Cutting device for spring machining

Abstract

The utility model discloses a cutting device for spring processing, which belongs to the technical field of spring processing and comprises a conveying box, a sealing plate is arranged at one end of the conveying box, a spring strip is arranged in the conveying box, a motor is arranged at the position, corresponding to the spring strip, of the rear end in the conveying box, and a rotating wheel is arranged at the output end of the motor. Through the arrangement of the connecting assembly, when the cutting knife is installed, a pull plate is pulled to drive a sliding rod and a limiting plate to slide in a fixing cylinder, a telescopic spring is compressed, then an inserting column at the upper end of the cutting knife is inserted into an inserting groove of a fixing base, the pull plate is loosened, and the cutting knife is installed in the fixing cylinder. The telescopic spring elastically stretches to push one end of the sliding rod to enter the clamping hole of the inserting column, the effect of limiting and fixing the inserting column and the cutting knife is achieved, the pulling plate is pulled to drive one end of the sliding rod to move out of the clamping hole of the inserting column, then the cutting knife can be disassembled, and the cutting knife can be conveniently and rapidly disassembled, assembled and replaced by arranging the connecting assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of spring processing, and in particular relates to a spring processing and cutting device. Background Art

[0002] A spring is a mechanical part that uses elasticity to work. Parts made of elastic materials deform under external force and return to their original shape after the external force is removed. It is also called "spring". It is generally made of spring steel. There are many types of springs. According to their shapes, they mainly include helical springs, scroll springs, leaf springs, special-shaped springs, etc.

[0003] Chinese patent application No. 2019212507320 discloses an automatically conveyable spring processing and cutting device, comprising a conveying box and a cutting mechanism, a curved plate is installed on the left side wall of the conveying box by bolts, a base is fixed to the bottom of the conveying box by welding, a through hole is opened inside the conveying box, a spring bar is installed in the through hole, the left end of the spring bar is connected to the curved plate, a motor is installed on the left side wall of the inner cavity of the conveying box by bolts, and the motor is connected to an external power supply through a wire; the structure design of the automatically conveyable spring processing and cutting device is reasonable, a cutting mechanism is installed on the left side wall of the conveying box, a cutting seat in the cutting mechanism is sleeved on the outside of the spring bar, and when the cutting knife cuts the spring bar, the cutting seat can fix the two ends of the spring bar at the cutting point to prevent deformation, so that the cutting knife can cut the spring bar neatly to avoid the sharp end from scratching the hand skin.

[0004] The above-mentioned patent is not convenient for disassembling and replacing the cutting knife. The cutting knife becomes blunt after long-term use, which affects the subsequent cutting quality. At the same time, the original device does not have the function of positioning the cutting length of the spring strip, and the cutting length accuracy is poor. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a spring processing and cutting device, which has the feature of convenient disassembly, assembly and replacement of the cutting blade.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spring processing and cutting device, comprising a conveying box, a sealing plate is arranged at one end of the conveying box, a spring bar is arranged in the conveying box, a motor is arranged at a position corresponding to the spring bar at the rear end of the conveying box, a rotating wheel is arranged at the output end of the motor, a horizontal plate is arranged on the upper side of the end of the conveying box away from the sealing plate, a hydraulic cylinder is arranged at the lower end of the horizontal plate, a cutting knife is arranged on the lower side of the hydraulic cylinder, a cutting seat is arranged on the lower side of the cutting knife, and the cutting knife and the hydraulic cylinder are connected by a connecting component.

[0007] Preferably, the connecting component includes a fixed seat, a fixed cylinder, a column, a slot, a clamping hole, a pull plate, a limit plate, a slide rod, a telescopic spring and a protective component, wherein a fixed seat is provided at the output end of the hydraulic cylinder, a column is provided at the upper end of the cutting knife, a slot corresponding to the column is provided at the lower end of the fixed seat, a fixed cylinder is provided at one end of the fixed seat, a slide rod is provided in the fixed cylinder, a pull plate is provided at one end of the slide rod, a limit plate is provided on the surface of the slide rod, a telescopic spring is provided on the surface of the slide rod between the limit plate and the fixed cylinder, a clamping hole corresponding to the slide rod is provided in the column, and a protective component is provided at a position corresponding to the fixed cylinder at one end of the fixed seat.

[0008] Preferably, the protective component includes a fixed frame, a cover plate, a lever, magnetic stripe one and magnetic stripe two, wherein a fixed frame is arranged at a position corresponding to the fixed tube at one end of the fixed seat, a cover plate is connected to one end of the fixed frame through a hinge, a lever is arranged at one end of the cover plate, magnetic stripe one is arranged at one end of the cover plate, and magnetic stripe two is arranged at a position corresponding to magnetic stripe one at one end of the fixed frame.

[0009] Preferably, the fixing seat and the fixing tube are both provided with sliding holes corresponding to the sliding rod, and after the plug post enters the slot, the side edge of the plug post is in close contact with the inner wall of the slot.

[0010] Preferably, a fixing rod is provided at a position corresponding to the spring bar at one end of the sealing plate, a sliding plate is slidably connected to the surface of the fixing rod, a fixing bolt is provided at the upper end of the sliding plate, a connecting rod is provided on the lower side of the end of the sliding plate away from the sealing plate, a positioning plate is provided at the other end of the connecting rod, and a scale is provided at the front end of the fixing rod.

[0011] Preferably, a limit seat is provided at one end of the fixing rod away from the sealing plate, and a threaded hole corresponding to the fixing bolt is provided at the upper end of the sliding plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a connecting component. When the cutting knife is installed, the pull plate is pulled to drive the slide bar and the limit plate to slide in the fixed tube, and the telescopic spring is compressed. Then, the plug post at the upper end of the cutting knife is inserted into the slot of the fixed seat, and the pull plate is released. The telescopic spring is extended to push one end of the slide bar into the clamping hole of the plug post, so as to achieve the effect of limiting and fixing the plug post and the cutting knife. The pull plate is pulled to drive one end of the slide bar to move out of the clamping hole of the plug post, and the cutting knife can be disassembled. The connection component is set to facilitate the quick disassembly and replacement of the cutting knife.

[0014] 2. The utility model sets a positioning plate to push the slide plate to move on the fixed rod. The slide plate drives the positioning plate to move through the connecting rod. The moving distance of the positioning plate is known according to the scale on the fixed rod. After the positioning plate moves to a suitable position, the fixing bolt is screwed to fix the slide plate, and then the spring bar is transmitted. When one end of the spring bar contacts the side of the positioning plate, the transmission of the spring bar is stopped, and then the spring bar can be cut. The positioning plate can play a positioning role in the cutting of the spring bar, thereby improving the accuracy of cutting the length of the spring bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a cutaway perspective view of the transfer box of the utility model;

[0017] Figure 3 This is a cutaway perspective view of the fixing tube and the fixing frame when the cutting knife of the utility model is installed;

[0018] In the figure: 1. conveying box; 2. connecting component; 21. fixing seat; 22. fixing cylinder; 23. plug post; 24. slot; 25. card hole; 26. pull plate; 27. limit plate; 28. slide bar; 29. ​​telescopic spring; 210. protective component; 2101. fixing frame; 2102. cover plate; 2103. lever; 2104. magnetic stripe 1; 2105. magnetic stripe 2; 3. horizontal plate; 4. hydraulic cylinder; 5. cutting knife; 6. cutting seat; 7. sealing plate; 8. fixing rod; 9. positioning plate; 10. spring strip; 11. motor; 12. rotating wheel; 13. slide plate; 14. connecting rod; 15. scale; 16. fixing bolt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-3The utility model provides the following technical solutions: a spring processing and cutting device, comprising a conveying box 1, a sealing plate 7 is arranged at one end of the conveying box 1, a spring bar 10 is arranged in the conveying box 1, a motor 11 is arranged at a position corresponding to the spring bar 10 at the rear end of the conveying box 1, a rotating wheel 12 is arranged at the output end of the motor 11, a transverse plate 3 is arranged on the upper side of the end of the conveying box 1 away from the sealing plate 7, a hydraulic cylinder 4 is arranged at the lower end of the transverse plate 3, a cutting knife 5 is arranged on the lower side of the hydraulic cylinder 4, a cutting seat 6 is arranged on the lower side of the cutting knife 5, and the cutting knife 5 is connected to the hydraulic cylinder 4 through a connecting component 2.

[0022] Specifically, the connecting component 2 includes a fixed seat 21, a fixed cylinder 22, a column 23, a slot 24, a clamping hole 25, a pull plate 26, a limit plate 27, a slide bar 28, a telescopic spring 29 and a protective component 210, wherein a fixed seat 21 is provided at the output end of the hydraulic cylinder 4, a column 23 is provided at the upper end of the cutting knife 5, a slot 24 corresponding to the column 23 is provided at the lower end of the fixed seat 21, a fixed cylinder 22 is provided at one end of the fixed seat 21, a slide bar 28 is provided in the fixed cylinder 22, a pull plate 26 is provided at one end of the slide bar 28, a limit plate 27 is provided on the surface of the slide bar 28, a telescopic spring 29 is provided on the surface of the slide bar 28 between the limit plate 27 and the fixed cylinder 22, a clamping hole 25 corresponding to the slide bar 28 is provided in the column 23, and a protective component 210 is provided at a position corresponding to the fixed cylinder 22 at one end of the fixed seat 21.

[0023] By adopting the above technical solution, when installing the cutting knife 5, the pull plate 26 is pulled to drive the sliding rod 28 and the limiting plate 27 to slide in the fixed tube 22, and the telescopic spring 29 is compressed. Then, the plug post 23 at the upper end of the cutting knife 5 is inserted into the slot 24 of the fixing seat 21, and the pull plate 26 is released. The telescopic spring 29 is extended to push one end of the sliding rod 28 into the clamping hole 25 of the plug post 23, so as to achieve the effect of limiting and fixing the plug post 23 and the cutting knife 5. The pull plate 26 is pulled to drive one end of the sliding rod 28 to move out of the clamping hole 25 of the plug post 23, and the cutting knife 5 can be disassembled. By setting the connecting component 2, it is convenient to quickly disassemble and replace the cutting knife 5.

[0024] Specifically, the protective component 210 includes a fixed frame 2101, a cover plate 2102, a lever 2103, a magnetic stripe 1 2104 and a magnetic stripe 2 2105, wherein the fixed frame 2101 is arranged at a position corresponding to the fixed tube 22 at one end of the fixed seat 21, one end of the fixed frame 2101 is connected to the cover plate 2102 through a hinge, the lever 2103 is arranged at one end of the cover plate 2102, the magnetic stripe 1 2104 is arranged at one end of the cover plate 2102, and the magnetic stripe 2 2105 is arranged at a position corresponding to the magnetic stripe 1 2104 at one end of the fixed frame 2101.

[0025] By adopting the above technical solution, when there is no need to pull the pull plate 26, the cover plate 2102 is pushed by the lever 2103, and the cover plate 2102 is rotated and closed on the fixed frame 2101. After the cover plate 2102 is closed, the magnetic strip 1 2104 on the cover plate 2102 is adsorbed with the magnetic strip 2 2105 at one end of the fixed frame 2101, so as to achieve the effect of adsorbing and fixing the cover plate 2102. By setting the protective component 210, the fixed cylinder 22 and the pull plate 26 can be sealed and protected to avoid accidental pulling of the pull plate 26.

[0026] Specifically, the fixing seat 21 and the fixing tube 22 are both provided with sliding holes corresponding to the sliding rod 28 , and after the insertion column 23 enters the slot 24 , the side edge of the insertion column 23 is tightly attached to the inner wall of the slot 24 .

[0027] By adopting the above technical solution, the sliding rod 28 can slide in the fixing seat 21 and the fixing tube 22 , and after the plug post 23 enters the slot 24 , the plug post 23 is more stable in the slot 24 .

[0028] When the spring processing and cutting device of this embodiment is used, the device is installed at a suitable position, the spring strip 10 is inserted into the conveying box 1, and the motor 11 drives the rotating wheel 12 to rotate to convey the spring strip 10. After the spring strip 10 is conveyed to a suitable position, the motor 11 is turned off, and the hydraulic cylinder 4 is turned on to push the cutting knife 5 to move downward. The cutting knife 5 cooperates with the cutting seat 6 to cut the spring strip 10. By setting the connecting component 2, when the cutting knife 5 is installed, the pull plate 26 is pulled to drive the slide bar 28 and the limit plate 27 to slide in the fixed cylinder 22, and the telescopic spring 29 is compressed. Then, the plug post 23 at the upper end of the cutting knife 5 is inserted into the slot 24 of the fixed seat 21, and the pull plate 26 is released. The telescopic spring 29 is stretched to push one end of the slide bar 28 into the clamping hole 25 of the plug post 23. The effect of limiting and fixing the plug post 23 and the cutting knife 5 is achieved. The pulling plate 26 is pulled to drive one end of the sliding rod 28 to move out of the clamping hole 25 of the plug post 23, and the cutting knife 5 can be disassembled. By setting the connecting component 2, it is convenient to quickly disassemble and replace the cutting knife 5. By setting the protective component 210, when there is no need to pull the pulling plate 26, the cover plate 2102 is pushed by the lever 2103, and the cover plate 2102 is rotated and closed on the fixed frame 2101. After the cover plate 2102 is closed, the magnetic strip 1 2104 on the cover plate 2102 is adsorbed by the magnetic strip 2 2105 at one end of the fixed frame 2101, so as to achieve the effect of adsorbing and fixing the cover plate 2102. By setting the protective component 210, the fixed tube 22 and the pulling plate 26 can be sealed and protected to avoid accidental pulling of the pulling plate 26.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that a fixing rod 8 is arranged at a position corresponding to the spring strip 10 at one end of the sealing plate 7, a slide plate 13 is slidably connected to the surface of the fixing rod 8, a fixing bolt 16 is arranged at the upper end of the slide plate 13, a connecting rod 14 is arranged at the lower side of the end of the slide plate 13 away from the sealing plate 7, a positioning plate 9 is arranged at the other end of the connecting rod 14, and a scale 15 is arranged at the front end of the fixing rod 8.

[0031] By adopting the above technical solution, the slide plate 13 is pushed to move on the fixing rod 8, and the slide plate 13 drives the positioning plate 9 to move through the connecting rod 14. The moving distance of the positioning plate 9 is known according to the scale 15 on the fixing rod 8. After the positioning plate 9 moves to a suitable position, the fixing bolt 16 is screwed to fix the slide plate 13, and then the spring bar 10 is conveyed. When one end of the spring bar 10 contacts the side of the positioning plate 9, the conveyance of the spring bar 10 is stopped, and then the spring bar 10 can be cut. By setting the positioning plate 9, the cutting of the spring bar 10 can be positioned, thereby improving the length cutting accuracy of the spring bar 10.

[0032] Specifically, a limit seat is provided at one end of the fixing rod 8 away from the sealing plate 7 , and a threaded hole corresponding to the fixing bolt 16 is provided at the upper end of the sliding plate 13 .

[0033] By adopting the above technical solution, the limiting seat can limit the slide plate 13 on the fixing rod 8, and the lower end of the fixing bolt 16 can be tightened against the fixing rod 8 to limit and fix the slide plate 13.

[0034] When this embodiment is used, by setting the positioning plate 9, the slide plate 13 is pushed to move on the fixing rod 8. The slide plate 13 drives the positioning plate 9 to move through the connecting rod 14. The moving distance of the positioning plate 9 is known according to the scale 15 on the fixing rod 8. After the positioning plate 9 moves to a suitable position, the fixing bolt 16 is screwed to fix the slide plate 13, and then the spring bar 10 is conveyed. When one end of the spring bar 10 contacts the side of the positioning plate 9, the conveyance of the spring bar 10 is stopped, and then the spring bar 10 can be cut. By setting the positioning plate 9, the cutting of the spring bar 10 can be positioned, thereby improving the length cutting accuracy of the spring bar 10.

[0035] The structure and working principle of the conveying box 1, the cross plate 3, the hydraulic cylinder 4, the cutting knife 5, the cutting seat 6, the sealing plate 7, the spring strip 10, the motor 11 and the rotating wheel 12 in the utility model have been disclosed in a spring processing and cutting device that can be automatically conveyed disclosed in Chinese patent application number 2019212507320. Its working principle is to pass the spring strip 10 into the conveying box 1, and the motor 11 drives the rotating wheel 12 to rotate to convey the spring strip 10. After the spring strip 10 is conveyed to the appropriate position, the motor 11 is turned off, and the hydraulic cylinder 4 is turned on to push the cutting knife 5 to move downward, and the cutting knife 5 cooperates with the cutting seat 6 to cut the spring strip 10.

[0036] The working principle and use process of the utility model are as follows: when the spring processing and cutting device is used, the device is installed at a suitable position, the spring strip 10 is inserted into the conveying box 1, the motor 11 drives the rotating wheel 12 to rotate to convey the spring strip 10, and after the spring strip 10 is conveyed to a suitable position, the motor 11 is turned off, the hydraulic cylinder 4 is turned on to push the cutting knife 5 to move downward, and the cutting knife 5 cooperates with the cutting seat 6 to cut the spring strip 10. By setting the connecting component 2, when the cutting knife 5 is installed, the pull plate 26 is pulled to drive the slide bar 28 and the limit plate 27 to be fixed. The fixed cylinder 22 slides, the telescopic spring 29 is compressed, and then the plug post 23 at the upper end of the cutting knife 5 is inserted into the slot 24 of the fixing seat 21, and the pull plate 26 is released. The telescopic spring 29 is extended to push one end of the slide rod 28 into the clamping hole 25 of the plug post 23, so as to achieve the effect of limiting and fixing the plug post 23 and the cutting knife 5. The pull plate 26 is pulled to drive one end of the slide rod 28 to move out of the clamping hole 25 of the plug post 23, and the cutting knife 5 can be disassembled. By setting the connection component 2, it is convenient to quickly disassemble and replace the cutting knife 5, and by setting the protective component 2 10. When the pull plate 26 does not need to be pulled, the cover plate 2102 is pushed by the lever 2103, and the cover plate 2102 is rotated and closed on the fixed frame 2101. After the cover plate 2102 is closed, the magnetic strip 1 2104 on the cover plate 2102 is adsorbed with the magnetic strip 2 2105 at one end of the fixed frame 2101, so as to achieve the effect of adsorbing and fixing the cover plate 2102. By setting the protective component 210, the fixed cylinder 22 and the pull plate 26 can be sealed and protected to avoid the pull plate 26 from being pulled by mistake. By setting the positioning plate 9, the slide plate 13 is pushed on the fixed frame 2101 to prevent the slide plate 13 from being pulled by mistake. The slide plate 13 moves on the fixed rod 8, and the positioning plate 9 is driven to move by the connecting rod 14. The moving distance of the positioning plate 9 is known according to the scale 15 on the fixed rod 8. After the positioning plate 9 moves to a suitable position, the fixing bolt 16 is screwed to fix the slide plate 13, and then the spring bar 10 is conveyed. When one end of the spring bar 10 contacts the side of the positioning plate 9, the conveying of the spring bar 10 is stopped, and then the spring bar 10 can be cut. By setting the positioning plate 9, the cutting of the spring bar 10 can be positioned, thereby improving the length cutting accuracy of the spring bar 10.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spring processing and cutting device, comprising a transfer box, characterized in that: A sealing plate is provided at one end of the conveying box, a spring bar is provided in the conveying box, a motor is provided at a position corresponding to the spring bar at the rear end of the conveying box, a rotating wheel is provided at the output end of the motor, a horizontal plate is provided on the upper side of the end of the conveying box away from the sealing plate, a hydraulic cylinder is provided at the lower end of the horizontal plate, a cutting knife is provided at the lower side of the hydraulic cylinder, a cutting seat is provided at the lower side of the cutting knife, and the cutting knife and the hydraulic cylinder are connected by a connecting component.

2. A spring processing and cutting device according to claim 1, characterized in that: The connecting assembly includes a fixed seat, a fixed cylinder, a column, a slot, a clamping hole, a pull plate, a limit plate, a slide rod, a telescopic spring and a protective assembly, wherein a fixed seat is provided at the output end of the hydraulic cylinder, a column is provided at the upper end of the cutting knife, a slot corresponding to the column is provided at the lower end of the fixed seat, a fixed cylinder is provided at one end of the fixed seat, a slide rod is provided in the fixed cylinder, a pull plate is provided at one end of the slide rod, a limit plate is provided on the surface of the slide rod, a telescopic spring is provided on the surface of the slide rod between the limit plate and the fixed cylinder, a clamping hole corresponding to the slide rod is provided in the column, and a protective assembly is provided at a position corresponding to the fixed cylinder at one end of the fixed seat.

3. A spring processing and cutting device according to claim 2, characterized in that: The protective component includes a fixed frame, a cover plate, a lever, magnetic stripe 1 and magnetic stripe 2, wherein a fixed frame is arranged at a position corresponding to the fixed tube at one end of the fixed seat, a cover plate is connected to one end of the fixed frame through a hinge, a lever is arranged at one end of the cover plate, magnetic stripe 1 is arranged at one end of the cover plate, and magnetic stripe 2 is arranged at a position corresponding to the magnetic stripe 1 at one end of the fixed frame.

4. A spring processing and cutting device according to claim 2, characterized in that: The fixing seat and the fixing tube are both provided with sliding holes corresponding to the sliding rods. After the plug-in column enters the slot, the side edge of the plug-in column is in close contact with the inner wall of the slot.

5. A spring processing and cutting device according to claim 1, characterized in that: A fixing rod is arranged at a position corresponding to the spring bar at one end of the sealing plate, a sliding plate is slidably connected to the surface of the fixing rod, a fixing bolt is arranged at the upper end of the sliding plate, a connecting rod is arranged at the lower side of one end of the sliding plate away from the sealing plate, a positioning plate is arranged at the other end of the connecting rod, and a scale is arranged at the front end of the fixing rod.

6. A spring processing and cutting device according to claim 5, characterized in that: A limit seat is arranged at one end of the fixing rod away from the sealing plate, and a threaded hole corresponding to the fixing bolt is arranged at the upper end of the sliding plate.

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