Automatic adjusting device for chain machining

Abstract

The utility model discloses an automatic adjusting device for chain machining, which relates to the field of chain machining and comprises a supporting vertical plate, a connecting frame is fixed at the top end of the supporting vertical plate, a hydraulic cylinder is fixed at the bottom end of the connecting frame, a telescopic end is arranged at the bottom end of the hydraulic cylinder, and a bending column is fixed on the outer side of the telescopic end. A protruding block is fixed to the bottom end of one side of the supporting vertical plate, two fixing bases are arranged on the side, away from the supporting vertical plate, of the protruding block in a sliding mode, after the metal rod is placed, the hydraulic cylinder is started, the telescopic end drives the bending column to stretch out downwards, the bending column presses the metal rod downwards, one end of the metal rod is bent, and after one-time bending, the metal rod is fixed to the supporting vertical plate. The other end of the bent metal rod is bent again, so that the metal rod forms a buckle, the chain can be conveniently assembled subsequently, the use is simple and convenient, the manufacturing cost is low, and after the metal rod is bent, the two pulleys can rotate relatively, so that the bent part of the metal rod is smoothly descended, and jamming is avoided.

Description

Technical Field

[0001] The utility model relates to the field of chain processing, in particular to an automatic regulating device for chain processing. Background Art

[0002] Chains are generally metal links or rings, often used for mechanical transmission and traction. They are used to block traffic, such as in streets, at river or harbor entrances, and for mechanical transmission. Chain product lines are categorized by their basic structure, specifically the shape of the components, the parts and locations that mesh with the chain, and the size ratios between the components.

[0003] The existing chain production method is to bend a metal rod into a ring shape, and then clamp multiple rings together to form a chain. During the bending process, the metal rod is easily subjected to bending force and easily gets stuck between the clamps.

[0004] Therefore, it is necessary to propose an automatic adjustment device for chain processing to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic adjustment device for chain processing, so as to solve the problem that the existing chain production method is to bend a metal rod into a ring shape, and then clamp a plurality of rings together to form a chain. During the bending process, the metal rod is easily subjected to bending force and is easily stuck between the clamp.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an automatic adjustment device for chain processing, comprising a support vertical plate, a connecting frame fixed to the top of the support vertical plate, a hydraulic cylinder fixed to the bottom of the connecting frame, a telescopic end provided at the bottom of the hydraulic cylinder, a bending column fixed to the outside of the telescopic end;

[0007] A protrusion is fixed at the bottom end of one side of the supporting vertical plate, and two fixed seats are provided on the side of the protrusion away from the supporting vertical plate for sliding. Grooves are provided at the top of the two fixed seats, and pulleys are rotatably connected inside the two grooves. A metal rod is placed between the tops of the two pulleys, and a distance is left between the two fixed seats.

[0008] Preferably, an automatic reset mechanism is provided between the two fixed seats, and the automatic reset mechanism includes a base, a telescopic slot is provided at the top of the base, a spring is fixed to the bottom of the telescopic slot, a telescopic card is fixed to the top of the spring, the upper half of the telescopic card extends out of the telescopic slot, and the telescopic card is slidably arranged inside the telescopic slot.

[0009] Preferably, a U-shaped slot is provided at the top of the telescopic card.

[0010] Preferably, a sliding groove is provided on the side of the protruding block away from the supporting vertical plate, and the sliding groove is distributed along the length direction of the protruding block. A slider is fixed on one side of the two fixing seats, and the two sliders are slidably fitted in the sliding groove.

[0011] Preferably, a positioning baffle is fixed to the top of one of the fixing seats, a positioning opening is opened in the middle of the positioning baffle, and one end of the metal rod corresponds to the positioning opening.

[0012] Preferably, the bending column and the telescopic end are distributed at a vertical angle.

[0013] The technical effects and advantages of this utility model are:

[0014] 1. In the actual operation of the present invention, after the metal rod is placed, the hydraulic cylinder is started to make the telescopic end drive the bending column to extend downward, the bending column presses down the metal rod and bends one end of the metal rod. After one bending, the other end of the bent metal rod is bent again to form a ring buckle for the subsequent assembly into a chain. It is easy to use and has low cost. When the metal rod is bent, the two pulleys rotate relative to each other, thereby smoothly lowering the bent part of the metal rod without getting stuck.

[0015] 2. In the actual operation of the present invention, after the metal rod is bent and dropped, the telescopic card will support the bent part, and the downward pressure will squeeze the spring to play a force-dissipating role, preventing the metal rod from falling, and at the same time playing a role in fixing the position. When the telescopic end completes the downward pressure and rises, the elastic force of the spring automatically drives the telescopic card and the metal rod to rise, making it convenient for personnel to pick up and the next bending work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the automatic adjustment device for chain processing of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the fixed seat and pulley of the utility model.

[0018] Figure 3 This is a schematic diagram of the structure of the metal rod after bending.

[0019] Figure 4 It is a structural schematic diagram of the spring and telescopic slot of the utility model.

[0020] In the figure: 1. Support vertical plate; 2. Connecting frame; 3. Hydraulic cylinder; 4. Telescopic end; 5. Bending column; 6. Protruding block; 7. Fixed seat; 8. Pulley; 9. Base; 10. Telescopic card; 11. Positioning baffle; 12. Metal rod; 13. Groove; 14. Spring; 15. Telescopic slot. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clarify the technical solutions in the embodiments of the present invention; it is clear that the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The utility model provides Figures 1 to 4 An automatic adjustment device for chain processing shown in the figure includes a supporting vertical plate 1, a connecting frame 2 is fixed to the top of the supporting vertical plate 1, a hydraulic cylinder 3 is fixed to the bottom of the connecting frame 2, a telescopic end 4 is provided at the bottom of the hydraulic cylinder 3, and a bending column 5 is fixed to the outside of the telescopic end 4; when the hydraulic cylinder 3 is started, it can drive the telescopic end 4 to extend downward or retract upward.

[0023] A protruding block 6 is fixed at the bottom end of one side of the supporting vertical plate 1, and two fixed seats 7 are slidingly provided on the side of the protruding block 6 away from the supporting vertical plate 1. A groove 13 is provided at the top of the two fixed seats 7, and pulleys 8 are rotatably connected inside the two grooves 13. A metal rod 12 is placed between the tops of the two pulleys 8, and a distance is left between the two fixed seats 7.

[0024] In the actual operation of the present invention, after the metal rod 12 is placed, the hydraulic cylinder 3 is started, so that the telescopic end 4 drives the bending column 5 to extend downward, and the bending column 5 presses down the metal rod 12 and bends one end of the metal rod 12. After one bending, the other end of the bent metal rod 12 is bent again to form a ring buckle for the subsequent assembly into a chain.

[0025] When the metal rod 12 is bent, the two pulleys 8 are caused to rotate relative to each other, thereby smoothly lowering the bent portion of the metal rod 12 .

[0026] An automatic reset mechanism is provided between the two fixed seats 7, and the automatic reset mechanism includes a base 9. A telescopic slot 15 is provided at the top of the base 9. A spring 14 is fixed to the bottom of the telescopic slot 15. A telescopic card 10 is fixed to the top of the spring 14. The upper half of the telescopic card 10 extends out of the telescopic slot 15, and the telescopic card 10 is slidably arranged inside the telescopic slot 15.

[0027] In the actual operation of the present invention, after the metal rod 12 is bent and lowered, the telescopic card 10 will support the bent part, and the downward pressure will squeeze the spring 14, which will play a force-dissipating role to prevent the metal rod 12 from falling, and at the same time play a role in fixing the position. When the telescopic end 4 completes the downward pressure and rises, the elastic force of the spring 14 automatically drives the telescopic card 10 and the metal rod 12 to rise, making it convenient for people to take it and the next bending work.

[0028] A U-shaped slot is provided at the top of the telescopic card 10 to securely engage the bent portion of the metal rod 12 to prevent left and right movement.

[0029] A sliding groove is provided on the side of the protruding block 6 away from the supporting vertical plate 1, and the sliding groove is distributed along the length direction of the protruding block 6. A slider is fixed on one side of the two fixed seats 7, and the two sliders are slidably fitted in the sliding groove. The two fixed seats 7 can move closer to and away from each other, which is convenient for adjustment in actual use.

[0030] A positioning baffle 11 is fixed to the top of one of the fixing seats 7, and a positioning hole is opened in the middle of the positioning baffle 11. One end of the metal rod 12 corresponds to the positioning hole to avoid deviation in the placement position of the metal rod 12. The bending column 5 and the telescopic end 4 are distributed at a vertical angle.

Claims

1. An automatic adjustment device for chain processing, comprising a support plate (1), characterized in that: A connecting frame (2) is fixed to the top of the supporting upright plate (1), a hydraulic cylinder (3) is fixed to the bottom of the connecting frame (2), a telescopic end (4) is provided at the bottom of the hydraulic cylinder (3), and a bending column (5) is fixed to the outside of the telescopic end (4); A protruding block (6) is fixed at the bottom end of one side of the supporting upright plate (1), and two fixing seats (7) are slidably provided on the side of the protruding block (6) away from the supporting upright plate (1). The top ends of the two fixing seats (7) are each provided with a groove (13), and pulleys (8) are rotatably connected inside the two grooves (13). A metal rod (12) is placed between the top ends of the two pulleys (8), and a distance is left between the two fixing seats (7).

2. The automatic adjustment device for chain processing according to claim 1, characterized in that: An automatic reset mechanism is provided between the two fixed seats (7), and the automatic reset mechanism comprises a base (9), a telescopic slot (15) is provided at the top of the base (9), a spring (14) is fixed at the bottom of the telescopic slot (15), a telescopic card (10) is fixedly connected to the top of the spring (14), the upper half of the telescopic card (10) extends out of the telescopic slot (15), and the telescopic card (10) is slidably arranged inside the telescopic slot (15).

3. The automatic adjustment device for chain processing according to claim 2, characterized in that: A U-shaped card slot is provided at the top of the telescopic card (10).

4. The automatic adjustment device for chain processing according to claim 1, characterized in that: A sliding groove is provided on the side of the protruding block (6) away from the supporting vertical plate (1), and the sliding groove is distributed along the length direction of the protruding block (6). A sliding block is fixed on one side of the two fixing seats (7), and the two sliding blocks are slidably fitted in the sliding groove.

5. The automatic adjustment device for chain processing according to claim 1, characterized in that: A positioning baffle (11) is fixed to the top of one of the fixing seats (7), a positioning opening is provided in the middle of the positioning baffle (11), and one end of the metal rod (12) corresponds to the positioning opening.

6. The automatic adjustment device for chain processing according to claim 1, characterized in that: The bending column (5) and the telescopic end (4) are distributed at a vertical angle.

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