Novel hole flanging and budding punching needle structure

Abstract

The utility model belongs to the technical field of mechanical die structures, and discloses a novel hole flanging and budding punching needle structure which comprises a lower die plate base, hydraulic cylinders are fixedly installed on the two sides of the top of the lower die plate base respectively, and punching needle fixing plates are fixedly installed on output shafts of the two hydraulic cylinders respectively. And two punching needles are fixedly installed at the bottom of the punching needle fixing plate, cylindrical grooves are formed in the inner walls of the two punching needles correspondingly, in the punching process, it is ensured that waste can fall off smoothly through ingenious cooperation of T-shaped ejector pins in the punching needles and fourth spring telescopic rod assemblies, and the waste jumping phenomenon is avoided. After the punching needle punches a plate, the T-shaped ejector pin automatically moves downwards under the elastic force action of the fourth spring telescopic rod assembly, waste which is not completely separated from the plate or waste retained in the discharging groove is downwards ejected out, and therefore thoroughness and high efficiency of waste treatment are guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical mold structure technology, specifically a novel hole-flipping and bud-drawing punch structure. Background Technology

[0002] The serging process is a stretching and forming process on sheet metal. It uses a mold to plastically deform a portion of the sheet material, thereby forming the desired threaded holes or flanged structures. This process is widely used in hardware manufacturing and other fields, but traditional serging processes have some problems:

[0003] Pre-punching increases process complexity and cost: In the traditional budding process, the punch often needs to pre-punch the material, which not only increases the complexity of the mold process, but also leads to an increase in mold cost. Pre-punching requires additional molds and equipment, and also increases the steps and time in the production process, reducing production efficiency.

[0004] Impurities adhering to punches affect process accuracy and cleaning difficulty: In the traditional punching process, impurities such as iron filings and aluminum filings are easily adhering to the punches. This not only affects the process accuracy of the parts, but also requires additional time and cost to clean the punches and dies. It may also affect the continuity and stability of the production line.

[0005] Therefore, it needs to be improved and optimized. Utility Model Content

[0006] To address the problems mentioned in the background art, this utility model provides a novel perforated budding punch structure, which solves the dual problems of increased cost and complexity due to pre-punching in traditional budding processes, and the impact of impurities adhering to the punch on accuracy and cleanliness.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a novel perforated and bud-pulling punch structure, comprising a lower template base, with hydraulic cylinders fixedly installed on both sides of the top of the lower template base, and punch fixing plates fixedly installed on the output shafts of the two hydraulic cylinders, with two punches fixedly installed at the bottom of the punch fixing plates, and cylindrical grooves opened on the inner walls of the two punches, with T-shaped pins slidably installed on the inner walls of the two cylindrical grooves, and spring telescopic rod assemblies fixedly installed on the top inner walls of the two cylindrical grooves.

[0008] Preferably, two fixing posts are fixedly installed at the bottom of the punch fixing plate, two connecting rods are rotatably installed at the bottom of the two fixing posts, and movable wheels are rotatably installed at the bottom of the four connecting rods. The two corresponding movable wheels that are close to each other are elastically connected by a spring telescopic rod assembly.

[0009] Preferably, the bottom of the punch pin fixing plate is fixedly provided with a plurality of mounting plates, the bottom of each of the plurality of mounting plates is provided with a rectangular block, both of the punch pins penetrate through the rectangular block and are in sliding connection with the rectangular block, and the rectangular blocks are elastically connected with each other through spring telescopic rod assemblies three.

[0010] Preferably, the top of the lower die plate base is provided with two discharge grooves penetrating through the lower die plate base, and both of the discharge grooves are in sliding connection with corresponding punch pins.

[0011] Preferably, the bottom of the lower die plate base is provided with three variable-diameter cylindrical grooves penetrating through the lower die plate base.

[0012] Preferably, the bottom of each of the three variable-diameter cylindrical grooves is provided with a fixing plate, each of the three fixing plates is fixedly connected with the lower die plate base, and the inner part of each of the three variable-diameter cylindrical grooves is slidably provided with a material ejection pin, and the bottom of each of the three material ejection pins is elastically connected with the adjacent fixing plate through a spring telescopic rod assembly two.

[0013] Preferably, the three variable-diameter cylindrical grooves and the discharge grooves are designed to be distributed at intervals, and on both sides of the two discharge grooves, variable-diameter cylindrical grooves are arranged.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a punch pin inside T type ejector pin and spring telescopic rod assembly four's ingenious cooperation are ensured that the waste can smoothly drop, avoid the occurrence of the phenomenon of jumping waste.

[0016] The utility model discloses a punch pin fixing plate drops the process, it also drives the movement of two fixed column and corresponding connecting rod. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model;

[0018] Figure 2The utility model discloses a lower mould base front face section structure schematic diagram shows that the utility model discloses a lower mould base front face section structure schematic diagram.

[0019] Figure 3 The utility model discloses fixed column, connecting rod, mobile wheel and spring telescopic rod combination spare combination structure schematic diagram of no.

[0020] Figure 4 The utility model discloses a punch structure schematic diagram.

[0021] Figure 5 The utility model discloses a partial front face section structure schematic diagram.

[0022] In the drawing: 1, lower mould base;101, variable diameter cylinder groove;102, fixed plate;103, discharge groove;2, hydraulic cylinder;3, punch fixed plate;4, punch;401, cylinder groove;5, fixed column;501, connecting rod;5011, mobile wheel;5012, spring telescopic rod combination spare no. 1;6, top material pin;601, spring telescopic rod combination spare no. 2;7, mounting plate;701, rectangular block;8, spring telescopic rod combination spare no. 3;9, spring telescopic rod combination spare no. 4;10, T type ejector pin. DETAILED DESCRIPTION

[0023] The utility model discloses a lower mould base front face section structure schematic diagram shows that the utility model discloses a lower mould base front face section structure schematic diagram.

[0024] As Figures 1 to 5 The utility model provides a kind of novel hole punching and sprouting punch structure, including lower mould base 1, the top of lower mould base 1 two sides is respectively fixed installation hydraulic cylinder 2, the output shaft of two hydraulic cylinders 2 is fixedly installed with punch fixed plate 3, the bottom of punch fixed plate 3 is fixedly installed with two punches 4, the inner wall of two punches 4 is respectively provided with cylinder groove 401, the inner wall of two cylinder grooves 401 is respectively slidably installed with T type ejector pin 10, the top inner wall of two cylinder grooves 401 is respectively fixedly installed with spring telescopic rod combination spare no. 4 9.

[0025] Through the cylinder groove 401 and the T type ejector pin 10 slidably installed in the punch 4 inside, not only realizes the effective ejection of punching waste, avoids the occurrence of jumping waste phenomenon, T type ejector pin 10 under the elastic force of spring telescopic rod combination spare no. 4 9, ensure that waste can be smoothly discharged from punching, the fixed installation of spring telescopic rod combination spare no. 4 9, not only provides necessary support and orientation for the sliding of T type ejector pin 10, also realizes the automatic reset of T type ejector pin 10 by its elastic force.

[0026] As Figure 3 shown, the bottom of the punch pin fixing plate 3 is fixedly provided with two fixed columns 5, the bottom of each fixed column 5 is rotatably provided with a connecting rod 501, the bottom of each connecting rod 501 is rotatably provided with a moving wheel 5011, and the corresponding two sides of the four moving wheels 5011 close to each other are elastically connected through spring telescopic rod assemblies one 5012.

[0027] The two fixed columns 5 fixedly arranged at the bottom of the punch pin fixing plate 3, the connecting rods 501 rotatably arranged on the fixed columns 5 and the moving wheels 5011 rotatably arranged on the connecting rods 501 can gradually press the plate during the punching process, so that the accuracy of the punching position and the stability of the plate are ensured.

[0028] As Figures 2 to 5 shown, the bottom of the punch pin fixing plate 3 is fixedly provided with a plurality of mounting plates 7, the bottom of each mounting plate 7 is provided with a rectangular block 701, the two punch pins 4 penetrate through the rectangular block 701 and are in sliding connection with the rectangular block 701, the side of the rectangular block 701 close to the mounting plate 7 is elastically connected through a spring telescopic rod assembly three 8, the top of the lower die plate base 1 is provided with two discharge grooves 103, the two discharge grooves 103 penetrate through the lower die plate base 1, the two discharge grooves 103 are in sliding connection with the corresponding punch pin 4, the bottom of the lower die plate base 1 is provided with three variable-diameter cylindrical grooves 101, the three variable-diameter cylindrical grooves 101 penetrate through the lower die plate base 1, the bottom of each variable-diameter cylindrical groove 101 is provided with a fixed plate 102, the three fixed plates 102 are fixedly connected with the lower die plate base 1, the inner part of each variable-diameter cylindrical groove 101 is slidably provided with a material ejection pin 6, the bottom of each material ejection pin 6 and the close fixed plate 102 are elastically connected through a spring telescopic rod assembly two 601, and the three variable-diameter cylindrical grooves 101 and the discharge grooves 103 are designed to be distributed at intervals.

[0029] The plate is pressed by the four moving wheels 5011, and at the same time, the three material ejection pins 6 move downward to extrude the spring telescopic rod assembly two 601, when the punching and flanging are completed, the spring telescopic rod assembly two 601 rebounds to drive the corresponding material ejection pin 6 to move upward, so that the plate and the discharge groove 103 are quickly separated, and the adhesion and friction between the plate and the mold are avoided.

[0030] The working principle and use process of the utility model are as follows:

[0031] First, start two hydraulic cylinders 2, its output shaft upward and drive the needle fixed plate 3 together, the plate to be germinated placed in the top of the lower die plate base 1, and then start the hydraulic cylinder 2, its output shaft drive the needle fixed plate 3 down, the needle fixed plate 3 in turn drive two needle 4 slowly approach the plate.

[0032] When the needle 4 approach the plate, its internal T type needle 10 first stop downward movement by the plate, in the process of falling, T type needle 10 in the needle 4 sliding, then touch the spring telescopic rod assembly four 9, make it be compressed, the bottom of two needle 4 continue to move under the action of hydraulic cylinder 2, first punch the plate, and then through the rear section of the needle 4 flanging.

[0033] After punching, the waste will directly fall, at this time, because the T type needle 10 no longer by the resistance of the plate, it moves downward under the action of spring telescopic rod assembly four 9, the waste which is not separated from the plate or the waste retained in the discharge chute 103 is pushed out downward, so as to avoid the waste phenomenon.

[0034] At the same time, in the process of the needle fixed plate 3 down, it also drive two fixed column 5 and corresponding connecting rod 501 movement, four connecting rod 501 bottom of the moving wheel 5011 contact with the plate, with the needle fixed plate 3 continue to move down, the corresponding two connecting rod 501 along with the fixed column 5 hinged shaft away from each other movement, the plate is pressed.

[0035] In the process of the needle fixed plate 3 up, spring telescopic rod assembly one 5012 reset two moving wheel 5011.

[0036] When four moving wheel 5011 press the plate, make three material pin 6 downward movement extrusion spring telescopic rod assembly two 601, when the punching flanging is completed, make the spring telescopic rod assembly two 601 rebound drive corresponding material pin 6 upward movement, make the plate and discharge chute 103 separate.

[0037] It should be noted that in this text, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new type of hole flanging, deburring and piercing structure, comprising a lower die plate base (1), characterized in that: The top of the lower mold plate base (1) is fixedly provided with hydraulic cylinders (2) on both sides, output shafts of the two hydraulic cylinders (2) are fixedly provided with punch fixed plates (3), the bottom of the punch fixed plate (3) is fixedly provided with two punches (4), the inner wall of the two punches (4) is respectively provided with a cylindrical groove (401), the inner wall of the two cylindrical grooves (401) is respectively provided with a T-shaped ejector pin (10), and the top inner wall of the two cylindrical grooves (401) is respectively fixedly provided with a spring telescopic rod assembly four (9).

2. The new type of hole flipping, de-burring and piercing needle structure according to claim 1, characterized in that: The bottom of the punch fixed plate (3) is fixedly provided with two fixed columns (5), the bottom of the two fixed columns (5) is rotatably provided with two connecting rods (501), the bottom of the four connecting rods (501) is rotatably provided with moving wheels (5011), and the two sides of the corresponding two moving wheels (5011) are elastically connected through spring telescopic rod assemblies one (5012).

3. The new type of hole flanging, deburring and piercing structure according to claim 1, characterized in that: The bottom of the punch fixed plate (3) is fixedly provided with a plurality of mounting plates (7), the bottom of the plurality of mounting plates (7) is provided with a rectangular block (701), the two punches (4) penetrate through the rectangular block (701) and are in sliding connection with the rectangular block (701), and the two sides of the rectangular block (701) and the plurality of mounting plates (7) are elastically connected through spring telescopic rod assemblies three (8).

4. The new type of hole flanging, deburring and piercing structure according to claim 1, characterized in that: The top of the lower mold plate base (1) is provided with two discharge grooves (103), the two discharge grooves (103) penetrate through the lower mold plate base (1), and the two discharge grooves (103) are in sliding connection with the corresponding punches (4).

5. The novel hole-flipping de-burring punch structure of claim 1, wherein: The bottom of the lower mold plate base (1) is provided with three variable-diameter cylindrical grooves (101), and the three variable-diameter cylindrical grooves (101) penetrate through the lower mold plate base (1).

6. The novel hole flipping, de-burring, and piercing structure of claim 5, wherein: The bottom of the three variable-diameter cylindrical grooves (101) is respectively provided with a fixed plate (102), the three fixed plates (102) are fixedly connected with the lower mold plate base (1), and the inner part of the three variable-diameter cylindrical grooves (101) is respectively provided with an ejection pin (6), and the bottom of the three ejection pins (6) and the adjacent fixed plate (102) are elastically connected through spring telescopic rod assemblies two (601).

7. The novel hole flipping, burr popping, pin structure of claim 5, wherein: The three variable-diameter cylindrical grooves (101) and the discharge grooves (103) are designed to be distributed at intervals, and on both sides of the two discharge grooves (103), variable-diameter cylindrical grooves (101) are arranged.

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