Stamping die with flexible positioning function

Abstract

The invention provides a stamping die with a flexible positioning function. The stamping die comprises a base, a lower die holder and a positioning mechanism. A female die and a guide column are installed on the lower die base, an upper die base and a sliding base are arranged on the guide column in a sliding fit mode, the guide column is sleeved with a first spring, and the two ends of the first spring are fixed to the upper die base and the lower die base respectively. According to the positioning mechanism, the problems of positioning fixation and poor adaptability of a traditional mold are effectively solved, in the positioning mechanism, an air cylinder drives a rack to drive a gear to rotate, through linkage of a square plate, a second connecting arm, a sliding block and a first connecting arm, a positioning base drives roller shafts to rotate, the four roller shafts distributed in a rectangular array form a positioning area in an enclosing mode, and the positioning mechanism can adapt to workpieces of different specifications; the positioning assembly does not need to be frequently disassembled and replaced, the operation process is simplified, positioning reference deviation caused by disassembly and assembly is avoided, and the punching precision and the production efficiency are improved.

Description

Technical Field

[0001] The invention relates to a stamping die with flexible positioning, belonging to the technical field of stamping dies. Background Art

[0002] Stamping dies are special process equipment used in cold stamping to process metal or non-metal materials into parts or semi-finished products. Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to cause separation or plastic deformation, thereby obtaining the desired parts. The positioning mechanism of traditional stamping dies is mostly a fixed structure with fixed positioning dimensions and angles, which can only adapt to workpieces of specific specifications. When workpieces of different sizes and shapes need to be processed, the positioning components need to be disassembled and replaced. This is not only cumbersome and time-consuming, but also causes positioning reference offset due to frequent disassembly and assembly, affecting stamping accuracy. Therefore, a stamping die with flexible positioning is proposed. Summary of the Invention

[0003] In view of this, the present invention provides a stamping die with flexible positioning to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0004] The technical solution of the present invention is achieved as follows: a stamping die with flexible positioning comprises a base, a lower die base, and a positioning mechanism; A concave die and a guide post are installed on the lower die base, an upper die base and a sliding seat are slidably matched on the guide post, a first spring is sleeved on the guide post, two ends of the first spring are respectively fixed on the upper die base and the lower die base, a convex die adapted to the concave die is installed on the upper die base, the top end of the guide post is fixedly connected to a fixing plate, a servo motor is installed on the fixing plate, an output end of the servo motor is connected to a cam, a push rod is rotatably connected to the cam, and the other side of the push rod is rotatably connected to the sliding seat; The positioning mechanism includes a positioning seat rotatably connected to the base, the positioning seat is connected to a roller for positioning the workpiece, the bottom of the lower mold seat is connected to a plate body, the plate body is connected to a slide rod, the slide rod is slidably fitted with a slider, one end of the positioning seat passing through the plate body is fixedly connected to a connecting plate, the connecting plate is rotatably connected to a first connecting arm, the other end of the first connecting arm is rotatably connected to the slider; the slider is also rotatably connected to a second connecting arm, the other end of the second connecting arm is fixedly connected to a square plate, one side of the square plate is fixedly connected to a gear, the gear is meshed with a rack, and one side of the rack is fixedly connected to a cylinder.

[0005] Further preferably, a fixing rod is fixedly connected to one side of the fixing plate and the upper mold base, and the fixing rod is arranged parallel to the guide column.

[0006] Further preferably, it also includes a clutch mechanism, which includes an active arm and a driven arm respectively hinged on both sides of the upper mold base, and a groove is provided on the sliding seat, and one end of the active arm and the driven arm are inserted into the groove to transmit power between the sliding seat and the upper mold base.

[0007] Further preferably, the active arm and the driven arm are both fixedly connected with a rocker arm, and the two rocker arms are rotatably connected via a movable plate. The active arm and the driven arm are also fixedly connected with a positioning pin, and a second spring is connected between the two positioning pins, and the second spring is used to provide a reset elastic force for the active arm and the driven arm.

[0008] Further preferably, the clutch mechanism also includes a base fixed on the lower mold base, a guide rod is slidably connected in the base, the two ends of the guide rod are respectively fixedly connected to the abutment block and the limit plate, a third spring is sleeved on the guide rod, and the two ends of the third spring are respectively fixedly connected to the base and the limit plate.

[0009] Further preferably, a through slot is provided on the base, and a fixed shaft is rotatably connected to the base, one end of the fixed shaft is located in the through slot and fixedly connected to a cam block, the cam block abuts against the abutment block, and the other end of the fixed shaft is fixedly connected to a handle, and the handle can be rotated to push the abutment block to move through the cam block.

[0010] Further preferably, there are four positioning seats distributed in a rectangular array, each positioning seat is fixedly connected to the roller shaft via a connecting block, and the four roller shafts enclose a positioning area adapted to the workpiece.

[0011] Further preferably, the end of the second connecting arm away from the slider is fixedly connected to the diagonal position of the square plate, the lower mold base is fixedly connected to the base plate through the side plate, the cylinder is fixedly installed on the base plate, and the side of the gear away from the square plate is rotatably connected to the base plate through a pin shaft.

[0012] Further preferably, at least two guide pillars are provided and symmetrically distributed on the lower die base, and the upper die base and the sliding base are both slidably matched with the guide pillars through linear bearings.

[0013] Further preferably, a support seat is fixedly connected to the plate body, and the two ends of the sliding rod are respectively fixedly connected to the two support seats. The support seat and the plate body are fastened together by bolts, and the base and the lower mold base are fixedly connected by connecting columns, and there are at least four connecting columns.

[0014] The embodiment of the present invention adopts the above technical solution, which has the following advantages: 1. The present invention realizes flexible positioning and flexible adaptation of the workpiece through the positioning mechanism, effectively solving the problems of fixed positioning and poor adaptability of traditional molds. In the positioning mechanism, the cylinder drives the rack to rotate the gear, and the positioning seat drives the roller to rotate through the linkage of the square plate, the second connecting arm, the slider and the first connecting arm. The four rollers distributed in a rectangular array form a positioning area, which can adapt to workpieces of different specifications. There is no need to frequently disassemble and replace the positioning components, which not only simplifies the operation process, but also avoids the positioning reference offset caused by disassembly and assembly, thereby improving the stamping accuracy and production efficiency.

[0015] Second, the present invention improves the controllability and operational stability of the stamping process through a clutch mechanism and a stable drive structure. The clutch mechanism can control the clutch of the active and passive arms by turning a handle, achieving the switching of power transmission between the sliding seat and the upper die seat, facilitating mold maintenance and working condition adjustment. In the drive assembly, a servo motor cooperates with a cam and a push rod to drive the sliding seat. Combined with the reset action of the first spring, the upper die seat drives the punch in stable motion. The combination of the guide column and linear bearing ensures sliding accuracy, and the fixed rod further enhances the overall structural rigidity, thereby improving the stability of the stamping process and the processing quality of the workpiece.

[0016] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1 It is a structural diagram of the present invention.

[0019] Figure 2 It is a structural diagram of the positioning mechanism in the present invention.

[0020] Figure 3 This is a structural diagram of the first connecting arm and the second connecting arm in the present invention.

[0021] Figure 4 It is a structural diagram of the swing rod and the movable rod in the present invention.

[0022] Figure 5 It is a front view of the present invention.

[0023] Figure 6It is an enlarged schematic diagram of area A in the front view of the present invention.

[0024] Figure 7 This is a structural diagram of the cam block and handle in the present invention.

[0025] in: 1-lower die base; 10-punch; 11-guide column; 12-sliding seat; 13-upper die base; 14-cam; 15-fixed plate; 16-servo motor; 17-fixed rod; 18-first spring; 19-elevator; 2-base; 20-die; 21-connecting column; 3-positioning mechanism; 30-positioning seat; 31-plate; 32-connecting block; 33-roller; 34-connecting plate; 35-first connecting arm; 36-sliding rod; 37-support seat; 38-sliding block; 39-second connecting rod Connecting arm; 301-square plate; 302-gear; 303-rack; 304-cylinder; 305-side plate; 306-bottom plate; 4-clutch mechanism; 40-active arm; 41-driven arm; 42-groove; 43-rocker arm; 44-movable plate; 45-locating pin; 46-second spring; 47-base; 48-guide rod; 49-third spring; 401-limiting plate; 402-abutment block; 403-fixed shaft; 404-handle; 405-through slot; 406-cam block. DETAILED DESCRIPTION

[0026] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the present invention. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessary confusion of the present invention.

[0027] In the description of the present invention, it should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element.

[0028] In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. "Several" means one or more, unless otherwise clearly and specifically defined.

[0029] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0030] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0031] like Figure 1-7 As shown, an embodiment of the present invention provides a stamping die with flexible positioning, comprising a base 2, a lower die base 1, and a positioning mechanism 3; In one embodiment, a die 20 and a guide post 11 are mounted on the lower die base 1, an upper die base 13 and a sliding base 12 are slidably fitted on the guide post 11, a first spring 18 is sleeved on the guide post 11, two ends of the first spring 18 are respectively fixed on the upper die base 13 and the lower die base 1, a punch 10 adapted to the die 20 is mounted on the upper die base 13, a top end of the guide post 11 is fixedly connected to a fixing plate 15, a servo motor 16 is mounted on the fixing plate 15, an output end of the servo motor 16 is connected to a cam 14, a push rod 19 is rotatably connected to the cam 14, and the other side of the push rod 19 is rotatably connected to the sliding base 12; The servo motor 16 drives the cam 14 to rotate, and the cam 14 converts the rotational motion into a linear sliding of the sliding seat 12 along the guide column 11 through the push rod 19; the sliding seat 12 drives the upper die seat 13 to move synchronously, so that the punch 10 and the die 20 are closed to complete the stamping; the first spring 18 pushes the upper die seat 13 to reset through elastic force after stamping, and the guide column 11 provides guidance for sliding; the stamping action is precisely controlled by the transmission of the cam 14 and the push rod 19, and the servo motor 16 ensures that the movement speed and stroke are adjustable; the reset function of the first spring 18 makes the stamping cycle continuous and stable; the guiding effect of the guide column 11 prevents the upper die seat 13 from deflecting, thereby improving the stamping accuracy.

[0032] In one embodiment, the positioning mechanism 3 includes a positioning seat 30 rotatably connected to the base 2, the positioning seat 30 is connected to a roller shaft 33 for positioning the workpiece, the bottom of the lower mold base 1 is connected to a plate body 31, the plate body 31 is connected to a slide rod 36, the slide rod 36 is slidably fitted with a slider 38, the positioning seat 30 passes through one end of the plate body 31 and is fixedly connected to a connecting plate 34, the connecting plate 34 is rotatably connected to a first connecting arm 35, the other end of the first connecting arm 35 is rotatably connected to the slider 38; the slider 38 is also rotatably connected to a second connecting arm 39, the other end of the second connecting arm 39 is fixedly connected to a square plate 301, one side of the square plate 301 is fixedly connected to a gear 302, the gear 302 is meshedly connected to a rack 303, and one side of the rack 303 is fixedly connected to a cylinder 304; the fixed plate 15 and one side of the upper mold base 13 are fixedly connected to a fixing rod 17, and the fixing rod 17 is arranged parallel to the guide column 11; The cylinder 304 drives the rack 303 to move linearly, and the rack 303 drives the gear 302 to rotate. The gear 302 drives the second connecting arm 39 to swing through the square plate 301, so that the slider 38 slides along the slide rod 36; the slider 38 drives the positioning seat 30 to rotate through the first connecting arm 35 and the connecting plate 34, and finally adjusts the position of the roller 33; the fixing rod 17 enhances the connection rigidity between the fixing plate 15 and the upper mold base 13; the flexible adjustment of the roller 33 is achieved through the gear 302, rack 303 transmission and the connecting rod mechanism, which can adapt to workpieces of different sizes and shapes without replacing the positioning assembly; the fixing rod 17 cooperates with the guide column 11 to prevent the upper mold base 13 from shaking during movement, thereby improving the stability of the overall structure.

[0033] In one embodiment, a clutch mechanism 4 is further included. The clutch mechanism 4 includes an active arm 40 and a passive arm 41 respectively hinged on both sides of the upper mold base 13. A groove 42 is provided on the sliding base 12. One end of the active arm 40 and the passive arm 41 are inserted into the groove 42 to transmit power between the sliding base 12 and the upper mold base 13. The active arm 40 and the passive arm 41 are both fixedly connected with a rocker arm 43. The two rocker arms 43 are rotatably connected through a movable plate 44. The active arm 40 and the passive arm 41 are also fixedly connected with a positioning pin 45. A second spring 46 is connected between the two positioning pins 45. The second spring 46 is used to provide a reset elastic force for the active arm 40 and the passive arm 41. The clutch mechanism 4 also includes a clutch mechanism 4. It includes a base 47 fixed on the lower mold base 1, with a guide rod 48 slidably connected in the base 47, and the two ends of the guide rod 48 are respectively fixedly connected to the abutment block 402 and the limit plate 401, and a third spring 49 is sleeved on the guide rod 48, and the two ends of the third spring 49 are respectively fixedly connected to the base 47 and the limit plate 401; a through slot 405 is opened on the base 47, and a fixed shaft 403 is rotatably connected to the base 47, one end of the fixed shaft 403 is located in the through slot 405 and is fixedly connected to a cam block 406, which abuts against the abutment block 402, and the other end of the fixed shaft 403 is fixedly connected to a handle 404, and rotating the handle 404 can push the abutment block 402 to move through the cam block 406; Rotating the handle 404 drives the fixed shaft 403 and the cam block 406 to rotate, and the cam block 406 pushes the abutment block 402 and the guide rod 48 to move, and the guide rod 48 drives the active arm 40 to swing, so that the active arm 40 and the driven arm 41 are separated from the groove 42 of the sliding seat 12 and the power transmission is disconnected; the second spring 46 and the third spring 49 pull the active arm 40, the driven arm 41 and the guide rod 48 to reset when the handle 404 is reset, and the power transmission is realized again; the clutch mechanism 4 can quickly cut off or connect the power transmission between the sliding seat 12 and the upper mold base 13, which is convenient for mold maintenance, workpiece picking and placing or emergency shutdown; the spring reset structure ensures the reliability and convenience of the clutch action.

[0034] In one embodiment, there are four positioning seats 30 and they are distributed in a rectangular array, each positioning seat 30 is fixedly connected to the roller shaft 33 through a connecting block 32, and the four roller shafts 33 enclose a positioning area adapted to the workpiece; the end of the second connecting arm 39 away from the slider 38 is fixedly connected to the diagonal position of the square plate 301, the lower die seat 1 is fixedly connected to the bottom plate 306 through the side plate 305, the cylinder 304 is fixedly mounted on the bottom plate 306, and the side of the gear 302 away from the square plate 301 is rotatably connected to the bottom plate 306 through a pin; at least two guide columns 11 are provided and symmetrically distributed on the lower die seat 1, and the upper die seat 13 and the sliding seat 12 are both slidably matched with the guide columns 11 through linear bearings; a support seat 37 is fixedly connected to the plate body 31, and the two ends of the sliding rod 36 are respectively fixedly connected to the two support seats 37, the support seat 37 and the plate body 31 are fastened by bolts, and the base 2 and the lower die seat 1 are fixedly connected by connecting columns 21, and at least four connecting columns 21 are provided; The four positioning seats 30 are arranged in a rectangular array, so that the rollers 33 are enclosed to form a stable positioning area, and the workpiece is ensured to be centered through multi-directional positioning; the second connecting arm 39 is diagonally connected to the square plate 301, and cooperates with the rotating fulcrum of the gear 302 to form a triangular stable structure, thereby improving transmission accuracy; the symmetrically distributed guide columns 11 and linear bearings reduce sliding friction and ensure smooth movement; the support seat 37 and the connecting column 21 are connected by bolts, which enhances the structural rigidity and facilitates disassembly and assembly; the rectangular array of rollers 33 improves the stability and symmetry of the workpiece positioning; the triangular transmission structure reduces the error of positioning adjustment; the linear bearing reduces the wear of the guide column 11 and extends the life of the mold; the bolted support seat 37 and the connecting column 21 facilitate the assembly, maintenance and component replacement of the mold.

[0035] When the present invention is working: first, the flexible positioning of the workpiece is realized through the positioning mechanism 3, the cylinder 304 is started, the cylinder 304 drives the rack 303 to move in a straight line, the rack 303 drives the meshing gear 302 to rotate around the pin shaft on the base plate 306, and the gear 302 drives the second connecting arm 39 to swing through the square plate 301, so that the slider 38 slides along the slide rod 36; the slider 38 drives the positioning seat 30 to rotate in the base 2 through the first connecting arm 35 and the connecting plate 34, and then adjusts the angle of the roller 33. The four rollers 33 distributed in a rectangular array enclose a positioning area adapted to the workpiece, thereby realizing precise positioning of the workpiece.

[0036] After positioning is completed, the drive assembly starts, the servo motor 16 drives the cam 14 to rotate, and the cam 14 pushes the sliding seat 12 to slide downward along the guide column 11 through the push rod 19; the sliding seat 12 cooperates with the active arm 40 and the driven arm 41 through the groove 42 to drive the upper die seat 13 to move downward synchronously. At this time, the first spring 18 is compressed, and the punch 10 on the upper die seat 13 approaches the die 20 and completes the stamping of the workpiece.

[0037] After the stamping is completed, the cam 14 continues to rotate, the thrust of the push rod 19 on the sliding seat 12 is reduced, the first spring 18 releases the elastic force to push the upper die seat 13 to return upward, and the sliding seat 12 moves upward synchronously driven by the push rod 19 to complete a stamping cycle.

[0038] If stamping needs to be suspended or maintenance is carried out, the power is cut off through the clutch mechanism 4: the handle 404 is turned, the fixed shaft 403 drives the cam block 406 to rotate, the cam block 406 pushes the abutment block 402 and the guide rod 48 to move, and the guide rod 48 drives the active arm 40 to swing, so that the active arm 40 and the driven arm 41 are separated from the groove 42 of the sliding seat 12, and the power transmission between the sliding seat 12 and the upper die seat 13 is cut off; when resetting, the second spring 46 and the third spring 49 pull the active arm 40, the driven arm 41 and the guide rod 48 to reset, and the power transmission is realized again.

[0039] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A stamping die with flexible positioning, characterized in that: It includes a base (2), a lower die base (1), and a positioning mechanism (3); A die (20) and a guide column (11) are mounted on the lower die base (1), an upper die base (13) and a sliding base (12) are slidably matched on the guide column (11), a first spring (18) is sleeved on the guide column (11), two ends of the first spring (18) are respectively fixed on the upper die base (13) and the lower die base (1), a punch (10) adapted to the die (20) is mounted on the upper die base (13), the top end of the guide column (11) is fixedly connected to a fixed plate (15), a servo motor (16) is mounted on the fixed plate (15), an output end of the servo motor (16) is connected to a cam (14), a push rod (19) is rotatably connected to the cam (14), and the other side of the push rod (19) is rotatably connected to the sliding base (12); The positioning mechanism (3) includes a positioning seat (30) rotatably connected to the base (2), a roller (33) for positioning the workpiece is connected to the positioning seat (30), a plate (31) is connected to the bottom of the lower die seat (1), a slide rod (36) is connected to the plate (31), a slider (38) is slidably fitted on the slide rod (36), and one end of the positioning seat (30) passing through the plate (31) is fixedly connected to a connecting plate (34), and the connecting plate (34) is rotatably connected to the connecting plate (34). A first connecting arm (35) is connected, and the other end of the first connecting arm (35) is rotatably connected to a slider (38); the slider (38) is also rotatably connected to a second connecting arm (39), and the other end of the second connecting arm (39) is fixedly connected to a square plate (301), one side of the square plate (301) is fixedly connected to a gear (302), the gear (302) is meshedly connected to a rack (303), and one side of the rack (303) is fixedly connected to a cylinder (304).

2. The stamping die with flexible positioning according to claim 1, characterized in that: A fixing rod (17) is fixedly connected to one side of the fixing plate (15) and the upper die seat (13), and the fixing rod (17) is arranged parallel to the guide column (11).

3. The stamping die with flexible positioning according to claim 1, characterized in that: The invention also includes a clutch mechanism (4), wherein the clutch mechanism (4) includes an active arm (40) and a driven arm (41) respectively hinged on both sides of the upper die base (13), and a groove (42) is provided on the sliding base (12). One end of the active arm (40) and the driven arm (41) are inserted into the groove (42) for transmitting power between the sliding base (12) and the upper die base (13).

4. The stamping die with flexible positioning according to claim 3, characterized in that: The active arm (40) and the passive arm (41) are both fixedly connected with a rocker rod (43), and the two rocker rods (43) are rotatably connected via a movable plate (44). The active arm (40) and the passive arm (41) are also fixedly connected with a positioning pin (45), and a second spring (46) is connected between the two positioning pins (45). The second spring (46) is used to provide a restoring elastic force for the active arm (40) and the passive arm (41).

5. The stamping die with flexible positioning according to claim 3, characterized in that: The clutch mechanism (4) further comprises a base (47) fixed on the lower die base (1), a guide rod (48) being slidably connected in the base (47), the two ends of the guide rod (48) being fixedly connected to an abutment block (402) and a limit plate (401), respectively, a third spring (49) being sleeved on the guide rod (48), the two ends of the third spring (49) being fixedly connected to the base (47) and the limit plate (401), respectively.

6. The stamping die with flexible positioning according to claim 5, characterized in that: A through slot (405) is provided on the base (47), and a fixed shaft (403) is rotatably connected to the base (47). One end of the fixed shaft (403) is located in the through slot (405) and is fixedly connected to a cam block (406). The cam block (406) abuts against the abutment block (402). The other end of the fixed shaft (403) is fixedly connected to a handle (404). Rotating the handle (404) can push the abutment block (402) to move via the cam block (406).

7. The stamping die with flexible positioning according to claim 1, characterized in that: Four positioning seats (30) are provided and distributed in a rectangular array. Each positioning seat (30) is fixedly connected to a roller shaft (33) via a connecting block (32). The four roller shafts (33) enclose a positioning area adapted to the workpiece.

8. The stamping die with flexible positioning according to claim 1, characterized in that: The end of the second connecting arm (39) away from the slider (38) is fixedly connected to the diagonal position of the square plate (301), the lower die base (1) is fixedly connected to the bottom plate (306) via the side plate (305), the cylinder (304) is fixedly mounted on the bottom plate (306), and the side of the gear (302) away from the square plate (301) is rotatably connected to the bottom plate (306) via a pin.

9. The stamping die with flexible positioning according to claim 1, characterized in that: At least two guide pillars (11) are provided and symmetrically distributed on the lower die base (1); the upper die base (13) and the sliding base (12) are both slidably matched with the guide pillars (11) via linear bearings.

10. The stamping die with flexible positioning according to claim 1, characterized in that: A support seat (37) is fixedly connected to the plate body (31), and both ends of the slide rod (36) are fixedly connected to the two support seats (37), respectively. The support seats (37) and the plate body (31) are fastened together by bolts, and the base (2) and the lower die base (1) are fixedly connected by connecting columns (21), and at least four connecting columns (21) are provided.

Images