A touch screen switch acrylic plate trimming device

Abstract

This utility model relates to the field of touch screen switch manufacturing, specifically disclosing an acrylic sheet trimming device for touch screen switches, including a base, an adsorption and fixing component, and a trimming component. The adsorption and fixing component uses negative pressure to adsorb and fix the acrylic sheet, and is rotatably mounted on the base. This utility model utilizes the gravity of the counterweight to make the sliding sleeve slide downwards, and pushes the transverse plate closer to the acrylic sheet through the pull rope, thereby making the mold approach the edge of the acrylic sheet and always abut against the edge of the acrylic sheet. The first motor drives the mold to rotate, and at this time the acrylic sheet rotates with the rotation of the adsorption and fixing component. The mold moves back and forth along the length of the crossbar with the edge of the acrylic sheet, thereby completing the trimming of the edge of the acrylic sheet. Since the gravity of the counterweight mechanism is transmitted to the transverse plate through the pull rope, the horizontal tension on the transverse plate remains consistent, that is, the pressure between the mold and the edge of the acrylic sheet remains consistent, avoiding pressure changes that would reduce the trimming accuracy.

Description

Technical Field

[0001] This utility model relates to the field of touch screen switch manufacturing, specifically to an acrylic sheet trimming device for touch screen switches. Background Technology

[0002] A touchscreen switch is an intelligent switching device that controls the circuit through a touch panel. It replaces traditional mechanical buttons and integrates functions such as display, interaction, and intelligent linkage. It is one of the core components of modern smart homes. There are two main types: rigid touchscreen switches and flexible touchscreen switches. The main difference between the two lies in the substrate. Rigid touchscreen switches are mostly made of acrylic sheets, which have a certain degree of rigidity. In the production process of rigid touchscreen switches, the acrylic sheets are cut into the specified shapes and then a conductive film is laminated onto them. However, after the acrylic sheets are cut, there are often debris attached to the edges. If the edges are not trimmed, the debris can easily fall off and enter the film and substrate during the lamination process, affecting the lamination effect of the touchscreen switch.

[0003] However, since rigid touch screen switches come in various shapes to meet the design requirements of home appliances, traditional trimming devices have many limitations in trimming acrylic sheets of various shapes. For example, the trimming path of the trimming device needs to be adjusted according to the shape of the cut acrylic sheet, and the positioning accuracy of the acrylic sheet is required to be high. Utility Model Content

[0004] The purpose of this utility model is to provide an acrylic sheet trimming device for touch screen switches, which overcomes the above-mentioned defects in the prior art.

[0005] An acrylic sheet trimming device for a touch screen switch according to the present invention includes:

[0006] Base;

[0007] An adsorption and fixing component is used to adsorb and fix an acrylic plate by negative pressure. The adsorption and fixing component is rotatably mounted on a base.

[0008] The trimming assembly is located on one side of the adsorption and fixing assembly and fixed to the base. The trimming assembly includes a trimming mechanism, a horizontal bar, a horizontal sliding plate, a vertical bar, and a counterweight mechanism. The trimming mechanism includes a fixed plate with a mold rotatably mounted on its lower side. A first rotating shaft is fixed inside the mold. A first motor is fixed to the upper surface of the fixed plate. The first rotating shaft is fixedly connected to the output shaft of the first motor. A horizontal sliding plate is fixed to the fixed plate. The horizontal bar is horizontally positioned and passes through the horizontal sliding plate and is slidably connected to it. The vertical bar is vertically positioned and its lower end is fixedly connected to the right end of the horizontal bar. The counterweight mechanism is slidably connected to the vertical bar. Guide wheels are rotatably connected to the left end of the horizontal bar and the upper end of the vertical bar. A pull rope is fixedly connected between the counterweight mechanism and the horizontal sliding plate. The pull rope passes around two guide wheels and abuts against the outer periphery of the two guide wheels. The weight of the counterweight mechanism causes the trimming mechanism to move closer to the edge of the acrylic plate and abut against its edge.

[0009] Preferably, a plurality of connecting rods are fixedly connected between the transverse plate and the fixed plate, and a slider is provided on the transverse plate, with the crossbar passing through the slider and slidably connected to it.

[0010] Preferably, the outer periphery of the grinding tool is provided with a groove that surrounds the grinding tool, and the bottom wall of the groove is arc-shaped.

[0011] Preferably, an adjusting plate is fixed to one end of the vertical rod and the horizontal rod, a support plate is provided on the lower side of the adjusting plate, a plurality of support rods are fixed between the support plate and the base, two symmetrically arranged bolts extending upward and penetrating the adjusting plate are fixed on the support plate, nuts are threaded onto the bolts and abut against the upper surface of the adjusting plate, and two first compression springs are fixed between the adjusting plate and the support plate, each surrounding the two bolts.

[0012] Preferably, the adjusting plate is further fixed with two guide sleeves, and the upper surface of the support plate is further fixed with two guide rods, the two guide rods passing through the two guide sleeves respectively and being slidably connected to them.

[0013] Preferably, the counterweight mechanism includes a sliding sleeve and a counterweight block, the sliding sleeve being sleeved on and slidably connected to the vertical rod, and the counterweight block being fixed on the sliding sleeve.

[0014] Preferably, the adsorption and fixing assembly includes a turntable, a support tube, and a suction cup. The suction cup is fixed to the upper end of the support tube, and a downwardly recessed adsorption cavity is formed at the upper end of the suction cup. A vent hole is formed on the bottom wall of the adsorption cavity. The support tube is hollow inside, forming a cavity. The support tube is fixed on the turntable and located at its center. The vent hole communicates with the cavity inside the support tube. A piston is slidably connected inside the support tube. An electromagnet is fixed on the bottom wall of the support tube. An iron plate is fixed on the lower end face of the piston. A second compression spring is fixed between the iron plate and the electromagnet.

[0015] Preferably, the base includes a workbench and a base plate, with multiple columns fixed between the base plate and the workbench. The upper surface of the workbench has a downwardly recessed circular groove, and the turntable is embedded in the circular groove and rotatably connected. A second motor is fixed to the lower surface of the workbench, and a second rotating shaft located at its circular position is fixed to the lower surface of the turntable. The second rotating shaft extends downward through the workbench and is fixedly connected to the output shaft of the second motor.

[0016] The beneficial effects of this utility model are as follows: This utility model utilizes the gravity of the counterweight to make the sliding sleeve slide downwards, and pushes the transverse plate closer to the acrylic plate through the pull rope, thereby making the mold approach the edge of the acrylic plate and always abut against the edge of the acrylic plate. The first motor drives the mold to rotate. At this time, the acrylic plate rotates with the rotation of the adsorption and fixing component. The mold moves back and forth along the length of the crossbar with the edge of the acrylic plate, thereby completing the trimming of the edge of the acrylic plate. Since the gravity of the counterweight mechanism is transmitted to the transverse plate through the pull rope, the horizontal tension on the transverse plate remains consistent, that is, the pressure between the mold and the edge of the acrylic plate remains consistent, avoiding the reduction of trimming accuracy caused by pressure changes. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a utility model Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 This is a utility model Figure 1 Enlarged view of point B in the middle;

[0020] Figure 4 This is a cross-sectional view of the present invention;

[0021] Figure 5 This is a utility model Figure 4 Enlarged diagram of point C in the middle.

[0022] In the picture:

[0023] 10. Base plate; 11. Column; 12. Workbench; 20. Support plate; 21. Support rod; 22. Adjusting plate; 23. Guide sleeve; 24. Guide rod; 25. First compression spring; 26. Nut; 27. Bolt; 30. Turntable; 31. Electromagnet; 32. Piston; 33. Iron plate; 34. Second compression spring; 35. Support tube; 36. Second motor; 37. Second rotating shaft; 38. Suction cup; 39. Vent hole; 40. Horizontal plate; 41. Horizontal bar; 42. Pull rope; 43. Vertical bar; 44. Sliding sleeve; 45. Counterweight; 46. Guide wheel; 50. Fixing plate; 51. Mold; 52. First rotating shaft; 53. First motor; 54. Connecting rod. Detailed Implementation

[0024] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the appendix. Figure 1 The orientations or positional relationships shown are merely simplified descriptions for the convenience of describing this utility model, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific implementations of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model. As used herein, the terms up and down and left and right are not limited to their strict geometric definitions, but include tolerances for reasonable and inconsistent machining or human errors. The specific features of the acrylic plate trimming device for a touch screen switch are described in detail below:

[0026] One embodiment of this utility model:

[0027] Reference Figures 1-5 This utility model provides an acrylic sheet trimming device for touch screen switches, comprising:

[0028] Base;

[0029] An adsorption and fixing component is located on one side of the adsorption and fixing component and fixed on the base. It fixes the acrylic plate by adsorption and fixing under negative pressure. The adsorption and fixing component is rotatably set on the base.

[0030] The trimming assembly includes a trimming mechanism, a crossbar 41, a transverse plate 40, a vertical bar 43, and a counterweight mechanism. The trimming mechanism includes a fixed plate 50, on which a grinding wheel 51 is rotatably mounted. A first rotating shaft 52 is fixed inside the grinding wheel 51. A first motor 53 is fixed to the upper surface of the fixed plate 50. The first rotating shaft 52 is fixedly connected to the output shaft of the first motor 53. The transverse plate 40 is fixed to the fixed plate 50. The crossbar 41 is horizontally positioned. A horizontal sliding plate 40 is slidably connected to it. A vertical rod 43 is vertically set and its lower end is fixedly connected to the right end of the horizontal rod 41. A counterweight mechanism is slidably connected to the vertical rod 43. A guide wheel 46 is rotatably connected to the left end of the horizontal rod 41 and the upper end of the vertical rod 43. A pull rope 42 is fixedly connected between the counterweight mechanism and the horizontal sliding plate 40. The pull rope 42 passes around the two guide wheels 46 and abuts against the outer periphery of the two guide wheels 46. The weight of the counterweight mechanism causes the trimming mechanism to move closer to the edge of the acrylic plate and abut against its edge.

[0031] Multiple connecting rods 54 are fixedly connected between the transverse plate 40 and the fixed plate 50. A slider is provided on the transverse plate 40. A groove parallel to the crossbar 41 is opened in the slider. The crossbar 41 passes through the groove in the slider and is slidably connected to it. The crossbar 41 is coated with grease to reduce the friction between the groove and the crossbar 41. At the same time, the edges at both ends of the groove can be chamfered to avoid scratching the surface of the crossbar 41.

[0032] The outer periphery of the mold 51 is provided with a groove that surrounds the mold 51. The bottom wall of the groove is arc-shaped, so that when the groove abuts against the side of the acrylic plate and is trimmed, the upper and lower edges of the side of the acrylic plate are obtuse angles, reducing the sharpness of the edges.

[0033] An adjusting plate 22 is fixed to one end of the vertical rod 43 connected to the horizontal rod 41. A support plate 20 is provided on the lower side of the adjusting plate 22. Multiple support rods 21 are fixed between the support plate 20 and the base. Two symmetrically arranged bolts 27 are fixed on the support plate 20 and extend upward through the adjusting plate 22. Nuts 26 that abut against the upper end face of the adjusting plate 22 are threaded on the bolts 27. Two first compression springs 25 are fixed between the adjusting plate 22 and the support plate 20, respectively surrounding the two bolts 27.

[0034] Two guide sleeves 23 are also fixed on the adjusting plate 22, and two guide rods 24 are also fixed on the upper end face of the support plate 20. The two guide rods 24 pass through the two guide sleeves 23 respectively and are slidably connected to them.

[0035] The counterweight mechanism includes a sliding sleeve 44 and a counterweight block 45. The sliding sleeve 44 is sleeved on the vertical rod 43 and slidably connected to it, and the counterweight block 45 is fixed on the sliding sleeve 44.

[0036] The adsorption and fixing assembly includes a turntable 30, a support tube 35, and a suction cup 38. The suction cup 38 is fixed to the upper end of the support tube 35. A downwardly recessed adsorption cavity is opened at the upper end of the suction cup 38. A vent hole 39 is opened on the bottom wall of the adsorption cavity. The support tube 35 is hollow inside, forming a cavity. The support tube 35 is fixed on the turntable 30 and located at its center. The vent hole 39 is connected to the cavity inside the support tube 35. A piston 32 is slidably connected inside the support tube 35. An electromagnet 31 is fixed on the bottom wall of the support tube 35. The electromagnet 31 can be powered by a brush, ensuring that the electromagnet 31 remains energized as it rotates with the support tube 35. The current direction of the brush changes periodically with the rotation of the support tube 35, so that the current direction inside the electromagnet 31 remains consistent when it is energized. An iron plate 33 is fixed to the lower end face of the piston 32. A second compression spring 34 is fixed between the iron plate 33 and the electromagnet 31.

[0037] The base includes a workbench 12 and a base plate 10. Multiple columns 11 are fixed between the base plate 10 and the workbench 12. A downwardly recessed circular groove is opened on the upper surface of the workbench 12. The turntable 30 is embedded in the circular groove and is rotatably connected. A second motor 36 is fixed on the lower surface of the workbench 12. A second rotating shaft 37 located at the circular part of the turntable 30 is fixed on the lower surface of the turntable 30. The second rotating shaft 37 extends downward through the workbench 12 and is fixedly connected to the output shaft of the second motor 36.

[0038] In use, the acrylic plate is placed on the suction cup 38, with the acrylic plate located to the left of the mold 51. After the electromagnet 31 is energized, it generates a magnetic force that attracts the iron plate 33 to move downward against the elastic force of the second compression spring 34, thereby driving the piston 32 to move downward. This reduces the spatial pressure on the upper side of the piston 32. The suction cup 38 is made of rubber, which ensures airtightness between the suction cup 38 and the acrylic plate surface when the suction cup 38 comes into contact with it. The air pressure in the suction cup 38 decreases as the piston 32 moves downward, allowing the suction cup 38 to adhere and fix the acrylic plate.

[0039] At this time, the transverse plate 40 is pulled to the left by the gravity of the counterweight 45, which causes the mold 51 to abut against the side of the acrylic plate. Rotating the nut 26 causes the adjusting plate 22 to move downward against the elastic force of the first compression spring 25 or to move upward under the elastic force of the first compression spring 25, thereby adjusting the height of the mold 51 so that the groove on the outer periphery of the mold 51 abuts against the upper and lower edges of the side of the acrylic plate at the same time.

[0040] Then, the second motor 36 and the first motor 53 are started. The second motor 36 starts and drives the support tube 35 to rotate, which in turn drives the acrylic plate to rotate slowly. At the same time, the first motor 53 starts and drives the first rotating shaft 52 to rotate, which in turn causes the mold 51 to rotate to trim the acrylic plate. The rotation speed of the acrylic plate is controlled to prevent the mold 51 from being knocked away due to the excessive rotation speed of the acrylic plate.

[0041] As the acrylic sheet rotates with the support tube 35, the mold 51 is always in contact with the side of the acrylic sheet due to the pull of the rope 42, thereby achieving overall trimming of the side of the acrylic sheet.

[0042] Those skilled in the art will appreciate that various modifications to the above embodiments can be made without departing from the overall spirit and concept of this utility model. All such modifications fall within the protection scope of this utility model. The protection scheme of this utility model is defined by the appended claims.

Claims

1. A trimming device for acrylic sheets used in touchscreen switches, characterized in that, include: Base; An adsorption and fixing component is used to adsorb and fix an acrylic plate by negative pressure. The adsorption and fixing component is rotatably mounted on a base. The trimming assembly is located on one side of the adsorption and fixing assembly and fixed to the base. The trimming assembly includes a trimming mechanism, a crossbar (41), a transverse plate (40), a vertical bar (43), and a counterweight mechanism. The trimming mechanism includes a fixing plate (50). A grinding wheel (51) is rotatably mounted on the fixing plate (50) and located below it. A first rotating shaft (52) is fixed inside the grinding wheel (51). A first motor (53) is fixed on the upper end face of the fixing plate (50). The first rotating shaft (52) is fixedly connected to the output shaft of the first motor (53). A transverse plate (40) is fixed on the fixing plate (50). The rod (41) is set horizontally. The horizontal rod (41) passes through the horizontal sliding plate (40) and is slidably connected to it. The vertical rod (43) is set vertically and its lower end is fixedly connected to the right end of the horizontal rod (41). The counterweight mechanism is slidably connected to the vertical rod (43). The left end of the horizontal rod (41) and the upper end of the vertical rod (43) are rotatably connected to guide wheels (46). A pull rope (42) is fixedly connected between the counterweight mechanism and the horizontal sliding plate (40). The pull rope (42) passes around the two guide wheels (46) and abuts against the outer periphery of the two guide wheels (46). The weight of the counterweight mechanism makes the trimming mechanism move closer to the edge of the acrylic plate and abut against its edge.

2. The acrylic sheet trimming device for a touch screen switch according to claim 1, characterized in that, Multiple connecting rods (54) are fixedly connected between the transverse plate (40) and the fixed plate (50). A slider is provided on the transverse plate (40), and the crossbar (41) passes through the slider and is slidably connected to it.

3. The acrylic sheet trimming device for a touch screen switch according to claim 1, characterized in that, The grinding tool (51) has a groove around its outer periphery, and the bottom wall of the groove is arc-shaped.

4. The acrylic sheet trimming device for a touch screen switch according to claim 3, characterized in that, An adjusting plate (22) is fixed at one end of the vertical rod (43) connected to the horizontal rod (41). A support plate (20) is provided on the lower side of the adjusting plate (22). Multiple support rods (21) are fixed between the support plate (20) and the base. Two symmetrically arranged bolts (27) that extend upward and penetrate the adjusting plate (22) are fixed on the support plate (20). Nuts (26) that abut against the upper end face of the adjusting plate (22) are threaded on the bolts (27). Two first compression springs (25) that are respectively arranged around the two bolts (27) are fixed between the adjusting plate (22) and the support plate (20).

5. The acrylic sheet trimming device for a touch screen switch according to claim 4, characterized in that, Two guide sleeves (23) are also fixed on the adjusting plate (22), and two guide rods (24) are also fixed on the upper end face of the support plate (20). The two guide rods (24) pass through the two guide sleeves (23) respectively and are slidably connected to them.

6. The acrylic sheet trimming device for a touch screen switch according to claim 1, characterized in that, The counterweight mechanism includes a sliding sleeve (44) and a counterweight block (45). The sliding sleeve (44) is sleeved on the vertical rod (43) and slidably connected to it. The counterweight block (45) is fixed on the sliding sleeve (44).

7. The acrylic sheet trimming device for a touch screen switch according to claim 1, characterized in that, The adsorption and fixing assembly includes a turntable (30), a support tube (35), and a suction cup (38). The suction cup (38) is fixed to the upper end of the support tube (35). The upper end of the suction cup (38) has a downwardly recessed adsorption cavity. A vent hole (39) is provided on the bottom wall of the adsorption cavity. The support tube (35) is hollow inside to form a cavity. The support tube (35) is fixed on the turntable (30) and located at its center. The vent hole (39) is connected to the cavity inside the support tube (35). A piston (32) is slidably connected inside the support tube (35). An electromagnet (31) is fixed on the bottom wall of the support tube (35). An iron plate (33) is fixed on the lower end face of the piston (32). A second compression spring (34) is fixed between the iron plate (33) and the electromagnet (31).

8. The acrylic sheet trimming device for a touch screen switch according to claim 7, characterized in that, The base includes a workbench (12) and a base plate (10). Multiple columns (11) are fixed between the base plate (10) and the workbench (12). The upper surface of the workbench (12) has a downwardly recessed circular groove. The turntable (30) is embedded in the circular groove and is rotatably connected. The lower surface of the workbench (12) is fixed with a second motor (36). The lower surface of the turntable (30) is fixed with a second rotating shaft (37) located at its circular position. The second rotating shaft (37) extends downward through the workbench (12) and is fixedly connected to the output shaft of the second motor (36).

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