Feeding device for PCB milling cutter forming
By designing the material feeding and unloading components in coordination, quantitative conveying and compaction of raw materials are achieved, solving the cavity problem during mold loading in PCB milling cutter production, reducing the defect rate, and improving molding quality.
Patent Information
- Application Number
- CN202422700889.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-06
AI Technical Summary
In the current PCB milling cutter production process, cavities are easily generated when feeding material into the horizontal die, resulting in inconsistent weight of the formed bar stock and increasing the defect rate.
A feeding device including a dropping component and a feeding component was designed. Through the cooperation of a lifting component and an auger motor, the raw materials are quantitatively conveyed and compacted to avoid the formation of cavities and ensure that the weight of each feeding is consistent.
It effectively avoids the cavity problem during mold loading, reduces the defect rate, and improves molding quality.
Smart Images

Figure CN223521905U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to milling cutter production technical field relates to a kind of feeding device for PCB milling cutter forming. BACKGROUND
[0002] Milling cutter is used for milling, with one or more teeth of rotating tool. When working, each tooth cuts the excess of workpiece intermittently, and milling cutter is mainly used for milling plane, step, groove, forming surface and cutting workpiece on milling machine.
[0003] The existing milling cutter needs to be produced into bar stock during production. The existing milling cutter bar stock is usually produced by mixing, pressing and sintering. The existing bar stock pressing production adopts horizontal mold. The existing horizontal mold adopts push-pull feeding, which may cause cavity in the mold, and the weight of raw materials for each bar stock pressing forming is different, which is easy to produce defective products. Therefore, a kind of feeding device for PCB milling cutter forming is provided. UTILITY MODEL CONTENT
[0004] The utility model aims at the above problems existing in the prior art, and provides a kind of feeding device for PCB milling cutter forming. The technical problem to be solved by the device is how to avoid the cavity of PCB milling cutter pressing forming device during feeding, and reduce the defective rate.
[0005] The purpose of the utility model can be realized by the following technical schemes:
[0006] A kind of feeding device for PCB milling cutter forming, including bottom plate and blanking assembly, the blanking assembly includes installation box, installation box is fixed on the top of bottom plate, the top of installation box is fixed with vertical plate, the side surface of vertical plate is fixed with two fixed plates, two fixed plates are fixed with fixed ring, two fixed rings are fixed with material cylinder inside, the top of material cylinder is fixed with cover plate, cover plate is rotatably provided with rotating shaft, rotating shaft is fixed with several stirring rods, the top of cover plate is fixed with stirring motor, the output shaft of stirring motor is connected with rotating shaft, the bottom of material cylinder is fixed with blanking pipe, control valve is arranged on blanking pipe, lifting assembly is arranged on vertical plate, and feeding assembly is arranged on lifting assembly.
[0007] The top of vertical plate is provided with lifting groove.
[0008] The above structure is adopted, and lifting groove provides mounting position for lifting assembly.
[0009] The lifting assembly comprises a threaded rod and a lifting motor, the threaded rod is rotationally arranged in the interior of the lifting groove, a moving block is threadedly connected to the threaded rod, the moving block is slidingly arranged in the interior of the lifting groove, the end of the threaded rod penetrates into the interior of the mounting box, a driven bevel gear is fixed to the end of the threaded rod, the lifting motor is fixed to the side of the mounting box, a driving bevel gear is fixed to the output shaft of the mounting box, and the driving bevel gear and the driven bevel gear are in meshing engagement.
[0010] With the above structure, the lifting motor drives the driving bevel gear to rotate through the output shaft, the driving bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the threaded rod to rotate, the threaded rod drives the moving block to move, and the moving block drives the feeding assembly to lift.
[0011] The feeding assembly comprises an electric push rod one, the electric push rod one is fixed to the side of the moving block, the end of the electric push rod one is fixed with a connecting box, the upper portion of the connecting box is fixed with a conveying cylinder, the interior of the conveying cylinder is rotationally arranged with an auger, one end of the conveying cylinder is fixed with an auger motor, the output shaft of the auger motor is connected with the auger through a shaft coupling, the other end of the conveying cylinder is provided with a mounting cover, the mounting cover is fixed with an electric push rod two, the end of the electric push rod two is fixed with a sliding block, the sliding block is slidingly arranged in the interior of the conveying cylinder, and the lower portion of the connecting box is fixed with a feeding plate.
[0012] With the above structure, the electric push rod one is extended to drive the connecting box to move, the connecting box drives the feeding plate and the conveying cylinder to move, and the feeding plate is moved to the upper portion of the pressing groove, so that feeding is facilitated.
[0013] The feeding assembly further comprises a feeding pipe, the feeding pipe is fixed above the conveying cylinder, the feeding pipe is provided with a conveying hose, and the end of the conveying hose is connected with a blanking pipe.
[0014] With the above structure, the conveying cylinder is moved to drive the feeding pipe to move, the feeding pipe drives the conveying hose to straighten, so that blanking is facilitated, the auger motor drives the auger to rotate through the output shaft, the raw materials are conveyed into the interior of the connecting box by the auger, the raw materials in the interior of the connecting box fall into the interior of the feeding plate, and then fall into the interior of the pressing groove by the feeding plate.
[0015] Compared with the prior art, the above-mentioned PCB milling cutter forming feeding device has the following advantages:
[0016] Through cooperation of the blanking assembly and the feeding assembly, the feeding pipe delivers raw materials to the inside of the conveying cylinder, the auger motor drives the auger to rotate through the output shaft, thereby compacting the raw materials in the conveying cylinder, so that the conveying cylinder internally stores quantitatively, the electric push rod one expands to drive the connecting box to move, the connecting box drives the feeding plate and the conveying cylinder to move, the feeding plate moves to the upper side of the pressing groove, the electric push rod two retracts to drive the sliding block to move, the sliding block unblocks the connecting box, the auger motor drives the auger to rotate through the output shaft, the auger delivers the raw materials to the inside of the connecting box, the raw materials in the connecting box fall into the inside of the feeding plate, and then enter the inside of the pressing groove through the feeding plate, through extruding feeding, cavity during feeding is avoided, so that the weight of each feeding is consistent, and the defective rate is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the upper side three-dimensional structure schematic view of the utility model;
[0018] Figure 2 is the lower side three-dimensional structure schematic view of the utility model;
[0019] Figure 3 is the front view structure schematic view of the utility model;
[0020] Figure 4 is the cross section structure schematic view of the utility model;
[0021] In the drawing: 1, fixed plate; 2, vertical plate; 3, threaded rod; 4, moving block; 5, installation box; 6, lifting motor; 7, bottom plate; 8, electric push rod one; 9, feeding plate; 10, installation cover; 11, conveying hose; 12, material cylinder; 13, fixed ring; 14, cover plate; 15, stirring motor; 16, control valve; 17, feeding pipe; 18, connecting box; 19, lifting groove; 20, conveying cylinder; 21, blanking pipe; 22, stirring rod; 23, driven bevel gear; 24, driving bevel gear; 25, auger; 26, electric push rod two; 27, sliding block; 28, rotating shaft. DETAILED DESCRIPTION
[0022] The technical scheme of the present patent will be further described in detail in connection with specific implementation manners.
[0023] The embodiments of the present patent will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present patent, and cannot be understood as a limitation to the present patent.
[0024] In the description of the patent, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the patent.
[0025] In the description of the patent, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the patent can be understood according to the specific circumstances.
[0026] Please refer to Figures 1-4 The embodiment provides a feeding device for forming a PCB milling cutter, which comprises a bottom plate 7 and a blanking assembly. The blanking assembly comprises a mounting box 5 fixed above the bottom plate 7, a vertical plate 2 fixed above the mounting box 5, two fixed plates 1 fixed on the side surface of the vertical plate 2, two fixed rings 13 fixed on the two fixed plates 1, a material cylinder 12 fixed in the two fixed rings 13, a cover plate 14 fixed above the material cylinder 12, a rotating shaft 28 rotatably arranged on the cover plate 14, a plurality of stirring rods 22 fixed on the rotating shaft 28, a stirring motor 15 fixed above the cover plate 14, an output shaft of the stirring motor 15 connected with the rotating shaft 28, a blanking pipe 21 fixed below the material cylinder 12, a control valve 16 arranged on the blanking pipe 21, a lifting assembly arranged on the vertical plate 2, and a feeding assembly arranged on the lifting assembly.
[0027] A lifting groove 19 is formed above the vertical plate 2; the lifting groove 19 provides a mounting position for the lifting assembly.
[0028] The lifting assembly comprises a threaded rod 3 and a lifting motor 6. The threaded rod 3 is rotatably arranged in the lifting groove 19. A moving block 4 is threadedly connected to the threaded rod 3 and slidably arranged in the lifting groove 19. An end portion of the threaded rod 3 penetrates into the interior of the mounting box 5. A driven bevel gear 23 is fixed to the end portion of the threaded rod 3. The lifting motor 6 is fixed to the side surface of the mounting box 5. A driving bevel gear 24 is fixed to the output shaft of the mounting box 5. The driving bevel gear 24 is engaged with the driven bevel gear 23. The lifting motor 6 drives the driving bevel gear 24 to rotate. The driving bevel gear 24 drives the driven bevel gear 23 to rotate. The driven bevel gear 23 drives the threaded rod 3 to rotate. The threaded rod 3 drives the moving block 4 to move. The moving block 4 drives the feeding assembly to lift.
[0029] The feeding assembly comprises an electric push rod 1, which is fixed on the side of the moving block 4, and the end of the electric push rod 1 is fixed with a connecting box 18, the upper portion of the connecting box 18 is fixed with a conveying cylinder 20, the inside of the conveying cylinder 20 is rotatably provided with a screw conveyor 25, one end of the conveying cylinder 20 is fixed with a screw conveyor motor, the output shaft of the screw conveyor motor is connected with the screw conveyor 25 through a shaft coupling, the other end of the conveying cylinder 20 is provided with a mounting cover 10, the mounting cover 10 is fixed with an electric push rod 2 26, the end of the electric push rod 2 26 is fixed with a sliding block 27, the sliding block 27 is slidably arranged in the inside of the conveying cylinder 20, and the lower portion of the connecting box 18 is fixed with a feeding plate 9; the electric push rod 1 is extended to drive the connecting box 18 to move, the connecting box 18 drives the feeding plate 9 and the conveying cylinder 20 to move, and the feeding plate 9 is moved to the upper portion of the pressing groove, so that feeding is facilitated.
[0030] The feeding assembly further comprises a feeding pipe 17, which is fixed above the conveying cylinder 20, and the feeding pipe 17 is provided with a conveying hose 11, and the end of the conveying hose 11 is connected with a dropping pipe 21; the conveying cylinder 20 is moved to drive the feeding pipe 17 to move, the feeding pipe 17 drives the conveying hose 11 to be straightened, so that dropping is facilitated, the screw conveyor motor is driven to rotate through the output shaft to drive the screw conveyor 25 to rotate, the screw conveyor 25 conveys the raw materials to the inside of the connecting box 18, the raw materials in the connecting box 18 fall into the inside of the feeding plate 9, and then fall into the inside of the pressing groove through the feeding plate 9.
[0031] The working principle of the utility model is as follows:
[0032] The lifting motor 6 drives the driving bevel gear 24 to rotate through the output shaft, the driving bevel gear 24 drives the driven bevel gear 23 to rotate, the driven bevel gear 23 drives the threaded rod 3 to rotate, the threaded rod 3 drives the moving block 4 to move, the moving block 4 drives the electric push rod 8 to move, the electric push rod 8 drives the connecting box 18 to move, the connecting box 18 drives the feeding plate 9 to move, so that the feeding plate 9 is attached to the pressing mold, the stirring motor 15 drives the rotating shaft 28 to rotate through the output shaft, the rotating shaft 28 drives the plurality of stirring rods 22 to rotate, the plurality of stirring rods 22 stir the raw materials, the control valve 16 is opened, the raw materials fall into the inside of the conveying hose 11 through the dropping pipe 21, the conveying hose 11 conveys the raw materials to the inside of the feeding pipe 17, the feeding pipe 17 conveys the raw materials to the inside of the conveying cylinder 20, the auger motor drives the auger 25 to rotate through the output shaft, so that the raw materials in the conveying cylinder 20 are compacted, so that the weight of each feeding is consistent, the electric push rod 8 extends to drive the connecting box 18 to move, the connecting box 18 drives the feeding plate 9 and the conveying cylinder 20 to move, the feeding plate 9 moves to the top of the pressing groove, the electric push rod 26 retracts to drive the sliding block 27 to move, the sliding block 27 unblocks the connecting box 18, the auger motor drives the auger 25 to rotate through the output shaft, the auger 25 conveys the raw materials to the inside of the connecting box 18, the raw materials in the connecting box 18 fall into the inside of the feeding plate 9, and then fall into the inside of the pressing groove through the feeding plate 9, so that the feeding is completed.
[0033] The above detailed description is made to the preferred embodiments of the patent, but the patent is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the patent.
Claims
1. A feeding device for PCB milling cutter forming, comprising a base plate (7) and a blanking assembly, characterized in that, The blanking assembly comprises a mounting box (5) fixed above a bottom plate (7), a vertical plate (2) fixed above the mounting box (5), two fixed plates (1) fixed on the side surface of the vertical plate (2), two fixed rings (13) fixed on the two fixed plates (1), a material cylinder (12) fixed in the two fixed rings (13), a cover plate (14) fixed above the material cylinder (12), a rotating shaft (28) rotatably arranged on the cover plate (14), a plurality of stirring rods (22) fixed on the rotating shaft (28), a stirring motor (15) fixed above the cover plate (14), an output shaft of the stirring motor (15) connected with the rotating shaft (28), a blanking pipe (21) fixed below the material cylinder (12), a control valve (16) arranged on the blanking pipe (21), a lifting assembly arranged on the vertical plate (2), and a feeding assembly arranged on the lifting assembly.
2. The feeding device for forming a PCB milling cutter according to claim 1, characterized in that, The upper portion of the vertical plate (2) is provided with a lifting groove (19).
3. The feeding device for forming a PCB milling cutter according to claim 2, characterized in that, The lifting assembly comprises a threaded rod (3) and a lifting motor (6), the threaded rod (3) is rotatably arranged in the lifting groove (19), a moving block (4) is threadedly connected with the threaded rod (3), the moving block (4) is slidably arranged in the lifting groove (19), the end portion of the threaded rod (3) penetrates into the interior of the mounting box (5), a driven bevel gear (23) is fixed on the end portion of the threaded rod (3), the lifting motor (6) is fixed on the side surface of the mounting box (5), a driving bevel gear (24) is fixed on the output shaft of the mounting box (5), and the driving bevel gear (24) is engaged with the driven bevel gear (23).
4. The feeding device for forming a PCB milling cutter according to claim 3, characterized in that, The feeding assembly comprises an electric push rod (8), the electric push rod (8) is fixed on the side surface of the moving block (4), a connecting box (18) is fixed on the end portion of the electric push rod (8), a conveying cylinder (20) is fixed above the connecting box (18), a worm (25) is rotatably arranged in the interior of the conveying cylinder (20), a worm motor is fixed on one end of the conveying cylinder (20), the output shaft of the worm motor is connected with the worm (25) through a shaft coupling, an installation cover (10) is arranged on the other end of the conveying cylinder (20), an electric push rod (26) is fixed on the installation cover (10), a sliding block (27) is fixed on the end portion of the electric push rod (26), the sliding block (27) is slidably arranged in the interior of the conveying cylinder (20), and a feeding plate (9) is fixed below the connecting box (18).
5. The feeding device for forming a PCB milling cutter according to claim 4, characterized in that, The feeding assembly further comprises a feeding pipe (17), the feeding pipe (17) is fixed above the conveying cylinder (20), and a conveying hose (11) is arranged on the feeding pipe (17).