Hydraulic system of automatic guide rail adjusting and compensating device of broken line type multi-cutter shearing machine and control method

Abstract

The invention provides a hydraulic system of a broken line type multi-cutter shearing machine guide rail automatic adjusting and compensating device and a control method. An adjusting base double-output-shaft double-acting oil cylinder is hinged to an adjusting base through a bolt. A movable guide rail double-output-shaft double-acting oil cylinder is hinged to the movable guide rail through a bolt. A fixed seat double-output-shaft double-acting oil cylinder is hinged to the fixed seat through a bolt; the adjusting seat double-output-shaft double-acting oil cylinder, the movable guide rail double-output-shaft double-acting oil cylinder and the fixed seat double-output-shaft double-acting oil cylinder are respectively connected with an energy accumulator and a control valve group; a pressure sensor is mounted on the energy accumulator and the control valve group; the adjusting base double-output-shaft double-acting oil cylinder, the movable guide rail double-output-shaft double-acting oil cylinder and the fixed base double-output-shaft double-acting oil cylinder are connected with the two-way hydraulic control one-way valve set and the reversing control valve set respectively. Through interaction of all hydraulic elements, the adjusting oil cylinder is driven to conduct compensation adjustment on the guide rail gap in real time.

Description

Technical Field

[0001] The invention relates to the field of scrap steel shearing equipment, in particular to a hydraulic system and a control method for an automatic guide rail adjustment and compensation device of a folding line multi-blade shearing machine. Background Art

[0002] At present, all existing equipment is fixed and adjusted by fasteners. The purpose of equipment clearance adjustment has been achieved by manually adjusting the tightness of the screws in the components. As a result, the guide rail clearance is greatly affected by human factors, which further affects the service life of the equipment and increases the risk of premature scrapping of the equipment. With the advancement of science and technology, users have higher and higher requirements for equipment automation. The original guide rail clearance adjustment method is in a relatively backward state. The market now urgently needs a device and method that can automatically compensate for the guide rail clearance. The structure of the machine also requires a complete set of hydraulic control to achieve. Summary of the invention

[0003] The purpose of the present invention is to provide a hydraulic system and control method for an automatic adjustment and compensation device for the guide rails of a folding-line multi-blade shearing machine in response to the above-mentioned problems. Through the interaction of the hydraulic components in the invention, the adjustment cylinder can be driven to perform real-time compensation adjustment on the guide rail gap, thereby ensuring that the equipment is always in a relatively ideal working state, extending the service life of the equipment and increasing the equipment efficiency.

[0004] In order to realize the above technical features, the object of the present invention is achieved as follows: the hydraulic system of the automatic adjustment and compensation device for the guide rail of the folding line multi-blade shearing machine includes an adjustment seat, and the adjustment seat is hinged with an adjustment seat double-outlet shaft double-acting cylinder through bolts; It also includes a movable guide rail, on which a movable guide rail double-output shaft double-acting oil cylinder is hingedly connected by bolts; It also includes a fixed seat, on which a fixed seat double-outlet shaft double-acting oil cylinder is hingedly connected by bolts; The adjusting seat double-outlet shaft double-acting oil cylinder, the movable guide rail double-outlet shaft double-acting oil cylinder and the fixed seat double-outlet shaft double-acting oil cylinder are respectively connected to the accumulator and the control valve group; the accumulator and the control valve group are equipped with a pressure sensor; The adjusting seat double-outlet shaft double-acting oil cylinder, the movable guide rail double-outlet shaft double-acting oil cylinder and the fixed seat double-outlet shaft double-acting oil cylinder are respectively connected to the two-way hydraulically controlled one-way valve group and the reversing control valve group.

[0005] Preferably, the adjustment seat includes a left adjustment seat and a right adjustment seat.

[0006] Preferably, the adjustment seat double-outlet shaft double-acting oil cylinder comprises a first adjustment seat double-outlet shaft double-acting oil cylinder, a second adjustment seat double-outlet shaft double-acting oil cylinder, a third adjustment seat double-outlet shaft double-acting oil cylinder, a fourth adjustment seat double-outlet shaft double-acting oil cylinder, a fifth adjustment seat double-outlet shaft double-acting oil cylinder, a sixth adjustment seat double-outlet shaft double-acting oil cylinder, a seventh adjustment seat double-outlet shaft double-acting oil cylinder and an eighth adjustment seat double-outlet shaft double-acting oil cylinder; The first adjustment seat double-outlet shaft double-acting oil cylinder, the second adjustment seat double-outlet shaft double-acting oil cylinder, the third adjustment seat double-outlet shaft double-acting oil cylinder and the fourth adjustment seat double-outlet shaft double-acting oil cylinder are hinged on the left adjustment seat; The fifth adjusting seat double-outlet shaft double-acting oil cylinder, the sixth adjusting seat double-outlet shaft double-acting oil cylinder, the seventh adjusting seat double-outlet shaft double-acting oil cylinder and the eighth adjusting seat double-outlet shaft double-acting oil cylinder are hinged on the right adjusting seat.

[0007] Preferably, the accumulator and control valve group includes a first accumulator and control valve group, a second accumulator and control valve group, a third accumulator and control valve group, and a fourth accumulator and control valve group; The pressure sensor includes a first pressure sensor, a second pressure sensor, a third pressure sensor and a fourth pressure sensor; The first pressure sensor is installed in the circuit where the first accumulator and the control valve group are located; The second pressure sensor is installed in the circuit where the second accumulator and the control valve group are located; The third pressure sensor is installed in the circuit where the third accumulator and the control valve group are located; The fourth pressure sensor is installed in the circuit where the fourth accumulator and the control valve group are located; The two-way hydraulically controlled one-way valve group includes a first two-way hydraulically controlled one-way valve group and a second two-way hydraulically controlled one-way valve group; The reversing control valve group includes a first reversing control valve group and a second reversing control valve group; After the first reversing control valve group is connected to the first bidirectional hydraulically controlled one-way valve group and after the second reversing control valve group is connected to the second bidirectional hydraulically controlled one-way valve group, they are simultaneously connected to the adjustment seat double-output shaft double-acting cylinder.

[0008] Preferably, the movable guide rail comprises a left movable guide rail and a right movable guide rail; The movable guide rail double-outlet shaft double-acting oil cylinder comprises a first movable guide rail double-outlet shaft double-acting oil cylinder, a second movable guide rail double-outlet shaft double-acting oil cylinder, a third movable guide rail double-outlet shaft double-acting oil cylinder, a fourth movable guide rail double-outlet shaft double-acting oil cylinder, a fifth movable guide rail double-outlet shaft double-acting oil cylinder, a sixth movable guide rail double-outlet shaft double-acting oil cylinder, a seventh movable guide rail double-outlet shaft double-acting oil cylinder, and an eighth movable guide rail double-outlet shaft double-acting oil cylinder; The first movable guide rail double-outlet shaft double-acting oil cylinder, the second movable guide rail double-outlet shaft double-acting oil cylinder, the third movable guide rail double-outlet shaft double-acting oil cylinder and the fourth movable guide rail double-outlet shaft double-acting oil cylinder are hinged on the left movable guide rail; The fifth movable guide rail double-outlet shaft double-acting oil cylinder, the sixth movable guide rail double-outlet shaft double-acting oil cylinder, the seventh movable guide rail double-outlet shaft double-acting oil cylinder and the eighth movable guide rail double-outlet shaft double-acting oil cylinder are hinged on the right movable guide rail.

[0009] Preferably, the accumulator and control valve group further includes a fifth accumulator and control valve group, a sixth accumulator and control valve group, a seventh accumulator and control valve group and an eighth accumulator and control valve group correspondingly connected to the movable guide rail double-output shaft double-acting oil cylinder; The pressure sensor also includes a fifth pressure sensor, a sixth pressure sensor, a seventh pressure sensor and an eighth pressure sensor which are connected to the fifth accumulator and control valve group, the sixth accumulator and control valve group, the seventh accumulator and control valve group and the eighth accumulator and control valve group respectively.

[0010] Preferably, the bidirectional hydraulically controlled one-way valve group further includes a third bidirectional hydraulically controlled one-way valve group and a fourth bidirectional hydraulically controlled one-way valve group; the reversing control valve group further includes a third reversing control valve group and a fourth reversing control valve group correspondingly connected to the third bidirectional hydraulically controlled one-way valve group and the fourth bidirectional hydraulically controlled one-way valve group; After the third reversing control valve group and the third bidirectional hydraulically controlled one-way valve group are connected, and after the fourth reversing control valve group and the fourth bidirectional hydraulically controlled one-way valve group are connected, they are simultaneously connected to the movable guide rail double-output shaft double-acting cylinder.

[0011] Preferably, the fixing seat comprises a first fixing seat and a second fixing seat; The fixed seat double-outlet shaft double-acting oil cylinder comprises a first fixed seat double-outlet shaft double-acting oil cylinder, a second fixed seat double-outlet shaft double-acting oil cylinder, a third fixed seat double-outlet shaft double-acting oil cylinder, a fourth fixed seat double-outlet shaft double-acting oil cylinder, a fifth fixed seat double-outlet shaft double-acting oil cylinder, a sixth fixed seat double-outlet shaft double-acting oil cylinder, a seventh fixed seat double-outlet shaft double-acting oil cylinder, and an eighth fixed seat double-outlet shaft double-acting oil cylinder; The first fixed seat double-outlet shaft double-acting oil cylinder, the second fixed seat double-outlet shaft double-acting oil cylinder, the third fixed seat double-outlet shaft double-acting oil cylinder and the fourth fixed seat double-outlet shaft double-acting oil cylinder are hinged on the first fixed seat; The fifth fixed seat double-outlet shaft double-acting oil cylinder, the sixth fixed seat double-outlet shaft double-acting oil cylinder, the seventh fixed seat double-outlet shaft double-acting oil cylinder and the eighth fixed seat double-outlet shaft double-acting oil cylinder are hinged on the second fixed seat.

[0012] Preferably, the accumulator and control valve group further includes a ninth accumulator and control valve group, a tenth accumulator and control valve group, an eleventh accumulator and control valve group, and a twelfth accumulator and control valve group correspondingly connected to the fixed seat double-output shaft double-acting oil cylinder; The pressure sensor also includes a ninth pressure sensor, a tenth pressure sensor, an eleventh pressure sensor and a twelfth pressure sensor connected to the ninth accumulator and control valve group, the tenth accumulator and control valve group, the eleventh accumulator and control valve group and the twelfth accumulator and control valve group respectively; The bidirectional hydraulically controlled one-way valve group further includes a fifth bidirectional hydraulically controlled one-way valve group and a sixth bidirectional hydraulically controlled one-way valve group; the reversing control valve group further includes a fifth reversing control valve group and a sixth reversing control valve group correspondingly connected to the fifth bidirectional hydraulically controlled one-way valve group and the sixth bidirectional hydraulically controlled one-way valve group; After the fifth reversing control valve group and the fifth bidirectional hydraulically controlled one-way valve group are connected, and after the sixth reversing control valve group and the sixth bidirectional hydraulically controlled one-way valve group are connected, they are simultaneously connected to the fixed seat double-output shaft double-acting cylinder.

[0013] Control method of hydraulic system of automatic adjustment and compensation device for guide rails of folding multi-blade shearing machine: The double-acting oil cylinders with double shafts are installed in an even number on the adjusting seat, and the same side has not only a tensioning effect, but also a pushing effect; the first two-way hydraulically controlled one-way valve group, the second two-way hydraulically controlled one-way valve group, the first reversing control valve group, and the second reversing control valve group are controlled in coordination, thereby realizing the working state of the double-acting oil cylinders with double shafts of the adjusting seat being purely tensioned or purely pushed out, or a balanced state of tensioning and pushing out acting at the same time; The adjusting seat moves in contact with the fixed seat under the action of the double-acting oil cylinder with double shafts of the adjusting seat, and forms a gap with the movable guide rail; The fixed seat double-outlet shaft double-acting oil cylinder is installed in an even number on the fixed seat, and the same side has not only a tensioning effect, but also a pushing effect; the coordinated control of the fifth two-way hydraulically controlled one-way valve group, the sixth two-way hydraulically controlled one-way valve group, the fifth reversing control valve group, and the sixth reversing control valve group can realize the working state of the fixed seat double-outlet shaft double-acting oil cylinder for the movable guide rail in the vertical direction of pure tension or pure pushing, or a balanced state of tension and pushing at the same time; After the position of the adjustment seat changes, a gap is formed with the fitting surface of the movable guide rail. Under the action of the double-axis double-acting oil cylinder of the fixed seat, the contact gap between the movable guide rail and the guide rail surface of the scissor slide is adjusted to achieve the purpose of adjusting the guide rail gap of the folding line high-efficiency multi-blade shearing machine; The pressure sensor monitors the pressure status of each control cylinder. Through program control, when the pressure is lower than the monitored pressure value, each accumulator and control valve group will be activated to replenish it in time to ensure that each control cylinder is in a relatively balanced state.

[0014] The present invention has the following beneficial effects: 1. The present invention controls the connection of multiple valve groups, and controls the double-axis double-acting oil cylinder to promote the position change between the fixed seat, the adjustment seat, and the movable guide rail, so as to achieve the automatic adjustment and compensation effect of the shearing machine guide rail. Two sets of oil circuits are used to respectively control the stretching and pressing of the same component, effectively ensuring the balance state of the same component during the adjustment and control process; the coordinated use of the pressure sensor, the accumulator and the control valve group makes the control process stable, and at the same time establishes an excellent pressure-maintaining effect, resulting in obvious automatic adjustment and gap compensation effects of the shearing machine guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] FIG. 1 is a schematic diagram of a hydraulic system and an auxiliary return system of an automatic guide rail adjustment and compensation device for a folding line multi-blade shearing machine according to the present invention.

[0017] FIG. 2 is a block diagram of the present invention. Figure 1 System diagram of the location of the middle adjustment seat and the adjustment seat double-outlet shaft double-acting cylinder.

[0018] FIG. 3 is a block diagram of the present invention. Figure 1 System diagram of the location of the movable guide rail and the movable guide rail double-out shaft double-acting cylinder.

[0019] FIG. 4 is a block diagram of the present invention. Figure 1 System diagram of the location of the middle fixed seat and the fixed seat double-outlet shaft double-acting cylinder. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0021] Embodiment 1: See also Figure 1-4 The hydraulic system of the automatic adjustment and compensation device of the guide rail of the folding line multi-blade shearing machine includes an adjustment seat 8, on which an adjustment seat double-outlet shaft double-acting oil cylinder 1 is hinged by bolts; it also includes a movable guide rail 9, on which a movable guide rail double-outlet shaft double-acting oil cylinder 4 is hinged by bolts; it also includes a fixed seat 10, on which a fixed seat double-outlet shaft double-acting oil cylinder 7 is hinged by bolts; the adjustment seat double-outlet shaft double-acting oil cylinder 1, the movable guide rail double-outlet shaft double-acting oil cylinder 4 and the fixed seat double-outlet shaft double-acting oil cylinder 7 are respectively connected to the accumulator and the control valve group 2; the accumulator and the control valve group 2 are installed with a pressure sensor 3; the adjustment seat double-outlet shaft double-acting oil cylinder 1, the movable guide rail double-outlet shaft double-acting oil cylinder 4 and the fixed seat double-outlet shaft double-acting oil cylinder 7 are respectively connected to the two-way hydraulically controlled one-way valve group 5 and the reversing control valve group 6.

[0022] Furthermore, the adjustment seat 8 includes a left adjustment seat 8-1 and a right adjustment seat 8-2. The adjustment seat double-outlet shaft double-acting oil cylinder 1 includes a first adjustment seat double-outlet shaft double-acting oil cylinder 1-1, a second adjustment seat double-outlet shaft double-acting oil cylinder 1-2, a third adjustment seat double-outlet shaft double-acting oil cylinder 1-3, a fourth adjustment seat double-outlet shaft double-acting oil cylinder 1-4, a fifth adjustment seat double-outlet shaft double-acting oil cylinder 1-5, a sixth adjustment seat double-outlet shaft double-acting oil cylinder 1-6, a seventh adjustment seat double-outlet shaft double-acting oil cylinder 1-7 and an eighth adjustment seat double-outlet shaft double-acting oil cylinder 1-8; the first adjustment seat double-outlet shaft double-acting oil cylinder 1-1, a second adjustment seat double-outlet shaft double-acting oil cylinder 1-2, a third adjustment seat double-outlet shaft double-acting oil cylinder 1-3, a fourth adjustment seat double-outlet shaft double-acting oil cylinder 1-4, a fifth adjustment seat double-outlet shaft double-acting oil cylinder 1-5, a sixth adjustment seat double-outlet shaft double-acting oil cylinder 1-6, a seventh adjustment seat double-outlet shaft double-acting oil cylinder 1-7 and an eighth adjustment seat double-outlet shaft double-acting oil cylinder 1-8; The whole double-axle double-acting oil cylinder 1-1, the second adjustment seat double-axle double-acting oil cylinder 1-2, the third adjustment seat double-axle double-acting oil cylinder 1-3 and the fourth adjustment seat double-axle double-acting oil cylinder 1-4 are hinged on the left adjustment seat 8-1; the fifth adjustment seat double-axle double-acting oil cylinder 1-5, the sixth adjustment seat double-axle double-acting oil cylinder 1-6, the seventh adjustment seat double-axle double-acting oil cylinder 1-7 and the eighth adjustment seat double-axle double-acting oil cylinder 1-8 are hinged on the right adjustment seat 8-2. Through the above Further, the accumulator and control valve group 2 includes a first accumulator and control valve group 2-1, a second accumulator and control valve group 2-2, a third accumulator and control valve group 2-3 and a fourth accumulator and control valve group 2-4; the pressure sensor 3 includes a first pressure sensor 3-1, a second pressure sensor 3-2, a third pressure sensor 3-3 and a fourth pressure sensor 3-4; the first pressure sensor 3-1 is installed in the circuit where the first accumulator and control valve group 2-1 is located; the second pressure sensor 3-2 is installed in the circuit where the second accumulator and control valve group 2-2 is located; the third pressure sensor 3-3 is installed in the circuit where the first accumulator and control valve group 2-1 is located; The circuit where the three accumulators and the control valve group 2-3 are located; the fourth pressure sensor 3-4 is installed in the circuit where the fourth accumulator and the control valve group 2-4 are located; the two-way hydraulically controlled one-way valve group 5 includes the first two-way hydraulically controlled one-way valve group 5-1 and the second two-way hydraulically controlled one-way valve group 5-2; the reversing control valve group 6 includes the first reversing control valve group 6-1 and the second reversing control valve group 6-2; after the first reversing control valve group 6-1 and the first two-way hydraulically controlled one-way valve group 5-1 are connected and after the second reversing control valve group 6-2 and the second two-way hydraulically controlled one-way valve group 5-2 are connected, they are simultaneously connected to the adjustment seat double-output shaft double-acting cylinder 1.

[0023] Further, the movable guide rail 9 includes a left movable guide rail 9-1 and a right movable guide rail 9-2; the movable guide rail double-outlet shaft double-acting oil cylinder 4 includes a first movable guide rail double-outlet shaft double-acting oil cylinder 4-1, a second movable guide rail double-outlet shaft double-acting oil cylinder 4-2, a third movable guide rail double-outlet shaft double-acting oil cylinder 4-3, a fourth movable guide rail double-outlet shaft double-acting oil cylinder 4-4, a fifth movable guide rail double-outlet shaft double-acting oil cylinder 4-5, a sixth movable guide rail double-outlet shaft double-acting oil cylinder 4-6, a seventh movable guide rail double-outlet shaft double-acting oil cylinder 4-7, and an eighth movable guide rail double-outlet shaft double-acting oil cylinder 4-8. Double-outlet shaft double-acting cylinder 4-8; the first movable guide rail double-outlet shaft double-acting cylinder 4-1, the second movable guide rail double-outlet shaft double-acting cylinder 4-2, the third movable guide rail double-outlet shaft double-acting cylinder 4-3 and the fourth movable guide rail double-outlet shaft double-acting cylinder 4-4 are hinged on the left movable guide rail 9-1; the fifth movable guide rail double-outlet shaft double-acting cylinder 4-5, the sixth movable guide rail double-outlet shaft double-acting cylinder 4-6, the seventh movable guide rail double-outlet shaft double-acting cylinder 4-7 and the eighth movable guide rail double-outlet shaft double-acting cylinder 4-8 are hinged on the right movable guide rail 9-2.

[0024] Furthermore, the accumulator and control valve group 2 also includes a fifth accumulator and control valve group 2-5, a sixth accumulator and control valve group 2-6, a seventh accumulator and control valve group 2-7 and an eighth accumulator and control valve group 2-8 correspondingly connected to the movable guide rail double-output shaft double-acting cylinder 4; the pressure sensor 3 also includes a fifth pressure sensor 3-6, a sixth pressure sensor 3-7, a seventh pressure sensor 3-8 and an eighth pressure sensor 3-9 correspondingly connected to the fifth accumulator and control valve group 2-5, the sixth accumulator and control valve group 2-6, the seventh accumulator and control valve group 2-7 and the eighth accumulator and control valve group 2-8.

[0025] Furthermore, the two-way hydraulically controlled one-way valve group 5 also includes a third two-way hydraulically controlled one-way valve group 5-3 and a fourth two-way hydraulically controlled one-way valve group 5-4; the reversing control valve group 6 also includes a third reversing control valve group 6-3 and a fourth reversing control valve group 6-4 correspondingly connected to the third two-way hydraulically controlled one-way valve group 5-3 and the fourth two-way hydraulically controlled one-way valve group 5-4; after the third reversing control valve group 6-3 is connected to the third two-way hydraulically controlled one-way valve group 5-3 and the fourth two-way hydraulically controlled one-way valve group 5-4 is connected, they are simultaneously connected to the movable guide rail double-output shaft double-acting cylinder 4.

[0026] Further, the fixed seat 10 includes a first fixed seat 10-1 and a second fixed seat 10-2; the fixed seat double-outlet shaft double-acting oil cylinder 7 includes a first fixed seat double-outlet shaft double-acting oil cylinder 7-1, a second fixed seat double-outlet shaft double-acting oil cylinder 7-2, a third fixed seat double-outlet shaft double-acting oil cylinder 7-3, a fourth fixed seat double-outlet shaft double-acting oil cylinder 7-4, a fifth fixed seat double-outlet shaft double-acting oil cylinder 7-5, a sixth fixed seat double-outlet shaft double-acting oil cylinder 7-6, a seventh fixed seat double-outlet shaft double-acting oil cylinder 7-7, an eighth fixed seat double-outlet shaft double-acting oil cylinder 7-8, a fifth fixed seat double-outlet shaft double-acting oil cylinder 7-9, a sixth fixed seat double-outlet shaft double-acting oil cylinder 7-10, a second fixed seat double-outlet shaft double-acting oil cylinder 7-2, a third fixed seat double-outlet shaft double-acting oil cylinder 7-3, a fourth fixed seat double-outlet shaft double-acting oil cylinder 7-4, a fifth fixed seat double-outlet shaft double-acting oil cylinder 7-5, a sixth fixed seat double-outlet shaft double-acting oil cylinder 7-6, a seventh fixed seat double-outlet shaft double-acting oil cylinder 7-7, and a eighth fixed seat double-outlet shaft double-acting oil cylinder 7-8. axis double-acting cylinder 7-8; the first fixed seat double-output shaft double-acting cylinder 7-1, the second fixed seat double-output shaft double-acting cylinder 7-2, the third fixed seat double-output shaft double-acting cylinder 7-3 and the fourth fixed seat double-output shaft double-acting cylinder 7-4 are hinged on the first fixed seat 10-1; the fifth fixed seat double-output shaft double-acting cylinder 7-5, the sixth fixed seat double-output shaft double-acting cylinder 7-6, the seventh fixed seat double-output shaft double-acting cylinder 7-7 and the eighth fixed seat double-output shaft double-acting cylinder 7-8 are hinged on the second fixed seat 10-2.

[0027] Further, the accumulator and control valve group 2 also includes a ninth accumulator and control valve group 2-9, a tenth accumulator and control valve group 2-10, an eleventh accumulator and control valve group 2-11 and a twelfth accumulator and control valve group 2-12 correspondingly connected to the fixed seat double-outlet shaft double-acting cylinder 7; the pressure sensor 3 also includes a ninth pressure sensor 3-9, a tenth pressure sensor 3-10, an eleventh pressure sensor 3-11 and a twelfth accumulator and control valve group 2-12 correspondingly connected to the ninth accumulator and control valve group 2-9, the tenth accumulator and control valve group 2-10, the eleventh accumulator and control valve group 2-11 and the twelfth accumulator and control valve group 2-12 -11 and the twelfth pressure sensor 3-12; the bidirectional hydraulically controlled one-way valve group 5 also includes a fifth bidirectional hydraulically controlled one-way valve group 5-5 and a sixth bidirectional hydraulically controlled one-way valve group 5-6; the reversing control valve group 6 also includes a fifth reversing control valve group 6-5 and a sixth reversing control valve group 6-6 which are connected to the fifth bidirectional hydraulically controlled one-way valve group 5-5 and the sixth bidirectional hydraulically controlled one-way valve group 5-6 respectively; after the fifth reversing control valve group 6-5 is connected to the fifth bidirectional hydraulically controlled one-way valve group 5-5 and the sixth bidirectional hydraulically controlled one-way valve group 5-6 is connected, they are simultaneously connected to the fixed seat double-output shaft double-acting cylinder 7.

[0028] Working principle of the present invention: In summary, the present invention uses the above-mentioned hydraulic system, wherein the adjusting seat double-outlet shaft double-acting oil cylinder 1 is hinged to the connecting bolt and then connected to the adjusting seat 8, and is connected to the accumulator and the control valve group 2-1, 2-2, 2-3, 2-4, the pressure sensor 3-1, 3-2, 3-3, 3-4, the two-way hydraulic control one-way valve group 5-1, 5-2, and the reversing control valve group 6-1, 6-2 through the A and B ports of the adjusting seat double-outlet shaft double-acting oil cylinder 1 to form a closed-loop control circuit; the movable guide rail double-outlet shaft double-acting oil cylinder 4 is hinged to the connecting bolt and then connected to the movable guide rail 9, and is connected to the accumulator and the control valve group 2-5, 2-2 through the A and B ports of the movable guide rail double-outlet shaft double-acting oil cylinder 4 -6, 2-7, 2-8, pressure sensors 3-5, 3-6, 3-7, 3-8, bidirectional hydraulic control one-way valve group 5-3, 5-4, reversing control valve group 6-4, 6-3 are connected to form a closed-loop control circuit; the fixed seat double-shaft double-acting oil cylinder 7 is hinged to the connecting bolt and then connected to the fixed seat 10, and is connected to the accumulator and control valve group 2-9, 2-10, 2-11, 2-12, pressure sensors 3-9, 3-10, 3-11, 3-12, bidirectional hydraulic control one-way valve group 5-5, 5-6, reversing control valve group 6-5, 6-6 through the A and B ports of the fixed seat double-shaft double-acting oil cylinder 7 to form a closed-loop control circuit. Through the mutual adjustment and control of the three loops, the synchronous control of the left and right adjustment seats 8, the movable guide rail 9 and the fixed seat 10 is realized, and the guide rail gap is evenly adjusted.

[0029] Embodiment 2: Control method of hydraulic system of automatic adjustment and compensation device for guide rails of folding multi-blade shearing machine: The adjusting seat double-outlet shaft double-acting cylinder 1 is installed in an even number on the adjusting seat 8, and the same side has not only a tensioning effect, but also a pushing effect; the first two-way hydraulically controlled one-way valve group 5-1, the second two-way hydraulically controlled one-way valve group 5-2, the first reversing control valve group 6-1, and the second reversing control valve group 6-2 are controlled in coordination, thereby realizing the working state of pure tensioning or pure pushing of the adjusting seat double-outlet shaft double-acting cylinder 1, or a balanced state of tensioning and pushing at the same time.

[0030] Embodiment 3: The adjusting seat 8 moves in contact with the fixed seat 10 under the action of the double-acting oil cylinder 1 with double shafts of the adjusting seat, and forms a gap with the movable guide rail 9 below; Embodiment 4: The fixed seat double-outlet shaft double-acting oil cylinder 7 is installed in an even number on the fixed seat 10, and the same side has not only a tensioning effect, but also a pushing effect; the coordinated control of the fifth two-way hydraulically controlled one-way valve group 5-5, the sixth two-way hydraulically controlled one-way valve group 5-6, the fifth reversing control valve group 6-5, and the sixth reversing control valve group 6-6 can realize the working state of the fixed seat double-outlet shaft double-acting oil cylinder 7 on the movable guide rail 9 in the vertical direction, or the balanced state of tension and pushing at the same time; Embodiment 5: After the position of the adjustment seat 8 changes, a gap is formed with the fitting surface of the movable guide rail 9. Under the action of the fixed seat double-axis double-acting cylinder 7, the contact gap between the movable guide rail 9 and the guide surface of the scissor slide is adjusted to achieve the purpose of adjusting the guide gap of the folding line high-efficiency multi-blade shearing machine; Embodiment 6: The pressure sensor monitors the pressure status of each control cylinder. Through program control, when the pressure is lower than the monitored pressure value, each accumulator and control valve group will be activated to replenish it in time to ensure that each control cylinder is in a relatively balanced state.

Claims

1. The hydraulic system of the automatic adjustment and compensation device for the guide rails of the folding multi-blade shearing machine is characterized by: It comprises an adjustment seat (8), to which an adjustment seat double-outlet shaft double-acting oil cylinder (1) is hingedly connected via bolts; It also includes a movable guide rail (9), on which a movable guide rail double-outlet shaft double-acting oil cylinder (4) is hingedly connected via bolts; It also includes a fixed seat (10), to which a fixed seat double-outlet shaft double-acting oil cylinder (7) is hingedly connected via bolts; The adjusting seat double-shaft double-acting oil cylinder (1), the movable guide rail double-shaft double-acting oil cylinder (4) and the fixed seat double-shaft double-acting oil cylinder (7) are respectively connected to the accumulator and control valve group (2); a pressure sensor (3) is installed on the accumulator and control valve group (2); The adjusting seat double-outlet shaft double-acting oil cylinder (1), the movable guide rail double-outlet shaft double-acting oil cylinder (4) and the fixed seat double-outlet shaft double-acting oil cylinder (7) are respectively connected to a two-way hydraulically controlled one-way valve group (5) and a reversing control valve group (6).

2. The hydraulic system of the guide rail automatic adjustment and compensation device of the folding line multi-blade shearing machine according to claim 1 is characterized by: The adjustment seat (8) comprises a left adjustment seat (8-1) and a right adjustment seat (8-2).

3. The hydraulic system of the guide rail automatic adjustment and compensation device of the folding line multi-blade shearing machine according to claim 2 is characterized by: The adjusting seat double-outlet shaft double-acting oil cylinder (1) comprises a first adjusting seat double-outlet shaft double-acting oil cylinder (1-1), a second adjusting seat double-outlet shaft double-acting oil cylinder (1-2), a third adjusting seat double-outlet shaft double-acting oil cylinder (1-3), a fourth adjusting seat double-outlet shaft double-acting oil cylinder (1-4), a fifth adjusting seat double-outlet shaft double-acting oil cylinder (1-5), a sixth adjusting seat double-outlet shaft double-acting oil cylinder (1-6), a seventh adjusting seat double-outlet shaft double-acting oil cylinder (1-7) and an eighth adjusting seat double-outlet shaft double-acting oil cylinder (1-8); The first adjustment seat double-outlet shaft double-acting oil cylinder (1-1), the second adjustment seat double-outlet shaft double-acting oil cylinder (1-2), the third adjustment seat double-outlet shaft double-acting oil cylinder (1-3) and the fourth adjustment seat double-outlet shaft double-acting oil cylinder (1-4) are hinged on the left adjustment seat (8-1); The fifth adjustment seat double-outlet shaft double-acting oil cylinder (1-5), the sixth adjustment seat double-outlet shaft double-acting oil cylinder (1-6), the seventh adjustment seat double-outlet shaft double-acting oil cylinder (1-7) and the eighth adjustment seat double-outlet shaft double-acting oil cylinder (1-8) are hinged on the right adjustment seat (8-2).

4. The hydraulic system of the automatic guide rail adjustment and compensation device of the folding line multi-blade shearing machine according to claim 3 is characterized by: The accumulator and control valve group (2) comprises a first accumulator and control valve group (2-1), a second accumulator and control valve group (2-2), a third accumulator and control valve group (2-3) and a fourth accumulator and control valve group (2-4); The pressure sensor (3) comprises a first pressure sensor (3-1), a second pressure sensor (3-2), a third pressure sensor (3-3) and a fourth pressure sensor (3-4); The first pressure sensor (3-1) is installed in the circuit where the first accumulator and the control valve group (2-1) are located; The second pressure sensor (3-2) is installed in the circuit where the second accumulator and the control valve group (2-2) are located; The third pressure sensor (3-3) is installed in the circuit where the third accumulator and the control valve group (2-3) are located; The fourth pressure sensor (3-4) is installed in the circuit where the fourth accumulator and the control valve group (2-4) are located; The bidirectional hydraulically controlled one-way valve group (5) comprises a first bidirectional hydraulically controlled one-way valve group (5-1) and a second bidirectional hydraulically controlled one-way valve group (5-2); The reversing control valve group (6) comprises a first reversing control valve group (6-1) and a second reversing control valve group (6-2); After the first reversing control valve group (6-1) is connected to the first bidirectional hydraulically controlled one-way valve group (5-1), and after the second reversing control valve group (6-2) is connected to the second bidirectional hydraulically controlled one-way valve group (5-2), they are simultaneously connected to the adjustment seat double-output shaft double-acting oil cylinder (1).

5. The hydraulic system of the guide rail automatic adjustment and compensation device of the folding line multi-blade shearing machine according to claim 4 is characterized by: The movable guide rail (9) comprises a left movable guide rail (9-1) and a right movable guide rail (9-2); The movable guide rail double-outlet shaft double-acting oil cylinder (4) comprises a first movable guide rail double-outlet shaft double-acting oil cylinder (4-1), a second movable guide rail double-outlet shaft double-acting oil cylinder (4-2), a third movable guide rail double-outlet shaft double-acting oil cylinder (4-3), a fourth movable guide rail double-outlet shaft double-acting oil cylinder (4-4), a fifth movable guide rail double-outlet shaft double-acting oil cylinder (4-5), a sixth movable guide rail double-outlet shaft double-acting oil cylinder (4-6), a seventh movable guide rail double-outlet shaft double-acting oil cylinder (4-7), and an eighth movable guide rail double-outlet shaft double-acting oil cylinder (4-8); The first movable guide rail double-outlet shaft double-acting oil cylinder (4-1), the second movable guide rail double-outlet shaft double-acting oil cylinder (4-2), the third movable guide rail double-outlet shaft double-acting oil cylinder (4-3) and the fourth movable guide rail double-outlet shaft double-acting oil cylinder (4-4) are hinged on the left movable guide rail (9-1); The fifth movable guide rail double-outlet shaft double-acting oil cylinder (4-5), the sixth movable guide rail double-outlet shaft double-acting oil cylinder (4-6), the seventh movable guide rail double-outlet shaft double-acting oil cylinder (4-7) and the eighth movable guide rail double-outlet shaft double-acting oil cylinder (4-8) are hinged to the right movable guide rail (9-2).

6. The hydraulic system of the guide rail automatic adjustment and compensation device of the folding line multi-blade shearing machine according to claim 5 is characterized by: The accumulator and control valve group (2) further comprises a fifth accumulator and control valve group (2-5), a sixth accumulator and control valve group (2-6), a seventh accumulator and control valve group (2-7) and an eighth accumulator and control valve group (2-8) which are connected to the movable guide rail double-output shaft double-acting oil cylinder (4) in correspondence; The pressure sensor (3) further comprises a fifth pressure sensor (3-6), a sixth pressure sensor (3-7), a seventh pressure sensor (3-8) and an eighth pressure sensor (3-9) which are connected to the fifth accumulator and control valve group (2-5), the sixth accumulator and control valve group (2-6), the seventh accumulator and control valve group (2-7) and the eighth accumulator and control valve group (2-8) respectively.

7. The hydraulic system of the automatic guide rail adjustment and compensation device of the folding line multi-blade shearing machine according to claim 6 is characterized by: The bidirectional hydraulically controlled one-way valve group (5) further comprises a third bidirectional hydraulically controlled one-way valve group (5-3) and a fourth bidirectional hydraulically controlled one-way valve group (5-4); the reversing control valve group (6) further comprises a third reversing control valve group (6-3) and a fourth reversing control valve group (6-4) respectively connected to the third bidirectional hydraulically controlled one-way valve group (5-3) and the fourth bidirectional hydraulically controlled one-way valve group (5-4); After the third directional control valve group (6-3) and the third bidirectional hydraulically controlled one-way valve group (5-3) are connected, and after the fourth directional control valve group (6-4) and the fourth bidirectional hydraulically controlled one-way valve group (5-4) are connected, they are simultaneously connected to the movable guide rail double-output shaft double-acting oil cylinder (4).

8. The hydraulic system of the guide rail automatic adjustment and compensation device of the folding line multi-blade shearing machine according to claim 1 is characterized by: The fixing seat (10) comprises a first fixing seat (10-1) and a second fixing seat (10-2); The fixed seat double-outlet shaft double-acting oil cylinder (7) comprises a first fixed seat double-outlet shaft double-acting oil cylinder (7-1), a second fixed seat double-outlet shaft double-acting oil cylinder (7-2), a third fixed seat double-outlet shaft double-acting oil cylinder (7-3), a fourth fixed seat double-outlet shaft double-acting oil cylinder (7-4), a fifth fixed seat double-outlet shaft double-acting oil cylinder (7-5), a sixth fixed seat double-outlet shaft double-acting oil cylinder (7-6), a seventh fixed seat double-outlet shaft double-acting oil cylinder (7-7), and an eighth fixed seat double-outlet shaft double-acting oil cylinder (7-8); The first fixed seat double-shaft double-acting oil cylinder (7-1), the second fixed seat double-shaft double-acting oil cylinder (7-2), the third fixed seat double-shaft double-acting oil cylinder (7-3) and the fourth fixed seat double-shaft double-acting oil cylinder (7-4) are hinged on the first fixed seat (10-1); The fifth fixed seat double-outlet shaft double-acting oil cylinder (7-5), the sixth fixed seat double-outlet shaft double-acting oil cylinder (7-6), the seventh fixed seat double-outlet shaft double-acting oil cylinder (7-7) and the eighth fixed seat double-outlet shaft double-acting oil cylinder (7-8) are hinged on the second fixed seat (10-2).

9. The hydraulic system of the guide rail automatic adjustment and compensation device of the folding line multi-blade shearing machine according to claim 8 is characterized by: The accumulator and control valve group (2) further comprises a ninth accumulator and control valve group (2-9), a tenth accumulator and control valve group (2-10), an eleventh accumulator and control valve group (2-11) and a twelfth accumulator and control valve group (2-12) which are correspondingly connected to the fixed seat double-output shaft double-acting oil cylinder (7); The pressure sensor (3) further comprises a ninth pressure sensor (3-9), a tenth pressure sensor (3-10), an eleventh pressure sensor (3-11) and a twelfth pressure sensor (3-12) which are connected to the ninth accumulator and control valve group (2-9), the tenth accumulator and control valve group (2-10), the eleventh accumulator and control valve group (2-11) and the twelfth accumulator and control valve group (2-12) respectively; The bidirectional hydraulically controlled one-way valve group (5) further comprises a fifth bidirectional hydraulically controlled one-way valve group (5-5) and a sixth bidirectional hydraulically controlled one-way valve group (5-6); the reversing control valve group (6) further comprises a fifth reversing control valve group (6-5) and a sixth reversing control valve group (6-6) respectively connected to the fifth bidirectional hydraulically controlled one-way valve group (5-5) and the sixth bidirectional hydraulically controlled one-way valve group (5-6); After the fifth directional control valve group (6-5) is connected to the fifth bidirectional hydraulically controlled one-way valve group (5-5), and after the sixth directional control valve group (6-6) is connected to the sixth bidirectional hydraulically controlled one-way valve group (5-6), they are simultaneously connected to the fixed seat double-output shaft double-acting oil cylinder (7).

10. The control method of the hydraulic system of the guide rail automatic adjustment and compensation device of the folding multi-blade shearing machine according to any one of claims 1 to 9, characterized in that: The double-outlet shaft double-acting oil cylinder (1) of the adjusting seat is installed in an even number on the adjusting seat (8), and the same side has not only a tensioning effect but also a pushing effect; the first two-way hydraulically controlled one-way valve group (5-1), the second two-way hydraulically controlled one-way valve group (5-2), the first reversing control valve group (6-1), and the second reversing control valve group (6-2) are coordinated and controlled to realize the working state of the double-outlet shaft double-acting oil cylinder (1) of the adjusting seat in pure tensioning or pure pushing-out, or a balanced state in which tensioning and pushing-out act simultaneously; The adjusting seat (8) moves in contact with the fixed seat (10) under the action of the adjusting seat double-outlet shaft double-acting cylinder (1) to form a gap below the movable guide rail (9); The fixed seat double-outlet shaft double-acting oil cylinder (7) is installed in an even number on the fixed seat (10), and the same side has not only a tensioning effect but also a pushing effect; the coordinated control of the fifth two-way hydraulically controlled one-way valve group (5-5), the sixth two-way hydraulically controlled one-way valve group (5-6), the fifth reversing control valve group (6-5), and the sixth reversing control valve group (6-6) can realize the working state of the fixed seat double-outlet shaft double-acting oil cylinder (7) for pure tensioning or pure pushing in the vertical direction of the movable guide rail (9), or a balanced state of tensioning and pushing at the same time; After the position of the adjustment seat (8) changes, a gap is formed with the contact surface of the movable guide rail (9). Under the action of the double-axis double-acting oil cylinder (7) of the fixed seat, the contact gap between the movable guide rail (9) and the guide rail surface of the scissor slide is adjusted, thereby achieving the purpose of adjusting the guide rail gap of the folding line high-efficiency multi-blade shearing machine; The pressure sensor monitors the pressure status of each control cylinder. Through program control, when the pressure is lower than the monitored pressure value, each accumulator and control valve group will be activated to replenish it in time to ensure that each control cylinder is in a relatively balanced state.

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