the auxiliary inclined rod is rotatably connected with the first roller, two ends of the elastic unit are arranged between the main inclined rod and the auxiliary inclined rod, the shaft rod is rotatably connected with the upper bin body, and the roller body is fixedly connected with the shaft rod.
2. The steel strip heat treatment apparatus of claim 1,
the conveying assembly further comprises a second roller, and the second roller is rotatably connected with the main inclined rod and is positioned at one end, far away from the inner frame, of the main inclined rod.
3. The steel strip heat treatment apparatus of claim 2,
the conveying assembly further comprises a compression body, and two ends of the compression body are connected with the inner frame and the main inclined rod respectively.
4. The steel strip heat treatment apparatus of claim 3,
the elastic unit further comprises a sliding block and a first elastic piece, the auxiliary inclined rod is provided with an upper sliding groove, the sliding block is arranged in the upper sliding groove in a sliding mode, one end of the first elastic piece is connected with the sliding block in a rotating mode, and the other end of the first elastic piece is connected with the main inclined rod in a rotating mode.
5. The steel strip heat treatment apparatus of claim 4,
the compression body includes interior pole, urceolus and second elastic component, the one end of interior pole with main down tube rotates to be connected, the other end of interior pole with the one end fixed connection of second elastic component, the other end of second elastic component with urceolus fixed connection, just the urceolus cladding in the outside of interior pole, the outer wall of interior pole with urceolus sliding connection.
6. The steel strip heat treatment apparatus of claim 1,
the steel strip heat treatment device further comprises a driving unit, and the driving unit is arranged on the outer side of the upper bin body.
7. The steel strip heat treatment apparatus of claim 6,
the drive unit comprises a motor, a driving wheel, a connecting rod, a driven wheel and a connecting belt, the motor is fixedly connected with the outer side of the upper bin body, the driving wheel is fixedly connected with the output end of the motor, one end of the connecting rod penetrates through the side wall of the upper bin body and is fixedly connected with the shaft rod, the driven wheel is fixedly connected with the other end of the connecting rod, and the connecting belt is used for connecting the driving wheel with the driven wheel.
8. The steel strip heat treatment apparatus of claim 7,
the driving unit further comprises a bevel gear, a transmission gear, a penetrating rod and an auxiliary wheel, one end of the penetrating rod is rotatably connected with the upper bin body, the other end of the penetrating rod sequentially penetrates through the transmission gear and the auxiliary wheel and is rotatably connected with the lower bin body, the transmission gear and the auxiliary wheel are fixedly connected with the penetrating rod, the bevel gear is fixedly connected with the connecting rod and sleeved outside the connecting rod, and the transmission gear is meshed with the bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211135668.8A CN115418471B (en) | 2022-09-19 | 2022-09-19 | Steel band heat treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211135668.8A CN115418471B (en) | 2022-09-19 | 2022-09-19 | Steel band heat treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115418471A true CN115418471A (en) | 2022-12-02 |
| CN115418471B CN115418471B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211135668.8A Active CN115418471B (en) | 2022-09-19 | 2022-09-19 | Steel band heat treatment device |
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| Country | Link |
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| CN (1) | CN115418471B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001091942A1 (en) * | 2000-06-02 | 2001-12-06 | Voest-Alpine Industrieanlagenbau Gmbh & Co | Strand guide for a continuous casting installation |
| US20200060398A1 (en) * | 2019-07-09 | 2020-02-27 | Dingfang Shuai | Automatic sunshade used in public places |
| CN210966447U (en) * | 2019-10-29 | 2020-07-10 | 唐山华冶钢管制造有限公司 | Automatic steel band coalignment of adjustment width |
| CN215046061U (en) * | 2021-06-17 | 2021-12-07 | 中挖建设集团有限公司 | Rock wool presss from both sides core roll-in stop device for wallboard |
| CN114274495A (en) * | 2021-11-16 | 2022-04-05 | 江苏罗科雷森建筑材料科技有限公司 | Pressing device for processing polyurethane sandwich board |
-
2022
- 2022-09-19 CN CN202211135668.8A patent/CN115418471B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001091942A1 (en) * | 2000-06-02 | 2001-12-06 | Voest-Alpine Industrieanlagenbau Gmbh & Co | Strand guide for a continuous casting installation |
| US20200060398A1 (en) * | 2019-07-09 | 2020-02-27 | Dingfang Shuai | Automatic sunshade used in public places |
| CN210966447U (en) * | 2019-10-29 | 2020-07-10 | 唐山华冶钢管制造有限公司 | Automatic steel band coalignment of adjustment width |
| CN215046061U (en) * | 2021-06-17 | 2021-12-07 | 中挖建设集团有限公司 | Rock wool presss from both sides core roll-in stop device for wallboard |
| CN114274495A (en) * | 2021-11-16 | 2022-04-05 | 江苏罗科雷森建筑材料科技有限公司 | Pressing device for processing polyurethane sandwich board |
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| Publication number | Publication date |
|---|---|
| CN115418471B (en) | 2023-08-29 |
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