Plate shearing mechanism of protective plate shearing machine

Abstract

The utility model discloses a plate shearing mechanism of a protective plate shearing machine, which relates to the technical field of plate shearing machines and comprises a plate shearing base and a feeding plate fixedly connected with one side of the plate shearing base. According to the plate cutting device, a crank can be rotated to drive an upper clamping plate and a lower clamping plate to clamp a plate, so that the plate is more stable when being cut, and the plate cutting efficiency is improved. The manual adjustment mode can adapt to plates with different thicknesses, and the clamping effect is better; when the device is used for plate shearing operation, upper and lower plate shearing blades of the protection rod are isolated from the outside for protection, the body part of an operator is prevented from entering an operation space by mistake, meanwhile, the infrared emitter continuously emits infrared light to be received by the receiver, and if the infrared light is isolated, the buzzer is triggered to give an alarm, so that the safety protection capability of the device is further improved; the practicability is high.

Description

Technical Field

[0001] This utility model relates to the technical field of shearing machines, specifically to a shearing mechanism for a protective shearing machine. Background Technology

[0002] Shearing machines are a type of forging and pressing machinery, primarily used in the metal processing industry. Currently, to prevent sheet metal movement during the shearing process, shearing machines employ positioning techniques. However, different sheet metal thicknesses require different positioning distances. Therefore, spring-loaded positioning provides insufficient pressure for thin sheets, while the positioning distance for thick sheets is too small, resulting in high shearing resistance. Furthermore, without adequate safety measures, personnel are easily injured when near the moving shear blades, posing a significant safety risk. Utility Model Content

[0003] This utility model provides a protective shearing mechanism for a shearing machine, which has the advantages of manual and free adjustment of the positioning distance and strong safety protection capabilities, thus solving the problems of existing shearing machines having unadjustable positioning and low safety performance.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a shearing mechanism for a protective shearing machine, comprising a shearing base and a feed plate fixedly connected to one side of the shearing base, and further comprising a mechanism housing connected to the top surface of the base, a spacing adjustment assembly installed above the feed plate, and a safety protection assembly installed on the mechanism housing, wherein:

[0005] The top surface of the base is provided with an inclined material discharge ramp, and rectangular through holes are symmetrically provided on both sides of the material discharge ramp.

[0006] The spacing adjustment assembly includes clamping plates symmetrically installed at the top and bottom. The clamping plates are penetrated by symmetrically arranged limiting shafts at both ends. The limiting shafts are connected to the feed plate. One end of the clamping plate is penetrated by a spiral rod and spirally connected to it. The bottom end of the spiral rod is connected to a crank handle.

[0007] The safety protection component includes an extension plate connected to the outer shell of the mechanism. Protective side plates are symmetrically connected to both ends of the extension plate. Several protective rods are connected between the protective side plates. An infrared transmitter is provided on one of the protective side plates, and a receiver is symmetrically provided on the other protective side plate. A buzzer is provided on the base.

[0008] As a preferred technical solution of this utility model, the top surface of the base is provided with a groove, the groove is fitted and connected to both ends of the rotating shaft, a support wheel is installed on the rotating shaft, four square plates are symmetrically installed on the feeding plate, a bushing is provided on the square plate, the bushing is fitted and connected to both ends of the rotating shaft, a rotating wheel is provided on the rotating shaft, and the rotating wheel is at the same height as the support wheel.

[0009] As a preferred technical solution of this utility model, the through hole is slidably connected and cooperates with the slide rod. One end of the slide rod is penetrated by a limiting rod, and the other end is fixedly connected to one end of the baffle plate. A limiting plate is provided below the through hole, and the limiting plate is provided with a plurality of equidistant limiting holes.

[0010] As a preferred technical solution of this utility model, the base is provided with a fixing groove, the fixing groove is provided with a vertically upward lower blade, the lower blade is fixed to the fixing groove by screws, and an upper blade is installed above the lower blade in an alternating suspended manner.

[0011] As a preferred technical solution of this utility model, the upper blade is welded to the bottom surface of the pressure foot, the top of the pressure foot is fitted into the groove on the bottom surface of the hydraulic back plate, the bottom surface of the hydraulic back plate is provided with a sliding groove, and the sliding groove is slidably connected and cooperates with the hanging rods at both ends of the hydraulic back plate.

[0012] As a preferred technical solution of this utility model, a ranging transmitter is provided on the inner side of the groove of the hydraulic back plate, the ranging transmitter is located on the opposite side of the pressing foot, and a miniature telescopic machine is symmetrically installed on the slide groove, the miniature telescopic machine being fixedly connected to one side of the pressing foot.

[0013] As a preferred technical solution of this utility model, a plurality of hydraulic cylinders are installed on the outer shell of the mechanism, a hydraulic shaft is provided on the bottom surface of the hydraulic cylinder, the hydraulic shaft is connected to a hydraulic back plate, the hydraulic cylinder is connected to an oil tank through a pressure regulating valve and an oil pump, and a motor is installed on one side of the oil pump.

[0014] As a preferred technical solution of this utility model, an electrical box and a control box are installed on the outer side of the outer shell of the mechanism. The control box is equipped with a display screen, and several motor control buttons are provided below the display screen. The screw rod is equipped with two limit plates, and a fixing plate that is penetrated by the screw rod is installed on the limit plate. The fixing plate is installed on the feed plate.

[0015] Compared with the prior art, this utility model provides a protective shearing mechanism for a shearing machine, which has the following beneficial effects:

[0016] This invention utilizes a rotating wheel to make the sheet material easier to move, reducing the labor intensity of workers. The support wheel is at the same height as the two rotating wheels, forming a three-point support rolling system, eliminating gaps in the support surfaces and ensuring shearing quality. The sheet material advances and contacts the front stop plate, which can be slidably adjusted and fixed, allowing for controllable shearing distance and improving the flexibility of the shearing mechanism. The device can rotate a crank to drive the upper and lower clamping plates to slide and approach each other on the limiting shaft, clamping the sheet material and making it more stable during shearing. Manual adjustment can accommodate sheets of different thicknesses, providing better clamping effect. During shearing operations, a protective rod isolates the upper and lower blades of the shearing plate from the outside environment, preventing accidental entry of the operator's body into the operating space. Simultaneously, an infrared transmitter continuously emits infrared light, which is received by a receiver. If the infrared light is blocked, a buzzer alarm will be triggered, further enhancing the device's safety protection capabilities and making it highly practical. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a diagram of the internal structure of this utility model;

[0019] Figure 3 This is a structural diagram of the base of this utility model;

[0020] Figure 4 This is a structural diagram of the safety protection component of this utility model;

[0021] Figure 5 This is a structural diagram of the spacing adjustment component of this utility model;

[0022] Figure 6 This is a structural diagram of the baffle plate of this utility model;

[0023] Figure 7 This is a structural diagram showing the connection relationship of the hydraulic cylinder in this utility model;

[0024] Figure 8 This is a structural diagram showing the connection relationship between the upper and lower blades of this utility model.

[0025] In the diagram: 1. Base; 2. Feed plate; 11. Mechanism housing; 3. Spacing adjustment assembly; 12. Discharge ramp; 13. Through hole; 31. Clamping plate; 32. Limiting shaft; 33. Screw rod; 34. Handle; 4. Safety protection assembly; 41. Extension plate; 42. Protective side plate; 43. Protective rod; 44. Infrared transmitter; 45. Receiver; 46. Buzzer; 14. Groove; 141. Rotating shaft; 142. Support wheel; 21. Square plate; 22. Bushing; 23. Rotating wheel; 131. Slide rod; 132. Limiting rod; 133. 1. Material stop plate; 134. Limit plate; 135. Limit hole; 5. Fixing groove; 51. Lower blade; 52. Screw; 53. Upper blade; 54. Pressing foot; 55. Hydraulic back plate; 551. Slide groove; 552. Hanging rod; 553. Rangefinder transmitter; 554. Miniature telescopic machine; 6. Oil cylinder; 61. Hydraulic shaft; 62. Pressure regulating valve; 63. Oil pump; 64. Oil tank; 65. Motor; 111. Electrical box; 112. Control box; 113. Display screen; 114. Motor control button; 331. Limit plate; 332. Fixing plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0027] Please see Figures 1-5 This utility model discloses a shearing mechanism for a protective shearing machine, including a shearing base 1 and a feed plate 2 fixedly connected to one side of the shearing base 1, a mechanism housing 11 connected to the top surface of the base 1, a spacing adjustment assembly 3 installed above the feed plate 2, and a safety protection assembly 4 installed on the mechanism housing 11, wherein:

[0028] The top surface of the base 1 is provided with an inclined feeding ramp 12, and rectangular through holes 13 are symmetrically provided on both sides of the feeding ramp 12.

[0029] Please refer to the appendix. Figure 5 The spacing adjustment component 3 includes clamping plates 31 that are symmetrically installed on the top and bottom. The clamping plates 31 are penetrated by symmetrically arranged limiting shafts 32 at both ends. The limiting shafts 32 are connected to the feed plate 2. One end of the clamping plate 31 is penetrated by a spiral rod 33 and spirally connected to it. The bottom end of the spiral rod 33 is connected to a crank handle 34.

[0030] Please refer to the appendix. Figure 4The safety protection component 4 includes an extension plate 41 connected to the outer shell 11 of the mechanism. Protective side plates 42 are symmetrically connected to both ends of the extension plate 41. Several protective rods 43 are connected between the protective side plates 42. An infrared transmitter 44 is provided on one of the protective side plates 42, and a receiver 45 is symmetrically provided on the other protective side plate 42. A buzzer 46 is provided on the base 1.

[0031] Please refer to the appendix. Figure 3 The base 1 has a groove 14 on its top surface, which fits into the two ends of the rotating shaft 141. A support wheel 142 is installed on the rotating shaft 141. Four square plates 21 are symmetrically installed on the feed plate 2. A bushing 22 is provided on the square plate 21, which fits into the two ends of the rotating shaft 141. A rotating wheel 23 is provided on the rotating shaft 141. The rotating wheel 23 is at the same height as the support wheel 142. Specifically, the plate passes through the clamping plates 31 of the spacing adjustment component 3 and is placed on the rotating wheel 23. The plate is pushed, and the plate drives the rotating wheel 142 to rotate in the bushing 22 using the rotating shaft 141, which makes the plate easier to push and reduces the labor intensity of the workers. The plate is pushed onto the support wheel 142, which is at the same height as the two rotating wheels 142, forming a three-point support rolling, eliminating the gap of the support surface and ensuring the shearing quality.

[0032] In this embodiment, the rotatable handle 34 drives the spiral rod 33 to rotate on the fixed plate 332. The spiral rod 33 interacts with the clamping plate 31, and the spiral force causes the upper and lower clamping plates 31 to slide on the limiting shaft 32 and move closer to each other, forming a clamp on the plate, making the plate more stable when being cut. The manual adjustment method can adapt to plates of different thicknesses, and the clamping effect is better. When the device is performing the shearing operation, the protective rod 43 protects the upper and lower blades of the shearing plate from the outside world, preventing the operator's body from accidentally entering the operating space. At the same time, the infrared transmitter 44 continuously emits infrared light, which is received by the receiver 45. If the infrared light is blocked, the buzzer 46 will be triggered to alarm, further improving the safety protection capability of the device. Example 2

[0033] Based on the above embodiment 1, please refer to the appendix. Figure 2 , Figure 6 , Figure 7 , Figure 8 The through hole 13 is slidably connected to and cooperates with the slide rod 131. One end of the slide rod 131 is penetrated by the limiting rod 132, and the other end is fixedly connected to one end of the baffle plate 133. A limiting plate 134 is provided below the through hole 13, and the limiting plate 134 is provided with a number of equidistant limiting holes 135.

[0034] The base 1 is provided with a fixing groove 5, and a vertically upward lower blade 51 is provided in the fixing groove 5. The lower blade 51 is fixed to the fixing groove 5 by screws 52. An upper blade 53 is installed above the lower blade 51 and is suspended in an alternating manner.

[0035] The upper blade 53 is welded to the bottom surface of the pressure foot 54. The top of the pressure foot 54 is fitted into the groove on the bottom surface of the hydraulic back plate 55. The bottom surface of the hydraulic back plate 55 is provided with a sliding groove 551. The sliding groove 551 is slidably connected and engaged with the hanging rods 552 at both ends of the hydraulic back plate 55.

[0036] A rangefinder transmitter 553 is provided inside the groove of the hydraulic back plate 55. The rangefinder transmitter 553 is located on the opposite side of the pressure foot 54. A miniature telescopic machine 554 is symmetrically installed on the slide 551. The miniature telescopic machine 554 is fixedly connected to one side of the pressure foot 54.

[0037] A number of hydraulic cylinders 6 are installed on the outer casing 11 of the mechanism. The bottom surface of the hydraulic cylinder 6 is provided with a hydraulic shaft 61, which is connected to a hydraulic back plate 55. The hydraulic cylinder 6 is connected to an oil tank 64 through a pressure regulating valve 62 and an oil pump 63. A motor 65 is installed on one side of the oil pump 63.

[0038] An electrical box 111 and a control box 112 are installed on the outside of the outer casing 11 of the mechanism. The control box 112 is equipped with a display screen 113. Several motor control buttons 114 are provided below the display screen 113. The screw rod 33 is equipped with two limit plates 331. The limit plates 331 are equipped with a fixing plate 332 that is penetrated by the screw rod 33. The fixing plate 332 is installed on the feed plate 2.

[0039] In this embodiment, the sheet material stops when it touches the front stop plate 133 as it moves forward. The stop plate 133 can slide in the through hole 13 using the slide rods 131 at both ends and is fixed by the limiting rod 132 inserted into the limiting hole 135 of the slide rod 131 and the limiting plate 134. A visible scale can be provided on one side of the limiting hole 135 to display the length of the sheet material being cut, so as to realize the controllability of the shearing distance of the sheet material and improve the flexibility of the shearing mechanism. After the sheet material is fixed, the micro telescopic machine 554 can be started by the motor control button 114 on the control box 112, which drives the pressure foot 54 to slide in the slide groove 551 of the hydraulic back plate 55 using the hanging rod 552, thereby driving the upper blade 53 to move, so that the upper blade 53 and the lower blade can move together. The offset distance between the upper and lower blades is adjustable. The ranging transmitter 553 can emit electromagnetic waves to the pressing foot 54 to detect its movement distance in real time, thereby knowing the offset distance between the upper blade 53 and the lower blade, and feeding it back to the display screen 113 for the operator's reference. According to the different materials and thicknesses, the gap can be adjusted appropriately to ensure the cross-sectional quality and workpiece dimensional accuracy. After the adjustment is completed, the motor 65 is started to drive the oil pump 63 to output pressurized oil from the oil tank 64, and the pressure is controlled by the pressure regulating valve 62 to drive the hydraulic shaft 61 to lift and lower to achieve hydraulic transmission. Then, the hydraulic back plate 55 is used to drive the upper blade 53 to descend and cooperate with the lower blade 51 to achieve the shearing operation. The cut plate slides down from the unloading ramp 12 for collection.

[0040] The working principle and usage process of this utility model are as follows: First, the plate is placed on the rotating wheel 23 between the clamping plates 31 of the spacing adjustment component 3. The plate is pushed, and the plate drives the rotating wheel 142 to rotate in the bushing 22 using the rotating shaft 141, which makes the plate easier to push and reduces the labor intensity of the workers.

[0041] The sheet material is then pushed onto the support wheel 142, which is at the same height as the two rotating wheels 142, forming a three-point support rolling structure. This eliminates the gap between the support surfaces, ensuring the shearing quality. The sheet material continues to move forward until it touches the front stop plate 133 and stops. The stop plate 133 can slide in the through hole 13 using the slide rods 131 at both ends and is fixed by the limiting rods 132 inserted into the limiting holes 135 of the slide rods 131 and the limiting plate 134. A visible scale can be provided on one side of the limiting hole 135 to display the length of the sheet material being cut, thereby making the shearing distance of the sheet material controllable and improving the flexibility of the shearing mechanism.

[0042] Then, turning the crank handle 34 drives the spiral rod 33 to rotate on the fixed plate 332. The spiral rod 33 interacts with the clamping plate 31, and the spiral force causes the upper and lower clamping plates 31 to slide on the limiting shaft 32 and move closer to each other, forming a clamp on the plate, making the plate more stable when being cut. The manual adjustment method can adapt to plates of different thicknesses, and the clamping effect is better. After the plate is fixed, the micro telescopic machine 554 can be started by the motor control button 114 on the control box 112, which drives the pressure foot 54 to slide in the slide groove 551 of the hydraulic back plate 55 using the hanging rod 552, thereby driving the upper blade 53 to move, realizing the adjustable offset distance between the upper blade 53 and the lower blade 51. The distance measuring transmitter 553 can emit electromagnetic waves to the pressure foot 54 to detect its movement distance in real time, thereby knowing the offset distance between the upper blade 53 and the lower blade, and feeding back to the display screen 113 for the operator's reference. According to the different materials and thicknesses, the gap can be adjusted appropriately to ensure the cross-sectional quality and workpiece dimensional accuracy.

[0043] After adjustment, the motor 65 is started to drive the oil pump 63 to output pressurized oil from the oil tank 64. The pressurized oil is then controlled by the pressure regulating valve 62 to drive the hydraulic shaft 61 to rise and fall, thereby achieving hydraulic transmission. Finally, the hydraulic back plate 55 drives the upper blade 53 to fall and cooperate with the lower blade 51 to achieve the shearing operation. The cut plate slides down the unloading ramp 12 for collection. When the device is performing the shearing operation, the guard rod 43 isolates the upper and lower blades of the shearing plate from the outside environment to prevent the operator's body from accidentally entering the operating space. At the same time, the infrared transmitter 44 continuously emits infrared light, which is received by the receiver 45. If the infrared light is blocked, the buzzer 46 will be triggered to alarm, further improving the safety protection capability of the device and making it highly practical.

Claims

1. A shearing mechanism for a protective shearing machine, comprising a base (1) and a feed plate (2) fixedly connected to one side of the base (1), characterized in that, It also includes a mechanism housing (11) connected to the top surface of the base (1), a spacing adjustment assembly (3) mounted above the feed plate (2), and a safety protection assembly (4) mounted on the mechanism housing (11), wherein: The base (1) has an inclined material feeding ramp (12) on its top surface, and rectangular through holes (13) are symmetrically provided on both sides of the material feeding ramp (12). The spacing adjustment component (3) includes clamping plates (31) installed symmetrically on the top and bottom. Both ends of the clamping plates (31) are symmetrically arranged limiting shafts (32) that pass through them. The limiting shafts (32) are connected to the feed plate (2). One end of the clamping plate (31) is passed through by a spiral rod (33) and spirally connected to it. The bottom end of the spiral rod (33) is connected to a crank handle (34). The safety protection component (4) includes an extension plate (41) connected to the outer shell (11) of the mechanism. Protective side plates (42) are symmetrically connected at both ends of the extension plate (41). Several protective rods (43) are connected between the protective side plates (42). An infrared transmitter (44) is provided on one of the protective side plates (42), and a receiver (45) is symmetrically provided on the other protective side plate (42). A buzzer (46) is provided on the base (1).

2. The shearing mechanism of a protective shearing machine according to claim 1, characterized in that: The base (1) has a groove (14) on its top surface. The groove (14) is fitted to both ends of the rotating shaft (141). A support wheel (142) is installed on the rotating shaft (141). Four square plates (21) are symmetrically installed on the feed plate (2). A bushing (22) is provided on the square plate (21). The bushing (22) is fitted to both ends of the rotating shaft (141). A rotating wheel (23) is provided on the rotating shaft (141). The rotating wheel (23) is at the same height as the support wheel (142).

3. The shearing mechanism of a protective shearing machine according to claim 2, characterized in that: The through hole (13) is slidably connected to and cooperates with the slide rod (131). One end of the slide rod (131) is penetrated by the limiting rod (132), and the other end is fixedly connected to one end of the baffle plate (133). A limiting plate (134) is provided below the through hole (13), and the limiting plate (134) is provided with a plurality of equidistant limiting holes (135).

4. The shearing mechanism of a protective shearing machine according to claim 3, characterized in that: The base (1) is provided with a fixing groove (5), and a vertically upward lower blade (51) is provided in the fixing groove (5). The lower blade (51) is fixed to the fixing groove (5) by screws (52). An upper blade (53) is installed above the lower blade (51) and is suspended in an alternating manner.

5. The shearing mechanism of a protective shearing machine according to claim 4, characterized in that: The upper blade (53) is welded to the bottom surface of the pressure foot (54), and the top of the pressure foot (54) is fitted into the groove on the bottom surface of the hydraulic back plate (55). The bottom surface of the hydraulic back plate (55) is provided with a sliding groove (551), and the sliding groove (551) is slidably connected and cooperates with the hanging rods (552) at both ends of the hydraulic back plate (55).

6. The shearing mechanism of a protective shearing machine according to claim 5, characterized in that: The hydraulic backplate (55) has a range transmitter (553) inside the groove. The range transmitter (553) is located on the opposite side of the pressure foot (54). The slide groove (551) is symmetrically equipped with a miniature telescopic machine (554). The miniature telescopic machine (554) is fixedly connected to one side of the pressure foot (54).

7. The shearing mechanism of a protective shearing machine according to claim 1, characterized in that: The outer shell (11) of the mechanism is equipped with a plurality of hydraulic cylinders (6), the bottom surface of the hydraulic cylinder (6) is provided with a hydraulic shaft (61), the hydraulic shaft (61) is connected to a hydraulic back plate (55), the hydraulic cylinder (6) is connected to an oil tank (64) through a pressure regulating valve (62) and an oil pump (63), and a motor (65) is installed on one side of the oil pump (63).

8. The shearing mechanism of a protective shearing machine according to claim 7, characterized in that: An electrical box (111) and a control box (112) are installed on the outside of the outer shell (11) of the mechanism. The control box (112) is equipped with a display screen (113). Several motor control buttons (114) are provided below the display screen (113). The screw rod (33) is equipped with two limit plates (331). The limit plates (331) are equipped with a fixing plate (332) that is penetrated by the screw rod (33). The fixing plate (332) is installed on the feed plate (2).

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