Shearing tool apron of spring machine

Abstract

The utility model relates to the field of spring machines, in particular to a shearing tool apron of a spring machine. The shearing tool apron of the spring machine comprises a spring machine body, cutters, a switching mechanism and a fixing mechanism, the top end of the spring machine body is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a sliding block, a tool apron is installed on one side of the sliding block, inserting holes are formed in the tool apron at equal intervals, and the cutters are inserted into the inner walls of the inserting holes. By means of the innovative design of the switching mechanism, rapid switching of the cutters is achieved, the cutters of different specifications can be replaced without shutdown, and therefore replacement time is greatly shortened, the continuous operation capacity and the overall production efficiency of a production line are improved, the fixing mechanism is simple and effective in design, and production cost is reduced. The cutter can be firmly fixed by rotating the fixing worm, a complex bolt fixing mode is not needed, and the maintenance difficulty and cost are reduced. Meanwhile, due to the primary fixing effect of the magnet, the risk that the cutter is damaged due to misoperation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring machine field especially relates to a spring machine's cutting tool rest. BACKGROUND

[0002] In the spring machine processing field, the traditional cutting tool rest design often faces the problem of complex fixing mode. These tool rests are usually fastened by multiple bolts, and the installation process is tedious and time-consuming. When it is necessary to carry out post-maintenance or replace the tool rest, the workers need to disassemble these bolts one by one, which not only increases the workload but also may cause damage due to improper operation. This complex fixing mode not only reduces production efficiency but also increases the operating cost of enterprises.

[0003] In addition, the cutting tool rest of the traditional spring machine also has obvious deficiencies in quantity and flexibility. Many spring machines are only equipped with a single tool rest, and once this tool rest is damaged or needs to be replaced to adapt to the production of springs of different specifications, the entire production line must be temporarily suspended.

[0004] Therefore, it is necessary to provide a new cutting tool rest for a spring machine to solve the above technical problems. SUMMARY

[0005] To solve the above technical problems, the utility model provides a cutting tool rest for a spring machine.

[0006] The cutting tool rest for a spring machine provided by the utility model comprises a spring machine body, a cutting tool, a switching mechanism and a fixing mechanism, the top end of the spring machine body is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a sliding block, one side of the sliding block is installed with a tool rest, a plurality of insertion holes are equidistantly formed on the tool rest, a cutting tool is inserted into the inner wall of each insertion hole, the switching mechanism is installed between the sliding block and the tool rest, and the fixing mechanism is arranged in the tool rest.

[0007] Preferably, the switching mechanism comprises a motor, a switching worm gear, a switching worm, a sector gear, a driven gear, a spring, a sliding plate, a limiting ball and a clamping groove, one side of the sliding block is fixedly connected with the motor, the sliding block is rotatably connected with the switching worm gear inside, the output end of the motor is fixedly connected with the switching worm, the switching worm gear is connected with the switching worm in meshing mode, one side of the switching worm gear close to the tool rest is fixedly connected with the sector gear, the shaft center of one side of the tool rest is fixedly connected with the driven gear, the sector gear and the driven gear are intermittently connected in meshing mode, a recess is formed on one side of the sliding block, the inner wall of the recess is fixedly connected with the spring, one end of the spring is fixedly connected with the sliding plate, one side of the sliding plate is fixedly connected with the limiting ball, a plurality of clamping grooves are equidistantly formed on one side of the tool rest close to the driven gear, and the limiting ball is clamped with the clamping groove.

[0008] Preferably, the fixing mechanism comprises: a limiting groove, a fixed worm gear, a fixed worm and a push rod, a limiting groove is arranged on one side of each of the plurality of cutters, the inner wall of the cutter holder is rotationally connected with the fixed worm gear, the inner wall of the cutter holder is rotationally connected with the fixed worm, the fixed worm gear is meshingly connected with the fixed worm, a push rod is fixedly connected on one side of the fixed worm gear at equal intervals, and the push rod is inserted into the limiting groove.

[0009] Preferably, one end of the fixed worm extends out of the cutter holder and is provided with an internal hexagonal groove.

[0010] Preferably, one rotation of the motor drives the sector gear, the driven gear and the cutter holder to rotate by 120 degrees.

[0011] Preferably, the inner wall of the jack is fixedly connected with a magnet, and the magnet is used for adsorbing one side of the cutter.

[0012] Preferably, the side of the spring machine body is provided with a guide wheel.

[0013] Compared with the related art, the shear cutter holder of the spring machine has the following beneficial effects:

[0014] Improve production efficiency: through the innovative design of the switching mechanism, the quick switching of the cutter is realized, different specifications of cutters can be replaced without stopping, thereby greatly shortening the replacement time and improving the continuous operation capacity and overall production efficiency of the production line.

[0015] Reduce maintenance cost: the fixing mechanism adopts a simple and effective design, the cutter can be firmly fixed by rotating the fixed worm, without the need for complex bolt fixing method, thereby reducing the maintenance difficulty and cost. Meanwhile, the preliminary fixing effect of the magnet also reduces the risk of cutter damage caused by improper operation.

[0016] Enhance flexibility: the shear cutter holder of the present application supports the quick switching of multiple groups of cutters, so that the spring machine can easily adapt to the production needs of springs of different specifications and types, thereby improving the flexibility and diversity of the production line. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of the shear cutter holder of the spring machine provided by the present application is shown in the figure;

[0018] Figure 2 The structure diagram of the switching mechanism is shown in the figure; Figure 1 The structure diagram of the sliding block and the groove is shown in the figure;

[0019] Figure 3 The structure diagram of the switching mechanism is shown in the figure; Figure 1 The structure diagram of the cutter holder is shown in the figure;

[0020] Figure 4 The structure diagram of the cutter holder is shown in the figure; Figure 1 The structure diagram of the cutter holder is shown in the figure;

[0021] Figure 5 For Figure 1 The structural diagram of the fixing mechanism is shown.

[0022] The figure label: 1, spring machine body; 2, electric push rod; 3, sliding block; 4, tool holder; 5, cutter; 6, insertion hole; 7, internal hexagonal groove; 8, switching mechanism; 9, fixing mechanism; 10, guide wheel; 81, motor; 82, switching worm wheel; 83, switching worm; 84, sector gear; 85, driven gear; 86, spring; 87, sliding plate; 88, limiting ball; 89, clamping groove; 91, limiting groove; 92, fixed worm wheel; 93, fixed worm; 94, push column. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be combined with the drawings and examples to make further detailed description of the utility model. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0024] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0025] Please refer to Figures 1-5 A spring machine's shearing tool holder, the spring machine's shearing tool holder includes: spring machine body 1, cutter 5, switching mechanism 8 and fixing mechanism 9, the top end of spring machine body 1 is fixedly connected with electric push rod 2, the output end of electric push rod 2 is fixedly connected with sliding block 3, one side of sliding block 3 is installed with tool holder 4, and insertion hole 6 is equally set on tool holder 4, cutter 5 is inserted in the inner wall of several insertion holes 6, switching mechanism 8 is installed between sliding block 3 and tool holder 4, tool holder 4 is internally provided with fixing mechanism 9, the inner wall of insertion hole 6 is fixedly connected with magnet, magnet is used to adsorb one side of cutter 5, and one side of spring machine body 1 is installed with guide wheel 10.

[0026] Please refer to Figures 2-3The switching mechanism 8 comprises a motor 81, a switching worm wheel 82, a switching worm 83, a sector gear 84, a driven gear 85, a spring 86, a sliding plate 87, a limiting ball 88 and a clamping groove 89, one side of the sliding block 3 is fixedly connected with the motor 81, the inside of the sliding block 3 is rotatably connected with the switching worm wheel 82, the output of the motor 81 is fixedly connected with the switching worm 83, the switching worm wheel 82 is meshingly connected with the switching worm 83, one side of the switching worm wheel 82 close to the tool holder 4 is fixedly connected with the sector gear 84, one side of the tool holder 4 is fixedly connected with the driven gear 85, the sector gear 84 is intermittently meshingly connected with the driven gear 85, a recess is formed in one side of the sliding block 3, the spring 86 is fixedly connected with the sliding plate 87, one side of the sliding plate 87 is fixedly connected with the limiting ball 88, a clamping groove 89 is formed in the tool holder 4 close to the driven gear 85 at equal intervals, the limiting ball 88 is clamped with the clamping groove 89, and one rotation of the motor 81 drives the sector gear 84 to drive the driven gear 85 and the tool holder 4 to rotate by 120 degrees.

[0027] Please refer to Figure 5 The fixing mechanism 9 comprises a limiting groove 91, a fixing worm wheel 92, a fixing worm 93 and a pushing column 94, the limiting groove 91 is formed in the side of the cutter 5 close to each other, the fixing worm wheel 92 is rotatably connected to the inner wall of the tool holder 4, the fixing worm 93 is rotatably connected to the inner wall of the tool holder 4, the fixing worm wheel 92 is meshingly connected with the fixing worm 93, the pushing column 94 is fixedly connected to one side of the fixing worm wheel 92 at equal intervals, the pushing column 94 is inserted into the limiting groove 91, and one end of the fixing worm 93 extends out of the tool holder 4 and is provided with the internal hexagonal recess 7.

[0028] The working principle of the shearing tool holder of the spring machine is as follows:

[0029] The working principle of the switching mechanism is as follows:

[0030] When it is required to switch different cutters for shearing operation, the motor 81 is started to drive the switching worm 83 to rotate;

[0031] The switching worm 83 is meshed with the switching worm wheel 82 to drive the switching worm wheel 82 and the sector gear 84 fixedly connected to the switching worm wheel 82 to rotate;

[0032] The sector gear 84 is intermittently meshed with the driven gear 85 on the tool holder 4, and the driven gear 85 and the whole tool holder 4 will rotate by a certain angle, for example, 120 degrees, with the rotation of the sector gear 84, so that the switching of the cutter is realized;

[0033] During the switching process, the sliding plate 87 keeps in contact with the tool holder 4 under the action of the spring 86, and the stability and accuracy of the tool holder 4 in the rotating process are ensured through the clamping of the limiting ball 88 and the clamping groove 89;

[0034] The working principle of the fixing mechanism is as follows:

[0035] When the cutter 5 is inserted into the insertion hole 6, the magnet will attract one side of the cutter 5 to provide a preliminary fixing force;

[0036] Meanwhile, the fixed worm 93 is rotated by rotating the inner hexagonal wrench or the like through the inner hexagonal recess 7 to drive the fixed worm wheel 92 to rotate;

[0037] The push rod 94 on the fixed worm wheel 92 is rotated and inserted into the limiting groove 91 on the cutter 5 to achieve firm fixing of the cutter.

[0038] This fixing method is not only simple and fast, but also can ensure the stability and precision of the cutter during shearing.

[0039] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A shear tool holder for a spring machine, characterized by, The utility model relates to a spring machine, which comprises a spring machine body (1), an electric push rod (2) fixedly connected to the top end of the spring machine body (1), a sliding block (3) fixedly connected to the output end of the electric push rod (2), a cutter seat (4) installed on one side of the sliding block (3), a cutter (5), a plurality of insertion holes (6) equidistantly formed on the cutter seat (4), and a magnet fixedly connected to the inner wall of each insertion hole (6) for attracting the cutter (5) on one side. A switching mechanism (8) is installed between the sliding block (3) and the cutter seat (4). A fixing mechanism (9) is arranged in the cutter seat (4). The switching mechanism (8) comprises a motor (81), a switching worm wheel (82), a switching worm (83), a sector gear (84), a driven gear (85), a spring (86), a sliding plate (87), a limiting ball (88), and a clamping groove (89). The fixing mechanism (9) comprises a limiting groove (91), a fixing worm wheel (92), a fixing worm (93), and a pushing column (94).

2. The shear tool holder of claim 1, wherein, One end of the fixing worm (93) extends out of the cutter seat (4) and is provided with an internal hexagonal recess (7).

3. The shear tool holder of claim 1, wherein, One rotation of the motor (81) drives the sector gear (84) to rotate the driven gear (85) and the cutter seat (4) by 120 degrees.

4. The shear tool holder of claim 3, wherein, The magnet is used for attracting the cutter (5) on one side.

5. The shear tool holder of claim 2, wherein, A guide wheel (10) is installed on one side of the spring machine body (1).

6. The shear tool holder of claim 1, wherein, ​ 7. The shear tool holder of claim 1, wherein, ​

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