Trimming device for air conditioner plastic part machining

Abstract

The trimming device for air conditioner plastic part machining comprises a supporting box body and a driving motor in the supporting box body, the top of the supporting box body is fixedly connected with a workbench, the output end of the driving motor is in threaded connection with an abrasive paper replaceable grinding mechanism through a bolt head, and the abrasive paper replaceable grinding mechanism comprises an outer cylinder assembly and an inner cylinder assembly. The outer cylinder assembly is connected with the driving motor and extends to the position above the workbench, the outer cylinder assembly comprises an outer cylinder, a through groove is formed in the back face of the outer cylinder, limiting teeth are slidably connected between the top and the bottom of the inner wall of the through groove, and a plurality of limiting teeth are fixedly connected to the left sides of the limiting teeth at equal intervals. According to the trimming device for air conditioner plastic part machining, when abrasive paper is seriously abraded, the abrasive paper can be rapidly replaced through the abrasive paper replacing assembly, and the abrasive paper on the abrasive paper roll can be rapidly supplemented through the design of the outer cylinder assembly after being used, so that the practicability of the device during use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioner processing, in particular to a trimming device for processing air conditioner plastic parts. Background Art

[0002] Air conditioner is an air conditioner that adjusts temperature and humidity. A wall mounted air conditioner is a unit used to provide air temperature changes in a space. Its function is to adjust the temperature, humidity, cleanliness and air flow rate of the air in the room to meet the requirements of human comfort or process. Some parts inside the air conditioner are mostly made of plastic. Most of these plastic parts will produce scraps after mold production, which need to be removed later.

[0003] Chinese patent publication number "CN218556542U" discloses a trimming device for processing air conditioner plastic parts, including a supporting mechanism and an adjusting mechanism arranged on the supporting mechanism for moving the plastic parts. A fixing mechanism for limiting the plastic parts is arranged on the upper end of the adjusting mechanism, and a trimming mechanism for removing flash from the outer edge of the moving plastic parts is arranged on one side of the fixing mechanism.

[0004] This patent uses a grinding wheel to trim the plastic parts of the air conditioner. Usually, the grinding wheel is covered with sandpaper, and the sandpaper needs to be replaced after it is severely worn. The existing replacement method requires removing the old sandpaper and installing new sandpaper, which is relatively cumbersome. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a trimming device for processing air-conditioner plastic parts, which solves the problem that the sandpaper on the grinding wheel in the prior art trimming device for processing air-conditioner plastic parts is troublesome to replace.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: A trimming device for processing air conditioner plastic parts includes a support box and a driving motor inside the support box, the top of the support box is fixedly connected to a workbench, the output end of the driving motor is threadedly connected to a sandpaper replaceable grinding mechanism through a bolt head, and the sandpaper replaceable grinding mechanism includes:

[0007] An outer cylinder assembly is connected to the driving motor and extends above the workbench. The outer cylinder assembly includes an outer cylinder. A through slot is provided on the back of the outer cylinder. A limiting tooth is slidably connected between the top and bottom of the inner wall of the through slot. A plurality of limiting teeth are fixedly connected at equal distances on the left side of the limiting tooth. A groove cooperating with the limiting tooth is provided on the left side of the inner wall of the through slot.

[0008] A sandpaper replacement assembly is arranged inside the outer cylinder assembly and is combined with the outer cylinder assembly to achieve the purpose of replacing sandpaper. The sandpaper replacement assembly includes a spline shaft, which is rotatably connected to the bottom of the inner wall of the outer cylinder, and a limit ring is fixedly connected below the surface of the spline shaft. A sandpaper roll is sleeved on the surface of the limit ring, and sandpaper is wound on the surface of the sandpaper roll.

[0009] The limiting assembly is arranged below the sandpaper replacement assembly and is used to prevent the outer cylinder from being reversed.

[0010] Preferably, a replacement port is provided at the top of the outer cylinder, and a protective cover is rotatably connected between the left and right sides of the inner wall of the replacement port, and the protective cover closes the replacement port by a locking bolt.

[0011] Preferably, one end of the sandpaper passes through the through slot and passes back through the through slot.

[0012] Preferably, the limiting assembly comprises a limiting wheel, the limiting wheel is fixedly connected to the surface of the spline shaft, and a plurality of gear teeth are fixedly connected at equal distances on the annular surface of the limiting wheel.

[0013] Preferably, a fixing rod is fixedly connected to the bottom of the inner wall of the outer cylinder, a limiting rod is rotatably connected to the surface of the fixing rod, and the head of the limiting rod cooperates with a plurality of gear teeth.

[0014] Preferably, a torsion spring is sleeved on the surface of the fixing rod between the limiting rod and the outer cylinder, one end of the torsion spring is fixedly connected to the bottom of the limiting rod, and the other end of the torsion spring is fixedly connected to the bottom of the inner wall of the outer cylinder.

[0015] Beneficial Effects

[0016] The utility model provides a trimming device for processing air conditioner plastic parts. Compared with the prior art, it has the following beneficial effects:

[0017] 1. The trimming device for processing air-conditioning plastic parts includes a spline shaft through a sandpaper replacement component. The spline shaft is rotatably connected to the bottom of the inner wall of the outer cylinder, and a limit ring is fixedly connected below the surface of the spline shaft. When the sandpaper is severely worn, the sandpaper replacement component can quickly replace the sandpaper, and the sandpaper on the sandpaper roll can be quickly replenished through the design of the outer cylinder component after use, thereby improving the practicability of the device when in use.

[0018] 2. The trimming device for processing air-conditioning plastic parts includes a limiting wheel through a limiting assembly. The limiting wheel is fixedly connected to the surface of the spline shaft. A plurality of gear teeth are fixedly connected at equal distances on the annular surface of the limiting wheel. When replacing sandpaper, the spline shaft is prevented from reversing through the cooperation of the limiting assembly, which effectively ensures that the sandpaper can be well covered on the outside of the outer cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the appearance of the utility model;

[0020] Figure 2 It is a schematic diagram of the sandpaper replaceable grinding mechanism of the utility model;

[0021] Figure 3 It is a cross-sectional view of the outer cylinder assembly of the utility model;

[0022] Figure 4 It is a schematic diagram of the limit assembly of the utility model.

[0023] In the figure: 1. Support box; 2. Workbench; 3. Outer cylinder assembly; 31. Outer cylinder; 32. Replacement port; 33. Protective cover; 34. Locking bolt; 35. Through groove; 36. Sliding rod; 37. Limiting tooth; 4. Sandpaper replacement assembly; 41. Spline shaft; 42. Limiting ring; 43. Sandpaper roll; 44. Sandpaper; 5. Limiting assembly; 51. Limiting wheel; 52. Fixing rod; 53. Limiting rod; 54. Torsion spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] The trimming device for processing air-conditioning plastic parts provides two technical solutions:

[0026] like Figure 1-3 The first embodiment is shown: comprising a support box 1 and a driving motor inside thereof, a workbench 2 is fixedly connected to the top of the support box 1, and a sandpaper replaceable grinding mechanism is threadedly connected to the output end of the driving motor through a bolt head, and the sandpaper replaceable grinding mechanism comprises:

[0027] The outer cylinder assembly 3 is connected to the driving motor and extends to the top of the workbench 2. The outer cylinder assembly 3 includes an outer cylinder 31. A through groove 35 is provided on the back of the outer cylinder 31. A limiting tooth 37 is slidably connected between the top and the bottom of the inner wall of the through groove 35. A plurality of limiting teeth 37 are fixedly connected at equal distances on the left side of the limiting tooth 37. A groove matching the limiting tooth 37 is provided on the left side of the inner wall of the through groove 35. A replacement port 32 is provided on the top of the outer cylinder 31. A protective cover 33 is rotatably connected between the left and right sides of the inner wall of the replacement port 32. The protective cover 33 closes the replacement port 32 through a locking bolt 34.

[0028] The sandpaper replacement component 4 is arranged inside the outer cylinder component 3 and is combined with the outer cylinder component 3 to achieve the purpose of replacing the sandpaper. The sandpaper replacement component 4 includes a spline shaft 41, which is rotatably connected to the bottom of the inner wall of the outer cylinder 31, and a limit ring 42 is fixedly connected below the surface of the spline shaft 41. A sandpaper roll 43 is sleeved on the surface of the limit ring 42, and sandpaper 44 is wound on the surface of the sandpaper roll 43. One end of the sandpaper 44 passes through the through groove 35 and passes back through the through groove 35.

[0029] When the sandpaper 44 is severely worn, the sandpaper replacement assembly 4 can quickly replace the sandpaper, and the sandpaper 44 on the sandpaper roll 43 can be quickly replenished through the design of the outer cylinder assembly 3 after use, thereby improving the practicability of the device when in use.

[0030] like Figure 3 and 4 A second embodiment is shown, which mainly differs from the first embodiment in that a limit assembly 5 is arranged below the sandpaper replacement assembly 4 and is used to place the outer cylinder 31 in reverse. The limit assembly 5 includes a limit wheel 51, which is fixedly connected to the surface of the spline shaft 41. A plurality of gear teeth are fixedly connected at equal distances on the annular surface of the limit wheel 51. A fixing rod 52 is fixedly connected to the bottom of the inner wall of the outer cylinder 31. The surface of the fixing rod 52 is rotatably connected to the limit rod 53. The head of the limit rod 53 cooperates with the plurality of gear teeth. A torsion spring 54 is sleeved on the surface of the fixing rod 52 between the limit rod 53 and the outer cylinder 31. One end of the torsion spring 54 is fixedly connected to the bottom of the limit rod 53, and the other end of the torsion spring 54 is fixedly connected to the bottom of the inner wall of the outer cylinder 31.

[0031] When the sandpaper 44 is replaced, the spline shaft 41 is prevented from reversing by the cooperation of the limiting assembly 5 , thereby effectively ensuring that the sandpaper 44 can be well covered on the outside of the outer cylinder 31 .

[0032] When replacing the sandpaper, the sliding rod 36 is moved to make the limiting tooth 37 away from the sandpaper 44, and the sandpaper 44 is pulled. The sandpaper 44 moves and makes the unworn sandpaper cover the outside of the outer cylinder 31. When the sandpaper 44 moves, the sandpaper roll 43 is driven to rotate. The sandpaper roll 43 rotates and drives the spline shaft 41 to rotate. The spline shaft 41 rotates and drives the limiting wheel 51 to rotate. The limiting wheel 51 rotates so that the gear teeth thereon contact with the limiting rod 53 and push the limiting rod 53 to rotate. The limiting rod 53 rotates so that the gear teeth can pass the position of the limiting rod 53. After the sandpaper roll 43 stops rotating, the limiting rod 53 is locked in the torsion spring. Under the action of the limit tooth 37, the sandpaper 44 enters the gap between the multiple gear teeth on the limiting wheel 51, thereby preventing the limiting wheel 51 from reversing, that is, preventing the spline shaft 41 from reversing. At this time, the sandpaper replacement component 4 has been completely covered on the outside of the outer cylinder 31. Then, the head of the sandpaper 44 is inserted into the through groove 35 from one side of the limit tooth 37, and the slide bar 36 is moved to make the limit tooth 37 penetrate the sandpaper 44 and enter the groove. In addition, when the sandpaper 44 on the sandpaper roll 43 is used up, the locking bolt 34 is unscrewed and the protective cover 33 is rotated to expose the replacement port 32. At this time, the sandpaper roll 43 can be taken out from the outer cylinder 31.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A trimming device for processing air conditioner plastic parts, comprising a supporting box (1) and a driving motor therein, wherein a workbench (2) is fixedly connected to the top of the supporting box (1), characterized in that: The output end of the driving motor is threadedly connected with a sandpaper replaceable grinding mechanism through a bolt head, and the sandpaper replaceable grinding mechanism comprises: The outer cylinder assembly (3) is connected to the driving motor and extends above the workbench (2). The outer cylinder assembly (3) comprises an outer cylinder (31). A through groove (35) is provided on the back of the outer cylinder (31). A limiting tooth (37) is slidably connected between the top and bottom of the inner wall of the through groove (35). A plurality of limiting teeth (37) are fixedly connected at equal distances on the left side of the limiting tooth (37). A groove cooperating with the limiting tooth (37) is provided on the left side of the inner wall of the through groove (35). A sandpaper replacement assembly (4) is arranged inside the outer cylinder assembly (3) and is combined with the outer cylinder assembly (3) to achieve the purpose of replacing sandpaper. The sandpaper replacement assembly (4) comprises a spline shaft (41), the spline shaft (41) is rotatably connected to the bottom of the inner wall of the outer cylinder (31), and a limit ring (42) is fixedly connected below the surface of the spline shaft (41), a sandpaper roll (43) is sleeved on the surface of the limit ring (42), and sandpaper (44) is wound around the surface of the sandpaper roll (43); The limiting assembly (5) is arranged below the sandpaper replacement assembly (4) and is used to prevent the outer cylinder (31) from being reversed.

2. The trimming device for processing air conditioner plastic parts according to claim 1, characterized in that: A replacement opening (32) is provided at the top of the outer cylinder (31), and a protective cover (33) is rotatably connected between the left and right sides of the inner wall of the replacement opening (32), and the protective cover (33) closes the replacement opening (32) via a locking bolt (34).

3. The trimming device for processing air conditioner plastic parts according to claim 1, characterized in that: One end of the sandpaper (44) passes through the through slot (35) and passes back through the through slot (35).

4. The trimming device for processing air conditioner plastic parts according to claim 1, characterized in that: The limiting assembly (5) comprises a limiting wheel (51), the limiting wheel (51) is fixedly connected to the surface of the spline shaft (41), and a plurality of gear teeth are fixedly connected at equal distances on the annular surface of the limiting wheel (51).

5. The trimming device for processing air conditioner plastic parts according to claim 4, characterized in that: A fixing rod (52) is fixedly connected to the bottom of the inner wall of the outer cylinder (31), and a limiting rod (53) is rotatably connected to the surface of the fixing rod (52), and the head of the limiting rod (53) cooperates with a plurality of gear teeth.

6. The trimming device for processing air conditioner plastic parts according to claim 5, characterized in that: A torsion spring (54) is sleeved on the surface of the fixing rod (52) located between the limiting rod (53) and the outer cylinder (31), one end of the torsion spring (54) is fixedly connected to the bottom of the limiting rod (53), and the other end of the torsion spring (54) is fixedly connected to the bottom of the inner wall of the outer cylinder (31).

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