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

Abstract

The efficient-working high-precision punching machine for precision mechanical engineering machining comprises a machine body and a punching mechanism arranged on the upper portion of the machine body, a die limiting mechanism is arranged below the punching mechanism, and a knocking mechanism is arranged beside the die limiting mechanism; the stamping mechanism comprises a hydraulic cylinder, a stamping head is arranged at the output end of the hydraulic cylinder, a lubricating mechanism is arranged on the outer surface of the stamping head, and an upper die pressing plate is arranged at the bottom of the stamping head. The die limiting mechanism comprises a stamping table and a die arranged on the top of the stamping table, and a clamping mechanism is arranged on the stamping table. The device is simple in structure, reasonable in design and convenient to use, a die on a stamping table is clamped through the clamping mechanism, damage caused by deviation of the die during stamping of the die is prevented, stamping is more stable, the stamping working efficiency is improved, when the die is clamped, a clamping plate moves to drive a second push plate to move to guide the die, and the die is prevented from being damaged. And deviation during clamping is prevented, the clamping effect is improved, and the stamping efficiency is improved.

Description

Technical Field

[0001] The invention relates to a high-precision punching machine with high working efficiency 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 present invention improves the above-mentioned problem, that is, the technical problem to be solved by the present invention is to provide a high-precision punching machine with high efficiency for precision mechanical engineering processing, which has a simple structure and is easy to use, can stably limit the mold and improve the stamping quality.

[0005] The present invention is constructed as follows: it includes a machine body and a stamping mechanism arranged on the upper part of the machine body, a mold limiting mechanism for limiting the mold is arranged below the stamping mechanism, and a knocking mechanism is arranged beside the mold limiting mechanism; the stamping mechanism includes a hydraulic cylinder arranged on the inner wall of the upper part of the machine body, a stamping head is fixedly connected to the output end of the hydraulic cylinder, a lubrication mechanism is arranged on the outer surface of the stamping head, and an upper mold pressing plate is fixedly connected to the bottom of the stamping head; the mold limiting mechanism includes a stamping table arranged at the lower part of the machine body and a mold arranged on the top of the stamping table, and a clamping mechanism is arranged on the stamping table; The clamping mechanism includes a motor, 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, wherein the rotating shaft is fixedly connected to the output end of the motor, the gear is fixedly connected to the circumferential surface of the rotating shaft, a sliding groove is provided on the inner wall of the gear, the pulley is slidably connected in the sliding groove on the inner wall of the gear, the connecting rod is fixedly connected to the inner wall of the pulley, the L-shaped connecting rod is fixedly connected to the connecting rod, the connecting rod is rotatably connected to the inner wall of the L-shaped connecting rod, the clamping plate is fixedly connected to the top end of the connecting rod, the L-shaped connecting rod is fixedly connected to the outer surface of the clamping plate, the side of the push plate away from the stamping table is in contact with the inner wall of the L-shaped connecting rod, the elastic plunger rod is arranged on the side of the push plate close to the stamping table, and the push plate is arranged on the side of the elastic plunger rod away from the push plate.

[0006] Furthermore, the bottom of the clamping plate contacts the top of the punching table, and the top of the L-shaped connecting rod 1 contacts the bottom of the punching table.

[0007] Furthermore, 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 body.

[0008] Furthermore, 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.

[0009] Furthermore, the inner wall of the knocking rod 2 is slidably connected to the circumferential surface of the rotating shaft 3, and the circumferential surface of the rotating shaft 2 is rotationally connected to the inner wall of the body.

[0010] Furthermore, the circumferential surface of the rotating shaft 3 is rotatably connected to the inner wall of the machine body, and the bottom of the gear 2 is in contact with the inner wall of the machine body.

[0011] Furthermore, the lubrication mechanism includes a lubrication box, an oil cover, a lubricating fluid groove, a flap, a movable guide pipe, a baffle and a guide pipe. The lubrication box is fixedly connected to the top of the stamping head, the oil cover is fixedly installed on the top inner wall of the lubrication box, the lubricating fluid groove is opened on the inner wall of the stamping head, the flap is rotatably connected to the inner wall of the lubricating fluid groove, the inclined surface of the movable guide pipe 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 pipe, and the top of the guide pipe is fixedly connected to the inner wall of the stamping table.

[0012] Furthermore, the baffle is fixedly connected to both sides of the punching head, the circumferential surface of the guide tube and the inner wall of the second push plate.

[0013] Furthermore, a main console is fixedly connected to the left side of the machine body.

[0014] Furthermore, a working method of a high-precision punching machine with high efficiency for precision mechanical engineering processing is characterized in that it includes the following steps: (1) placing the mold on the stamping table, and the clamping plate of the mold limiting mechanism clamps the mold to limit the position; (2) the hydraulic cylinder of the stamping mechanism drives the stamping head and the upper mold pressing plate to move downward to stamp the mold; (3) during the stamping process, the baffle of the lubricating mechanism moves downward synchronously to block the mold during stamping to prevent elastic deformation of the mold after stamping, and at the same time, the lubricating oil of the lubricating mechanism flows from the guide pipe of the lubricating mechanism into the stamping table to facilitate the subsequent removal of the mold; (4) after the stamping is completed, the clamping plate of the mold limiting mechanism is released, and the knocking mechanism knocks on the bottom of the stamping table to cause the stamping table to vibrate to facilitate the removal of the mold.

[0015] Compared with the prior art, the present invention has the following beneficial effects: (1) The high-precision punching machine with high efficiency for precision mechanical engineering processing operates through the cooperation between 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. When the equipment opens a stamping die, the main console controls the manipulator to put the die into the stamping table, and then the main console starts the motor to drive the clamping plate to move and clamp the die on the stamping table to prevent the die from being offset and damaged during stamping, making the stamping more stable and improving the stamping work efficiency. When clamping the die, the clamping plate drives the push plate 2 to move and guide the die to prevent offset during clamping, thereby improving the clamping effect and enhancing the stamping efficiency.

[0016] (2) The high-precision punching machine with high working efficiency for precision mechanical engineering processing operates through the coordinated operation between 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.

[0017] (3) The high-precision punching machine with high working efficiency for precision mechanical engineering processing operates in coordination among the lubrication box, oil cover, lubricating tank, flap, 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 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 remove the mold, reducing damage to the mold and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of a clamping plate according to an embodiment of the present invention; Figure 3 for Figure 2 A schematic diagram of the enlarged structure in the middle; Figure 4 This is a structural schematic diagram of a knocking rod according to an embodiment of the present invention; Figure 5 This is a structural schematic diagram of a knocking rod 2 according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the structure of a lubrication box according to an embodiment of the present invention; Figure 7 for Figure 6 A magnified schematic diagram of structure B in the middle.

[0019] Markings in the figure: 1. body; 2. stamping head; 3. hydraulic cylinder; 4. upper mold pressure 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

[0020] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] Embodiment 1: As attached Figure 1-7 As shown, in this embodiment, a high-precision punching machine with high efficiency for precision mechanical engineering processing is provided, including a machine body 1 and a stamping mechanism arranged on the upper part of the machine body, a mold limiting mechanism is arranged below the stamping mechanism, and a knocking mechanism 6 is arranged next to the mold limiting mechanism; when working, the mold is placed on the stamping table, and the clamping plate of the mold limiting mechanism clamps and limits the mold; the hydraulic cylinder of the stamping mechanism drives the stamping head and the upper mold pressing plate to move downward to stamp the mold; during the stamping process, the baffle of the lubrication mechanism moves downward synchronously to block the mold during stamping to prevent elastic deformation of the mold after stamping, and at the same time, the lubricating oil of the lubrication mechanism flows from the guide pipe of the lubrication mechanism into the stamping table to facilitate the subsequent falling off of the mold; after the stamping is completed, the clamping plate of the mold limiting mechanism is released, and the knocking mechanism knocks on the bottom of the stamping table to make the stamping table vibrate to facilitate the falling off of the mold.

[0022] The stamping mechanism includes a hydraulic cylinder 3, a stamping head 2 is provided at the output end of the hydraulic cylinder, a lubrication mechanism 7 is provided on the outer surface of the stamping head, and an upper mold plate 4 is provided at the bottom of the stamping head; the mold limiting mechanism includes a stamping platform 9 and a mold 8 arranged on the top of the stamping platform 9, and a clamping mechanism 5 is provided on the stamping platform.

[0023] The punching table 9 is fixedly connected to the lower inner wall of the body 1, the inner wall of the punching table 9 is provided with a slide groove and is installed with a spring, a motor 10 is fixedly installed on the bottom inner wall of the body 1, and a main console 11 is fixedly connected to the left side of the body 1; the clamping mechanism 5 can be arranged on the inner wall of the body 1, and the knocking mechanism 6 can be arranged on the inner wall of the body 1.

[0024] 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 59 to move, and the movement of the push plate 59 drives the elastic plunger rod 510 to move, and the movement of the elastic plunger rod 510 drives the push plate 2 511 to guide the mold 8 to prevent deviation during clamping. At the same time, after the guidance, 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 stamping efficiency; the bottom of the clamping plate 57 contacts the top of the stamping table 9, the top of the L-shaped connecting rod 55 contacts the bottom of the stamping table 9, the bottom of the L-shaped connecting rod 55 contacts the top of the gear 52, and the bottom of the gear 52 contacts the inner wall of the body 1.

[0025] 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.

[0026] 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.

[0027] Example 2: Please refer to Figure 1-Figure 7On the basis of the above-mentioned embodiment 1, 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, and 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, and the hydraulic cylinder 3 drives 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.

[0028] 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.

[0029] Unless otherwise stated, any technical solution disclosed in the present invention disclosed above, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range, and any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many implementable numerical values. Since there are too many numerical values ​​to be exhaustive, the present invention discloses some numerical values ​​to illustrate the technical solution of the present invention, and the numerical values ​​listed above should not constitute a limitation on the scope of protection of the present invention.

[0030] If the words "first", "second" and so on are used in this article to limit components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of description to distinguish the components. Unless otherwise stated, the above words have no special meaning.

[0031] At the same time, if the above-mentioned invention discloses or involves components or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connected by bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except when it is obviously impossible to use an integrated molding process).

[0032] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the present invention include states or shapes that are approximate, similar, or close to them.

[0033] Any component provided by the present invention may be assembled from a plurality of separate components, or may be a separate component manufactured by an integral forming process.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the present invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention, which should be included in the scope of the technical solution for protection of the present invention.

Claims

1. A high-precision punching machine with high working efficiency for precision mechanical engineering processing, characterized in that: It comprises a machine body and a stamping mechanism arranged on the upper part of the machine body, a mold limiting mechanism for limiting the mold is arranged below the stamping mechanism, and a knocking mechanism is arranged beside the mold limiting mechanism; the stamping mechanism comprises a hydraulic cylinder arranged on the inner wall of the upper part of the machine body, a stamping head is fixedly connected to the output end of the hydraulic cylinder, a lubrication mechanism is arranged on the outer surface of the stamping head, and an upper mold pressing plate is fixedly connected to the bottom of the stamping head; the mold limiting mechanism comprises a stamping table arranged at the lower part of the machine body and a mold arranged on the top of the stamping table, and a clamping mechanism is arranged on the stamping table; The clamping mechanism includes a motor, 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, wherein the rotating shaft is fixedly connected to the output end of the motor, the gear is fixedly connected to the circumferential surface of the rotating shaft, a sliding groove is provided on the inner wall of the gear, the pulley is slidably connected in the sliding groove on the inner wall of the gear, the connecting rod is fixedly connected to the inner wall of the pulley, the L-shaped connecting rod is fixedly connected to the connecting rod, the connecting rod is rotatably connected to the inner wall of the L-shaped connecting rod, the clamping plate is fixedly connected to the top end of the connecting rod, the L-shaped connecting rod is fixedly connected to the outer surface of the clamping plate, the side of the push plate away from the stamping table is in contact with the inner wall of the L-shaped connecting rod, the elastic plunger rod is arranged on the side of the push plate close to the stamping table, and the push plate is arranged on the side of the elastic plunger rod away from the push plate.

2. The 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 contacts the top of the punching table, and the top of the L-shaped connecting rod 1 contacts the bottom of the punching table.

3. The high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 1, characterized in that: 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.

4. The high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 1, characterized in that: The knocking mechanism includes gear 2, rotating shaft 2, knocking rod 1, gear 3, rotating shaft 3, slider and knocking rod 2, gear 2 is meshed with the circumferential surface of gear 1, rotating shaft 2 is fixedly connected to the inner wall of gear 2, knocking rod 1 is fixedly connected to the circumferential surface of rotating shaft 2, gear 3 is meshed with the circumferential surface of gear 2, rotating shaft 3 is fixedly connected to the inner wall of gear 2, a sliding groove is provided on the inner wall of rotating shaft 3, the slider is slidably connected in the sliding groove on the inner wall of rotating shaft 3, knocking rod 2 is fixedly connected to the end of the slider away from rotating shaft 3, and a spring is fixedly installed on the inner wall of knocking rod 2.

5. The 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 is slidably connected to the circumferential surface of the rotating shaft 3, and the circumferential surface of the rotating shaft 2 is rotatably connected to the inner wall of the machine body.

6. The high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 4, characterized in that: The circumferential surface of the rotating shaft 3 is rotatably connected to the inner wall of the machine body, and the bottom of the gear 2 is in contact with the inner wall of the machine body.

7. The high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 1, characterized in that: The lubrication mechanism includes a lubrication box, an oil cover, a lubricating fluid groove, a flap, a movable guide pipe, a baffle and a guide pipe. 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 fluid groove is opened on the inner wall of the punching head, the flap is rotatably connected to the inner wall of the lubricating fluid groove, the inclined surface of the movable guide pipe 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 pipe, and the top of the guide pipe is fixedly connected to the inner wall of the punching table.

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

9. The high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 7, characterized in that: The left side of the machine body is fixedly connected with a main console.

10. The working method of the high-precision punching machine with high working efficiency for precision mechanical engineering processing according to claim 1, characterized in that: The method comprises the following steps: (1) placing the die on a stamping table, and the clamping plate of the die limiting mechanism clamps and limits the die; (2) the hydraulic cylinder of the stamping mechanism drives the stamping head and the upper die pressing plate to move downward to stamp the die; (3) during the stamping process, the baffle of the lubricating mechanism moves downward synchronously to block the die during stamping to prevent elastic deformation of the die after stamping, and at the same time, the lubricating oil of the lubricating mechanism flows from the guide pipe of the lubricating mechanism into the stamping table to facilitate the subsequent removal of the die; (4) after the stamping is completed, the clamping plate of the die limiting mechanism is released, and the knocking mechanism knocks on the bottom of the stamping table to make the stamping table vibrate to facilitate the removal of the die.

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