Stamping flanging machine with suction cup structure for hardware back plate

Abstract

The utility model discloses a stamping flanging machine for a hardware back plate with a sucker structure, which comprises a bottom box body, a bottom concave die is fixedly connected to the middle position of the top of the bottom box body, a beveled edge back plate forming groove is arranged in the top end of the bottom concave die, and a sucker feeding and discharging mechanism is arranged at the top of a transverse storage plate. According to the stamping flanging machine with the suction cup structure for the hardware back plate, by arranging an extension plate, a short-stroke electric cylinder, an air distribution plate, suction cups, an air guide pipe, a vacuum air pump and a hose through groove, when the stamping flanging machine is used, the short-stroke electric cylinder on the extension plate extends downwards to push the air distribution plate to integrally press downwards, and the suction cups at the bottom of the air distribution plate are attached to the surface of a blank plate; the vacuum air pump exhausts air in the air distribution plate through the air guide pipe, negative pressure is formed at the suction cup, the blank plate is sucked up, the function that the suction cup assists in feeding and discharging is achieved, and the problem that the device does not have the function that the suction cup assists in feeding and discharging is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping and folding machines, in particular to a stamping and folding machine for a hardware back plate with a suction cup structure. Background Art

[0002] The hardware back plate is a common hardware accessory, mostly used for the back shell of electromechanical equipment, such as ovens, microwave ovens, monitors, etc. The main body is made of metal, and the edges are vertically or obliquely concave. The forming process of the hardware back plate is mostly integrated stamping and folding. The blank is placed in the die, and the hydraulic cylinder pushes the punch down, the blank is concave under force, and the edge is also bent synchronously.

[0003] The stamping and folding machines for hardware back panels commonly found on the market are mostly similar in structure, with a steel bottom box as the main body, a die with a back panel groove on the top, and a hydraulically driven lower punch above it. There are some functional deficiencies in actual use and there is room for improvement. For example, manual operation is required for placement and removal during loading and unloading. The hydraulically driven stamping and bending equipment itself is dangerous, and manual operation has a high risk factor. It does not have the function of suction cups to assist loading and unloading.

[0004] Now, a new type of stamping and folding machine for hardware backboard with a suction cup structure is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a punching and folding machine for hardware back panels with a suction cup structure, so as to solve the problem that the above-mentioned background technology does not have the function of assisting the loading and unloading of materials with a suction cup.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stamping and folding machine for hardware back panels with a suction cup structure, comprising a bottom box body, a bottom die is fixedly connected to the middle position of the top of the bottom box body, a beveled back panel forming groove is arranged inside the top of the bottom die, a front end of the bottom box body is fixedly connected to a front end support platform, a transverse storage plate is transversely fixedly connected between the two sides inside the front end support platform, a transverse steel groove is transversely fixedly connected to the front end of the top of the front end support platform, an external threaded driving rod is transversely movably connected between the middle positions of the two sides inside the transverse steel groove, two groups of steel sliding rods are transversely fixedly connected between the two sides inside the transverse steel groove, a sliding table is sleeved on the outside of the external threaded driving rod and the steel sliding rod, a fixed plate frame is fixedly connected to the front end of the top of the sliding table, two groups of long-stroke electric cylinders are installed inside the fixed plate frame, an extension plate is fixedly connected to the rear end of the long-stroke electric cylinder, a finished product conveyor belt is installed on one side of the rear end of the top of the front end support platform, and a suction cup loading and unloading mechanism is arranged on the top of the transverse storage plate.

[0007] The suction cup loading and unloading mechanism includes four groups of short-stroke electric cylinders, which are respectively installed at the four corners of the top of the extension plate. An air distribution plate is provided under the extension plate, and multiple groups of suction cups are installed at the bottom end of the air distribution plate. A vacuum air pump is installed at the middle position of the top of the horizontal storage plate, and an air guide pipe is installed between the top of the vacuum air pump and the rear end of the air distribution plate. A hose groove is provided at the middle position of the top of the front support platform.

[0008] Preferably, support rods are vertically fixedly connected to the four corners of the top of the bottom box body, the top of the support rods is fixedly connected to the top box body, two groups of hydraulic cylinders are installed inside the top box body, a sliding plate is installed at the bottom end of the hydraulic cylinder, the bottom end of the sliding plate is fixedly connected to the top die, and the bottom end of the short-stroke electric cylinder passes through the extension plate and is connected to the top of the air distribution plate.

[0009] Preferably, the bottom end of the suction cup is higher than the top end of the bottom concave mold, and the air distribution plate, suction cup, air guide pipe, and vacuum air pump are internally connected.

[0010] Preferably, the outer diameter of the air guide tube is smaller than the inner diameter of the hose through groove, and the air guide tube can slide left and right along the inside of the hose through groove.

[0011] Preferably, a servo motor is installed on one side of the transverse steel groove, and an output end of the servo motor is connected to one side of the external threaded driving rod.

[0012] Preferably, the threads on the outside of the externally threaded driving rod match the threads on the inside of the sliding platform, and the sliding platform can slide left and right along the outside of the steel sliding rod.

[0013] Preferably, an accordion-type dust cover is movably connected between the two sides of the sliding platform and the two sides inside the transverse steel groove, the outer diameter of the sliding platform matches the inner diameter of the transverse steel groove, and the sliding platform can slide left and right along the inside of the transverse steel groove.

[0014] Preferably, a blank conveyor belt is installed on the other side of the rear end of the top of the front support platform, and the finished product conveyor belt and the blank conveyor belt have the same size and specifications.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the punching and folding machine for the hardware back plate with the suction cup structure not only realizes the function of the suction cup assisting loading and unloading, realizes the function of facilitating the adjustment of the loading and unloading positions, but also realizes the function of facilitating the unloading and replenishing of materials;

[0016] (1) By providing an extension plate, a short-stroke electric cylinder, an air distribution plate, a suction cup, an air guide pipe, a vacuum air pump and a hose groove, when in use, the blank is sent to the loading position through the conveyor belt, the long-stroke electric cylinder retracts and sends the extension plate to the top of the blank through the servo drive mechanism, the short-stroke electric cylinder on the extension plate extends downward, pushes the air distribution plate downward as a whole, the suction cup at the bottom of the air distribution plate is attached to the surface of the blank plate, the vacuum air pump discharges the air in the air distribution plate through the air guide pipe, and negative pressure is formed at the suction cup, the blank plate is sucked up, and the blank is placed horizontally in the bottom die under the drive of the long-stroke electric cylinder and the servo drive mechanism, and then the long-stroke electric cylinder retracts, as the top die is pressed down, the blank is concavely formed, and the edge is bent inward under the extrusion of the bevel back plate forming groove, and after forming, the long-stroke electric cylinder extends forward again to send the extension plate to the top of the bottom die, and the formed back plate is taken out, realizing the function of suction cup assisted loading and unloading;

[0017] (2) By providing a transverse steel groove, an external thread drive rod, a steel slide rod, a servo motor, a sliding table, an accordion dust cover, a fixed plate frame and a long-stroke electric cylinder, when in use, during the process of loading and unloading, the long-stroke electric cylinder retracts, and the servo motor drives the external thread drive rod to rotate. The sliding table can slide along the steel slide rod to the blank conveyor belt under the drive of the external thread drive rod. As the suction cup absorbs the material, the servo motor drives the external thread drive rod to rotate in the opposite direction, so that the sliding table moves to the middle position of the transverse steel groove, and the long-stroke electric cylinder extends forward to send the extension plate to the top of the bottom die, which is convenient for unloading. After unloading, the long-stroke electric cylinder retracts to wait for stamping and bending. After forming, the long-stroke electric cylinder extends again to take the material, thereby realizing the function of facilitating the adjustment of the loading and unloading positions;

[0018] (3) By providing a finished product conveyor belt and a blank conveyor belt, when in use, during stamping and bending, the operator places the back plate blanks one by one on the blank conveyor belt, waiting for the suction cup to absorb the material, and after stamping and bending, the long-stroke electric cylinder extends again to make the suction cup reach the top of the bottom die. As the suction cup sucks up the formed back plate, the long-stroke electric cylinder retracts, and the servo motor drives the external thread drive rod to rotate in the opposite direction, sending the sliding table to one side of the finished product conveyor belt, and placing the formed back plate on the finished product conveyor belt, which is convenient for unloading, thus realizing the functions of facilitating unloading and replenishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure of the local section at point A in the middle;

[0022] Figure 4It is a schematic diagram of a partial cross-sectional structure of the utility model in a top view.

[0023] In the figure: 1. bottom box; 2. bottom die; 3. support rod; 4. top box; 5. hydraulic cylinder; 6. sliding plate; 7. top die; 8. bevel back plate forming groove; 9. front end support platform; 10. horizontal storage plate; 11. horizontal steel groove; 12. external thread drive rod; 13. steel slide rod; 14. servo motor; 15. sliding table; 16. accordion dust cover; 17. fixed plate frame; 18. long stroke electric cylinder; 19. extension plate; 20. short stroke electric cylinder; 21. air distributor; 22. suction cup; 23. air guide tube; 24. vacuum air pump; 25. hose slot; 26. finished product conveyor belt; 27. blank conveyor belt. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 , a stamping and folding machine for a hardware back panel with a suction cup structure, comprising a bottom box body 1, a bottom die 2 is fixedly connected at the middle position of the top of the bottom box body 1, a beveled back panel forming groove 8 is arranged inside the top of the bottom die 2, a front end support platform 9 is fixedly connected to the front end of the bottom box body 1, a transverse storage plate 10 is transversely fixedly connected between the two sides inside the front end support platform 9, four corners of the top of the bottom box body 1 are respectively vertically fixedly connected with support rods 3, the top of the support rods 3 is fixedly connected with the top box body 4, two groups of hydraulic cylinders 5 are installed inside the top box body 4, a sliding plate 6 is installed at the bottom end of the hydraulic cylinder 5, a top die 7 is fixedly connected to the bottom end of the sliding plate 6, and a suction cup loading and unloading mechanism is arranged on the top of the transverse storage plate 10;

[0026] See also Figure 1-4 A stamping and folding machine for a hardware back panel with a suction cup structure also includes a suction cup loading and unloading mechanism, which includes four groups of short-stroke electric cylinders 20, which are respectively installed at the four corners of the top of the extension plate 19, and an air distribution plate 21 is arranged below the extension plate 19. A plurality of suction cups 22 are installed at the bottom end of the air distribution plate 21. A vacuum air pump 24 is installed at the middle position of the top of the horizontal storage plate 10, and an air guide pipe 23 is installed between the top of the vacuum air pump 24 and the rear end of the air distribution plate 21. A hose through groove 25 is arranged at the middle position of the top of the front support platform 9;

[0027] The bottom end of the short-stroke electric cylinder 20 passes through the extension plate 19 and is connected to the top end of the air distribution plate 21. The bottom end of the suction cup 22 is higher than the top end of the bottom die 2. The insides of the air distribution plate 21, the suction cup 22, the air guide pipe 23, and the vacuum air pump 24 are connected. The outer diameter of the air guide pipe 23 is smaller than the inner diameter of the hose groove 25. The air guide pipe 23 can slide left and right along the inside of the hose groove 25, and the material loading and unloading operation can be performed through the suction cup 22.

[0028] Specifically, Figure 2 and Figure 3 As shown, the short-stroke electric cylinder 20 on the extension plate 19 extends downward, pushing the air distribution plate 21 downward as a whole, and the suction cup 22 at the bottom of the air distribution plate 21 fits against the surface of the blank plate, and the vacuum air pump 24 discharges the air in the air distribution plate 21 through the air guide pipe 23, and negative pressure is formed at the suction cup 22, which sucks up the blank plate, and driven by the long-stroke electric cylinder 18 and the servo drive mechanism, the blank is placed horizontally in the bottom die 2, and then the long-stroke electric cylinder 18 retracts, and as the top die 7 is pressed down, the blank is concavely formed, and the edge is bent inward under the extrusion of the bevel back plate forming groove 8. After forming, the long-stroke electric cylinder 18 extends forward again to send the extension plate 19 to the top of the bottom die 2, and the formed back plate is taken out.

[0029] Embodiment 2: The front end of the top of the front support platform 9 is transversely fixedly connected with a transverse steel groove 11, and an external threaded driving rod 12 is transversely movably connected between the middle positions of the two sides inside the transverse steel groove 11. Two groups of steel sliding rods 13 are transversely fixedly connected between the two sides inside the transverse steel groove 11. The external threaded driving rod 12 and the steel sliding rod 13 are sleeved with a sliding platform 15. The front end of the top of the sliding platform 15 is fixedly connected with a fixed plate frame 17. Two groups of long-stroke electric cylinders 18 are installed inside the fixed plate frame 17. The rear end of the long-stroke electric cylinder 18 is fixedly connected with an extension plate 19. A servo motor 14 is installed on one side of the transverse steel groove 11, and the output end of the servo motor 14 is connected to one side of the external threaded driving rod 12. The external thread of the external threaded driving rod 12 matches the internal thread of the sliding table 15. The sliding table 15 can slide left and right along the outside of the steel slide bar 13. An accordion-type dust cover 16 is movably connected between the two sides of the sliding table 15 and the two sides inside the transverse steel groove 11. The outer diameter of the sliding table 15 matches the inner diameter of the transverse steel groove 11. The sliding table 15 can slide left and right along the inside of the transverse steel groove 11, which is convenient for adjusting the loading and unloading positions;

[0030] Specifically, Figure 1 and Figure 4As shown, the servo motor 14 drives the external thread drive rod 12 to rotate, and the sliding table 15 can slide along the steel slide rod 13 to the blank conveyor belt 27 under the drive of the external thread drive rod 12. As the suction cup 22 absorbs the material, the servo motor 14 drives the external thread drive rod 12 to rotate in the opposite direction, so that the sliding table 15 moves to the middle position of the horizontal steel groove 11, and the long-stroke electric cylinder 18 extends forward to send the extension plate 19 to the top of the bottom die 2 to facilitate material unloading. After unloading, the long-stroke electric cylinder 18 retracts to wait for stamping and bending forming. After forming, the long-stroke electric cylinder 18 extends again to take the material.

[0031] Embodiment 3: A finished product conveyor belt 26 is installed on one side of the top rear end of the front support platform 9, and a blank conveyor belt 27 is installed on the other side of the top rear end of the front support platform 9. The finished product conveyor belt 26 and the blank conveyor belt 27 have the same size and specifications, which is convenient for feeding and discharging;

[0032] Specifically, Figure 2 and Figure 4 As shown, the back panel blanks are placed one by one on the blank conveyor belt 27, waiting for the suction cup 22 to absorb the material. After stamping and bending, the long-stroke electric cylinder 18 extends again to make the suction cup 22 reach the top of the bottom die 2. As the suction cup 22 sucks up the formed back panel, the long-stroke electric cylinder 18 retracts, and the servo motor 14 drives the external thread drive rod 12 to rotate in the opposite direction, and the sliding table 15 is sent to the side of the finished product conveyor belt 26, and the formed back panel is placed on the finished product conveyor belt 26 for easy unloading.

[0033] Working principle: When the utility model is in use, first, the blank is sent to the loading position through the conveyor belt, the long-stroke electric cylinder 18 retracts and sends the extension plate 19 to the top of the blank through the servo drive mechanism, and the short-stroke electric cylinder 20 on the extension plate 19 extends downward to push the air distribution plate 21 downward as a whole, and the suction cup 22 at the bottom of the air distribution plate 21 is attached to the surface of the blank plate, and the vacuum air pump 24 discharges the air in the air distribution plate 21 through the air guide pipe 23, and negative pressure is formed at the suction cup 22 to suck up the blank plate, and under the drive of the long-stroke electric cylinder 18 and the servo drive mechanism, the blank is placed horizontally in the bottom die 2, and then the long-stroke electric cylinder 18 retracts, as the top die 7 is pressed down, the blank is concavely formed, and the edge is bent inward under the extrusion of the bevel back plate forming groove 8, and after forming, the long-stroke electric cylinder 18 extends forward again to send the extension plate 19 to the top of the bottom die 2, and the formed back plate is taken out. During the loading and unloading process, the long-stroke electric cylinder 18 retracts, and the servo motor 14 drives the external thread drive rod 12 to rotate. The sliding table 15 can slide along the steel slide rod 13 to the blank conveyor belt 27 under the drive of the external thread drive rod 12. As the suction cup 22 absorbs the material, the servo motor 14 drives the external thread drive rod 12 to rotate in the opposite direction, so that the sliding table 15 moves to the middle position of the transverse steel groove 11, and the long-stroke electric cylinder 18 extends forward to send the extension plate 19 to the top of the bottom die 2 to facilitate unloading. After unloading, the long-stroke electric cylinder 18 retracts to wait for stamping and bending. After forming, the long-stroke electric cylinder 18 extends again to take the material. During stamping and bending, the operator places the back panel blanks one by one on the blank conveyor belt 27, waiting for the suction cup 22 to absorb the loaded material. After stamping and bending, the long-stroke electric cylinder 18 extends again to make the suction cup 22 reach above the bottom die 2. As the suction cup 22 sucks up the formed back panel, the long-stroke electric cylinder 18 retracts, and the servo motor 14 drives the external thread drive rod 12 to rotate in the opposite direction, sending the sliding table 15 to the side of the finished product conveyor belt 26, and placing the formed back panel on the finished product conveyor belt 26 for easy unloading.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A punching and folding machine for a hardware back plate with a suction cup structure, comprising a bottom box (1), characterized in that: A bottom die (2) is fixedly connected to the middle position of the top of the bottom box body (1), and a beveled back plate forming groove (8) is arranged inside the top of the bottom die (2). A front end of the bottom box body (1) is fixedly connected to a front end support platform (9), and a transverse storage plate (10) is transversely fixedly connected between the two sides of the interior of the front end support platform (9). A transverse steel groove (11) is transversely fixedly connected to the front end of the top of the front end support platform (9), and an external threaded driving rod (12) is transversely movably connected between the middle positions of the two sides of the interior of the transverse steel groove (11). The transverse steel groove (11) is provided with a plurality of screw threads. ) are transversely fixedly connected between the two sides inside, the external threaded drive rod (12) and the steel slide rod (13) are sleeved with a sliding platform (15) on the outside, the front end of the top of the sliding platform (15) is fixedly connected with a fixed plate frame (17), two groups of long-stroke electric cylinders (18) are installed inside the fixed plate frame (17), the rear end of the long-stroke electric cylinder (18) is fixedly connected with an extension plate (19), a finished product conveyor belt (26) is installed on one side of the rear end of the top of the front support platform (9), and a suction cup loading and unloading mechanism is provided on the top of the transverse storage plate (10); The suction cup loading and unloading mechanism comprises four groups of short-stroke electric cylinders (20), which are respectively installed at the four corners of the top of the extension plate (19); an air distribution plate (21) is arranged below the extension plate (19); a plurality of suction cups (22) are installed at the bottom end of the air distribution plate (21); a vacuum air pump (24) is installed at the middle position of the top of the horizontal storage plate (10); an air guide pipe (23) is installed between the top of the vacuum air pump (24) and the rear end of the air distribution plate (21); and a hose groove (25) is arranged at the middle position of the top of the front support platform (9).

2. The punching and folding machine for metal backboards with a suction cup structure according to claim 1, characterized in that: The four corners at the top of the bottom box body (1) are respectively vertically fixedly connected with support rods (3), the top of the support rods (3) is fixedly connected with the top box body (4), two groups of hydraulic cylinders (5) are installed inside the top box body (4), the bottom end of the hydraulic cylinder (5) is installed with a sliding plate (6), the bottom end of the sliding plate (6) is fixedly connected with a top die (7), and the bottom end of the short-stroke electric cylinder (20) passes through the extension plate (19) and is connected to the top of the air distribution plate (21).

3. The punching and folding machine for metal backboards with a suction cup structure according to claim 1, characterized in that: The bottom end of the suction cup (22) is higher than the top end of the bottom concave mold (2), and the insides of the air distribution plate (21), the suction cup (22), the air guide pipe (23), and the vacuum air pump (24) are connected.

4. The punching and folding machine for metal backboards with a suction cup structure according to claim 1, characterized in that: The outer diameter of the air guide tube (23) is smaller than the inner diameter of the hose through groove (25), and the air guide tube (23) can slide left and right along the inside of the hose through groove (25).

5. The punching and folding machine for metal backboard with a suction cup structure according to claim 1, characterized in that: A servo motor (14) is installed on one side of the transverse steel groove (11), and an output end of the servo motor (14) is connected to one side of the external thread driving rod (12).

6. The punching and folding machine for metal backboards with a suction cup structure according to claim 1, characterized in that: The external thread of the external thread driving rod (12) matches the internal thread of the sliding platform (15), and the sliding platform (15) can slide left and right along the outside of the steel sliding rod (13).

7. The punching and folding machine for metal backboard with a suction cup structure according to claim 1, characterized in that: An accordion-type dust cover (16) is movably connected between the two sides of the sliding platform (15) and the two sides inside the transverse steel groove (11). The outer diameter of the sliding platform (15) matches the inner diameter of the transverse steel groove (11), and the sliding platform (15) can slide left and right along the inside of the transverse steel groove (11).

8. The punching and folding machine for metal backboards with a suction cup structure according to claim 1, characterized in that: A blank conveyor belt (27) is installed on the other side of the top rear end of the front end support platform (9), and the finished product conveyor belt (26) and the blank conveyor belt (27) have the same size and specifications.

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