CN114309172B - A bar bending machine for bearing inside hydraulic cylinder and use method thereof - Google Patents

Abstract

The present invention relates to the technical field of hydraulic cylinders, specifically to a bar bending machine for bearings inside hydraulic cylinders and a method for using the same, comprising a processing table, a first through slot is provided on one side of the upper end surface of the processing table, a bending plate is connected to the first through slot, and a slow motor is provided on the lower end surface of the bending plate; a second through slot is provided on the side of the upper end surface of the processing table away from the first through slot, a plurality of elastic components are movably connected in the second through slot, a support block is movably connected through the plurality of elastic components, a groove is provided on the upper end surface of the support block, a limiting wheel is rotatably connected in the groove, a driving mechanism is provided on the upper end surface of the support block, and the driving mechanism is used to transport the bar. Compared with large CNC bending machines, the present invention has the advantages of being small in size and easy to move, and at the same time has a good clamping and limiting effect on the bar, ensuring the accuracy of the bar when being bent.

Description

A bar bending machine for bearing inside hydraulic cylinder and use method thereof

Technical Field

The invention relates to a bending machine, in particular to a bending machine and a bending method for bearing bars inside a hydraulic cylinder, belonging to the technical field of hydraulic cylinders.

Background Art

Hydraulic cylinder is a kind of pressure finishing process. It uses the cold plasticity of metal at room temperature and uses rolling tools to apply a certain pressure on the workpiece surface to make the surface metal of the workpiece flow plastically and fill into the original residual concave troughs, so as to reduce the surface roughness of the workpiece. Due to the plastic deformation of the rolled surface metal, the surface structure is cold hardened and the grains are refined, forming a dense fiber shape, and a residual stress layer is formed, the hardness and strength are improved, thereby improving the wear resistance, corrosion resistance and compatibility of the workpiece surface;

When bending the rod-type accessories of the hydraulic cylinder, a bending machine is also needed. The existing bending machines are large in size, and the rods cannot be clamped and limited well when bending, which affects the bending accuracy of the rods.

Therefore, it is urgent to improve the bending machine to solve the above-mentioned problems.

Summary of the invention

The purpose of the present invention is to provide a hydraulic cylinder internal bearing bar bending machine and bending method, which has the advantages of small size and easy mobility compared with large-scale CNC bending machines, and at the same time has a good clamping and limiting effect on the bar, ensuring the accuracy of the bar when bending.

In order to achieve the above object, the main technical solutions adopted by the present invention include:

A bearing bar bending machine for a hydraulic cylinder, comprising a processing table, a first through slot is provided on one side of the upper end surface of the processing table, a bending plate is connected to the first through slot, and a slow motor is provided on the lower end surface of the bending plate;

A second through slot is provided on the side of the upper end surface of the processing tabletop away from the first through slot, and a plurality of elastic components are movably connected in the second through slot, and a support block is movably connected through the plurality of elastic components, and a groove is provided on the upper end surface of the support block, and a limiting wheel is rotatably connected in the groove, and a driving mechanism is provided on the upper end surface of the support block, and the driving mechanism is used to transport rods.

Preferably, a motor placement box is provided on the lower end surface of the processing table, and the motor placement box is located directly below the first through slot, and the lower end surface of the bending disk is connected to the output end of the slow motor.

Preferably, the first through groove is a circular through groove, the inner wall of the first through groove is provided with a circle of first sliding groove, the outer circle of the bending plate is provided with a circle of first sliding block, the bending plate is provided with a plurality of threaded holes, the threaded holes are screwed in and connected with a limiting rod, a cylinder is provided in the middle part of the upper end surface of the bending plate, the upper end surface of the cylinder is provided with a second threaded rod, and the limiting plate is screwed and connected through the second threaded rod.

Preferably, a circular groove is provided at the bottom of the limiting plate, the shape and size of the circular groove are adapted to the shape and size of the cylinder, and the outer surface of the limiting plate is provided with anti-slip textures.

Preferably, a second groove is opened around the inner wall of the second through groove, and the upper end surface and the lower end surface inside the second groove are provided with a plurality of connecting holes, and a connecting plate is provided on the three side surfaces of the support block, and the upper end surface of the connecting plate is provided with a connecting column.

Preferably, the elastic component includes a first connecting plate, a second connecting plate and a tension spring, a sliding groove is provided on one end surface of the first connecting plate, the first connecting plate slides in the sliding groove, the tension spring is arranged between the first connecting plate and the second connecting plate, the upper surface and the surface of the first connecting plate away from one end of the second connecting plate are provided with a first connecting rod adapted to the connecting hole, and the end of the second connecting plate away from the first connecting plate is provided with a second connecting hole adapted to the connecting column.

Preferably, the driving mechanism includes a support plate and a second driving motor, the support plate is arranged on the upper end surface of the support block, a motor support plate is arranged on the outer side of the support plate, the second driving motor is arranged on the upper end surface of the motor support plate, the output end of the second driving motor passes through the support plate and is connected to a driving wheel, the driving wheel is directly above the limiting wheel, and two driving mechanisms are symmetrically arranged on the support block, and the surfaces of the limiting wheel and the driving wheel are provided with rubber anti-slip pads.

Preferably, the lower end surface of the supporting table top is provided with a plurality of evenly distributed supporting legs, each of the supporting legs is connected to a movable wheel below, the movable wheel is a universal wheel structure, and a supporting mechanism is provided below the outer side surface of each supporting leg.

Preferably, the supporting mechanism includes a fixing plate, a third threaded rod and a fixing plate, the fixing plate is provided with a third threaded hole, the third threaded rod is screwed and connected in the third threaded hole, the fixing plate is arranged on the lower end surface of the third threaded rod, and the lower surface of the fixing plate is provided with a second rubber anti-slip pad.

A bending method for a hydraulic cylinder internal bearing bar bending machine, comprising the following steps:

S1: placing one end of the bar between the limiting wheel and the driving wheel, and then turning on the second driving motor, so that the second driving motor drives the driving wheel to rotate, thereby driving the bar to move toward the bending disk between the limiting wheels and the driving wheels;

S2: When one end of the rod is inserted between the limiting rod and the cylinder, the limiting plate is rotated so that the limiting plate gradually moves downward on the cylinder to a position 0.5 cm above the rod, thereby limiting the rod;

S3: After the preparation work is completed, the slow motor is turned on to drive the bending disk to rotate, thereby bending the rod between the limit rod and the cylinder. The rod is bent and conveyed at the same time. During the bending process of the rod, the force generated by the bending end of the rod will cause the rod between the limit wheel and the driving wheel to swing. Since the rod is always between the limit wheel and the driving wheel, the swinging force of the rod will drive the entire support block to swing. During the swinging process of the support block, the hinged elastic component will also swing, so that the rod is always between the limit wheel and the driving wheel and will not deviate. Then, the support block is reset by using the setting of the tension spring.

The present invention has at least the following beneficial effects:

1. Compared with the traditional CNC bending machine, this bending machine is smaller in size and easier to use. The mobile roller is used to make the equipment mobile. By using the elastic component, support block, limit wheel, drive motor and drive wheel, during the bending process of the bar, the force generated by the bending end of the bar will cause the bar between the limit wheel and the drive wheel to swing. Since the bar is always between the limit wheel and the drive wheel, the swinging force of the bar will drive the entire support block to swing. During the swinging process of the support block, the hinged elastic component will be driven to swing accordingly, so that the bar is always between the limit wheel and the drive wheel and will not deviate. Then the setting of the tension spring is used to reset the support block.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

FIG1 is a schematic diagram of a three-dimensional structure of the present invention;

FIG2 is a schematic diagram of the three-dimensional structure of the support processing table of the present invention;

FIG3 is a schematic diagram of the three-dimensional structure of the elastic component of the present invention;

FIG4 is a schematic diagram of the connection of the support blocks of the present invention;

FIG5 is a front cross-sectional view of the present invention;

FIG6 is a cross-sectional view of a bending disk of the present invention;

FIG7 is a schematic diagram of a three-dimensional structure of a support mechanism of the present invention;

FIG. 8 is a schematic diagram of the three-dimensional structure of the limiting plate of the present invention.

In the figure, 1-processing table, 101-elastic component, 2-first through slot, 3-bending plate, 4-slow motor, 5-second through slot, 6-support block, 7-groove, 8-limiting wheel, 9-driving mechanism, 901-support plate, 902-second driving motor, 903-motor support plate, 904-driving wheel, 905-rubber anti-skid pad, 10-motor placement box, 11-first slide slot, 12-first slider, 13-threaded hole, 14-cylinder, 1401-limiting rod, 15-second threaded rod, 16-limiting plate, 17-circular groove, 18-second groove, 19-connecting hole, 20-connecting plate, 21-connecting column, 22-first connecting plate, 23-second connecting plate, 24-tension spring, 25-sliding groove, 26-second connecting hole, 27-support leg, 28-moving wheel, 29-support mechanism, 30-fixing plate, 31-third threaded rod, 32-fixing plate, 33-third threaded hole, 34-second rubber anti-slip pad, 35-first connecting rod.

DETAILED DESCRIPTION

The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

As shown in Figures 1 to 8, the present embodiment provides a bearing rod bending machine for a hydraulic cylinder, comprising a processing table 1, a first through slot 2 is provided on one side of the upper end surface of the processing table 1, a bending plate 3 is connected to the first through slot 2, a slow motor 4 is provided on the lower end surface of the bending plate 3, and the rotation of the slow motor 4 drives the bending plate 3 to rotate in the first through slot 2; the first through slot 2 is a circular through slot, a circle of first slide grooves 11 is provided on the inner wall of the first through slot 2, a circle of first sliders 12 is provided on the outer ring of the bending plate 3, and the arrangement of the first sliders 12 and the first slide grooves 11 enables the bending plate 3 to have higher stability when rotating, and a plurality of threaded holes 13 are provided on the bending plate 3, and the threaded holes 13 are internally rotated and connected A limiting rod 1401 is connected, and a cylinder 14 is provided in the middle part of the upper end surface of the bending disk 3. The setting of the limiting rod 1401 and the cylinder 14 can realize the bending of the rod. The limiting rod 1401 is connected by a threaded structure, which is convenient for the limiting rod 1401 to be disassembled and installed. A second threaded rod 15 is provided on the upper end surface of the cylinder 14, and a limiting disk 16 is connected by the second threaded rod 15. The limiting disk 16 is used to limit the rod. A circular groove 17 is provided at the bottom of the limiting disk 16. The shape and size of the circular groove 17 are adapted to the shape and size of the cylinder 14. The outer surface of the limiting disk 15 is provided with anti-skid patterns, and the anti-skid patterns 15 facilitate the rotation and adjustment of the limiting disk 16.

A second through slot 5 is provided on the side of the upper end surface of the processing table top 1 away from the first through slot 2, a plurality of elastic components 101 are movably connected in the second through slot 5, and a support block 6 is movably connected through the plurality of elastic components 101, a second groove 18 is provided around the inner wall of the second through slot 5, a plurality of connection holes 19 are provided on the upper end surface and the lower end surface of the second groove 18, a connection plate 20 is provided on the three side surfaces of the support block 6, a connection column 21 is provided on the upper end surface of the connection plate 20, the elastic component 101 includes a first connection plate 22, a second connection plate 23 and a tension spring 24, a sliding groove 25 is provided on one end surface of the first connection plate 22, The first connecting plate 22 slides in the sliding groove 25, and the tension spring 24 is arranged between the first connecting plate 22 and the second connecting plate 23. The tension spring 24 makes the second connecting plate 23 have an elastic effect in the first connecting plate 23. The upper surface and the surface of the first connecting plate 22 away from the end of the second connecting plate 23 are provided with a first connecting rod 35 adapted to the connecting hole 19, and the first connecting rod 35 is inserted into the connecting hole 19. The end of the second connecting plate 23 away from the first connecting plate 22 is provided with a second connecting hole 26 adapted to the connecting column 21, and the connecting column 21 is inserted into the second connecting hole 26, thereby realizing the hinge effect of the two ends of the elastic component 101;

The upper end surface of the support block 6 is provided with a groove 7, and a limiting wheel 8 is rotatably connected in the groove 7. The upper end surface of the support block 6 is provided with a driving mechanism 9, and the driving mechanism 9 is used to transport rods. The driving mechanism 9 includes a support plate 901 and a second driving motor 902. The support plate 901 is arranged on the upper end surface of the support block 6, and a motor support plate 903 is arranged on the outer side of the support plate 901. The second driving motor 902 is arranged on the upper end surface of the motor support plate 903, and the motor support plate 903 is used to support the second driving motor 902. The output end of the second driving motor 902 passes through the support plate 901 and is connected to a driving wheel 904. The driving wheel 904 is directly above the limiting wheel 8. Two driving mechanisms 9 are symmetrically arranged on the support block 6. The surfaces of the limiting wheel 8 and the driving wheel 904 are provided with rubber anti-skid pads 905. The provision of the rubber anti-skid pads 905 improves the stability of the rods during transportation.

In this embodiment, as shown in Figure 5, a motor placement box 10 is provided on the lower end surface of the processing desktop 1, and the motor placement box 10 is directly below the first through groove 2. The lower end surface of the bending disk 3 is connected to the output end of the slow motor 4, and the motor placement box 10 is used to place the slow motor 4.

In this embodiment, as shown in FIG5 , the driving mechanism 9 includes a supporting plate 901 and a second driving motor 902. The supporting plate 901 is arranged on the upper end surface of the supporting block 6. A motor supporting plate 903 is arranged on the outer side of the supporting plate 901. The second driving motor 902 is arranged on the motor 8. A plurality of evenly distributed supporting legs 27 are arranged on the lower end surface of the supporting table 1. A moving wheel 28 is connected below each supporting leg 27. The moving wheel 28 is a universal wheel structure. A supporting mechanism 29 is arranged below the outer side surface of each supporting leg 27. The supporting leg 27 plays a supporting role. The setting of the moving wheel enables the bending machine to have a moving effect.

In this embodiment, as shown in Figure 7, the supporting mechanism 29 includes a fixing plate 30, a third threaded rod 31 and a fixing plate 32. The fixing plate 30 is provided with a third threaded hole 33. The third threaded rod 31 is screwed and connected in the third threaded hole 33. The fixing plate 32 is arranged on the lower end surface of the third threaded rod 31. The lower surface of the fixing plate 32 is provided with a second rubber anti-skid pad 34. When the bending machine moves to the desired position, the third threaded rod 31 is rotated so that the third threaded rod 31 rotates downward in the third threaded hole 33, so that the fixing plate 32 and the second rubber anti-skid pad 34 are in contact with the ground, thereby achieving the fixation of the bending machine after movement and preventing the bending machine from shaking during operation.

A bending method for a hydraulic cylinder internal bearing bar bending machine, comprising the following steps:

S1: Place one end of the bar between the limiting wheel 8 and the driving wheel 904, then turn on the second driving motor 902, so that the second driving motor 902 drives the driving wheel 904 to rotate, thereby driving the bar to move toward the bending disk 3 between the limiting wheels 8 and the driving wheels 904;

S2: When one end of the rod is inserted between the limiting rod 1401 and the cylinder 14, the limiting plate 16 is rotated so that the limiting plate 16 gradually moves downward on the cylinder 14 to a position 0.5 cm above the rod, thereby limiting the rod;

S3: After the preparation work is completed, the slow motor 4 is turned on to drive the bending disk 3 to rotate, thereby bending the rod between the limit rod 1401 and the cylinder 14. The rod is bent and conveyed at the same time. During the bending process of the rod, the force generated by the bending end of the rod will cause the rod between the limit wheel 8 and the driving wheel 904 to swing. Since the rod is always between the limit wheel 8 and the driving wheel 904, the swinging force of the rod will drive the entire support block 6 to swing. During the swinging process of the support block 6, the hinged elastic component 101 will be driven to swing accordingly, so that the rod is always between the limit wheel 8 and the driving wheel 904 and will not deviate. Then the setting of the tension spring 24 is used to achieve the reset of the support block 6.

For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims (2)

1. A bar bending machine for bearings inside a hydraulic cylinder, comprising a processing table (1), characterized in that a first through slot (2) is provided on one side of an upper end surface of the processing table (1), a bending plate (3) is connected to the first through slot (2), and a slow-speed motor (4) is provided on the lower end surface of the bending plate (3); A second through slot (5) is provided on a side of the upper end surface of the processing table top (1) away from the first through slot (2); a plurality of elastic components (101) are movably connected in the second through slot (5); a support block (6) is movably connected via the plurality of elastic components (101); a groove (7) is provided on the upper end surface of the support block (6); a limit wheel (8) is rotatably connected in the groove (7); a driving mechanism (9) is provided on the upper end surface of the support block (6); the driving mechanism (9) is used to transport the rod; and a motor release (9) is provided on the lower end surface of the processing table top (1). The motor placement box (10) is located directly below the first through slot (2); the lower end surface of the bending disk (3) is connected to the output end of the slow motor (4); the first through slot (2) is a circular through slot; the inner wall of the first through slot (2) is provided with a circle of first slide grooves (11); the outer ring of the bending disk (3) is provided with a circle of first slide blocks (12); the bending disk (3) is provided with a plurality of threaded holes (13); the threaded holes (13) are internally threadedly connected to the limit rods (1401); the middle portion of the upper end surface of the bending disk (3) A cylindrical body (14) is provided, and a second threaded rod (15) is provided on the upper end surface of the cylindrical body (14), and a limiting plate (16) is threadedly connected to the second threaded rod (15). A circular groove (17) is provided at the bottom of the limiting plate (16), and the shape and size of the circular groove (17) are adapted to the shape and size of the cylindrical body (14). The outer surface of the limiting plate (15) is provided with anti-slip patterns, and a second groove (18) is provided around the inner wall of the second through groove (5), and the upper end surface and the lower end surface of the second groove (18) are provided with A plurality of connection holes (19) are arranged, three sides of the support block (6) are each provided with a connection plate (20), the upper end surface of the connection plate (20) is provided with a connection column (21), the elastic component (101) comprises a first connection plate (22), a second connection plate (23) and a tension spring (24), one end surface of the first connection plate (22) is provided with a sliding groove (25), the first connection plate (22) slides in the sliding groove (25), the tension spring (24) is arranged between the first connection plate (22) and the second connection plate (2 3), the upper surface and the surface of the first connecting plate (22) away from the end of the second connecting plate (23) are both provided with a first connecting rod (35) adapted to the connecting hole (19), the end of the second connecting plate (23) away from the first connecting plate (22) is provided with a second connecting hole (26) adapted to the connecting column (21), the driving mechanism (9) comprises a support plate (901) and a second driving motor (902), the support plate (901) is arranged on the upper end surface of the supporting block (6), a motor supporting plate (903) is arranged on the outer side of the support plate (901), the second driving motor (902) is arranged on the upper end surface of the motor supporting plate (903), the output end of the second driving motor (902) passes through the support plate (901) and is connected to a driving wheel (904), the driving wheel (904) is located directly above the limiting wheel (8), and the driving mechanism (9 ) are symmetrically arranged on the support block (6), the surfaces of the limiting wheel (8) and the driving wheel (904) are both provided with rubber anti-skid pads (905), the lower end surface of the processing table top (1) is provided with a plurality of evenly distributed support legs (27), each of the support legs (27) is connected to a moving wheel (28) below, the moving wheel (28) is a universal wheel structure, and a support mechanism (29) is provided below the outer side surface of each support leg (27), the support mechanism (29) includes a fixing plate (30), a third threaded rod (31) and a fixing disk (32), the fixing plate (30) is provided with a third threaded hole (33), the third threaded rod (31) is threadedly connected to the third threaded hole (33), the fixing disk (32) is provided on the lower end surface of the third threaded rod (31), and the lower surface of the fixing disk (32) is provided with a second rubber anti-skid pad (34). 2. The bending method for the hydraulic cylinder internal bearing bar bending machine according to claim 1 is characterized in that it includes the following steps: S1: placing one end of the rod between the limiting wheel (8) and the driving wheel (904), and then turning on the second driving motor (902), so that the second driving motor (902) drives the driving wheel (904) to rotate, thereby driving the rod to move toward the bending disk (3) between the limiting wheels (8) and the driving wheels (904); S2: When one end of the rod is inserted between the limiting rod (1401) and the cylinder (14), the limiting plate (16) is rotated so that the limiting plate (16) gradually moves downward on the cylinder (14) to a position 0.5 cm above the rod, thereby limiting the rod; S3: After the preparation work is completed, the slow motor (4) is turned on to drive the bending disk (3) to rotate, thereby bending the rod between the limiting rod (1401) and the cylinder (14). The rod is conveyed while being bent. During the bending process of the rod, the force generated by the bending end of the rod causes the rod between the limiting wheel (8) and the driving wheel (904) to swing. Since the rod is always between the limiting wheel (8) and the driving wheel (904), the force of the swinging of the rod drives the entire support block (6) to swing. During the swinging process of the support block (6), the hinged elastic component (101) is driven to swing accordingly, so that the rod is always between the limiting wheel (8) and the driving wheel (904) and will not deviate. Then, the support block (6) is reset by using the setting of the tension spring (24).