Precision hardware stamping device

Abstract

The invention provides a precision hardware stamping machining device which comprises a control system, a machine base and a machine frame, and the machine base sequentially comprises an unwinding assembly, a pressing and cutting assembly and a material distributing assembly according to machining procedures; the press-cutting assembly comprises an upper die structure and a lower die structure. The upper die structure comprises an upper die base, and the lower die structure comprises a lower die base. A first flattening assembly and a second flattening assembly are sequentially arranged between the unwinding assembly and the pressing and cutting assembly. A punching structure is arranged on the side, close to the second flattening assembly, of the upper die base, and an ejection structure is arranged at the position, corresponding to the punching structure, of the lower die base. The material distributing assembly comprises a material taking structure, a waste material collecting box and a finished product collecting structure; the material taking structure comprises a clamping jaw; the waste collecting box is arranged on one side of the pressing and cutting assembly, and the waste collecting box and the finished product collecting structure are arranged side by side. The clamping jaw comprises a clamping jaw support, a fourth lifting driving motor, a rotating driving motor, a first negative pressure suction cup and a plurality of second negative pressure suction cups. The automation degree is high, and the overall structure is simplified.

Description

Technical Field

[0001] The present invention relates to the technical field of hardware stamping, and particularly relates to a precision hardware stamping processing device. Background Art

[0002] Chinese Patent Publication No. CN118492190A, with a publication date of August 16, 2024, discloses a precision stamping forming device for automatically producing shielding covers. The present invention includes a base, on one side of the top of the base, there is a fixed L-shaped mounting frame. Inside the mounting frame, there is a fixed support table, and between the bottom of the support table and the mounting frame, there are fixed inclined stiffening plates. At one end of the top of the support table, there is a lower die assembly. At the position corresponding to the lower die assembly at the inner top of the mounting frame, there is an upper die assembly. At the end of the top of the support table far from the lower die assembly, there is a stock preparation mechanism for supplying raw materials for producing shielding covers; the stock preparation mechanism consists of a unwinding assembly, a conveying assembly, and a pressing and cutting assembly. There is an anti-backward winding mechanism between the unwinding assembly and the conveying assembly. The present invention breaks through the traditional horizontal continuous die structure design, with a clever structure design, which can save the occupied space of the stamping forming die, and each action progresses step by step, improving the quality of stamping forming. The defect of this prior art is that the anti-backward winding mechanism is too complex, making the overall structure complicated, thus increasing the manufacturing cost of the equipment. In view of this situation, it is urgent to improve. Summary of the Invention

[0003] Based on this, the purpose of the present invention is to provide a precision hardware stamping processing device, which can realize steps such as automatic unwinding - flattening - anti-backward winding - cutting, punching - stamping - automatic material separation, etc., with a high degree of automation, and simplifies the overall structure, reducing the equipment cost.

[0004] The present invention provides a precision hardware stamping processing device, including a control system, a machine base, and a frame fixedly installed on the machine base. The machine base sequentially includes an unwinding assembly, a pressing and cutting assembly, and a material separation assembly according to the processing procedures; the pressing and cutting assembly includes an upper die structure and a lower die structure; the upper die structure includes an upper die base, and the lower die structure includes a lower die base;

[0005] A first flattening assembly and a second flattening assembly are sequentially arranged between the unwinding assembly and the pressing and cutting assembly;

[0006] On one side of the upper die base facing the second flattening assembly, there is a punching structure, and at the position corresponding to the punching structure on the lower die base, there is a jacking structure;

[0007] The material separation assembly includes a material taking structure, a waste collection box, and a finished product collection structure; the material taking structure includes a clamping jaw; the waste collection box is arranged on one side of the pressing and cutting assembly, and the waste collection box and the finished product collection structure are arranged side by side;

[0008] The clamp includes a clamp bracket, a fourth lifting drive motor, a rotation drive motor, a first negative pressure suction cup, and multiple second negative pressure suction cups; the fourth lifting drive motor is correspondingly installed in the middle part of the clamp bracket, the power output end of the fourth lifting drive motor is connected to the rotation drive motor, the power output end of the rotation drive motor is connected to the first negative pressure suction cup, and the second negative pressure suction cups are installed on four sides of the clamp bracket.

[0009] Preferably, a first supporting roller is provided between the unwinding assembly and the first flattening assembly.

[0010] Preferably, the first flattening assembly and the second flattening assembly both include an upper pressure roller, a second support roller, and a first lifting drive motor; the upper pressure roller and the second support roller are arranged correspondingly up and down, the first lifting drive motor is installed on the frame, and the power output end of the first lifting drive motor is connected to the upper pressure roller through a telescopic bracket.

[0011] Preferably, the upper die structure also includes a first cylinder, two second cylinders, a punching head, and a cutting blade. The first cylinder is installed on the frame, and the power output end of the first cylinder passes through the upper die base and is connected to the punching head. The upper die base is provided with a punching head storage cavity for accommodating the punching head; the two second cylinders are installed on the frame, and the power output ends of the two second cylinders are connected to the upper die base; the cutting blade is fixedly arranged at the bottom of the upper die base.

[0012] Preferably, the lower die seat is provided with a stamping die cavity corresponding to the stamping head and a cutting clearance groove cooperating with the cutting blade.

[0013] Preferably, the punching structure includes a third cylinder and a hole punch, the third cylinder is installed on the upper die base, and a first through hole for the hole punch to extend out is opened at a position of the upper die base corresponding to the power output end of the third cylinder; the ejection structure includes a second lifting drive motor and a limiting pull rod, and a second through hole coaxial with the first through hole and used to accommodate the limiting pull rod is opened at a position of the lower die base corresponding to the first through hole, the second lifting drive motor is installed on the machine base, and the power output end of the second lifting drive motor is connected to the limiting pull rod; the cross-sectional diameter of the hole punch is larger than the cross-sectional diameter of the limiting pull rod.

[0014] Preferably, the material picking structure also includes a rotating seat, a third lifting drive motor, and an electric telescopic arm. The rotating seat is installed on the machine base, the power output end of the rotating seat is connected to the third lifting drive motor, the power output end of the third lifting drive motor is connected to the electric telescopic arm, and the free end of the electric telescopic arm is equipped with the clamp.

[0015] Preferably, the finished product collection structure includes a first lead screw motor, a second lead screw motor, a third lead screw motor, and a tray placement seat. The first lead screw motor is connected to the second lead screw motor through a sliding seat, the second lead screw motor is connected to the third lead screw motor through a sliding seat, and the third lead screw motor is connected to the tray placement seat through a sliding seat. The operating directions of the first lead screw motor and the second lead screw motor are the same, and the operating directions of the second lead screw motor and the third lead screw motor are perpendicular to each other.

[0016] Preferably, the operating direction of the first lead screw motor is perpendicular to the feeding direction of the unwinding assembly.

[0017] Preferably, at least one guide rod passing through the upper die base is provided between the machine frame and the lower die base.

[0018] The beneficial effects of the present invention are as follows: The present invention successively includes an unwinding assembly, a pressing and cutting assembly, and a material distribution assembly according to the processing procedures. A first flattening assembly and a second flattening assembly are successively arranged between the unwinding assembly and the pressing and cutting assembly. A punching structure is provided on one side of the upper die base facing the second flattening assembly, and an ejecting structure is provided at a position corresponding to the punching structure on the lower die base. The material distribution assembly includes a material taking structure, a waste collection box, and a finished product collection structure, which can realize steps such as automatic unwinding - flattening - anti - rewinding - cutting, punching - stamping - automatic material distribution, etc. The degree of automation is high, and the overall structure is simplified, reducing the equipment cost. Description of the Drawings

[0019] Figure 1 is the front view of the present invention.

[0020] Figure 2 is the top view of the present invention.

[0021] Figure 3 is the partial front view of the present invention (in the anti - rewinding state).

[0022] Figure 4 is the bottom view of the clamping jaw.

[0023] Figure 5 is the front view of the finished product collection structure.

[0024] The accompanying drawings are marked as follows: unwinding assembly 11, first flattening assembly 12, second flattening assembly 13, pressing and cutting assembly 14, material dividing assembly 15, waste collection box 16, finished product collection structure 18, first screw motor 17, second support roller 19, first support roller 20, lower die seat 21, stamping die cavity 22, cutting and giving way groove 23, second lifting drive motor 24, limit pull rod 25, second through hole 26, telescopic bracket 27, upper pressure roller 29, first lifting drive motor 28, third cylinder 31, hole punch 30, first cylinder 3 3. Two second air cylinders 32, a punch head receiving chamber 34, an upper die seat 35, a punch head 37, a cutting blade 36, an electric telescopic arm 38, a rotating seat 39, a machine base 40, a clamping jaw 46, a clamping jaw bracket 45, a fourth lifting drive motor 43, a rotating drive motor 42, a first negative pressure suction cup 41, a second negative pressure suction cup 44, a second screw motor 49, a third screw motor 48, a material tray holding seat 47, a frame 50, a punching structure 51, an ejection structure 52, a material taking structure 53, a third lifting drive motor 54, and a guide rod 55. DETAILED DESCRIPTION

[0025] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with specific implementation methods and drawings.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Please refer to Figures 1-5 As shown, the present invention provides a precision hardware stamping processing device, including a control system, a machine base 40 and a frame 50 fixedly mounted on the machine base 40. The machine base 40 includes an unwinding assembly 11, a pressing and cutting assembly 14, and a material dividing assembly 15 in sequence according to the processing procedures; the pressing and cutting assembly 14 includes an upper die structure and a lower die structure; the upper die structure includes an upper die seat 35, and the lower die structure includes a lower die seat 21; the unwinding assembly 11, the pressing and cutting assembly 14, and the material dividing assembly 15 are all connected to the control system. At least one guide rod 55 penetrating the upper die seat 35 is arranged between the frame 50 and the lower die seat 21.

[0028] A first flattening assembly 12 and a second flattening assembly 13 are sequentially arranged between the unwinding assembly 11 and the pressing and cutting assembly 14; both the first flattening assembly 12 and the second flattening assembly 13 include an upper pressing roller 29, a second supporting roller 19, and a first lifting drive motor 28; the upper pressing roller 29 and the second supporting roller 19 are arranged corresponding to each other up and down, the first lifting drive motor 28 is installed on the machine frame 50, and the power output end of the first lifting drive motor 28 is connected to the upper pressing roller 29 through a telescopic bracket 27. By setting the first lifting drive motor 28, the relative distance between the upper pressing roller 29 and the second supporting roller 19 can be adjusted according to the thickness of the strip 10.

[0029] A punching structure 51 is arranged on one side of the upper die base 35 facing the second flattening assembly 13, and an ejecting structure 52 is provided at a position corresponding to the punching structure 51 on the lower die base 21; the punching structure 51 includes a third cylinder 31 and a hole punch 30, the third cylinder 31 is installed on the upper die base 35, and a first through hole for the hole punch 30 to extend out is provided at a position corresponding to the power output end of the third cylinder 31 on the upper die base 35; the ejecting structure 52 includes a second lifting drive motor 24 and a limiting pull rod 25, a second through hole 26 coaxial with the first through hole and used for accommodating the limiting pull rod 25 is provided at a position corresponding to the first through hole on the lower die base 21, the second lifting drive motor 24 is installed on the machine base 40, and the power output end of the second lifting drive motor 24 is connected to the limiting pull rod 25; the cross-sectional diameter of the hole punch 30 is larger than the cross-sectional diameter of the limiting pull rod 25. The upper die structure further includes a first cylinder 33, two second cylinders 32, a punching head 37, and a cutting blade 36. The first cylinder 33 is installed on the machine frame 50, the power output end of the first cylinder 33 penetrates through the upper die base 35 and is connected to the punching head 37, and a punching head receiving cavity 34 for accommodating the punching head 37 is provided on the upper die base 35; the two second cylinders 32 are installed on the machine frame 50, and the power output ends of the two second cylinders 32 are connected to the upper die base 35; the cutting blade 36 is fixedly arranged at the bottom of the upper die base 35. The lower die base 21 is provided with a punching die cavity 22 corresponding to the punching head 37 and a cutting relief groove 23 cooperating with the cutting blade 36. The first cylinder 33 outputs power to cause the punching head 37 to complete the punching and forming action; the two second cylinders 32 output power to cause the upper die base 35 to complete the cutting action and realize the pressing and fixing of the strip to be punched. The shape of the punching die cavity 22 is set to correspond to the shape of the required hardware part.

[0030] The material separating assembly 15 includes a material picking structure 53, a waste collecting box 16, and a finished product collecting structure 18; the material picking structure 53 includes a clamping jaw 46; the waste collecting box 16 is arranged on one side of the pressing and cutting assembly 14, and the waste collecting box 16 and the finished product collecting structure 18 are arranged in parallel; the clamping jaw 46 includes a clamping jaw bracket 45, a fourth lifting drive motor 43, a rotary drive motor 42, a first negative pressure suction cup 41, and a plurality of second negative pressure suction cups 44; the fourth lifting drive motor 43 is correspondingly installed in the middle of the clamping jaw bracket 45, the power output end of the fourth lifting drive motor 43 is connected to the rotary drive motor 42, the power output end of the rotary drive motor 42 is connected to the first negative pressure suction cup 41, and the second negative pressure suction cups 44 are installed on the four sides of the clamping jaw bracket 45. The first negative pressure suction cup 41 and the second negative pressure suction cups 44 are respectively connected to different negative pressure air sources, and the opening and closing of the two negative pressure air sources are controlled by the control system.

[0031] A first support roller 20 is arranged between the unwinding assembly 11 and the first flattening assembly 12 to ensure the smoothness of the strip 10 during transportation.

[0032] The material picking structure 53 further includes a rotating base 39, a third lifting drive motor 54, and an electric telescopic arm 38. The rotating base 39 is installed on the machine base 40, the power output end of the rotating base 39 is connected to the third lifting drive motor 54, the power output end of the third lifting drive motor 54 is connected to the electric telescopic arm 38, and the free end of the electric telescopic arm 38 is installed with the clamping jaw 46. The rotating base 39 drives the third lifting drive motor 54 and the electric telescopic arm 38 to perform a rotation action at a predetermined angle, the third lifting drive motor 54 drives the electric telescopic arm 38 to perform a displacement action in the up and down direction, and the electric telescopic arm 38 drives the clamping jaw 46 to complete the telescopic material picking action.

[0033] The finished product collecting structure 18 includes a first lead screw motor 17, a second lead screw motor 49, a third lead screw motor 48, and a material tray placing seat 47. The first lead screw motor 17 is connected to the second lead screw motor 49 through a sliding seat, the second lead screw motor 49 is connected to the third lead screw motor 48 through a sliding seat, and the third lead screw motor 48 is connected to the material tray placing seat 47 through a sliding seat; the operating directions of the first lead screw motor 17 and the second lead screw motor 49 are the same, and the operating directions of the second lead screw motor 49 and the third lead screw motor 48 form a vertical relationship. The finished product collecting structure 18 can realize the position transformation in the left - right and front - back directions, so as to adapt to the discharging of the clamping jaw 46; when the material tray on the material tray placing seat 47 is full, the first lead screw motor 17 drives the second lead screw motor 49, the third lead screw motor 48, and the material tray placing seat 47 to move to the next working station.

[0034] The operating direction of the first lead screw motor 17 forms a vertical relationship with the discharging direction of the unwinding assembly 11. Through such a structural setting, the overall area of the device is reduced, thereby improving the space utilization rate.

[0035] The operating steps of this embodiment are as follows:

[0036] 1. The tape 10 is pulled out from the unwinding assembly 11;

[0037] 2. It is flattened successively by the first flattening assembly 12 and the second flattening assembly 13;

[0038] 3. The unwinding assembly 11 continues to feed the material until the tape 10 moves to the position of the cutting assembly 14;

[0039] 4. The upper die holder 35 presses down, the tape 10 is cut by the cutting blade 36, and at the same time, the cut tape is pressed and fixed by the upper die holder 35;

[0040] 5. The punching structure 51 acts to punch holes at the corresponding positions of the raw tape 10;

[0041] 6. The ejecting structure 52 acts, and the limiting pull rod 25 extends into the holes punched by the punching structure 51, thereby pulling the tape 10 to prevent back-rolling;

[0042] 7. The first cylinder 33 causes the punching head 37 to punch the required shape on the cut tape and then reset;

[0043] 8. The upper die holder 35 rises and resets, the material taking structure 53 acts, and the waste and finished products are adsorbed and fixed synchronously by the material taking structure 53. When the clamping jaw 46 moves above the waste collection box 16, the clamping jaw 46 first drops the waste, and then the clamping jaw 46 moves to the position of the finished product collection structure 18 and places the finished product into the finished product tray on the tray bearing seat 47;

[0044] 9. After the material taking structure 53 takes away the waste and the finished products, the ejecting structure 52 resets, and the unwinding assembly 11 continues to act, repeating the above steps.

[0045] This embodiment can realize steps such as automatic unwinding - flattening - anti-back-rolling - cutting, punching - stamping - automatic material separation, etc. It has a high degree of automation, simplifies the overall structure, and reduces the equipment cost.

[0046] The above-described embodiments only represent one implementation manner of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation to the scope of the present invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent should be subject to the appended claims.

Claims

1. A precision hardware stamping processing device, comprising a control system, a machine base (40) and a frame (50) fixedly mounted on the machine base (40), wherein the machine base (40) comprises an unwinding assembly (11), a pressing and cutting assembly (14), and a material dividing assembly (15) in sequence according to the processing steps; the pressing and cutting assembly (14) comprises an upper die structure and a lower die structure; the upper die structure comprises an upper die seat (35), and the lower die structure comprises a lower die seat (21); characterized in that: A first flattening assembly (12) and a second flattening assembly (13) are sequentially arranged between the unwinding assembly (11) and the pressing and cutting assembly (14); A punching structure (51) is provided on the side of the upper die base (35) close to the second flattening assembly (13), and an ejection structure (52) is provided on the lower die base (21) at a position corresponding to the punching structure (51); The material distributing assembly (15) comprises a material taking structure (53), a waste material collecting box (16), and a finished product collecting structure (18); the material taking structure (53) comprises a clamping claw (46); the waste material collecting box (16) is arranged on one side of the pressing and cutting assembly (14), and the waste material collecting box (16) and the finished product collecting structure (18) are arranged in parallel; The clamping jaw (46) includes a clamping jaw bracket (45), a fourth lifting drive motor (43), a rotation drive motor (42), a first negative pressure suction cup (41), and a plurality of second negative pressure suction cups (44); the fourth lifting drive motor (43) is correspondingly installed in the middle part of the clamping jaw bracket (45), the power output end of the fourth lifting drive motor (43) is connected to the rotation drive motor (42), the power output end of the rotation drive motor (42) is connected to the first negative pressure suction cup (41), and the second negative pressure suction cups (44) are installed on four sides of the clamping jaw bracket (45).

2. A precision hardware stamping processing device according to claim 1, characterized in that: A first supporting roller (20) is arranged between the unwinding assembly (11) and the first flattening assembly (12).

3. The precision hardware stamping processing device according to claim 1, characterized in that: The first flattening assembly (12) and the second flattening assembly (13) both comprise an upper pressure roller (29), a second support roller (19), and a first lifting drive motor (28); the upper pressure roller (29) and the second support roller (19) are arranged correspondingly up and down, the first lifting drive motor (28) is installed on the frame (50), and the power output end of the first lifting drive motor (28) is connected to the upper pressure roller (29) via a telescopic bracket (27).

4. The precision hardware stamping processing device according to claim 1, characterized in that: The upper die structure also includes a first cylinder (33), two second cylinders (32), a punch head (37), and a cutting blade (36); the first cylinder (33) is mounted on the frame (50); a power output end of the first cylinder (33) passes through the upper die base (35) and is connected to the punch head (37); the upper die base (35) is provided with a punch head receiving cavity (34) for receiving the punch head (37); the two second cylinders (32) are mounted on the frame (50); the power output ends of the two second cylinders (32) are connected to the upper die base (35); and the cutting blade (36) is fixedly arranged at the bottom of the upper die base (35).

5. The precision hardware stamping processing device according to claim 4 is characterized in that: The lower die base (21) is provided with a stamping die cavity (22) corresponding to the stamping head (37) and a cutting clearance groove (23) matched with the cutting blade (36).

6. A precision hardware stamping processing device according to claim 5, characterized in that: The punching structure (51) comprises a third cylinder (31) and a hole punch (30), wherein the third cylinder (31) is mounted on the upper die base (35), and a first through hole for the hole punch (30) to extend out is provided at a position of the upper die base (35) corresponding to the power output end of the third cylinder (31); the ejection structure (52) comprises a second lifting drive motor (24) and a limiting pull rod (25), and a second through hole (26) coaxial with the first through hole and used to accommodate the limiting pull rod (25) is provided at a position of the lower die base (21) corresponding to the first through hole, and the second lifting drive motor (24) is mounted on the machine base (40), and the power output end of the second lifting drive motor (24) is connected to the limiting pull rod (25); the cross-sectional diameter of the hole punch (30) is greater than the cross-sectional diameter of the limiting pull rod (25).

7. The precision hardware stamping processing device according to claim 1, characterized in that: The material picking structure (53) also includes a rotating seat (39), a third lifting drive motor (54), and an electric telescopic arm (38). The rotating seat (39) is installed on the machine base (40). The power output end of the rotating seat (39) is connected to the third lifting drive motor (54), and the power output end of the third lifting drive motor (54) is connected to the electric telescopic arm (38). The free end of the electric telescopic arm (38) is equipped with the clamp (46).

8. The precision hardware stamping processing device according to claim 1, characterized in that: The finished product collecting structure (18) comprises a first screw motor (17), a second screw motor (49), a third screw motor (48), and a tray receiving seat (47); the first screw motor (17) is connected to the second screw motor (49) via a slide, the second screw motor (49) is connected to the third screw motor (48) via a slide, and the third screw motor (48) is connected to the tray receiving seat (47) via a slide; the first screw motor (17) and the second screw motor (49) have the same running direction, and the second screw motor (49) and the third screw motor (48) have a vertical running direction.

9. A precision hardware stamping processing device according to claim 8, characterized in that: The running direction of the first screw motor (17) is perpendicular to the unwinding direction of the unwinding assembly (11).

10. The precision hardware stamping processing device according to claim 1, characterized in that: At least one guide rod (55) penetrating the upper die base (35) is arranged between the frame (50) and the lower die base (21).

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