Flash grinding equipment based on injection molding bottle cap forming machining

Abstract

The flash grinding equipment comprises a bottom plate, a supporting base, a material receiving barrel, a material rotating assembly, a stamping mechanism and a feeding assembly, the supporting base is arranged on a base, the material receiving barrel is arranged on the supporting base, the material rotating assembly is rotationally arranged on the supporting base, and the stamping mechanism is arranged on the base. The material rotating assembly comprises an outer fixing plate, an inner rotating plate, multiple sets of material grooves, a grinding mechanism and a discharging port, the outer fixing plate is arranged on the supporting base, the inner rotating plate is rotationally arranged on the outer rotating plate, the multiple sets of material grooves are formed in the inner rotating plate in an annular array mode, the grinding mechanism is arranged on the outer fixing plate, and the discharging port is formed in the outer fixing plate. The stamping mechanism is arranged on the material transferring assembly, and the feeding assembly is arranged on the bottom plate. In this way, the bottle caps are conveyed in a limiting and circulating mode, the bottle caps are ground in all directions and at multiple angles, the purpose of rapidly removing flashes is achieved, and then the machining efficiency of the bottle caps is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of injection-molded bottle cap processing, and particularly to a flash grinding device based on injection-molded bottle cap forming and processing. Background Art

[0002] During the injection molding process of plastic bottle caps, flash (also known as overflow material) is a common quality defect, mainly caused by incomplete mold closing, excessive injection pressure, or too strong material fluidity. Flash not only affects the product appearance but also reduces the sealing performance and even accelerates mold wear.

[0003] In the early stage, flash was mainly removed by manual trimming or grinding, but the efficiency was low and the consistency was poor. The labor cost accounted for more than 30% of the total production cost. During operation, it was easy to cause bottle cap deformation or surface scratches due to uneven force, especially the risk of damage to precision structures such as threads was relatively high.

[0004] It is difficult to completely remove all the flash on the injection-molded bottle caps at one time. For example, in patent CN37242951), single-direction cutting or sandblasting treatment is mostly used, and it is difficult to synchronously process the multi-angle flash on the inner and outer walls and the bottom of the bottle cap. Moreover, due to the shape limitation of the bottle cap, it is difficult to perform automatic grinding, which reduces the efficiency of removing flash from the bottle cap. Summary of the Invention

[0005] The present invention aims to solve at least one of the technical problems in the related art to some extent.

[0006] For this purpose, the object of the present invention is to provide a flash grinding device based on injection-molded bottle cap forming and processing, which can limit and circulate the bottle caps for feeding, grind the bottle caps in all directions and at multiple angles to achieve the purpose of quickly removing flash, and thus effectively improve the processing efficiency of the bottle caps.

[0007] To achieve the above object, the present invention provides a flash grinding device based on injection-molded bottle cap forming and processing, including a bottom plate, a support base, a receiving barrel, a material transfer component, a punching mechanism, and a feeding component. Among them, the support base is arranged on the base; the receiving barrel is arranged on the support base; the material transfer component is rotatably arranged on the support base, and the material transfer component includes an outer fixing plate, an inner rotating plate, a material groove, a grinding mechanism, and a discharge port. Among them, the outer fixing plate is arranged on the support base; the inner rotating plate is rotatably arranged on the outer rotating plate; the material grooves are in multiple groups, and the multiple groups of material grooves are arranged in an annular array on the inner rotating plate; the grinding mechanism is arranged on the outer fixing plate; the discharge port is opened on the outer fixing plate; the punching mechanism is arranged on the material transfer component; the feeding component is arranged on the bottom plate.

[0008] The flash grinding equipment based on injection molding bottle cap forming processing of the present invention conveys the bottle caps in a limited and cyclic manner, grinds the bottle caps from all aspects and multiple angles to achieve the purpose of quickly removing flash, and thus effectively improves the processing efficiency of the bottle caps.

[0009] In addition, the flash grinding equipment based on injection molding bottle cap forming processing proposed according to the above application may also have the following additional technical features:

[0010] Specifically, the grinding mechanism includes a driving component, an outer grinding ring, an inner grinding part, and a buffer part. Among them, the driving component is arranged on the outer fixing plate; the outer grinding ring is arranged at the output end of the driving component; the inner grinding part is arranged inside the outer grinding ring; the buffer part is arranged on the inner grinding ring.

[0011] Specifically, the buffer part includes an outer sleeve, a buffer rod frame, and a buffer component. Among them, the outer sleeve is arranged on the inner grinding part; the buffer rod frame is movably arranged inside the outer sleeve; both ends of the buffer component are respectively connected to the outer sleeve and the buffer rod frame.

[0012] Specifically, the inner grinding part includes a substrate, a positioning baffle, an inner grinding ring, an inner wall grinding component, and a bottom wall grinding component. Among them, the substrate is arranged on the outer grinding ring; the positioning baffle is arranged on the substrate; the inner grinding ring is arranged on the substrate; the inner wall grinding component is arranged on the inner grinding ring; the bottom wall grinding component is arranged on the substrate.

[0013] Specifically, the feeding assembly includes an outer frame, a positioning substrate, a blanking mechanism, a blanking port, and a baffle. Among them, the outer frame is arranged on the bottom plate; the positioning substrate is arranged inside the outer frame; the blanking mechanism is arranged on the bottom wall of the outer frame; the blanking port is opened on the outer frame; the baffle is arranged inside the outer frame.

[0014] Specifically, the blanking mechanism includes a positioning frame, a reset component, a movable plate, and a blocking part. Among them, the positioning frame is arranged on the bottom wall of the outer frame; the movable plate is movably arranged inside the positioning frame; both ends of the reset component are respectively connected to the positioning frame and the movable plate; the blocking part is arranged on the movable plate.

[0015] Specifically, the blocking part includes an outer baffle and a material blocking plate. Among them, the outer baffle is arranged on the movable plate; the material blocking plate is arranged on the outer baffle.

[0016] Specifically, the stamping mechanism includes a fixed bracket, a driving component two, and a pressing plate. Among them, the fixed bracket is arranged on the outer fixing plate; the driving component two is arranged on the fixed bracket; the pressing plate is arranged at the output end of the driving component two.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the following description of embodiments in conjunction with the accompanying drawings, in which:

[0019] Figure 1 is a schematic structural view of the present invention;

[0020] Figure 2 is a schematic structural view of the material transfer assembly of the present invention;

[0021] Figure 3 is a schematic structural view of the grinding mechanism of the present invention;

[0022] Figure 4 is a schematic structural view of the internal grinding part of the present invention;

[0023] Figure 5 is a schematic structural view of the feeding assembly of the present invention;

[0024] Figure 6 is a schematic structural view of the gear position part of the present invention;

[0025] Figure 7 is a schematic structural view of the stamping mechanism of the present invention.

[0026] As shown in the figure: 10, bottom plate; 20, support base; 30, material receiving cylinder; 40, material transfer assembly; 401, outer fixing plate; 402, inner rotating plate; 403, material groove; 404, grinding mechanism; 4041, driving component; 4042, outer grinding ring; 4043, internal grinding part; 40431, substrate; 40432, positioning baffle; 40433, inner grinding ring; 40434, inner wall grinding component; 40435, bottom wall grinding component; 4044, buffer component; 40441, outer sleeve; 40442, buffer rod frame; 40443, buffer part; 405, discharge port; 50, stamping mechanism;; 501, fixed bracket; 502, second driving component; 503, pressing plate; 60, feeding assembly; 601, outer frame; 602, positioning substrate; 603, blanking mechanism; 6031, positioning frame; 6032, reset component; 6033, movable plate; 6034, gear position part; 60341, outer baffle; 60342, material blocking plate; 604, blanking port; 605, baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where like or similar reference numerals denote like or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all variations, modifications, and equivalents that fall within the appended spirit and scope.

[0028] The flash grinding device for injection - molded bottle cap forming processing according to an embodiment of the present invention will be described below in conjunction with the accompanying drawings.

[0029] As Figure 1-7 shown, the flash grinding device for injection - molded bottle cap forming processing according to an embodiment of the present invention includes a bottom plate 10, a support base 20, a receiving cylinder 30, a material transfer assembly 40, a stamping mechanism 50, and a feeding assembly 60.

[0030] Among them, the support base 20 is arranged on the base 10, and the receiving cylinder 30 is arranged on the support base 20.

[0031] The material transfer assembly 40 is rotatably arranged on the support base 20. The material transfer assembly 40 includes an outer fixing plate 401, an inner rotating plate 402, a material groove 403, a grinding mechanism 404, and a discharge port 405.

[0032] Among them, the outer fixing plate 401 is arranged on the support base 20, the inner rotating plate 402 is rotatably arranged on the outer rotating plate 401. There are multiple groups of material grooves 403, and the multiple groups of material grooves 403 are arranged in an annular array on the inner rotating plate 402. The grinding mechanism 404 is arranged on the outer fixing plate 401, and the discharge port 405 is opened on the outer fixing plate 401.

[0033] The stamping mechanism 50 is arranged on the material transfer assembly 40, and the feeding assembly 60 is arranged on the bottom plate 10.

[0034] It should be noted that a stepping motor is provided in the inner cavity of the support base 20 described in this embodiment. When the stepping motor operates, it drives the inner rotating plate 402 in the material transfer assembly 40 to rotate. Then, the inner rotating plate 402 and the outer fixing plate 401 are connected by bearings. The stamping mechanism 50 is used to press down the bottle cap that rotates to the position of the grinding mechanism 40, so that the bottle cap enters the grinding mechanism 40 for grinding. After grinding, the bottle cap falls into the receiving cylinder 30 through the discharge port 405.

[0035] In an embodiment of the present invention, as Figure 2 and Figure 4 shown, the grinding mechanism 404 includes a driving component 4041, an outer grinding ring 4042, an inner grinding part 4043, and a buffer part 4044.

[0036] Among them, the driving component 4041 is arranged on the outer fixing plate 401, the outer grinding ring 4042 is arranged at the output end of the driving component 4041, the inner grinding part 4043 is arranged inside the outer grinding ring 4042, and the buffer part 4044 is arranged on the inner grinding ring 4043.

[0037] It should be noted that the driving component 4041 is a stepping motor. By controlling the switch and connecting the power supply to operate the driving component 4041, the driving component 4041 drives the outer grinding ring 4042 to rotate, and the inner grinding part 4043 drives the outer grinding ring 4042 to rotate synchronously to grind the burrs off the bottle cap.

[0038] In an embodiment of the present invention, as Figure 3 shown, the buffer part 4044 includes an outer sleeve 40441, a buffer rod holder 40442, and a buffer component 40443.

[0039] Among them, the outer sleeve 40441 is arranged on the inner grinding part 4043, the buffer rod holder 40442 is movably arranged inside the outer sleeve 40441, and both ends of the buffer component 40443 are respectively connected to the outer sleeve 40441 and the buffer rod holder 40442.

[0040] It should be noted that the outer sleeve 40441 is arranged on the inner grinding part 4043 through a bearing. Then when the bottle cap is placed on the buffer rod holder 40442 and pressed down by the stamping mechanism 50, when the driving component 4041 operates to drive the outer grinding part 4042 and the inner grinding part 4043 to rotate, the outer sleeve 40441 will not rotate along with them. The buffer component 40443 is a buffer spring. When the stamping mechanism 50 resets, the buffer component 40443 pushes the buffer rod holder 40442 to reset and lift up the bottle cap.

[0041] In an embodiment of the present invention, as Figure 4 shown, the inner grinding part 4043 includes a base plate 40431, a positioning baffle 40432, an inner grinding ring 40433, an inner wall grinding component 40434, and a bottom wall grinding component 40435.

[0042] Among them, the base plate 40431 is arranged on the outer grinding ring 4042, the positioning baffle 40432 is arranged on the base plate 40431, the inner grinding ring 40433 is arranged on the base plate 40431, the inner wall grinding component 40434 is arranged on the inner grinding ring 40433, and the bottom wall grinding component 40435 is arranged on the base plate 40431.

[0043] It should be noted that the height of the inner grinding ring 40433 on the substrate 40431 is the same as that of the outer grinding ring 4042. The inner wall grinding component 40434 and the bottom wall grinding component 40435 are blades for grinding the inner wall and the bottom wall of the bottle cap. When the bottle cap is placed, it is pressed down by the stamping mechanism 50 until it reaches the top wall of the positioning baffle 40432.

[0044] Furthermore, in order to ensure the removal of the flash on the outer wall of the bottle cap, an outer wall grinding component is provided on the outer grinding ring 4042 to grind the outer wall of the bottle cap.

[0045] In an embodiment of the present invention, as Figure 5 shown, the feeding assembly 60 includes an outer frame 601, a positioning substrate 602, a blanking mechanism 603, a blanking port 604, and a baffle 605.

[0046] Among them, the outer frame 601 is arranged on the bottom plate 10, the positioning substrate 602 is arranged inside the outer frame 601, the blanking mechanism 603 is arranged on the bottom wall of the outer frame 601, the blanking port 604 is opened on the outer frame 601, and the baffle 605 is arranged inside the outer frame 601.

[0047] It should be noted that in this embodiment, the positioning substrate 602 is arranged in the outer frame 601. The positioning substrate 602 is set according to the size of the bottle cap. The bottle cap is limited to move in the positioning substrate 602 and falls through the blanking port 604. The baffle 605 is arranged on the other side of the blanking port 604 to block the bottle cap. When the blanking mechanism 603 is not stressed, it blocks the blanking port 604. Subsequently, when the inner rotating plate 402 drives the material trough 403 to rotate, the material trough 403 and the blanking mechanism 603 are engaged to open the blanking port 604.

[0048] In an embodiment of the present invention, as Figure 5 shown, the blanking mechanism 603 includes a positioning frame 6031, a reset component 6032, a movable plate 6033, and a blocking member 6034.

[0049] Among them, the positioning frame 6031 is arranged on the bottom wall of the outer frame 601. The movable plate 6033 is movably arranged inside the positioning frame 6031. The two ends of the reset component 6032 are respectively connected to the positioning frame 6031 and the movable plate 6033. The blocking member 6034 is arranged on the movable plate 6033.

[0050] It should be noted that in this embodiment, a limiting chute is provided on the positioning frame 6031. The movable plate 6033 slides in the limiting chute. The reset component 6032 is a reset spring. The reset component 6032 pushes the movable plate 6033 to move and reset. The top wall of the blocking member 6034 blocks the blanking port. When the material trough 403 is engaged with the blocking member 6034 during the rotation process, the blanking port is gradually opened.

[0051] In an embodiment of the present invention, as Figure 5 and Figure 6 shown, the gear member 6034 includes an outer baffle 60341 and a material baffle 60342.

[0052] Among them, the outer baffle 60341 is arranged on the movable plate 6033, and the material baffle 60342 is arranged on the outer baffle 60341.

[0053] It should be noted that the top wall area of the outer baffle 60341 is larger than the caliber of the blanking port, so the outer baffle 60341 blocks the blanking port, and the material baffle 60342 is arranged on the bottom wall of the outer baffle 60341, and the surface of the material baffle 60342 is an inclined end face, and the inclined end face is tangent to the material trough 403, and the movable plate 6033 is pushed to move during the rotation of the material trough 403.

[0054] In an embodiment of the present invention, as Figure 7 shown, the stamping mechanism 50 includes a fixed bracket 501, a second driving component 502 and a pressing plate 503.

[0055] Among them, the fixed bracket 501 is arranged on the outer fixing plate 401, the second driving component 502 is arranged on the fixed bracket 501, and the pressing plate 503 is arranged at the output end of the second driving component 502.

[0056] It should be noted that the fixed bracket 501 is arranged on the outer fixing plate 401, the second driving component 502 is a hydraulic cylinder, and by controlling the switch and connecting the power supply to operate the second driving component 502, the pressing plate 503 is pushed to move downward, so that the pressing plate 503 moves downward to abut against the bottle cap, and the bottle cap is fixed on the buffer component 60443 and moves downward therewith.

[0057] Furthermore, in order to ensure that the bottle cap is conveniently reset after grinding, air holes are provided on the pressing plate 503, and the air holes are communicated with the shaft rod at the output end of the second driving component 502, and an air pump is provided on the fixed bracket 501. Operating the air pump generates negative pressure so that the pressing plate 503 drives the bottle cap to disengage from the buffer rod holder 40442 when moving upward. And the pressure of the negative pressure generated by the air pump is set by the force generated when the material trough 403 rotates, so that the material trough 403 drives the bottle cap to move when rotating.

[0058] Specifically, the steps for removing flash from the injection-molded bottle caps are as follows: The bottle caps are placed on the conveying mechanism one by one. The conveying mechanism uses a conveyor in the prior art. The bottle caps are conveyed to the positioning substrate 602 through the conveyor. Then, the bottle caps are pushed against each other to move the bottle caps in sequence. When the bottle caps enter the blanking port 604, the pushing of the bottle caps stops. At this time, the stepping motor in the support base 20 is operated, and then the inner rotating plate 402 is driven to rotate. The inner rotating plate 402 drives the material trough 403 to rotate synchronously. During the rotation of the material trough 403, it abuts against the baffle plate 60342. The movable plate 6033 moves in the positioning frame 6031, and then the outer baffle 60341 moves to open the blanking port 604. At this time, the material trough 403 is located directly below the blanking port 604, and the bottle caps fall into the material trough 403 through the blanking port 604.

[0059] Subsequently, the stepping motor in the support base 20 is operated again to drive the material trough 403 to rotate, and the outer baffle 60341 is pushed by the reset component 6032 to reset and block the blanking port. Then, the bottle caps move to the grinding mechanism 404. The bottle caps fall onto the buffer rod frame 40442, and the subsequent material trough 403 receives the next bottle cap. The bottle caps are pressed against the buffer rod frame 40442. At this time, the driving component two 502 in the stamping mechanism 50 is operated, and the driving component two 502 pushes the pressing plate 503 to press against the bottle caps, pressing the bottle caps down into the outer grinding ring 4042 and supporting the bottle caps through the positioning baffle 40432. The driving component 4041 is operated to drive the outer grinding ring 4042 and the inner grinding ring 40433 to rotate synchronously. At this time, the inner wall grinding component 40434 and the bottom wall grinding component 40435 grind the inner wall and the bottom wall of the bottle caps.

[0060] After grinding is completed, the stamping mechanism 50 resets. The buffer rod frame 40442 pushes the bottle caps upward, and the pressing plate 503 adsorbs the bottle caps and moves upward, driving the bottle caps to move into the material trough 403. Subsequently, the stepping motor in the support base 20 is operated again. The bottle caps that have been ground move and fall from the discharge port 405 into the receiving cylinder 30, driving the bottle caps in the next material trough 403 to move to the grinding mechanism 404.

[0061] In summary, for the flash grinding equipment based on injection-molded bottle cap forming processing in the embodiment of the present invention, the bottle caps are limited and circulated for conveying, and the bottle caps are ground from all aspects and at multiple angles to achieve the purpose of quickly removing flash, thereby effectively improving the processing efficiency of the bottle caps.

[0062] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and deformations to the above embodiments within the scope of the present invention.

Claims

1. A flash grinding device based on injection molding bottle cap forming and processing, characterized in that, It includes a bottom plate, a support base, a material receiving cylinder, a material transfer component, a stamping mechanism and a feeding component. Among them, the support base is arranged on the bottom plate; the material receiving cylinder is arranged on the support base; the material transfer component is rotatably arranged on the support base. The material transfer component includes an outer fixed plate, an inner rotating plate, a material groove, a grinding mechanism and a discharge port. Among them, the outer fixed plate is arranged on the support base; the inner rotating plate is rotatably arranged on the outer fixed plate; there are multiple groups of the material grooves, and the multiple groups of material grooves are arranged in an annular array on the inner rotating plate; the grinding mechanism is arranged on the outer fixed plate; the discharge port is opened on the outer fixed plate; the stamping mechanism is arranged on the material transfer component; the feeding component is arranged on the bottom plate.

2. The flash grinding device based on injection-molded bottle cap forming and processing according to claim 1, characterized in that, The grinding mechanism includes a driving component, an outer grinding ring, an inner grinding part and a buffer part. Among them, the driving component is arranged on the outer fixed plate; the outer grinding ring is arranged at the output end of the driving component; the inner grinding part is arranged inside the outer grinding ring; the buffer part is arranged on the inner grinding part.

3. The flash grinding device for injection molded bottle caps according to claim 2, characterized in that, The buffer part includes an outer sleeve, a buffer rod frame and a buffer component. Among them, the outer sleeve is arranged on the inner grinding part; the buffer rod frame is movably arranged inside the outer sleeve; both ends of the buffer component are respectively connected to the outer sleeve and the buffer rod frame.

4. The flash grinding equipment based on injection molding bottle cap forming and processing according to claim 2, characterized in that, The inner grinding part includes a substrate, a positioning baffle, an inner grinding ring, an inner wall grinding component and a bottom wall grinding component. Among them, the substrate is arranged on the outer grinding ring; the positioning baffle is arranged on the substrate; the inner grinding ring is arranged on the substrate; the inner wall grinding component is arranged on the inner grinding ring; the bottom wall grinding component is arranged on the substrate.

5. The flash grinding equipment based on injection molding bottle cap forming and processing according to claim 1, characterized in that, The feeding component includes an outer frame, a positioning substrate, a blanking mechanism, a blanking port and a baffle. Among them, the outer frame is arranged on the bottom plate; the positioning substrate is arranged inside the outer frame; the blanking mechanism is arranged on the bottom wall of the outer frame; the blanking port is opened on the outer frame; the baffle is arranged inside the outer frame.

6. The flash grinding equipment based on injection-molded bottle cap forming and processing according to claim 5, wherein, The blanking mechanism includes a positioning frame, a reset component, a movable plate and a blocking part. Among them, the positioning frame is arranged on the bottom wall of the outer frame; the movable plate is movably arranged inside the positioning frame; both ends of the reset component are respectively connected to the positioning frame and the movable plate; the blocking part is arranged on the movable plate.

7. The flash grinding device based on injection molding bottle cap forming and processing according to claim 6, characterized in that, The blocking part includes an outer baffle and a material blocking plate. Among them, the outer baffle is arranged on the movable plate; the material blocking plate is arranged on the outer baffle.

8. The flash grinding device for injection-molded bottle cap forming and processing according to claim 1, characterized in that, The stamping mechanism includes a fixed bracket, a driving component two and a pressing plate. Among them, the fixed bracket is arranged on the outer fixed plate; the driving component two is arranged on the fixed bracket; the pressing plate is arranged at the output end of the driving component two.

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