Automatic feeding device of continuous stamping die

Abstract

An automatic feeding device for a continuous stamping die comprises a stamping machine body and feeding devices, the feeding devices are arranged on the left side of the stamping machine body at intervals, electric cabinets are arranged on the front sides of the feeding devices at intervals, the electric cabinets are electrically connected with the feeding devices through electric wires, and each feeding device comprises a machine body, a feeding part and a leveling part; the feeding part is rotationally installed at the left end of the front side of the machine body and comprises a material frame body, a pressing mechanism and a servo motor, the pressing mechanism is hinged to the top of the left side of the machine body and used for preventing material scattering of a material frame plate body, a protruding part is arranged at the bottom end of the left side of the machine body, and an air cylinder is arranged at the top of the protruding part and used for driving the pressing mechanism; a through hole is formed in the right side of the pressing mechanism, a rotating shaft of the servo motor and the through hole are coaxially arranged, and the rotating shaft of the servo motor is sleeved with the material frame body. The feeding safety can be effectively protected through the material pressing mechanism, the feeding precision can be effectively improved through the servo motor and the leveling part, and the requirement of a continuous stamping die is better met.

Description

Technical Field

[0001] The utility model relates to the field of metal processing, and particularly relates to an automatic feeding device for a continuous stamping die. Background Art

[0002] A progressive die consists of multiple stations, and each station is sequentially associated to complete different processes, and a series of different stamping processes are completed in one stroke of a punching press. This requires high precision for the automatic material collecting device. Existing feeding machines can be divided into clamp type feeding machines, roller feeding machines, coil feeding machines, servo feeding machines, etc. The servo feeding machine is an automated device integrating digital, mechanical, and pneumatic technologies, and plays a crucial role in the high-end stamping industry. The servo feeding machine is more convenient in terms of adjustment and control than other mechanical feeding machines, easier to operate, and more convenient to adjust. Compared with roller feeding machines, it has lower requirements for operators. In the existing high-end stamping industry, the requirements for stamping precision are getting higher and higher.

[0003] Currently, a Chinese patent with the authorization announcement number CN104889280A discloses a high-efficiency automatic feeder for a punching press. It includes: First, a transmission part, which can synchronously transmit the power of the punching press crankshaft to the controller in a rotational manner; Second, a controller part, which can transmit the power transmitted by the transmission part to the trolley of the feeding device part, so that the trolley rhythmically transports raw materials into the stamping die; Third, a feeding device part, which is used to clamp the raw materials to be stamped and rhythmically transports them into the die according to the lifting of the stamping die under the transportation of the trolley. The present invention can realize automatic feeding through the linkage drive component while the punching press is working, thereby improving work efficiency; there are no special requirements for the type of stamping products, and the applicable range is relatively wide; the present invention has no overly strict requirements for the external dimensions of the stamping raw materials, and in particular, the scrap materials can be reused; compared with a numerical control punching press, the present invention has low cost, is easy to operate, and is easy to maintain.

[0004] The above-mentioned existing technical solutions have the following defects: the safety of the loading rack is insufficient, it is easy to scatter materials, the feeding accuracy of the feeding machine is low, it is inconvenient to adjust the feeding pitch, and there is a lack of a leveling device. Content of the Utility Model

[0005] The purpose of the utility model is to provide an automatic feeding device for a continuous stamping die to solve the problems existing in the above-mentioned existing technologies.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions:

[0007] An automatic feeding device for a continuous stamping die includes a punching press body and a feeding device. The feeding device is arranged at intervals on the left side of the punching press body, and an electric control box is arranged at intervals on the front side of the feeding device. The feeding device includes a machine body, a feeding part, and a leveling part;

[0008] The feeding part is rotatably installed at the left end of the front side of the fuselage. The feeding part includes a material rack body, a material pressing mechanism and a servo motor. The servo motor is fixedly installed inside the fuselage. The material rack body is sleeved on the rotating shaft of the servo motor. The material pressing mechanism is hinged at the top of the left side of the fuselage. The material pressing mechanism is used to prevent the materials on the material rack body from scattering during the feeding process. A protruding part is arranged at the bottom end of the left side of the fuselage, and a cylinder is arranged at the top of the protruding part. The cylinder is used to drive the material pressing mechanism;

[0009] The leveling part is fixedly installed on the right side of the top of the fuselage. The leveling part is composed of a shell, a rolling roller, a transfer roller shaft and a handle.

[0010] By adopting the above technical solutions, automated production is achieved in the stamping industry. Generally, the materials used are coil materials. After metal materials (such as stainless steel, steel, copper, aluminum, iron, etc.) are formed into coils, problems such as longitudinal curling and transverse warping will occur in the flatness of the materials, and there will also be residual internal stresses. If such uneven materials and coil materials with internal stress problems are directly fed into the feeder and then precisely fed to the punching machine and shearing machine for processing and production, a series of problems will occur. However, after being leveled by the leveling part, the internal residual internal stresses can be eliminated, the stability and working efficiency of stamping processing can be improved. The servo motor controls the rotation of the turntable for feeding, which can achieve high-precision feeding, stage feeding, etc., can increase the efficiency of the entire feeding process, and is also more convenient to operate in terms of adjustment and control than other mechanical feeders. The material pressing mechanism can prevent the coil materials on the turntable from scattering during the feeding process, and can also ensure that there will be no material breakage when loading some heavy coil materials, which can ensure the safety of the operators and effectively avoid the occurrence of safety accidents.

[0011] In a further embodiment, the material rack body includes a turntable and a clamping jaw. The clamping jaw is fixedly installed at the center of the front side of the turntable. The clamping jaw is used to fix the materials on the material rack.

[0012] By adopting the above technical solutions, the materials are wound around the clamping jaw in a whole coil. The clamping jaw can fix the materials from the inside to the outside and rotate according to the rotation of the servo motor, so as to achieve precise feeding.

[0013] In a further embodiment, an oil pressure expansion device is fixedly installed at the bottom end of the front side of the fuselage. The oil pressure expansion device is connected to the clamping jaw through an infusion pipe. The oil pressure expansion device is used to automatically adjust the inner diameter of the materials on the material rack.

[0014] By adopting the above technical solution, the oil pressure expansion device and the jaws are linked, enabling automatic adjustment of the inner diameter of the material. Currently, many types of material racks use a manual expansion method, which is time-consuming and laborious. By relying on the oil pressure expansion device to drive the expansion of the inner diameter of the material rack, the supporting tile plate can be tightened against the inner diameter of the coiled material, reducing the labor intensity of heavy material coils during expansion and contraction and ensuring complete tightening. Usually, material coils weighing over two tons are equipped with such devices.

[0015] In a further embodiment, a touch screen is fixedly installed on the top of the electric control box.

[0016] By adopting the above technical solution, data such as the feeding speed and pitch of the feeding machine can be conveniently adjusted through the touch screen on the electric control box. The processed quantity, speed, etc. are clearly visible on the touch screen. Compared with the complex adjustment method of the roller feeder, the design of the servo motor and the touch screen greatly reduces the technical requirements for operators, shortening the training cycle and reducing the labor cost.

[0017] In a further embodiment, a plurality of casters are fixedly installed at the bottom of the electric control box.

[0018] By adopting the above technical solution, during the feeding process, in addition to adjusting the feeding device, the feeding port of the stamping machine also needs to be adjusted. Since the feeding device is often at a certain distance from the stamping machine, when the electric control box is moved next to the stamping machine, both feeding and debugging will be simpler.

[0019] In a further embodiment, a plurality of observation holes are evenly arranged on the front side and the rear side of the housing.

[0020] By adopting the above technical solution, it is relatively dangerous to observe the leveling part when leveling the material. Observing from the left and right sides, on the one hand, the whole picture cannot be observed, and on the other hand, if hair or clothes are caught in, it is easy to cause injury accidents. After the observation holes are set, the aperture of the observation holes themselves is relatively small, and people cannot put their fingers in. At the same time, due to the even arrangement of a plurality of observation holes, the internal situation can be intuitively seen.

[0021] In summary, the present utility model has the following beneficial effects:

[0022] 1. Through the setting of the material pressing mechanism and the cylinder, the up and down position of the material pressing mechanism can be adjusted by the cylinder, enabling the material pressing mechanism to always have a fastening effect on the material on the material rack. During the feeding process, since the materials are in a coiled state, there is a high possibility of material scattering. If the material pressing mechanism applies a downward force to the material, the material can be well fastened. At the same time, the material pressing mechanism can also prevent some elastic materials from flying out during the feeding process, playing a safety protection role;

[0023] 2. By setting the oil cylinder expansion device, it can be linked with the clamping jaws through the infusion tube, so that the clamping jaws expand outward to increase the inner diameter of the coil material. Compared with the traditional manual expansion method, it reduces the labor intensity of heavy coil material expansion and contraction, and can ensure that the coil material is completely tightened, which is very effective when dealing with heavy coil materials and can save the trouble of manually expanding the inner diameter of the coil material;

[0024] 3. By setting the leveling part, the material can be pre-leveled before entering the stamping machine, eliminating its internal stress and reducing the possible errors during the stamping process. Since the stamping machine body adopts the processing method of continuous stamping die, there are high requirements for the feeding accuracy. Therefore, a servo motor is also needed to drive the feeding part to improve the stamping accuracy and facilitate continuous stamping forming. Brief Description of the Drawings

[0025] Figure 1 is the overall schematic diagram of an automatic feeding device for a continuous stamping die of the present utility model;

[0026] Figure 2 is the internal structure schematic diagram of the body and the leveling part in an automatic feeding device for a continuous stamping die of the present utility model;

[0027] Figure 3 is the schematic diagram of the positional relationship between the material rack body and the cylinder in an automatic feeding device for a continuous stamping die of the present utility model.

[0028] In the figure, 1. Stamping machine body; 2. Feeding device; 21. Body; 22. Feeding part; 23. Leveling part; 3. Electric control box; 4. Material rack body; 41. Turntable; 42. Clamping jaws; 5. Pressure material mechanism; 6. Servo motor; 7. Cylinder; 8. Shell; 9. Roller; 10. Transfer roller shaft; 11. Handle; 12. Oil pressure expansion device; 13. Touch screen; 14. Caster. Detailed Description of the Preferred Embodiment

[0029] The following further describes the present utility model in detail with reference to the accompanying drawings.

[0030] Among them, the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the attached Figure 1In the directions herein, the terms "bottom surface" and "top surface", "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component. Additionally, the terms "first" and "second" are used only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this specification, "a plurality of" means two or more, unless otherwise specifically defined.

[0031] Embodiment:

[0032] As Figures 1 - 3 shown, a continuous stamping die automatic feeding device includes a stamping machine body 1 and a feeding device 2. The feeding device 2 is arranged at intervals on the left side of the stamping machine body 1. An electric control box 3 is arranged at intervals on the front side of the feeding device 2. The electric control box 3 is electrically connected to the feeding device 2 through wires. The feeding device 2 includes a fuselage 21, a feeding part 22 and a leveling part 23. The leveling part 23 is composed of a housing 8, rolling rolls 9, a transfer roller shaft 10 and a handle 11. A plurality of observation holes are evenly arranged on the front side and the rear side of the housing 8. The feeding part 22 is rotatably installed at the left end of the front side of the fuselage 21. The feeding part 22 includes a material rack body 4, a material pressing mechanism 5 and a servo motor 6. The servo motor 6 is fixedly installed inside the fuselage 21. The material pressing mechanism 5 is hinged at the top of the left side of the fuselage 21. The material pressing mechanism 5 is used to prevent the material rack plate from scattering. A protruding part is arranged at the bottom end of the left side of the fuselage 21. A cylinder 7 is arranged at the top of the protruding part. The cylinder 7 is used to drive the material pressing mechanism 5. A through hole is arranged on the right side of the material pressing mechanism 5. The rotating shaft of the servo motor 6 is coaxially arranged with the through hole. The material rack body on the feeding part 22 is used to store the material itself. When storing the material, the material pressing mechanism 5 can fasten the material to prevent scattering during the feeding process or prevent the material from having too much elasticity and injuring the staff. In addition to the feeding part 22, the feeding device 2 also integrates a leveling part 23. The material is leveled before entering the stamping machine body 1 to eliminate its internal stress and make it more flat for stamping. The servo motor 6 can make the rotation of the material rack body 4 more accurate, which helps to improve the feeding accuracy.

[0033] As Figures 1 - 3As shown in the figure, the material rack body 4 is sleeved on the rotating shaft of the servo motor 6. The leveling part 23 is fixedly installed on the right side of the top of the fuselage 21. The material rack body 4 includes a turntable 41 and a clamping jaw 42. The clamping jaw 42 is fixedly installed at the front center of the turntable 41. The clamping jaw 42 is used to fix the material on the material rack. An oil pressure expansion device 12 is fixedly installed at the bottom end of the front side of the fuselage 21. The oil pressure expansion device 12 is connected to the clamping jaw 42 through an infusion pipe. The oil pressure expansion device 12 is used to automatically adjust the inner diameter of the material on the material rack. A touch screen 13 is fixedly installed on the top of the electric control box 3. A start button and a stop button are arranged at intervals from top to bottom on the left side of the touch screen 13. An indicator light and an emergency stop button are arranged at intervals from top to bottom on the right side of the touch screen 13. A transparent protective cover is hinged on the top of the touch screen 13. A plurality of casters 14 are fixedly installed at the bottom of the electric control box 3. A self-locking device is arranged on each of the plurality of casters 14. The oil pressure expansion device 12 can assist the clamping jaw 42 to fix the material on the material rack and can also automatically adjust the inner diameter of the material on the material rack. Compared with mechanical devices and manual adjustment, it is more labor-saving and has higher efficiency. The touch screen 13 arranged on the electric control box 3 can effectively adjust the feeding speed and feeding pitch of the material rack body 4, etc. In case of danger, the emergency stop button can also be pressed to make the device stop immediately.

[0034] Specific implementation process: First, the material is sleeved on the clamping jaw 42 of the material rack body 4. By means of the touch screen on the electric control box 3, the oil pressure expansion device 12 can be started to firmly sleeve the material on the clamping jaw 42. After the clamping jaw 42 adjusts the inner diameter of the material to a suitable size, the material is led to the leveling part 23 and conveyed all the way along the pressure roller to the transfer shaft roller, and then is arranged at the feeding place of the stamping machine body 1 all the way from the transfer shaft roller. At this time, the feeding device 2 is controlled to operate through the touch screen, and the stamping machine body 1 performs a trial stamping. After confirming that the stamping is completed, the feeding pitch can be adjusted according to actual needs and debugged one by one through the touch screen 13. When the formal operation is completed after debugging, the air cylinder 7 operates and presses the material pressing mechanism 5 on the material on the feeding rack body, and the servo motor 6 in the fuselage 21 rotates, driving the turntable 41 and the clamping jaw 42 to rotate together. At this time, the continuous stamping die can work normally.

[0035] In the embodiments disclosed in the present utility model, terms such as "installation", "connection", "linkage", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linkage" can be a direct linkage or an indirect linkage through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments disclosed in the present utility model can be understood according to specific situations.

[0036] This specific embodiment is only an interpretation of the present utility model and is not a limitation thereto. After reading this specification, those skilled in the art may make modifications to this embodiment that do not contribute creatively, but as long as they are within the scope of the claims of the present utility model, they are protected by the patent law.

Claims

1. An automatic feeding device for a continuous stamping die, comprising a stamping machine body (1) and a feeding device (2), characterized in that: The feeding device (2) is arranged at intervals on the left side of the punching machine body (1), and an electric control box (3) is arranged at intervals on the front side of the feeding device (2). The feeding device (2) comprises a body (21), a feeding part (22) and a leveling part (23); The feeding part (22) is rotatably mounted on the front left end of the machine body (21), and the feeding part (22) comprises a material rack body (4), a material pressing mechanism (5) and a servo motor (6); the servo motor (6) is fixedly mounted inside the machine body (21); the material rack body (4) is sleeved on the rotating shaft of the servo motor (6); the material pressing mechanism (5) is hinged on the left top of the machine body (21); the material pressing mechanism (5) is used to prevent the material on the material rack body (4) from falling apart during the feeding process; a protruding part is provided at the left bottom end of the machine body (21); a cylinder (7) is provided on the top of the protruding part; the cylinder (7) is used to drive the material pressing mechanism (5); The flattening part (23) is fixedly mounted on the top right side of the machine body (21), and the flattening part (23) is composed of a shell (8), a roller (9), a transfer roller shaft (10) and a handle (11).

2. The automatic feeding device for continuous stamping dies according to claim 1, characterized in that: The material rack body (4) comprises a turntable (41) and a clamping claw (42); the turntable (41) is sleeved on the rotating shaft of the servo motor (6); the clamping claw (42) is fixedly installed at the front center position of the turntable (41); the clamping claw (42) is used to fix the coiled material set on the turntable (41).

3. The automatic feeding device for continuous stamping dies according to claim 2, characterized in that: A hydraulic expansion device (12) is fixedly mounted on the front bottom end of the fuselage (21), and the hydraulic expansion device (12) is connected to the clamping claw (42) via an infusion tube. The hydraulic expansion device (12) is used to replace the manual expansion method of the standard material rack.

4. The automatic feeding device for continuous stamping dies according to claim 1, characterized in that: A touch screen (13) is fixedly mounted on the top of the electric control box (3).

5. The automatic feeding device for continuous stamping dies according to claim 4, characterized in that: A plurality of casters (14) are fixedly mounted on the bottom of the electric control box (3).

6. The automatic feeding device for continuous stamping dies according to claim 1, characterized in that: A plurality of observation holes are evenly arranged on the front side of the shell (8) and the rear side of the shell (8).

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