Medium-frequency heating and heat preservation device

Abstract

The medium-frequency heating and heat preservation device comprises a heating assembly, a heat preservation mechanism and a discharging mechanism, the heating assembly, the heat preservation mechanism and the discharging mechanism are sequentially distributed, the heating assembly comprises three medium-frequency furnaces, and a first conveying mechanism is arranged on the lower portion of the output end of each medium-frequency furnace; a limiting mechanism is arranged on the upper portion of the first conveying mechanism. Second conveying mechanisms are distributed in the heat preservation mechanism at equal intervals. The discharging mechanism comprises a bottom support and third conveying mechanisms, and the third conveying mechanisms are installed at the top of the bottom support at equal intervals. And the lifting supporting mechanisms are arranged on the two sides of the outer portion of the bottom support, and the lifting portions of the lifting supporting mechanisms are connected with the top frame. Through batch heating of the three intermediate frequency furnaces, stable conveying of workpieces through the conveying and limiting mechanism, heat loss reduction through the heat preservation mechanism and lifting and sliding adjustment of the limiting piece, integrated operation is achieved, stability and adaptability are improved, and the problems of conveying deviation and the like are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of metal processing, in particular to a kind of intermediate frequency heating heat preservation device. BACKGROUND

[0002] Intermediate frequency heating technology is widely used in the heat processing procedure of workpiece due to high heating efficiency and good temperature controllability.

[0003] The existing intermediate frequency heating device is usually composed of single or a few intermediate frequency furnaces to form heating unit, and workpiece needs to be transferred to heat preservation equipment after heating by artificial or simple conveying equipment, and in this process, workpiece temperature is not uniform due to heat loss, which affects subsequent processing quality.

[0004] In discharging link, workpiece conveying often lacks precise limiting guide structure, and deviation, collision and other problems are prone to occur, which causes workpiece damage or conveying stagnation, therefore, a kind of intermediate frequency heating heat preservation device is proposed. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides an intermediate frequency heating heat preservation device to solve the problems in the background art.

[0006] To achieve the above purpose, the present application provides the following technical scheme: an intermediate frequency heating heat preservation device, comprising: A heating assembly, a heat preservation mechanism and a discharging mechanism are sequentially distributed, the heating assembly comprises three intermediate frequency furnaces, the output end lower part of the intermediate frequency furnace is provided with a first conveying mechanism, the upper part of the first conveying mechanism is provided with a limiting mechanism, and the limiting mechanism is connected with the intermediate frequency furnace; The second conveying mechanism is equidistantly distributed in the interior of the heat preservation mechanism, and the front part of the second conveying mechanism penetrates and extends out of the heat preservation mechanism; The discharging mechanism comprises a bottom support and a third conveying mechanism, and the third conveying mechanism is equidistantly installed on the top of the bottom support; Lifting support mechanism is arranged on the outer sides of the bottom support, the lifting part of the lifting support mechanism is connected with a top frame, the top frame is slidably installed with a strip-shaped guide piece on the inner front and rear sides, the top middle part of the strip-shaped guide piece is provided with a guide block, and the inner upper end of the top frame is provided with a driving screw member penetratingly, and one end of the strip-shaped guide piece towards the third conveying mechanism is provided with equidistantly distributed limiting rotating pieces; Linear drive mechanism can adopt electric push rod, and the telescopic end of the electric push rod is connected with connecting member, stable lifting adjustment of the top frame is realized through the telescopic movement of the electric push rod through the connecting member, so as to ensure that the top frame can accurately reach the required height, so as to adapt to the requirement of workpiece conveying stability under different working conditions; The workpiece conveying stability is guaranteed by the cooperation of the conveying mechanism and the limiting mechanism, the heat preservation path is prolonged by the conveying structure in the heat preservation mechanism to reduce heat loss, the multi-dimensional precise adaptation of the limiting components is realized by the lifting and sliding adjustment structure to meet the workpiece machining requirements of different specifications and improve the overall operation automation and reliability.

[0007] Preferably, the lifting support mechanism comprises a support frame, a linear driving mechanism and a connecting member, the linear driving mechanism is installed at the top of the support frame, the support frame is connected with the bottom support, and the two ends of the connecting member are respectively connected with the output end of the linear driving mechanism and the top frame; The connecting member is a connecting rod, one end of which is hinged with the output end of the electric push rod, and the other end is hinged with the top frame; when the electric push rod is extended or retracted, the connecting rod is driven to move, thereby the top frame is adjusted in height to complete the adjustment of the height of the discharging mechanism to meet different working conditions.

[0008] Preferably, the driving screw member is connected with the guide block through thread cooperation, and the driving screw member is rotationally connected with the top frame. The driving screw member is a double-headed screw, and the guide block is provided with a corresponding internal thread hole, and the two are screwed to realize thread cooperation; a bearing is installed at the connection between the top frame and the driving screw member, and the driving screw member passes through the inner ring of the bearing to realize rotational connection with the top frame.

[0009] Preferably, a driving disc body is installed at one end of the outer part of the driving screw member, and the driving disc body is connected with the driving screw member. A circular hole with an outer diameter matching that of the driving screw member is arranged at the center of the driving disc body, one end of the driving screw member is inserted into the circular hole, a threaded hole is arranged on the side wall of the circular hole, a screw is used to pass through the threaded hole to tightly press the driving screw member, and the driving disc body and the driving screw member are stably connected.

[0010] Preferably, guide grooves are arranged at the two ends of the strip-shaped guide inside the top frame, and the strip-shaped guide is slidably connected with the guide grooves. The three intermediate frequency furnaces of the heating assembly can fully heat the workpiece; the first conveying mechanism cooperates with the limiting mechanism to stably convey the heated workpiece; the second conveying mechanism in the heat preservation mechanism is equidistantly distributed; the third conveying mechanism of the discharging mechanism can uniformly bear and heat and convey the workpiece; the lifting support mechanism on both sides of the bottom support can adjust the height of the top frame; the operator rotates the driving disc body to drive the driving screw member; the strip-shaped guide slides along the guide groove; the distance between the two rows of limiting rotating pieces is adjusted to adapt to the width of the workpiece; the conveying stability is guaranteed; the limiting rotating piece is installed through the cooperation of the insert piece and the insert slot; the elastic reset piece and the magnetic piece reinforce the limiting; the handrail support is convenient for operation; the whole realizes the coordinated and efficient operation of heating, heat preservation and discharging.

[0011] Preferably, the top of the limiting rotating piece is rotatably installed with a plug-in piece, and the bottom of the strip-shaped guide piece is provided with a plug-in slot matched with the plug-in piece. The operator holds the handrail support, aligns the plug-in piece at the top of the limiting rotating piece with the plug-in slot at the bottom of the strip-shaped guide piece, slowly applies a downward force, and inserts the plug-in piece into the plug-in slot. In the process of insertion, the elastic reset piece in the side cavity pushes the limiting piece to be clamped into the limiting ring slot of the plug-in piece, and the magnetic piece at the top of the plug-in slot adsorbs the plug-in piece, thereby completing the stable installation.

[0012] Preferably, the plug-in slot is provided with a side cavity on both sides inside, and the inside of the side cavity is sequentially provided with an elastic reset piece and a limiting piece from inside to outside. The elastic reset piece is a reset spring, and the limiting piece is spherical. The matching design of the plug-in slot and the plug-in piece, combined with the elastic reset piece and the spherical limiting piece in the side cavity, realizes quick installation and stable limiting, effectively prevents the workpiece from deviating and falling off during the conveying process. At the same time, the addition of the magnetic piece further enhances the stability of the plug-in piece, the handrail support is convenient to operate, and the overall use convenience and safety are improved. The design ensures the stable transmission of the workpiece during heating, heat preservation and discharging, and improves the production efficiency and product quality.

[0013] Preferably, the plug-in piece is provided with a limiting ring slot outside, and the limiting ring slot is integrally formed with the plug-in piece. The limiting ring slot is matched with the limiting piece. When installing the limiting rotating piece, align the plug-in piece at the top of the limiting rotating piece with the plug-in slot at the bottom of the strip-shaped guide piece, and slowly insert it. In the process of insertion, the elastic reset piece in the side cavity will push the limiting piece to move in the direction of the plug-in piece. When the plug-in piece is inserted in place, the limiting piece is clamped into the limiting ring slot of the plug-in piece to achieve limiting. At the same time, the magnetic piece at the top of the plug-in slot will adsorb the plug-in piece for reinforcement. If disassembly is required, the plug-in piece can be pulled out with the assistance of the handrail support.

[0014] Preferably, the top of the plug-in slot is provided with a magnetic piece, and the magnetic piece is connected with the strip-shaped guide piece through bolts. The magnetic piece is a magnet, and the plug-in piece is a metal piece that can be adsorbed by magnetic force. If the magnetic force of the magnetic piece is insufficient to cause the plug-in piece to be adsorbed firmly, auxiliary magnetic blocks can be added around the magnetic piece. The auxiliary magnetic blocks are fixed on the periphery of the top of the plug-in slot by adhesion or buckling, thereby enhancing the adsorption force of the plug-in piece, ensuring the stable installation of the limiting rotating piece, and preventing the plug-in piece from loosening and falling off during the operation process to affect the limiting effect on the workpiece.

[0015] Preferably, the side of the limiting rotating piece close to the plug-in piece is provided with a handrail support, and the handrail support is connected with the limiting rotating piece through bolts. First, drill a threaded hole with appropriate aperture and depth on the corresponding position of the limiting rotating part and the handrail support, select a bolt matching the specification of the threaded hole, pass the bolt through the threaded holes of both, and then tighten and fix the other end with a suitable specification nut to ensure firm connection and meet the force requirement when operating the limiting rotating part.

[0016] In summary, compared with the prior art, the present application provides a medium-frequency heating and heat preservation device, which has the following advantages: The three medium-frequency furnaces of the heating assembly realize batch heating of workpieces, the first conveying mechanism cooperates with the limiting mechanism to ensure stable conveying of the heated workpieces, the second conveying mechanism equally distributed in the heat preservation mechanism realizes continuous heat preservation and conveying of the workpieces, avoiding heat loss, the third conveying mechanism of the discharging mechanism undertakes conveying, the lifting support mechanism drives the limiting rotating part to rise and fall through the top frame, the drive screw member cooperates with the strip-shaped guide to adjust the transverse position of the limiting rotating part, and the limiting rotating part is accurately positioned and guided, realizing integrated and collaborative operation of heating, heat preservation and discharging, having the advantages of improving the stability of workpiece conveying, reducing temperature loss and enhancing the adaptability of the equipment, solving the problems of conveying deviation, poor heat preservation effect and complicated adjustment of the traditional device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure of the present application.

[0018] Figure 2 It is the discharging mechanism of the present application.

[0019] Figure 3 It is the strip-shaped guide structure sectional view of the present application.

[0020] Figure 4 It is the Figure 3 A local enlarged view of the A area of the present application.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, medium-frequency furnace; 2, heat preservation mechanism; 3, first conveying mechanism; 4, limiting mechanism; 5, second conveying mechanism; 6, bottom support; 7, third conveying mechanism; 8, support frame; 9, linear drive mechanism; 10, connecting member; 11, top frame; 12, guide groove; 13, guide block; 14, strip-shaped guide; 15, drive screw member; 16, drive disc body; 17, limiting rotating part; 18, handrail support; 19, plug-in part; 20, limiting ring groove; 21, plug-in groove; 22, magnetic part; 23, side cavity; 24, elastic reset part; 25, limiting part. DETAILED DESCRIPTION

[0022] The present application provides a technical solution, a medium-frequency heating and heat preservation device, please refer to Figures 1-4 , comprising: The heating assembly, the heat preservation mechanism 2 and the discharging mechanism are sequentially distributed, the heating assembly comprises three intermediate frequency furnaces 1, the lower part of the output end of the intermediate frequency furnace 1 is provided with the first conveying mechanism 3, the upper part of the first conveying mechanism 3 is provided with the limiting mechanism 4, and the limiting mechanism 4 is connected with the intermediate frequency furnace 1; The second conveying mechanism 5 is equidistantly distributed in the inside of the heat preservation mechanism 2, and the front part of the second conveying mechanism 5 penetrates and extends out of the heat preservation mechanism 2; The discharging mechanism comprises a bottom support 6 and a third conveying mechanism 7, and the third conveying mechanism 7 is equidistantly installed on the top of the bottom support 6; The lifting support mechanism is arranged on the two sides of the outside of the bottom support 6, the lifting part of the lifting support mechanism is connected with a top frame 11, the inside of the top frame 11 is slidably provided with a strip-shaped guide 14 on the front and rear sides, the top middle part of the strip-shaped guide 14 is provided with a guide block 13, the inside of the top frame 11 is provided with a driving screw member 15 penetratingly arranged on the upper end, and one end of the strip-shaped guide 14 towards the third conveying mechanism 7 is provided with equidistantly distributed limiting rotating members 17; The linear driving mechanism 9 can adopt an electric push rod, the telescopic end of the electric push rod is connected with the connecting member 10, through the telescopic movement of the electric push rod, the top frame 11 is driven to realize stable lifting adjustment through the connecting member 10, so that the top frame 11 can accurately reach the required height, so as to adapt to the requirements of workpiece conveying stability under different working conditions; The heating assembly, the heat preservation mechanism 2 and the discharging mechanism are sequentially distributed, the three intermediate frequency furnaces 1 of the heating assembly cooperate with the first conveying mechanism 3 and the limiting mechanism 4, so that the workpiece can be orderly heated and prevented from being separated; the second conveying mechanism 5 equidistantly distributed in the heat preservation mechanism 2 can bear and heat preservation convey the workpiece; the bottom support 6 and the third conveying mechanism 7 of the discharging mechanism can receive and send out the workpiece; the lifting support mechanism on the two sides of the outside of the bottom support 6 can adjust the height of the top frame 11, and the strip-shaped guide 14, the guide block 13 and the driving screw member 15 in the top frame 11 cooperate, so that the distance between the two rows of limiting rotating members 17 can be controlled to adapt to the width of the workpiece, so that the workpiece conveying is stable; the overall structure cooperates, and the efficient and stable process of the workpiece from heating, heat preservation to discharging is guaranteed.

[0023] Please refer to Figure 1 and Figure 2 The lifting support mechanism comprises a support frame 8, a linear driving mechanism 9 and a connecting member 10, the linear driving mechanism 9 is installed on the top of the support frame 8, the support frame 8 is connected with the bottom support 6, and the two ends of the connecting member 10 are respectively connected with the output end of the linear driving mechanism 9 and the top frame 11; The connecting member 10 is a connecting rod, one end of which is hinged to the output end of the electric push rod, and the other end is hinged to the top frame 11; when the electric push rod is extended or retracted, the connecting rod is driven to move, thereby enabling the top frame 11 to be adjusted in height, so as to adjust the height of the discharging mechanism and meet the requirements of different working conditions; The support frame 8 is connected with the bottom support 6 to provide stable support for the whole; the linear driving mechanism 9 is installed on the top of the support frame 8 and is connected with the top frame 11 through the connecting member 10, which can accurately drive the top frame 11 to rise and fall; this design can flexibly adjust the height of the discharging mechanism according to actual requirements, so as to adapt to the discharging requirements of workpieces of different sizes; at the same time, the structure is simple and reliable, the linear driving mechanism 9 runs smoothly, which can effectively reduce the occurrence of faults, improve the stability and reliability of the equipment operation, ensure the smooth operation of the whole medium-frequency heating and holding device, and improve the production efficiency.

[0024] Please refer to Figure 1 and Figure 2 , the driving screw member 15 is connected with the guide block 13 through thread cooperation, and the driving screw member 15 is rotationally connected with the top frame 11; The driving screw member 15 is a double-end screw, and the guide block 13 is provided with a corresponding internal threaded hole, and the two are screwed to realize thread cooperation; the top frame 11 is provided with a bearing at the connection position with the driving screw member 15, and the driving screw member 15 penetrates through the inner ring of the bearing to realize rotational connection with the top frame 11; The three medium-frequency furnaces 1 of the heating assembly cooperate with the first conveying mechanism 3 and the limiting mechanism 4 to efficiently complete the heating of the workpiece and prevent it from falling off.

[0025] The second conveying mechanism 5 evenly distributed in the holding mechanism 2 can stably convey the holding workpiece; in the discharging mechanism, the bottom support 6, the third conveying mechanism 7, the lifting support mechanism, the top frame 11, the strip-shaped guide 14, the driving screw member 15, etc. work together, the height of the top frame 11 is adjusted through the lifting support mechanism, the driving disc body 16 is rotated to drive the driving screw member 15 to rotate, the strip-shaped guide 14 is driven to slide, the distance between the two rows of limiting rotating pieces 17 is controlled to adapt to the width of the workpiece, and the conveying stability is ensured; the limiting rotating piece 17 is conveniently installed and limited through the plug-in structure of the plug-in piece 19 and the strip-shaped guide 14, the cooperative operation of heating, holding and discharging is completed, and the production efficiency and product quality are improved.

[0026] Please refer to Figure 1 and Figure 2 , the outer end of the driving screw member 15 is provided with a driving disc body 16, and the driving disc body 16 is connected with the driving screw member 15; The center of the driving disc body 16 is provided with a circular hole matched with the outer diameter of the driving screw member 15, one end of the driving screw member 15 is inserted into the circular hole, a threaded hole is arranged on the side wall of the circular hole, and a screw is used to tightly press the driving screw member 15 through the threaded hole, so that the stable connection of the driving disc body 16 and the driving screw member 15 is realized; The three intermediate frequency furnaces 1 of the heating assembly can meet the batch workpiece heating demand, the first conveying mechanism 3 and the limiting mechanism 4 cooperate to ensure that the workpiece is stably conveyed to the heat preservation mechanism 2; the second conveying mechanism 5 in the heat preservation mechanism 2 enables the workpiece to be heat preservation conveyed in a suitable environment; in the discharging mechanism, the bottom support 6, the third conveying mechanism 7 and the lifting support mechanism cooperate to realize the lifting adjustment of the top frame 11 through the linear driving mechanism 9 and the like; the driving disc body 16 drives the driving screw member 15 to rotate, so that the strip-shaped guide piece 14 slides, the distance between the two rows of limiting rotary pieces 17 is adjusted, different widths of workpieces are adapted, and deviation and falling are prevented; the limiting rotary piece 17 is stably installed and limited and guided in cooperation with the plug-in piece 19, the plug-in groove 21, the elastic reset piece 24, the limiting piece 25 and the magnetic piece 22, and the heating, heat preservation and discharging operations are completed in cooperation of the structures, and the production efficiency and quality are improved.

[0027] Please refer to Figure 1 and Figure 2 , the top frame 11 is provided with a guide groove 12 at both ends of the strip-shaped guide piece 14 inside; The three intermediate frequency furnaces 1 of the heating assembly can fully heat the workpiece; the first conveying mechanism 3 cooperates with the limiting mechanism 4 to stably convey the heated workpiece; the second conveying mechanism 5 in the heat preservation mechanism 2 is distributed at equal intervals; the workpiece can be uniformly carried and heat preservation conveyed; the third conveying mechanism 7 of the discharging mechanism receives and conveys the workpiece; the lifting support mechanism on both sides of the bottom support 6 can adjust the height of the top frame 11; the operator rotates the driving disc body 16 to drive the driving screw member 15; the strip-shaped guide piece 14 slides along the guide groove 12; the distance between the two rows of limiting rotary pieces 17 is adjusted to adapt to the width of the workpiece; the stability of conveying is ensured; the limiting rotary piece 17 is installed in cooperation with the plug-in piece 19 and the plug-in groove 21; the elastic reset piece 24 and the magnetic piece 22 reinforce the limiting; the handrail support 18 is convenient for operation; the whole realizes the cooperative and efficient operation of heating, heat preservation and discharging.

[0028] Please refer to Figure 3 and Figure 4 , the top of the limiting rotary piece 17 is rotatably provided with the plug-in piece 19, and the bottom of the strip-shaped guide piece 14 is provided with the plug-in groove 21 matched with the plug-in piece 19; The operator holds the handrail support 18, aligns the plug-in part 19 at the top of the limiting rotating part 17 with the plug-in slot 21 at the bottom of the strip-shaped guide 14, slowly applies a downward force to make the plug-in part 19 inserted into the plug-in slot 21, in the process of insertion, the elastic reset part 24 in the side cavity 23 pushes the limiting part 25 to be clamped into the limiting ring groove 20 of the plug-in part 19, at the same time, the magnetic part 22 at the top of the plug-in slot 21 adsorbs the plug-in part 19, and the stable installation is completed; The three intermediate frequency furnaces 1 of the heating assembly cooperate with the first conveying mechanism 3 and the limiting mechanism 4, can efficiently complete workpiece heating and prevent it from being separated; the second conveying mechanism 5 in the heat preservation mechanism 2 can uniformly bear and heat preservation transport workpieces; in the discharging mechanism, the bottom support 6, the third conveying mechanism 7 and the lifting support mechanism cooperate, can realize lifting adjustment; the driving disc body 16 drives the driving screw component 15 to rotate, can drive the strip-shaped guide 14 to slide, control the distance between the two rows of limiting rotating parts 17 to adapt to the width of the workpiece, and guarantee the stability of conveying; the limiting rotating part 17 is stably installed and conveniently disassembled through the plug-in structure of the plug-in part 19 and the strip-shaped guide 14, cooperates with the elastic reset part 24, the limiting part 25 and the magnetic part 22, guarantees the limiting and guiding of the workpiece, and completes the cooperative operation of heating, heat preservation and discharging.

[0029] Please refer to Figure 3 and Figure 4 , the inside of the plug-in slot 21 is provided with a side cavity 23 on both sides, the inside of the side cavity 23 is sequentially provided with an elastic reset part 24 and a limiting part 25 from inside to outside, the elastic reset part 24 is a reset spring, and the limiting part 25 is spherical; The adaptive design of the plug-in slot 21 and the plug-in part 19, in combination with the elastic reset part 24 and the spherical limiting part 25 in the side cavity 23, realizes quick installation and stable limiting, effectively prevents the workpiece from deviating and falling off in the conveying process; at the same time, the addition of the magnetic part 22 further enhances the stability of the plug-in part 19, the handrail support 18 is convenient to operate, and the overall use convenience and safety are improved; the design ensures the stable transmission of the workpiece in the heating, heat preservation and discharging process, improves the production efficiency and product quality.

[0030] Please refer to Figure 3 and Figure 4 , the plug-in part 19 is provided with a limiting ring groove 20 on the outside, and the limiting ring groove 20 is integrally formed with the plug-in part 19, and the limiting ring groove 20 is adapted to the limiting part 25; In the installation of the limiting rotary piece 17, the insertion piece 19 at the top of the limiting rotary piece 17 is aligned with the insertion slot 21 at the bottom of the strip-shaped guide piece 14, and is slowly inserted; during the insertion process, the elastic reset piece 24 in the side cavity 23 pushes the limiting piece 25 to move towards the insertion piece 19, and when the insertion is in place, the limiting piece 25 is clamped into the limiting ring slot 20 of the insertion piece 19 to achieve limiting; at the same time, the magnetic piece 22 at the top of the insertion slot 21 can attract the insertion piece 19 for reinforcement, and if disassembly is required, the insertion piece 19 can be pulled out with the assistance of the handrail support 18; The three intermediate frequency furnaces 1 of the heating assembly cooperate with the first conveying mechanism 3 and the limiting mechanism 4 to ensure stable heating and conveying of the workpiece; the second conveying mechanism 5 in the heat preservation mechanism 2 can allow the workpiece to be internally heat-preserved and conveyed; in the discharging mechanism, the bottom support 6, the third conveying mechanism 7, the lifting support mechanism, etc. work cooperatively, and by adjusting the height of the top frame 11 and controlling the spacing of the strip-shaped guide pieces 14, different widths of workpieces can be adapted to, so that the workpieces are more stable during conveying and are prevented from deviating and falling off; the limiting rotary piece 17 cooperates with the insertion slot 21 of the strip-shaped guide piece 14 through the insertion piece 19, and the elastic reset piece 24, the limiting piece 25 and the magnetic piece 22 are used to realize quick installation and stable limiting, and the handrail support 18 is convenient for operation, and the overall device realizes cooperative and efficient operation of heating, heat preservation and discharging.

[0031] Please refer to Figure 3 and Figure 4 , the top of the insertion slot 21 is provided with a magnetic piece 22, the magnetic piece 22 is connected with the strip-shaped guide piece 14 through bolts, the magnetic piece 22 is a magnet, and the insertion piece 19 is a metal piece that can be attracted by magnetic force; If the magnetic force of the magnetic piece 22 is insufficient to cause the insertion piece 19 to be not firmly attracted, auxiliary magnetic blocks can be additionally arranged around the magnetic piece 22, the auxiliary magnetic blocks are fixed on the top periphery of the insertion slot 21 through gluing or buckling, the attraction force of the insertion piece 19 is enhanced, the installation of the limiting rotary piece 17 is stable, and the insertion piece 19 is prevented from loosening and falling off to affect the limiting effect on the workpiece during operation; The heating assembly is provided with three intermediate frequency furnaces 1, which cooperate with the first conveying mechanism 3 and the limiting mechanism 4 to efficiently complete workpiece heating and prevent falling off; the second conveying mechanism 5 equally distributed in the heat preservation mechanism 2 can realize workpiece conveying and heat preservation; in the discharging mechanism, the bottom support 6 and the third conveying mechanism 7 receive and convey the workpiece; the lifting support mechanism can adjust the height of the top frame 11, the driving screw member 15 can control the spacing of the strip-shaped guide pieces 14, different widths of workpieces can be adapted to, and the conveying stability is improved; the limiting rotary piece 17 cooperates with the insertion slot 21 through the insertion piece 19, the elastic reset piece 24, the limiting piece 25 and the magnetic piece 22 ensure firm installation, the handrail support 18 is convenient for operation, and the overall device realizes cooperative operation of heating, heat preservation and discharging, improves production efficiency and product quality.

[0032] Please refer to Figure 3 andFigure 4 The outer side of the limiting rotating piece 17 close to the plug-in piece 19 is provided with a handrail support 18, and the handrail support 18 is connected with the limiting rotating piece 17 through bolts; First, drill threaded holes with appropriate aperture and depth on the corresponding positions of the limiting rotating piece 17 and the handrail support 18, select bolts matching the specifications of the threaded holes, pass the bolts through the threaded holes of the two, and then tighten and fix the other end with a nut of appropriate specification, to ensure firm connection and meet the force requirement when operating the limiting rotating piece 17; The three intermediate frequency furnaces 1 of the heating assembly cooperate with the first conveying mechanism 3 and the limiting mechanism 4, can efficiently complete workpiece heating and prevent it from detaching; the second conveying mechanism 5 of the heat preservation mechanism 2 can make the workpiece internally transported and preserved; in the discharging mechanism, the bottom support 6, the third conveying mechanism 7 and the lifting support mechanism cooperate, through lifting adjustment and driving the sliding of the strip-shaped guide pieces 14, can control the distance between the two rows of limiting rotating pieces 17 to adapt to the width of the workpiece; and the limiting rotating pieces 17 are inserted and assembled with the strip-shaped guide pieces 14 through the plug-in structure of the plug-in piece 19 and the strip-shaped guide pieces 14, and the handrail support 18 is arranged, which facilitates loading and unloading and moving and can limit and guide the workpiece, ensuring the stability of workpiece conveying during heating, heat preservation and discharging collaborative operation, preventing deviation and falling off.

[0033] Working principle: the workpiece is heated in the three intermediate frequency furnaces 1 and is conveyed through the first conveying mechanism 3, at this time the upper limiting mechanism 4 limits the workpiece to prevent it from detaching and falling off; then the workpiece enters the heat preservation mechanism 2, is carried by the second conveying mechanism 5 distributed equidistantly inside and is transported and preserved in the heat preservation mechanism 2, and is sent out through the second conveying mechanism 5 extending out of the heat preservation mechanism 2 from the front; the sent-out workpiece enters the discharging mechanism and is received and conveyed by the third conveying mechanism 7 installed equidistantly on the top of the bottom support 6; At the same time, the lifting support mechanisms on the outer sides of the bottom support 6 drive the connecting members 10 through the linear drive mechanisms 9 on the support frames 8, drive the top frames 11 to realize lifting adjustment; the operator rotates the driving disc body 16 to drive the driving screw members 15 to rotate, through the thread cooperation with the top guide blocks 13 of the strip-shaped guide pieces 14, drives the strip-shaped guide pieces 14 to slide along the guide grooves 12 inside the top frames 11; so as to make the strip-shaped guide pieces 14 close to or away from each other, control the distance between the two rows of limiting rotating pieces 17 to adapt to the width of the workpiece, and then make the stability of the workpiece during conveying in the discharging mechanism, prevent deviation and falling off; The limiting rotating piece 17 is installed by inserting the insertion piece 19 at the top of the limiting rotating piece 17 into the insertion slot 21 at the bottom of the strip-shaped guide 14. When inserted, the elastic reset piece 24 in the side cavity 23 pushes the limiting piece 25 to be clamped into the limiting ring groove 20 of the insertion piece 19 to achieve limiting. The magnetic piece 22 at the top of the insertion slot 21 adsorbs the insertion piece 19 to reinforce it. The handrail support 18 assists in the operation of inserting and removing or moving the insertion piece 19. Finally, the limiting rotating piece 17 limits and guides the workpiece on the third conveying mechanism 7, and completes the cooperative operation of heating, heat preservation and discharging.

Claims

1. An intermediate frequency heating holding device, characterized by comprising: Include: Heating components, heat preservation mechanism (2) and discharge mechanism, the heating components, heat preservation mechanism (2) and discharge mechanism are sequentially distributed, the heating components include three intermediate frequency furnaces (1), the lower part of the output end of the intermediate frequency furnace (1) is provided with the first transport mechanism (3), the upper part of the first transport mechanism (3) is provided with the limiting mechanism (4), and the limiting mechanism (4) is connected with the intermediate frequency furnace (1); The inside of the heat preservation mechanism (2) is equally distributed with the second transport mechanism (5), and the front of the second transport mechanism (5) penetrates and extends out of the heat preservation mechanism (2); The discharge mechanism includes a bottom support (6) and a third transport mechanism (7), and the third transport mechanism (7) is equally installed on the top of the bottom support (6). The lifting support mechanism is arranged on the outer sides of the bottom support (6), the lifting part of the lifting support mechanism is connected with the top frame (11), the inside of the top frame (11) is slidably installed with a strip-shaped guide (14) on the front and rear sides, the top middle part of the strip-shaped guide (14) is provided with a guide block (13), the inside of the top frame (11) is provided with a drive screw member (15) penetratingly, and one end of the strip-shaped guide (14) towards the third transport mechanism (7) is installed with equally distributed limiting rotating members (17).

2. The medium frequency heating holding device according to claim 1, characterized in that: The lifting support mechanism includes a support frame (8), a linear drive mechanism (9) and a connecting member (10), the linear drive mechanism (9) is installed on the top of the support frame (8), the support frame (8) is connected with the bottom support (6), and the two ends of the connecting member (10) are respectively connected with the output end of the linear drive mechanism (9) and the top frame (11).

3. The medium frequency heating holding device according to claim 1, characterized in that: The drive screw member (15) is connected with the guide block (13) through thread cooperation, and the drive screw member (15) is rotatably connected with the top frame (11).

4. The medium frequency heating holding device according to claim 1, characterized in that: One end of the drive screw member (15) is installed with a driving disc body (16), and the driving disc body (16) is connected with the drive screw member (15).

5. The medium frequency heating holding device according to claim 1, characterized in that: The two ends of the strip-shaped guide (14) inside the top frame (11) are provided with guide grooves (12), and the strip-shaped guide (14) is slidably connected with the guide grooves (12).

6. The medium frequency heating holding device according to claim 1, characterized in that: The top of the limiting rotating member (17) is rotatably installed with a plug-in member (19), and the bottom of the strip-shaped guide (14) is provided with a plug-in groove (21) matched with the plug-in member (19).

7. The medium frequency heating holding device according to claim 6, characterized in that: The inside of the plug-in groove (21) is provided with a side cavity (23) on both sides, and the inside of the side cavity (23) is sequentially provided with an elastic reset member (24) and a limiting member (25) from inside to outside.

8. The medium frequency heating holding device according to claim 7, characterized in that: The outside of the plug-in member (19) is provided with a limiting ring groove (20), and the limiting ring groove (20) is integrally formed with the plug-in member (19), and the limiting ring groove (20) is matched with the limiting member (25).

9. The medium frequency heating holding device according to claim 8, characterized in that: The top of the plug-in groove (21) is provided with a magnetic member (22), and the magnetic member (22) is connected with the strip-shaped guide (14) through bolts.

10. The medium frequency heating holding device according to claim 6, characterized in that: The outside of the limiting rotating part (17) is provided with a handrail support (18) near the side of the plug-in part (19), and the handrail support (18) is connected with the limiting rotating part (17) through a bolt.

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