CN113828677A - Closed double-point double-acting high-speed press - Google Patents
Closed double-point double-acting high-speed press Download PDFInfo
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- CN113828677A CN113828677A CN202111197402.1A CN202111197402A CN113828677A CN 113828677 A CN113828677 A CN 113828677A CN 202111197402 A CN202111197402 A CN 202111197402A CN 113828677 A CN113828677 A CN 113828677A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
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Abstract
本发明公开了智能成型机床领域内的一种闭式双点双动高速压力机，包括机身，所述机身上可转动地设置有水平的曲轴，所述曲轴包括联接轴颈，联接轴颈的左右两端均一体设置有内连杆轴颈，两个内连杆轴颈的端部均一体设置有加强支撑主轴颈，两个加强支撑主轴颈的端部均一体设置有外连杆轴颈，两个外连杆轴颈的端部分别一体设置有左侧支撑主轴颈和右侧支撑主轴颈，两个所述外连杆轴颈上均安装有外连杆组件，两个所述内连杆轴颈上均安装有内连杆组件，机身上设置有可升降的主滑块，主滑块内部设置有可升降的内滑块，所述机身上位于主滑块下方对应设置有水平的工作台板。本发明能够实现通过压力机进行两道冲压工序，提高冲压效率和冲压精度。
The invention discloses a closed-type double-point double-action high-speed press in the field of intelligent forming machine tools. The left and right ends of the neck are integrally provided with inner connecting rod journals, the ends of the two inner connecting rod journals are integrally provided with reinforced supporting main journals, and the ends of the two reinforced supporting main journals are integrally provided with outer connecting rods journals, the ends of the two outer connecting rod journals are respectively integrally provided with a left supporting main journal and a right supporting main journal, and outer connecting rod assemblies are installed on the two outer connecting rod journals. An inner link assembly is installed on the inner link journal, a main slider that can be lifted and lowered is arranged on the main body, and an inner slider that can be lifted is arranged inside the main slider, and the main body is located below the main slider. Correspondingly, a horizontal work table is provided. The invention can realize two punching processes by a press, and improve punching efficiency and punching precision.
Description
Technical Field
The invention belongs to the field of intelligent forming machine tools, and particularly relates to a closed double-point double-acting high-speed press.
Background
The existing press machine is a universal press machine with an exquisite structure, has the characteristics of wide application, high production efficiency and the like, and can be widely applied to processes of cutting, punching, blanking, bending, riveting, forming and the like. The metal is processed into parts by applying a strong pressure to the metal blank to cause plastic deformation and fracture of the metal.
In the prior art, when a mechanical press works, a motor drives a large belt pulley (usually used as a flywheel) through a triangle belt, and a crank-slider mechanism is driven through a gear pair and a clutch, so that a slider and a male die move downwards in a straight line. After the forging and pressing work of the mechanical press is finished, the sliding block moves upwards, the clutch is automatically disengaged, and meanwhile, the automatic device on the crankshaft is switched on, so that the sliding block stops near a top dead center. The disadvantages are that: at present, the slide block completes one stamping action once the crankshaft of the traditional press rotates once, if the slide block is required to complete one action again, the crankshaft of the press needs to rotate once again, at the moment, the flywheel releases energy again to do work, the press releases energy once and can only complete one stamping action, the production efficiency is low, and the energy consumption is high.
Disclosure of Invention
The invention aims to provide a closed double-point double-acting high-speed press, which can firstly press a workpiece through an outer die on a main sliding block and then further stretch the workpiece through an inner die on an inner sliding block, so that two pressing procedures can be simultaneously performed through one press, and the pressing efficiency and the pressing precision are greatly improved.
The purpose of the invention is realized as follows: a closed double-point double-acting high-speed press machine comprises a machine body, wherein a horizontal crankshaft is rotatably arranged on the machine body and comprises a connecting shaft neck, inner connecting rod shaft necks are uniformly arranged at the left end and the right end of the connecting shaft neck, reinforcing support main shaft necks are integrally arranged at the end parts of the two inner connecting rod shaft necks, outer connecting rod shaft necks are uniformly arranged at the end parts of the two reinforcing support main shaft necks, a left support main shaft neck and a right support main shaft neck are respectively and integrally arranged at the end parts of the two outer connecting rod shaft necks, the length of the left support main shaft neck is smaller than that of the right support main shaft neck, the end part of the right support main shaft neck is in transmission connection with a rotation driving mechanism, outer connecting rod assemblies are respectively arranged on the two outer connecting rod shaft necks, inner connecting rod assemblies are respectively arranged on the two inner connecting rod shaft necks, and a liftable main sliding block corresponding to the outer connecting rod assemblies is arranged on the machine body, two sets of outer link assembly all are articulated mutually with main slider, the inside interior slider that is provided with the liftable of main slider, two sets of interior link assembly all are articulated mutually with interior slider, it is provided with the horizontally work platen to lie in main slider below correspondence on the fuselage.
When the crankshaft support device works, the rotary driving mechanism drives the crankshaft to rotate, the left side support main journal and the right side support main journal at the two ends of the crankshaft are respectively and rotatably supported at corresponding positions of a machine body, the two reinforced support main journals of the crankshaft are also rotatably supported at corresponding positions of the machine body, the crankshaft is supported by two points from the left end and the right end of the crankshaft and the middle of the crankshaft together, the stress of the crankshaft is ensured to be more balanced during rotation, and the phenomenon that the crankshaft rotates unstably due to the reaction force generated by the outer connecting rod assembly and the inner connecting rod assembly on the crankshaft is avoided; the crankshaft rotates to drive the main sliding block to move up and down through the two groups of outer connecting rod assemblies, the crankshaft also drives the inner sliding block to move up and down through the two groups of inner connecting rod assemblies when rotating, the inner connecting rod shaft neck and the outer connecting rod shaft neck are circumferentially staggered by an angle theta along the crankshaft main shaft, and the angle theta ranges from 45 degrees to 75 degrees, so that the inner sliding block moves up and down in the main sliding block while the main sliding block is lifted, and the inner sliding block and the main sliding block are lifted up and lowered by being staggered by one phase; the outer connecting rod assembly and the inner side of the main sliding block are spaced, and the inner connecting rod assembly and the inner side of the inner sliding block are spaced, so that the outer connecting rod assembly and the inner connecting rod assembly can swing back and forth conveniently. Compared with the prior art, the invention has the beneficial effects that: an outer die is mounted on the lower side of the main sliding block, an inner die is mounted on the lower side of the inner sliding block, the workpiece is firstly stamped through the outer die on the main sliding block, and then is further stretched through the inner die on the inner sliding block, so that two stamping processes are simultaneously carried out through one press machine, and the stamping efficiency and the stamping precision are greatly improved; the main sliding block is driven to ascend and descend through the two groups of outer connecting rod assemblies, so that the main sliding block ascends and descends more stably, the inner sliding block is driven to reciprocate through the two groups of inner connecting rod assemblies, and the inner sliding block reciprocates more stably. The invention discloses a closed double-point double-acting high-speed press which is intelligently controlled by an electric control program and belongs to an intelligent forming machine tool.
As a further improvement of the invention, two inner connecting rod journals are symmetrically distributed on the left side and the right side of the connecting journal, two reinforcing support main journals are symmetrically distributed on the left side and the right side of the connecting journal, and two outer connecting rod journals are symmetrically distributed on the left side and the right side of the connecting journal. The two inner connecting rod shaft necks are respectively provided with an inner connecting rod component, and the inner connecting rod components drive the inner sliding block to lift; and the two outer connecting rod shaft necks are provided with outer connecting rod assemblies, and the outer connecting rod assemblies drive the main sliding block to lift.
As a further improvement of the invention, the left side supporting main journal and the right side supporting main journal of the crankshaft are both rotatably supported on the machine body through bearings, the two reinforcing supporting main journals are both rotatably supported on the machine body through bearings, the rotary driving mechanism comprises a motor, the axis of the motor is parallel to the axis of the crankshaft, the output end of the motor is provided with a belt pulley, the end part of the right side supporting main journal is sleeved with a flywheel corresponding to the belt pulley, the belt pulley is in transmission connection with the flywheel through a transmission belt, and the right side supporting main journal is provided with a clutch corresponding to the flywheel. The motor drives the flywheel to rotate through the belt pulley, the crankshaft rotates, and the clutch can control the transmission and stop of the power of the flywheel to close the power of the crankshaft.
In order to more steadily drive main slider and go up and down on the fuselage, interior slider is in the inside lift of main slider, and the pin joint bilateral symmetry of two sets of outer link assembly and main slider distributes, and interior slider setting is in main slider middle part, and the pin joint bilateral symmetry of two sets of interior link assemblies and interior slider distributes.
As a further improvement of the invention, the main sliding block and the inner sliding block are rectangular, at least four vertical main guide rails are arranged on the machine body corresponding to four corners of the main sliding block, and at least four vertical inner guide rails are arranged in the main sliding block corresponding to four corners of the inner sliding block. The main guide rail guides the lifting of the main sliding block, and the inner guide rail guides the lifting of the inner sliding block.
As a further improvement of the invention, the outer connecting rod assembly comprises an outer connecting rod body and an outer connecting rod upper cover, an arc-shaped groove is formed in the upper portion of the outer connecting rod body, the outer connecting rod upper cover is arc-shaped, a circular mounting hole which can be penetrated by an outer connecting rod shaft neck of the crankshaft is assembled by the outer connecting rod body and the outer connecting rod upper cover, a rolling bearing is arranged between the inner wall of the mounting hole and the outer connecting rod shaft neck, an outer connecting rod lower cover is fixedly connected to the lower portion of the outer connecting rod body, a lower threaded hole is formed in the outer connecting rod lower cover in a penetrating manner, an upper threaded hole is vertically formed in the lower portion of the outer connecting rod body, an outer ball head screw rod axially penetrates through the lower threaded hole and extends into the upper threaded hole, two mounting cylinders are arranged on the main sliding block corresponding to the two outer ball head screws, an oil cylinder is arranged in each mounting cylinder, a ball head seat is arranged in the oil cylinder, an arc-shaped groove is arranged on the surface of the ball head seat, a ball head corresponding to the outer ball head screw rod is matched with the arc-shaped groove of the ball head seat, a cover plate is fixedly connected to the top of each mounting cylinder, the cover plate is provided with a through hole which can allow the corresponding outer ball head screw rod to pass through. The rolling bearing plays a role in reducing friction for the rotation of the crankshaft, and the outer connecting rod can more smoothly drive the main sliding block to lift; the outer connecting rod is hinged with the ball seat on the main sliding block through a ball head of the outer ball head screw rod.
As a further improvement of the invention, the inner connecting rod assembly comprises an inner connecting rod body and an inner connecting rod upper cover, an arc-shaped groove is formed in the upper portion of the inner connecting rod body, the inner connecting rod upper cover is arc-shaped, the inner connecting rod body and the inner connecting rod upper cover are assembled into a circular mounting hole capable of allowing an inner connecting rod journal of the crankshaft to pass through, a rolling bearing is arranged between the inner wall of the mounting hole and the inner connecting rod journal, an inner connecting rod lower cover is fixedly connected to the lower portion of the inner connecting rod body, a lower threaded hole is formed in the inner connecting rod lower cover in a penetrating mode, an upper threaded hole is vertically formed in the lower portion of the inner connecting rod body, an inner ball head screw axially passes through the lower threaded hole and extends into the upper threaded hole, two mounting cylinders corresponding to the two inner ball head screws are arranged on the inner sliding block, an oil cylinder is arranged in each mounting cylinder, and a ball head seat matched with the inner ball head screw is arranged in each oil cylinder. The two inner connecting rods drive the inner sliding block to lift more stably and smoothly, and the inner connecting rods are hinged with the ball head seats on the inner sliding block through the ball heads of the inner ball head screw rods.
As a further improvement of the invention, the outer connecting rod journal and the inner connecting rod journal are arranged along the circumferential direction of the main reinforcing support journal in a staggered mode of 60 degrees, the stroke of the main sliding block is 50mm, the stroke of the inner sliding block is 80mm, and when the main sliding block reaches a bottom dead center, the inner sliding block is located above the bottom surface of the main sliding block. This technical scheme can avoid damaging the mould for the energy that interior slider obtained is more even.
As a further improvement of the invention, the stamping frequency of the main sliding block is 300 times/minute, and the left side and the right side of the machine body corresponding to the inner sliding block are provided with dynamic balance devices. The reverse dynamic balance force is increased through the dynamic balance device, so that the stress of the machine tool is more balanced.
As a further improvement of the present invention, the axes of the reinforcing support main journal, the left support main journal and the right support main journal all coincide with each other.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a crankshaft.
Fig. 3 is a right side view of the crankshaft.
FIG. 4 is a schematic diagram of the structure of each of the inner and outer connecting rods on the crankshaft.
Fig. 5 is a right side view of the body.
Fig. 6 is a diagram showing the stroke of the slide of the press.
The device comprises a machine body 1, a crankshaft 2, a connecting journal 2a, an inner connecting rod journal 2b, a reinforced supporting main journal 2c, an outer connecting rod journal 2d, a left supporting main journal 2e, a right supporting main journal 2f, a main slider 3, an inner slider 4, a working table plate 5, a motor 6, a belt pulley 7, a flywheel 8, a clutch 9, a main guide rail 10, an inner guide rail 11, an outer connecting rod body 12, an arc-shaped groove 12a, an outer connecting rod upper cover 13, an outer connecting rod lower cover 14, an outer ball-head screw 15, an inner connecting rod body 16, an arc-shaped groove 16a, an inner connecting rod upper cover 17, an inner connecting rod lower cover 18, an inner ball-head screw 19, a dynamic balancing device 20, an eccentric distance of the outer connecting rod journal L and an eccentric distance of the inner connecting rod journal M.
Detailed Description
As shown in fig. 1-5, a closed double-point double-acting high-speed press comprises a press body 1, a horizontal crankshaft 2 is rotatably disposed on the press body 1, the crankshaft 2 comprises a coupling journal 2a, inner connecting rod journals 2b are integrally disposed at left and right ends of the coupling journal 2a, reinforced support main journals 2c are integrally disposed at ends of the two inner connecting rod journals 2b, outer connecting rod journals 2d are integrally disposed at ends of the two reinforced support main journals 2c, a left support main journal 2e and a right support main journal 2f are integrally disposed at ends of the two outer connecting rod journals 2d, a length of the left support main journal 2e is smaller than a length of the right support main journal 2f, an end of the right support main journal 2f is in transmission connection with a rotation driving mechanism, outer connecting rod assemblies are mounted on the two outer connecting rod journals 2d, inner connecting rod assemblies are mounted on the two inner connecting rod journals 2b, correspond outer link assembly and be provided with the main slider 3 of liftable on the fuselage 1, two sets of outer link assembly all are articulated mutually with main slider 3, and 3 inside inner slide 4 that are provided with the liftable of main slider, and two sets of inner link assemblies all are articulated mutually with inner slide 4, lie in the correspondence of main slider 3 below on the fuselage 1 and be provided with horizontally work platen 5.
In order to balance the stress of the crankshaft 2 during rotation, two inner connecting rod journals 2b are symmetrically distributed on the left and right sides of the connecting journal 2a, two reinforcing support main journals 2c are symmetrically distributed on the left and right sides of the connecting journal 2a, and two outer connecting rod journals 2d are symmetrically distributed on the left and right sides of the connecting journal 2 a. The axes of the reinforcing support main journal 2c, the left support main journal 2e and the right support main journal 2f are all coincident with each other. The eccentricity of the outer connecting rod shaft necks is L, the eccentricity of the inner connecting rod shaft necks is M, inner connecting rod assemblies are arranged on the two inner connecting rod shaft necks 2b, and the inner connecting rod assemblies drive the inner sliding block 4 to lift; and the two outer connecting rod shaft necks 2d are respectively provided with an outer connecting rod assembly, and the outer connecting rod assemblies drive the main sliding block 3 to lift. The left side of bent axle 2 supports main journal 2e and the right side supports main journal 2f and all rotates through the bearing and support on fuselage 1, and two are strengthened supporting main journal 2c and all rotate through the bearing and support on fuselage 1, rotary drive mechanism includes motor 6, and 6 axes of motor parallel with bent axle 2 line, and the output of motor 6 is equipped with belt pulley 7, and the right side supports main journal 2f tip and corresponds belt pulley 7 cover and be equipped with flywheel 8, and belt pulley 7 is through transmission belt and flywheel 8 looks transmission connection, and it is provided with clutch 9 to correspond flywheel 8 on the right side supporting main journal 2 f.
In order to drive main slider 3 more steadily and go up and down on fuselage 1, interior slider 4 goes up and down in main slider 3 is inside, and two sets of outer link assembly distribute with the pin joint bilateral symmetry of main slider 3, and interior slider 4 sets up in 3 middle parts of main slider, and two sets of interior link assembly distribute with the pin joint bilateral symmetry of interior slider 4. The main sliding block 3 and the inner sliding block 4 are both rectangular, at least four vertical main guide rails 10 are arranged on the machine body 1 corresponding to four corners of the main sliding block 3, and at least four vertical inner guide rails 11 are arranged on the main sliding block 3 corresponding to four corners of the inner sliding block 4. As shown in fig. 6, in order to avoid damaging the die and to make the energy obtained by the inner slide 4 more even, the outer journal 2d and the inner journal 2b are circumferentially staggered by 60 ° along the reinforcing support main journal 2c, the stroke of the main slide 3 is 50mm, the stroke of the inner slide 4 is 80mm, and when the main slide 3 reaches the bottom dead center, the inner slide 4 is located above the bottom surface of the main slide 3. The stamping frequency of the main sliding block 3 is 300 times/minute, and the left side and the right side of the machine body 1 corresponding to the inner sliding block 4 are provided with dynamic balance devices 20. The dynamic balance device 20 increases the reverse dynamic balance force, so that the stress of the machine tool is more balanced.
The outer connecting rod assembly comprises an outer connecting rod body 12 and an outer connecting rod upper cover 13, an arc-shaped groove 12a is formed in the upper portion of the outer connecting rod body 12, the outer connecting rod upper cover 13 is arc-shaped, a circular mounting hole capable of allowing an outer connecting rod shaft neck 2d of the crankshaft 2 to penetrate through is formed by assembling the outer connecting rod body 12 and the outer connecting rod upper cover 13, a rolling bearing is arranged between the inner wall of the mounting hole and the outer connecting rod shaft neck 2d, an outer connecting rod lower cover 14 is fixedly connected to the lower portion of the outer connecting rod body 12, a lower threaded hole penetrates through the outer connecting rod lower cover 14, an upper threaded hole is vertically formed in the lower portion of the outer connecting rod body 12, an outer ball head screw 15 axially penetrates through the lower threaded hole and extends into the upper threaded hole, two mounting cylinders are arranged on the main sliding block 3 corresponding to the two outer ball head screws 15, oil cylinders are arranged in the mounting cylinders, ball seats are arranged in the oil cylinders, arc-shaped grooves are formed in the surfaces of the ball seats, balls corresponding to the outer ball head screws 15 are matched with the arc-shaped grooves of the ball head seats, the top of the mounting cylinder is fixedly connected with a cover plate, and a through hole which can be penetrated by the corresponding outer ball head screw 15 is arranged on the cover plate in a penetrating way.
The inner connecting rod assembly comprises an inner connecting rod body 16 and an inner connecting rod upper cover 17, an arc-shaped groove 16a is formed in the upper portion of the inner connecting rod body 16, the inner connecting rod upper cover 17 is arc-shaped, a circular mounting hole capable of allowing a connecting rod shaft neck 2b in the crankshaft 2 to penetrate through is formed by assembling the inner connecting rod body 16 and the inner connecting rod upper cover 17, a rolling bearing is arranged between the inner wall of the mounting hole and the inner connecting rod shaft neck 2b, an inner connecting rod lower cover 18 is fixedly connected to the lower portion of the inner connecting rod body 16, a lower threaded hole penetrates through the inner connecting rod lower cover 18, an upper threaded hole is vertically formed in the lower portion of the inner connecting rod body 16, an inner ball head screw 19 axially penetrates through the lower threaded hole and extends into the upper threaded hole, two mounting cylinders are arranged on the inner sliding block 4 corresponding to the two inner ball head screws 19, oil cylinders are arranged in the mounting cylinders, and ball head seats matched with the inner ball head screws 19 are arranged in the oil cylinders. The two inner connecting rods drive the inner sliding block 4 to lift more stably and smoothly, and the inner connecting rods are hinged with the ball head seats on the inner sliding block 4 through the ball heads of the inner ball head screw rods 19.
When the crankshaft 2 rotating device works, the motor 6 drives the flywheel 8 to rotate through the belt pulley 7, the crankshaft 2 rotates, the clutch 9 can control the transmission and stop of the power of the flywheel 8, the power of the crankshaft 2 is closed, the left supporting main journal 2e and the right supporting main journal 2f at the two ends of the crankshaft 2 are respectively rotatably supported at the corresponding positions of the machine body 1, the two reinforcing supporting main journals 2c of the crankshaft 2 are also rotatably supported at the corresponding positions of the machine body 1, the crankshaft 2 is supported by two points from the left end and the right end of the crankshaft 2 and the middle of the crankshaft 2 together, the stress of the crankshaft 2 is ensured to be more balanced during rotation, and the phenomenon that the crankshaft 2 rotates unstably due to the reaction force of the outer connecting rod assembly and the inner connecting rod assembly on the crankshaft 2 is avoided; the crankshaft 2 rotates to drive the main sliding block 3 to move up and down through the two groups of outer connecting rod assemblies, the rolling bearings play a role in reducing friction on the rotation of the crankshaft 2, and the outer connecting rods can more smoothly drive the main sliding block 3 to lift; the outer connecting rod is hinged with a ball seat on the main sliding block 3 through a ball of an outer ball screw 15; when the crankshaft 2 rotates, the inner sliding block 4 is driven to move up and down through the two groups of inner connecting rod assemblies, the inner connecting rod shaft neck 2b and the outer connecting rod shaft neck 2d are staggered by 60 degrees along the circumferential direction of the main shaft of the crankshaft 2, so that the inner sliding block 4 moves up and down in the main sliding block 3 while the main sliding block 3 is lifted, and the inner sliding block 4 and the main sliding block 3 are lifted by staggering one phase; the outer connecting rod assembly and the inner side of the main sliding block 3 are spaced, and the inner connecting rod assembly and the inner side of the inner sliding block 4 are spaced, so that the outer connecting rod assembly and the inner connecting rod assembly can swing back and forth conveniently. The invention has the advantages that: an outer die is mounted on the lower side of the main sliding block 3, an inner die is mounted on the lower side of the inner sliding block 4, a workpiece is firstly stamped through the outer die on the main sliding block 3, and then the workpiece is further stretched through the inner die on the inner sliding block 4, so that two stamping processes are simultaneously carried out through one press machine, and the stamping efficiency and the stamping precision are greatly improved; drive main slider 3 through two sets of outer link assembly and go up and down for main slider 3 goes up and down more steadily, drives interior slider 4 through two sets of interior link assemblies and reciprocates, makes interior slider 4 reciprocate also more steadily. The invention discloses a closed double-point double-acting high-speed press which is intelligently controlled by an electric control program and belongs to an intelligent forming machine tool.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (10)
1. A closed double-point double-acting high-speed press machine comprises a press body and is characterized in that a horizontal crankshaft is rotatably arranged on the press body and comprises a connecting shaft neck, inner connecting rod shaft necks are integrally arranged at the left end and the right end of the connecting shaft neck, reinforcing support main shaft necks are integrally arranged at the end parts of the two inner connecting rod shaft necks, outer connecting rod shaft necks are integrally arranged at the end parts of the two reinforcing support main shaft necks, a left support main shaft neck and a right support main shaft neck are integrally arranged at the end parts of the two outer connecting rod shaft necks respectively, the length of the left support main shaft neck is smaller than that of the right support main shaft neck, the end part of the right support main shaft neck is in transmission connection with a rotation driving mechanism, outer connecting rod assemblies are arranged on the two outer connecting rod shaft necks, inner connecting rod assemblies are arranged on the two inner connecting rod shaft necks, and a liftable main sliding block is arranged on the press body corresponding to the outer connecting rod assemblies, two sets of outer link assembly all are articulated mutually with main slider, the inside interior slider that is provided with the liftable of main slider, two sets of interior link assembly all are articulated mutually with interior slider, it is provided with the horizontally work platen to lie in main slider below correspondence on the fuselage.
2. The closed double-point double-action high-speed press according to claim 1, wherein the two inner connecting rod journals are symmetrically distributed on the left and right sides of the connecting journal, the two reinforcing support main journals are symmetrically distributed on the left and right sides of the connecting journal, and the two outer connecting rod journals are symmetrically distributed on the left and right sides of the connecting journal.
3. The closed double-point double-acting high-speed press according to claim 1 or 2, wherein the left support main journal and the right support main journal of the crankshaft are rotatably supported on the machine body through bearings, the two reinforced support main journals are rotatably supported on the machine body through bearings, the rotary driving mechanism comprises a motor, the axis of the motor is parallel to the axis of the crankshaft, a belt pulley is arranged at the output end of the motor, a flywheel is sleeved on the end portion of the right support main journal corresponding to the belt pulley, the belt pulley is in transmission connection with the flywheel through a transmission belt, and a clutch is arranged on the right support main journal corresponding to the flywheel.
4. The closed double-point double-acting high-speed press according to claim 1 or 2, wherein the hinge points of the two sets of outer connecting rod assemblies and the main slide block are distributed in bilateral symmetry, the inner slide block is arranged in the middle of the main slide block, and the hinge points of the two sets of inner connecting rod assemblies and the inner slide block are distributed in bilateral symmetry.
5. The closed double-point double-acting high-speed press according to claim 1 or 2, wherein the main slide block and the inner slide block are rectangular, at least four vertical main guide rails are arranged on the press body corresponding to four corners of the main slide block, and at least four vertical inner guide rails are arranged inside the main slide block corresponding to four corners of the inner slide block.
6. The closed double-point double-acting high-speed press machine as claimed in claim 1 or 2, wherein the outer connecting rod assembly comprises an outer connecting rod body and an outer connecting rod upper cover, an arc-shaped groove is formed in the upper portion of the outer connecting rod body, the outer connecting rod upper cover is arc-shaped, the outer connecting rod body and the outer connecting rod upper cover are assembled into a circular mounting hole through which the crankshaft outer connecting rod journal can pass, a rolling bearing is arranged between the inner wall of the mounting hole and the outer connecting rod journal, an outer connecting rod lower cover is fixedly connected to the lower portion of the outer connecting rod body, a lower threaded hole is formed in the outer connecting rod lower cover in a penetrating manner, an upper threaded hole is vertically formed in the lower portion of the outer connecting rod body, an outer ball head screw rod axially passes through the lower threaded hole and extends into the upper threaded hole, two mounting cylinders are arranged on the main slide block corresponding to the two outer ball head screws, an oil cylinder is arranged in each mounting cylinder, a ball head seat is arranged in each oil cylinder, an arc-shaped groove is arranged on the surface, and a ball head corresponding to the outer ball head screw rod is matched with the arc-shaped groove of the ball head seat, the top of the mounting cylinder is fixedly connected with a cover plate, and a through hole which can be penetrated by a corresponding outer ball screw rod is arranged on the cover plate in a penetrating way.
7. The closed double-point double-acting high-speed press machine as claimed in claim 6, wherein the inner connecting rod assembly comprises an inner connecting rod body and an inner connecting rod upper cover, an arc-shaped groove is formed in the upper portion of the inner connecting rod body, the inner connecting rod upper cover is arc-shaped, a circular mounting hole capable of allowing a crankshaft inner connecting rod journal to pass through is formed by assembling the inner connecting rod body and the inner connecting rod upper cover, a rolling bearing is arranged between the inner wall of the mounting hole and the inner connecting rod journal, an inner connecting rod lower cover is fixedly connected to the lower portion of the inner connecting rod body, a lower threaded hole is formed in the inner connecting rod lower cover in a penetrating mode, an upper threaded hole is vertically formed in the lower portion of the inner connecting rod body, an inner ball head screw shaft axially penetrates through the lower threaded hole and extends into the upper threaded hole, two mounting cylinders are arranged on the inner slide block and correspond to the two inner ball head screws, oil cylinders are arranged in the mounting cylinders, and ball head seats matched with the inner ball head screws are arranged in the oil cylinders.
8. The closed double-point double-acting high-speed press according to claim 1 or 2, wherein the outer journal and the inner journal are arranged by being circumferentially staggered by 60 ° along the main reinforcing support journal, the stroke of the main slide block is 50mm, the stroke of the inner slide block is 80mm, and the inner slide block is located above the bottom surface of the main slide block when the main slide block reaches the bottom dead center.
9. The closed double-point double-acting high-speed press according to claim 1 or 2, wherein the punching frequency of the main slide block is 300 times/min, and dynamic balance devices are arranged on the machine body corresponding to the left side and the right side of the inner slide block.
10. A closed double-point double action high speed press according to claim 1 or 2, wherein the axes of the reinforcing support main journal, the left support main journal and the right support main journal coincide with each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197402.1A CN113828677A (en) | 2021-10-14 | 2021-10-14 | Closed double-point double-acting high-speed press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111197402.1A CN113828677A (en) | 2021-10-14 | 2021-10-14 | Closed double-point double-acting high-speed press |
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| CN113828677A true CN113828677A (en) | 2021-12-24 |
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| CN202111197402.1A Withdrawn CN113828677A (en) | 2021-10-14 | 2021-10-14 | Closed double-point double-acting high-speed press |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087225A (en) * | 2023-09-01 | 2023-11-21 | 浙江威荣精锻设备有限公司 | A double-action punch press and its use method |
| CN117358809A (en) * | 2023-11-23 | 2024-01-09 | 宁波固安力机械科技有限公司 | A kind of punch press four-column counterweight mechanism assembly and adjustment mechanism |
-
2021
- 2021-10-14 CN CN202111197402.1A patent/CN113828677A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087225A (en) * | 2023-09-01 | 2023-11-21 | 浙江威荣精锻设备有限公司 | A double-action punch press and its use method |
| CN117087225B (en) * | 2023-09-01 | 2025-12-02 | 浙江威荣精锻设备有限公司 | A compound-action punch press and its usage method |
| CN117358809A (en) * | 2023-11-23 | 2024-01-09 | 宁波固安力机械科技有限公司 | A kind of punch press four-column counterweight mechanism assembly and adjustment mechanism |
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Application publication date: 20211224 |
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