Shearing device
By designing a shearing device including left and right rotating ball screw mechanism and servo motor, the problems of low shear efficiency and insufficient automation in the injection molding machine are solved, and efficient and automated shearing and precise cutting surface flattening are achieved.
Patent Information
- Application Number
- CN202411980483.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-04-04
AI Technical Summary
In the prior art, the plastic parts used for molding in the optical industry have low shear efficiency and cannot be fully automated. It also requires manual polishing to ensure flat cutting surfaces, which has problems with low efficiency and yield.
A shearing device including left and right rotating ball screw mechanism, servo motor, upper blade mechanism, lower blade mechanism and base is designed. Automatic shearing of the water port is achieved through the coordinated operation of the upper and lower blade mechanisms, and shearing accuracy is ensured through linear slide rails and slider guidance.
It realizes efficient and automated water outlet shearing, improves shear efficiency and accuracy, reduces the demand for manual operation, and improves the yield rate.
Smart Images
Figure CN119748782A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of plastic part shearing, and in particular to a shearing device. Background Art
[0002] At present, the demand for injection molding machines in the optical industry is also increasing, such as the injection molding of lens barrels. This type of plastic part is formed by a spot casting mold, and when the injection molding is completed and taken out, there will be residual sprues. Usually these sprues are cut off manually, but manual sprue cutting is inefficient and cannot be fully automated. In addition, in order to ensure the smoothness of the cut surface, secondary grinding must be performed after manual operation, which has problems with low efficiency and yield rate. Therefore, there is an urgent need for a shearing device that can fully meet the automation requirements to achieve high-yield, stable and efficient sprue cutting. Summary of the invention
[0003] The object of the present invention is to at least solve one of the technical problems existing in the prior art. The present invention provides a shearing device for shearing the water outlet of plastic parts, comprising: a left-right rotating ball screw mechanism, a servo motor, an upper blade mechanism, a lower blade mechanism and a base; the left-right rotating ball screw mechanism comprises a screw mounting plate, an upper screw bearing seat, a lower screw bearing seat, a left-right rotating ball screw, an upper screw nut, a lower screw nut, an upper slider, a lower slider and a linear slide rail, the upper screw bearing seat and the lower screw bearing seat are symmetrically fixed to the upper and lower sides of the screw mounting plate, and the two sides of the left-right rotating ball screw are rotatably connected to the upper screw bearing seat and the lower screw bearing seat respectively; the upper screw nut The nut and the lower screw nut are symmetrically arranged on the left-right rotating ball screw, and move toward each other or away from each other when the left-right rotating ball screw rotates; the linear slide rail is parallel to the left-right rotating ball screw and is installed on the screw mounting plate, and the upper slider and the lower slider are arranged on the linear slide rail; the servo motor is fixed on the left-right rotating ball screw mechanism and connected to the left-right rotating ball screw, and is used to drive the left-right rotating ball screw to rotate; the upper blade mechanism is fixedly connected to the upper screw nut and the upper slider; the lower blade mechanism is fixedly connected to the lower screw nut and the lower slider; the left-right rotating ball screw mechanism is fixed on the base.
[0004] According to one embodiment of the present application, the left-right rotating ball screw mechanism also includes a sensor mounting plate and a plurality of slot-type photoelectric switches. The sensor mounting plate is parallel to the left-right rotating ball screw and is mounted on the screw mounting plate. The plurality of slot-type photoelectric switches are evenly distributed on the sensor mounting plate.
[0005] According to one embodiment of the present application, the left-right rotation ball screw mechanism also includes an upper fixed plate, a lower fixed plate, an upper buffer pad and a lower buffer pad, the upper fixed plate and the lower fixed plate are respectively fixed to the upper and lower sides of the screw mounting plate, the upper screw bearing seat is fixed to the upper fixed plate, the lower screw bearing seat is fixed to the lower fixed plate, the upper buffer pad is fixed to the upper fixed plate and faces the upper screw nut, and the lower buffer pad is fixed to the lower fixed plate and faces the lower screw nut.
[0006] According to one embodiment of the present application, the left-right rotating ball screw mechanism also includes an upper and lower main board, a spring, a bolt adjustment block and an adjusting bolt. The screw mounting plate is fixed to the upper and lower main boards. The adjusting bolt is threadedly connected to the bolt adjustment block. The spring clip is arranged between the adjusting bolt and the upper and lower main boards. Rotating the adjusting bolt is used to adjust the position of the upper and lower main boards.
[0007] According to one embodiment of the present application, the upper blade mechanism comprises an upper tool holder movable block, an upper slider mounting plate, an upper blade mounting block and an upper blade, the upper tool holder movable block is provided with an upper nut through hole, the upper slider mounting plate and the upper blade mounting block are respectively fixed to two side edges of the upper tool holder movable block, the upper blade is mounted on the upper blade mounting block and faces the lower blade mechanism, the upper slider mounting plate is fixedly connected to the upper slider, and the upper screw nut is installed in the upper nut through hole; the lower blade mechanism comprises a lower tool holder movable block, a lower slider mounting plate, a lower blade mounting block and a lower blade, a lower nut through hole is provided under the lower tool holder movable block, the lower slider mounting plate and the lower blade mounting block are respectively fixed to two side edges of the lower tool holder movable block, the lower blade is mounted under the lower blade mounting block and faces the upper blade mechanism, the lower slider mounting plate is fixedly connected to the lower slider, and the lower screw nut is installed in the lower nut through hole.
[0008] According to one embodiment of the present application, the upper blade mechanism also includes an upper heating rod, an upper thermocouple and an upper thermal insulation sheet, the upper heating rod is arranged in the upper blade mounting block, the upper thermocouple is installed on the upper blade mounting block and is close to the upper blade, and the upper thermal insulation sheet is clamped between the upper blade holder movable block and the upper blade mounting block; the lower blade mechanism also includes a lower heating rod, a lower thermocouple and a lower thermal insulation sheet, the lower heating rod is arranged in the lower blade mounting block, the lower thermocouple is installed under the lower blade mounting block and is close to the lower blade, and the lower thermal insulation sheet is clamped between the lower blade holder movable block and the lower blade mounting block.
[0009] According to one embodiment of the present application, the upper blade mechanism also includes an upper blade adjustment plate and an upper screw, the upper blade is connected to the upper blade adjustment plate through the upper screw, the upper blade adjustment plate is fixedly connected to the upper blade mounting block, and the upper screw can adjust the position of the upper blade and the upper blade adjustment plate; the lower blade mechanism also includes a lower blade adjustment plate and a lower screw, the lower blade is connected to the lower blade adjustment plate through the lower screw, the lower blade adjustment plate is fixedly connected to the lower blade mounting block, and the lower screw can adjust the position of the lower blade and the lower blade adjustment plate.
[0010] According to one embodiment of the present application, the base includes a bottom plate, a first slider, a first direction adjustment plate, a second slider and a second direction adjustment plate, the first slider is fixed to the bottom plate along a first direction, the first direction adjustment plate is arranged on the bottom plate, and can slide relative to the bottom plate along the first direction through the first slider; the second slider is fixed to the first direction adjustment plate along the second direction, the second direction adjustment plate is arranged on the first direction adjustment plate, and can slide relative to the first direction adjustment plate along the second direction through the second slider, wherein the first direction and the second direction intersect; the left-right rotation ball screw mechanism is installed on the second direction adjustment plate.
[0011] According to one embodiment of the present application, the base also includes a first elastic member, a first elastic limiting plate, a first differential head and a first differential fixing plate, the first elastic limiting plate and the first differential fixing plate are fixed on both sides of the bottom plate along the first direction, the first elastic member is clamped between the first elastic limiting plate and the first direction adjustment plate, and the first differential head is installed on the first differential fixing plate and abuts against the first direction adjustment plate.
[0012] According to one embodiment of the present application, the base also includes a second elastic member, a second elastic limiting plate, a second differential head and a second differential fixing plate, the second elastic limiting plate and the second differential fixing plate are fixed on both sides of the first direction adjustment plate along the second direction, the second elastic member is clamped between the second elastic limiting plate and the second direction adjustment plate, and the second differential head is installed on the second differential fixing plate and abuts against the second direction adjustment plate.
[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) The upper blade mechanism and the lower blade mechanism used for shearing realize the shearing action through the upper screw nut and the lower screw nut on the left-right rotating ball screw, the shearing method is simple, and the water outlet can be automatically sheared; the upper blade mechanism and the lower blade mechanism are used to shear the water outlet at the same time, and the shearing efficiency is high. (2) The upper blade mechanism and the lower blade mechanism are guided by the upper slider and the lower slider set on the linear slide rail, and cooperate with the upper screw nut and the lower screw nut to ensure the stable operation of the upper blade mechanism and the lower blade mechanism, improve the shearing accuracy of the water outlet, and ensure the flatness of the shearing surface. (3) The upper heating rod and the lower heating rod are set at the connection between the upper blade and the lower blade to improve the shearing ability of the upper blade and the lower blade and improve the shearing efficiency. (4) A first direction adjustment plate that can be displaced in the first direction and a second direction adjustment plate that can be displaced in the second direction are set on the base that carries the left-right rotating ball screw mechanism, so as to facilitate the adjustment of the position of the upper blade and the lower blade, and realize the precise shearing of the water outlet of the plastic part. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A schematic diagram of the structure of the shearing device provided by the present invention;
[0015] Figure 2 A schematic diagram of the structure of a left-right rotating ball screw mechanism provided by the present invention;
[0016] Figure 3 A schematic diagram of the structure of the upper blade mechanism and the lower blade mechanism provided by the present invention;
[0017] Figure 4 This is a schematic structural diagram of the base provided by the present invention. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, not all of the embodiments. Based on the embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0021] See also Figure 1 and Figure 2 As shown, in this specific embodiment, a shearing device is used to shear the water outlet of a plastic part, comprising: a left-right rotating ball screw mechanism 100, a servo motor 200, an upper blade mechanism 300, a lower blade mechanism 400 and a base 500. Among them, the left-right rotating ball screw mechanism 100 comprises a screw mounting plate 111, an upper screw bearing seat 112, a lower screw bearing seat 113, a left-right rotating ball screw 114, an upper screw nut 115, a lower screw nut 116, an upper slider 117, a lower slider 118 and a linear guide rail 119, the upper screw bearing seat 112 and the lower screw bearing seat 113 are symmetrically connected to the upper and lower sides of the screw mounting plate 111, and the left-right rotating ball screw 114 is rotatably connected to the upper screw bearing seat 112 and the lower screw bearing seat 113 on both sides. The upper screw nut 115 and the lower screw nut 116 are symmetrically arranged on the left-right rotating ball screw 114 and are located between the upper screw bearing seat 112 and the lower screw bearing seat 113, and move towards each other or move away from each other when the left-right rotating ball screw 114 rotates. The linear guide rail 119 is parallel to the left-right rotating ball screw 114 and is installed on the screw mounting plate 111. The upper slider 117 and the lower slider 118 are arranged on the linear guide rail 119, that is, the upper slider 117 and the lower slider 118 can slide on the linear guide rail 119 in a direction parallel to the left-right rotating ball screw 114. The servo motor 200 is fixed on the left-right rotating ball screw mechanism 100 and connected to the left-right rotating ball screw 114, and is used to drive the left-right rotating ball screw 114 to rotate. The upper blade mechanism 300 is fixedly connected to the upper screw nut 115 and the upper slider 117, the lower blade mechanism 400 is fixedly connected to the lower screw nut 116 and the lower slider 118, and the left-right rotation ball screw mechanism 100 is fixed on the base 500. Figure 1 and Figure 2As shown, the upper and lower sides of the screw mounting plate 111 are determined according to the upper and lower directions in the figure, and the upper and lower sides of the screw mounting plate 111 refer to the two ends of the screw mounting plate 111 in the upper and lower directions. It should be noted that the linear slide 119 is parallel to the left-right rotating ball screw 114 and is installed on the screw mounting plate 111, that is, the linear slide 119 is parallel to the left-right rotating ball screw 114, and the linear slide 119 is installed on the screw mounting plate 111, then the left-right rotating ball screw 114 is also parallel to the screw mounting plate 111. Among them, the upper blade mechanism 300 is moved in the upper and lower directions through the upper screw nut 115 and the upper slider 117, that is, it moves on the linear slide 119; the lower blade mechanism 400 is moved in the upper and lower directions through the lower screw nut 116 and the lower slider 118, that is, it moves on the linear slide 119, and finally the upper blade mechanism 300 and the lower blade mechanism 400 realize the shearing function. The upper blade mechanism 300 and the lower blade mechanism 400 used for shearing realize shearing action through the upper screw nut 115 and the lower screw nut 116 on the left-right rotating ball screw 114. The shearing method is simple and can realize automatic shearing of the water outlet of the plastic part. The upper blade mechanism 300 and the lower blade mechanism 400 are used to shear the water outlet at the same time, and the shearing efficiency is high. The upper blade mechanism 300 and the lower blade mechanism 400 are guided by the upper slider 117 and the lower slider 118 set on the linear slide rail 119, and cooperate with the upper screw nut 115 and the lower screw nut 116 to ensure that the upper blade mechanism 300 and the lower blade mechanism 400 operate stably, improve the shearing accuracy of the water outlet, and ensure that the surface of the sheared outlet is smooth.
[0022] In one embodiment, the left-right rotating ball screw mechanism 100 further includes a sensor mounting plate 121 and a plurality of slot-shaped photoelectric switches 122. The sensor mounting plate 121 is parallel to the left-right rotating ball screw 114 and is mounted on the screw mounting plate 111. The plurality of slot-shaped photoelectric switches 122 are evenly distributed on the sensor mounting plate 121. The slot-shaped photoelectric switches 122 are used to detect the positions of the upper blade mechanism 300 and the lower blade mechanism 400, and then determine whether the blade mechanism and the lower blade mechanism 400 have completed the shearing work.
[0023] In one embodiment, the left-right rotation ball screw mechanism 100 further includes an upper fixing plate 131, a lower fixing plate 132, an upper buffer pad 133 and a lower buffer pad 134. The upper fixing plate 131 and the lower fixing plate 132 are respectively fixed to the upper and lower sides of the screw mounting plate 111, and the upper screw bearing seat 112 is fixed to the upper fixing plate 131, the lower screw bearing seat 113 is fixed to the lower fixing plate 132, the upper buffer pad 133 is fixed to the upper fixing plate 131 and faces the upper screw nut 115, and the lower buffer pad 134 is fixed to the lower fixing plate 132 and faces the lower screw nut 116. The upper buffer pad 133 can alleviate the collision between the upper screw nut 115 and the upper fixing plate 131, and the lower buffer pad 134 can alleviate the collision between the lower screw nut 116 and the lower fixing plate 132, thereby improving the service life of the upper screw nut 115 and the lower screw nut 116, and thus improving the service life of the shearing device. Preferably, the left-right rotating ball screw mechanism 100 is mounted on the base 500 via a lower fixing plate 132 .
[0024] In one embodiment, the left-right rotating ball screw mechanism 100 further includes upper and lower main boards 141, a spring 142, a bolt adjustment block 143 and an adjustment bolt 144. The screw mounting plate 111 is fixed to the upper and lower main boards 141. The adjustment bolt 144 is screwed to the bolt adjustment block 143. The spring 142 is sandwiched between the adjustment bolt 144 and the upper and lower main boards 141. The rotation of the adjustment bolt 144 is used to adjust the position of the upper and lower main boards 141. By tightening the adjustment bolt 144 to squeeze the spring 142, the left-right rotating ball screw mechanism 100 connected to the upper and lower main boards 141 can be driven to move in the up and down direction, so that the upper blade mechanism 300 and the lower blade mechanism 400 can be adjusted with the water outlet position of the plastic part to improve the shearing accuracy.
[0025] In one embodiment, please refer to Figure 3As shown, the upper blade mechanism 300 includes an upper tool holder movable block 310, an upper slider mounting plate 320, an upper blade mounting block 330 and an upper blade 340. An upper nut through hole 311 is opened on the upper tool holder movable block 310. The upper slider mounting plate 320 and the upper blade mounting block 330 are respectively fixed to the two side edges of the upper tool holder movable block 310. The upper blade 340 is mounted on the upper blade mounting block 330 and faces the lower blade mechanism 400. The upper slider mounting plate 320 is fixedly connected to the upper slider 117, and the upper screw nut 115 is installed in the upper nut through hole 311. The lower blade mechanism 400 includes a lower tool holder movable block 410, a lower slider mounting plate 420, a lower blade mounting block 430 and a lower blade 440. A lower nut through hole 411 is provided under the lower tool holder movable block 410. The lower slider mounting plate 420 and the lower blade mounting block 430 are respectively fixed to the two sides of the lower tool holder movable block 410. The lower blade 440 is installed under the lower blade mounting block 430 and faces the upper blade mechanism 300. The lower slider mounting plate 420 is fixedly connected to the lower slider 118, and the lower screw nut 116 is installed in the lower nut through hole 411. The upper tool holder movable block 310 and the upper slider mounting plate 320 ensure that the upper blade mechanism 300 is stably connected to the left-right rotating ball screw mechanism 100. The lower tool holder movable block 410 and the lower slider mounting plate 420 ensure that the lower blade mechanism 400 is stably connected to the left-right rotating ball screw mechanism 100, thereby ensuring that the upper blade 340 and the lower blade 440 are stably installed.
[0026] In one embodiment, the upper blade mechanism 300 further includes an upper heating rod 350, an upper thermocouple 360 and an upper heat insulating sheet 370. The upper heating rod 350 is disposed in the upper blade mounting block 330. The upper thermocouple 360 is mounted on the upper blade mounting block 330 and close to the upper blade 340. The upper heat insulating sheet 370 is sandwiched between the upper tool holder movable block 310 and the upper blade mounting block 330. The lower blade mechanism 400 further includes a lower heating rod 450, a lower thermocouple 460 and a lower heat insulating sheet 470. The lower heating rod 450 is disposed in the lower blade mounting block 430. The lower thermocouple 460 is mounted under the lower blade mounting block 430 and close to the lower blade 440. The lower heat insulating sheet 470 is sandwiched between the lower tool holder movable block 410 and the lower blade mounting block 430. An upper heating rod 350 and a lower heating rod 450 are provided at the connection between the upper blade 340 and the lower blade 440 to improve the shearing capacity of the upper blade 340 and the lower blade 440 and to improve the shearing efficiency. An upper thermocouple 360 and a lower thermocouple 460 are further provided to monitor the temperature of the upper blade 340 and the lower blade 440 in real time to ensure that the shearing work is carried out normally. The upper heat insulation sheet 370 and the lower heat insulation sheet 470 are used to prevent the heat on the upper blade mounting block 330 and the lower blade mounting block 430 from being transferred to the upper tool holder movable block 310 and the lower tool holder movable block 410, so as to avoid affecting the left-right rotation ball screw mechanism 100.
[0027] In one embodiment, the upper blade mechanism 300 further includes an upper blade adjustment plate 380 and an upper screw, the upper blade 340 is connected to the upper blade adjustment plate 380 through the upper screw, the upper blade adjustment plate 380 is fixedly connected to the upper blade mounting block 330, and the upper screw can adjust the position of the upper blade 340 and the upper blade adjustment plate 380. The lower blade mechanism 400 further includes a lower blade adjustment plate 480 and a lower screw, the lower blade 440 is connected to the lower blade adjustment plate 480 through the lower screw, the lower blade adjustment plate 480 is fixedly connected to the lower blade mounting block 430, and the lower screw can adjust the position of the lower blade 440 and the lower blade adjustment plate 480. The positions of the upper blade 340 and the lower blade 440 can be adjusted by the upper blade adjustment plate 380 and the upper screw, the lower blade adjustment plate 480 and the lower screw, so that the shearing device can use blades of different sizes, thereby improving the applicability of the shearing device.
[0028] In one embodiment, please refer to Figure 4 As shown, the base 500 includes a bottom plate 510, a first slider 520, a first direction adjustment plate 530, a second slider 540 and a second direction adjustment plate 550. The first slider 520 moves along a first direction (eg Figure 4 The first direction adjustment plate 530 is disposed on the bottom plate 510, and the first direction adjustment plate 530 can slide relative to the bottom plate 510 along the first direction through the first slider 520. The second slider 540 can slide relative to the bottom plate 510 along the second direction (such as Figure 4 The first direction adjustment plate 530 is fixed to the first direction adjustment plate 530 (in the front-to-back direction), and the second direction adjustment plate 550 is arranged on the first direction adjustment plate 530, and the second direction adjustment plate 550 can slide relative to the first direction adjustment plate 530 along the second direction through the second slider 540, wherein the first direction and the second direction intersect. The left-right rotation ball screw mechanism 100 is installed on the second direction adjustment plate 550. The first direction adjustment plate 530 that can be displaced along the first direction and the second direction adjustment plate 550 that can be displaced along the second direction are arranged on the base 500 that carries the left-right rotation ball screw mechanism 100, so as to facilitate the adjustment of the positions of the upper blade and the lower blade, so as to realize the precise shearing of the water outlet of the plastic part.
[0029] In one embodiment, the base 500 further includes a first elastic member 531, a first elastic member limiting plate 532, a first differential head 533 and a first differential fixing plate, wherein the first elastic member limiting plate 532 and the first differential fixing plate are fixed to both sides of the bottom plate 510 along the first direction, the first elastic member 531 is sandwiched between the first elastic member limiting plate 532 and the first direction adjustment plate 530, and the first differential head 533 is installed on the first differential fixing plate and abuts against the first direction adjustment plate 530. The first differential head 533 can be screwed to squeeze the first direction adjustment plate 530, thereby causing the first direction adjustment plate 530 to be displaced from the bottom plate 510. The first elastic member 531 and the first differential head 533 are used to adjust the displacement of the first direction adjustment plate 530 in the first direction, thereby improving the displacement adjustment of the left-right rotation ball screw mechanism 100 in the first direction.
[0030] In one embodiment, the base 500 further includes a second elastic member 551, a second elastic member limiting plate 552, a second differential head 553 and a second differential head fixing plate 554, wherein the second elastic member limiting plate 552 and the second differential head fixing plate 554 are fixed to both sides of the first direction adjustment plate 530 along the second direction, the second elastic member 551 is sandwiched between the second elastic member limiting plate 552 and the second direction adjustment plate 550, and the second differential head 553 is mounted on the second differential head fixing plate 554 and abuts against the second direction adjustment plate 550. The second differential head 553 can be screwed to squeeze the second direction adjustment plate 550, thereby causing the second direction adjustment plate 550 to be displaced from the first direction adjustment plate 530. The second elastic member 551 and the second differential head 553 are used to adjust the displacement of the second direction adjustment plate 550 in the second direction, thereby improving the displacement adjustment of the left-right rotation ball screw mechanism 100 in the second direction.
[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and improved concepts of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.
Claims
1. A shearing device for shearing the nozzle of a plastic part, characterized in that: include: Left-right rotating ball screw mechanism, servo motor, upper blade mechanism, lower blade mechanism and base; The left-right rotation ball screw mechanism comprises a screw mounting plate, an upper screw bearing seat, a lower screw bearing seat, a left-right rotation ball screw, an upper screw nut, a lower screw nut, an upper slider, a lower slider and a linear slide rail, the upper screw bearing seat and the lower screw bearing seat are symmetrically connected to the upper and lower sides of the screw mounting plate, and the two sides of the left-right rotation ball screw are respectively rotatably connected to the upper screw bearing seat and the lower screw bearing seat; the upper screw nut and the lower screw nut are symmetrically arranged on the left-right rotation ball screw and are located between the upper screw bearing seat and the lower screw bearing seat, and move towards or away from each other when the left-right rotation ball screw rotates; the linear slide rail is parallel to the left-right rotation ball screw and is installed on the screw mounting plate, and the upper slider and the lower slider are arranged on the linear slide rail; The servo motor is fixed on the left-right rotating ball screw mechanism and connected to the left-right rotating ball screw, and is used to drive the left-right rotating ball screw to rotate; The upper blade mechanism is fixedly connected to the upper screw nut and the upper slider; The lower blade mechanism is fixedly connected to the lower screw nut and the lower slider; The left-right rotating ball screw mechanism is fixed on the base.
2. The shearing device according to claim 1, characterized in that The left-right rotating ball screw mechanism also includes a sensor mounting plate and a plurality of slot-shaped photoelectric switches. The sensor mounting plate is parallel to the left-right rotating ball screw and is mounted on the screw mounting plate. The plurality of slot-shaped photoelectric switches are evenly distributed on the sensor mounting plate.
3. The shearing device according to claim 2, characterized in that The left-right rotating ball screw mechanism also includes an upper fixed plate, a lower fixed plate, an upper buffer pad and a lower buffer pad, the upper fixed plate and the lower fixed plate are respectively fixed to the upper and lower sides of the screw mounting plate, the upper screw bearing seat is fixed to the upper fixed plate, the lower screw bearing seat is fixed to the lower fixed plate, the upper buffer pad is fixed to the upper fixed plate and faces the upper screw nut, and the lower buffer pad is fixed to the lower fixed plate and faces the lower screw nut.
4. The shearing device according to claim 3, characterized in that The left-right rotating ball screw mechanism also includes upper and lower main boards, a spring, a bolt adjustment block and an adjustment bolt. The screw mounting plate is fixed to the upper and lower main boards. The adjustment bolt is threadedly connected to the bolt adjustment block. The spring clip is arranged between the adjustment bolt and the upper and lower main boards. Rotating the adjustment bolt is used to adjust the position of the upper and lower main boards.
5. The shearing device according to claim 4, characterized in that The upper blade mechanism comprises an upper tool holder movable block, an upper slider mounting plate, an upper blade mounting block and an upper blade, the upper tool holder movable block is provided with an upper nut through hole, the upper slider mounting plate and the upper blade mounting block are respectively fixed to two side edges of the upper tool holder movable block, the upper blade is mounted on the upper blade mounting block and faces the lower blade mechanism, the upper slider mounting plate is fixedly connected to the upper slider, and the upper screw nut is installed in the upper nut through hole; The lower blade mechanism includes a lower tool holder movable block, a lower slider mounting plate, a lower blade mounting block and a lower blade. A lower nut through hole is opened under the lower tool holder movable block. The lower slider mounting plate and the lower blade mounting block are respectively fixed to two side edges of the lower tool holder movable block. The lower blade is installed under the lower blade mounting block and faces the upper blade mechanism. The lower slider mounting plate is fixedly connected to the lower slider, and the lower screw nut is installed in the lower nut through hole.
6. The shearing device according to claim 5, characterized in that The upper blade mechanism further comprises an upper heating rod, an upper thermocouple and an upper heat insulating sheet, wherein the upper heating rod is arranged in the upper blade mounting block, the upper thermocouple is mounted on the upper blade mounting block and close to the upper blade, and the upper heat insulating sheet is sandwiched between the upper blade holder movable block and the upper blade mounting block; The lower blade mechanism also includes a lower heating rod, a lower thermocouple and a lower thermal insulation sheet. The lower heating rod is arranged in the lower blade mounting block, the lower thermocouple is installed under the lower blade mounting block and close to the lower blade, and the lower thermal insulation sheet is clamped between the lower blade holder movable block and the lower blade mounting block.
7. The shearing device according to claim 6, characterized in that The upper blade mechanism also includes an upper blade adjustment plate and an upper screw, the upper blade is connected to the upper blade adjustment plate through the upper screw, the upper blade adjustment plate is fixedly connected to the upper blade mounting block, and the upper screw can adjust the position of the upper blade and the upper blade adjustment plate; The lower blade mechanism also includes a lower blade adjustment plate and a lower screw, the lower blade is connected to the lower blade adjustment plate via the lower screw, the lower blade adjustment plate is fixedly connected to the lower blade mounting block, and the lower screw can adjust the position of the lower blade and the lower blade adjustment plate.
8. The shearing device according to claim 1, characterized in that The base comprises a bottom plate, a first slider, a first direction adjustment plate, a second slider and a second direction adjustment plate, wherein the first slider is fixed to the bottom plate along a first direction, the first direction adjustment plate is arranged on the bottom plate, and the first direction adjustment plate can slide relative to the bottom plate along the first direction via the first slider; The second slider is fixed to the first direction adjustment plate along the second direction, the second direction adjustment plate is arranged on the first direction adjustment plate, and the second direction adjustment plate can slide relative to the first direction adjustment plate along the second direction through the second slider, wherein the first direction and the second direction intersect; the left-right rotation ball screw mechanism is installed on the second direction adjustment plate.
9. The shearing device according to claim 8, characterized in that The base also includes a first elastic member, a first elastic limiting plate, a first differential head and a first differential fixing plate. The first elastic limiting plate and the first differential fixing plate are fixed on both sides of the bottom plate along the first direction. The first elastic member is clamped between the first elastic limiting plate and the first direction adjustment plate. The first differential head is installed on the first differential fixing plate and abuts against the first direction adjustment plate.
10. The shearing device according to claim 9, characterized in that The base also includes a second elastic member, a second elastic limiting plate, a second differential head and a second differential fixing plate, the second elastic limiting plate and the second differential fixing plate are fixed on both sides of the first direction adjustment plate along the second direction, the second elastic member is clamped between the second elastic limiting plate and the second direction adjustment plate, and the second differential head is installed on the second differential fixing plate and abuts against the second direction adjustment plate.