CN116117022B - Heating device for roll neck production and use method - Google Patents
Heating device for roll neck production and use method Download PDFInfo
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- CN116117022B CN116117022B CN202310121796.5A CN202310121796A CN116117022B CN 116117022 B CN116117022 B CN 116117022B CN 202310121796 A CN202310121796 A CN 202310121796A CN 116117022 B CN116117022 B CN 116117022B
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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
- B21D49/00—Sheathing or stiffening objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to the field of roll neck machining. The invention discloses a heating device for roll neck production and a use method thereof, and aims to solve the problems that when the device is used for heating roll necks with different diameters, the distance between heating plates is required to be adjusted through an adjusting mechanism, and the operation is troublesome. The invention consists of an expansion heating mechanism and a roll neck clamping mechanism. According to the heating device for roller neck production and the use method, the cylinder is driven to move upwards through extension of the cylinder, the roller neck in the placing cylinder is pushed to move upwards and props against the bottom end of the third spring telescopic rod, at the moment, the third spring telescopic rod is forced to move upwards to drive the first spring telescopic rod to shrink, and when the third spring telescopic rod moves upwards, the deflection rod is pulled to deflect and push the eight arc heating plates to diffuse around by taking the central axis of the first spring telescopic rod as the center of a circle, the distance between the eight arc heating plates is increased, and the roller necks with different diameters are better coated when the following eight arc heating plates shrink.
Description
Technical Field
The invention relates to the field of roll neck machining, in particular to a heating device for roll neck production and a using method thereof.
Background
The main working parts and tools for continuous plastic deformation of metal on rolling mill are composed of roll body, roll neck and axle head. The roll body is a middle part of a roll actually participating in rolling metal, the roll body is provided with a smooth cylindrical surface or a surface with a rolling groove, a roll neck is arranged in a bearing, rolling force is transmitted to a stand through a bearing seat and a pressing device, a shaft head at a driving end is connected with a gear seat through a connecting shaft, the rotating moment of a motor is transmitted to the roll, and the roll can be arranged in a two-roll, three-roll, four-roll or multi-roll mode in the roll stand.
The prior patent (publication number: CN 113649729B) discloses a heating device for roll neck production and a using method thereof, belongs to the technical field of roll neck processing, and comprises a base, wherein the top of the base is rotatably connected with a first swinging plate, and the bottom of the first swinging plate is fixedly connected with an embedded rod. In the process of implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: when the device heats the roll necks with different diameters, the distance between the heating plates needs to be adjusted by the adjusting mechanism, and the device is inconvenient to use.
Disclosure of Invention
The invention aims to provide a heating device for roll neck production and a using method thereof, which are used for solving the problem that the device is inconvenient to use because the gap between heating plates is firstly adjusted by an adjusting mechanism when the device is used for heating roll necks with different diameters in the background art. In order to achieve the above purpose, the present invention provides the following technical solutions: the heating device for the production of the roller neck comprises a processing table, wherein the top surface of the processing table is fixedly connected with a frame, the top surface of the frame is provided with a round groove, and the inner wall of the round groove is provided with a sliding groove;
the top surface of the frame is fixedly connected with a C-shaped frame, an expansion heating mechanism penetrates through the C-shaped frame, and the expansion heating mechanism slides in the chute;
the processing bench is provided with an air cylinder, and the top end of the air cylinder is fixedly connected with a roll neck clamping mechanism.
Preferably, the expansion heating mechanism comprises a first spring telescopic rod, the first spring telescopic rod penetrates through the C-shaped frame, a third spring telescopic rod is fixedly connected to the bottom end of the first spring telescopic rod, eight grooves are formed in the outer side of the third spring telescopic rod, two deflection rods are hinged to the inner walls of the grooves, one ends, far away from the grooves, of the two deflection rods are hinged to arc heating plates, the eight arc heating plates are annularly distributed on the top surface of the inner wall of the C-shaped frame, the eight arc heating plates are overlapped with each other, a sliding block is fixedly connected to the top surface of the arc heating plates, and the sliding block slides in the sliding grooves;
eight sealing plates are abutted to the outer sides of the eight arc-shaped heating plates, the eight sealing plates and the eight arc-shaped heating plates are distributed in a staggered mode and used for blocking gaps among the eight arc-shaped heating plates, two connecting sleeves are fixedly connected to the outer sides of the sealing plates, connecting columns penetrate through the connecting sleeves, the connecting columns are connected to the top surface of the inner wall of the frame in a sliding mode, sliding sleeves are connected to the connecting columns in a sliding mode, spiral springs are fixedly connected to the bottom ends of the sliding sleeves, the spiral springs are sleeved on the connecting columns, and the lower ends of the spiral springs are fixed to the side faces of the connecting columns;
eight X-shaped folding frames are hinged between the eight sliding sleeves and the eight connecting sleeves on the upper sides.
Preferably, the roll neck clamping mechanism comprises a cylinder, the cylinder is fixed on the top end of the cylinder, the central axis of the cylinder is coaxial with the central axis of the first spring telescopic rod, eight through grooves are formed in the outer side of the cylinder at equal intervals in an annular mode, the inner wall of each through groove is slidably connected with a second spring telescopic rod, one end of each second spring telescopic rod is hinged with a plug rod, the top surface of each plug rod is fixedly connected with a supporting disc, a placing cylinder is movably sleeved on the outer side of each plug rod, a reset spring is movably sleeved on the side surface of each plug rod, two ends of each reset spring are fixedly connected with the side surface of each plug rod and the bottom surface of each placing cylinder respectively, and each placing cylinder is fixed on the top end of the cylinder;
the other end of the second spring expansion link is hinged with a deflection plate, the middle part of the side surface of the deflection plate is hinged on the side surface of the placing cylinder, the upper end of the deflection plate is fixedly connected with a spring expansion plate, the spring expansion plate is arranged in a vertical groove formed in the side surface of the placing cylinder, and a ball is embedded in one end, far away from the deflection plate, of the spring expansion plate.
Preferably, the bottom end of the cylinder is fixedly connected with a shrinkage rod in an annular shape at equal intervals, and the bottom end of the shrinkage rod is fixed on the top surface of the processing table.
Preferably, the support plate slides inside the placement barrel.
Preferably, the shape of the sliding block is T-shaped.
Preferably, the height of the bottom end of the third spring telescopic rod from the top surface of the processing table is 0.8 times of the height of the bottom end of the arc-shaped heating plate from the ground.
Preferably, the application method of the heating device for roll neck production comprises the following steps:
s1: when the device heats the roll neck, the roll neck is firstly placed in the placing cylinder, and at the moment, the inserting rod is stressed to move downwards in the placing cylinder to drive the second spring telescopic rod to move downwards to drive the deflection plate to deflect, so that the spring telescopic plate is abutted against the side face of the roll neck;
then the cylinder is driven to move upwards through the extension of the air cylinder, the roller neck in the placing cylinder is pushed to move upwards and props against the bottom end of the third spring telescopic rod, at the moment, the third spring telescopic rod is forced to move upwards to drive the first spring telescopic rod to shrink, and when the third spring telescopic rod moves upwards, the deflection rod is pulled to deflect and push the eight arc heating plates to diffuse around by taking the central axis of the first spring telescopic rod as the center of a circle, the distance between the eight arc heating plates is increased, and the roller neck with different diameters can be better coated and heated when the following eight arc heating plates shrink;
s2: when the first spring telescopic rod contracts to drive the deflection rod to deflect into a horizontal state and then continue to deflect, the roller neck gradually penetrates into the eight arc heating plates, the eight arc heating plates synchronously gather towards the central axis of the first spring telescopic rod, the inner sides of the eight arc heating plates are guaranteed to be in contact with the side face of the roller neck to wrap the roller neck, then the cylinder is driven by the cylinder to continue to move upwards, at the moment, the eight arc heating plates are in contact with the side face of the roller neck and gradually wrap the surface of the roller neck, the resistance of the roller neck moving upwards in the eight arc heating plates is increased, at the moment, the support disc synchronously moves downwards to continuously drive the inserted rod to move downwards, so that the spring telescopic plate is separated from the surface of the roller neck in a anticlockwise manner after being deflected, the eight arc heating plates move downwards on the side face of the roller neck and wrap the roller neck completely, at the moment, the eight arc heating plates heat the surface of the roller neck, and the roller neck with different diameters can be wrapped by the device, and the practicability is better;
s3: and when eight arc hot plates diffuse, eight closing plates are in eight the arc hot plate diffuses the simultaneous passive diffusion, to eight clearance between the arc hot plate is shutoff, and X shape folding leg atress is folding this moment, and the pulling spiral spring is tensile, and when eight arc hot plates shrink, eight closing plates shrink in step under the effect of spiral spring reset force, continue to carry out the shutoff to the clearance department of eight arc hot plates in the shrink process, guarantee that follow-up eight arc hot plates heat the roll neck, heat loss when reducing the arc hot plate and heating the roll neck.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the cylinder is driven to move upwards through the extension of the air cylinder, the roller neck in the placing cylinder is pushed to move upwards and props against the bottom end of the third spring telescopic rod, at the moment, the third spring telescopic rod is forced to move upwards to drive the first spring telescopic rod to shrink, and when the third spring telescopic rod moves upwards, the deflection rod is pulled to deflect and push the eight arc heating plates to diffuse around by taking the central axis of the first spring telescopic rod as the center of a circle, so that the distance between the eight arc heating plates is increased, and the roller necks with different diameters can be better coated when the following eight arc heating plates shrink.
According to the invention, in the process of continuously deflecting the deflection rod after the deflection rod is driven to deflect to a horizontal state by shrinkage of the first spring telescopic rod, the cylinder is driven to continuously move upwards by the air cylinder, at the moment, when the eight arc heating plates are abutted against the side surface of the roller neck of the roller and gradually wrap the surface of the roller neck of the roller, the upward moving resistance of the roller neck of the roller in the eight arc heating plates is increased, at the moment, the support plate synchronously moves downwards under stress to continuously drive the inserting rod to move downwards, so that the spring telescopic plate is separated from the surface of the roller neck of the roller after clockwise deflection, the eight arc heating plates move downwards and wrap the surface of the roller neck of the roller completely, at the moment, the eight arc heating plates heat the surface of the roller neck of the roller, so that the roller necks of different diameters of the roller can be wrapped and then heated by the device, and the practicability is better.
According to the invention, when eight arc heating plates are diffused, eight sealing plates are passively diffused while eight arc heating plates are diffused, gaps among the eight arc heating plates are blocked, at the moment, the X-shaped folding frame is stressed to be folded, the spiral springs are pulled to stretch, when the eight arc heating plates shrink, the eight sealing plates shrink synchronously under the action of the reset force of the spiral springs, the gaps among the eight arc heating plates in the shrinking process are continuously blocked, the subsequent eight arc heating plates are guaranteed to heat roller necks, and heat loss caused by the arc heating plates to roller necks is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial perspective structure of the present invention;
FIG. 3 is a perspective view of the deflection lever and arc heating plate of the present invention;
FIG. 4 is a perspective view of a connecting post and a sliding sleeve and the like according to the present invention;
FIG. 5 is a perspective view of the present invention showing the structure of the deployment barrel and deflector plate;
FIG. 6 is a cross-sectional view of a three-dimensional structure of a cartridge or the like according to the present invention;
FIG. 7 is a second perspective view of a section of a structure such as a placement barrel of the present invention.
In the figure: 1. a processing table; 2. a frame; 3. a circular groove; 4. a chute; 5. a C-shaped frame; 6. an expansion heating mechanism; 61. a first spring telescoping rod; 62. a third spring telescoping rod; 63. a groove; 64. a deflection lever; 65. an arc-shaped heating plate; 66. a slide block; 67. a sealing plate; 68. connecting sleeves; 69. a connecting column; 610. a sliding sleeve; 611. a spiral spring; 612. an X-shaped folding frame; 7. a cylinder; 8. a roll neck clamping mechanism; 81. a cylinder; 82. a through groove; 83. a second spring telescoping rod; 84. a rod; 85. placing a cylinder; 86. a deflector plate; 87. a spring expansion plate; 88. a vertical groove; 89. a support plate; 810. a ball; 811. a retracting lever; 812. and a reset spring.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the heating device for the production of the roller neck comprises a processing table 1, wherein the top surface of the processing table 1 is fixedly connected with a frame 2, the top surface of the frame 2 is provided with a round groove 3, and the inner wall of the round groove 3 is provided with a sliding groove 4;
the top surface of the frame 2 is fixedly connected with a C-shaped frame 5, an expansion heating mechanism 6 penetrates through the C-shaped frame 5, and the expansion heating mechanism 6 slides in the chute 4;
the processing table 1 is provided with an air cylinder 7, and the top end of the air cylinder 7 is fixedly connected with a roll neck clamping mechanism 8.
In this embodiment, as shown in fig. 2, 3 and 4, the expansion heating mechanism 6 includes a first spring telescopic rod 61, the first spring telescopic rod 61 penetrates through the C-shaped frame 5, the bottom end of the first spring telescopic rod 61 is fixedly connected with a third spring telescopic rod 62, eight grooves 63 are formed on the outer side of the third spring telescopic rod 62, two deflection rods 64 are hinged on the inner walls of the eight grooves 63, one ends of the two deflection rods 64, which are far away from the grooves 63, are hinged with arc heating plates 65, the eight arc heating plates 65 are annularly distributed on the top surface of the inner wall of the C-shaped frame 5, the eight arc heating plates 65 are overlapped with each other, the top surface of the arc heating plates 65 is fixedly connected with a sliding block 66, and the sliding block 66 slides in the sliding groove 4;
eight sealing plates 67 are abutted against the outer sides of the eight arc-shaped heating plates 65, the eight sealing plates 67 and the eight arc-shaped heating plates 65 are distributed in a staggered manner and used for plugging gaps among the eight arc-shaped heating plates 65, two connecting sleeves 68 are fixedly connected to the outer sides of the sealing plates 67, connecting columns 69 penetrate through the two connecting sleeves 68, the connecting columns 69 are connected to the top surface of the inner wall of the frame 2 in a sliding mode, sliding sleeves 610 are connected to the connecting columns 69 in a sliding mode, spiral springs 611 are fixedly connected to the bottom ends of the sliding sleeves 610, the spiral springs 611 are sleeved on the connecting columns 69, and the lower ends of the spiral springs 611 are fixed to the side surfaces of the connecting columns 69;
eight X-shaped folding frames 612 are hinged between the eight sliding sleeves 610 and the eight upper connecting sleeves 68.
In this embodiment, as shown in fig. 1, 5, 6 and 7, the roll neck clamping mechanism 8 includes a cylinder 81, the cylinder 81 is fixed on the top end of the cylinder 7, the central axis of the cylinder 81 is coaxial with the central axis of the first spring telescopic rod 61, eight through slots 82 are formed on the outer side of the cylinder 81 at equal intervals, the inner wall of the through slots 82 is slidably connected with a second spring telescopic rod 83, one end of the second spring telescopic rod 83 is hinged with an inserting rod 84, the top surface of the inserting rod 84 is fixedly connected with a supporting disc 89, a placing cylinder 85 is movably sleeved on the outer side of the inserting rod 84, a reset spring 812 is movably sleeved on the side surface of the inserting rod 84, two ends of the reset spring 812 are fixedly connected with the side surface of the inserting rod 84 and the bottom surface of the placing cylinder 85 respectively, and the placing cylinder 85 is fixed on the top end of the cylinder 81;
the other end of the second spring expansion link 83 is hinged with a deflection plate 86, the middle part of the side surface of the deflection plate 86 is hinged on the side surface of the placing barrel 85, the upper end of the deflection plate 86 is fixedly connected with a spring expansion plate 87, the spring expansion plate 87 is arranged in a vertical groove 88 formed in the side surface of the placing barrel 85, and a ball 810 is embedded on one end, far away from the deflection plate 86, of the spring expansion plate 87.
In this embodiment, as shown in fig. 5, 6 and 7, a shrinkage rod 811 is fixedly connected to the bottom end of the cylinder 81 at equal intervals in a ring shape, and the bottom end of the shrinkage rod 811 is fixed to the top surface of the processing table 1. Stability in the upward movement of the cylinder 81 is ensured by the retraction lever 811.
In this embodiment, as shown in fig. 5, 6 and 7, the support plate 89 slides inside the placement barrel 85, and the stability of the support plate 89 sliding inside the placement barrel 85 is ensured.
In this embodiment, as shown in FIG. 2, the slider 66 is T-shaped. Preventing the slide 66 from disengaging from the chute 4.
In this embodiment, as shown in fig. 3 and 4, the height of the bottom end of the third spring expansion link 62 from the top surface of the processing table 1 is 0.8 times the height of the bottom end of the arc-shaped heating plate 65 from the ground. The third spring telescopic rod 62 is stressed to drive the eight arc heating plates 65 to deflect and spread, so that the roll neck of the subsequent roll can conveniently penetrate into the eight arc heating plates 65.
The application method and the advantages of the invention are as follows: the application method of the heating device for roll neck production comprises the following working processes:
as shown in fig. 1, 2, 3, 4, 5, 6 and 7:
s1: when the device heats the roll neck, the roll neck is firstly placed in the placing cylinder 85, and at the moment, the inserting rod 84 is stressed in the placing cylinder 85 to move downwards to drive the second spring expansion rod 83 to move downwards to drive the deflection plate 86 to deflect, so that the spring expansion plate 87 is abutted against the side surface of the roll neck;
then the cylinder 81 is driven to move upwards through the extension of the air cylinder 7, the roll neck of the roll in the placing cylinder 85 is pushed to move upwards and props against the bottom end of the third spring telescopic rod 62, at the moment, the third spring telescopic rod 62 is forced to move upwards to drive the first spring telescopic rod 61 to shrink, and when the third spring telescopic rod 62 moves upwards, the deflection rod 64 is pulled to deflect and push the eight arc heating plates 65 to diffuse around by taking the central axis of the first spring telescopic rod 61 as the center of a circle, the distance between the eight arc heating plates 65 is increased, and the roll neck of the roll with different diameters can be better coated and heated when the following eight arc heating plates 65 shrink;
s2: when the first spring telescopic rod 61 contracts to drive the deflection rod 64 to deflect into a horizontal state and then continue to deflect, at this moment, the roll neck gradually goes deep into the eight arc heating plates 65, and the eight arc heating plates 65 synchronously gather towards the central axis of the first spring telescopic rod 61, so that the inner sides of the eight arc heating plates 65 are guaranteed to be abutted against the side surfaces of the roll neck of the roll, then the cylinder 81 is driven by the air cylinder 7 to continue to move upwards, at this moment, the eight arc heating plates 65 are abutted against the side surfaces of the roll neck of the roll and gradually wrap the surfaces of the roll neck of the roll, the resistance of the upward movement of the roll neck of the roll in the eight arc heating plates 65 is increased, at this moment, the supporting disc 89 synchronously moves downwards to drive the inserting rod 84 to move downwards, so that the spring telescopic plate 87 deflects anticlockwise and separates from the surfaces of the roll neck of the roll after clockwise deflection, so that the eight arc heating plates 65 move downwards and wrap the side surfaces of the roll neck of the roll completely, at this moment, the eight arc heating plates 65 heat the surfaces of the roll neck of the roll, so that the roll neck of the roll is guaranteed to be wrapped by the eight arc heating plates 65, and the surfaces of the roll neck of the roll can be wrapped by the eight arc heating plates, and the roll neck of different diameters of the roll can be guaranteed, and the roll neck of the roll is wrapped and heated more practically better;
s3: and when eight arc-shaped heating plates 65 diffuse, eight sealing plates 67 diffuse passively when eight arc-shaped heating plates 65 diffuse, and the clearance between the arc-shaped heating plates 65 is blocked, at this time, the X-shaped folding frame 612 is stressed and folded, the spiral spring 611 is pulled to stretch, when eight arc-shaped heating plates 65 shrink, eight sealing plates 67 shrink synchronously under the action of the reset force of the spiral spring 611, the clearance of eight arc-shaped heating plates 65 in the shrinkage process is continuously blocked, the subsequent eight arc-shaped heating plates 65 are guaranteed to heat roller necks, and heat loss of the arc-shaped heating plates 65 during heating of the roller necks is reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a roll neck production is with heating device, includes processing platform (1), its characterized in that: the top surface of the processing table (1) is fixedly connected with a frame (2), a round groove (3) is formed in the top surface of the frame (2), and a sliding groove (4) is formed in the inner wall of the round groove (3);
the top surface of the frame (2) is fixedly connected with a C-shaped frame (5), an expansion heating mechanism (6) penetrates through the C-shaped frame (5), and the expansion heating mechanism (6) slides in the chute (4);
an air cylinder (7) is arranged on the processing table (1), and the top end of the air cylinder (7) is fixedly connected with a roll neck clamping mechanism (8);
the expansion heating mechanism (6) comprises a first spring telescopic rod (61), the first spring telescopic rod (61) penetrates through the C-shaped frame (5), the bottom end of the first spring telescopic rod (61) is fixedly connected with a third spring telescopic rod (62), eight grooves (63) are formed in the outer side of the third spring telescopic rod (62), two deflection rods (64) are hinged to the inner wall of each groove (63), one end, far away from each groove (63), of each deflection rod (64) is hinged to an arc-shaped heating plate (65), the eight arc-shaped heating plates (65) are annularly distributed on the top surface of the inner wall of the C-shaped frame (5), the eight arc-shaped heating plates (65) are overlapped with each other, the top surface of each arc-shaped heating plate (65) is fixedly connected with a sliding block (66), and the sliding block (66) slides in the sliding groove (4).
Eight sealing plates (67) are abutted to the outer sides of the eight arc-shaped heating plates (65), the eight sealing plates (67) and the eight arc-shaped heating plates (65) are distributed in a staggered mode and used for blocking gaps among the eight arc-shaped heating plates (65), two connecting sleeves (68) are fixedly connected to the outer sides of the sealing plates (67), connecting columns (69) penetrate through the two connecting sleeves (68), the connecting columns (69) are slidably connected to the top surface of the inner wall of the frame (2), sliding sleeves (610) are slidably connected to the connecting columns (69), spiral springs (611) are fixedly connected to the bottom ends of the sliding sleeves (610), the spiral springs (611) are sleeved on the connecting columns (69), and the lower ends of the spiral springs (611) are fixed to the side surfaces of the connecting columns (69);
eight X-shaped folding frames (612) are hinged between the eight sliding sleeves (610) and the eight connecting sleeves (68) on the upper side.
2. The heating device for roll neck production according to claim 1, wherein: the roll neck clamping mechanism (8) comprises a cylinder (81), the cylinder (81) is fixed on the top end of the air cylinder (7), the central axis of the cylinder (81) is coaxial with the central axis of the first spring telescopic rod (61), eight through grooves (82) are formed in an annular mode at equal intervals on the outer side of the cylinder (81), a second spring telescopic rod (83) is slidably connected to the inner wall of each through groove (82), an inserting rod (84) is hinged to one end of each second spring telescopic rod (83), a supporting disc (89) is fixedly connected to the top surface of each inserting rod (84), a placing cylinder (85) is movably sleeved on the outer side of each inserting rod (84), a reset spring (812) is movably sleeved on the side face of each inserting rod (84), two ends of each reset spring (812) are fixedly connected with the side face of each inserting rod (84) and the bottom face of each placing cylinder (85), and each placing cylinder (85) is fixed on the top end of each inserting rod (81);
the other end of the second spring telescopic rod (83) is hinged with a deflection plate (86), the middle of the side surface of the deflection plate (86) is hinged to the side surface of the placing barrel (85), the upper end of the deflection plate (86) is fixedly connected with a spring telescopic plate (87), the spring telescopic plate (87) is arranged in a vertical groove (88) formed in the side surface of the placing barrel (85), and a ball (810) is embedded in one end, far away from the deflection plate (86), of the spring telescopic plate (87).
3. A heating apparatus for roll neck production according to claim 2, wherein: the bottom end of the cylinder (81) is fixedly connected with a shrinkage rod (811) in an annular shape at equal intervals, and the bottom end of the shrinkage rod (811) is fixed on the top surface of the processing table (1).
4. A heating apparatus for roll neck production according to claim 2, wherein: the support plate (89) slides inside the placement cylinder (85).
5. The heating device for roll neck production according to claim 1, wherein: the slider (66) is T-shaped in shape.
6. The heating device for roll neck production according to claim 1, wherein: the height of the bottom end of the third spring telescopic rod (62) from the top surface of the processing table (1) is 0.8 times of the height of the bottom end of the arc-shaped heating plate (65) from the ground.
7. A method of using a heating apparatus for roll neck production according to claim 3, comprising the steps of:
s1: when the device heats the roll neck, the roll neck is firstly placed in the placing cylinder (85), and at the moment, the inserting rod (84) is stressed in the placing cylinder (85) to move downwards to drive the second spring telescopic rod (83) to move downwards to drive the deflection plate (86) to deflect, so that the spring telescopic plate (87) is abutted against the side face of the roll neck;
then the cylinder (81) is driven to move upwards through the extension of the air cylinder (7), the roller necks in the placing cylinder (85) are pushed to move upwards and are abutted against the bottom ends of the third spring telescopic rods (62), at the moment, the third spring telescopic rods (62) are forced to move upwards to drive the first spring telescopic rods (61) to shrink, and when the third spring telescopic rods (62) move upwards, the deflection rods (64) are pulled to deflect and push the eight arc heating plates (65) to diffuse around by taking the central axis of the first spring telescopic rods (61) as the center of a circle, the distance between the eight arc heating plates (65) is increased, and therefore the follow-up eight arc heating plates (65) can be conveniently used for better cladding and heating roller necks with different diameters when shrinking;
s2: when the first spring telescopic rod (61) contracts to drive the deflection rod (64) to deflect to a horizontal state and then continuously deflect, at the moment, the roll neck of the roll gradually penetrates into the eight arc heating plates (65), the eight arc heating plates (65) synchronously gather towards the central axis of the first spring telescopic rod (61), the inner sides of the eight arc heating plates (65) are guaranteed to be abutted against the side surface of the roll neck of the roll to wrap the roll neck of the roll, then the cylinder (81) is driven by the air cylinder (7) to continuously move upwards, at the moment, the eight arc heating plates (65) are abutted against the side surface of the roll neck of the roll and gradually wrap the surface of the roll neck of the roll, the resistance of the roll neck of the roll moving upwards in the eight arc heating plates (65) is increased, at the moment, the supporting disc (89) synchronously bears downward movement to continuously drive the inserting rod (84) to move downwards, so that the spring telescopic plate (87) is separated from the surface of the roll neck of the roll in a clockwise direction, the eight arc heating plates (65) move downwards and wrap the roll neck of the roll completely, the roll neck of the roll can be wrapped by the eight arc heating plates (65), the surface of the roll neck of the roll can be guaranteed to be better in practical diameter, and the roll can be wrapped by the surface of the roll neck of the roll;
s3: and when eight arc hot plates (65) diffuse, eight closing plates (67) are in eight the arc hot plates (65) diffuse and are in passive diffusion, to eight gaps between the arc hot plates (65) are plugged, at this moment, X-shaped folding frames (612) are stressed and folded, the spiral springs (611) are pulled to stretch, when eight arc hot plates (65) shrink, eight closing plates (67) shrink synchronously under the action of the reset force of the spiral springs (611), and the gap of eight arc hot plates (65) in the shrinkage process is continuously plugged, so that the subsequent eight arc hot plates (65) heat roller necks, and heat loss during heating of the arc hot plates (65) to the roller necks is reduced.
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| CN117020028B (en) * | 2023-10-10 | 2023-12-19 | 溧阳市江南烘缸制造有限公司 | Annular heating device for heating roller production and manufacturing |
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