Efficient-working high-precision punching machine for precision mechanical engineering machining

Abstract

The invention relates to the technical field of high-precision punching machines, and discloses an efficient-working high-precision punching machine for precision mechanical engineering machining, which comprises a machine body, a hydraulic cylinder is fixedly connected to the inner wall of the machine body, a punching pressure head is fixedly connected to the output end of the hydraulic cylinder, and a punching table is fixedly connected to the inner wall of the machine body. When the equipment is provided with a stamping die, the master console controls the manipulator to put the die into the stamping table, and then the master console starts the motor to work to drive the clamping plate to move to clamp the die on the stamping table, so that damage caused by deviation of the die during stamping of the die is prevented, and stamping is more stable; and when the die is clamped, the clamping plate moves to drive the second push plate to move to guide the die, deviation during clamping is prevented, the clamping effect is improved, and the punching efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of high-precision punching machines, in particular to a high-efficiency high-precision punching machine used for precision mechanical engineering processing. Background Art

[0002] Compared with traditional machining, stamping technology saves materials and energy, has high efficiency, does not require high technical skills from operators, and can produce products that cannot be achieved by machining through various mold applications.

[0003] The patent with application number 202223451008.9 relates to a high-precision punching machine with high efficiency for precision mechanical engineering processing, and in particular includes a frame, which includes a workbench for placing workpieces; a stamping head, which is located directly above the workbench and can move up and down along the frame; a stamping drive mechanism, the stamping drive device includes a motor, the motor is connected to the stamping head through a crank connecting device, and when the motor rotates, the head can be driven to move up and down through the crank connecting device. At least one hydraulic cylinder is also provided on the frame, and the hydraulic rod of the hydraulic cylinder is vertically arranged and the end of the hydraulic rod is connected to the stamping head through a connecting frame. The connecting frame and the stamping head and the hydraulic rod are detachably connected to guide and apply force in multiple directions to the stamping head, and the stamping precision is high. However, it is difficult for this device to accurately guide the mold rectangle during stamping, resulting in the displacement of the mold. At the same time, the clamping is not stable enough during stamping, resulting in the possibility of damage to the mold and difficulty in accurate positioning. Therefore, a high-precision punching machine with high efficiency for precision mechanical engineering processing is proposed to solve the above-mentioned problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a high-precision punching machine with high working efficiency for precision mechanical engineering processing in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a high-precision punching machine with high working efficiency for precision mechanical engineering processing, comprising a machine body, the inner wall of the machine body is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a punching head, the bottom of the punching head is fixedly connected to an upper mold pressing plate, the inner wall of the machine body is fixedly connected to a punching table, the inner wall of the punching table is provided with a slide groove and a spring is installed, the top of the punching table is provided with a mold, the bottom inner wall of the machine body is fixedly installed with a motor, and the left side of the machine body is fixedly connected to a main console; the inner wall of the machine body is fixedly connected to a punching table, the inner wall of the punching table is provided with a slide groove and a spring is installed, the top of the punching table is provided with a mold, the bottom inner wall of the machine body is fixedly installed with a motor, and the left side of the machine body is fixedly connected to a main console; The wall is provided with a clamping mechanism, the inner wall of the body is provided with a knocking mechanism, and the outer surface of the punching head is provided with a lubrication mechanism; the clamping mechanism includes a rotating shaft 1, a gear 1, a pulley, a connecting rod 1, an L-shaped connecting rod 1, a connecting rod 2, a clamping plate, an L-shaped connecting rod 2, a push plate 1, an elastic plunger rod and a push plate 2, the rotating shaft 1 is fixedly connected to the output end of the motor, the gear 1 is fixedly connected to the circumferential surface of the rotating shaft 1, a sliding groove is opened on the inner wall of the gear 1, the pulley is slidably connected in the sliding groove of the inner wall of the gear 1, the connecting rod 1 is fixedly connected to the inner wall of the pulley, the L-shaped The connecting rod one is fixedly connected to the connecting rod one, the connecting rod two is rotatably connected to the inner wall of the L-shaped connecting rod one, the clamping plate is fixedly connected to the top of the connecting rod two, the L-shaped connecting rod two is fixedly connected to the outer surface of the clamping plate, the side of the push plate one away from the stamping table is in contact with the inner wall of the L-shaped connecting rod two, the elastic plunger rod is fixedly connected to the side of the push plate one close to the stamping table, and the push plate two is fixedly connected to the side of the elastic plunger rod away from the push plate one. When the equipment opens the stamping die, the main console controls the manipulator to put the die into the stamping table, and the main console starts the motor to drive the clamping plate to work. The holding plate moves to clamp the mold on the stamping table to prevent the mold from being damaged due to deviation when stamping the mold, making the stamping more stable and improving the work efficiency of the stamping. When clamping the mold, the clamping plate moves to drive the push plate 2 to move to guide the mold to prevent deviation during clamping, improve the clamping effect, and enhance the efficiency of stamping. The bottom of the clamping plate contacts the top of the stamping table, the top of the L-shaped connecting rod 1 contacts the bottom of the stamping table, the bottom of the L-shaped connecting rod 1 contacts the top of the gear 1, and the bottom of the gear 1 contacts the inner wall of the machine body.

[0006] Preferably, the knocking mechanism includes gear 2, rotating shaft 2, knocking rod 1, gear 3, rotating shaft 3, slider and knocking rod 2, the gear 2 is meshed with the circumferential surface of gear 1, the rotating shaft 2 is fixedly connected to the inner wall of gear 2, the knocking rod 1 is fixedly connected to the circumferential surface of rotating shaft 2, the gear 3 is meshed with the circumferential surface of gear 2, the rotating shaft 3 is fixedly connected to the inner wall of gear 2, a sliding groove is provided on the inner wall of the rotating shaft 3, the slider is slidably connected in the sliding groove on the inner wall of the rotating shaft 3, the knocking rod 2 is fixedly connected to the end of the slider away from the rotating shaft 3, and a spring is fixedly installed on the inner wall of the knocking rod 2; when the mold is pressed against the mold ... circumferential surface of the gear 2, the rotating shaft 3 is fixedly connected to the inner wall of the gear 2; After clamping, the motor drives the knocking rod one to knock on the stamping table to prevent the mold from getting stuck and not falling off after stamping, thereby improving the discharge performance of the mold and saving discharge time. When the knocking rod one knocks on the stamping table, the gear three rotates to drive the knocking rod two to move and knock on the bottom of the stamping table, allowing the stamping table to vibrate, making it easier to fall off the mold and improving production efficiency. The inner wall of the knocking rod two is slidingly connected to the circumferential surface of the rotating shaft three, and the circumferential surface of the rotating shaft two is rotatably connected to the inner wall of the machine body; the circumferential surface of the rotating shaft three is rotatably connected to the inner wall of the machine body, and the bottom of the gear two is in contact with the inner wall of the machine body.

[0007] Preferably, the lubrication mechanism comprises a lubrication box, an oil cover, a lubricating liquid groove, a flap, a movable guide tube, a baffle and a guide tube, the lubrication box is fixedly connected to the top of the punching head, the oil cover is fixedly installed on the top inner wall of the lubrication box, the lubricating liquid groove is opened on the inner wall of the punching head, the flap is rotatably connected to the inner wall of the lubricating liquid groove, the inclined surface of the movable guide tube contacts the bottom of the flap when sliding, the inner wall of the baffle is slidably connected to the outer surface of the movable guide tube, and the top of the guide tube is fixedly connected Connected to the inner wall of the stamping table; start the hydraulic cylinder through the main console, the hydraulic cylinder drives the baffle to move down to block the mold during stamping, prevent the mold from elastic deformation after stamping, and improve the quality of the mold 8 after stamping. At the same time, the stamping head moves downward, drives the lubrication box to move downward, and drives the lubricating oil from the guide pipe to flow into the stamping table, making it easier to fall off the mold, reducing damage to the mold and improving work efficiency. The baffle is fixedly connected to both sides of the stamping head, and the circumferential surface of the guide pipe is connected to the inner wall of the push plate 2.

[0008] The present invention adopts the above technical solution to bring the following beneficial effects: 1. This is a high-precision punching machine with high efficiency for precision mechanical engineering processing. Through the coordinated operation of a rotating shaft, a gear, a pulley, a connecting rod, an L-shaped connecting rod, a connecting rod, a clamping plate, an L-shaped connecting rod, a push plate, an elastic plunger rod and a push plate, when the equipment opens a stamping die, the main console controls the manipulator to put the die into the stamping table, and the main console starts the motor to drive the clamping plate to move to clamp the die on the stamping table to prevent the die from being offset and damaged when the die is stamped, making the stamping more stable and improving the stamping work efficiency. When clamping the die, the clamping plate moves to drive the push plate to move to guide the die to prevent offset during clamping, thereby improving the clamping effect and enhancing the stamping efficiency.

[0009] 2. This is a high-precision punching machine with high efficiency for precision mechanical engineering processing. Through the coordinated operation of gear 2, shaft 2, knocking rod 1, gear 3, shaft 3, slider and knocking rod 2, after the mold is clamped, the motor drives the knocking rod 1 to knock on the punching table to prevent the mold from getting stuck and not easy to fall off after punching, thereby improving the discharge performance of the mold and saving discharge time. When the knocking rod 1 knocks on the punching table, gear 3 rotates and drives the knocking rod 2 to move and knock on the bottom of the punching table, so that the punching table vibrates, which makes it easier to fall off the mold and improves production efficiency.

[0010] 3. This is a high-precision punching machine with high efficiency for precision mechanical engineering processing. Through the coordinated operation of the lubrication box, oil cover, lubricating tank, flip cover, movable guide tube, baffle and guide tube, the hydraulic cylinder is started through the main console. The hydraulic cylinder drives the baffle to move down to block the mold during stamping, preventing the mold from elastic deformation after stamping, thereby improving the quality of the mold 8 after stamping. At the same time, the downward movement of the stamping head drives the downward movement of the lubrication box and drives the lubricating oil to flow from the guide tube into the stamping table, making it easier to fall off the mold, reducing damage to the mold and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the clamping plate of the present invention; Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged structure in the middle; Figure 4 This is a structural schematic diagram of a knocking rod of the present invention; Figure 5 This is a structural schematic diagram of the knocking rod 2 of the present invention; Figure 6 This is a schematic diagram of the structure of the lubrication box of the present invention; Figure 7 For the present invention Figure 6 A magnified schematic diagram of structure B in the middle.

[0012] In the figure: 1. body; 2. punch head; 3. hydraulic cylinder; 4. upper mold plate; 5. clamping mechanism; 51. rotating shaft 1; 52. gear 1; 53. pulley; 54. connecting rod 1; 55. L-shaped connecting rod 1; 56. connecting rod 2; 57. clamping plate; 58. L-shaped connecting rod 2; 59. push plate 1; 510. elastic plunger rod; 511. push plate 2; 6. knocking mechanism; 61. gear 2; 62. rotating shaft 2; 63. knocking rod 1; 64. gear 3; 65. rotating shaft 3; 66. slider; 67. knocking rod 2; 7. lubrication mechanism; 71. lubrication box; 72. oil cover; 73. lubricating fluid tank; 74. flip cover; 75. movable guide tube; 76. baffle; 77. guide tube; 8. mold; 9. stamping table; 10. motor; 11. main control console. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] See also Figure 1-Figure 7, one embodiment of the present invention is: a high-precision punching machine with high efficiency for precision mechanical engineering processing, comprising a machine body 1, a hydraulic cylinder 3 is fixedly connected to the inner wall of the machine body 1, a punching head 2 is fixedly connected to the output end of the hydraulic cylinder 3, an upper mold platen 4 is fixedly connected to the bottom of the punching head 2, a punching table 9 is fixedly connected to the inner wall of the machine body 1, a slide groove is opened on the inner wall of the punching table 9 and a spring is installed, a mold 8 is arranged on the top of the punching table 9, a motor 10 is fixedly installed on the bottom inner wall of the machine body 1, and a main console 11 is fixedly connected to the left side of the machine body 1; a clamping mechanism 5 is arranged on the inner wall of the machine body 1, a knocking mechanism 6 is arranged on the inner wall of the machine body 1, and a lubrication mechanism 7 is arranged on the outer surface of the punching head 2;The clamping mechanism 5 includes a rotating shaft 51, a gear 52, a pulley 53, a connecting rod 54, an L-shaped connecting rod 55, a connecting rod 56, a clamping plate 57, an L-shaped connecting rod 58, a push plate 59, an elastic plunger rod 510 and a push plate 511. The rotating shaft 51 is fixedly connected to the output end of the motor 10, the gear 52 is fixedly connected to the circumferential surface of the rotating shaft 51, the inner wall of the gear 52 is provided with a sliding groove, the pulley 53 is slidably connected to the sliding groove of the inner wall of the gear 52, the connecting rod 54 is fixedly connected to the inner wall of the pulley 53, the L-shaped connecting rod 55 is fixedly connected to the connecting rod 54, and the connecting rod 56 rotates Connected to the inner wall of the L-shaped connecting rod 155, when the equipment opens the stamping die 8, the main console 11 controls the manipulator to put the die 8 into the stamping table 9, and the main console 11 starts the motor 10 to drive the rotating shaft 151 to rotate, the rotation of the rotating shaft 151 drives the gear 152 to rotate, the rotation of the gear 152 drives the inner wall sliding groove to contact the circumferential surface of the pulley 53 to drive the pulley 53 to move, the movement of the pulley 53 drives the connecting rod 154 to move, the movement of the connecting rod 154 drives the L-shaped connecting rod 155 to move, the movement of the L-shaped connecting rod 155 drives the connecting rod 256 to move, the movement of the connecting rod 256 drives the clamping plate 57 to move to clamp the die 8 on the stamping table 9 to prevent the die 8 from being pressed. The mold 8 is offset and damaged during stamping, which makes the stamping more stable and improves the working efficiency of the stamping. The clamping plate 57 is fixedly connected to the top of the connecting rod 2 56, and the L-shaped connecting rod 2 58 is fixedly connected to the outer surface of the clamping plate 57. The side of the push plate 1 59 away from the stamping table 9 is in contact with the inner wall of the L-shaped connecting rod 2 58. The elastic plunger rod 510 is fixedly connected to the side of the push plate 1 59 close to the stamping table 9, and the push plate 2 511 is fixedly connected to the side of the elastic plunger rod 510 away from the push plate 1 59. When the mold 8 is clamped, the clamping plate 57 moves, driving the L-shaped connecting rod 2 58 to move, and the L-shaped connecting rod 2 58 moves and contacts the outer surface of the push plate 1 59. The contact drives the push plate 1 59 to move, the push plate 1 59 moves to drive the elastic plunger rod 510 to move, the elastic plunger rod 510 moves to drive the push plate 2 511 to move to guide the mold 8 to prevent deviation during clamping, and at the same time, after the guidance, the push plate 2 511 moves backwards and the elastic plunger rod 510 moves backwards to prevent damage to the mold 8, thereby improving the clamping effect and enhancing the efficiency of stamping; the bottom of the clamping plate 57 contacts the top of the stamping table 9, the top of the L-shaped connecting rod 1 55 contacts the bottom of the stamping table 9, the bottom of the L-shaped connecting rod 1 55 contacts the top of the gear 1 52, and the bottom of the gear 1 52 contacts the inner wall of the body 1. ;

[0015] Preferably, the knocking mechanism 6 includes a second gear 61, a second shaft 62, a knocking rod 63, a third gear 64, a third shaft 65, a slider 66 and a second knocking rod 67. The second gear 61 is meshed with the circumferential surface of the first gear 52, the second shaft 62 is fixedly connected to the inner wall of the second gear 61, and the knocking rod 63 is fixedly connected to the circumferential surface of the second shaft 62. After the mold 8 is clamped, the motor 10 drives the first gear 52 to rotate, and the rotation of the first gear 52 drives the outer The gear 2 61 meshed with the face gear rotates, the gear 2 61 rotates to drive the shaft 2 62 to rotate, the shaft 2 62 rotates to drive the knocking rod 1 63 to rotate, when the stamping is done, the clamping plate 57 is loosened, the knocking rod 1 63 knocks on the stamping table 9 to prevent the mold 8 from getting stuck and not being easy to fall off after the stamping, thereby improving the discharge performance of the mold 8 and saving the discharge time. The gear 3 64 meshes with the circumferential surface of the gear 2 61, and the shaft 3 65 is fixedly connected to the inner wall of the gear 2 61 The inner wall of the rotating shaft 3 65 is provided with a slide groove, the slider 66 is slidably connected in the slide groove of the inner wall of the rotating shaft 3 65, the knocking rod 2 67 is fixedly connected to the end of the slider 66 away from the rotating shaft 3 65, and the inner wall of the knocking rod 2 67 is fixedly installed with a spring; when the knocking rod 1 63 knocks on the punching table 9, the gear 2 61 drives the gear 3 64 to rotate, the gear 3 64 rotates to drive the rotating shaft 3 65 to rotate, and the rotating shaft 3 65 rotates to drive the slider 66 in the circumferential surface slide groove Move, the movement of the slider 66 drives the knocking rod 2 67 to move and knock on the bottom of the punching table 9, so that the punching table 9 vibrates, which is more convenient for the mold 8 to fall off and improves the production efficiency. The inner wall of the knocking rod 2 67 is slidably connected with the circumferential surface of the rotating shaft 3 65, and the circumferential surface of the rotating shaft 2 62 is rotatably connected with the inner wall of the body 1; the circumferential surface of the rotating shaft 3 65 is rotatably connected with the inner wall of the body 1, and the bottom of the gear 2 61 is in contact with the inner wall of the body 1.

[0016] Working principle: When the equipment opens the stamping die 8, the main console 11 controls the manipulator to put the die 8 into the stamping table 9, and the main console 11 starts the motor 10 to drive the shaft 51 to rotate, the shaft 51 rotates to drive the gear 52 to rotate, the gear 52 rotates to drive the inner wall sliding groove to contact the circumferential surface of the pulley 53 to drive the pulley 53 to move, the pulley 53 moves to drive the connecting rod 54 to move, the connecting rod 54 moves to drive the L-shaped connecting rod 55 to move, the L-shaped connecting rod 55 moves to drive the connecting rod 2 56 to move, the connecting rod 2 56 moves to drive the clamping plate 57 to clamp the die 8 on the stamping table 9 to prevent the die from being pressed. 8 During stamping, the mold 8 deviates and is damaged, which makes the stamping more stable and improves the working efficiency of the stamping. When the mold 8 is clamped, the clamping plate 57 moves to drive the L-shaped connecting rod 2 58 to move, and the L-shaped connecting rod 2 58 moves to contact the outer surface of the push plate 1 59 to drive the push plate 1 59 to move, and the push plate 1 59 moves to drive the elastic plunger rod 510 to move, and the elastic plunger rod 510 moves to drive the push plate 2 511 to guide the mold 8 to prevent deviation during clamping. At the same time, after the guidance is good, the push plate 2 511 moves backward and the elastic plunger rod 510 moves backward to prevent damage to the mold 8, thereby improving the clamping effect and enhancing the efficiency of stamping. After the mold 8 is clamped, the motor 10 drives the gear 1 52 to rotate, and the rotation of the gear 1 52 drives the gear 2 61 meshing with the outer surface gear to rotate, and the rotation of the gear 2 61 drives the rotating shaft 2 62 to rotate, and the rotation of the rotating shaft 2 62 drives the knocking rod 1 63 to rotate. When the stamping is completed, the clamping plate 57 is released, and the knocking rod 1 63 knocks on the stamping table 9 to prevent the mold 8 from getting stuck and not falling off after stamping, thereby improving the discharge performance of the mold 8 and saving discharge time. When the knocking rod 1 63 knocks on the stamping table 9, the gear 2 61 drives the gear 3 64 to rotate, and the rotation of the gear 3 64 drives the rotating shaft 3 65 to rotate. The rotation of the rotating shaft 3 65 drives the slider 66 in the circumferential surface slide groove to move, and the movement of the slider 66 drives the knocking rod 2 67 to move and knock on the bottom of the stamping table 9, so that the stamping table 9 vibrates, which makes it more convenient to fall off the mold 8 and improves production efficiency.

[0017] See also Figure 1-Figure 7On the basis of the above embodiment, in another embodiment of the present invention, the lubrication mechanism 7 includes a lubrication box 71, an oil cover 72, a lubricating tank 73, a flap 74, a movable guide tube 75, a baffle 76 and a guide tube 77. The lubrication box 71 is fixedly connected to the top of the punching head 2, the oil cover 72 is fixedly installed on the top inner wall of the lubrication box 71, the lubricating tank 73 is opened on the inner wall of the punching head 2, the flap 74 is rotatably connected to the inner wall of the lubricating tank 73, the inclined surface of the movable guide tube 75 contacts the bottom of the flap 74 when sliding, the inner wall of the baffle 76 is slidably connected to the outer surface of the movable guide tube 75, the hydraulic cylinder 3 is started to work through the main console 11, the hydraulic cylinder 3 works to drive the punching head 2 to move, the movement of the punching head 2 drives the upper mold platen 4 to move, when the upper mold platen 4 punches the mold 8, the punching head 2 moves downward to drive the baffle 76 The baffle plate 76 moves downward to block the die 8 during stamping, preventing the die 8 from elastic deformation after stamping, thereby improving the quality of the die 8 after stamping. The top of the guide tube 77 is fixedly connected to the inner wall of the stamping table 9, and the baffle plate 76 is fixedly connected to both sides of the stamping head 2. The circumferential surface of the guide tube 77 and the inner wall of the push plate 2 511 simultaneously drive the lubrication box 71 to move downward, and at the same time, the movement of the baffle plate 76 drives the movable guide tube 75 to move downward, and the bottom of the movable guide tube 75 contacts the top of the guide tube 77, driving the movable guide tube 75 to slide upward and open the flip cover 74. The lubricating oil flows from the lubricating liquid groove 73 to the inner wall of the movable guide tube 75, and at the same time, the lubricating oil flows from the inner wall of the movable guide tube 75 into the inner wall of the guide tube 77, and the lubricating oil flows from the guide tube 77 into the stamping table 9, making it easier for the die 8 to fall off, reducing damage to the die 8 and improving work efficiency.

[0018] Working principle: the hydraulic cylinder 3 is started through the main console 11, and the hydraulic cylinder 3 drives the stamping head 2 to move, and the movement of the stamping head 2 drives the upper mold plate 4 to move. When the upper mold plate 4 stamps the mold 8, the stamping head 2 moves downward to drive the baffle 76 to move. The baffle 76 moves downward to block the mold 8 during stamping to prevent the mold 8 from elastic deformation after stamping, thereby improving the quality of the mold 8 after stamping. At the same time, the stamping head 2 moves downward to drive the lubrication box 71 to move downward, and the movement of the baffle 76 drives the moving guide tube 75 to move downward. The moving bottom of the moving guide tube 75 contacts the top of the guide tube 77, driving the moving guide tube 75 to slide upward and open the flip cover 74. The lubricating oil flows from the lubricating fluid groove 73 to the inner wall of the moving guide tube 75, and at the same time, the lubricating oil flows from the inner wall of the moving guide tube 75 into the inner wall of the guide tube 77, and the lubricating oil flows from the guide tube 77 into the stamping table 9, making it easier for the mold 8 to fall off, reducing damage to the mold 8 and improving work efficiency.

[0019] The present invention provides a high-precision punching machine with high efficiency for precision mechanical engineering processing. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A high-precision punching machine for precision mechanical engineering processing with high working efficiency, comprising a machine body (1), characterized in that: The inner wall of the machine body (1) is fixedly connected to a hydraulic cylinder (3), the output end of the hydraulic cylinder (3) is fixedly connected to a punching head (2), the bottom of the punching head (2) is fixedly connected to an upper mold pressing plate (4), the inner wall of the machine body (1) is fixedly connected to a punching table (9), a sliding groove is provided on the inner wall of the punching table (9) and a spring is installed, a mold (8) is arranged on the top of the punching table (9), a motor (10) is fixedly installed on the inner wall of the bottom of the machine body (1), and a main control console (11) is fixedly connected to the left side of the machine body (1); The inner wall of the machine body (1) is provided with a clamping mechanism (5), the inner wall of the machine body (1) is provided with a knocking mechanism (6), and the outer surface of the punch head (2) is provided with a lubrication mechanism (7); The clamping mechanism (5) comprises a rotating shaft (51), a gear (52), a pulley (53), a connecting rod (54), an L-shaped connecting rod (55), a connecting rod (56), a clamping plate (57), an L-shaped connecting rod (58), a push plate (59), an elastic plunger rod (510) and a push plate (511), wherein the rotating shaft (51) is fixedly connected to the output end of the motor (10), the gear (52) is fixedly connected to the circumferential surface of the rotating shaft (51), the inner wall of the gear (52) is provided with a sliding groove, the pulley (53) is slidably connected to the sliding groove on the inner wall of the gear (52), the connecting rod (54) is fixedly connected to the pulley (5 3), the L-shaped connecting rod 1 (55) is fixedly connected to the connecting rod 1 (54), the connecting rod 2 (56) is rotatably connected to the inner wall of the L-shaped connecting rod 1 (55), the clamping plate (57) is fixedly connected to the top of the connecting rod 2 (56), the L-shaped connecting rod 2 (58) is fixedly connected to the outer surface of the clamping plate (57), the side of the push plate 1 (59) away from the punching table (9) is in contact with the inner wall of the L-shaped connecting rod 2 (58), the elastic plunger rod (510) is fixedly connected to the side of the push plate 1 (59) close to the punching table (9), and the push plate 2 (511) is fixedly connected to the side of the elastic plunger rod (510) away from the push plate 1 (59).

2. A high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 1, characterized in that: The bottom of the clamping plate (57) contacts the top of the punching table (9), and the top of the L-shaped connecting rod 1 (55) contacts the bottom of the punching table (9).

3. A high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 2, characterized in that: The bottom of the L-shaped connecting rod 1 (55) contacts the top of the gear 1 (52), and the bottom of the gear 1 (52) contacts the inner wall of the machine body (1).

4. A high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 3, characterized in that: The knocking mechanism (6) comprises a second gear (61), a second rotating shaft (62), a knocking rod (63), a third gear (64), a third rotating shaft (65), a slider (66) and a second knocking rod (67), wherein the second gear (61) is meshed with the circumferential surface of the first gear (52), the second rotating shaft (62) is fixedly connected to the inner wall of the second gear (61), the knocking rod (63) is fixedly connected to the circumferential surface of the second rotating shaft (62), and the The gear three (64) is meshed with the circumferential surface of the gear two (61), the rotating shaft three (65) is fixedly connected to the inner wall of the gear two (61), the inner wall of the rotating shaft three (65) is provided with a sliding groove, the slider (66) is slidably connected in the sliding groove of the inner wall of the rotating shaft three (65), the knocking rod two (67) is fixedly connected to the end of the slider (66) away from the rotating shaft three (65), and the inner wall of the knocking rod two (67) is fixedly installed with a spring.

5. A high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 4, characterized in that: The inner wall of the knocking rod 2 (67) is slidably connected to the circumferential surface of the rotating shaft 3 (65), and the circumferential surface of the rotating shaft 2 (62) is rotatably connected to the inner wall of the machine body (1).

6. A high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 5, characterized in that: The circumferential surface of the rotating shaft 3 (65) is rotatably connected to the inner wall of the machine body (1), and the bottom of the gear 2 (61) is in contact with the inner wall of the machine body (1).

7. A high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 6, characterized in that: The lubrication mechanism (7) comprises a lubrication box (71), an oil cover (72), a lubricating fluid groove (73), a flap (74), a movable guide tube (75), a baffle (76) and a guide tube (77); the lubrication box (71) is fixedly connected to the top of the punching head (2); the oil cover (72) is fixedly mounted on the top inner wall of the lubrication box (71); the lubricating fluid groove (73) is provided on the inner wall of the punching head (2); the flap (74) is rotatably connected to the inner wall of the lubricating fluid groove (73); the inclined surface of the movable guide tube (75) contacts the bottom of the flap (74) when sliding; the inner wall of the baffle (76) is slidably connected to the outer surface of the movable guide tube (75); and the top of the guide tube (77) is fixedly connected to the inner wall of the punching table (9).

8. The high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 7, characterized in that: The baffle (76) is fixedly connected to both sides of the punching head (2), and the circumferential surface of the guide tube (77) is connected to the inner wall of the second push plate (511).

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