Abrasive belt edge trimmer

Abstract

The utility model discloses an abrasive belt edge trimmer and belongs to the technical field of abrasive belt edge trimmers, the abrasive belt edge trimmer comprises a mounting shell, a protective shell and an edge trimming mechanism, the protective shell is fixedly connected to the top of the mounting shell, and the edge trimming mechanism is arranged at the position, located on one side of the protective shell, of the outer portion of the mounting shell and comprises a first roller, a second roller and an abrasive belt; the first roller and the second roller are rotationally connected to the exterior of the mounting shell, and abrasive belts are arranged outside the first roller and the second roller; the device is novel in design and ingenious, by arranging a tensioning mechanism and an adjusting mechanism, when an abrasive belt is used to a certain degree and gets loose, a servo motor drives a gear to rotate, the gear is meshed with a rack to promote the rack to move upwards in a protective shell, a third roller can be driven to move upwards synchronously through a connecting rod connected with the gear, and the abrasive belt is driven to move upwards. Therefore, the tightness degree of the abrasive belt can be adjusted in time according to the use degree of the abrasive belt, and the use effect of the abrasive belt edge trimmer is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a sand belt edge trimmer. BACKGROUND

[0002] The sand belt edge trimmer is mainly used for chamfering and trimming before glass steelization, and the device is particularly suitable for pretreating glass to ensure that the glass can reach the required shape and quality in the subsequent steelization process. The use of the sand belt edge trimmer is not limited to glass processing, but also includes the treatment of metal surfaces, such as polishing, rust removal, deburring and oxide wire drawing.

[0003] In the field of metal processing, the sand belt edge trimmer can achieve different treatment effects by replacing sand belts with different mesh numbers. For example, the surface wire drawing and polishing treatment of aluminum parts is very good, the polishing of stainless steel pipe welding seams can also achieve almost no trace effect, in addition, the rust removal and polishing of metal surfaces is also an important application of the sand belt edge trimmer, which can quickly and effectively improve the quality of the metal surface.

[0004] The sand belt edge trimmer generally drives the sand belt to rotate for trimming through two rollers, but when the sand belt is used to a certain extent, the sand belt is prone to loosening and falling off after being pulled for a long time, thereby affecting the subsequent use effect of the sand belt.

[0005] Therefore, the application provides a sand belt edge trimmer. CONTENT OF THE UTILITY MODEL

[0006] The sand belt edge trimmer provided by the application solves the problems in the background art. When the sand belt loosens after being used to a certain extent, the servo motor is started to drive the gear to rotate. The gear is engaged with the rack, so that the rack moves upward in the protective shell. At this time, the third roller connected with the connecting rod is driven to move upward synchronously, so that the sand belt is in a tension state. Therefore, the tightness of the sand belt can be adjusted in time according to the use degree of the sand belt, thereby improving the use effect of the sand belt edge trimmer and greatly improving the practicability of the device.

[0007] In order to achieve the above purpose, the application adopts the following technical scheme:

[0008] The sand belt edge trimmer comprises a mounting shell, a protective shell and an edge trimming mechanism. The top of the mounting shell is fixedly connected with the protective shell. The edge trimming mechanism is arranged on the outside of the mounting shell and located on one side of the protective shell. The edge trimming mechanism comprises a first roller, a second roller and a sand belt. The first roller and the second roller are both rotatably connected to the outside of the mounting shell. The first roller and the second roller are provided with the sand belt outside.

[0009] As a preferred implementation form, the outer part of the protective shell is provided with a tensioning mechanism, the tensioning mechanism comprises a connecting rod and a third roller, the connecting rod is slidingly connected inside the protective shell, the outer part of the connecting rod is fixedly connected with the third roller, and the third roller is arranged between the first roller and the second roller, and the outer part of the third roller is in contact with the inner side of the abrasive belt.

[0010] Under the action of the driving force, the connecting rod drives the third roller to move upward synchronously, so that the abrasive belt is in a tensioned state, thereby the tightness of the abrasive belt can be adjusted in time according to the use degree of the abrasive belt, and the use effect of the abrasive belt trimming machine is improved, and the practicability of the device is improved.

[0011] As a preferred implementation form, the outer part of the protective shell is provided with a tensioning mechanism, the tensioning mechanism comprises a connecting rod and a third roller, the connecting rod is slidingly connected inside the protective shell, the outer part of the connecting rod is fixedly connected with the third roller, and the third roller is arranged between the first roller and the second roller, and the outer part of the third roller is in contact with the inner side of the abrasive belt.

[0012] By arranging the positioning mechanism, the first positioning plate and the second positioning plate, the abrasive belt during rotation can be positioned, so that movement and deviation are prevented, the use effect is improved, and the practicability of the device is improved.

[0013] As a preferred implementation form, the inner part of the mounting shell is provided with a driving mechanism, the driving mechanism comprises two rotating shafts, both of which are rotatably connected inside the mounting shell, and one end of each of the two rotating shafts penetrates to the outside of the mounting shell and extends to the inside of the first roller and the second roller, respectively, the outer part of both of the rotating shafts and the inside of the mounting shell are fixedly connected with a main pulley and a driven pulley, respectively, and the main pulley and the driven pulley are drivingly connected through a belt, the outer part of the mounting shell is fixedly connected with a driving motor, and the output end of the driving motor extends to the inside of the mounting shell and is fixedly connected with one end of one of the rotating shafts.

[0014] By driving one of the rotating shafts to rotate through the driving motor, the main pulley and the driven pulley are drivingly connected through the belt, so that the other rotating shaft is driven to rotate, thereby improving the practicability of the device.

[0015] As a preferred implementation form, the inner part of the protective shell is provided with an adjusting mechanism, the adjusting mechanism comprises a servo motor, the servo motor is fixedly connected outside the protective shell, the output end of the servo motor extends to the inside of the protective shell and is fixedly connected with a gear, the inner part of the protective shell is provided with a rack, and the gear and the rack are meshingly connected, and one end of the connecting rod is fixedly connected with the outer part of the rack.

[0016] The gear is driven to rotate by the servo motor, the gear is engaged with the rack, and then the rack moves upward in the protective shell, thereby improving the practicality of the device.

[0017] As a preferred embodiment, the inside of the protective shell is provided with a limiting mechanism, the limiting mechanism comprises two T-shaped limiting grooves, both of which are arranged in the inside of the protective shell, both of which are slidably connected with T-shaped limiting blocks, and the side of both of the T-shaped limiting blocks away from the T-shaped limiting grooves is fixedly connected with the outside of the rack.

[0018] The limiting mechanism, the T-shaped limiting groove and the T-shaped limiting block are arranged to limit the position of the rack during movement, thereby improving the stability of the third roller during adjustment, and improving the practicality of the device.

[0019] The beneficial effects of the present application are:

[0020] 1. The sand belt trimming machine is provided with a tensioning mechanism and an adjusting mechanism. When the sand belt is loosened after being used to a certain extent, the servo motor is started to drive the gear to rotate. The gear is engaged with the rack, and then the rack moves upward in the protective shell. At this time, the connecting rod connected therewith drives the third roller to move upward synchronously, so that the sand belt is in a tensioning state. Therefore, the tightness of the sand belt can be adjusted in time according to the use degree of the sand belt, thereby improving the use effect of the sand belt trimming machine and greatly improving the practicality of the device.

[0021] 2. The sand belt trimming machine is provided with a positioning mechanism, a first positioning plate and a second positioning plate, so that the sand belt during rotation can be positioned to prevent movement and deviation. The limiting mechanism, the T-shaped limiting groove and the T-shaped limiting block are arranged to limit the position of the rack during movement, thereby improving the stability of the third roller during adjustment and greatly improving the practicality of the device. DETAILED DESCRIPTION

[0022] Figure 1 It is a schematic view of the main body of the device of the present application.

[0023] Figure 2 It is an internal top view schematic view of the installation of the device of the present application.

[0024] Figure 3 It is a top view schematic view of the inside of the protective shell of the device of the present application.

[0025] Figure 4 It is an enlarged view of A in the present application. Figure 3

[0026] ​The figure label: 1, installation shell; 2, protective shell; 3, trimming mechanism; 31, first roller; 32, second roller; 33, abrasive belt; 4, tensioning mechanism; 41, connecting rod; 42, third roller; 5, positioning mechanism; 51, first positioning plate; 52, second positioning plate; 6, driving mechanism; 61, driving motor; 62, main pulley; 63, from the pulley; 64, shaft; 7, adjusting mechanism; 71, servo motor; 72, gear; 73, rack; 8, limiting mechanism; 81, T-shaped limiting groove; 82, T-shaped limiting block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0028] Referring to Figures 1-4 An abrasive belt trimming machine, comprising an installation shell 1, a protective shell 2 and a trimming mechanism 3, the top of the installation shell 1 is fixedly connected with the protective shell 2.

[0029] Referring to Figures 1-4 The outside of the installation shell 1 and on one side of the protective shell 2 is provided with a trimming mechanism 3. The trimming mechanism 3 comprises a first roller 31, a second roller 32 and an abrasive belt 33. The first roller 31 and the second roller 32 are both rotatably connected to the outside of the installation shell 1. The outside of the first roller 31 and the second roller 32 is provided with the abrasive belt 33. When the two shafts 64 rotate, they will drive the first roller 31 and the second roller 32 connected thereto to rotate. The first roller 31 and the second roller 32 promote the rotation of the abrasive belt 33 to perform trimming operation on the workpiece.

[0030] Referring to Figures 1-4 The outside of the protective shell 2 is provided with a tensioning mechanism 4. The tensioning mechanism 4 comprises a connecting rod 41 and a third roller 42. The connecting rod 41 is slidably connected to the inside of the protective shell 2. The outside of the connecting rod 41 is fixedly connected with the third roller 42. The third roller 42 is arranged between the first roller 31 and the second roller 32. The outside of the third roller 42 is in contact with the inside of the abrasive belt 33. Under the action of driving force, the connecting rod 41 drives the third roller 42 to move upward synchronously, so that the abrasive belt 33 is in a tensioned state. Thus, the tightness of the abrasive belt 33 can be adjusted in time according to the degree of use of the abrasive belt 33, thereby improving the use effect of the abrasive belt trimming machine and the practicality of the device.

[0031] Referring to Figures 1-3Two ends of the first roller 31, the second roller 32 and the third roller 42 are fixedly connected with the positioning mechanism 5 respectively, the positioning mechanism 5 comprises the first positioning plate 51 and the second positioning plate 52, each first positioning plate 51 is fixedly connected at one end of the first roller 31, the second roller 32 and the third roller 42 respectively, and the second positioning plate 52 is fixedly connected at the end of the first roller 31, the second roller 32 and the third roller 42 away from the first positioning plate 51; by setting the positioning mechanism 5, the first positioning plate 51 and the second positioning plate 52, the rotating sand belt 33 can be positioned, and movement, deviation and other conditions are prevented, thereby improving the use effect, thereby improve the practicality of the device.

[0032] With reference to Figures 1-2 The inside of the mounting shell 1 is provided with the driving mechanism 6, the driving mechanism 6 comprises the rotating shaft 64, both rotating shafts 64 are rotatably connected inside the mounting shell 1, and one end of both rotating shafts 64 penetrates to the outside of the mounting shell 1 and extends to the inside of the first roller 31 and the second roller 32 respectively, the outside of both rotating shafts 64 and inside the mounting shell 1 are fixedly connected with the main pulley 62 and the driven pulley 63 respectively, and the main pulley 62 and the driven pulley 63 are drivingly connected through the belt, the outside of the mounting shell 1 is fixedly connected with the driving motor 61, and the output end of the driving motor 61 extends to the inside of the mounting shell 1 and is fixedly connected with one end of one of the rotating shafts 64; one of the rotating shafts 64 is driven to rotate by the driving motor 61, the main pulley 62 and the driven pulley 63 are drivingly connected, so as to drive the other rotating shaft 64 to rotate, thereby improving the practicality of the device.

[0033] With reference to Figure 1 , 3 , 4, the inside of the protective shell 2 is provided with the adjusting mechanism 7, the adjusting mechanism 7 comprises the servo motor 71, the servo motor 71 is fixedly connected outside the protective shell 2, the output end of the servo motor 71 extends to the inside of the protective shell 2 and is fixedly connected with the gear 72, the inside of the protective shell 2 is provided with the rack 73, and the gear 72 and the rack 73 are meshingly connected, one end of the connecting rod 41 is fixedly connected outside the rack 73; the gear 72 is driven to rotate by the servo motor 71, the gear 72 and the rack 73 are meshed, so as to drive the rack 73 to move upwards in the protective shell 2, thereby improving the practicality of the device.

[0034] With reference to Figure 1 , 3, 4, the inside of the protective shell 2 is provided with a limiting mechanism 8, the limiting mechanism 8 includes T type limiting groove 81, two T type limiting groove 81 are all set up in the protective shell 2 inside, the inside of two T type limiting block 82 is all connected with T type limiting groove 81, and the limiting mechanism 8 is set up, and T type limiting groove 81 and T type limiting block 82 are set up, the position of rack 73 is limited when moving, the stability of third roller 42 is ensured when adjusting, thereby the practicality of the device is improved.

[0035] Working principle: when the edge trimmer is used, the driving motor 61 is started, one of the shafts 64 is driven to rotate by the driving motor 61, the main pulley 62 and the driven pulley 63 are driven to rotate by the belt drive, the other shaft 64 is driven to rotate, when the two shafts 64 are rotated, the first roller 31 and the second roller 32 connected with the shafts are driven to rotate, the sand belt 33 is rotated by the first roller 31 and the second roller 32 to trim the workpiece.

[0036] By setting the positioning mechanism 5, the first positioning plate 51 and the second positioning plate 52, the sand belt 33 in the rotating process can be positioned to prevent movement, deviation and other conditions, thereby improving the use effect.

[0037] When the sand belt 33 is used to a certain extent and loosens, the servo motor 71 is started, the gear 72 is driven to rotate by the servo motor 71, the gear 72 is engaged with the rack 73, the rack 73 is moved upward in the protective shell 2, at this time, the connecting rod 41 connected with the rack 73 is driven to move upward synchronously, the sand belt 33 is in a tension state, thereby the tightness of the sand belt 33 can be adjusted in time according to the use degree of the sand belt 33, thereby improving the use effect of the sand belt 33 edge trimmer.

[0038] By setting the limiting mechanism 8, the T type limiting groove 81 and the T type limiting block 82, the position of the rack 73 is limited when moving, the stability of the third roller 42 is ensured when adjusting.

[0039] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A belt sander, comprising a mounting case (1), a protective case (2) and a trimming mechanism (3), characterized in that, The top of mounting shell (1) is fixedly connected with protective shell (2), the outer side of mounting shell (1) and the side of protective shell (2) are provided with trimming mechanism (3), trimming mechanism (3) comprises first roller (31), second roller (32) and abrasive belt (33), first roller (31) and second roller (32) are rotatably connected on the outer side of mounting shell (1), the outer side of first roller (31) and second roller (32) is provided with abrasive belt (33).

2. The belt sander according to claim 1, wherein The outer side of protective shell (2) is provided with tensioning mechanism (4), tensioning mechanism (4) comprises connecting rod (41) and third roller (42), connecting rod (41) is slidably connected in the inner side of protective shell (2), the outer side of connecting rod (41) is fixedly connected with third roller (42), and the third roller (42) is arranged between the first roller (31) and the second roller (32), the outer side of third roller (42) is in contact with the inner side of abrasive belt (33).

3. The belt sander according to claim 2, wherein The two ends of first roller (31), second roller (32) and third roller (42) are fixedly connected with positioning mechanism (5) respectively, positioning mechanism (5) comprises first positioning plate (51) and second positioning plate (52), each first positioning plate (51) is fixedly connected with one end of first roller (31), second roller (32) and third roller (42) respectively, and the end, away from first positioning plate (51), of first roller (31), second roller (32) and third roller (42) is fixedly connected with second positioning plate (52).

4. The belt sander according to claim 2, wherein The inner side of mounting shell (1) is provided with driving mechanism (6), driving mechanism (6) comprises rotating shaft (64), two rotating shafts (64) are rotatably connected in the inner side of mounting shell (1), and one end of two rotating shafts (64) penetrates to the outer side of mounting shell (1) and extends to the inner side of first roller (31) and second roller (32) respectively, the outer side of two rotating shafts (64) and the inner side of mounting shell (1) are fixedly connected with main pulley (62) and driven pulley (63) respectively, and the main pulley (62) and the driven pulley (63) are drivingly connected through a belt, the outer side of mounting shell (1) is fixedly connected with driving motor (61), and the output end of driving motor (61) extends to the inner side of mounting shell (1) and is fixedly connected with one end of one rotating shaft (64).

5. The belt sander of claim 2, wherein, The inner side of protective shell (2) is provided with adjusting mechanism (7), adjusting mechanism (7) comprises servo motor (71), the output end of servo motor (71) extends to the inner side of protective shell (2) and is fixedly connected with gear (72), the inner side of protective shell (2) is provided with rack (73), and the gear (72) and the rack (73) are in meshing connection, one end of connecting rod (41) is fixedly connected with the outer side of rack (73).

6. The belt sander of claim 5, wherein, The inside of the protective shell (2) is provided with a limiting mechanism (8), the limiting mechanism (8) comprises a T-shaped limiting groove (81), two T-shaped limiting grooves (81) are arranged in the protective shell (2), and the inside of the two T-shaped limiting grooves (81) is slidably connected with a T-shaped limiting block (82), and the side, away from the T-shaped limiting groove (81), of the two T-shaped limiting blocks (82) is fixedly connected with the outside of the rack (73).

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