Deburring device for producing plastic shells of electric appliances

Abstract

The utility model relates to the technical field of electric appliance plastic shell production, in particular to a deburring device for producing an electric appliance plastic shell. Comprising a support, a dull polish belt is rotatably arranged in the support, two guide assemblies which are symmetrical front and back are arranged on the support above the dull polish belt, the guide assemblies are slidably connected with the support, the distance between the two guide assemblies is adjustable, a driving strip is arranged between the two guide assemblies, a rotating wheel is fixed to the driving strip, and the rotating wheel is rotatably connected with the support. An arc-shaped protruding block is fixed to the rotating wheel, a microswitch is fixed to the support, and an extrusion assembly is arranged on the portion, on the rotating side, of the support. According to the device, in the process that the electric appliance plastic shell is conveyed through the grinding belt, the electric appliance plastic shell is positioned, so that relative sliding of the electric appliance plastic shell and the grinding belt is achieved, automatic deburring operation on the electric appliance plastic shell is achieved, and the deburring efficiency of the electric appliance plastic shell is high.

Description

Technical Field

[0001] This utility model relates to the field of electrical appliance plastic shell production technology, specifically to a deburring device for producing electrical appliance plastic shells. Background Technology

[0002] During the production of electrical appliance plastic shells, burrs are prone to appear at the opening edges of the shells. The causes of burrs include the following: excessive plastic flowability, excessive molten material injected, foreign objects on the mold surface, mold deflection, insufficient clamping force, and poor local fit of the mold.

[0003] After the electrical appliance plastic casing is manufactured, the burrs on the opening edges of the casing need to be polished.

[0004] Patent application CN202022058559.3 discloses a deburring device for plastic shells. In use, the plastic shell is placed in a material trough. The left and right mounting frames can move relative to each other along a transverse slide rail, clamping the plastic shell with a clamping device. Then, a motor drives a brush disc and a steel brush to rotate, grinding and deburring the plastic shell. Cylinders on both sides push the left and right mounting frames to move relative to each other, pressing the plastic shell firmly with a pressure plate. This pressure provides good protection and prevents damage to the plastic parts. Furthermore, after grinding, a telescopic motor pushes the material plate downwards, causing the plastic shell to fall from the discharge trough for easy collection.

[0005] This device is only suitable for removing burrs generated on the outside of the plastic casing of electrical appliances. The position of the brush disc and the steel brush cannot change in the vertical and front-back directions relative to the position of the plastic casing of the electrical appliances. This device is highly specialized and has a limited range of applications.

[0006] Patent application CN202220229134.0 discloses a deburring device for plastic shells. When using this device, the plastic shell is placed on the worktable. Then, two sets of electric push rods are activated, which drive two sets of clamping plates closer together, fixing the plastic shell to both sides. Next, two drive motors are activated, which in turn drive two sets of driven gears, which in turn drive two sets of driven gears, which in turn drive two sets of threaded rods. These threaded rods move the lifting rods upward, which in turn move two sets of support rods upward. These support rods then move the two electric push rods upward, which in turn move the clamping plates upward, thus moving the plastic shell upward. When the plastic shell contacts the abrasive belt, the two drive motors are turned off, and the rotating motor is activated. The rotating motor drives the shaft to rotate, which in turn drives the roller to rotate. The roller then drives the abrasive belt to rotate, which in turn rubs and removes burrs from the surface of the plastic shell. However, when deburring the plastic shell of electrical appliances, it is necessary to manually place the plastic shell on the worktable, and also to stabilize and adjust the position of the plastic shell. This device is inefficient in deburring the plastic shell of electrical appliances, and the device has a complex structure and high investment cost. Utility Model Content

[0007] The technical problem to be solved by this utility model is a deburring device for producing plastic casings of electrical appliances that can improve the efficiency of deburring plastic casings and has low investment cost.

[0008] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0009] A deburring device for producing plastic casings for electrical appliances includes a support frame. An abrasive belt is rotatably mounted inside the support frame. Two symmetrical guide components are mounted on the support frame above the abrasive belt. The guide components are slidably connected to the support frame, and the distance between the two guide components is adjustable. A drive bar is positioned between the two guide components, and a rotating wheel is fixed to the drive bar. The rotating wheel is rotatably connected to the support frame, and an arc-shaped protrusion is fixed to the rotating wheel. A micro switch is fixed to the support frame. During the conveying of the electrical plastic casing by the abrasive belt, the rotating wheel rotates after contacting the drive bar. The rotation of the rotating wheel and the protrusion triggers the micro switch. A pressing component is mounted on one side of the support frame. When the micro switch is triggered, the pressing component presses the electrical plastic casing downwards, causing the electrical plastic casing to slide relative to the abrasive belt.

[0010] Specifically, the bracket includes two symmetrical side plates, with two rotating rollers rotatably arranged between the two side plates. Either roller is driven by a motor fixed on the side plate. The motor is electrically connected to the controller, and the two rollers are connected by a frosted belt drive.

[0011] Specifically, the guide assembly includes a fixed plate fixed to the side plate, a plurality of light rods slidably disposed on the fixed plate, the axial direction of the light rods being perpendicular to the conveying direction of the abrasive belt, bolts threadedly connected to the fixed plate, the axial direction of the bolts being parallel to the axial direction of the light rods, the plurality of light rods being fixedly connected to a straight plate, the bolts being rotatably connected to the straight plate, the length direction of the straight plate being parallel to the conveying direction of the abrasive belt, an inclined plate being fixed to the end of the straight plate away from the conveying direction of the abrasive belt, the end of the inclined plate away from the straight plate being inclined toward the side plate on one side, and both the straight plate and the inclined plate being located above the abrasive belt.

[0012] Specifically, a connecting plate is provided above the abrasive belt, and the connecting plate is fixedly connected to the fixing plate. A groove is provided on the connecting plate, and a rotating wheel is rotatably disposed in the groove. A protrusion is fixed on the outer edge of the rotating wheel, and a micro switch is fixed in the groove and corresponds to the protrusion. The micro switch is electrically connected to the controller.

[0013] Specifically, a vertical telescopic rod is fixed to the lower end of the connecting plate, and a pressure plate is fixed to the lower end of the telescopic rod. The telescopic rod is electrically connected to the controller.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This device, during the conveying of electrical appliance plastic shells using a sanding belt, positions the electrical appliance plastic shells to achieve relative sliding between them and the sanding belt, thereby realizing automatic deburring of the electrical appliance plastic shells with high efficiency.

[0016] 2. After the relative sliding between the electrical appliance plastic shell and the abrasive belt, the controller increases the motor speed, which in turn increases the rotation speed of the abrasive belt. This improves the efficiency of the abrasive belt in deburring the electrical appliance plastic shell, reduces the time the electrical appliance plastic shell stops moving, and ensures the transfer efficiency of the electrical appliance plastic shell. Attached Figure Description

[0017] Figure 1 This is a top view of the device.

[0018] Figure 2 for Figure 1 Sectional view along the AA direction.

[0019] Figure 3 This is the right view of the device.

[0020] Figure 4 This is a front view of the device.

[0021] Figure 5 This is the left view of the device.

[0022] The names of the components in the attached diagram are:

[0023] 1. Side panel

[0024] 2 rollers

[0025] 3. Frosted belt

[0026] 4. Fixing plate

[0027] 5 Connecting plate

[0028] 6 bare rods

[0029] 7. Flat board

[0030] 8 Inclined plate

[0031] 9 bolts

[0032] 10 rotating wheels

[0033] 11 Drive Bar

[0034] 12 pressure plates

[0035] 13 Telescopic poles

[0036] 14 Micro switch 15 Protrusion. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0038] Example 1: Refer to Figures 1-5 As shown, a deburring device for producing plastic housings for electrical appliances includes a bracket, and an abrasive belt 3 is rotatably mounted inside the bracket.

[0039] The bracket includes two symmetrical side plates 1, with two rotating rollers 2 rotatably mounted between the two side plates 1. Either roller 2 is driven by a motor fixed to the side plate 1, and the two rollers 2 are connected by a frosting belt 3. After the motor is started, the two rollers 2 rotate, and the frosting belt 3 rotates during the rotation of the two rollers 2.

[0040] Two symmetrical guide components are installed on the bracket above the abrasive belt 3. The guide components are slidably connected to the bracket, and the distance between the two guide components is adjustable.

[0041] The guide assembly includes a fixed plate 4 fixed to a side plate 1. Multiple light rods 6 are slidably arranged on the fixed plate 4. The axial direction of the light rods 6 is perpendicular to the conveying direction of the abrasive belt 3. Bolts 9 are threadedly connected to the fixed plate 4. The axial direction of the bolts 9 is parallel to the axial direction of the light rods 6. The multiple light rods 6 are fixedly connected to a straight plate 7. The bolts 9 are rotatably connected to the straight plate 7. The length direction of the straight plate 7 is parallel to the conveying direction of the abrasive belt 3. An inclined plate 8 is fixed to one end of the straight plate 7 away from the conveying direction of the abrasive belt 3. The end of the inclined plate 8 away from the straight plate 7 is inclined towards the side plate 1 on one side. Both the straight plate 7 and the inclined plate 8 are located above the abrasive belt 3.

[0042] When the electrical appliance housing is conveyed on the frosted belt 3, it enters between the two flat plates 7, where the two flat plates 7 limit the movement of the electrical appliance housing. By setting the inclined plate 8, the inclined plate 8 can guide the electrical appliance housing on the frosted belt 3, making it easier for the electrical appliance housing to enter between the two flat plates 7.

[0043] Rotating bolt 9 can adjust the distance between the two straight plates 7 and the two inclined plates 8, so that the two straight plates 7 can be used to limit the movement of electrical plastic shells of different specifications.

[0044] A drive bar 11 is provided between the two guide components, and a rotating wheel 10 is fixed on the drive bar 11. The rotating wheel 10 is rotatably connected to the bracket. An arc-shaped protrusion 15 is fixed on the rotating wheel 10. A micro switch 14 is fixed on the bracket. During the process of the electrical plastic shell being conveyed by the abrasive belt 3, after the electrical plastic shell comes into contact with the drive bar 11, the rotating wheel 10 rotates. After the rotating wheel 10 and the protrusion 15 rotate, the protrusion 15 touches the micro switch 14. A pressing component is provided on the bracket on the rotating side. After the micro switch 14 is touched, the pressing component presses the electrical plastic shell downward, causing the electrical plastic shell to slide relative to the abrasive belt 3.

[0045] Specifically, a connecting plate 5 is provided above the abrasive belt 3. The connecting plate 5 is fixedly connected to the fixing plate 4. A groove is provided on the connecting plate 5. The rotating wheel 10 is rotatably disposed in the groove. The protrusion 15 is fixed on the outer edge of the rotating wheel 10. The micro switch 14 is fixed in the groove and corresponds to the protrusion 15. The micro switch 14 is electrically connected to the controller.

[0046] A vertical telescopic rod 13 is fixed to the lower end of the connecting plate 5, and a pressure plate 12 is fixed to the lower end of the telescopic rod 13. A rubber pad is fixed to the lower end of the pressure plate 12. The telescopic rod 13 is electrically connected to the controller.

[0047] Reference Figure 2 As shown, the opening of the electrical appliance's plastic casing is facing downwards and the electrical appliance's plastic casing is placed on the frosted belt 3. The electrical appliance's plastic casing is conveyed to the left at the upper end of the frosted belt 3. Under the guidance of the two inclined plates 8, the electrical appliance's plastic casing enters between the two flat plates 7. The two flat plates 7 can limit the movement of the electrical appliance's plastic casing.

[0048] When the appliance's plastic housing contacts the drive bar 11, as the plastic housing continues to move to the left, it causes the rotating wheel 10 to rotate via the drive bar 11. After the rotating wheel 10 rotates, the protrusion 15 triggers the micro switch 14, which sends a signal to the controller. The controller then activates the telescopic rod 13. As the telescopic rod 13 extends, the pressure plate 12 descends and presses down on the appliance's plastic housing. After being pressed by the pressure plate 12, the appliance's plastic housing slides relative to the abrasive belt 3. At this time, the abrasive belt 3 removes burrs from the opening of the appliance's plastic housing.

[0049] After the controller starts the telescopic rod 13, the telescopic rod 13 retracts and returns to its original position after a set time. After the telescopic rod 13 retracts and returns to its original position, the pressure plate 12 moves upward and loses its squeezing effect on the electrical appliance housing. The electrical appliance housing is then conveyed to the left by the abrasive belt 3. When the electrical appliance housing separates from the drive bar 11, the wheel 10 returns to its original position under the gravity of the drive bar 11.

[0050] This device positions the electrical appliance shell during the conveying process of the abrasive belt 3, thereby achieving relative sliding between the electrical appliance shell and the abrasive belt 3, and realizes automatic deburring of the electrical appliance shell, resulting in high deburring efficiency.

[0051] Example 2: Based on Example 1, referring to... Figures 1-5 As shown, the motor is a servo motor, and the motor is electrically connected to the controller.

[0052] After the electrical appliance plastic shell slides relative to the abrasive belt 3, the controller increases the motor speed, which in turn increases the rotation speed of the abrasive belt 3. This improves the deburring efficiency of the abrasive belt 3 on the electrical appliance plastic shell, reduces the stopping time of the electrical appliance plastic shell, and ensures the transfer efficiency of the electrical appliance plastic shell.

[0053] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A deburring device for producing plastic casings for electrical appliances, comprising a support frame, wherein an abrasive belt (3) is rotatably disposed within the support frame, characterized in that, Two symmetrical guide components are provided on the bracket above the abrasive belt (3). The guide components are slidably connected to the bracket. The distance between the two guide components is adjustable. A drive bar (11) is provided between the two guide components. A rotating wheel (10) is fixed on the drive bar (11). The rotating wheel (10) is rotatably connected to the bracket. An arc-shaped protrusion (15) is fixed on the rotating wheel (10). A micro switch (14) is fixed on the bracket. When the electrical plastic shell is conveyed by the abrasive belt (3), the rotating wheel (10) rotates after the electrical plastic shell comes into contact with the drive bar (11). After the rotating wheel (10) and the protrusion (15) rotate, the protrusion (15) touches the micro switch (14). A pressing component is provided on the bracket on the rotating side. After the micro switch (14) is touched, the pressing component presses the electrical plastic shell downward, so that the electrical plastic shell slides relative to the abrasive belt (3).

2. The deburring device for producing plastic casings of electrical appliances according to claim 1, characterized in that, The bracket includes two symmetrical side plates (1) with two rotating rollers (2) rotatably arranged between the two side plates (1). Any one of the rotating rollers (2) is driven by a motor fixed on the side plate (1). The motor is electrically connected to the controller. The two rotating rollers (2) are connected by a frosted belt (3).

3. The deburring device for producing plastic casings of electrical appliances according to claim 1, characterized in that, The guide assembly includes a fixed plate (4) fixed on a side plate (1). Multiple light rods (6) are slidably arranged on the fixed plate (4). The axial direction of the light rods (6) is perpendicular to the conveying direction of the abrasive belt (3). Bolts (9) are threadedly connected to the fixed plate (4). The axial direction of the bolts (9) is parallel to the axial direction of the light rods (6). Multiple light rods (6) are fixedly connected to a straight plate (7). Bolts (9) are rotatably connected to the straight plate (7). The length direction of the straight plate (7) is parallel to the conveying direction of the abrasive belt (3). An inclined plate (8) is fixed to one end of the straight plate (7) away from the conveying direction of the abrasive belt (3). The end of the inclined plate (8) away from the straight plate (7) is inclined toward the side plate (1) on one side. Both the straight plate (7) and the inclined plate (8) are located above the abrasive belt (3).

4. The deburring device for producing plastic casings of electrical appliances according to claim 3, characterized in that, A connecting plate (5) is provided above the abrasive belt (3). The connecting plate (5) is fixedly connected to the fixing plate (4). A groove is provided on the connecting plate (5). The rotating wheel (10) is rotatably disposed in the groove. The protrusion (15) is fixed on the outer edge of the rotating wheel (10). The micro switch (14) is fixed in the groove and corresponds to the protrusion (15). The micro switch (14) is electrically connected to the controller.

5. The deburring device for producing plastic housings of electrical appliances according to claim 4, characterized in that, A vertical telescopic rod (13) is fixed to the lower end of the connecting plate (5), and a pressure plate (12) is fixed to the lower end of the telescopic rod (13). The telescopic rod (13) is electrically connected to the controller.

6. The deburring device for producing plastic casings of electrical appliances according to claim 5, characterized in that, A rubber pad is fixed to the lower end of the pressure plate (12).

7. The deburring device for producing plastic casings of electrical appliances according to claim 2, characterized in that, The motor is a servo motor.

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