Linear reciprocating driving member, swing mechanism and punch

Abstract

The application discloses a linear reciprocating driving piece, a swing mechanism and a punch, and relates to the technical field of punch machines. The linear reciprocating driving piece comprises a rotating driving piece, a driving wheel, a sliding seat and a sliding block, the sliding block is arranged on the sliding seat and slides in the front-rear direction, the rotating driving piece is arranged on the left side or the right side of the sliding seat in the left-right direction, the driving end of the rotating driving piece faces the sliding seat, the driving wheel is coaxially fixedly installed on the driving end of the rotating driving piece, an eccentric groove in the shape of an oval ring is arranged on one side of the driving wheel close to the sliding seat, a first extrusion column protruding into the groove is arranged on one side of the sliding block close to the driving wheel, and the rotating driving piece is used to drive the driving wheel to rotate and drive the sliding block to reciprocatingly slide on the sliding seat in the front-rear direction through the first extrusion column. In this way, the driving wheel and the first extrusion column can convert the rotary motion of the rotating driving piece into the linear reciprocating motion of the sliding block, and the speed of the sliding block when advancing and retreating is different.

Description

Technical Field

[0001] This invention belongs to the field of punch press technology, and particularly relates to a linear reciprocating drive, a swing mechanism, and a punch press. Background Technology

[0002] Punch presses are the core equipment for metal sheet stamping. During the stamping process, a large amount of scrap material is generated. If the scrap material is not discharged in time, it will easily accumulate around the mold, which will not only affect the processing accuracy of the stamped parts, but may also cause the mold to jam, be damaged, or even cause safety accidents.

[0003] Existing waste removal methods for punch presses mostly involve manual cleaning, fixed guide trough waste removal, or simple scraper waste removal, which have many drawbacks: manual cleaning is inefficient, labor-intensive, and requires machine downtime, affecting continuous production efficiency, while also posing a safety risk of hands getting caught in the mold; fixed guide troughs rely solely on the gravity of the waste material to slide down, which can easily clog irregular or lightweight waste materials; simple scrapers are mostly fixed structures, with limited waste removal range, unable to adapt to waste materials of different sizes, and have poor waste removal effect.

[0004] Although there are some automatic waste removal devices, most of them adopt linear push or roller conveyor structures, which are complex, occupy a lot of space, and have poor adaptability. In particular, nowadays, in order to reduce costs and increase efficiency and shorten processes, factories use a lot of progressive dies, resulting in a lot of waste from continuous punching. Summary of the Invention

[0005] In order to solve the above-mentioned technical problems, one of the objectives of the present invention is to provide a linear reciprocating drive with a simple structure that can convert rotational motion into linear reciprocating motion.

[0006] To achieve the above objectives, the technical solution of the present invention is as follows: A linear reciprocating drive includes a rotary drive, a drive wheel, a slide block, and a slider. The slider is slidably disposed on the slide block in a front-to-back direction. The rotary drive is disposed on the left or right side of the slide block in a left-to-right direction, with its drive end facing upwards towards the slide block. The drive wheel is coaxially and fixedly mounted on the drive end of the rotary drive. An elliptical groove is eccentrically recessed on the side of the drive wheel near the slide block. A first extrusion post protrudes into the groove on the side of the slider near the drive wheel. The rotary drive drives the drive wheel to rotate and, through the first extrusion post, drives the slider to reciprocate on the slide block in a front-to-back direction.

[0007] The beneficial effect of the above technical solution of the present invention is that the drive wheel and the first extrusion column can cooperate to convert the rotational motion of the rotating drive component into the linear reciprocating motion of the slider, and the slider moves forward and backward at different speeds.

[0008] Based on the above technical solution, the present invention can be further improved as follows: Furthermore, the cross-section of the first extrusion column is circular, and the radial width of the groove is greater than the diameter of the first extrusion column.

[0009] The beneficial effect of the above-mentioned further technical solution is that the friction between the first extrusion column and the groove wall is small when the first extrusion column moves relative to the groove, so that the slider moves back and forth more smoothly.

[0010] Furthermore, the axis of the drive wheel is at the same height as the axis of the first extrusion column.

[0011] The beneficial effect of the above-mentioned further technical solution is that it maximizes the range of sliding of the slider in the front-back direction.

[0012] Furthermore, the drive wheel has an elliptical groove recessed in the middle, and an elliptical protrusion protruding in the middle, with the protrusion coinciding with the center of the groove, and their major and minor axes coinciding respectively. The center of the drive wheel is located on the major axis of the protrusion, and the protrusion isolates the sliding groove within the groove. The connection between the drive end of the rotation drive member and the drive wheel is located on the protrusion.

[0013] The beneficial effect of the above-mentioned further technical solution is that the width of the groove can be kept consistent in the circumferential direction, and the axis of the drive wheel is located inside the ring of the groove, so that when the drive wheel rotates coaxially, it can drive the slider to move in the front-back direction through the first extrusion column.

[0014] Furthermore, there are two slide blocks, which are spaced apart in the front-to-back direction. The upper ends of the two slide blocks are provided with a first sliding hole that passes through from front to back, and the two first sliding holes are aligned front to back. The slider is straight and is arranged in the front-to-back direction. The two ends of the slider slide through the two first sliding holes respectively. The first extrusion column is located in the middle between the two slide blocks.

[0015] The beneficial effects of the above-mentioned further technical solution are: this makes the slider stable when sliding on the two slide blocks and not easy to get stuck, while the first extrusion column can prevent the slider from falling off the two slide blocks.

[0016] The second objective of this invention is to provide a swing mechanism that can drive a swing arm to swing stably in a periodic manner.

[0017] To achieve the above objectives, the technical solution of the present invention is as follows: A swing mechanism includes a rotating shaft, a swing arm, and a linear reciprocating drive as described above. The rotating shaft is disposed below the slider in a left-right direction and can rotate relative to the slide block. The swing arm is vertically disposed on the side of the slide block away from the rotating drive, and the lower end of the swing arm is perpendicularly connected to the rotating shaft. A second extrusion post protrudes from the side of the slider away from the first extrusion post. The second extrusion post extends to be movably connected to the middle of the swing arm. The slider slides back and forth under the drive of the rotating drive and drives the swing arm to swing back and forth through the second extrusion post.

[0018] The beneficial effects of the above-mentioned technical solution of the present invention are as follows: the linear reciprocating drive can drive the swing arm to swing back and forth with the axis of the rotating shaft as a reference when running, and the swing speed of the swing arm when swinging forward and backward is different. The second extrusion column is movably connected to the swing arm to provide a range of motion for both.

[0019] Based on the above technical solution, the present invention can be further improved as follows: Furthermore, the swing arm is provided in multiple forms, and the multiple swing arms are parallel to each other and distributed at intervals along the left and right direction on the rotating shaft. At least one swing arm is located on the side of the slide away from the rotating drive member, and the swing arm that is movably connected to the second extrusion column is close to the slide. The linear reciprocating drive member is used to drive the multiple swing arms to rotate synchronously.

[0020] The beneficial effect of the above-mentioned further technical solution is that it enables multiple swing arms to swing synchronously, and only one swing arm needs to be movably connected to the second extrusion column.

[0021] Furthermore, a straight second sliding hole is provided vertically along the upper edge of the swing arm that is movably connected to the second extrusion column. The second extrusion column extends into the second sliding hole to be movably connected to the corresponding swing arm, or a sliding body is provided in the second sliding hole. The second extrusion column is rotatably connected to the sliding body and is slidably connected to the corresponding swing arm through the sliding body.

[0022] The beneficial effect of the above-mentioned further technical solution is that it makes the connection between the second extrusion column and the swing arm more reliable.

[0023] Furthermore, it also includes a strip-shaped base, which is horizontally arranged in the left-right direction, the linear reciprocating drive is disposed on the base, and the rotating shaft is rotatably mounted on the base.

[0024] The beneficial effect of the above-mentioned further technical solution is that the entire slide and the rotating shaft can be set on the base, thereby making the entire swing mechanism operate more stably.

[0025] The third objective of this invention is to provide a punch press with a simple structure and automatic material feeding capability.

[0026] To achieve the above objectives, the technical solution of the present invention is as follows: A punch press includes a frame, a die, a guide trough, and a swing mechanism as described above. The frame is arranged in a left-right direction, the die is mounted on the frame, and the frame has a through-flow unloading channel located below the die. The guide trough is straight and arranged in a front-back direction. The guide trough passes through the unloading channel and rests on the frame. The guide trough is located above a swing arm, and the upper end of the swing arm is rotatably connected to the lower end of the guide trough. The guide trough is used to receive scrap and / or main material punched down by the die. The swing mechanism is used to drive the guide trough to reciprocate in a front-back direction to discharge the scrap and / or main material received in the guide trough from one end of the guide trough.

[0027] The beneficial effect of the above-mentioned technical solution of the present invention is that the scrap and / or main material stamped out of the base material by the stamping die can fall onto the guide groove and finally be discharged from one end by the guide groove. Attached Figure Description

[0028] Figure 1 This is a partial sectional view of the linear reciprocating drive component described in Embodiment 1 of the present invention from a top view. Figure 2 This is a partial sectional view of the linear reciprocating drive component in the side view state according to Embodiment 1 of the present invention; Figure 3 This is a schematic diagram of the structure of the drive wheel with a groove recessed on one side in Embodiment 1 of the present invention; Figure 4 This is one of the schematic diagrams showing the cooperation between the drive wheel and the slider in Embodiment 1 of the present invention; Figure 5 This is a second schematic diagram of the cooperation between the drive wheel and the slider as described in Embodiment 1 of the present invention; Figure 6 This is the third schematic diagram of the cooperation between the drive wheel and the slider in Embodiment 1 of the present invention; Figure 7 This is the fourth schematic diagram of the cooperation between the drive wheel and the slider in Embodiment 1 of the present invention; Figure 8 This is a side view of the swing mechanism described in Embodiment 2 of the present invention. Figure 9 This is a top view of the swing mechanism described in Embodiment 2 of the present invention without a cover. Figure 10 This is a top view of the swing mechanism with a cover as described in Embodiment 2 of the present invention; Figure 11 These are the two states of the swing arm of the swing mechanism described in Embodiment 2 of the present invention when it swings back and forth; Figure 12 This is one of the schematic diagrams showing the movable connection between the swing arm and the second extrusion column in Embodiment 2 of the present invention; Figure 13 This is a second schematic diagram showing the movable connection between the swing arm and the second extrusion column in Embodiment 2 of the present invention; Figure 14 This is a top view of the machine tool described in Embodiment 3 of the present invention; Figure 15 This is a side view of the machine tool described in Embodiment 3 of the present invention; Figure 16 This is a side view of the swing mechanism described in Embodiment 3 of the present invention.

[0029] In the diagram: 1. Swinging mechanism; 11. Linear reciprocating drive; 111. Rotary drive; 1111. Drive shaft; 112. Drive wheel; 1121. Slide groove; 1122. Groove; 1123. Protrusion; 113. Slide block; 1131. First sliding hole; 114. Slider; 1141. First extrusion column; 1142. Second extrusion column; 12. Rotating shaft; 13. Swing arm; 131. Second sliding hole; 132. Sliding body; 14. Base; 15. Cover; 151. Perforation; 16. Crossbeam; 17. Bearing seat; 2. Frame; 21. Material discharge channel; 3. Die; 4. Guide chute; 5. Collection box. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0031] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0032] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this technology based on the specific circumstances.

[0033] In the description of this application, spatial relation terms such as "below," "under," "below," "below," "above," "over," etc., are used herein to describe the relationship between one element or feature shown in the figures and other elements or features. It should be understood that, in addition to the orientation shown in the figures, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figures is flipped, an element or feature described as "below" or "under" or "below" of other elements or features will be oriented "above" other elements or features. Therefore, the exemplary terms "below" and "under" can include both upper and lower orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein are interpreted accordingly.

[0034] In the description of this application, the term "for example" is used to mean "used as an example, illustration, or description." Any embodiment described as "for example" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to make and use the invention. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that the invention can be made without using these specific details. In other instances, well-known structures and processes will not be described in detail to avoid obscuring the description of the invention with unnecessary detail. Therefore, the invention is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0035] Example 1 like Figures 1-3As shown, this embodiment provides a linear reciprocating drive 11, including a rotary drive 111, a drive wheel 112, a slide block 113, and a slider 114. The slider 114 is slidably disposed on the slide block 113 in the front-back direction. The rotary drive 111 is disposed on the left or right side of the slide block 113 in the left-right direction, with its drive end facing upwards towards the slide block 113. The drive wheel 112 is coaxially fixedly mounted on the drive end of the rotary drive 111. The drive wheel 112 has an eccentrically recessed elliptical groove 1121 on the side near the slide block 113. The slider 114 has a protruding first pressing post 1141 on the side near the drive wheel 112 that extends into the groove 1121. The rotary drive 111 drives the drive wheel 112 to rotate and drives the slider 114 to reciprocate on the slide block 113 in the front-back direction via the first pressing post 1141. This allows the drive wheel 112 to cooperate with the first pressing column 1141 to convert the rotational motion of the rotating drive member 111 into the linear reciprocating motion of the slider 114, and the slider 114 moves forward and backward at different speeds.

[0036] like Figures 4-7 As shown, in this embodiment, the cross-section of the first extrusion column 1141 is circular (in this case, the first extrusion column 1141 is a round rod), and the radial width of the groove 1121 is slightly larger than the diameter of the first extrusion column 1141. This reduces the friction between the first extrusion column and the groove wall of the groove 1121 when the first extrusion column moves relative to the groove 1121, thus making the reciprocating movement of the slider 114 smoother.

[0037] like Figure 1 , Figures 4-7 As shown, since the diameter of the first extrusion column 1141 is smaller than the radial width of the slide groove 1121, in this embodiment, when the first extrusion column 1141 moves forward, it abuts against the outer wall of the slide groove 1121 (i.e., the first extrusion column 1141 moves forward under the extrusion of the outer wall of the slide groove 1121). When the first extrusion column 1141 moves backward, it abuts against the inner wall of the slide groove 1121 (i.e., the first extrusion column 1141 moves backward under the extrusion of the inner wall of the slide groove 1121). Since the circumference of the outer wall of the slide groove 1121 is greater than the circumference of the inner wall of the slide groove 1121, when the rotation speed of the drive wheel 112 remains constant, the forward movement speed of the slider 114 is less than the backward retraction speed of the slider 114.

[0038] In this embodiment, the rotation drive 111 is a motor, which makes it compact. In this embodiment, the rotation drive 111 can be a variable frequency motor or a servo motor. In this case, the rotation drive 111 can be precisely speed-regulated and its rotation speed is stable. The drive shaft 1111 of the rotation drive 111 is its drive end and is coaxially and fixedly connected to the drive wheel 112.

[0039] like Figures 4-7 As shown, in this embodiment, the axis of the drive wheel 112 is at the same height as the axis of the first extrusion column 1141. This maximizes the sliding range of the slider 114 in the front-to-back direction. Figures 4-7 The dashed line segment represents the line connecting the center of the drive wheel 112 and the center of the first extrusion column 1141, while the elliptical dashed line represents the movement trajectory of the first extrusion column 1141 within the slide groove 1121. The solid arrow indicates the movement direction of the slider 114, and the dashed arrow indicates the rotation direction of the drive wheel 112.

[0040] like Figures 3-7 As shown, in this embodiment, the drive wheel 112 has an elliptical groove 1122 recessed in the middle, and an elliptical protrusion 1123 protruding in the middle, with the protrusion 1123 coinciding with the center of the groove 1122, and their major and minor axes coinciding respectively (that is, the major axis of the protrusion 1123 coincides with the major axis of the groove 1122, and the minor axis of the protrusion 1123 coincides with the minor axis of the groove 1122). The center of the drive wheel 112 is located on the major axis of the protrusion 1123. The protrusion 1123 isolates the sliding groove 1121 in the groove 1122. The connection between the driving end of the rotating drive member 111 and the drive wheel 112 is located on the protrusion 1123. This ensures that the width of the groove 1121 remains consistent in the circumferential direction, and the axis of the drive wheel 112 is located inside the ring of the groove 1121. Thus, when the drive wheel 112 rotates coaxially, it can drive the slider 114 to move in the front-back direction through the first extrusion column 1141.

[0041] Figure 3 In the diagram, “O1” represents the center of the drive wheel 112 and the center of the drive shaft 1111, “O2” represents the center of the groove 1122 and the protrusion 1123, and the two intersecting dashed lines represent the major axis and minor axis of the groove 1122, respectively.

[0042] like Figure 1As shown, in this embodiment, the two ellipses corresponding to the protrusion 1123 and the groove 1122 are the same in shape but different in size. It can be considered that the ellipse corresponding to the groove 1122 is an enlarged version of the ellipse corresponding to the protrusion 1123. At this time, the outer edge of the protrusion 1123 also constitutes the inner groove wall of the slide groove 1121, while the groove wall of the groove 1122 constitutes the outer groove wall of the slide groove 1121.

[0043] like Figure 1 and Figure 2 As shown, in this embodiment, two slide blocks 113 are provided, and the two slide blocks 113 are spaced apart in the front-to-back direction. The upper ends of the two slide blocks 113 are provided with a first sliding hole 1131 that extends through the front and back, and the two first sliding holes 1131 are aligned front to back. The slider 114 is a straight strip and is arranged in the front-to-back direction. Both ends of the slider 114 slide through the two first sliding holes 1131 respectively. The first pressing post 1141 is located in the middle between the two slide blocks 113. This design ensures good stability of the slider 114 sliding on the two slide blocks 113 and prevents it from jamming. Simultaneously, the first pressing post 1141 prevents the slider 114 from detaching from the two slide blocks 113.

[0044] like Figure 1 and Figure 2 As shown, in this embodiment, the first sliding hole 1131 is a square hole, and the cross-section of the slider 114 matches the first sliding hole 1131. This makes it easy for the slider 114 to wobble when it moves in the front-back direction relative to the two slide blocks 113 after both ends of the slider 114 are inserted into the two first sliding holes 1131.

[0045] like Figure 1 and Figure 2 As shown, in this embodiment, the first extrusion post 1141 can be vertically fixedly arranged in the middle of the slider 114 in the length direction, and the length of the slider 114 must meet the requirement that when the slider 114 slides forward to the limit position or slides backward to the limit position, neither end of the slider 114 will come out of the corresponding first sliding hole 1131.

[0046] In this embodiment, when the slider 114 moves back and forth once in the front-to-back direction, the rotation drive 111 rotates exactly one revolution. In this embodiment, the rotation direction of the drive wheel 112 driven by the rotation drive 111 does not need to be switched, so that the slider 114 can move back and forth in the front-to-back direction.

[0047] Example 2 like Figure 8 and Figure 9As shown, this embodiment provides a swing mechanism 1, including a rotating shaft 12, a swing arm 13, and a linear reciprocating drive member 11 as described in Embodiment 1. The rotating shaft 12 is arranged below the slider 114 in the left-right direction and can rotate relative to the slide block 113. The swing arm 13 is vertically arranged on the side of the slide block 113 away from the rotating drive member 111, and the lower end of the swing arm 13 is vertically fixedly connected to the rotating shaft 12. A second extrusion post 1142 protrudes from the side of the slider 114 away from the first extrusion post 1141. The second extrusion post 1142 extends to be movably connected to the middle of the swing arm 13 (which also makes the linear reciprocating drive member 11 and the swing arm 13 transmission connection, at which time the second extrusion post 1142 constitutes the driving end of the linear reciprocating drive member 11). The slider 114 slides back and forth under the drive of the rotating drive member 111, and drives the swing arm 13 to swing back and forth through the second extrusion post 1142. This allows the linear reciprocating drive 11 to drive the swing arm 13 to swing back and forth with the axis of the rotating shaft 12 as a reference during operation. The swing speed of the swing arm 13 when swinging forward and backward is different. The second extrusion column 1142 is movably connected to the swing arm 13 to provide a margin of movement for both (the second extrusion column 1142 needs to be able to rotate relative to the swing arm 13 and also needs to slide synchronously relative to the swing arm along its length direction).

[0048] like Figure 8 and Figure 9 As shown, in this embodiment, the rotating shaft 12 may be located below the drive wheel 112, that is, the rotating shaft 12 is located below the drive member and passes between the two slides 113.

[0049] like Figure 8 and Figure 9 As shown, in this embodiment, multiple swing arms 13 are provided, and the multiple swing arms 13 are parallel to each other and distributed at intervals along the left and right direction on the rotating shaft 12. At least one swing arm 13 is located on the side of the slide block 113 away from the rotation drive member 111, and the swing arm 13 movably connected to the second extrusion column 1142 is close to the slide block 113. The linear reciprocating drive member 11 is used to drive the multiple swing arms 13 to swing synchronously. This allows the multiple swing arms 13 to swing synchronously, and only one swing arm 13 needs to be movably connected to the second extrusion column 1142.

[0050] In this embodiment, the second extrusion column 1142 can be aligned left and right with the first extrusion column 1141. Similarly, preferably, the cross-section of the second extrusion column 1142 is circular.

[0051] like Figure 12As shown, in this embodiment, a straight second sliding hole 131 is provided vertically on the swing arm 13 that is movably connected to the second extrusion column 1142. The second extrusion column 1142 extends into the second sliding hole 131 to be movably connected to the corresponding swing arm 13. At this time, the width of the second sliding hole 131 can match the diameter of the second extrusion column 1142, so that the second extrusion column 1142 can be inserted into the second sliding hole 131 just right, and can rotate relative to the swing arm 13 in the second sliding hole 131, and can also slide along the length direction of the second sliding hole 131.

[0052] Preferred, such as Figure 13 As shown, in this embodiment, a slide body 132 is slidably disposed within the second sliding hole 131. The second extrusion column 1142 is rotatably connected to the slide body 132 and slidably connected to the corresponding swing arm 13 through the slide body 132. At this time, the slide body 132 can be a block that is slidably embedded in the second sliding hole 131 and can slide relative to the length direction of the second sliding hole 131 within the second sliding hole 131. At this time, the second extrusion column 1142 can be directly rotatably connected to the slide body 132. This makes the wear at the movable connection between the second extrusion column 1142 and the swing arm 13 smaller, thereby improving the stability of the entire swing mechanism 1.

[0053] like Figures 8-11 As shown, the swing mechanism 1 in this embodiment also includes a strip-shaped base 14, which is horizontally arranged in the left-right direction. The linear reciprocating drive 11 is disposed on the base 14, and the rotating shaft 12 is rotatably mounted on the base 14. This allows the entire slide 113 and the rotating shaft 12 to be disposed on the base 14, thereby making the entire swing mechanism 1 operate more stably.

[0054] like Figure 8 and Figure 9 As shown, in this embodiment, the rotating shaft 12 can be rotatably mounted on the base 14 via multiple bearing seats 17, and the multiple bearing seats 17 are distributed at intervals along the left and right directions on the base 14.

[0055] like Figure 8 , Figure 10 and Figure 11 As shown, in order to improve the aesthetics of the swing mechanism 1 in this embodiment, the swing mechanism 1 may also include a cover 15. The cover 15 is a groove-shaped shell with its groove facing downward and covering the base 14. At this time, the cover 15 is provided with a plurality of through holes 151 spaced apart along the left and right directions. The plurality of through holes 151 correspond one-to-one with the plurality of swing arms 13. The upper end of each swing arm 13 passes through the corresponding through hole 151 to the outside of the cover 15.

[0056] like Figure 10 As shown, in this embodiment, the perforation 151 can be a strip-shaped hole arranged in the front-back direction, thereby providing the swing arm 13 with a range of motion in the front-back direction.

[0057] Specifically, such as Figures 8-10 As shown, the number of swing arms 13 in this embodiment is determined by need and is not limited here. For example, three swing arms 13 can be provided. In this case, one swing arm 13 is provided at each end of the rotating shaft 12, and the remaining swing arm 13 and the linear reciprocating drive 11 are located in the middle of the length direction of the rotating shaft 12. At this time, the linear reciprocating drive 11 is connected to the swing arm 13 located in the middle for transmission.

[0058] The swinging motion described in this embodiment refers to the reciprocating swinging motion within the range of the moving angle. Since the linear reciprocating drive 11 has different speeds when moving forward and backward, the swinging mechanism 1 also has different angular velocities when swinging forward and swinging backward.

[0059] Example 3 like Figure 14 and Figure 15 As shown, this embodiment provides a punch press, including a frame 2, a die 3, a guide trough 4, and a swing mechanism 1 as described in Embodiment 2. The frame 2 is arranged in the left-right direction, the die 3 is disposed on the frame 2, and the frame 2 has a through-flow unloading channel 21 located below the die 3. The guide trough 4 is straight and arranged in the front-back direction. The guide trough 4 passes through the unloading channel 21 and rests on the frame 2. The guide trough 4 is located above the swing arm 13, and the upper end of the swing arm 13 is rotatably connected to the lower end of the guide trough 4. The guide trough 4 is used to receive the scrap and / or main material punched by the die 3. The swing mechanism 1 is used to drive the guide trough 4 to reciprocate in the front-back direction to discharge the scrap and / or main material received in the guide trough 4 from one end of the guide trough 4. This allows the scrap and / or main material stamped out of the base material by the die 3 to fall onto the guide groove 4 and eventually be discharged from one end by the guide groove 4.

[0060] In this embodiment, the cross-section of the feed trough 4 is U-shaped, meaning that it has upward-bending barriers on both its left and right sides. The cross-section refers to a section perpendicular to its length.

[0061] like Figure 14As shown, in this embodiment, the die 3 can be a progressive die. In this case, the die 3 has multiple stamping stations spaced apart in the left and right directions. The frame 2 can be provided with multiple unloading channels 21 spaced apart in the left and right directions. Multiple guide grooves 4 can be provided, and the multiple guide grooves 4 correspond one-to-one with the multiple unloading channels 21. In this case, according to the feeding direction of the die 3, the stamping station at the very end discharges the main material (that is, the product required for stamping), and the other stamping stations discharge scrap material.

[0062] like Figure 14 As shown, “A”, “B”, “C” and “D” represent four stamping stations distributed in sequence, and the main material discharged from the stamping station corresponding to “D” is the main material.

[0063] like Figure 14 and Figure 15 As shown, the punch press in this embodiment may also include two collection boxes 5. In this case, the last material guide chute 4 can be independently matched with a collection box 5 to collect the main material it discharges, while the remaining multiple material guide chute 4 can share a collection box 5 to collect the scrap material it discharges.

[0064] For ease of explanation in this embodiment, scrap materials and main materials are collectively referred to as blanking parts.

[0065] When multiple guide troughs 4 are provided, multiple swing arms 13 can be provided, and each guide trough 4 can independently correspond to at least one swing arm 13.

[0066] like Figure 16 As shown, when there are many guide troughs 4, only three swing arms 13 can be set. At the same time, a crossbeam 16 can be added to the swing mechanism 1. The crossbeam 16 is set along the left and right direction, and the upper ends of multiple swing arms 13 are perpendicularly connected to the crossbeam 16 (which can be fixedly connected). The linear reciprocating drive 11 drives the swing arms 13 to swing and drives the crossbeam 16 to move back and forth in the front and back direction. The trajectory of its movement is arc-shaped. At this time, the lower ends of multiple guide troughs 4 can be directly rotatably connected to the crossbeam 16 (at this time, it is equivalent to each guide trough 4 being rotatably connected to the upper end of the swing arm 13).

[0067] In this embodiment, the guide trough 4, driven by the swing mechanism 1, also has the characteristic of moving forward and retracting at different speeds.

[0068] In this embodiment, the guide trough 4 moves back and forth, causing the material droppers that fall onto it to gradually move forward relative to the guide trough 4. The specific principle is as follows: when the material droppers fall onto the guide trough 4, the speed at which the guide trough 4 moves forward is slower than the speed at which it moves backward. When the guide trough 4 moves forward, it causes the material droppers to move forward synchronously. However, when the guide trough 4 moves backward, it moves relatively quickly. Under the action of inertia, the material droppers will move forward relative to the guide trough 4. By repeating this action, all the material droppers on the guide trough 4 will gradually move forward until they are completely discharged from the front end of the guide trough 4.

[0069] Preferred, such as Figure 11 and Figure 15 As shown, in this embodiment, the forward and backward swing angle α of the swing arm 13 is about 10° (one-way), and the forward and backward movement of the guide trough 4 is about 10cm (one-way). One-way means the process of the swing arm 13 swinging from the front limit position to the rear limit position or from the rear limit position to the front limit position. Figure 11 and Figure 15 The two swing arms 13 are schematic diagrams representing two states where the same swing arm 13 rotates to the front limit position and the rear limit position, respectively. Figure 11 and Figure 15 In the diagram, "A" represents the state of the swing arm 13 in the front limit position, and "B" represents the state of the swing arm 13 in the rear limit position.

[0070] Preferably, in this embodiment, when the swing arm 13 rotates to the rear limit position, the swing arm 13 is in a vertical state, and at this time the front end of the guide channel 4 is slightly inclined downward. When the swing arm 13 rotates to the front limit position, the downward inclination angle of the front end of the guide channel 4 will slightly increase. That is, as the guide channel 4 moves from back to front, the downward inclination angle of its front end will gradually increase, and as the guide channel 4 moves from front to back, the downward inclination angle of its front end will gradually decrease.

[0071] In this embodiment, during the reciprocating movement of the guide trough 4 in the front and back directions, the position of the upper end of the swing arm 13 changes slightly in height. Therefore, the vertical tilt angle of the guide trough 4 also changes slightly, but the overall angle change is not significant (the slight change in the angle of the guide trough 4 has a negligible impact on the conveying of the unloading parts).

[0072] Other aspects of the frame 2 and the die 3 described in this embodiment that are not described in detail can be regarded as prior art and will not be elaborated here.

[0073] While embodiments or examples of this disclosure have been described with reference to the accompanying drawings, it should be understood that the above embodiments are merely exemplary embodiments or examples, and the scope of the invention is not limited by these embodiments or examples, but only by the granted claims and their equivalents. Various elements in the embodiments or examples may be omitted or replaced by their equivalents. Furthermore, the steps may be performed in a different order than that described in this disclosure. Further, various elements in the embodiments or examples may be combined in various ways. Importantly, as the technology evolves, many elements described herein can be replaced by equivalents that appear after this disclosure.

Claims

1. A linear reciprocating drive component, characterized in that, The system includes a rotation drive (111), a drive wheel (112), a slide block (113), and a slider (114). The slider (114) is slidably mounted on the slide block (113) in the front-back direction. The rotation drive (111) is positioned on the left or right side of the slide block (113) in the left-right direction, with its drive end facing upwards towards the slide block (113). The drive wheel (112) is coaxially and fixedly mounted on the drive end of the rotation drive (111). 2) An elliptical groove (1121) is provided eccentrically on one side of the slide block (113). The slider (114) is provided with a first extrusion post (1141) protruding into the groove (1121) on one side of the drive wheel (112). The rotation drive (111) is used to drive the drive wheel (112) to rotate and drive the slider (114) to slide back and forth on the slide block (113) through the first extrusion post (1141).

2. The linear reciprocating drive according to claim 1, characterized in that, The first extrusion column (1141) has a circular cross-section, and the width of the groove (1121) in the radial direction is greater than the diameter of the first extrusion column (1141).

3. The linear reciprocating drive according to claim 1, characterized in that, The axis of the drive wheel (112) is at the same height as the axis of the first extrusion column (1141).

4. The linear reciprocating drive according to claim 1, characterized in that, The drive wheel (112) has an eccentrically recessed elliptical groove (1122) in the middle and an eccentrically protruding elliptical protrusion (1123) in the middle. The protrusion (1123) coincides with the center of the groove (1122), and their major and minor axes coincide. The center of the drive wheel (112) is located on the major axis of the protrusion (1123). The protrusion (1123) isolates the sliding groove (1121) in the groove (1122). The connection between the drive end of the rotating drive member (111) and the drive wheel (112) is located on the protrusion (1123).

5. The linear reciprocating drive according to claim 1, characterized in that, Two slide blocks (113) are provided, and the two slide blocks (113) are spaced apart in the front-to-back direction. The upper ends of the two slide blocks (113) are provided with a first sliding hole (1131) that passes through the front and back, and the two first sliding holes (1131) are aligned front and back. The slider (114) is a straight strip and is arranged in the front-to-back direction. The two ends of the slider (114) slide through the two first sliding holes (1131) respectively. The first extrusion column (1141) is located in the middle between the two slide blocks (113).

6. A swing mechanism, characterized in that, The device includes a rotating shaft (12), a swing arm (13), and a linear reciprocating drive (11) as described in any one of claims 1-5. The rotating shaft (12) is disposed below the slider (114) in the left-right direction and can rotate relative to the slide (113). The swing arm (13) is disposed vertically on the side of the slide (113) away from the rotating drive (111), and the lower end of the swing arm (13) is vertically connected to the rotating shaft (12). The slider (114) has a second extrusion post (1142) protruding on the side away from the first extrusion post (1141). The second extrusion post (1142) extends to be movably connected to the middle of the swing arm (13). The slider (114) slides back and forth under the drive of the rotating drive (111) and drives the swing arm (13) to swing back and forth through the second extrusion post (1142).

7. The swing mechanism according to claim 6, characterized in that, The swing arms (13) are provided in multiple units, and the multiple swing arms (13) are parallel to each other and distributed at intervals along the left and right directions on the rotating shaft (12). At least one swing arm (13) is located on the side of the slide (113) away from the rotating drive member (111), and the swing arm (13) movably connected to the second extrusion column (1142) is close to the slide (113). The linear reciprocating drive member (11) is used to drive the multiple swing arms (13) to rotate synchronously.

8. The swing mechanism according to claim 6, characterized in that, The swing arm (13) movably connected to the second extrusion column (1142) is provided with a straight second sliding hole (131) along the vertical direction. The second extrusion column (1142) extends into the second sliding hole (131) to be movably connected with the corresponding swing arm (13), or a sliding body (132) is slidably provided in the second sliding hole (131). The second extrusion column (1142) is rotatably connected with the sliding body (132) and slidably connected with the corresponding swing arm (13) through the sliding body (132).

9. The swing mechanism according to claim 6, characterized in that, It also includes a strip-shaped base (14), which is horizontally arranged in the left-right direction, the linear reciprocating drive (11) is arranged on the base (14), and the rotating shaft (12) is rotatably mounted on the base (14).

10. A punch press, characterized in that, The device includes a frame (2), a die (3), a guide trough (4), and a swing mechanism (1) as described in any one of claims 6-9. The frame (2) is arranged in the left-right direction. The die (3) is mounted on the frame (2), and the frame (2) has a through-flow unloading channel (21) located below the die (3). The guide trough (4) is straight and arranged in the front-back direction. The guide trough (4) passes through the unloading channel (21) and supports the material. On the frame (2), the guide trough (4) is located above the swing arm (13), and the upper end of the swing arm (13) is rotatably connected to the lower end of the guide trough (4). The guide trough (4) is used to receive the scrap and / or main material stamped by the die (3). The swing mechanism (1) is used to drive the guide trough (4) to move back and forth in the front and back direction so as to discharge the scrap and / or main material received in the guide trough (4) from one end of the guide trough (4).

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