A structure of a press device

Abstract

The present application belongs to the technical field of stamping, and particularly relates to a stamping equipment structure, which comprises a bed body, a driving mechanism, a balance seat and an upper die seat. The driving mechanism is arranged in a cavity of the bed body, the balance seat is slidingly connected in the cavity and connected with the driving mechanism, and the bottom end of the driving mechanism is connected with the upper die seat. The driving mechanism comprises a crankshaft, a lifting seat, two groups of connecting rod mechanisms and a driving motor. Two eccentric parts of the crankshaft are respectively connected with a connecting rod mechanism. The connecting rod mechanism has upper and lower connecting ends. The balance seat is connected with the upper connecting ends of the two connecting mechanisms, and the lifting seat is connected with the lower connecting ends of the two connecting rod mechanisms. The top end of the lifting seat is provided with a guide column, the guide column penetrates through the bottom wall, and the upper die seat is connected with the bottom end of the guide column. The driving motor is connected with the crankshaft and used for driving the crankshaft to rotate. The bottom end of the balance seat is provided with a supporting spring, the supporting spring supports the balance seat upward, a counterweight spring is arranged between the lifting seat and the bottom wall, the counterweight spring supports the lifting seat upward, and the balance lifting seat and the upper die seat are supported by the counterweight spring.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of stamping, and particularly relates to a stamping equipment structure. BACKGROUND

[0002] A punch press is a stamping press. In national production, the stamping process has the advantages of saving materials and energy, high efficiency, low technical requirements for operators, and the application of various molds can produce products that cannot be achieved by mechanical processing, so its use is becoming more and more widespread.

[0003] The Chinese patent document with publication number CN117167437A discloses a dynamic balancing device and a shockproof high-speed precision punch press. The dynamic balancing device is installed on the punch press, and under the conditions of ordinary operation and high-speed operation, the crankshaft of the punch press is subjected to better dynamic balancing effect, and the punch press vibration problem can be effectively reduced. It comprises: a guide block installed inside the body of the punch press, the surface of the guide block is provided with a guide hole, and the side surface of the guide block is provided with an opening which is adapted to communicate the guide hole with the outside of the guide block; a gravity block adapted to connect the dynamic balancing connecting rod mechanism of the punch press, the gravity block is slidingly connected inside the guide hole, and the surface of the gravity block is provided with a contact block at the position of the opening; a balancing mechanism installed inside the body and close to the corresponding position of the opening, the balancing mechanism comprises a guide seat, a balancing block and an elastic member, the guide seat is installed inside the body, the balancing block is slidingly connected inside the guide seat towards the contact block, and the elastic member is connected between the balancing block and the guide seat, adapted to drive the contact block to extrude the balancing block and the elastic member during the movement of the dynamic balancing connecting rod mechanism, so that the gravity block overcomes the dynamic balancing resistance of the balancing block and continues to move at the moment of stamping the semi-finished product. By setting the guide block, the gravity block and the balancing mechanism, when the crankshaft of the punch press rotates, the crankshaft will drive the transmission connecting rod mechanism and the dynamic balancing connecting rod mechanism on both sides to move, the transmission connecting rod mechanism finally drives the upper die to move up and down, and the dynamic balancing connecting rod mechanism drives the gravity block to move up and down, so that the gravity block overcomes the dynamic balancing resistance of the balancing block and continues to move at the moment of stamping the semi-finished product, solving the problem of unbalanced stress caused by sudden change of force on the crankshaft, achieving better dynamic balancing effect of the punch press crankshaft, and being suitable for high-speed precision punch presses. And due to the elastic force of the elastic member, the vibration problem caused by the semi-finished product at the moment of stamping can be further reduced.

[0004] In the technical solution disclosed in the above patent document, when the upper die descends, the balancing block moves upward, and when the upper die ascends, the balancing block descends. Therefore, the power unit always needs to overcome the gravity of the balancing block or the upper die, thereby increasing the load of the crankshaft and the connecting rod, making the crankshaft and the connecting rod prone to mechanical fatigue, and reducing the service life. SUMMARY

[0005] The punch equipment structure aims to solve the problem of large load of crankshaft and connecting rod of the existing punch with dynamic balance, and easy mechanical fatigue.

[0006] To achieve the above object, the punch equipment structure comprises a bed body, a driving mechanism, a balance seat and an upper die holder. The upper end of the bed body is provided with a cavity and a die closing space. The cavity comprises two side walls and a bottom wall. The driving mechanism is arranged in the cavity. The balance seat is slidably connected in the cavity and connected with the driving mechanism. The upper end of the driving mechanism is connected with the upper die holder. The driving mechanism comprises a crankshaft, a lifting seat, two sets of connecting rod mechanisms and a driving motor. The crankshaft is connected between the two side walls. The crankshaft is provided with two eccentric parts. Each eccentric part is connected with a connecting rod mechanism. The connecting rod mechanism has upper and lower connecting ends. The upper connecting ends of the two connecting rod mechanisms are connected with the balance seat. The lower connecting ends of the two connecting rod mechanisms are connected with the lifting seat. The top end of the lifting seat is provided with a guide column. The guide column penetrates through the bottom wall. The upper die holder is connected with the bottom end of the guide column. The driving motor is connected with the crankshaft and used to drive the rotation of the crankshaft. The bottom end of the balance seat is provided with a supporting spring. The supporting spring supports the balance seat upward. A counterweight spring is arranged between the lifting seat and the bottom wall. The counterweight spring supports the lifting seat upward and balances the gravity of the lifting seat and the upper die holder.

[0007] Further, the bottom side of the balance seat is provided with a mounting hole. The upper end of the supporting spring extends into the mounting hole.

[0008] Further, the two sides of the upper end of the cavity are further provided with avoiding grooves. The two sides of the balance seat are provided with balance parts extending into the avoiding grooves. The supporting spring is arranged between the balance parts and the bottom wall of the avoiding grooves.

[0009] Further, the bottom side of the cavity is further provided with a bottom hole. The bottom hole is provided with a first rolling bearing subjected to axial force. The mounting hole penetrates through the balance seat. The upper end of the mounting hole is provided with an extrusion column. The top end of the extrusion column is provided with a mounting part used to be mounted on the top side of the balance seat. The supporting spring extends into the bottom hole from the mounting hole and is supported on the first rolling bearing. The extrusion column limits the upper end of the supporting spring.

[0010] Further, the bottom wall of the cavity is provided with a through hole. The bottom side of the bottom wall is provided with a supporting plate. The supporting plate is provided with a supporting table extending into the through hole. The supporting table is provided with a second rolling bearing subjected to axial force. The second rolling bearing is provided with a pad. The pad extends upwardly with a positioning protrusion. The lower end of the counterweight spring is sleeved on the positioning protrusion.

[0011] Further, the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod; one end of the first connecting rod, the second connecting rod and the third connecting rod is connected to the same rotating shaft, the other end of the first connecting rod is sleeved on the eccentric part, the other end of the second connecting rod is connected to the balance seat, and the other end of the third connecting rod is connected to the lifting seat.

[0012] Further, the driving mechanism further comprises two groups of oppositely arranged belt assemblies, the belt assembly comprises a rotating seat, two synchronous wheels and a synchronous belt, the rotating seat is arranged on one side of the bed body, the rotating seat is provided with a rotating shaft, the two synchronous wheels are arranged on the crankshaft and the rotating shaft respectively, and the synchronous belt is wound on the two synchronous wheels; the driving motor is connected with one of the rotating shafts.

[0013] Further, the rotating shaft not connected with the driving motor is connected with a counting device.

[0014] Further, one side of the lower end of the bed body is provided with a mounting table, the mounting table is further provided with a first divider and a second divider, the second divider is connected to the first divider, and the rotation angles of the first divider and the second divider are not equal; the first divider is in driving connection with the driving motor.

[0015] Further, the mounting table is further provided with a translation adjustment plate, the first divider and the second divider are arranged on the translation adjustment plate, a transmission mechanism is arranged between the first divider and the driving motor, the transmission mechanism comprises a transmission shaft and a second belt assembly; the transmission shaft is rotatably connected to one side of the bed body, the second belt assembly is connected to the transmission shaft and the driving motor; a Schmidt coupling is further connected between the transmission shaft and the first divider.

[0016] The stamping equipment structure provided by the embodiment of the present application has at least the following technical effects:

[0017] The stamping equipment is provided with a supporting spring on the bottom side of the balance seat and a counterweight spring on the bottom side of the moving seat; thus the gravity of the balance seat and the lifting seat can be offset by the supporting spring and the counterweight spring respectively. When the balance seat rises, the elastic force of the supporting spring supports the balance seat upward, thus the load of the crankshaft and the connecting rod mechanism can be reduced. When the lifting seat, the upper die seat and the upper die mounted on the bottom side of the upper die seat rise, the counterweight spring supports the lifting seat upward, thus a part of the gravity can be offset; in addition, the potential energy of the balance seat descending is converted to the connecting rod mechanism, thus the gravity of the lifting seat rising and the like is further balanced, and thus the load applied to the crankshaft and the connecting rod mechanism when the upper die seat resets is further reduced. Thus the fatigue degree of the connecting rod mechanism and the crankshaft can be reduced, and the service life is increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the accompanying drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative labor.

[0019] Figure 1 The structural diagram of the stamping device provided by the embodiment of the present application is shown.

[0020] Figure 2 The sectional view of the stamping device provided by the embodiment of the present application is shown.

[0021] Figure 3 The other side sectional view of the stamping device provided by the embodiment of the present application is shown.

[0022] Figure 4 The internal structure diagram of the cavity of the stamping device provided by the embodiment of the present application is shown.

[0023] Figure 5 The sectional view of the cavity part of the stamping device provided by the embodiment of the present application is shown.

[0024] Figure 6 The other side sectional view of the cavity part of the stamping device provided by the embodiment of the present application is shown.

[0025] Figure 7 The structural diagram of the driving mechanism part of the stamping device provided by the embodiment of the present application is shown.

[0026] Figure 8 The sectional view of the driving mechanism part of the stamping device provided by the embodiment of the present application is shown. Figure 7 The sectional view of the driving mechanism part of the stamping device provided by the embodiment of the present application is shown. DETAILED DESCRIPTION

[0027] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0028] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown by the drawings based on the orientation or positional relationship shown by the drawings, and are only for the purpose of facilitating the description of the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0029] In addition, the terms "first", "second" are only for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0030] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can also be detachably connected, or integrated; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0031] In an embodiment of the structure of the stamping device of the present application, please refer to Figures 1 to 8The stamping device of the embodiment comprises a machine body 100, a driving mechanism 200, a balance seat 300 and an upper die seat 400. The upper end of the machine body 100 is provided with a cavity 101 and a die closing space 102. The cavity has at least two side walls 103 and a bottom wall 104. The driving mechanism 200 is arranged in the cavity 101. The balance seat 300 is slidably connected in the cavity 101 and connected to the driving mechanism 200. The bottom end of the driving mechanism 200 is connected to the upper die seat 400. Specifically, the driving mechanism 200 comprises a crankshaft 210, a lifting seat 220, two sets of connecting rod mechanisms 230 and a driving motor 240. The crankshaft 210 is connected between the two side walls 103. The crankshaft 210 is provided with two eccentric parts 211. Each eccentric part 211 is independently connected to one set of connecting rod mechanisms 230. The connecting rod mechanisms 230 have upper and lower connecting ends. The balance seat 300 is connected to the upper connecting ends of the two connecting rod mechanisms 230. The lifting seat 220 is connected to the lower connecting ends of the two connecting rod mechanisms 230. The top end of the lifting seat 220 is provided with a guide column 250. The guide column 250 penetrates through the bottom wall 104. The upper die seat 400 is connected to the bottom end of the guide column 250. The driving motor 240 is connected to the crankshaft 210 to drive the rotation of the crankshaft 210. The bottom end of the balance seat 300 is provided with a supporting spring 500. The supporting spring 500 supports the balance seat 300 upward. The lifting seat 220 and the bottom wall 104 are provided with a counterweight spring 600. The counterweight spring 600 supports the lifting seat 220 upward. The balance seat 300 and the upper die seat 400 balance the gravity.

[0032] The stamping device of the above embodiment drives the rotation of the crankshaft 210 by the driving motor 240. The eccentric part 211 of the crankshaft 210 drives the connecting rod mechanisms 230 to alternately push the balance seat 300 and the lifting seat 220 to rise and fall. Because the bottom side of the balance seat 300 is provided with the supporting spring 500 and the bottom side of the lifting seat 220 is provided with the counterweight spring 600, the partial gravity of the balance seat 300 and the lifting seat 220 can be balanced by the supporting spring 500 and the counterweight spring 600 respectively. Specifically, when the balance seat 300 rises, the elastic force of the supporting spring 500 supports the balance seat 300 upward, thereby reducing the load of the crankshaft 210 and the connecting rod mechanisms 230. When the lifting seat 220, the upper die seat 400 and the upper die mounted on the bottom side of the upper die seat 400 rise, the counterweight spring 600 forms an upward supporting force on the lifting seat 220, thereby balancing part of the gravity. In addition, by the descent of the balance seat 300, the potential energy of the descent of the balance seat 300 is converted to the connecting rod mechanisms 230. At the same time, the connecting rod mechanisms 230 transmit the potential energy to the lifting seat 220, thereby achieving dynamic balance and further balancing the gravity of the rising of the lifting seat 220 and the like, thereby further reducing the load of the crankshaft 210 and the connecting rod mechanisms 230 when the driving motor 240 drives the upper die seat 400 and the like to reset. Therefore, the fatigue degree of the connecting rod mechanisms 230 and the crankshaft 210 can be reduced, and the service life is increased.

[0033] Further, please refer to Figure 7 The connecting rod mechanism 230 includes a first connecting rod 231, a second connecting rod 232 and a third connecting rod 233. One end of the first connecting rod 231, the second connecting rod 232 and the third connecting rod 233 are connected to the same rotating shaft 234. And the other end of the first connecting rod 231 is sleeved on the eccentric part 211, the other end of the second connecting rod 232 is connected to the balance seat 300, and the other end of the third connecting rod 233 is connected to the lifting seat 220. Specifically, when the crankshaft 210 rotates, the first connecting rod 231 is pulled by the eccentric part 211, so that the first connecting rod pulls the second connecting rod 232 and the third connecting rod 233 to rotate around the rotating shaft 234, thereby realizing that the second connecting rod 232 and the third connecting rod 233 push the balance seat 300 and the lifting seat 220 to rise and fall.

[0034] Further, please refer to Figure 4 and Figure 5 The bottom side of the balance seat 300 is provided with a mounting hole 301, and the upper end of the supporting spring 500 extends into the mounting hole 301. Then, in the case of increasing the effective height of the supporting spring 500, the height of the balance seat 300 can be reduced, and further the height space of the cavity 101 can be reduced.

[0035] Further, please refer to Figure 2 , Figure 4 and Figure 5 The upper end of the cavity 101 is further provided with a avoiding slot on both sides, and the balance seat 300 is provided with a balance part 302 extending into the corresponding avoiding slot, and the supporting spring 500 is arranged between the balance part 302 and the bottom wall of the avoiding slot. In this embodiment, the supporting spring 500 is supported on the bottom side of the balance part 302, so that the balance seat 300 can maintain balance when rising and falling.

[0036] Further, please refer to Figure 4 and Figure 5The bottom side of the cavity 101 is further provided with a bottom hole 105. The bottom hole 105 is a blind hole, and the first rolling bearing 700 subjected to axial force is arranged in the bottom hole 105. The mounting hole 301 penetrates the balance seat 300, and the upper end of the mounting hole 301 is provided with an extrusion column 310, and the top end of the extrusion column 310 is provided with a mounting part 311 for mounting on the top side of the balance seat 300. The supporting spring 500 extends into the bottom hole 105 from the mounting hole 301 and is supported on the first rolling bearing 700, and the extrusion column 310 limits the upper end of the supporting spring 500. Specifically, the first rolling bearing 700 is mounted in the bottom hole 105, the supporting spring 500 passes through the mounting hole 301 from top to bottom, the bottom end of the supporting spring 500 extends into the bottom hole 105 and is supported on the first rolling bearing 700, and then the extrusion column 310 is mounted into the mounting hole 301, and the lower end of the extrusion column 310 extrudes the supporting spring 500, so that the supporting spring 500 is compressed, and at the same time, the mounting part 311 is locked on the top side of the balance seat 300, realizing the installation of the supporting spring 500, which is convenient. In addition, the bottom end of the supporting spring 500 is supported on the first rolling bearing 700, which can prevent the supporting spring 500 from being twisted under the high-frequency stamping processing of the stamping equipment, and plays a protective role on the supporting spring 500. Avoiding the formation of stress points of the supporting spring 500. Preferably, the first rolling bearing 700 is a disc bearing.

[0037] Further, please refer to Figure 6 The bottom wall 104 of the cavity 101 is provided with a through hole 106, and the bottom side of the bottom wall 104 is provided with a supporting plate 110, the supporting plate 110 is provided with a supporting table 111 extending into the through hole 106, and the supporting table 111 is provided with a second rolling bearing 800 subjected to axial force, and the second rolling bearing 800 is provided with a pad 810, and the pad 810 extends upwardly to form a positioning protrusion 811, and the lower end of the counterweight spring 600 is sleeved on the positioning protrusion 811. In this embodiment, when the counterweight spring 600 is installed, it is installed from the bottom of the through hole 106, and then the supporting plate 110 sleeved on the second rolling bearing 800 is installed into the through hole 106, realizing the installation of the counterweight spring 600, which is simple and convenient for disassembly and replacement. In addition, the counterweight spring 600 is supported on the second rolling bearing 800, so that the counterweight spring 600 can be prevented from being twisted under the high-frequency stamping processing of the stamping equipment, and plays a protective role on the counterweight spring 600. Preferably, the second rolling bearing 800 is a disc bearing.

[0038] Further, please refer to Figure 1 and Figure 7The driving mechanism 200 further comprises two sets of belt assemblies 260 arranged oppositely. The two sets of belt assemblies 260 are connected to the crankshaft 210 and the driving motor 240, so that the crankshaft 210 is balanced when rotating and is more stable. Specifically, the belt assembly 260 comprises a rotating seat 261, two synchronous wheels 262 and a synchronous belt 263. The rotating seat 261 is arranged on one side of the bed 100, and the rotating seat 261 is provided with a rotating shaft 264. The two synchronous wheels 262 are arranged on the crankshaft 210 and the rotating shaft 264 respectively, and the synchronous belt 263 is arranged around the two synchronous wheels 262. The driving motor 240 is connected to one of the rotating shafts 264. In this embodiment, the driving motor 240 drives the rotating shaft 264 connected thereto directly, and then drives the crankshaft 210 to rotate under the connection of the synchronous belt 263. The crankshaft 210 drives the other set of belt assemblies 260, so that the rotation of the crankshaft 210 can be translated by the two sets of synchronous belt assemblies 260, so that the crankshaft 210 can realize dynamic balance when rotating and increase stability.

[0039] Further, the rotating shaft 264 not directly connected to the driving motor 240 is further connected to a counting device. Therefore, the number of rotations of the crankshaft 210 can be recorded, and the effect of punch counting can be realized.

[0040] Further, please refer to Figure 1 The lower end of the bed 100 is provided with a mounting table 120, and the mounting table 120 is further provided with a first divider 910 and a second divider 920. The second divider 920 is connected to the first divider 910, and the rotation division angles of the first divider 910 and the second divider 920 are not equal. The first divider 910 is drivingly connected to the driving motor 240. In addition, the output ends of the first divider 910 and the second divider 920 can be connected to rotating parts in the die mounted on the lower die seat. Therefore, in this embodiment, the rotating parts in the die can be driven by the first divider 910 and the second divider 920 to rotate at different speeds according to the beat of the punch.

[0041] Further, please refer to Figure 1 The mounting table 120 is further provided with a translation adjustment plate 130, and the first divider 910 and the second divider 920 are arranged on the translation adjustment plate 130. A transmission mechanism 270 is arranged between the first divider 910 and the driving motor 240, and the transmission mechanism 270 comprises a transmission shaft 271 and a second belt assembly 272. The transmission shaft 271 is rotatably connected to one side of the bed 100, and the second belt assembly 272 is connected to the transmission shaft 271 and the driving motor 240. A Schmitt coupling 273 is further connected between the transmission shaft 271 and the first divider 910. Therefore, the position of the translation adjustment plate 130 can be adjusted, so that the first divider 910 and the second divider 920 can be connected to different dies.

[0042] The above merely preferred embodiments of the present application are not used to limit the present application, any modification, equivalent replacement and improvement etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A structure of a punch press, comprising a bed, a driving mechanism, a balance seat and an upper die seat, the upper end of the bed is provided with a cavity and a die closing space, the cavity comprises two side walls and a bottom wall; the driving mechanism is arranged in the cavity, the balance seat is slidingly connected in the cavity and connected with the driving mechanism, and the bottom end of the driving mechanism is connected with the upper die seat; characterized in that, The driving mechanism comprises a crankshaft, a lifting seat, two sets of connecting rod mechanisms and a driving motor, the crankshaft is connected between the two side walls, the crankshaft is provided with two eccentric parts, each eccentric part is connected with a connecting rod mechanism, the connecting rod mechanism has upper and lower connecting ends, the balance seat is connected with the upper connecting ends of the two connecting rod mechanisms, and the lifting seat is connected with the lower connecting ends of the two connecting rod mechanisms; the top end of the lifting seat is provided with a guide column, the guide column penetrates through the bottom wall, and the upper die seat is connected at the bottom end of the guide column; the driving motor is connected with the crankshaft and used for driving the rotation of the crankshaft; the bottom end of the balance seat is provided with a supporting spring, the supporting spring supports the balance seat upward, a counterweight spring is arranged between the lifting seat and the bottom wall, the counterweight spring supports the lifting seat upward and is used for balancing the gravity of the lifting seat and the upper die seat; The bottom side of the balance seat is provided with a mounting hole, and the upper end of the supporting spring extends into the mounting hole; both sides of the upper end of the cavity are also provided with avoiding grooves, both sides of the balance seat are provided with balance parts extending into the corresponding avoiding grooves, and the supporting spring is arranged between the balance parts and the bottom wall of the avoiding grooves; The bottom side of the cavity is also provided with a bottom hole, and the bottom hole is provided with a first rolling bearing subjected to axial force; the mounting hole penetrates through the balance seat, the upper end of the mounting hole is provided with an extrusion column, the top end of the extrusion column is provided with a mounting part used for being mounted on the top side of the balance seat; the supporting spring extends into the bottom hole from the mounting hole and is supported on the first rolling bearing, and the extrusion column limits the upper end of the supporting spring; The bottom wall of the cavity is provided with a through hole, the bottom side of the bottom wall is provided with a supporting plate, the supporting plate is provided with a supporting table extending into the through hole, the supporting table is provided with a second rolling bearing subjected to axial force, the second rolling bearing is provided with a pad, the pad extends upward and is provided with a positioning protrusion, and the lower end of the counterweight spring is sleeved on the positioning protrusion; The first rolling bearing and the second rolling bearing are both disc bearings; under the stamping processing of the stamping equipment, the first rolling bearing supports the supporting spring, and the second rolling bearing supports the counterweight spring, so as to prevent the supporting spring and the counterweight spring from being twisted.

2. The press apparatus structure according to claim 1, characterized by: The connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod; one end of the first connecting rod, the second connecting rod and the third connecting rod is connected on the same rotating shaft, the other end of the first connecting rod is sleeved on the eccentric part, the other end of the second connecting rod is connected with the balance seat, and the other end of the third connecting rod is connected with the lifting seat.

3. The press apparatus structure according to claim 1, characterized by: The driving mechanism further comprises two sets of oppositely arranged belt assemblies, the belt assembly comprises a rotating seat, two synchronous wheels and a synchronous belt, the rotating seat is arranged on one side of the bed body, the rotating seat is provided with a rotating shaft, the two synchronous wheels are arranged on the crankshaft and the rotating shaft respectively, and the synchronous belt is wound on the two synchronous wheels; and the driving motor is connected with one of the rotating shafts.

4. The press apparatus structure according to claim 3, characterized by: The rotating shaft not connected with the driving motor is connected with a counting device.

5. The press apparatus structure according to claim 3, characterized by: The lower end of the bed body is provided with a mounting table, and the mounting table is further provided with a first divider and a second divider.

6. The press apparatus structure according to claim 5, characterized by: The mounting table is further provided with a translation adjustment plate, and the first divider and the second divider are arranged on the translation adjustment plate. A transmission mechanism is arranged between the first divider and the driving motor, and the transmission mechanism comprises a transmission shaft and a second belt assembly. The transmission shaft is rotatably connected to one side of the bed body, and the second belt assembly is connected to the transmission shaft and the driving motor. A Schmidt coupling is further connected between the transmission shaft and the first divider.

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