Rotary cutting die capable of fully shearing

Abstract

The rotary cutting die comprises a male die and a base, the base is installed in the male die, three sets of supporting rods are installed at the top end of the base at equal intervals, a middle plate is arranged above the base, the middle plate is fixedly connected with the supporting rods, a movable plate is arranged above the middle plate, and the movable plate is fixedly connected with the supporting rods. A servo motor is installed at the bottom end of the middle plate, the servo motor is fixedly connected with the middle plate, a movable shaft is installed at the output end of the servo motor, a short arm is installed at the end, away from the servo motor, of the movable shaft, and a long arm is installed at the end, away from the movable shaft, of the short arm; a hinge shaft is installed at the end, close to the short arm, of the long arm. According to the utility model, not only can a workpiece be conveniently and elastically positioned and sheared and a swing gap be conveniently and movably adjusted, but also the workpiece can be conveniently pushed out and separated by reciprocating movement, and the convenience of workpiece separation and the speed and accuracy during rotary cutting are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary cutting dies, in particular to a rotary cutting die capable of fully shearing. Background Art

[0002] With the rapid development of science and technology, metal stamping parts are increasingly used in various industries, and the requirements for product quality and size are becoming more and more stringent. The traditional processing technology of some products can no longer meet the requirements, among which hardware stretching products are particularly prominent. During the stretching process, due to the anisotropy of the material, uneven thickness, inaccurate positioning or uneven gap between the stretching dies, the top of the pulled workpiece will be uneven. For parts that require flat and beautiful ends, it is necessary to add a trimming process. Simple trimming processing methods (flash of simple molds or trimming on lathes and spinning machines) cannot meet the tolerance requirements and have low work efficiency. The use of a rotary cutting mold with higher processing accuracy can achieve the desired effect. In order to better trim the parts, a rotary cutting mold that can fully shear is proposed.

[0003] For example, a rotary cutting mold disclosed in the authorization announcement number CN113617923B includes an upper mold, a lower mold, a rotary cutting assembly and a positioning assembly, the lower mold is used to carry a product connected to a material belt, the lower mold is arranged relative to the upper mold, the upper mold can approach or move away from the lower mold along a first direction, the upper mold is used to cooperate with the lower mold to clamp the material belt to achieve positioning of the product connected to the material belt in the first direction, the rotary cutting assembly is arranged on the side of the upper mold facing the lower mold, the rotary cutting assembly is used to rotary cut the material belt along a preset rotary cutting trajectory to separate the product from the material belt, the positioning assembly is connected to the rotary cutting assembly, the positioning assembly can move relative to the rotary cutting assembly in a second direction perpendicular to the first direction, and can cooperate with the positioning groove of the product to achieve positioning of the product in the second direction;

[0004] Although it is realized that since the positioning component can move relative to the peeling component along the second direction, the positioning component can always cooperate with the positioning groove of the product to maintain the positioning of the product in the second direction, which greatly improves the operation stability of the peeling mold;

[0005] However, the problem that the existing rotary cutting mold is not conducive to convenient elastic positioning and shearing of the workpiece and convenient movement and adjustment of the swing gap when in use, is not conducive to reciprocating movement and ejection of the workpiece, which affects the convenience of workpiece detachment and the speed and accuracy of rotary cutting. Utility Model Content

[0006] The purpose of the utility model is to provide a rotary cutting die capable of sufficient shearing, so as to solve the problem proposed in the above background technology that the rotary cutting die is not convenient for elastically positioning and shearing the workpiece and conveniently moving and adjusting the swing gap, which is not conducive to reciprocating movement and ejection of the workpiece, affecting the convenience of workpiece detachment and the speed and accuracy of rotary cutting.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary cutting mold capable of fully shearing, comprising a punch and a base, a base is installed inside the punch, three groups of support rods with equal intervals are installed on the top of the base, a middle plate is arranged above the base, and the middle plate is fixedly connected to the support rods, a movable plate is arranged above the middle plate, and the movable plate is slidably connected to the support rods, a servo motor is installed at the bottom end of the middle plate, and the servo motor is fixedly connected to the middle plate, a movable shaft is installed at the output end of the servo motor, a short arm is installed at the end of the movable shaft away from the servo motor, a long arm is installed at the end of the short arm away from the movable shaft, a hinge shaft is installed at the end of the long arm close to the short arm, and the long arm is movably connected to the short arm through the hinge shaft, a linkage shaft is installed at the top of the long arm, and the long arm is movably connected to the movable plate through the linkage shaft, an ejector rod is installed at the top of the movable plate, and the ejector rod extends to the outside of the punch, a sliding groove is installed at the bottom end of the middle plate on one side of the short arm, and the long arm is slidably connected to the sliding groove.

[0008] Preferably, a slider is provided below the punch, and a lower die seat is provided outside the slider.

[0009] Preferably, a support seat is installed at the top end of the lower mold seat, and a plurality of sets of tracks are arranged inside the support seat, and the tracks are slidably connected to the support seat, and the slider is slidably connected to the tracks.

[0010] Preferably, a concave die is arranged above the male die, and a plurality of sets of cutter heads are installed at the bottom end of the concave die.

[0011] Preferably, an upper die seat is installed at the top end of the concave die, an upper spring is installed inside the upper die seat, and a steel ball is installed at the bottom end of the upper spring.

[0012] Preferably, a lower spring is installed inside the lower die base, and the lower spring is fixedly connected to the lower die base.

[0013] Preferably, a movable positioning core is installed at the top end of the lower spring, and the movable positioning core is movably connected to the slider.

[0014] Preferably, an electric push rod is installed inside the support seat on one side of the track, and a push arm is installed at the output end of the electric push rod, and the push arm is connected to the track.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the rotary cutting mold not only realizes convenient elastic positioning and shearing of the workpiece and convenient movement and adjustment of the swing gap, which facilitates the reciprocating movement and ejection of the workpiece, but also improves the convenience of workpiece detachment and the speed and accuracy of rotary cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional explosion structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the concave mold of the utility model;

[0018] Figure 3 It is a front view cross-sectional structural schematic diagram of the lower die base of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the middle plate of the utility model;

[0020] Figure 5 It is a front view structural schematic diagram of the ejector rod of the utility model;

[0021] Figure 6 It is a front view cross-sectional structural schematic diagram of the upper die seat of the utility model.

[0022] In the figure: 1. lower die base; 2. support base; 3. track; 4. slider; 5. punch; 6. die; 7. upper die base; 8. lower spring; 9. movable positioning core; 10. electric push rod; 11. push arm; 12. base; 13. support rod; 14. servo motor; 15. movable shaft; 16. short arm; 17. hinge shaft; 18. long arm; 19. linkage shaft; 20. moving plate; 21. ejector rod; 22. sliding groove; 23. steel ball; 24. upper spring; 25. cutter head; 26. middle plate. DETAILED DESCRIPTION

[0023] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0024] See also Figure 1-6The utility model provides an embodiment: a fully shearing rotary cutting mold, including a punch 5 and a base 12, the punch 5 is installed with the base 12 inside, the top of the base 12 is installed with three groups of support rods 13 with equal spacing, a middle plate 26 is arranged above the base 12, and the middle plate 26 is fixedly connected to the support rods 13, a movable plate 20 is arranged above the middle plate 26, and the movable plate 20 is slidably connected to the support rods 13, a servo motor 14 is installed at the bottom end of the middle plate 26, the servo motor 14 plays a role of power drive, and the servo motor 14 is fixedly connected to the middle plate 26, and the output end of the servo motor 14 is installed with a movable plate A movable shaft 15, a short arm 16 is installed at one end of the movable shaft 15 away from the servo motor 14, a long arm 18 is installed at one end of the short arm 16 away from the movable shaft 15, a hinge shaft 17 is installed at one end of the long arm 18 close to the short arm 16, and the long arm 18 is movably connected with the short arm 16 through the hinge shaft 17, a linkage shaft 19 is installed at the top of the long arm 18, and the long arm 18 is movably connected with the movable plate 20 through the linkage shaft 19, an ejector rod 21 is installed at the top of the movable plate 20, and the ejector rod 21 extends to the outside of the punch 5, a sliding groove 22 is installed at the bottom end of the middle plate 26 on one side of the short arm 16, and the long arm 18 is slidably connected with the sliding groove 22;

[0025] First, the servo motor 14 and the electric push rod 10 inside the equipment are connected to the external controller and the external circuit, and then the upper die base 7 and the lower die base 1 are installed at the corresponding positions of the punching machine respectively, and the workpiece is placed above the punch 5. The punching machine is operated to punch and shear the punch 5. The upper die base 7 drives the die 6 to trim the workpiece. Under the elastic support of the upper spring 24, the upper spring 24 drives the steel ball 23 to press the workpiece. At the same time, the punch 5 drives the slider 4 to move downward, and the slider 4 drives the movable positioning core 9 to move downward. Under the elastic support of the lower spring 8, the slider 4 swings back and forth and left and right inside the multiple sets of tracks 3 to complete the full-circle rotary cutting of the aluminum shell mouth and the complete incision. At the same time, the steel ball and spring complete the post-cutting positioning, and the rotary cutting is completed. After completion, the punching machine drives the die 6 away from the punch 5, and turns on the servo motor 14 through external control. The servo motor 14 drives the movable shaft 15 to rotate, and the movable shaft 15 drives the short arm 16 to rotate. The short arm 16 drives the long arm 18 to rotate through the hinge shaft 17. The long arm 18 slides inside the sliding groove 22, and the long arm 18 drives the moving plate 20 to reciprocate on the support rod 13 through the linkage shaft 19. The support rod 13 provides active support for the moving plate 20, and the moving plate 20 drives the ejection rod 21 to reciprocate, and the ejection rod 21 ejects the workpiece, so that the workpiece and the punch 5 are quickly separated, realizing the convenient elastic positioning and shearing of the workpiece by the rotary cutting mold, facilitating the reciprocating ejection of the workpiece, and improving the convenience of workpiece separation;

[0026] A slider 4 is provided below the punch 5, a lower die base 1 is provided outside the slider 4, a support base 2 is installed on the top of the lower die base 1, a plurality of rails 3 are provided inside the support base 2, and the rails 3 are slidably connected to the support base 2, and the slider 4 is slidably connected to the rails 3;

[0027] A die 6 is disposed above the male die 5, and a plurality of sets of cutter heads 25 are installed at the bottom end of the die 6;

[0028] An upper die seat 7 is installed at the top of the concave die 6, an upper spring 24 is installed inside the upper die seat 7, a steel ball 23 is installed at the bottom of the upper spring 24, a lower spring 8 is installed inside the lower die seat 1, and the lower spring 8 is fixedly connected to the lower die seat 1;

[0029] A movable positioning core 9 is installed at the top of the lower spring 8, and the movable positioning core 9 is movably connected to the slider 4. An electric push rod 10 is installed inside the support seat 2 on one side of the track 3. The electric push rod 10 plays a role of power drive. A push arm 11 is installed at the output end of the electric push rod 10, and the push arm 11 is connected to the track 3.

[0030] The electric push rod 10 is opened through external control, and the push rod 10 drives the push arm 11 to move. Under the sliding support of the support seat 2, the push arm 11 drives the track 3 to move, so as to adjust the relative distance between the multiple groups of tracks 3, to adjust the gap between the multiple groups of tracks 3, to reduce the swing gap of the guide rail, and to make the slider 4 swing left and right and back and forth following the track 3, so as to improve the speed and accuracy of peeling, realize the convenient movement and adjustment of the swing gap of the peeling mold, and improve the speed and accuracy of peeling.

[0031] Working principle: First, the servo motor 14 and the electric push rod 10 inside the equipment are connected to the external controller and the external circuit, and then the upper die seat 7 and the lower die seat 1 are installed at the corresponding positions of the punching machine respectively, and the workpiece is placed above the punch 5. The punching machine is operated to punch and shear the punch 5, and the upper die seat 7 drives the die 6 to trim the workpiece. Under the elastic support of the upper spring 24, the upper spring 24 drives the steel ball 23 to press the workpiece, and at the same time, the punch 5 drives the slider 4 to move downward, and the slider 4 drives the movable positioning core 9 to move downward. Under the elastic support of the lower spring 8, the slider 4 swings back and forth and left and right inside the multiple sets of tracks 3 to complete the full-circle rotary cutting of the aluminum shell mouth and the incision is complete. At the same time, the steel ball and spring complete the post-cutting positioning. After the rotary cutting is completed, the punching machine drives the die 6 away from the punch 5, and the servo motor 14 is turned on by external control. The servo motor 14 drives the movable shaft 15 to rotate. The movable shaft 15 drives the short arm 16 to rotate, and the short arm 16 drives the long arm 18 to rotate through the hinge shaft 17. The long arm 18 slides inside the sliding groove 22, and the long arm 18 drives the movable plate 20 to reciprocate on the support rod 13 through the linkage shaft 19. The support rod 13 provides movable support for the movable plate 20, and the movable plate 20 drives the ejector rod 21 to reciprocate, and the ejector rod 21 ejects the workpiece to quickly separate the workpiece and the punch 5. The electric push rod 10 is opened through external control, and the electric push rod 10 drives the push arm 11 to move. Under the sliding support of the support seat 2, the push arm 11 drives the track 3 to move, to adjust the relative distance between the multiple groups of tracks 3, to adjust the gap between the multiple groups of tracks 3, to reduce the swing gap of the guide rail, to make the slider 4 follow the track 3 to swing left and right, front and back, to improve the speed and accuracy of peeling, and to complete the use of the peeling mold that can fully shear.

[0032] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A rotary cutting die capable of fully shearing, comprising a punch (5) and a base (12), characterized in that: A base (12) is installed inside the male mold (5), and three groups of support rods (13) with equal spacing are installed on the top of the base (12). A middle plate (26) is arranged above the base (12), and the middle plate (26) is fixedly connected to the support rods (13). A movable plate (20) is arranged above the middle plate (26), and the movable plate (20) is slidably connected to the support rods (13). A servo motor (14) is installed at the bottom end of the middle plate (26), and the servo motor (14) is fixedly connected to the middle plate (26). A movable shaft (15) is installed at the output end of the servo motor (14), and a short arm (16) is installed at the end of the movable shaft (15) away from the servo motor (14). The short arm (16) is provided with a long arm (18) at one end away from the movable shaft (15), and the long arm (18) is provided with a hinge shaft (17) at one end close to the short arm (16), and the long arm (18) is movably connected to the short arm (16) through the hinge shaft (17), and the top end of the long arm (18) is provided with a linkage shaft (19), and the long arm (18) is movably connected to the movable plate (20) through the linkage shaft (19), and the top end of the movable plate (20) is provided with an ejector rod (21), and the ejector rod (21) extends to the outside of the punch (5), and the bottom end of the middle plate (26) on one side of the short arm (16) is provided with a sliding groove (22), and the long arm (18) is slidably connected to the sliding groove (22).

2. A rotary cutting die capable of fully shearing according to claim 1, characterized in that: A slider (4) is arranged below the male die (5), and a lower die seat (1) is arranged outside the slider (4).

3. A rotary cutting die capable of fully shearing according to claim 2, characterized in that: A support base (2) is installed at the top end of the lower mold base (1), and a plurality of rails (3) are arranged inside the support base (2), and the rails (3) are slidably connected to the support base (2), and the slider (4) is slidably connected to the rails (3).

4. A fully shearing rotary cutting die according to claim 1, characterized in that: A concave die (6) is arranged above the convex die (5), and a plurality of groups of cutter heads (25) are installed at the bottom end of the concave die (6).

5. A fully shearing rotary cutting die according to claim 4, characterized in that: An upper die seat (7) is installed at the top end of the concave die (6), an upper spring (24) is installed inside the upper die seat (7), and a steel ball (23) is installed at the bottom end of the upper spring (24).

6. A fully shearing rotary cutting die according to claim 2, characterized in that: A lower spring (8) is installed inside the lower die base (1), and the lower spring (8) is fixedly connected to the lower die base (1).

7. A fully shearing rotary cutting die according to claim 6, characterized in that: A movable positioning core (9) is installed at the top end of the lower spring (8), and the movable positioning core (9) is movably connected to the slider (4).

8. The rotary cutting die capable of fully shearing according to claim 3, characterized in that: An electric push rod (10) is installed inside the support seat (2) on one side of the track (3), and a push arm (11) is installed at the output end of the electric push rod (10), and the push arm (11) is connected to the track (3).

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