Refrigerator injection molding part burr polishing device

Abstract

The utility model relates to the field of polishing devices, and discloses a refrigerator injection molding part burr polishing device which comprises a rack, a conveying belt is rotationally connected to the rack, a polishing station is arranged in the middle of the conveying belt, the polishing station comprises a supporting plate arranged between the conveying belt, the supporting plate is fixedly installed on the rack, and the supporting plate is fixedly installed on the rack. A grinding mechanism is arranged on one side of the grinding station, and fixing mechanisms used for clamping injection molding parts are arranged on the two sides of the grinding station. The automatic feeding and discharging device has the following advantages and effects that automatic feeding and discharging are convenient, fixed injection molding parts can be polished, and sweeps can be cleaned after polishing.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a grinding device for burrs of refrigerator injection molded parts. Background Art

[0002] In the refrigerator production process, injection molded parts are one of the important components of the refrigerator. However, injection molded parts often produce burrs, which need to be polished to improve the surface quality and precision of the injection molded parts. However, the existing refrigerator injection molded parts burr polishing device has some problems, such as:

[0003] 1. The burr grinding device lacks a clamping and fixing structure during use, so the product is prone to fall off during the grinding process, affecting the grinding effect;

[0004] 2. The burr grinding device cannot automatically load and unload materials. A robot is required to place the injection molded parts to be polished on the polishing station, which is troublesome to operate and affects production efficiency.

[0005] 3. Waste chips are easily generated during the grinding process and are difficult to clean.

[0006] Therefore, it is necessary to make improvements on the above problems. Utility Model Content

[0007] The utility model aims to provide a device for grinding the burrs of refrigerator injection molded parts, which has the effects of convenient automatic feeding and discharging of materials, being able to grind the fixed injection molded parts, and cleaning the waste chips after grinding.

[0008] The above technical purpose of the utility model is achieved through the following technical scheme: a refrigerator injection molded part burr grinding device, including a frame, a conveyor belt is rotatably connected to the frame, a grinding station is provided in the middle of the conveyor belt, the grinding station includes a support plate arranged between the conveyor belts, the support plate is fixedly installed on the frame, a grinding mechanism is provided on one side of the grinding station, and fixing mechanisms for clamping the injection molded parts are provided on both sides of the grinding station.

[0009] By adopting the above technical scheme, after the refrigerator injection molded parts are injected by the injection molding machine, they are transported to the polishing station via the conveyor belt. The fixing mechanisms on both sides of the polishing station fix the injection molded parts. After fixation, the polishing mechanism polishes the surface of the injection molded parts. After polishing, the fixing mechanism is released, and the conveyor belt transports the injection molded parts out, completing the polishing of the injection molded parts.

[0010] The utility model is further configured as follows: the fixing mechanism includes a mounting plate arranged on one side of the frame, two gears are rotatably connected to the mounting plate, the two gears are parallel to the conveying direction of the conveyor belt, clamping rods are fixedly installed on the two gears, and a driving mechanism for driving the two clamping rods to move closer to or away from each other is provided on the frame.

[0011] By adopting the above technical solution, the fixing mechanism is arranged on both sides of the conveyor belt, and the driving mechanism drives the two gears to rotate inward so that the clamping rods are close to each other, so that the four corners of the injection molded part can be fixed; the driving mechanism drives the two gears to rotate outward so that the clamping rods are away from each other, so that the injection molded part can be loosened, and the operation is simple and convenient.

[0012] The utility model is further configured as follows: the driving mechanism includes a fixing frame arranged below the mounting plate, a mounting frame is slidably connected to the fixing frame, parallel racks are arranged on the inner side of the mounting frame, the mounting direction of the racks is perpendicular to the conveying direction of the conveyor belt, and the racks are meshed with the gears.

[0013] By adopting the above technical solution, when the mounting frame slides toward one side of the conveyor belt, the rack inside the mounting frame drives the two gears to rotate inward, so that the clamping rod clamps the injection molded part. At the same time, the edge of the mounting frame close to the conveyor belt side moves inward to fix one side of the injection molded part. Through the dual fixation of the mounting frame and the clamping rod, the injection molded part is fixed on the polishing station, which is convenient for polishing.

[0014] The utility model is further configured as follows: a motor is fixedly mounted on one end of the fixing frame, a bidirectional lead screw is fixedly mounted on the output shaft of the motor, and both sides of the bidirectional lead screw are threadedly connected to the mounting frame.

[0015] By adopting the above technical solution, the motor drives the bidirectional lead screw to rotate, so that the installation frames arranged on both sides of the conveyor belt are moved closer to or farther away from each other, thereby realizing synchronous clamping or loosening of the two fixing mechanisms.

[0016] The utility model is further configured as follows: a brush is provided on the lower side of the clamping rod.

[0017] By adopting the above technical solution, a brush is provided on the side of the clamping rod close to the conveyor belt, and waste chips on the surface of the conveyor belt can be cleaned during the rotation of the clamping rod.

[0018] The utility model is further configured as follows: an anti-collision strip is provided on one side of the clamping rods close to each other.

[0019] By adopting the above technical solution, the anti-collision strip is made of foam or rubber, which avoids damage to the injection molded parts during the clamping process.

[0020] The utility model is further configured as follows: recovery boxes are provided at the discharge end of the conveyor belt and at both sides of the grinding station.

[0021] By adopting the above technical solution, the waste chips during grinding fall onto the conveyor belt, and are transported by the conveyor belt and fall from the discharge end to the recycling box. During the rotation of the clamping rod, the brush sweeps the waste chips on the surface of the conveyor belt to both sides of the conveyor belt, and the recycling boxes set on both sides of the conveyor belt recycle the waste chips.

[0022] The beneficial effects of the utility model are:

[0023] 1. After the refrigerator injection molding is completed by the injection molding machine, it is transported to the polishing station via the conveyor belt. The fixing mechanisms on both sides of the polishing station fix the injection molding parts. After fixation, the polishing mechanism polishes the surface of the injection molding parts. After polishing, the fixing mechanism is released, and the conveyor belt transports the injection molding parts out to complete the polishing of the injection molding parts.

[0024] 2. When the installation frame slides toward the conveyor belt, the rack inside the installation frame drives the two gears to rotate inward, so that the clamping rod clamps the injection molded part. At the same time, the side of the installation frame close to the conveyor belt moves inward to fix one side of the injection molded part. Through the dual fixation of the installation frame and the clamping rod, the injection molded part is fixed on the grinding station, which is convenient for grinding.

[0025] 3. The waste chips during grinding fall onto the conveyor belt, and after being transported by the conveyor belt, they fall from the discharge end to the recycling box. During the rotation of the clamping rod, the brush sweeps the waste chips on the surface of the conveyor belt to both sides of the conveyor belt. The recycling boxes set on both sides of the conveyor belt recycle the waste chips. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a schematic diagram of the structure of the utility model.

[0028] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0029] Figure 3 It is an enlarged structural schematic diagram of point A of the utility model.

[0030] In the figure, 1. frame; 2. conveyor belt; 3. grinding station; 4. support plate; 5. grinding mechanism; 6. fixing mechanism; 61. mounting plate; 62. gear; 63. clamping rod; 7. driving mechanism; 71. fixing frame; 72. mounting frame; 73. rack; 74. motor; 75. bidirectional screw; 8. brush; 9. anti-collision strip; 10. recycling box. DETAILED DESCRIPTION

[0031] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] like Figure 1-3 As shown, a device for grinding burrs of refrigerator injection molded parts comprises a frame 1, a conveyor belt 2 is rotatably connected to the frame 1, a recycling box 10 is provided at the discharge end of the conveyor belt 2, a grinding station 3 is provided in the middle of the conveyor belt 2, recycling boxes 10 are provided on both sides of the grinding station 3, the grinding station 3 comprises a support plate 4 arranged between the conveyor belts 2, the support plate 4 is attached to the lower surface of the upper conveyor belt 2, the support plate 4 is fixedly mounted on the frame 1, a grinding mechanism 5 is provided on one side of the grinding station 3, the grinding mechanism 5 can lift and grind the injection molded parts, and fixing mechanisms 6 for clamping the injection molded parts are provided on both sides of the grinding station 3.

[0033] The fixing mechanism 6 includes a mounting plate 61 arranged on one side of the frame 1, and two gears 62 are rotatably connected to the mounting plate 61. The two gears 62 are parallel to the conveying direction of the conveyor belt 2. A clamping rod 63 is fixedly installed on the two gears 62. A brush 8 is provided on the lower side of the clamping rod 63. An anti-collision strip 9 is provided on the side where the clamping rods 63 are close to each other. The anti-collision strip 9 is made of foam or rubber to avoid damage to the injection molded parts during the clamping process. A driving mechanism 7 for driving the two clamping rods 63 to move closer to or away from each other is provided on the frame 1.

[0034] The driving mechanism 7 includes a fixed frame 71 arranged below the mounting plate 61, and a motor 74 is fixedly mounted on one end of the fixed frame 71, and a bidirectional lead screw 75 is fixedly mounted on the output shaft of the motor 74, and mounting frames 72 are threadedly connected on both sides of the bidirectional lead screw 75, and the mounting frame 72 is slidably connected to the fixed frame 71, and a parallel rack 73 is arranged on the inner side of the mounting frame 72, and the mounting direction of the rack 73 is perpendicular to the conveying direction of the conveyor belt 2, and the rack 73 is meshed with the gear 62.

[0035] Working principle of this utility model:

[0036] In the initial state, the motor 74 drives the bidirectional lead screw 75 to rotate, so that the installation frame 72 arranged on both sides of the conveyor belt 2 moves away from the conveyor belt 2, and the rack 73 inside the installation frame 72 drives the two gears 62 to rotate outward, so that the two clamping rods 63 are away from each other and are located on the outside of the conveyor belt 2. After the square or round refrigerator injection molding parts are completed by the injection molding machine, they are transported to the polishing station 3 via the conveyor belt, and the conveyor belt 2 stops moving. The motor 74 drives the bidirectional lead screw 75 to rotate, so that the installation frame 72 arranged on both sides of the conveyor belt 2 moves toward one side of the conveyor belt 2, and the installation The rack 73 inside the frame 72 drives the two gears 62 to rotate inward. During the movement of the mounting frame 72 toward the side close to the conveyor belt 2, the mounting frame 72 fixes one side of the injection molded part. At the same time, the two clamping rods 63 approach each other to clamp the injection molded part, and the polishing mechanism 5 polishes the surface of the injection molded part. After polishing, the motor 74 drives the bidirectional screw 75 to rotate to move the mounting frame 72 away from the conveyor belt 2. The mounting frame 72 releases the polished injection molded part, and at the same time the clamping rod 63 is loosened, the conveyor belt 2 transports the injection molded part out, and the polishing of the injection molded part is completed.

Claims

1. A device for grinding burrs of refrigerator injection molded parts, comprising a frame (1), characterized in that: The frame (1) is rotatably connected to a conveyor belt (2), a grinding station (3) is provided in the middle of the conveyor belt (2), the grinding station (3) comprises a support plate (4) arranged between the conveyor belts (2), the support plate (4) is fixedly mounted on the frame (1), a grinding mechanism (5) is provided on one side of the grinding station (3), and fixing mechanisms (6) for clamping injection molded parts are provided on both sides of the grinding station (3); The fixing mechanism (6) comprises a mounting plate (61) arranged on one side of the frame (1); two gears (62) are rotatably connected to the mounting plate (61); the two gears (62) are parallel to the conveying direction of the conveyor belt (2); a clamping rod (63) is fixedly mounted on the two gears (62); a driving mechanism (7) for driving the two clamping rods (63) to move closer to or away from each other is provided on the frame (1); and a brush (8) is provided on the lower side of the clamping rod (63); The driving mechanism (7) comprises a fixing frame (71) arranged below the mounting plate (61), a mounting frame (72) being slidably connected to the fixing frame (71), a parallel rack (73) being arranged inside the mounting frame (72), the mounting direction of the rack (73) being perpendicular to the conveying direction of the conveyor belt (2), and the rack (73) being meshed with the gear (62).

2. The device for grinding burrs of refrigerator injection molded parts according to claim 1, characterized in that: A motor (74) is fixedly mounted on one end of the fixing frame (71), a bidirectional lead screw (75) is fixedly mounted on the output shaft of the motor (74), and both sides of the bidirectional lead screw (75) are threadedly connected to the mounting frame (72).

3. The device for grinding burrs of refrigerator injection molded parts according to claim 1, characterized in that: An anti-collision strip (9) is provided on one side of the clamping rods (63) close to each other.

4. The device for grinding burrs of refrigerator injection molded parts according to claim 1, characterized in that: Recovery boxes (10) are provided at the discharge end of the conveyor belt (2) and on both sides of the polishing station (3).

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