Downward-pressing buffering structure for pressing machine

Abstract

The utility model relates to the field of hydraulic machines, and discloses a downward pressing buffering structure for a pressing machine. According to the device, a placing table is fixedly arranged on the inner side surface of the main frame, a machining table is arranged above the placing table, a plurality of fixing cylinders are fixedly arranged in the placing table, buffer rods are arranged in the middles of the fixing cylinders, and fixing discs are arranged on the surfaces of the joints of the buffer rods and the machining table; a first air bag and a push plate are connected to the end, in the fixing cylinder, of the buffer rod, a second air bag is arranged at the bottom end in the fixing cylinder, a plurality of air holes are formed in the surface of the fixing cylinder, and a second spring is arranged on the surface, between the fixing disc and the fixing cylinder, of the buffer rod. The machining table is protected, the service life of the machining table is prolonged, when the machining table is subjected to downward pressure, a fixing barrel, a buffer rod and a fixing disc in the containing table can move similar to a piston structure, and a second spring can assist the structure in driving the structure to restore to the original position.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of hydraulic machines, in particular to a down-pressing buffer structure for a press. BACKGROUND

[0002] Hydraulic machinery is a device and tool that works through fluid energy; it is commonly seen in heavy equipment, in which hydraulic oil is delivered to the actuator in the equipment at a very high pressure by a hydraulic pump, and the hydraulic pump is driven by an engine or an electric motor; the hydraulic oil is controlled by operating various hydraulic control valves to obtain the required pressure or flow, and various hydraulic elements are connected through hydraulic pipes; the hydraulic damper joint commonly used in hydraulic machinery uses hydraulic shock absorption; because the hydraulic plate of the hydraulic machine has too high pressure when it is descending, the buffer spring in the buffer structure is easily damaged, so the buffer spring in the buffer structure needs to be replaced regularly.

[0003] For example, the publication No. CN217070328U discloses a buffer structure for a mechanical hydraulic machine, which solves the problem that the replacement of the buffer spring in the existing buffer structure for a hydraulic machine is more troublesome, making the use of the buffer structure more inconvenient, which comprises a box body, support legs are equidistantly installed at the bottom end of the box body, a hydraulic machine is installed at the top end of the box body, a moving plate is installed at one end of the hydraulic machine penetrating the box body, grooves corresponding to the moving plate are symmetrically formed on both sides of the box body, a pressing block is installed below the moving plate, a workbench corresponding to the pressing block is installed below the pressing block, and the bottom end of the workbench is connected with the inner wall of the bottom of the box body; by setting various components such as the forward and reverse motor, the rotating rod, the screw rod and the movable plate, the lifting of the piston cylinder can be realized, i.e. the lifting of the spring is realized, which facilitates the operator to take down the spring and facilitates the regular replacement of the spring, thereby ensuring the buffering effect of the hydraulic machine buffer structure.

[0004] However, the processing table used in the buffer structure for a mechanical hydraulic machine in the application does not have a buffer structure, and the processing table will be damaged and its service life will be reduced after being subjected to pressure impact for a long time. Content of the utility model

[0005] The application aims to solve the above-mentioned processing table buffering problem and provide a down-pressing buffer structure for a press.

[0006] The technical scheme adopted by the present application is as follows: a lower pressing buffering structure for a press machine, comprising a main frame, a placing table is fixedly arranged on the inner side surface of the main frame, a processing table is arranged above the placing table, a plurality of fixing cylinders are fixedly arranged in the placing table, a buffering rod is arranged in the middle of the fixing cylinder, a fixing disc is arranged on the surface of the connecting part of the buffering rod and the processing table, an air bag one and a push plate are connected to one end of the buffering rod in the fixing cylinder, an air bag two is arranged at the bottom end in the fixing cylinder, a plurality of air holes are arranged on the surface of the fixing cylinder, and a spring two is arranged on the surface of the buffering rod between the fixing disc and the fixing cylinder.

[0007] By adopting the above technical scheme, the buffering structure is arranged at the bottom of the processing table, the buffering structure buffers the pressure impact received by the processing table, the buffering structure protects the processing table and prolongs the service life of the processing table, when the processing table receives a downward pressure, the fixing cylinder, the buffering rod and the fixing disc arranged in the placing table move like a piston structure, the spring two assists the structure to return to the original position after the work is completed, and the air holes arranged on the surface of the fixing cylinder and the air bag one, the push plate and the air bag two in the fixing cylinder assist the structure to buffer when the structure is pressed downward.

[0008] In a preferred embodiment, a hydraulic cylinder is fixedly arranged at the top end of the main frame, a hydraulic column is connected to the output end of the hydraulic cylinder, a downward pressing plate is connected to the other end of the hydraulic column, and two T-shaped pressing plates are arranged at the both ends of the surface of the downward pressing plate.

[0009] By adopting the above technical scheme, the hydraulic cylinder arranged at the top end of the main frame drives the hydraulic column and the downward pressing plate to move downward, and the downward pressing work can be performed under the cooperation of the T-shaped pressing plates.

[0010] In a preferred embodiment, two sliding grooves are fixedly arranged at the both sides of the main frame, a movable plate is movably arranged in the sliding groove, and a screw rod is threadedly connected to the middle of the movable plate.

[0011] By adopting the above technical scheme, the movable plate threadedly connected to the surface of the screw rod can slide in the sliding groove when the screw rod rotates.

[0012] In a preferred embodiment, two belt pulleys are connected to the extended ends of the two screw rods outside the main frame, a belt is connected to the middle surface of the two belt pulleys, and a forward-reverse motor is connected to one end of one of the screw rods.

[0013] By adopting the above technical scheme, the forward-reverse motor can drive the screw rod to rotate, and the belt pulley and the belt can drive the other screw rod to rotate.

[0014] In a preferred embodiment, the surface of the movable plate is fixedly provided with two piston barrels, the middle of the piston barrels is provided with a piston rod, the extension end of the piston rod penetrates through a lower pressing plate, the surface of the piston rod between the lower pressing plate and the movable plate is provided with a spring one, and the inner end of the piston rod is connected with a piston.

[0015] By adopting the above technical scheme, the piston structure is arranged between the lower pressing plate and the movable plate, which can effectively provide buffering force for the lower pressing assembly of the device, the piston rod, the piston barrel and the piston are arranged to form the piston structure, and the spring one arranged on the surface of the piston rod can provide auxiliary effect for the structure.

[0016] In a preferred embodiment, the bottom end of the main frame is fixedly provided with four supporting columns.

[0017] By adopting the above technical scheme, the four supporting columns arranged on the surface of the bottom end of the main frame can effectively provide stable supporting force for the device.

[0018] In a preferred embodiment, the surface of the main frame is painted.

[0019] By adopting the above technical scheme, the surface of the main frame is painted, which can play a protective role, thereby reducing damage to the main frame caused by the external environment.

[0020] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0021] In the present application, the buffering structure arranged at the bottom of the processing table can buffer the pressure impact received by the processing table, thereby protecting the processing table and prolonging the service life of the processing table. When the processing table is subjected to a pressing force, the fixed cylinder, the buffering rod and the fixed disc arranged inside the placing table will move like a piston structure. The spring two arranged on the surface of the fixed cylinder and the air bag one, the push plate and the air bag two arranged inside the fixed cylinder can assist the structure to buffer when the structure is pressed. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The figure is a schematic view of the main structure of the pressing machine used in the present application.

[0023] Figure 2 The figure is a schematic view of the piston assembly structure in the present application.

[0024] Figure 3 The figure is a schematic view of the processing table buffering assembly structure in the present application.

[0025] Figure 4 The figure is a schematic view of the screw lifting assembly structure in the present application.

[0026] Marked in the figure: 1, main frame; 2, support column; 3, hydraulic cylinder; 4, hydraulic column; 5, lower pressing plate; 6, placing table; 7, processing table; 8, T-shaped pressing plate; 9, piston rod; 10, piston cylinder; 11, sliding groove; 12, movable plate; 13, forward and reverse motor; 14, spring one; 15, fixed cylinder; 16, buffer rod; 17, fixed disc; 18, spring two; 19, air hole; 20, air bag one; 21, push plate; 22, air bag two; 23, lead screw; 24, belt pulley; 25, belt. DETAILED DESCRIPTION

[0027] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] EMBODIMENT

[0029] WITH REFERENCE Figures 1-3 A lower pressing buffer structure for a press, comprising a main frame 1, a placing table 6 is fixedly arranged on the inner side surface of the main frame 1, a processing table 7 is arranged above the placing table 6, a plurality of fixed cylinders 15 are fixedly arranged in the inside of the placing table 6, a buffer rod 16 is arranged in the middle of the fixed cylinder 15, and a fixed disc 17 is arranged on the surface of the connection between the buffer rod 16 and the processing table 7, an air bag one 20 and a push plate 21 are connected to one end of the buffer rod 16 in the inside of the fixed cylinder 15, an air bag two 22 is arranged at the bottom end in the inside of the fixed cylinder 15, a plurality of air holes 19 are arranged on the surface of the fixed cylinder 15, and a spring two 18 is arranged on the surface of the buffer rod 16 in the middle of the fixed disc 17 and the fixed cylinder 15. By arranging the buffer structure at the bottom of the processing table, the pressure impact received by the processing table is buffered, the processing table is protected, and its service life is prolonged. When the processing table 7 is subjected to a downward pressing force, the fixed cylinder 15, the buffer rod 16 and the fixed disc 17 arranged in the inside of the placing table 6 will move like a piston structure, the spring two 18 arranged thereon can assist the structure to restore to the original position after the work is completed, and the air holes 19 arranged on the surface of the fixed cylinder 15, the air bag one 20, the push plate 21 and the air bag two 22 in the inside of the fixed cylinder 15 can assist the structure to buffer when it is pressed downward.

[0030] WITH REFERENCE Figure 1The top end of the main frame 1 is fixedly provided with a hydraulic cylinder 3, the output end of the hydraulic cylinder 3 is connected with a hydraulic column 4, the other end of the hydraulic column 4 is connected with a lower pressing plate 5, the surface of the lower pressing plate 5 is provided with two T-shaped pressing plates 8 at both ends, the hydraulic cylinder 3 arranged at the top end of the main frame 1 can drive the hydraulic column 4 and the lower pressing plate 5 to move downward, and the T-shaped pressing plate 8 can be pressed downward.

[0031] With reference to Figures 1-2 The two sides of the main frame 1 are fixedly provided with two sliding grooves 11, the inside of the sliding groove 11 is movably provided with a movable plate 12, and the middle of the movable plate 12 is threadedly connected with a lead screw 23, and the movable plate 12 connected with the lead screw 23 through the surface thread can slide in the inside of the sliding groove 11 when the lead screw 23 rotates.

[0032] With reference to Figures 1-4 The two lead screws 23 are connected with two belt pulleys 24 at the extended ends outside the main frame 1, the middle surface of the two belt pulleys 24 is connected with a belt 25, one end of one of the lead screws 23 is connected with a reversible motor 13, the reversible motor 13 arranged to be started can drive the lead screw 23 to rotate, and the other lead screw 23 can be driven to rotate through the connection of the belt pulley 24 and the belt 25.

[0033] With reference to Figures 1-2 The surface of the movable plate 12 is fixedly provided with two piston cylinders 10, the middle of the piston cylinder 10 is provided with a piston rod 9, and the extended end of the piston rod 9 penetrates the lower pressing plate 5, the surface of the piston rod 9 in the middle of the lower pressing plate 5 and the movable plate 12 is provided with a spring 14, and the piston rod 9 is connected with a piston at one end in the inside of the piston cylinder 10, and the piston structure arranged in the middle of the lower pressing plate 5 and the movable plate 12 can effectively provide buffer force for the equipment pressing assembly, the piston rod 9, the piston cylinder 10 and the piston arranged to form a piston structure, and the spring 14 arranged on the surface of the piston rod 9 can provide auxiliary effect for the structure.

[0034] With reference to Figure 1 The bottom end of the main frame 1 is fixedly provided with four supporting columns 2, and the surface of the bottom end of the main frame 1 is provided with four supporting columns 2, which can effectively provide stable supporting force for the equipment.

[0035] With reference to Figure 1 The surface of the main frame 1 is painted, and the surface of the main frame 1 is painted, which can protect the main frame 1 from damage by external environment.

[0036] The implementation principle of the lower pressing buffer structure for the press is:

[0037] When the processing table 7 is pressed, the fixed cylinder 15, the buffer rod 16 and the fixed disc 17 arranged inside the placing table 6 move like a piston structure, and the arranged spring 18 can assist the structure to restore to the original position after the work is completed, and the air hole 19 arranged on the surface of the fixed cylinder 15, the air bag 1 20, the push plate 21 and the air bag 2 22 inside the fixed cylinder 15 can assist the structure to play a buffering role when being pressed.

[0038] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A downward pressure buffer structure for a press, comprising a main frame (1), characterized in that: A placing table (6) is fixedly provided on the inner surface of the main frame (1), a processing table (7) is provided above the placing table (6), a plurality of fixed cylinders (15) are fixedly provided inside the placing table (6), a buffer rod (16) is provided in the middle of the fixed cylinder (15), and a fixed disk (17) is provided on the surface of the connection between the buffer rod (16) and the processing table (7), the buffer rod (16) is connected to an airbag 1 (20) and a push plate (21) at one end inside the fixed cylinder (15), an airbag 2 (22) is provided at the bottom end inside the fixed cylinder (15), a plurality of air holes (19) are provided on the surface of the fixed cylinder (15), and a spring 2 (18) is provided on the surface of the buffer rod (16) between the fixed disk (17) and the fixed cylinder (15).

2. A press-down buffer structure for a press according to claim 1, characterized in that: A hydraulic cylinder (3) is fixedly provided at the top of the main frame (1), the output end of the hydraulic cylinder (3) is connected to a hydraulic column (4), the other end of the hydraulic column (4) is connected to a lower pressure plate (5), and two T-shaped pressure plates (8) are provided at both ends of the surface of the lower pressure plate (5).

3. A downward pressure buffer structure for a press according to claim 1, characterized in that: Two sliding grooves (11) are fixedly provided on both sides of the main frame (1), a movable plate (12) is movably provided inside the sliding groove (11), and a screw rod (23) is connected to the middle thread of the movable plate (12).

4. A downward pressure buffer structure for a press according to claim 3, characterized in that: The two screw rods (23) are connected to two pulleys (24) at the external extension ends of the main frame (1), the middle surfaces of the two pulleys (24) are connected to a belt (25), and one end of one of the screw rods (23) is connected to a forward and reverse motor (13).

5. A downward pressure buffer structure for a press according to claim 3, characterized in that: Two piston cylinders (10) are fixedly arranged on the surface of the movable plate (12), a piston rod (9) is arranged in the middle of the piston cylinder (10), and the extended end of the piston rod (9) passes through the lower pressure plate (5), a spring (14) is arranged on the surface of the piston rod (9) between the lower pressure plate (5) and the movable plate (12), and the piston rod (9) is connected to a piston at one end inside the piston cylinder (10).

6. The downward pressure buffer structure for a press according to claim 1, characterized in that: Four support columns (2) are fixedly arranged at the bottom end of the main frame (1).

7. The downward pressure buffer structure for a press according to claim 1, characterized in that: The surface of the main frame (1) is painted.

Images