Compact lattice stacked jet plate-fin heat exchanger core and manufacturing method thereof

Abstract

The invention relates to the technical field of fin machining equipment, particularly discloses a compact dot matrix stacked jet plate-fin heat exchanger core and a manufacturing method thereof, and aims to solve the problem of inconvenient machining in the prior art. Comprising a heat exchange body, a plurality of dense holes are distributed in the upper end face and the lower end face of the heat exchange body, each dense hole is of a conical structure with the large outer end and the small inner end, the depth of each dense hole is one third of the thickness of the heat exchange body, and the dense holes are distributed in a rectangular array mode. The heat exchanger is designed according to the existing requirements, the micro-pore structure in dot matrix arrangement can be formed in the heat exchange body, and the micro-pores form a jet flow channel when being stacked, so that fluid forms a strong jet flow effect in the channel, and the heat exchange efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of fin processing equipment, in particular to a dense lattice stacked jet plate-fin heat exchanger core and a manufacturing method thereof. Background Art

[0002] At present, heat exchangers are widely used in energy, chemical, refrigeration and other industries as important equipment for heat transfer. Although the existing plate-fin heat exchanger core has a certain heat exchange efficiency, it is difficult to achieve higher heat exchange performance in a smaller space due to its structural design and manufacturing process. The traditional plate-fin heat exchanger core usually adopts a parallel plate fin structure to enhance the heat exchange effect by increasing the heat exchange area and increasing the fluid flow rate. However, while this method improves the heat exchange efficiency, it also increases the volume and manufacturing cost of the equipment. Defects of the prior art: In the prior art, there is an irreconcilable contradiction between the heat exchange efficiency of the plate-fin heat exchanger core and the volume of the equipment, and problems such as increased thermal resistance and uneven fluid distribution are prone to occur during long-term operation, affecting the stability and durability of the heat exchange performance.

[0003] Based on this, a dense lattice stacked jet plate-fin heat exchanger core and a manufacturing method thereof are now provided, which can eliminate the disadvantages of existing devices. Summary of the invention

[0004] The purpose of the present invention is to provide a dense lattice stacked jet plate-fin heat exchanger core and a manufacturing method thereof, thereby solving the problem of inconvenient processing in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions: The dense lattice stacked jet plate-fin heat exchanger core comprises a heat exchange body, and a plurality of dense holes are distributed on the upper end surface and the lower end surface of the heat exchange body. The dense holes are a conical structure with a large outer end and a small inner end. The depth of the dense holes is one third of the thickness of the heat exchange body. The dense holes are distributed in a rectangular array. Through the dense lattice stacked jet design, the heat exchange efficiency of the plate-fin heat exchanger core is significantly improved, while the equipment volume is reduced and the manufacturing cost is reduced. The above-mentioned heat exchanger core manufacturing method comprises the following steps: Step 1: The heat exchange body is transferred to the first processing point by the first transmission component, and the surface of the heat exchange body is drilled by the punching component to construct the first dense lattice stacking surface; Step 2: Flip the heat exchange body by using the flipping component so that the second processing surface is set upward, then transfer the heat exchange body to the second processing point by using the second transmission component, and drill holes on the other surface of the heat exchange body by using the punching component, so as to construct a second dense lattice stacking surface; Step 3: The processed heat exchange body is transferred to the target area through the second transmission component to complete the material collection.

[0006] On the basis of the above technical solution, the present invention also provides the following optional technical solution: In the optional scheme: the punching component includes a punching frame arranged above the first transmission component and the second transmission component, a guide beam is arranged above the punching frame, guide posts are symmetrically arranged at both ends of the guide beam, guide sleeves slidably matched with the guide posts are arranged on both sides of the punching frame, an electric lifting push rod is arranged in the middle position of the guide beam, the output end of the electric lifting push rod is connected to the punching frame, a puncher for drilling holes on the surface of the heat exchange body is arranged on the punching frame, the puncher is connected to a displacement adjusting member for driving its horizontal movement, and a positioning member for locking the position of the heat exchange body is arranged on the guide post; The heat exchange body is locked in position by a positioning piece, and then the surface of the heat exchange body is punched by a punching machine.

[0007] In an optional solution: the positioning member includes an electric clamping push rod fixedly arranged on the guide column, and the output end of the electric clamping push rod is provided with a clamping positioning plate which is pressed against the surface of the heat exchange body; The heat exchange body is positioned by clamping on both sides.

[0008] In the optional scheme: the displacement adjustment member includes a displacement slide rail arranged inside the punching frame, a punching slide seat is slidably provided on the displacement slide rail, a mounting area is provided at the lower end of the punching slide seat for facilitating the installation of the punching machine, a first threaded block is provided at the upper end of the punching slide seat, the first threaded block is threadedly arranged on the first threaded rod, one end of the first threaded rod is rotatably connected to the fixed block on the displacement slide rail, the other end of the first threaded rod is connected to a transverse motor for driving the rotation thereof, and a longitudinal pushing member for driving the displacement slide rail to move longitudinally is provided on the punching frame; The punching position can be adjusted by the displacement adjusting member so as to complete the punching process at different positions.

[0009] In an optional solution: the longitudinal pusher includes a second threaded rod arranged at the end of the displacement slide rail, the end of the second threaded rod is rotatably connected to the inner wall of the punching frame, the second threaded rod is connected to a second motor for driving the second threaded rod to rotate, the other end of the displacement slide rail is provided with a guide hole, a guide rod is slidably arranged in the guide hole, and both ends of the guide rod are fixedly connected to the inner wall of the punching frame; The threaded structure is driven by a second motor to provide power for longitudinal propulsion; In an optional solution: the upper and lower end surfaces of the displacement slide rail are provided with a first guide slide groove, and the provision of the first guide slide groove helps to improve the structural strength of the guide rail.

[0010] In the optional scheme: the flipping component includes a flipping roller, the flipping roller is arranged between the first transmission component and the second transmission component, a plurality of flipping clamps are arranged in an array outside the flipping roller, a flipping clamping cavity for facilitating the storage of the heat exchange body is provided on the flipping clamping plate, the distance between two adjacent flipping clamps is greater than the width of the first transmission component and the second transmission component, but smaller than the width of the heat exchange body, the width of the flipping clamping cavity is greater than the thickness of the heat exchange body, the axis height of the flipping roller corresponds to the transmission height of the first transmission component and the second transmission component, flipping legs are symmetrically provided at both ends of the flipping roller, and a flipping motor for driving the flipping roller to rotate is provided on the flipping legs; The upper and lower surfaces of the heat exchange body can be exchanged by the turning component, thereby facilitating the processing of the lower surface of the heat exchange body and helping to improve the processing efficiency.

[0011] In an optional solution: a pressure sensor for sensing the position of the heat exchange body is provided on the surface of the flip clamping plate where the flip clamping cavity is located; The pressure sensor here can detect the position of the heat exchange body when squeezed, providing a reference for subsequent flipping.

[0012] In an optional scheme: the first transmission component and the second transmission component include a transmission belt, and a transmission roller is respectively provided at both ends of the transmission belt, and the transmission roller is rotatably arranged on a transmission side plate, and a transmission leg is provided at the lower end of the transmission side plate, and a transmission motor for driving the transmission roller to rotate is provided on the transmission side plate, and the width of the transmission belt is smaller than the length of the heat exchange body, and an anti-slip layer is provided at the upper end of the transmission belt. The heat exchange body can be processed on an assembly line through the first transmission component and the second transmission component, which helps to improve the processing efficiency.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention is designed to meet existing needs and can form a microporous structure arranged in a lattice on the heat exchange body. These microporous structures form a jet channel when stacked, so that the fluid forms a strong jet effect in the channel, thereby greatly improving the heat exchange efficiency. The present invention can quickly perform a turning operation after one surface of the heat exchange body is processed to complete the processing of the other surface, thereby ensuring the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention.

[0015] Figure 2 It is a structural schematic diagram of one side of the processing equipment of the present invention.

[0016] Figure 3 It is a schematic structural diagram of the other side of the processing equipment of the present invention.

[0017] Figure 4 It is a schematic diagram of the lower structure of the processing equipment of the present invention.

[0018] Figure 5 It is a schematic diagram of the structure of the punching component of the present invention.

[0019] Figure 6 It is a schematic diagram of the lower structure of the punching component of the present invention.

[0020] Notes on reference numerals: 500, heat exchange body; 501, dense hole; 100, transmission belt; 101, transmission roller; 102, transmission motor; 103, transmission side plate; 200, punching component; 201, guide column; 202, guide sleeve; 203, guide beam; 204, punching slide; 205, electric lifting push rod; 206, first threaded block; 207, first threaded rod; 208, first guide slide groove; 209, punching frame; 210, second threaded rod; 211, second motor; 212, displacement slide rail; 213, punching machine; 214, clamping positioning plate; 215, electric clamping push rod; 300, turning roller; 301, turning clamp; 302, turning clamping chamber; 303, turning motor; 304, turning legs. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] like Figure 1-Figure 3 As shown, the embodiment of the present invention provides a dense lattice stacked jet plate-fin heat exchanger core, including a heat exchange body 500, wherein a plurality of dense holes 501 are distributed on the upper end surface and the lower end surface of the heat exchange body 500, wherein the dense holes 501 are a conical structure with a large outer end and a small inner end, and the depth of the dense holes 501 is one third of the thickness of the heat exchange body 500, and the dense holes 501 are distributed in a rectangular array. Through the dense lattice stacked jet design, the heat exchange efficiency of the plate-fin heat exchanger core is significantly improved, while the equipment volume is reduced and the manufacturing cost is reduced; The method for manufacturing the heat exchanger core comprises the following steps: Step 1: The heat exchange body 500 is transferred to the first processing point by the first transmission component, and the surface of the heat exchange body 500 is drilled by the punching component 200 to construct a first dense lattice stacking surface; Step 2: Flip the heat exchange body 500 by using the flipping component so that the second processing surface is facing upward, then transfer the heat exchange body 500 to the second processing point by using the second transmission component, and perform drilling processing on the other surface of the heat exchange body 500 by using the punching component 200, so as to construct a second dense lattice stacking surface; Step 3: The processed heat exchange body 500 is transferred to the target area through the second transmission component to complete the material collection; like Figure 1 , Figure 5 and Figure 6 As shown, the punching component 200 includes a punching frame 209 arranged above the first transmission component and the second transmission component, a guide beam 203 is arranged above the punching frame 209, guide columns 201 are symmetrically arranged at both ends of the guide beam 203, guide sleeves 202 that slide with the guide columns 201 are arranged on both sides of the punching frame 209, an electric lifting push rod 205 is arranged in the middle position of the guide beam 203, and the output end of the electric lifting push rod 205 is connected to the punching frame 209, and a puncher 213 for drilling holes on the surface of the heat exchange body 500 is arranged on the punching frame 209, and the puncher 213 is connected to a displacement adjustment member for driving its horizontal movement, and the position of the puncher 213 can be driven by the displacement adjustment member to adjust the position, so as to perform drilling processing at different positions on the surface of the heat exchange body 500, and a positioning member for locking the position of the heat exchange body 500 is arranged on the guide column 201, and the position of the heat exchange body 500 can be locked by the positioning member to ensure the stability of processing; The positioning member includes an electric clamping push rod 215 fixedly arranged on the guide column 201, and an output end of the electric clamping push rod 215 is provided with a clamping positioning plate 214 which is pressed against the surface of the heat exchange body 500; See also Figure 4The displacement adjustment member includes a displacement slide rail 212 arranged inside the punching frame 209, a punching slide seat 204 is slidably provided on the displacement slide rail 212, a mounting area for facilitating the installation of a punching machine 213 is provided at the lower end of the punching slide seat 204, a first threaded block 206 is provided at the upper end of the punching slide seat 204, the first threaded block 206 is threadedly arranged on a first threaded rod 207, one end of the first threaded rod 207 is rotatably connected to a fixed block on the displacement slide rail 212, and the other end of the first threaded rod 207 is connected to a transverse motor for driving the rotation thereof, and the fixed portion of the transverse motor The fixed end is installed on the displacement slide rail 212. Under the action of the transverse motor, the punching slide 204 and the first threaded rod 207 rotate relative to each other. Under the action of the thread, the first threaded block 206 drives the punching slide 204 to slide along the displacement slide rail 212, thereby completing the adjustment of the position of the punching slide 204. The punching frame 209 is provided with a longitudinal pusher for driving the displacement slide rail 212 to move longitudinally. Under the action of the longitudinal pusher, the displacement slide rail 212 moves longitudinally along the inner wall of the punching frame 209, thereby further adjusting the position of the punch 213. The longitudinal pusher includes a second threaded rod 210 arranged at the end of a displacement slide rail 212, the displacement slide rail 212 and the second threaded rod 210 are threadedly connected, the end of the second threaded rod 210 is rotatably connected to the inner wall of the punching frame 209, the second threaded rod 210 is connected to a second motor 211 for driving the rotation thereof, the other end of the displacement slide rail 212 is provided with a guide hole, a guide rod is slidably provided in the guide hole, both ends of the guide rod are fixedly connected to the inner wall of the punching frame 209, under the action of the second motor 211, the second threaded rod 210 matches the displacement slide rail 212, thereby driving the displacement slide rail 212 to slide along the guide rod, thereby providing power for the longitudinal movement of the punch 213; The upper and lower end surfaces of the displacement slide rail 212 are provided with a first guide slide groove 208, and the first guide slide groove 208 is located in the middle of the displacement slide rail 212, which helps to improve the structural strength; like Figure 2As shown, the flipping component includes a flipping roller 300, which is arranged between the first transmission component and the second transmission component. A plurality of flipping clamps 301 are arranged in an array outside the flipping roller 300. The flipping clamps 301 are provided with a flipping clamping cavity 302 for storing the heat exchange body 500. The distance between two adjacent flipping clamps 301 is greater than the width of the first transmission component and the second transmission component, but smaller than the width of the heat exchange body 500. The width of the flipping clamping cavity 302 is greater than the thickness of the heat exchange body 500. The axial height of the flipping roller 300 corresponds to the transmission height of the first transmission component and the second transmission component. , turning legs 304 are symmetrically arranged at both ends of the turning roller 300, the shaft end of the turning roller 300 is rotatably connected to the turning legs 304, and a turning motor 303 is arranged on the turning legs 304 for driving the turning roller 300 to rotate. In the initial state, when the heat exchange body 500 on the first transmission component moves to the position of the turning roller 300, the horizontally arranged heat exchange body 500 will be transferred to the turning clamping cavity 302, and the turning clamping cavity 302 will complete the preliminary positioning at this time. As the turning roller 300 turns over, the heat exchange body 500 in the turning clamping cavity 302 will turn over to the second transmission component, thereby completing the turning operation; A pressure sensor for sensing the position of the heat exchange body 500 is provided on the surface of the flip clamping plate 301 where the flip clamping cavity 302 is located. When the heat exchange body 500 moves to the position of the flip roller 300, the pressure sensor will be triggered, thereby providing a reference for flipping; like Figure 1-Figure 2 As shown, the first transmission component and the second transmission component include a transmission belt 100, and a transmission roller 101 is respectively provided at both ends of the transmission belt 100. The transmission roller 101 is rotatably set on a transmission side plate 103, and a transmission support leg is provided at the lower end of the transmission side plate 103. A transmission motor 102 for driving the transmission roller 101 to rotate is provided on the transmission side plate 103. The width of the transmission belt 100 is less than the length of the heat exchange body 500, so that both sides of the heat exchange body 500 extend from the transmission belt 100. An anti-slip layer is provided on the upper end of the transmission belt 100. The transmission roller 101 is driven to rotate by the transmission motor 102, and the transmission roller 101 drives the transmission belt 100 to rotate, thereby completing the transmission of the heat exchange body 500 and realizing the adjustment of the punching station.

[0023] Working principle: In actual use, the transmission motor 102 drives the transmission roller 101 to rotate, and the transmission roller 101 drives the transmission belt 100 to rotate, thereby completing the transmission of the heat exchange body 500, realizing the adjustment of the punching station, and transferring the heat exchange body 500 to the first surface processing position, and then the position of the heat exchange body 500 can be locked by the positioning part to ensure the smoothness of the processing, and the position of the puncher 213 can be driven by the displacement adjustment part to adjust the position, so as to perform drilling processing at different positions on the surface of the heat exchange body 500. The guide column 201 is provided with a positioning part for locking the position of the heat exchange body 500, and the heat exchange body 500 is turned over by the turning part so that the second processing surface is set upward, and then the heat exchange body 500 is transferred to the second processing point by the second transmission part, and the other surface of the heat exchange body 500 is drilled by the punching part 200, thereby constructing a second dense lattice stacking surface.

[0024] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dense lattice stacked jet plate-fin heat exchanger core, comprising a heat exchange body (500), characterized in that: A plurality of dense holes (501) are distributed on the upper end surface and the lower end surface of the heat exchange body (500); the dense holes (501) are of a conical structure with a larger outer end and a smaller inner end; the depth of the dense holes (501) is one third of the thickness of the heat exchange body (500); and the dense holes (501) are distributed in a rectangular array.

2. A method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core, used to manufacture the dense lattice stacked jet plate-fin heat exchanger core as claimed in claim 1, characterized in that: The following steps are involved: Step 1: transferring the heat exchange body (500) to a first processing point by means of a first transmission component, and drilling holes on the surface of the heat exchange body (500) by means of a punching component (200), thereby constructing a first dense lattice stacking surface; Step 2: turning over the heat exchange body (500) by means of a turning component so that the second processing surface is facing upward, then transferring the heat exchange body (500) to a second processing point by means of a second transport component, and drilling another surface of the heat exchange body (500) by means of a drilling component (200), thereby constructing a second dense lattice stacking surface; Step three: transferring the processed heat exchange body (500) to a target area through a second transmission component to complete the material collection.

3. The method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core according to claim 2, characterized in that: The punching component (200) comprises a punching frame (209) arranged above the first transmission component and the second transmission component, a guide beam (203) is arranged above the punching frame (209), guide posts (201) are symmetrically arranged at both ends of the guide beam (203), guide sleeves (202) slidably matched with the guide posts (201) are arranged on both sides of the punching frame (209), an electric lifting push rod (205) is arranged in the middle position of the guide beam (203), the output end of the electric lifting push rod (205) is connected to the punching frame (209), a punch (213) for drilling holes on the surface of the heat exchange body (500) is arranged on the punching frame (209), the punch (213) is connected to a displacement adjustment member for driving the punch (213) to move horizontally, and a positioning member for locking the position of the heat exchange body (500) is arranged on the guide post (201).

4. The method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core according to claim 3, characterized in that: The positioning member comprises an electric clamping push rod (215) fixedly arranged on a guide column (201), and an output end of the electric clamping push rod (215) is provided with a clamping positioning plate (214) which is pressed tightly against the surface of the heat exchange body (500).

5. The method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core according to claim 3, characterized in that: The displacement adjustment member comprises a displacement slide rail (212) arranged inside a punching frame (209); a punching slide seat (204) is slidably arranged on the displacement slide rail (212); a mounting area for facilitating the mounting of a punching machine (213) is arranged at the lower end of the punching slide seat (204); a first threaded block (206) is arranged at the upper end of the punching slide seat (204); the first threaded block (206) is threadedly arranged on a first threaded rod (207); one end of the first threaded rod (207) is rotatably connected to a fixed block on the displacement slide rail (212); the other end of the first threaded rod (207) is connected to a transverse motor for driving the first threaded rod (207) to rotate; and a longitudinal pushing member for driving the displacement slide rail (212) to move longitudinally is arranged on the punching frame (209).

6. The method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core according to claim 5, characterized in that: The longitudinal pushing member comprises a second threaded rod (210) arranged at the end of the displacement slide rail (212), the end of the second threaded rod (210) being rotatably connected to the inner wall of the punching frame (209), the second threaded rod (210) being connected to a second motor (211) for driving the second threaded rod (210) to rotate, the other end of the displacement slide rail (212) being provided with a guide hole, a guide rod being slidably provided in the guide hole, and both ends of the guide rod being fixedly connected to the inner wall of the punching frame (209).

7. The method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core according to claim 6, characterized in that: The upper and lower end surfaces of the displacement slide rail (212) are provided with first guide slide grooves (208).

8. The method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core according to claim 3, characterized in that: The flipping component comprises a flipping roller (300), the flipping roller (300) being arranged between the first transmission component and the second transmission component, a plurality of flipping clamps (301) being arranged in an array outside the flipping roller (300), the flipping clamps (301) being provided with a flipping clamping cavity (302) for facilitating the storage of the heat exchange body (500), the distance between two adjacent flipping clamps (301) being greater than the width of the first transmission component and the second transmission component but less than the width of the heat exchange body (500), the width of the flipping clamping cavity (302) being greater than the thickness of the heat exchange body (500), the axial height of the flipping roller (300) corresponding to the transmission height of the first transmission component and the second transmission component, flipping legs (304) being symmetrically arranged at both ends of the flipping roller (300), and a flipping motor (303) being provided on the flipping legs (304) for driving the flipping roller (300) to rotate.

9. The method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core according to claim 8, characterized in that: A pressure sensor for sensing the position of the heat exchange body (500) is provided on the surface of the turning clamping plate (301) where the turning clamping cavity (302) is located.

10. The method for manufacturing a dense lattice stacked jet plate-fin heat exchanger core according to claim 2, characterized in that: The first transmission component and the second transmission component comprise a transmission belt (100), and a transmission roller (101) is respectively provided at both ends of the transmission belt (100), and the transmission roller (101) is rotatably arranged on a transmission side plate (103), and a transmission leg is provided at the lower end of the transmission side plate (103), and a transmission motor (102) for driving the transmission roller (101) to rotate is provided on the transmission side plate (103), and the width of the transmission belt (100) is smaller than the length of the heat exchange body (500).

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