Punching sheet metal die for air conditioner accessories

Abstract

The utility model discloses an air conditioner accessory punching sheet metal die, which relates to the technical field of air conditioner accessories and comprises a case, a central groove is arranged in the middle of the top of the case, a support table is hinged to the inner wall of the bottom of the central groove, and support springs are fixedly mounted on one side of the inner wall of the bottom of the central groove and one side of the bottom of the support table. A supporting frame is fixedly installed on the top of the machine box, a lifting assembly is arranged in the middle of the supporting frame, two hydraulic cylinders are installed on the lifting assembly, and a lifting table is fixedly installed at the piston ends of the two hydraulic cylinders. The punching sheet metal die is simple in structure and convenient to operate, the condenser collecting pipe can be centered, automatic punching operation on the condenser collecting pipe is achieved, operation is convenient, the whole punching sheet metal die has the function of automatically collecting waste, the problem that the waste falls on a workbench and is difficult to clean is solved, manual cleaning is not needed, and the phenomenon of injury is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning accessories, in particular to a punching sheet metal die for air-conditioning accessories. Background Art

[0002] A punching machine, also known as a target shooting machine, perforating machine, or eye-dotting machine, is a mechanical device that uses a die to stamp metal sheets or tubes. It uses a power mechanism to drive the punching die, punching designated locations on the material to form the desired holes. With its widespread application, punching machines play a key role in the processing of air conditioning accessories, such as the condenser manifold. As one of the core components of the condenser, the condenser manifold has its small holes punched using a punching machine. Punching machines can improve processing accuracy and reduce scrap rates.

[0003] At present, when punching the existing air-conditioning condenser manifold, the waste material generated after punching will fall directly into the tube. When the condenser manifold is manually taken out, the waste material will fall on the workbench, which is more troublesome to clean up. In addition, there are burrs on the surface of the waste material, which can easily cause injuries when manually cleaning. Therefore, it is urgent to design an air-conditioning accessory punching sheet metal mold to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a sheet metal punching die for air-conditioning accessories to solve the problems raised in the above background technology.

[0005] The utility model adopts the following technical solutions:

[0006] A sheet metal punching die for air-conditioning accessories includes a chassis, a center groove is provided in the middle position of the top of the chassis, and the bottom inner wall of the center groove is hinged with a support platform, and a support spring is fixedly installed on one side of the bottom inner wall of the center groove and one side of the bottom of the support platform. A support frame is fixedly installed on the top of the chassis, and a lifting assembly is provided in the middle position of the support frame. Two hydraulic cylinders are installed on the lifting assembly, and the piston ends of the two hydraulic cylinders are fixedly installed with a lifting platform. A plurality of punching heads are fixedly installed on the bottom of the lifting platform, a clamping assembly is provided on the lifting platform, and a pressing assembly is also provided on the lifting platform. A blanking port is opened at one end of the bottom inner wall of the center groove, and a waste collection vehicle is provided below the blanking port inside the chassis.

[0007] Through the above technical solution: the entire punching sheet metal mold has the function of automatically collecting waste, avoiding waste falling on the workbench and being difficult to clean up.

[0008] The utility model is further configured such that a support seat is fixed at one end of the bottom of the support platform, and the bottom surface of the support seat is designed to be an arc surface, a placement groove is opened in the middle position of the top of the support platform, and limiting strips are fixed to the tops of both ends of the inner wall of the placement groove.

[0009] Through the above technical solution: ensure that the support platform is in a horizontal state, and limit the condenser collecting pipe to prevent it from sliding.

[0010] The utility model is further configured as follows: the lifting assembly includes a first forward and reverse motor fixedly mounted on the top of the support frame, and the output shaft of the first forward and reverse motor is fixedly mounted with a threaded column, a lifting plate is screwed on the threaded column, a guide opening for the lifting plate to pass through is opened on the top of the support frame, and limit plates are fixed at both ends of the top of the lifting plate. The two hydraulic cylinders are fixedly mounted on both sides of the bottom inner wall of the lifting plate, and a connecting opening for the two hydraulic cylinders to pass through is opened on the top of the support frame.

[0011] Through the above technical solution: it is easy to adjust the height of the punching head.

[0012] The utility model is further configured such that the pressing assembly includes a fixed plate fixed on both sides of the support platform and a fixed sleeve fixed on both sides of the lifting platform, and the inner walls of the fixed sleeves are plugged with extrusion columns, the tops of the extrusion columns and the tops of the fixed sleeves are fixedly installed with extrusion springs, and the bottoms of the extrusion columns are installed with pulleys, which are located directly above the fixed plates.

[0013] Through the above technical solution, the support platform and the condenser collecting pipe can be pressed to a horizontal state, which is convenient for subsequent punching operations.

[0014] The utility model is further configured as follows: the clamping assembly includes mounting cavities provided at both ends of the bottom of the lifting platform, and a through hole is provided between one end of the two mounting cavities, the inner walls of the two mounting cavities are rotatably connected with a bidirectional screw passing through the through hole, and a second forward and reverse motor for driving the bidirectional screw to rotate is fixedly installed on the outer wall of one end of the lifting platform, and both ends of the bidirectional screw are screwed with movable plates attached to the inner wall of the mounting cavity, and a telescopic assembly is provided at the bottom of the movable plate, and a clamping plate is provided on the telescopic assembly, and the height position of the bottom of the pulley, the height position of the bottom of the clamping plate and the height position of the bottom of the punching head increase sequentially.

[0015] Through the above technical solution: the stable performance of the condenser header is guaranteed, and the condenser header can also be centered so that its position corresponds to the position of the punching head.

[0016] The utility model is further configured such that the telescopic assembly includes telescopic holes opened at both ends of the top of the clamping plate, and a telescopic column inserted into the telescopic hole is fixed to the bottom of the movable plate, and a telescopic spring is fixedly installed at the bottom of the telescopic column and the bottom of the telescopic hole.

[0017] Through the above technical scheme: the clamping plate has the activity performance in the vertical direction, and the continuous descending operation of the punching head is facilitated.

[0018] The utility model further sets up, the inner wall one end of center groove is fixedly installed with two inclined seats, and the inclined seat distributes at the top both sides of blanking mouth.

[0019] Through the above technical scheme: the waste material can smoothly pass through the blanking mouth.

[0020] The utility model further sets up, the inner wall one side of case is fixedly installed with the baffle, and the baffle divides the inside of case and presents collection area and equipment area, and the waste material collection car sets up inside the collection area, and one side of case is hinged with two cabinet doors, and the both ends of two cabinet doors all are equipped with the mouth, and the inside fixed mounting of equipment area has the controller, and the position of controller corresponds with the position of mouth, and controller is electrically connected with first and second reversible motor.

[0021] Through the above technical scheme: it is convenient to take out the waste material, and it is also convenient to control the whole mould operation.

[0022] Compared with the prior art, the utility model has the advantages of:

[0023] 1、 the air conditioning accessory punching sheet metal mould, utilize lifting assembly to adjust the height of hydraulic cylinder, lifting platform, pressure holding assembly and clamping assembly, make the support platform gradually tend to horizontal under the pressure holding of pressure holding assembly, and the support spring will be compressed, at this moment, the condenser header in the placing groove is clamped by clamping assembly, on the one hand, guarantee the stability of condenser header, on the other hand, the condenser header can be treated in the center, so that its position corresponds with the position of punching head, then the height of lifting platform and punching head is adjusted by hydraulic cylinder, realize automatic punching operation of condenser header, convenient operation, no manual operation, improve the use performance of whole mould.

[0024] 2、 the air conditioning accessory punching sheet metal mould, after punching is completed, utilize hydraulic cylinder to drive lifting platform reset, also reset clamping assembly, then utilize lifting assembly to drive whole mould reset, make the support platform gradually tilt under the reset action of support spring, the condenser header is prevented from falling by limiting strip, so that the waste material in the condenser header slides to blanking mouth and falls into waste material collection car to collect, so that the whole punching sheet metal mould has the function of automatic waste material collection, avoid the problem that waste material falls on the workbench and is difficult to clean, also no manual cleaning, prevent the phenomenon of injury. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1This is a three-dimensional diagram of a punching sheet metal die for air-conditioning accessories proposed in the utility model;

[0026] Figure 2 This is a front view of a punching sheet metal die for air conditioner accessories proposed by the utility model;

[0027] Figure 3 This is a working state diagram of a punching sheet metal die for air conditioner accessories proposed by the utility model;

[0028] Figure 4 This is a schematic diagram of the waste collection vehicle and partition structure of a punching sheet metal die for air conditioner accessories proposed in the utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the inclined seat and the limiting strip of the punching sheet metal die for air conditioner accessories proposed by the utility model;

[0030] Figure 6 This is a schematic diagram of the structure of a clamping assembly for a punching sheet metal die for air-conditioning accessories proposed in the utility model;

[0031] Figure 7 This is a schematic diagram of the bidirectional screw and telescopic spring structure of a sheet metal punching die for air-conditioning accessories proposed in the utility model.

[0032] In the figure: 1. Chassis; 2. Center slot; 3. Support platform; 4. Lifting platform; 5. Support frame; 6. Lifting plate; 7. Hydraulic cylinder; 8. First forward and reverse motor; 9. Threaded column; 10. Punching head; 11. Box door; 12. Controller; 13. Support spring; 14. Support seat; 15. Fixed plate; 16. Clamping assembly; 1601. Second forward and reverse motor; 1602. Movable plate; 1603. Telescopic column; 1604. Clamping plate; 1605. Mounting cavity; 1606. Bidirectional screw; 1607. Telescopic spring; 17. Connecting port; 18. Guide port; 19. Waste collection vehicle; 20. Partition; 21. Inclined seat; 22. Blanking port; 23. Limiting strip; 24. Fixed sleeve; 25. Extrusion column; 26. Pulley; 27. Extrusion spring. DETAILED DESCRIPTION

[0033] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0034] Reference Figure 1-7The utility model provides an air conditioner accessory punch sheet metal mould, including the case 1, the top middle position of case 1 is provided with the center groove 2, and the bottom inner wall of center groove 2 is hinged with the support table 3, and one side of the bottom inner wall of center groove 2 is fixedly installed with support spring 13 with the bottom one side of support table 3, the top of case 1 is fixedly installed with support frame 5, and the middle position of support frame 5 is provided with lifting assembly, and two hydraulic cylinders 7 are installed on lifting assembly, and lifting assembly includes the first positive and negative rotation motor 8 of fixed installation in the top of support frame 5, and the output shaft of first positive and negative rotation motor 8 is fixedly installed with threaded column 9, and threaded column 9 is screwed with lifting plate 6, the top of support frame 5 is provided with the guide mouth 18 that lifting plate 6 passes, and the top of lifting plate 6 is fixed with the limit board, and two hydraulic cylinders 7 are fixedly installed on the bottom inner wall both sides of lifting plate 6, and the top of support frame 5 is provided with the connecting mouth 17 that two hydraulic cylinders 7 pass, and the piston end of two hydraulic cylinders 7 is fixedly installed with lifting table 4, and the bottom of lifting table 4 is fixedly installed with a plurality of punch head 10, and lifting table 4 is provided with clamping assembly 16, and lifting table 4 is also provided with pressure holding assembly, and pressure holding assembly includes the fixed plate 15 of being fixed in the both sides of support table 3 and the fixed sleeve 24 of being fixed in the both sides of lifting table 4, and the inner wall of fixed sleeve 24 is inserted with extrusion column 25, and the top of extrusion column 25 is fixedly installed with extrusion spring 27 with the top of fixed sleeve 24, and the bottom of extrusion column 25 is installed with pulley 26, and pulley 26 is located directly above fixed plate 15, and the bottom inner wall one end of center groove 2 is provided with blanking opening 22, and the inside of case 1 is provided with waste collecting vehicle 19 below blanking opening 22, and the inner wall one end of center groove 2 is fixedly installed with two inclined seats 21, and inclined seat 21 is distributed on the top both sides of blanking opening 22, so that the waste of punching in condenser collecting pipe falls into blanking opening 22 and falls into waste collecting vehicle 19 and is collected, so that the whole punch sheet metal mould has the function of automatically collecting waste, avoids the problem that waste falls on the workbench and is difficult to clean, and also does not need manual cleaning, prevents the phenomenon of injury.

[0035] In order to guarantee the horizontal performance of support table 3, refer to Figure 1 、 Figure 2 and Figure 5 , the bottom one end of support table 3 is fixed with support seat 14, and the bottom surface of support seat 14 is designed as a cambered surface, the top middle position of support table 3 is provided with a placing groove, and the inner wall both ends of the placing groove are fixed with limit strips 23 on the top, by using the above-mentioned support seat 14, the support table 3 can be supported by the support seat 14 when the support table 3 moves, so as to guarantee that the support table 3 is in a horizontal state.

[0036] In order to guarantee the stability of the condenser collecting pipe, refer to Figure 1 、 Figure 2 、 Figure 6 and Figure 7The clamping assembly 16 comprises mounting cavities 1605 opened at both ends of the lifting platform 4, a through hole is opened between one end of the two mounting cavities 1605, a two-way screw rod 1606 is rotatably connected to the inner wall of the two mounting cavities 1605 and passes through the through hole, a second forward-reverse motor 1601 for driving the two-way screw rod 1606 to rotate is fixedly installed on the outer wall of one end of the lifting platform 4, the two ends of the two-way screw rod 1606 are both screwed with movable plates 1602 abutting the inner wall of the mounting cavities 1605, the bottom of each movable plate 1602 is provided with an extension assembly, the extension assembly is provided with a clamping plate 1604, the height position of the bottom of the pulley 26, the height position of the bottom of the clamping plate 1604 and the height position of the bottom of the punching head 10 increase in turn, the extension assembly comprises extension holes opened at both ends of the top of the clamping plate 1604, and the bottom of the movable plate 1602 is fixedly provided with an extension column 1603 inserted into the extension hole, the bottom of the extension column 1603 and the bottom of the extension hole are fixedly provided with an extension spring 1607, by using the above-mentioned clamping assembly 16, the second forward-reverse motor 1601 in the clamping assembly 16 drives the two-way screw rod 1606 to rotate, shortens the distance between the two movable plates 1602 and the two clamping plates 1604, and the clamping plate 1604 clamps the condenser manifold, which on the one hand ensures the stability of the condenser manifold and on the other hand can center the condenser manifold to make its position correspond to the position of the punching head 10.

[0037] In order to facilitate the removal of waste materials and control the operation of the mold, referring to Figure 1 and Figure 4 , the inner wall of the case 1 is fixedly provided with a partition plate 20, and the inner part of the case 1 is divided into a collection area and a device area by the partition plate 20, the waste collection vehicle 19 is arranged inside the collection area, two cabinet doors 11 are hingedly connected to one side of the case 1, and a through opening is formed in one end of each of the two cabinet doors 11, a controller 12 is fixedly installed in the device area, the position of the controller 12 corresponds to the position of the through opening, the controller 12 is electrically connected with the first forward-reverse motor 8 and the second forward-reverse motor 1601, by using the above-mentioned cabinet door 11, the case 1 can be easily opened, the waste collection vehicle 19 can be removed, the waste materials can be easily taken out, and the controller 12 is used to control the operation of the entire mold.

[0038] Working principle: in use, the operator places the condenser header in the placing groove in the support table 3, one end of the condenser header slides on the inclined support table 3 and contacts the limiting strip 23, at this time, the user rotates the threaded column 9 in the lifting assembly by the first forward and reverse motor 8, lowers the height of the lifting plate 6, the hydraulic cylinder 7, the lifting table 4, the pressing assembly and the clamping assembly 16, when the lifting plate 6 is lowered to the lowest position, the first forward and reverse motor 8 stops working, at this time, the support table 3 gradually tends to be horizontal under the pressing action of the pulley 26 in the pressing assembly, and the support spring 13 is compressed; then, the operator rotates the bidirectional screw rod 1606 in the clamping assembly 16 by the second forward and reverse motor 1601, shortens the distance between the two movable plates 1602 and the two clamping plates 1604, clamps the condenser header by the clamping plate 1604, centers the condenser header, makes the position of the condenser header correspond to the position of the punching head 10, adjusts the height of the lifting table 4 and the punching head 10 by the hydraulic cylinder 7, punches by the punching head 10, after the punching is completed, the user resets the lifting table 4 by the hydraulic cylinder 7, resets the clamping assembly 16, resets the entire mold by the lifting assembly, makes the support table 3 gradually incline under the resetting action of the support spring 13, makes the waste in the condenser header fall into the material falling port 22 and fall into the waste collecting vehicle 19 for collection.

[0039] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sheet metal punching die for air conditioner accessories, comprising a chassis (1), characterized in that: A center groove (2) is provided at the middle position of the top of the chassis (1), and a support platform (3) is hingedly connected to the bottom inner wall of the center groove (2), and a support spring (13) is fixedly installed on one side of the bottom inner wall of the center groove (2) and one side of the bottom of the support platform (3). A support frame (5) is fixedly installed on the top of the chassis (1), and a lifting component is provided at the middle position of the support frame (5). Two hydraulic cylinders (7) are installed on the lifting component, and a lifting platform (4) is fixedly installed on the piston ends of the two hydraulic cylinders (7). A plurality of punching heads (10) are fixedly installed on the bottom of the lifting platform (4), and a clamping component (16) is provided on the lifting platform (4), and a pressing component is also provided on the lifting platform (4). A blanking port (22) is provided at one end of the bottom inner wall of the center groove (2), and a waste collection vehicle (19) located below the blanking port (22) is provided inside the chassis (1).

2. The punching sheet metal die for air conditioner accessories according to claim 1, characterized in that: A support seat (14) is fixed to one end of the bottom of the support platform (3), and the bottom surface of the support seat (14) is designed to be an arc surface. A placement groove is provided at the middle position of the top of the support platform (3), and limiting strips (23) are fixed to the tops of both ends of the inner wall of the placement groove.

3. The punching sheet metal die for air conditioner accessories according to claim 2, characterized in that: The lifting assembly comprises a first forward and reverse motor (8) fixedly mounted on the top of the support frame (5), and a threaded column (9) is fixedly mounted on the output shaft of the first forward and reverse motor (8), a lifting plate (6) is screwed onto the threaded column (9), a guide opening (18) for the lifting plate (6) to pass through is provided on the top of the support frame (5), and limit plates are fixed at both ends of the top of the lifting plate (6), the two hydraulic cylinders (7) are fixedly mounted on both sides of the bottom inner wall of the lifting plate (6), and a connecting opening (17) for the two hydraulic cylinders (7) to pass through is provided on the top of the support frame (5).

4. The punching sheet metal die for air conditioner accessories according to claim 3, characterized in that: The pressing assembly comprises a fixing plate (15) fixed on both sides of the support platform (3) and a fixing sleeve (24) fixed on both sides of the lifting platform (4), and the inner wall of the fixing sleeve (24) is plugged with an extrusion column (25), the top of the extrusion column (25) and the top of the fixing sleeve (24) are fixedly installed with an extrusion spring (27), and the bottom of the extrusion column (25) is installed with a pulley (26), and the pulley (26) is located directly above the fixing plate (15).

5. The punching sheet metal die for air conditioner accessories according to claim 4, characterized in that: The clamping assembly (16) includes mounting cavities (1605) provided at both ends of the bottom of the lifting platform (4), and a through hole is provided between one end of the two mounting cavities (1605), the inner walls of the two mounting cavities (1605) are rotatably connected with a bidirectional screw (1606) passing through the through hole, and a second forward and reverse motor (1601) for driving the bidirectional screw (1606) to rotate is fixedly installed on the outer wall of one end of the lifting platform (4), and both ends of the bidirectional screw (1606) are screwed with a movable plate (1602) attached to the inner wall of the mounting cavity (1605), and a telescopic assembly is provided at the bottom of the movable plate (1602), and a clamping plate (1604) is provided on the telescopic assembly, and the height position of the bottom of the pulley (26), the height position of the bottom of the clamping plate (1604) and the height position of the bottom of the punching head (10) increase in sequence.

6. The sheet metal punching die for air conditioner accessories according to claim 5, characterized in that: The telescopic assembly includes telescopic holes opened at both ends of the top of the clamping plate (1604), and a telescopic column (1603) inserted into the telescopic hole is fixed to the bottom of the movable plate (1602), and a telescopic spring (1607) is fixedly installed between the bottom of the telescopic column (1603) and the bottom of the telescopic hole.

7. The sheet metal punching die for air conditioner accessories according to claim 1, characterized in that: Two inclined seats (21) are fixedly mounted on one end of the inner wall of the central groove (2), and the inclined seats (21) are distributed on both sides of the top of the blanking opening (22).

8. The sheet metal punching die for air conditioner accessories according to claim 5, characterized in that: A partition (20) is fixedly installed on one side of the inner wall of the chassis (1), and the partition (20) divides the interior of the chassis (1) into a collection area and an equipment area. The waste collection vehicle (19) is arranged inside the collection area. Two doors (11) are hinged on one side of the chassis (1), and one end of each door (11) is provided with a through opening. A controller (12) is fixedly installed inside the equipment area. The position of the controller (12) corresponds to the position of the through opening. The controller (12) is electrically connected to the first forward and reverse motor (8) and the second forward and reverse motor (1601).

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