Punching machine special for high-precision spring

Abstract

The invention relates to the technical field of metal stamping, in particular to a special high-precision spring stamping machine which comprises a rack and an operating table, a connecting plate is fixedly mounted at the top of the operating table, an adjusting mechanism is arranged at the top of the connecting plate, a stamping mechanism is arranged at the top of a movable seat, and the stamping mechanism comprises a connecting seat fixedly connected with the top of the movable seat. An auxiliary mechanism is arranged in the mounting groove and comprises a movable arc plate movably connected with the movable seat, and a limiting mechanism is arranged at the top of the connecting seat; a to-be-machined workpiece is fixed through the limiting mechanism, the limiting ring is pulled downwards to enable the sliding block to move in the direction of the connecting base, the workpiece is clamped, and during batch stamping, the stamping mechanism and the limiting mechanism work in cooperation, so that the situation that the punch drags the workpiece to move after completing one-time stamping and moving upwards is avoided, and waste generated during stamping falls onto the movable arc plate is avoided; the movable arc plate is impacted, so that the upper end of the movable arc plate shakes with the fixed shaft as the circle center, and discharging of waste on the movable arc plate is accelerated.

Description

Technical Field

[0001] The invention relates to the technical field of metal stamping, in particular to a high-precision spring special stamping machine. Background Art

[0002] ‌High-precision spring‌ is a spring with very small wire diameter, strong stability and stable force value. By placing the material on the workbench and using the interaction between the upper and lower molds to press the material into the desired shape, it can ensure that the size, shape and performance of the spring meet the design requirements. It is widely used in automobile manufacturing, electronic products, machinery manufacturing, medical equipment, aerospace and other fields. As a kind of high-precision spring, the diaphragm spring has the characteristics of high stiffness, high strength and high precision, which makes it widely used in various mechanical equipment and instruments.‌ The Chinese patent with announcement number CN221289214U provides a kind of automobile diaphragm spring processing tool, which belongs to the field of diaphragm spring technology. It solves the problem that the diaphragm spring is easy to deform and cannot dissipate heat during the use of the current tool. The automobile diaphragm spring processing tool includes a base, the top of the base is slidably connected with a receiving shell, the bottom of the receiving shell is fixed with a connecting shell, and the other end of the connecting shell passes through the interior of the base and is slidably connected to the inner wall of the penetration point. The utility model can rotate the receiving shell to a suitable angle through the cooperation of the connecting shell and the power mechanism, thereby dissipating the pressure on the diaphragm spring during the stamping process and reducing the damage to the diaphragm spring. At the same time, with the cooperation of the transmission mechanism and the heat dissipation mechanism, the interior of the base can be cooled, thereby avoiding the staff from being in a high temperature environment for a long time, which not only improves the comfort but also reduces the impact on the staff's body.

[0003] The above patents and some prior arts have the following problems in actual use: the punch penetrates the workpiece and punches out a notch of a fixed shape in the workpiece, and the waste generated during the stamping process may be left in the groove of the receiving shell and cannot be discharged. Under continuous use, the waste in the groove of the receiving shell gradually increases, which may cause the punch to be unable to stamp the workpiece normally, and it is necessary to frequently pause the stamping to clean the waste; at the same time, when the receiving shell is rotated, the punch needs to be separated from the workpiece to be processed, and the punch will penetrate the workpiece when completing a stamping. When moving up, the punch needs to be gradually separated from the diaphragm spring, which may drive the diaphragm spring to move during the upward movement of the punch. When the diaphragm spring falls onto the receiving shell due to its own weight, the position of the diaphragm spring on the receiving shell may have a certain deviation from the initial position. Therefore, after the receiving shell drives the diaphragm spring to rotate, when the punch stamps the diaphragm spring again, the notch punched out on the diaphragm spring may deviate from the preset position, resulting in uneven distribution of the notches of the final diaphragm spring product, which may affect the performance of the diaphragm spring and make it unable to be put into use normally.

[0004] Therefore, the present invention provides a high-precision spring-specific punching machine. Summary of the invention

[0005] In view of the problems in the prior art that waste generated during stamping of a diaphragm spring may affect subsequent work, and that the position of the diaphragm spring may be offset during stamping, the present invention provides a high-precision spring-specific stamping machine.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a high-precision spring special punching machine, including a frame and an operating table, the operating table is fixedly connected to the frame, a connecting plate is fixedly installed on the top of the operating table, a punch is arranged on the top of the connecting plate, an adjusting mechanism is installed on the top of the connecting plate, the adjusting mechanism includes a movable seat rotatably connected to the connecting plate; a stamping mechanism is arranged on the top of the movable seat, the stamping mechanism includes a connecting seat fixedly connected to the top of the movable seat; the top of the movable seat and the top of the connecting seat are both umbrella-shaped, a group of punching holes are opened through the top of the connecting seat, and a group of mounting grooves are opened on the top of the movable seat; an auxiliary mechanism is arranged in the mounting groove, the auxiliary mechanism includes a plurality of movable arc plates movably connected to the movable seat, the plurality of movable arc plates are umbrella-shaped as a whole, the height gradually decreases from the center to the outside, and a single movable arc plate is semi-circular; a limiting mechanism is arranged on the top of the connecting seat, the limiting mechanism includes a group of connecting blocks fixedly connected to the outer side wall of the connecting seat, a slider assembly is slidably connected in the connecting block, and a limiting ring is slidably connected to the upper end of the connecting block; A punching mechanism, which is configured to punch out a workpiece fixed on the connection seat by a punch; A limiting mechanism, which is assembled to limit the workpiece through the cooperation of a limiting ring and a slider assembly to prevent the positional relationship between the workpiece and the connecting seat from changing during the stamping process; An adjusting mechanism is configured to control the rotation of the connecting seat and cooperate with the punch to realize batch punching; The auxiliary mechanism is equipped to discharge the waste through the movable arc plate after completing a stamping. At the same time, when the block waste falls onto the movable arc plate, the movable arc plate shakes, which is conducive to the discharge of the waste generated by stamping.

[0007] Preferably, a fixing column is fixedly connected to the top of the connecting plate, the fixing column passes through the movable seat and the connecting seat, and the movable seat and the connecting seat are both rotatably connected to the fixing column.

[0008] Preferably, the adjustment mechanism also includes a movable warehouse opened at the bottom of the movable seat, a gear ring is provided on the inner side wall of the movable warehouse, a motor is installed on the top of the connecting plate, a worm is fixedly connected to the output end of the motor, a worm wheel is provided on one side of the worm, the worm wheel is rotatably connected to the connecting plate, the worm wheel cooperates with the worm, and the side of the worm wheel away from the worm is meshed with the gear ring.

[0009] Preferably, the worm wheel, worm and motor are all located inside the movable compartment, and a heat dissipation hole is provided on the side wall of the movable seat, and the heat dissipation hole is communicated with the movable compartment.

[0010] Preferably, the bottom of the connecting seat is in contact with the top of the movable seat, and the punching hole corresponds to the installation groove.

[0011] Preferably, the bottom of the installation groove is inclined, and the movable arc plate is located inside the installation groove.

[0012] Preferably, the auxiliary mechanism also includes a fixed plate fixedly connected to both sides of the movable arc plate, the fixed plate is located at the end of the movable arc plate with a higher horizontal height, a first spring is fixedly connected to the bottom of the fixed plate, and first sliding grooves are respectively provided on both sides of the mounting groove, an end of the first spring away from the fixed plate is fixedly connected to the bottom of the first sliding groove, the fixed plate is slidably connected to the first sliding groove, fixed shafts are fixedly connected to both sides of the end of the movable arc plate away from the fixed plate, the fixed shafts are rotatably connected to the movable seat, and the first spring is in a stretched state in an initial state.

[0013] Preferably, the limiting mechanism also includes a through slot opened in the connecting block, the bottom of the slider assembly is slidably connected to the bottom of the through slot, a second spring is fixedly connected on both sides of the slider assembly, one end of the second spring away from the slider assembly is fixedly connected to the side wall of the through slot, and the second spring is in a compressed state in the initial state.

[0014] Preferably, the slider assembly includes a first slider and a second slider, the first slider is fixedly connected to the second slider, and the top and bottom of one end of the first slider away from the second slider are both inclined.

[0015] Preferably, a second sliding groove is provided on a side of the upper end of the connecting block away from the connecting seat, and a clamping block is fixedly connected to the inner side of the limiting ring, and the clamping block is slidably connected to the second sliding groove.

[0016] Beneficial effects of the present invention: (1) The high-precision spring special punching machine described in the present invention fixes the workpiece to be processed by a limit mechanism, and the limit ring is pulled down to move the slider toward the connecting seat to clamp the workpiece. When performing batch stamping, the stamping mechanism and the limit mechanism work together to prevent the punch from pulling the workpiece and moving it after completing a stamping. The waste generated during stamping falls onto the movable arc plate at a high speed, causing the movable arc plate to be impacted, so that the upper end of the movable arc plate shakes with the fixed axis as the center, which can accelerate the discharge of the waste on the movable arc plate. The buffering shaking of the movable arc plate can effectively reduce or absorb the impact force of the waste, so that the speed of the waste is rapidly reduced, which not only utilizes the power for discharge, but also protects the safety of equipment and surrounding personnel.

[0017] (2) The high-precision spring special punching machine described in the present invention can realize the function of waste discharge in multiple processing steps. Under the action of the adjustment mechanism, the movable seat quickly rotates a certain angle each time to cooperate with the punch to achieve rapid batch stamping and avoid deformation of the workpiece caused by one-time stamping. The large centrifugal force generated by the movable seat when it rotates rapidly is also conducive to the discharge of waste. The buffering shaking of the movable arc plate during stamping can realize the waste discharge function in multiple ways, avoiding the problem that some waste on the movable arc plate or at the bottom of the installation groove fails to fall off in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 A schematic diagram of the overall structure provided by the present invention; Figure 2 A schematic diagram of the connection between the stamping mechanism and the limiting mechanism provided by the present invention; Figure 3 An exploded schematic diagram of the regulating mechanism, the stamping mechanism, and the limiting mechanism provided by the present invention; Figure 4 A bottom schematic diagram of the adjustment mechanism and the punching mechanism provided by the present invention; Figure 5 A cross-sectional view of the movable seat provided by the present invention; Figure 6 A cross-sectional view of the adjustment mechanism and the punching mechanism provided by the present invention; Figure 7 A schematic diagram of the auxiliary mechanism provided by the present invention; Figure 8 An exploded schematic diagram of the connecting block and the limiting ring provided by the present invention; Fig. 9 An exploded schematic diagram of the connecting block and slider assembly provided by the present invention.

[0020] In the figure: 1. frame; 2. operating table; 3. punch; 4. connecting plate; 41. fixed column; 5. adjusting mechanism; 51. movable seat; 52. movable bin; 53. gear ring; 54. worm gear; 55. worm; 6. stamping mechanism; 61. connecting seat; 62. punching hole; 63. mounting groove; 7. auxiliary mechanism; 71. movable arc plate; 72. first slide groove; 73. fixed plate; 74. first spring; 75. fixed shaft; 8. limiting mechanism; 81. connecting block; 82. through groove; 83. second slide groove; 84. slider assembly; 841. first slider; 842. second slider; 85. second spring; 86. limiting ring; 861. clamping block. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods. Figure 1-Figure 9 As shown, a high-precision spring-specific stamping machine described in the present invention includes a frame 1 and an operating table 2, the operating table 2 is fixedly connected to the frame 1, a connecting plate 4 is fixedly installed on the top of the operating table 2, a punch 3 is arranged on the top of the connecting plate 4, an adjusting mechanism 5 is installed on the top of the connecting plate 4, the adjusting mechanism 5 includes a movable seat 51 rotatably connected to the connecting plate 4; a stamping mechanism 6 is arranged on the top of the movable seat 51, the stamping mechanism 6 includes a connecting seat 61 fixedly connected to the top of the movable seat 51; the top of the movable seat 51 and the top of the connecting seat 61 are both umbrella-shaped, a group of punching holes 62 are opened through the top of the connecting seat 61, and a group of mounting grooves 63 are opened on the top of the movable seat 51; an auxiliary mechanism 7 is arranged in the mounting groove 63, the auxiliary mechanism 7 includes a plurality of movable arc plates 71 movably connected to the movable seat 51, the plurality of movable arc plates 71 are umbrella-shaped as a whole, the height gradually decreases from the center to the outside, and a single movable arc plate 71 is semicircular; a limiting mechanism 8 is arranged on the top of the connecting seat 61, the limiting mechanism 8 includes a connecting seat 61 fixedly connected to the top of the movable seat 51 A group of connecting blocks 81 are fixedly connected to the outer wall of the seat 61, a slider assembly 84 is slidably connected inside the connecting block 81, and a limiting ring 86 is slidably connected to the upper end of the connecting block 81; a punching mechanism 6 is equipped to punch out the workpiece fixed on the connecting seat 61 through the punch 3; a limiting mechanism 8 is equipped to limit the workpiece through the cooperation of the limiting ring 86 and the slider assembly 84 to avoid changes in the positional relationship between the workpiece and the connecting seat 61 during the punching process; an adjusting mechanism 5 is equipped to control the rotation of the connecting seat 61 and cooperate with the punch 3 to achieve batch stamping; an auxiliary mechanism 7 is equipped to discharge the waste through the movable arc plate 71 after completing a stamping, and at the same time, when the block waste falls on the movable arc plate 71, the movable arc plate 71 is shaken, which is conducive to the discharge of the waste generated by the stamping, and the buffering shaking of the movable arc plate 71 can effectively reduce or absorb the impact force of the waste, so that the speed of the waste is rapidly reduced, which not only utilizes the power for discharge, but also protects the safety of equipment and surrounding personnel.

[0022] In this embodiment, when the workpiece to be processed is placed on the top of the connecting seat 61, the size of the workpiece is adapted to the connecting seat 61. When the limiting ring 86 is controlled to slide downward, the limiting ring 86 abuts against the second slider 842, so that the slider assembly 84 slides, and the lower inclined surface of the first slider 841 abuts against the top of the edge of the workpiece. Under the restriction of multiple first sliders 841, the workpiece is in a fixed state. After the punch 3 completes a punching operation and moves upward, it will not affect the position of the workpiece. After the punch 3 is separated from the workpiece, the motor is controlled to make the worm 55 rotate rapidly, and the worm 55 drives the worm wheel 54 to rotate rapidly, so that the movable seat 51 rotates a certain angle driven by the worm gear 54, and the punch 3 can punch the workpiece at a different position when punching it again. The waste generated during punching and the molding waste fall onto the movable arc plate 71, and the small particles of waste generated in the process may fall onto the movable arc plate 71 or the bottom of the mounting groove 63. The molding waste and the small particles of waste slide out of the movable seat 51 through the inclined movable arc plate 71 and the bottom of the mounting groove 63. The centrifugal force generated by the rapid rotation of the movable seat 51 is more conducive to the discharge of the waste. The buffering shaking of the movable arc plate 71 can realize multiple waste discharge functions.

[0023] like Figure 4-Figure 6 As shown, the adjustment mechanism 5 also includes a movable bin 52 opened at the bottom of the movable seat 51, a gear ring 53 is provided on the inner wall of the movable bin 52, a motor is installed on the top of the connecting plate 4, a worm 55 is fixedly connected to the output end of the motor, a worm wheel 54 is provided on one side of the worm 55, the worm wheel 54 is rotatably connected to the connecting plate 4, the worm wheel 54 cooperates with the worm 55, and the side of the worm wheel 54 away from the worm 55 is meshed with the gear ring 53; the worm wheel 54, the worm 55, and the motor are all located inside the movable bin 52, and the side wall of the movable seat 51 is provided with heat dissipation holes, which are connected to the movable bin 52; a fixed column 41 is fixedly connected to the top of the connecting plate 4, the fixed column 41 passes through the movable seat 51 and the connecting seat 61, and the movable seat 51 and the connecting seat 61 are both rotatably connected to the fixed column 41; the bottom of the connecting seat 61 is attached to the top of the movable seat 51, and the punching hole 62 corresponds to the mounting groove 63.

[0024] In this embodiment, when the movable seat 51 needs to be adjusted, the motor is turned on to rotate the worm 55, and the worm 55 drives the worm wheel 54 to rotate. The worm wheel 54 meshes with the ring gear 53 on the inner wall of the movable seat 51. When the worm wheel 54 rotates, it drives the ring gear 53, so that the movable seat 51 rotates on the connecting plate 4. When the movable seat 51 rotates, it drives the connecting seat 61 fixedly connected to the top thereof to rotate. By controlling the rotation of the worm 55, the degree of rotation of the worm 55 is the same each time, so that the movable seat 51 rotates by the same angle each time, so that The notches punched out by the punch 3 can be evenly distributed on the diaphragm spring without affecting the performance of the finished workpiece. The multiple heat dissipation holes arranged on the side wall of the movable seat 51 are used for heat dissipation of the movable bin 52 to prevent the internal temperature of the movable bin 52 from being too high when the motor is working. The punch 3 does not contact the movable arc plate 71 when penetrating the diaphragm spring workpiece. After the diaphragm spring is penetrated, the waste material in the shape of the punch hole 62 falls onto the movable arc plate 71 in the mounting groove 63, and the long strip of waste material slides out of the movable seat 51 through the inclined movable arc plate 71.

[0025] like Figure 7-Figure 9 As shown, the limiting mechanism 8 also includes a through slot 82 opened in the connecting block 81, the bottom of the slider assembly 84 is slidably connected to the bottom of the through slot 82, and second springs 85 are fixedly connected on both sides of the slider assembly 84. The end of the second spring 85 away from the slider assembly 84 is fixedly connected to the side wall of the through slot 82, and the second spring 85 is in a compressed state in the initial state; the slider assembly 84 includes a first slider 841 and a second slider 842, the first slider 841 is fixedly connected to the second slider 842, and the top and bottom of the end away from the first slider 841 and the second slider 842 are both inclined; a second slide slot 83 is opened on the side of the upper end of the connecting block 81 away from the connecting seat 61, and a clamping block 861 is fixedly connected to the inner side of the limiting ring 86, and the clamping block 861 is slidably connected to the second slide slot 83.

[0026] The first slider 841 extends out of the through slot 82, and its lower inclined surface abuts against the top edge of the diaphragm spring workpiece. Under the restriction of multiple sets of limiting mechanisms 8, the edge of the diaphragm spring workpiece is restricted at multiple positions, so that when the punch 3 moves upward, the diaphragm spring can remain stationary to ensure the accuracy of the subsequent stamping position.

[0027] like Figure 3-Figure 6As shown, the auxiliary mechanism 7 also includes a fixed plate 73 fixedly connected to both sides of the movable arc plate 71, the fixed plate 73 is located at the end of the movable arc plate 71 with a higher horizontal height, a first spring 74 is fixedly connected to the bottom of the fixed plate 73, and first sliding grooves 72 are respectively provided on both sides of the mounting groove 63, the end of the first spring 74 away from the fixed plate 73 is fixedly connected to the bottom of the first sliding groove 72, the fixed plate 73 is slidably connected to the first sliding groove 72, and fixed shafts 75 are fixedly connected to both sides of the end of the movable arc plate 71 away from the fixed plate 73, and the fixed shaft 75 is rotatably connected to the movable seat 51, and the first spring 74 is in a stretched state in the initial state; the bottom of the mounting groove 63 is inclined, and the movable arc plate 71 is located inside the mounting groove 63.

[0028] The first spring 74 is compressed and then rebounds to its original position when the movable arc plate 71 is moved. The fixed shaft 75 rotates in the corresponding slot of the movable seat 51 at the lower end of the movable arc plate 71 when the movable arc plate 71 is moved, so that the movable arc plate 71 shakes with the fixed shaft 75 as the center. The shaking of the upper end of the movable arc plate 71 can accelerate the sliding out of the long strip of waste, and is also conducive to the falling of the granular waste on the movable arc plate 71, and assists the waste to slide out of the mounting groove 63. The outer wall of the movable seat 51 can be provided with a collection box corresponding to the lower end of the mounting groove 63, which is used to collect the granular waste. After sliding out of the mounting groove 63, it can enter the collection box, while the long strip of molding waste slides out directly and falls to the outside of the connecting plate 4. It can also be cleaned during the stamping process. A small part of the waste generated during stamping may fall to the bottom of the mounting groove 63, and the movable arc plate 71 is shaken by the impact of the long strip of waste. The time and amplitude of the shaking are limited. Therefore, some waste may be attached to the movable arc plate 71 and fail to slide out in time. When the movable seat 51 rotates, the centrifugal force it generates drives some of the waste that may not be discharged in time on the movable arc plate 71 and the bottom of the mounting groove 63, and moves it when the movable seat 51 rotates, which is conducive to the full discharge of the waste.

[0029] Working principle: When in use, place the diaphragm spring workpiece to be processed on the top of the connecting seat 61, the edge of the workpiece abuts against the side wall of the connecting block 81, pull the limit ring 86 down, and the clamping block 861 slides downward in the second slide groove 83. The lower end of the limit ring 86 abuts against the upper inclined surface of the second slider 842, so that the slider assembly 84 is pushed toward the connecting seat 61, the second spring 85 is stretched, and the first slider 841 is pushed out of the through groove 82. The lower inclined surface of the first slider 841 abuts against the workpiece to fix the workpiece. When the punch 3 completes a punching of the workpiece, the punch 3 moves up and separates from the workpiece. The workpiece cannot be driven by the punch 3 under the restriction of the limiting mechanism 8 and is still fixed on the connecting seat 61. The worm 55 is controlled to rotate to a certain extent, and the worm 55 drives the worm wheel 54 to rotate, so that the gear ring 53 meshing with the worm wheel 54 is driven, so that the movable seat 51 rotates on the connecting plate 4, and the workpiece fixed on the connecting seat 61 rotates a certain angle accordingly, and other positions of the workpiece are punched. After all the punching work is completed, the limiting ring 86 is moved up, the second spring 85 is reset, the slider assembly 84 slides, and the first slider 841 is separated from the workpiece, and the processed workpiece can be removed; During stamping, the punch 3 penetrates the workpiece, and the waste generated during the stamping process falls into the mounting groove 63. When the punched-out molding waste falls onto the movable arc plate 71, the first spring 74 is compressed under the impact of the falling waste, and then rebounds, causing the upper end of the movable arc plate 71 to shake, driving the fixed shaft 75 at the lower end of the movable arc plate 71 to rotate, thereby accelerating the discharge of the waste from the mounting groove 63. The centrifugal force generated when the movable seat 51 rotates is beneficial to assisting the discharge of molding waste and granular waste, thereby avoiding the situation where some waste cannot fall off the movable arc plate 71.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A high-precision spring special punching machine, comprising a frame (1) and an operating table (2), wherein the operating table (2) is fixedly connected to the frame (1), a connecting plate (4) is fixedly installed on the top of the operating table (2), a punch (3) is arranged on the top of the connecting plate (4), and an adjusting mechanism (5) is installed on the top of the connecting plate (4), characterized in that: The adjusting mechanism (5) comprises a movable seat (51) rotatably connected to the connecting plate (4); a punching mechanism (6) is arranged on the top of the movable seat (51), and the punching mechanism (6) comprises a connecting seat (61) fixedly connected to the top of the movable seat (51); the top of the movable seat (51) and the top of the connecting seat (61) are both arranged in an umbrella shape, a group of punching holes (62) are opened through the top of the connecting seat (61), and a group of mounting grooves (63) are opened on the top of the movable seat (51); an auxiliary mechanism (7) is arranged in the mounting groove (63), and the auxiliary mechanism (7) is arranged in the mounting groove (63). The structure (7) comprises a plurality of movable arc plates (71) movably connected to the movable seat (51); the plurality of movable arc plates (71) are generally umbrella-shaped, with heights gradually decreasing from the center to the outside, and a single movable arc plate (71) is in the shape of a semicircular tube; a limiting mechanism (8) is provided at the top of the connecting seat (61); the limiting mechanism (8) comprises a group of connecting blocks (81) fixedly connected to the outer side wall of the connecting seat (61); a slider assembly (84) is slidably connected inside the connecting block (81); and a limiting ring (86) is slidably connected to the upper end of the connecting block (81); A limiting mechanism (8) is assembled to limit the position of the workpiece through the cooperation of a limiting ring (86) and a slider assembly (84), thereby preventing a change in the positional relationship between the workpiece and the connecting seat (61) during the stamping process; The auxiliary mechanism (7) is configured to discharge waste materials through the movable arc plate (71) after completing a punching operation. When the block-shaped waste materials fall onto the movable arc plate (71), the movable arc plate (71) is shaken, which is beneficial to the discharge of the waste materials generated by the punching operation.

2. The high-precision spring special punching machine according to claim 1 is characterized in that: The punching mechanism (6) is configured to punch a workpiece fixed on a connecting seat (61) by means of a punch (3); a fixed column (41) is fixedly connected to the top of the connecting plate (4); the fixed column (41) penetrates the movable seat (51) and the connecting seat (61); and the movable seat (51) and the connecting seat (61) are both rotatably connected to the fixed column (41).

3. The high-precision spring special punching machine according to claim 2 is characterized in that: The adjusting mechanism (5) is configured to control the rotation of the connecting seat (61) and cooperate with the punch (3) to realize batch punching; the adjusting mechanism (5) also includes a movable chamber (52) opened at the bottom of the movable seat (51), the inner wall of the movable chamber (52) is provided with a gear ring (53), a motor is installed on the top of the connecting plate (4), a worm (55) is fixedly connected to the output end of the motor, a worm wheel (54) is provided on one side of the worm (55), the worm wheel (54) is rotatably connected to the connecting plate (4), the worm wheel (54) cooperates with the worm (55), and the side of the worm wheel (54) away from the worm (55) is meshed with the gear ring (53).

4. The high-precision spring special punching machine according to claim 3 is characterized in that: The worm wheel (54), the worm (55), and the motor are all located inside the movable chamber (52); a heat dissipation hole is provided on the side wall of the movable seat (51); and the heat dissipation hole is connected to the movable chamber (52).

5. The high-precision spring special punching machine according to claim 1 is characterized in that: The bottom of the connecting seat (61) is in contact with the top of the movable seat (51), and the punching hole (62) corresponds to the mounting groove (63).

6. The high-precision spring special punching machine according to claim 5, characterized in that: The bottom of the installation groove (63) is inclined, and the movable arc plate (71) is located inside the installation groove (63).

7. The high-precision spring special punching machine according to claim 6, characterized in that: The auxiliary mechanism (7) further comprises a fixed plate (73) fixedly connected to both sides of the movable arc plate (71), the fixed plate (73) being located at an end of the movable arc plate (71) with a higher horizontal height, a first spring (74) being fixedly connected to the bottom of the fixed plate (73), first slide grooves (72) being respectively provided on both sides of the mounting groove (63), an end of the first spring (74) away from the fixed plate (73) being fixedly connected to the bottom of the first slide groove (72), the fixed plate (73) being slidably connected to the first slide groove (72), a fixed shaft (75) being fixedly connected to both sides of an end of the movable arc plate (71) away from the fixed plate (73), the fixed shaft (75) being rotatably connected to the movable seat (51), and an initial state of the first spring (74) being a stretched state.

8. The high-precision spring special punching machine according to claim 1, characterized in that: The limiting mechanism (8) further comprises a through slot (82) formed in the connecting block (81); the bottom of the slider assembly (84) is slidably connected to the bottom of the through slot (82); second springs (85) are fixedly connected to both sides of the slider assembly (84); one end of the second spring (85) away from the slider assembly (84) is fixedly connected to a side wall of the through slot (82); and the second spring (85) is initially in a compressed state.

9. The high-precision spring special punching machine according to claim 8, characterized in that: The slider assembly (84) comprises a first slider (841) and a second slider (842); the first slider (841) and the second slider (842) are fixedly connected; the top and bottom of one end of the first slider (841) and the second slider (842) that are away from each other are both inclined.

10. The high-precision spring special punching machine according to claim 1, characterized in that: A second slide groove (83) is provided on a side of the upper end of the connection block (81) away from the connection seat (61), and a clamping block (861) is fixedly connected to the inner side of the limiting ring (86), and the clamping block (861) is slidably connected to the second slide groove (83).

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