Plastic molding and polishing device

Abstract

The invention relates to the field of plastic forming or connecting, in particular to a plastic forming and grinding device. A plastic forming and grinding device comprises a grinding disc, fixing screws and a grinding disc seat, the grinding disc is inserted in the lower side of the grinding disc seat, the periphery of the grinding disc seat is connected with the multiple fixing screws through threads, the multiple fixing screws are all pressed on the grinding disc, and the lower side of the grinding disc is a protruding arc-shaped face. And the lower end of the middle shaft is fixedly connected to the center of the upper side of the grinding disc seat. The motor is fixedly connected to the upper side of the round seat, an output shaft of the motor is connected to the upper portion of the middle shaft, and the middle shaft is in clearance fit with the round seat. The device further comprises side shafts, a block seat and a round hole, the round hole is formed in the block seat, the side shafts are fixedly connected to the front side and the rear side of the round seat, and the two side shafts are rotationally connected to the block seat. And the lower side of the grinding disc is a convex arc-shaped surface, and the convex arc-shaped surface is more convenient to grind.

Description

Technical Field

[0001] The invention relates to the field of plastic molding or connection, and more particularly to a plastic molding and polishing device. Background Art

[0002] Grinding is a type of surface modification technology. It generally refers to a processing method that uses rough objects to change the physical properties of the material surface through friction. The main purpose is to obtain a specific surface roughness. When grinding plastics, the grinding discs in the prior art are often cylindrical. Cylindrical grinding discs can generally only grind flat surfaces, and cannot grind curved surfaces on plastics. When it is necessary to process curved surfaces on plastics, it is not easy to operate. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a plastic molding grinding device, which has the beneficial effect that the lower side of the grinding disc is a convex arc surface, which is more convenient for grinding and can grind an arc surface on the plastic.

[0004] A plastic molding grinding device comprises a grinding disc, fixing screws and a grinding disc seat, wherein the grinding disc is inserted at the lower side of the grinding disc seat, the outer periphery of the grinding disc seat is connected with a plurality of fixing screws via threads, the plurality of fixing screws are all pressed on the grinding disc, and the lower side of the grinding disc is a convex arc surface.

[0005] It also includes a central shaft, the lower end of which is fixedly connected to the upper center of the grinding disc seat.

[0006] It also includes a motor and a round seat. The upper side of the round seat is fixedly connected with the motor. The output shaft of the motor is connected to the upper part of the middle shaft. The middle shaft and the round seat are clearance-matched.

[0007] It also includes a side shaft, a block seat and a round hole. The block seat is provided with a round hole. The front and rear sides of the round seat are both fixedly connected with side shafts, and the two side shafts are both rotatably connected to the block seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0009] Figure 1 A schematic diagram of the structure of a plastic molding and grinding device Figure 1 ;

[0010] Figure 2 A schematic diagram of the structure of a plastic molding and grinding device Figure 2 ;

[0011] Figure 3 A schematic diagram of the structure of a plastic molding and grinding device Figure 3 ;

[0012] Figure 4 The structure of the grinding disc is shown in Fig. Figure 1 ;

[0013] Figure 5 The structure of the grinding disc is shown in Fig. Figure 2 ;

[0014] Figure 6 Schematic diagram of the block base and the horizontal axis Figure 1 ;

[0015] Figure 7 Schematic diagram of the block base and the horizontal axis Figure 2 ;

[0016] Figure 8 Schematic diagram of the connecting frame Figure 1 ;

[0017] Fig. 9 Schematic diagram of the connecting frame Figure 2 ;

[0018] Fig.10 The structure of the slider is shown in Figure 2. Figure 1 ;

[0019] Fig.11 The structure of the slider is shown in Figure 2. Figure 2 .

[0020] In the figure: grinding disc 101; fixing screw 102; grinding disc seat 103; central shaft 104; limiting ring 105; side shaft 106; rotating rod 107; motor 108; round seat 109;

[0021] Block seat 201; round hole 202; right angle frame 203; arc spring rod 204; stop rod 205; inner groove 206; handle 207;

[0022] Horizontal axis 301; retaining ring 302; nut 303; vertical rod 304; right angle seat 305;

[0023] Connecting frame 401; vertical bar 402; round piece 403; round shaft 404; rotating wheel 405; wheel seat 406; bottom piece 407; square edge 408;

[0024] Slider 501; Vertical slot 502. DETAILED DESCRIPTION

[0025] like Figure 4-5 As shown, this example can achieve the effect of machining a curved surface on plastic.

[0026] Since the plastic molding grinding device includes a grinding disc 101, fixing screws 102 and a grinding disc seat 103, the grinding disc 101 is installed on the lower side of the grinding disc seat 103, and the outer periphery of the grinding disc seat 103 is connected with multiple fixing screws 102 through threads, and the multiple fixing screws 102 are arranged in a ring shape, and the multiple fixing screws 102 are all pressed on the grinding disc 101, thereby fixing the grinding disc 101 on the grinding disc seat 103, and facilitating the disassembly of the grinding disc 101, and the lower side of the grinding disc 101 is a convex arc surface, and an arc surface can be ground on the plastic through the convex arc surface, thereby processing an arc surface on the plastic.

[0027] like Figure 4 As shown, this example can achieve the effect of the grinding disc 101 rotating.

[0028] Since the plastic molding and grinding device also includes a central axis 104, the lower end of the central axis 104 is welded to the upper center of the grinding wheel seat 103, so that the grinding wheel 101 and the grinding wheel seat 103 can rotate around the axis of the central axis 104, and then drive the grinding wheel 101 to move, and then grind on the plastic.

[0029] like Figure 4-5 As shown, this example can achieve the effect of driving the grinding wheel 101 and the grinding wheel seat 103 to rotate around the axis of the central shaft 104.

[0030] Since the plastic molding and grinding device also includes a motor 108 and a round seat 109, the upper side of the round seat 109 is connected to the motor 108 by screws, and the output shaft of the motor 108 is connected to the upper part of the central axis 104 by a coupling. The central axis 104 and the round seat 109 are clearance-matched, and then the motor 108 can drive the central axis 104 to rotate, and then drive the grinding wheel 101 and the grinding wheel seat 103 to rotate around the axis of the central axis 104.

[0031] like Figure 4-7 As shown, this example can achieve the effect of grinding plastic using different positions on the grinding disc 101.

[0032] Since the plastic molding and grinding device also includes a side shaft 106, a block seat 201 and a circular hole 202, the circular hole 202 is arranged on the block seat 201, and the front and rear sides of the round seat 109 are both threadedly connected with the side shafts 106, and the two side shafts 106 are rotatably connected to the block seat 201, so that the round seat 109 can rotate at the circular hole 202 through the two side shafts 106, so that the grinding disc 101, the grinding disc seat 103 and the central axis 104 can rotate left and right, thereby controlling the grinding disc 101 to rotate left and right, and using different positions on the grinding disc 101 to grind the plastic.

[0033] like Figure 4-5 As shown, this example can achieve the effect of facilitating the control of the grinding wheel 101, the grinding wheel seat 103 and the central shaft 104 to rotate around the axis of the side shaft 106.

[0034] Since the plastic molding and grinding device also includes a limit ring 105 and a rotating rod 107, the limit rings 105 are welded on the two side shafts 106, and the two limit rings 105 are respectively fitted with the front and rear sides of the block seat 201. The right ends of the two rotating rods 107 are respectively connected to the front and rear ends of the side shaft 106 by screws. The two limit rings 105 can prevent the two side shafts 106 from moving forward and backward relative to the block seat 201, thereby preventing the round seat 109 from moving forward and backward relative to the block seat 201. The two rotating rods 107 are used to facilitate the control of the rotation of the round seat 109, and then facilitate the control of the grinding wheel 101, the grinding wheel seat 103 and the central axis 104 to rotate around the axis of the side shaft 106.

[0035] like Figure 6-7 As shown, this example can achieve the effect of preventing the grinding disc 101 from grinding too hard on the plastic.

[0036] Since the plastic molding and grinding device also includes a right-angle frame 203, an arc-shaped elastic rod 204 and a blocking rod 205, the blocking rods 205 are welded on the front and rear sides of the block seat 201, and the two blocking rods 205 are respectively placed on the lower sides of the two rotating rods 107, thereby limiting the two rotating rods 107 from continuing to rotate counterclockwise after contacting them, and the front and rear sides of the block seat 201 are connected to the right-angle frame 203 by screws, and the two right-angle frames 203 are welded with arc-shaped elastic rods 204, and the lower ends of the two arc-shaped elastic rods 204 are respectively welded on the two rotating rods 107, and the two arc-shaped elastic rods 204 are respectively welded on the two rotating rods 107. 04 respectively apply downward force to the two rotating rods 107, so that the two rotating rods 107 have a tendency to rotate counterclockwise, and then manually control the block seat 201 to move so that the grinding disc 101 is pressed against the plastic for grinding, and the grinding disc 101 and the grinding disc seat 103 can rotate counterclockwise through the axis of the side shaft 106, and then the two arc-shaped elastic rods 204 are compressed and bent, and then the two arc-shaped elastic rods 204 can help the grinding disc 101 return to its original position, so that the grinding disc 101 can rotate elastically during grinding, thereby preventing the grinding disc 101 from grinding too hard on the plastic.

[0037] like Figure 6-7 As shown, this example can achieve the effect of controlling the grinding disc 101 to press against the plastic by hand-gripping the handle 207 .

[0038] Since the plastic molding and grinding device also includes a handle 207, the handle 207 is connected to the right side of the block seat 201 by screws, and the right end of the handle 207 is a curved arc shape, which is convenient for holding. By holding the handle 207, it is convenient to control the movement of the block seat 201, and then control the grinding disc 101 to press against the plastic.

[0039] like Figure 6-7 As shown, this example can achieve the effect of controlling the force with which the grinding disc 101 is pressed against the plastic during grinding.

[0040] Since the plastic molding and grinding device also includes an inner groove 206, a horizontal axis 301, a retaining ring 302, a nut 303, a vertical rod 304, a right-angle seat 305, a connecting frame 401, a vertical bar 402, a slider 501 and a vertical groove 502, the front and rear ends of the connecting frame 401 are welded with vertical bars 402, and two sliders 501 are respectively vertically slidably connected to the two vertical bars 402, each slider 501 is threadedly connected with a fastening screw, and the fastening screw is pressed on the vertical bar 402 to fix the slider 501, and each slider 501 is provided with a vertical groove 502; the block seat 201 The right end of the block 201 is provided with an inner groove 206, a right angle seat 305 is connected to the block seat 201 by screws, the right angle seat 305 is arranged above the inner groove 206, the middle part of the horizontal axis 301 is inserted into the inner groove 206, a vertical rod 304 is welded to the middle part of the horizontal axis 301, the vertical rod 304 is inserted into the right angle seat 305 with a vertical clearance, a tension spring is welded to the upper part of the right angle seat 305, the upper part of the tension spring is welded to the upper part of the vertical rod 304, both ends of the horizontal axis 301 are welded with retaining rings 302, the two ends of the horizontal axis 301 are respectively inserted into the two vertical grooves 502, and the two retaining rings 302 The two sliders 501 are respectively fitted with the inner sides of the two sliders 501, and the two ends of the horizontal axis 301 are connected with nuts 303 through threads, and then the two vertical bars 402 are pressed against the plastic to facilitate the support of the block seat 201 and the grinding disc 101, so that the grinding disc 101 is stable during grinding to avoid poor grinding caused by hand shaking. The two sliders 501 can slide on the two vertical bars 402 respectively to adjust the height of the horizontal axis 301, the block seat 201 and the grinding disc 101, and the front and rear ends of the horizontal axis 301 can slide on the two vertical grooves 502 to fine-tune the height of the horizontal axis 301 , and the horizontal axis 301 can rotate on the two vertical grooves 502 with its own axis as the axis, thereby controlling the block seat 201 and the grinding disc 101 to rotate with the axis of the horizontal axis 301 as the axis, thereby controlling the inclination of the grinding disc 101, and using grinding discs 101 with different inclinations to grind plastic. When the handle 207 is manually pressed downward, the block seat 201 slides downward on the vertical rod 304 through the right-angle seat 305 to stretch the tension spring, thereby facilitating the perception of the grinding force through this tension spring, and controlling the force with which the grinding disc 101 presses against the plastic during grinding.

[0041] like Figure 8-9 As shown, this example can achieve the effect of controlling the grinding disc 101 to move and grind under the condition of being supported.

[0042] Since the plastic molding and grinding device also includes a rotating wheel 405, a rotating wheel 405 is provided at the lower end of each vertical bar 402, and the rotating wheel 405 facilitates the two vertical bars 402 to roll through the rotating wheel 405 when they are supported on the plastic, thereby controlling the grinding disc 101 to move and grind under the supported condition.

[0043] like Figure 10-11As shown, this example can achieve the effect of controlling the grinding disc 101 to move forward and backward or left and right for grinding.

[0044] Since the plastic molding and polishing device also includes a disc 403, a round shaft 404, a wheel seat 406, a bottom film 407 and a square edge 408, the bottom film 407 is welded to the lower end of each vertical bar 402, the round shaft 404 is inserted into the bottom film 407 with a clearance fit, the disc 403 is welded to the upper end of the round shaft 404, the wheel seat 406 is welded to the lower end of the round shaft 404, the rotating wheel 405 is rotatably connected to the wheel seat 406, the round shaft 404 is sleeved with a compression spring, the compression spring is located between the disc 403 and the bottom film 407, the bottom film 407 is provided with a square edge 408, and the upper part of the wheel seat 406 can be inserted into the square edge 408. The compression spring applies an upward force to the disc 403, the circular shaft 404, the rotating wheel 405 and the wheel seat 406, so that the wheel seat 406 is inserted into the square edge 408 and fixed. When the wheel seat 406 is manually pulled downward, the wheel seat 406 can be separated from the square edge 408, and then the wheel seat 406 and the rotating wheel 405 are controlled to rotate about the axis of the circular shaft 404, thereby adjusting the rotating wheel 405 to different directions, so that after adjusting the rotating wheel 405 to different directions, the two vertical bars 402 can be moved forward and backward or left and right through the two rotating wheels 405, thereby controlling the grinding wheel 101 to move forward and backward or left and right for grinding.

Claims

1. A plastic molding grinding device, comprising a grinding disc (101), a fixing screw (102) and a grinding disc seat (103), characterized in that: The grinding disc (101) is inserted into the lower side of the grinding disc seat (103), and the outer periphery of the grinding disc seat (103) is connected with a plurality of fixing screws (102) through threads, and the plurality of fixing screws (102) are all pressed on the grinding disc (101), and the lower side of the grinding disc (101) is a convex arc surface.

2. A plastic molding polishing device according to claim 1, characterized in that: It also includes a central axis (104), the lower end of which is fixedly connected to the upper center of the grinding disc seat (103).

3. A plastic molding polishing device according to claim 2, characterized in that: It also includes a motor (108) and a round seat (109), wherein the upper side of the round seat (109) is fixedly connected with the motor (108), the output shaft of the motor (108) is connected to the upper part of the middle shaft (104), and the middle shaft (104) and the round seat (109) are clearance-matched.

4. A plastic molding polishing device according to claim 2, characterized in that: It also includes a side shaft (106), a block seat (201) and a circular hole (202). The block seat (201) is provided with a circular hole (202). The front and rear sides of the circular seat (109) are both fixedly connected with the side shaft (106). The two side shafts (106) are both rotatably connected to the block seat (201).

5. A plastic molding polishing device according to claim 4, characterized in that: It also includes a limiting ring (105) and a rotating rod (107). The limiting ring (105) is fixedly connected to the two side shafts (106). The two limiting rings (105) are respectively fitted with the front and rear sides of the block seat (201). The right ends of the two rotating rods (107) are respectively fixedly connected to the two ends of the side shaft (106).

6. A plastic molding polishing device according to claim 5, characterized in that: The block seat (201) further comprises a right-angle frame (203), an arc-shaped elastic rod (204) and a blocking rod (205). The blocking rods (205) are fixedly connected to the front and rear sides of the block seat (201). The two blocking rods (205) are respectively cushioned on the lower sides of the two rotating rods (107). The right-angle frame (203) is fixedly connected to the front and rear sides of the block seat (201). The arc-shaped elastic rods (204) are fixedly connected to the two right-angle frames (203). The lower ends of the two arc-shaped elastic rods (204) are respectively fixedly connected to the two rotating rods (107).

7. A plastic molding polishing device according to claim 6, characterized in that: The block also comprises a handle (207), which is fixedly connected to the right side of the block seat (201), and the right end of the handle (207) is in a curved arc shape.

8. A plastic molding polishing device according to claim 7, characterized in that: The block block (201) further comprises an inner groove (206), a transverse axis (301), a retaining ring (302), a nut (303), a vertical rod (304), a right-angle seat (305), a connecting frame (401), a vertical bar (402), a sliding block (501) and a vertical groove (502). The front and rear ends of the connecting frame (401) are fixedly connected with the vertical bar (402). The two sliding blocks (501) are respectively vertically slidably connected to the two vertical bars (402). Each sliding block (501) is threadedly connected with a fastening screw, which is pressed on the vertical bar (402) to fix the sliding block (501). Each sliding block (501) is provided with a vertical groove (502). The right part of the block seat (201) is provided with an inner groove (206). The right-angle seat (305) is fixedly connected with the vertical bar (402). On the block seat (201), the right-angle seat (305) is located above the inner groove (206), the middle part of the horizontal axis (301) is inserted into the inner groove (206), the middle part of the horizontal axis (301) is fixedly connected with a vertical rod (304), the vertical rod (304) is vertically slidably connected to the right-angle seat (305), the upper part of the right-angle seat (305) is fixedly connected with a tension spring, the upper part of the tension spring is fixedly connected to the upper part of the vertical rod (304), both ends of the horizontal axis (301) are fixedly connected with retaining rings (302), the two ends of the horizontal axis (301) are respectively inserted into the two vertical grooves (502), the two retaining rings (302) are respectively fitted with the inner sides of the two sliders (501), and both ends of the horizontal axis (301) are threadedly connected with nuts (303).

9. A plastic molding polishing device according to claim 8, characterized in that: It also includes a rotating wheel (405), and the lower end of each vertical bar (402) is provided with a rotating wheel (405).

10. A plastic molding polishing device according to claim 9, characterized in that: The invention also comprises a circular plate (403), a circular shaft (404), a wheel seat (406), a bottom plate (407) and a square edge (408). The bottom end of each vertical bar (402) is fixedly connected to the bottom plate (407). The circular shaft (404) is inserted into the bottom plate (407) with clearance fit. The upper end of the circular shaft (404) is fixedly connected to the circular plate (403). The lower end of the circular shaft (404) is fixedly connected to the wheel seat (406). The rotating wheel (405) is rotatably connected to the wheel seat (406). A compression spring is sleeved on the circular shaft (404). The compression spring is located between the circular plate (403) and the bottom plate (407). A square edge (408) is arranged on the lower side of the bottom plate (407). The upper part of the wheel seat (406) can be inserted into the square edge (408).

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