A grinding and polishing device for mold processing

Abstract

The present invention discloses a grinding and polishing device for mold processing, which relates to the technical field of polishing devices, including an electric grinder body, the top of the electric grinder body is fixedly connected to a connecting line, the output end of the electric grinder body is connected to a rotating shaft, a grinding head is provided below the rotating shaft, and the bottom end of the grinding head is provided with a long strip of sandpaper, and also includes an adjustment mechanism and a clamping mechanism. The present invention sets the adjustment mechanism and the clamping mechanism, so that the long strip of sandpaper is tightly attached to the bottom end of the grinding head, and the two ends of the sandpaper are respectively fixed on two movable seats. By adjusting the position of the two movable seats, the position of the sandpaper is adjusted. After the sandpaper at the bottom end of the grinding head is used, the unused sandpaper part is moved to the bottom end of the grinding head for use, which can reduce the frequency of sandpaper replacement, improve the grinding efficiency of the mold, and facilitate the grinding of the mold.

Description

Technical Field

[0001] The invention relates to the technical field of polishing devices, in particular to a grinding and polishing device for mold processing. Background Art

[0002] During mold manufacturing, the mold requires grinding and polishing. Polishing removes machining marks, tool marks, and burrs from the mold surface, leaving the molded product smooth and flawless, enhancing its aesthetic appearance. A smooth mold surface helps materials (such as plastic or metal) better fill the mold cavity, reducing surface defects. Grinding and polishing typically begins with a rough polish using coarse sandpaper, followed by a fine polish using fine sandpaper. Finally, ultra-fine abrasive paste or magnetic polishing technology is used to achieve a mirror-like finish under high-speed rotation or magnetic fields. This technique is suitable for high-precision applications such as optical molds.

[0003] When using sandpaper to polish a mold, a handheld electric grinder is required. The sandpaper is usually cut into small pieces and glued to the bottom of the polishing head. The grinder then rotates, causing the sandpaper to contact the mold for polishing. However, after using a piece of sandpaper for a period of time, the old sandpaper needs to be removed and a new piece of sandpaper needs to be cut, glued, and fixed. This operation is relatively complicated and affects the efficiency of polishing the mold. In order to facilitate the polishing of the mold, a polishing device for mold processing is provided. Summary of the Invention

[0004] The purpose of the present invention is to provide a grinding and polishing device for mold processing in order to facilitate the grinding of the mold.

[0005] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said adjusting base is a bottom-plate and said adjusting base is connected to said rotating shaft by said adjusting base. said adjusting base is connected to said rotating shaft by said adjusting base. said adjusting base is connected to said bottom-plate. said adjusting base is connected to said rotating shaft by said adjusting base.

[0006] As a further solution of the present invention: the adjustment mechanism also includes an arc-shaped groove, which is opened inside the adjustment seat and located at the top of the displacement seat, and a horizontal groove is opened inside the adjustment seat between the two arc-shaped grooves, and the interior of the displacement seat is rotatably connected to a rotating disk extending from the displacement seat, the top of the rotating disk is flat and fixedly connected to a horizontal plate, one end of the rotating disk is fixedly connected to a connecting shaft, one end of the connecting shaft is fixedly connected to a rotating block, and the top of the rotating block is fixedly connected to a protrusion.

[0007] As a further solution of the present invention: the clamping mechanism includes a socket, which is opened on the outer wall of the sandpaper, and the internal sliding connection of the movable seat is connected to the displacement plate, the outer wall of the displacement plate is fixedly connected to a threaded rod, and the threaded rod extends to the outer wall of the movable seat, and the interior of the movable seat is located on both sides of the displacement plate and is rotatably connected to a spur gear, and the interior of the movable seat is located on the outer wall of the spur gear and is slidably connected to a connecting rod, and one end of the connecting rod extending out of the movable seat is fixedly connected to a splint, the interior of the splint is rotatably connected to a threaded cylinder, one end of the threaded cylinder is fixedly connected to a rotating column, and the interior of the rotating column is slidably connected to a card block extending from the rotating column, and a second spring is connected between the card block and the rotating column, and the outer wall of the splint is located on the outside of the rotating column and is fixedly connected to a gear ring.

[0008] As a further solution of the present invention: the outer wall of the movable frame is in contact with the inner wall of the movable groove, the outer wall of the tooth plate is provided with a first tooth groove, and one end of the tooth block is engaged with the first tooth groove.

[0009] As a further solution of the present invention: the inner wall of the arc-shaped groove fits with the outer wall of the rotating disk, and the inner wall of the horizontal groove fits with the outer wall of the horizontal plate.

[0010] As a further solution of the present invention, the protrusion and the transverse plate are oriented in the same direction.

[0011] As a further solution of the present invention, the inner wall of the insertion hole is in contact with the outer wall of the threaded rod.

[0012] As a further solution of the present invention: the outer walls of the displacement plate and the connecting rod are both provided with second tooth grooves, and the second tooth grooves are engaged with the spur gears.

[0013] As a further solution of the present invention: the inner wall of the threaded barrel is provided with an internal thread, and the internal thread matches the threaded rod.

[0014] As a further solution of the present invention: the inner wall of the gear ring is provided with ratchet teeth, and one end of the clamping block is engaged with the ratchet teeth.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] By setting an adjustment mechanism and a clamping mechanism, the long strip of sandpaper is pressed against the bottom end of the grinding head, and the two ends of the sandpaper are respectively fixed on two movable seats. By adjusting the positions of the two movable seats, the position of the sandpaper is adjusted. After the sandpaper at the bottom end of the grinding head is used up, the unused sandpaper part is moved to the bottom end of the grinding head for use, which can reduce the frequency of sandpaper replacement, improve the grinding efficiency of the mold, and facilitate the grinding of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the adjustment seat of the present invention;

[0019] Figure 3 This is a schematic diagram of the installation of the movable seat of the present invention;

[0020] Figure 4 This is a schematic diagram of the internal structure of the adjustment seat of the present invention;

[0021] Figure 5 It is a structural schematic diagram of the arc groove of the present invention;

[0022] Figure 6 Schematic diagram of the internal structure of the displacement seat of the present invention;

[0023] Figure 7 It is a structural schematic diagram of the jack of the present invention;

[0024] Figure 8 A schematic diagram of the internal structure of the movable seat of the present invention;

[0025] Figure 9 Schematic diagram of the internal structure of the splint of the present invention;

[0026] Figure 10 Schematic diagram of the structure of the gear ring of the present invention.

[0027] In the figure: 1. Electric grinder body; 2. Connecting line; 3. Rotating shaft; 4. Grinding head; 5. Sandpaper; 6. Adjusting mechanism; 601. Adjusting seat; 602. Movable groove; 603. Movable frame; 604. Movable seat; 605. Tooth block; 606. Tooth plate; 607. First spring; 608. Displacement seat; 609. Arc groove; 610. Horizontal groove; 611. Rotating disk; 612. Horizontal plate; 613. Connecting shaft; 614. Rotating block; 615. Protrusion; 7. Clamping mechanism; 701. Jack; 702. Displacement plate; 703. Threaded rod; 704. Spur gear; 705. Connecting rod; 706. Clamping plate; 707. Threaded barrel; 708. Rotating column; 709. Block; 710. Second spring; 711. Gear ring. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and should not be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected, detachably connected, or connected in one piece; they can be mechanically connected or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following describes an embodiment of the present invention based on its overall structure.

[0030] See also Figures 1 to 10In an embodiment of the present invention, a grinding and polishing device for mold processing includes an electric grinder body 1, the top of the electric grinder body 1 is fixedly connected to a connecting line 2, the output end of the electric grinder body 1 is connected to a rotating shaft 3, a grinding head 4 is provided below the rotating shaft 3, and a long strip of sandpaper 5 is provided at the bottom end of the grinding head 4. The position of the sandpaper 5 is adjusted by an adjusting mechanism 6, and the adjusting mechanism 6 includes an adjusting seat 601, the adjusting seat 601 is fixedly connected to the bottom end of the rotating shaft 3, the grinding head 4 is fixedly connected to the bottom end of the adjusting seat 601, and the outer wall of the adjusting seat 601 is symmetrically provided with movable grooves 602, the inner wall of the movable groove 602 is slidably connected to a movable frame 603, the outer wall of the movable frame 603 is fixedly connected to a movable seat 604, and the outer wall of the movable frame 603 is fixedly connected to a tooth block 605 on the side away from the movable seat 604. The inner wall of the adjusting seat 601 is symmetrical. A tooth plate 606 is slidably connected, a first spring 607 is connected between the two tooth plates 606, the top of the tooth plate 606 is fixedly connected to a displacement seat 608, the displacement seat 608 extends out of the adjustment seat 601, the sandpaper 5 is fixed to the outer wall of the movable seat 604 through the clamping mechanism 7, the adjusting mechanism 6 also includes an arc groove 609, the arc groove 609 is opened inside the adjustment seat 601 and is located at the top of the displacement seat 608, the interior of the adjustment seat 601 is provided with a transverse groove 610 between the two arc grooves 609, the interior of the displacement seat 608 is rotatably connected to a rotating disk 611 extending from the displacement seat 608, the top of the rotating disk 611 is flat and fixedly connected to a transverse plate 612, one end of the rotating disk 611 is fixedly connected to a connecting shaft 613, one end of the connecting shaft 613 is fixedly connected to a rotating block 614, and the top of the rotating block 614 is fixedly connected to a protrusion 615.

[0031] When the sandpaper 5 is cut into strips, the two ends of the sandpaper 5 are fixed on the movable seat 604 respectively through the cooperation of the parts in the clamping mechanism 7, and the position of the movable seat 604 is adjusted. At this time, the movable frame 603 slides in the movable groove 602, so that the sandpaper 5 is close to the bottom end of the grinding head 4. When adjusting, the rotating disk 611 does not enter the arc groove 609. At this time, the horizontal plate 612 can slide along the horizontal groove 610; when the adjustment is completed, the rotating block 614 drives the connecting shaft 613 to rotate, and the connecting shaft 613 rotates to drive the rotating disk 611 to rotate. The rotating disk 611 rotates into the arc groove 609 to fix the position of the displacement seat 608. The displacement seat 608 is fixed, so that the tooth plate 606 and the tooth block 605 always remain engaged, thereby fixing the position of the movable seat 604.

[0032] When the sandpaper 5 at the bottom end of the grinding head 4 is used up, the rotating block 614 is rotated so that the protrusion 615 faces upward. At this time, the rotating disk 611 rotates out of the arc groove 609, and the horizontal plate 612 is directly above. At this time, the position of the rotating block 614 can be adjusted to move the unused sandpaper 5 to the bottom end of the grinding head 4 for use, which facilitates the adjustment operation of the position of the sandpaper 5.

[0033] Please refer to Figures 7 to 10 The outer wall of the clamping plate 708 is fixedly connected to the outer wall of the movable seat 604, and the outer wall of the movable seat 604 is fixedly connected to the outer wall of the movable seat 604.

[0034] In this embodiment, when the sandpaper 5 is fixed, a socket 701 matching the threaded rod 703 is opened on the sandpaper 5, and then the sandpaper 5 is placed between the clamping plate 706 and the movable seat 604, and the clamping plate 706 is pushed toward the movable seat 604 to move. The displacement of the clamping plate 706 drives the connecting rod 705 to move, and the displacement of the connecting rod 705 drives the spur gear 704 to rotate. The rotation of the spur gear 704 drives the displacement plate 702 to move, and the displacement of the displacement plate 702 drives the threaded rod 703 to move. The threaded rod 703 moves out of the movable seat 604 and is inserted into the socket 701; until the threaded rod 703 contacts the inner wall of the threaded cylinder 707, and then the rotating column 708 is rotated to rotate. The rotation of column 708 drives threaded barrel 707 to rotate, and threaded barrel 707 rotates to connect threaded rod 703 into the inner wall of threaded barrel 707, and splint 706 moves toward movable seat 604, clamping sandpaper 5. At the same time, block 709 is engaged with gear ring 711 by the elastic force of second spring 710, so that rotating column 708 can only rotate in one direction, thereby improving the firmness of connection between threaded barrel 707 and threaded rod 703; when separating, push block 709 to move and separate from gear ring 711, then rotate rotating column 708 to drive threaded barrel 707 to rotate, so that threaded rod 703 moves out of threaded barrel 707, push splint 706 away from movable seat 604, and loosen the sandpaper 5.

[0035] The long strip of sandpaper 5 is placed tightly against the bottom end of the grinding head 4, and the two ends of the sandpaper 5 are respectively fixed on the two movable seats 604. The position of the sandpaper 5 is adjusted by adjusting the positions of the two movable seats 604. After the sandpaper 5 at the bottom end of the grinding head 4 is used up, the unused sandpaper 5 is moved to the bottom end of the grinding head 4 for use, which can reduce the frequency of replacing the sandpaper 5, improve the grinding efficiency of the mold, and facilitate the grinding of the mold.

[0036] Please refer to Figures 2 to 6 The outer wall of the movable frame 603 is in contact with the inner wall of the movable groove 602 , the outer wall of the tooth plate 606 is provided with a first tooth groove, and one end of the tooth block 605 is engaged with the first tooth groove.

[0037] In this embodiment, the position of the movable seat 604 is adjusted, and the movable frame 603 slides in the movable groove 602 .

[0038] Please refer to Figures 2 to 6 The inner wall of the arc groove 609 fits with the outer wall of the rotating disk 611 , and the inner wall of the horizontal groove 610 fits with the outer wall of the horizontal plate 612 .

[0039] In this embodiment: rotate the rotating block 614 so that the protrusion 615 faces upward. At this time, the rotating disk 611 rotates out of the arc groove 609, and the horizontal plate 612 is directly above. The horizontal plate 612 can slide along the horizontal groove 610. At this time, the position of the rotating block 614 can be adjusted.

[0040] Please refer to Figures 2 to 6 The protrusion 615 and the transverse plate 612 are oriented in the same direction, that is, the protrusion 615 and the transverse plate 612 are both located on the same side of the connecting shaft (613) and are arranged in a collinear manner.

[0041] In this embodiment, the position of the horizontal plate 612 is determined by the position of the protrusion 615 , and the rotation block 614 is rotated to drive the protrusion 615 toward the top, so that the horizontal plate 612 is directed toward the top.

[0042] Please refer to Figures 7 to 10 , the inner wall of the socket 701 fits with the outer wall of the threaded rod 703 .

[0043] In this embodiment, the displacement of the displacement plate 702 drives the threaded rod 703 to move, and the threaded rod 703 moves out of the movable seat 604 and inserts into the insertion hole 701.

[0044] Please refer to Figures 7 to 10 The outer walls of the displacement plate 702 and the connecting rod 705 are both provided with a second tooth groove, and the second tooth groove is engaged with the spur gear 704.

[0045] In this embodiment, the clamping plate 706 is pushed toward the movable seat 604 for displacement. The displacement of the clamping plate 706 drives the connecting rod 705 to move. The displacement of the connecting rod 705 drives the spur gear 704 to rotate. The rotation of the spur gear 704 drives the displacement plate 702 to move.

[0046] Please refer to Figures 7 to 10 The inner wall of the threaded barrel 707 is provided with an internal thread, and the internal thread matches the threaded rod 703.

[0047] In this embodiment, the threaded barrel 707 rotates to connect the threaded rod 703 into the inner wall of the threaded barrel 707 , and the clamping plate 706 moves toward the movable seat 604 to clamp the sandpaper 5 .

[0048] Please refer to Figures 7 to 10 The inner wall of the gear ring 711 is provided with ratchet teeth, and one end of the clamping block 709 is engaged with the ratchet teeth.

[0049] In this embodiment, the clamping block 709 is engaged with the gear ring 711 under the elastic force of the second spring 710, so that the rotating column 708 can only rotate in one direction, thereby improving the firmness of the connection between the threaded barrel 707 and the threaded rod 703.

[0050] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A grinding and polishing device for mold processing, comprising an electric grinder body (1), a top end of the electric grinder body (1) being fixedly connected to a connecting line (2), an output end of the electric grinder body (1) being connected to a rotating shaft (3), a grinding head (4) being provided below the rotating shaft (3), and characterized in that: The bottom end of the grinding head (4) is provided with a long strip of sandpaper (5), and the position of the sandpaper (5) is adjusted by an adjusting mechanism (6). The adjusting mechanism (6) includes an adjusting seat (601), and the adjusting seat (601) is fixedly connected to the bottom end of the rotating shaft (3). The grinding head (4) is fixedly connected to the bottom end of the adjusting seat (601). The outer wall of the adjusting seat (601) is symmetrically provided with movable grooves (602). The inner wall of the movable groove (602) is slidably connected to a movable frame (603). The outer wall of the movable frame (603) is fixedly connected to the bottom end of the rotating shaft (3). A movable seat (604) is fixedly connected to the movable frame (603), a tooth block (605) is fixedly connected to the side of the outer wall away from the movable seat (604), a tooth plate (606) is symmetrically slidably connected to the inside of the adjustment seat (601), a first spring (607) is connected between the two tooth plates (606), the top of the tooth plate (606) is fixedly connected to the displacement seat (608), the displacement seat (608) extends out of the adjustment seat (601), and the sandpaper (5) is fixed to the outer wall of the movable seat (604) through a clamping mechanism (7); The adjustment mechanism (6) further includes an arcuate groove (609), the arcuate groove (609) being provided inside the adjustment seat (601) and located at the top end of the displacement seat (608), a transverse groove (610) being provided inside the adjustment seat (601) and located between the two arcuate grooves (609), the interior of the displacement seat (608) being rotatably connected to a rotating disk (611) extending from the displacement seat (608), the top end of the rotating disk (611) being flat and fixedly connected to a transverse plate (612), one end of the rotating disk (611) being fixedly connected to a connecting shaft (613), one end of the connecting shaft (613) being fixedly connected to a rotating block (614), and the top end of the rotating block (614) being fixedly connected to a protrusion (615).

2. A grinding and polishing device for mold processing according to claim 1, characterized in that: The clamping mechanism (7) includes a socket (701), the socket (701) is opened on the outer wall of the sandpaper (5), the interior of the movable seat (604) is slidably connected to a displacement plate (702), the outer wall of the displacement plate (702) is fixedly connected to a threaded rod (703), the threaded rod (703) extends to the outer wall of the movable seat (604), the interior of the movable seat (604) is located on both sides of the displacement plate (702) and is rotatably connected to spur gears (704), and the interior of the movable seat (604) is located on the outer wall of the spur gear (704) and is slidably connected to a connecting rod (705). One end of the connecting rod (705) extending from the movable seat (604) is fixedly connected to a splint (706), the interior of the splint (706) is rotatably connected to a threaded cylinder (707), one end of the threaded cylinder (707) is fixedly connected to a rotating column (708), the interior of the rotating column (708) is slidably connected to a clamping block (709) extending from the rotating column (708), a second spring (710) is connected between the clamping block (709) and the rotating column (708), and the outer wall of the splint (706) is located on the outside of the rotating column (708) and is fixedly connected to a gear ring (711).

3. A grinding and polishing device for mold processing according to claim 1, characterized in that: The outer wall of the movable frame (603) is fitted with the inner wall of the movable groove (602), the outer wall of the tooth plate (606) is provided with a first tooth groove, and one end of the tooth block (605) is engaged with the first tooth groove.

4. A grinding and polishing device for mold processing according to claim 1, characterized in that: The inner wall of the arc-shaped groove (609) fits in contact with the outer wall of the rotating disk (611), and the inner wall of the horizontal groove (610) fits in contact with the outer wall of the horizontal plate (612).

5. A grinding and polishing device for mold processing according to claim 1, characterized in that: The protrusion (615) and the transverse plate (612) have the same orientation.

6. A grinding and polishing device for mold processing according to claim 2, characterized in that: The inner wall of the insertion hole (701) fits in contact with the outer wall of the threaded rod (703).

7. A grinding and polishing device for mold processing according to claim 2, characterized in that: The outer walls of the displacement plate (702) and the connecting rod (705) are both provided with a second tooth groove, and the second tooth groove is engaged with the spur gear (704).

8. A grinding and polishing device for mold processing according to claim 2, characterized in that: The inner wall of the threaded barrel (707) is provided with an internal thread, and the internal thread matches the threaded rod (703).

9. A grinding and polishing device for mold processing according to claim 2, characterized in that: The inner wall of the gear ring (711) is provided with ratchet teeth, and one end of the clamping block (709) is engaged with the ratchet teeth.

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