Angle-adjustable sand belt polishing machine

Abstract

The application discloses a sand belt polishing machine with adjustable clamping angle, which comprises a first clamping mechanism, a second clamping mechanism, a sand belt polishing mechanism and a clamping block, the first clamping mechanism and the second clamping mechanism are used for mounting and fixing the sand belt polishing mechanism, the sand belt polishing mechanism comprises a motor, a driving pulley, a driven pulley and a sand belt body, the output shaft of the motor is fixedly connected with the driving pulley, and a supporting rod is arranged between the driving pulley and the driven pulley. The technical key points are as follows: a sand belt polishing machine is designed and installed on the tool holder of an original machine tool, the workpiece is polished by using the sand belt, the technical requirements of surface roughness are met with the smallest machining cost, since the sand belt polishing machine is additionally arranged, the last finishing machining of the stainless steel sleeve can be directly carried out on the lathe after the rudder lever and the rudder pin are red sleeved, the technical requirements of precision and roughness are ensured, and the machining cost is reduced while the machining quality is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of belt sander, in particular to a belt sander with adjustable clamping angle. BACKGROUND

[0002] In recent years, due to the continuous decline of international shipping industry, the ship owner's requirements for the shipyard are increasing, and the technical requirements for the rudder and shaft system processing are also increasing, especially in the aspect of surface roughness.

[0003] At present, the equipment in the mechanical and electrical workshop is in the stage of updating and replacement, and the existing machine tool is difficult to meet the requirements of the ship owner, and if the machine tool is replaced, the cost is high.

[0004] Therefore, it is necessary to design a belt sander with adjustable clamping angle to solve the above problems. SUMMARY

[0005] The technical problem to be solved is:

[0006] In view of the defects in the prior art, the present application provides a belt sander with adjustable clamping angle, which is designed to add a belt sander on the tool holder of the original machine tool, and the workpiece is polished by the belt at last, so as to meet the technical requirements of surface roughness with the smallest processing cost. Since the belt sander is added, the last finishing of the stainless steel sleeve can be directly carried out on the lathe after the rudder rod and rudder pin are sleeved, which not only ensures the accuracy and roughness technical requirements, but also reduces the processing cost while ensuring the processing quality, and solves the technical problems mentioned in the background art.

[0007] Technical scheme:

[0008] In order to achieve the above purpose, the present application is realized by the following technical scheme:

[0009] The utility model provides a kind of clamping angle adjustable abrasive belt polisher, including first clamping mechanism, second clamping mechanism, abrasive belt polishing mechanism and clamping block, the first clamping mechanism and second clamping mechanism are used to install fixed abrasive belt polishing mechanism, the abrasive belt polishing mechanism includes motor, driving pulley, driven pulley and abrasive belt body, the output shaft of motor is fixedly connected driving pulley, support rod is arranged between driving pulley and driven pulley, the outer circle of abrasive belt body is wound in driving pulley and driven pulley, the first clamping mechanism includes adjusting seat plate and clamping plate, a plurality of connecting holes are opened in the adjusting seat plate, annular groove is opened in the clamping plate, the adjusting seat plate is fixedly connected with clamping plate by fixed screw, the screw nut of fixed screw is inverted in annular groove, the screw rod of fixed screw is penetrated connecting hole, the clamping block is used to install fixed first clamping mechanism and second clamping mechanism, spring seat is built-in in support rod, the end of spring seat close to driving pulley is connected with support rod by and cap, the end of support rod close to driven pulley is provided with adjusting branch pipe, one end of adjusting branch pipe is connected with pulley support, driven pulley is installed on pulley support, spring body is provided at the end of spring seat close to pulley support, spring body is located in the inside of support rod, spring body makes driven pulley have a expansion force outward, design and install abrasive belt polisher on the original machine tool tool rest, utilize abrasive belt body to polish workpiece finally, to meet the technical requirement of surface roughness with minimum processing cost.

[0010] In a possible implementation, the motor includes a motor seat plate, which is fixedly installed on the adjusting seat plate and can move synchronously with the adjusting seat plate.

[0011] In a possible implementation, the adjusting seat plate is fixedly provided with a connecting seat plate, the connecting seat plate is fixedly connected with a fixed seat plate, and the fixed seat plate and the connecting seat plate are fixedly provided with a triangular reinforcing rib.

[0012] In a possible implementation, the support rod and the fixed seat plate are connected through a support seat, the support seat and the fixed seat plate are fixedly connected through an assembly screw, the support seat and the support rod are fixedly connected through a plurality of first locking screws, the support seat and the support rod are detachably connected, the support seat and the fixed seat plate are detachably connected, and each component is detachable.

[0013] In a possible implementation, the support rod is provided with an adjusting block on the outside, one side of the adjusting block is provided with an adjusting and cap, the adjusting block and the adjusting branch pipe are provided with a fork, and the support rod and the adjusting branch pipe are connected through a second locking screw.

[0014] In a possible implementation, the pulley support is provided with a notch, and a pulley shaft is installed on the pulley support, the pulley shaft penetrates the driven pulley and the notch of the pulley support, and one end of the pulley shaft is fixedly connected with the pulley support through a locking nut, and the other end of the pulley shaft is provided with a circlip, the driven pulley is installed on the pulley support, the driven pulley is supported by the pulley support and can rotate relative to the pulley support, and the circlip prevents the pulley shaft from moving.

[0015] In a possible implementation, the pulley shaft is connected with the driven pulley through a bearing, the driven pulley can rotate relative to the pulley shaft, and the bearing includes a cover plate, dust is prevented by the cover plate, and the rolling element and the raceway are protected from damage.

[0016] In a possible implementation, the second clamping mechanism includes a rack, the rack is fixedly connected with a fixed base, the fixed base is provided with an adjusting disc, a motor reducer is installed and fixed on the rack, an output shaft of the motor reducer is fixedly connected with a driving gear through a shaft coupling, one end of the adjusting disc is welded with a connecting shaft, the connecting shaft is fixedly connected with a driven gear, the driven gear is engaged with the driving gear, and the connecting shaft is connected with the fixed base through a bearing.

[0017] In a possible implementation, a plurality of installation holes are formed in the adjusting disc, and the abrasive belt polishing mechanism can be installed and fixed on the adjusting disc of the second clamping mechanism.

[0018] In a possible implementation, a sliding groove is formed in an outer ring of the adjusting disc, a sliding strip is arranged on an inner wall of the fixed base, and the sliding strip of the fixed base is slidingly embedded in the sliding groove of the adjusting disc, and the adjusting disc can rotate relative to the fixed base under the driving of the motor reducer.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] 1. The abrasive belt polishing machine is designed and installed on the original machine tool holder, the workpiece is polished by the abrasive belt, the technical requirements of surface roughness are met with the smallest machining cost, the stainless steel sleeve can be directly finished on the lathe after the rudder lever and the rudder pin are sleeved, the technical requirements of precision and roughness are ensured, and the machining quality is ensured while the machining cost is reduced.

[0021] 2、The first clamping mechanism of the present application is clamped on the ring groove of the car, the connecting hole is drilled on the adjusting seat plate, then the method of fixing screw is used to connect, when the polishing machine is adjusted to the best angle, the fixing screw can rotate in the ring groove, then the nut is tightened to fix, the design is safe and reliable and can be flexibly adjusted.

[0022] 3、The present application adopts double expansion form, so that the driven pulley has an expansion force outward, so that the abrasive belt can be tightly held on the pulley during polishing, and the polishing stability is improved.

[0023] 4、The second clamping mechanism of the present application relies on the motor reducer as a power source to automatically adjust the polishing angle of the abrasive belt polishing machine, instead of manual adjustment, saving time and effort. DRAWINGS

[0024] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following preferred embodiments of the present application are described in detail with the help of the drawings.

[0025] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0026] Figure 2 It is a schematic diagram of the structure of the adjusting seat plate of the present application;

[0027] Figure 3 It is a schematic diagram of the structure of the clamping plate of the present application;

[0028] Figure 4 It is a schematic diagram of the assembly of the adjusting seat plate and the clamping plate of the present application;

[0029] Figure 5 It is a schematic diagram of the structure of the pulley support of the present application;

[0030] Figure 6 It is a schematic diagram of the structure of the spring seat of the present application;

[0031] Figure 7 It is a schematic diagram of the structure of the adjusting branch pipe of the present application;

[0032] Figure 8 It is a schematic diagram of the structure of one side of the second clamping mechanism of the present application;

[0033] Figure 9 It is a schematic diagram of the structure of the other side of the second clamping mechanism of the present application;

[0034] Figure 10 It is a schematic diagram of the structure of the adjusting disc of the present application;

[0035] Figure 11 It is a schematic diagram of the assembly of the adjusting disc and the fixed base of the present application.

[0036] In the figure: 1, main pulley; 2, cap; 3, support seat; 31, first locking screw; 32, assembly screw; 4, support rod; 5, driven pulley; 6, pulley shaft; 61, bearing; 62, locking nut; 63, circlip; 7, pulley bracket; 71, notch; 8, spring seat; 81, spring body; 9, adjusting branch pipe; 91, second locking screw; 10, adjusting block; 11, yoke; 12, adjusting cap; 13, fixed seat plate; 14, triangular reinforcing rib; 15, connecting seat plate; 16, adjusting seat plate; 161, connecting hole; 17, clamping plate; 171, annular groove; 18, clamping block; 19, motor seat plate; 20, fixing screw; 21, abrasive belt body; 22, first clamping mechanism; 23, second clamping mechanism; 24, abrasive belt polishing mechanism; 25, motor; 231, rack; 232, fixed base; 233, adjusting disc; 234, motor reducer; 235, driving gear; 236, connecting shaft; 237, driven gear; 2321, slide bar; 2331, mounting hole; 2332, sliding groove. DETAILED DESCRIPTION

[0037] The embodiment of the application provides a sand belt polishing machine with adjustable clamping angle. The sand belt polishing machine is designed and installed on the tool holder of the original machine tool. The workpiece is polished by the sand belt, so that the technical requirements of surface roughness are met with minimum processing cost. Since the sand belt polishing machine is added, the last finishing of the stainless steel sleeve can be directly performed on the lathe after the rudder lever and rudder pin are sleeved. The technical requirements of precision and roughness are ensured, the processing cost is reduced while the processing quality is ensured, and the technical problems in the background art are solved.

[0038] The technical scheme in the embodiment of the application is used for solving the problems in the background art, and the general idea is as follows:

[0039] Embodiment 1

[0040] Please refer to Figures 1-11The application provides a technical scheme: a sand belt polishing machine with adjustable clamping angle, which comprises a first clamping mechanism 22, a second clamping mechanism 23, a sand belt polishing mechanism 24 and a clamping block 18, the first clamping mechanism 22 and the second clamping mechanism 23 are used for mounting and fixing the sand belt polishing mechanism 24, the sand belt polishing mechanism 24 comprises a motor 25, a driving pulley 1, a driven pulley 5 and a sand belt body 21, the output shaft of the motor 25 is fixedly connected with the driving pulley 1, a supporting rod 4 is arranged between the driving pulley 1 and the driven pulley 5, the sand belt body 21 is wound on the outer rings of the driving pulley 1 and the driven pulley 5, the first clamping mechanism 22 comprises an adjusting seat plate 16 and a clamping plate 17, a plurality of connecting holes 161 are formed in the adjusting seat plate 16, an annular groove 171 is formed in the clamping plate 17, the adjusting seat plate 16 and the clamping plate 17 are fixedly connected through a fixing screw 20, the nut of the fixing screw 20 is invertedly arranged in the annular groove 171, the screw rod of the fixing screw 20 penetrates through the connecting holes 161, the clamping block 18 is used for mounting and fixing the first clamping mechanism 22 and the second clamping mechanism 23, the supporting rod 4 is internally provided with a spring seat 8, the spring seat 8 is connected with the supporting rod 4 through a joint cap 2 at one end close to the driving pulley 1, the supporting rod 4 is provided with an adjusting branch pipe 9 at one end close to the driven pulley 5, one end of the adjusting branch pipe 9 is connected with a pulley support 7, the driven pulley 5 is mounted on the pulley support 7, the spring seat 8 is provided with a spring body 81 at one end close to the pulley support 7, the spring body 81 is located in the interior of the supporting rod 4, and the spring body 81 enables the driven pulley 5 to have an outward expansion force.

[0041] The sand belt polishing machine is designed on the tool holder of the original machine tool, and the sand belt body 21 is used for polishing the workpiece finally, so that the technical requirement of surface roughness is met with minimum machining cost.

[0042] The motor 25 drives the driving pulley 1 to rotate when working, the driving pulley 1 drives the driven pulley 5 to rotate synchronously through the sand belt body 21, and then drives the sand belt body 21 to move, the sand belt body 21 contacts with the surface of the workpiece and grinds and polishes when rotating at high speed, and the sand belt body 21 can be replaced with different abrasive according to needs to adapt to different polishing requirements.

[0043] The sand belt body 21 adopts a sand belt with a circumference of 1650 mm and a width of 60, so that the polishing effect is ensured, the size of the polishing machine is determined, and the polishing machine can be used flexibly on the chuck.

[0044] In order to make the sand belt body 21 firmly hold on the driving pulley 1 and the driven pulley 5 during polishing, a double expansion form is adopted, first, the outer circle of the driving pulley 1 and the driven pulley 5 is poured with a thickness of 10mm rubber to increase the friction, second, the spring body 81 is added in the support rod 4, so that the driven pulley 5 has an outward expansion force, thereby stably polishing the workpiece surface, and the spring body 81 also facilitates the sand belt folding, so that the sand belt body 21 can be freely replaced during polishing of the workpiece, and the use rate of the sand belt body 21 is increased.

[0045] In order to enable the polishing machine to polish the workpiece at the best angle, while considering the gravity center of the motor 25, a 360-degree rotatable clamp, i.e. the first clamping mechanism 22, is designed, an annular groove 171 is drilled on the clamping plate 17 of the first clamping mechanism 22, a connecting hole 161 is drilled on the adjusting seat plate 16 of the first clamping mechanism 22, then the method of using the inverted fixing screw 20 is used for connection, when the nut is loosened, the position of the adjusting seat plate 16 relative to the clamping plate 17 is adjustable, so that when the polishing machine is adjusted to the best angle, the fixing screw 20 can rotate in the annular groove 171, and then the nut is tightened to fix, which is safe and reliable, flexible to adjust, reasonable in design, and more humanized and convenient to operate.

[0046] In some examples, the motor 25 includes a motor seat plate 19 fixedly installed on the adjusting seat plate 16, and the motor seat plate 19 can move synchronously with the adjusting seat plate 16 during the process of adjusting the polishing angle by the adjusting seat plate 16.

[0047] In some examples, the adjusting seat plate 16 is fixedly provided with a connecting seat plate 15, the connecting seat plate 15 is fixedly connected with a fixed seat plate 13, and a triangular reinforcing rib 14 is fixedly arranged between the fixed seat plate 13 and the connecting seat plate 15, and the support rod 4 is stably supported by the adjusting seat plate 16, the connecting seat plate 15 and the triangular reinforcing rib 14.

[0048] In some examples, the support rod 4 is connected with the fixed seat plate 13 through a support seat 3, the support seat 3 is fixedly connected with the fixed seat plate 13 through an assembly screw 32, and the support seat 3 is fixedly connected with the support rod 4 through a plurality of first locking screws 31.

[0049] The support rod 4 is fixedly installed on the support seat 3 through the first locking screw 31, and then the support seat 3 is installed and fixed on the fixed seat plate 13 by using the assembly screw 32, so as to realize the assembly between the support rod 4 and the fixed seat plate 13, and the support seat 3 and the support rod 4 are detachably connected, and the support seat 3 and the fixed seat plate 13 are detachably connected, and the components are detachable, which is beneficial to maintenance.

[0050] In some examples, the outer part of the support rod 4 is provided with an adjusting block 10, one side of the adjusting block 10 is provided with an adjusting cap 12, the adjusting block 10 and the adjusting branch pipe 9 are provided with a yoke 11, the support rod 4 and the adjusting branch pipe 9 are connected through a second locking screw 91, and the adjusting branch pipe 9 and the support rod 4 are detachably connected.

[0051] In some examples, a notch 71 is formed in the pulley bracket 7, a pulley shaft 6 is installed on the pulley bracket 7, the pulley shaft 6 penetrates the driven pulley 5 and the notch 71 of the pulley bracket 7, the pulley shaft 6 is fixedly connected between one end and the pulley bracket 7 through a locking nut 62, and the other end of the pulley shaft 6 and the pulley bracket 7 are provided with a circlip 63.

[0052] The driven pulley 5 is installed on the pulley bracket 7, the driven pulley 5 is supported by the pulley bracket 7, and the driven pulley 5 can rotate relative to the pulley bracket 7, and the circlip 63 prevents the pulley shaft 6 from moving.

[0053] In some examples, the pulley shaft 6 and the driven pulley 5 are connected through a bearing 61, the bearing 61 includes a cover plate, the cover plate of the bearing 61 can effectively prevent foreign matters such as external dust and particulate matter from entering the inside of the bearing 61, thereby protecting the rolling body and the raceway from damage, maintaining the normal operation of the bearing 61 and prolonging the service life.

[0054] By adopting the above technical scheme:

[0055] The sand belt type polishing machine is designed and installed on the original machine tool tool holder, the workpiece is polished by using the sand belt body 21, the technical requirements of surface roughness are met with the smallest processing cost, since the sand belt type polishing machine is added, the last finishing of the stainless steel sleeve can be directly performed on the lathe after the rudder lever rudder pin is red sleeved, not only the technical requirements of precision and roughness are ensured, but also the processing cost is reduced while the processing quality is ensured.

[0056] The outer circle of the driving pulley 1 and the driven pulley 5 is poured with a 10mm thick rubber, the friction force is increased, the spring body 81 is added in the support rod 4, the driven pulley 5 has an outward expansion force, the double expansion form is adopted, the sand belt body 21 can be tightly held on the driving pulley 1 and the driven pulley 5 during polishing, and the polishing stability is improved.

[0057] The clamping plate 17 of the first clamping mechanism 22 is provided with an annular groove 171, the adjusting seat plate 16 of the first clamping mechanism 22 is provided with a connecting hole 161, then the reverse fixing screw 20 is used for connection, when the polishing machine is adjusted to the best angle, the fixing screw 20 can rotate in the annular groove 171, then the nut is tightened to fix, and the design is safe and reliable and can be flexibly adjusted.

[0058] Example 2:

[0059] Based on the embodiment 1, this embodiment introduces a specific structure of the second clamping mechanism 23 in the sand belt polishing machine with adjustable clamping angle, the second clamping mechanism 23 comprises a rack 231, the rack 231 is fixedly connected with a fixed base 232, the fixed base 232 is provided with an adjusting disc 233, the rack 231 is installed and fixed with a motor reducer 234, the output shaft of the motor reducer 234 is fixedly connected with a driving gear 235 through a shaft coupling, one end of the adjusting disc 233 is welded and fixed with a connecting shaft 236, the connecting shaft 236 is fixedly connected with a driven gear 237, the driven gear 237 is engaged with the driving gear 235, and the connecting shaft 236 is connected with the fixed base 232 through a bearing 61.

[0060] The sand belt polishing mechanism 24 can be installed and fixed on the adjusting disc 233 of the second clamping mechanism 23, when the motor reducer 234 of the second clamping mechanism 23 works, the driving gear 235 at one end thereof is driven to rotate, and through the transmission between the teeth and the teeth, the driven gear 237 is synchronously driven to rotate, the driven gear 237 drives the connecting shaft 236, the connecting shaft 236 drives the adjusting disc 233, the adjusting disc 233 drives the sand belt polishing mechanism 24, and the automatic adjustment of the polishing angle of the sand belt polishing mechanism 24 is realized.

[0061] In some examples, a plurality of installation holes 2331 are formed on the adjusting disc 233, and the sand belt polishing mechanism 24 can be installed and fixed on the adjusting disc 233 of the second clamping mechanism 23.

[0062] In some examples, a sliding groove 2332 is formed on the outer ring of the adjusting disc 233, a sliding strip 2321 is arranged on the inner wall of the fixed base 232, and the sliding strip 2321 of the fixed base 232 is slidingly embedded in the sliding groove 2332 of the adjusting disc 233, and the adjusting disc 233 can be rotated relative to the fixed base 232 under the driving of the motor reducer 234.

[0063] Through the above technical scheme:

[0064] The second clamping mechanism 23 relies on the motor reducer 234 as a power source to automatically adjust the polishing angle of the sand belt polishing machine, the rotation number and the rotation direction of the output shaft of the motor reducer 234 are controlled to accurately adjust the polishing angle of the sand belt polishing mechanism 24, and manual adjustment is replaced, thereby saving time and effort.

[0065] It should be pointed out finally that the above embodiments are merely examples for clearly illustrating the present application and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. It is unnecessary and impossible to enumerate all the embodiments. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An angle-adjustable abrasive belt sander comprising a first clamping mechanism (22), a second clamping mechanism (23), an abrasive belt polishing mechanism (24) and a clamping block (18), characterized in that: The first clamping mechanism (22) or the second clamping mechanism (23) is used for mounting the fixed abrasive belt polishing mechanism (24), the abrasive belt polishing mechanism (24) comprises a motor (25), a driving pulley (1), a driven pulley (5) and an abrasive belt body (21), the output shaft of the motor (25) is fixedly connected with the driving pulley (1), the driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pulley (5) are provided with a support rod (4), the first driving pulley (1) and the driven pul 2. The angle-adjustable abrasive belt sander of claim 1, wherein: ​ 3. The angle-adjustable abrasive belt sander of claim 2, wherein: ​ 4. The angle-adjustable abrasive belt sander of claim 3, wherein: The support rod (4) is connected with the fixed seat plate (13) through the support base (3), the support base (3) is fixedly connected with the fixed seat plate (13) through the assembly screw (32), and the support base (3) is fixedly connected with the support rod (4) through a plurality of first locking screws (31).

5. The angle-adjustable abrasive belt sander of claim 1, wherein: The pulley shaft (6) is connected with the driven pulley (5) through the bearing (61), and the bearing (61) comprises a cover plate.

6. The angle-adjustable abrasive belt sander of claim 1, wherein: The second clamping mechanism (23) comprises a rack (231), the rack (231) is fixedly connected with a fixed base (232), an adjusting disc (233) is arranged on the fixed base (232), a motor reducer (234) is installed and fixed on the rack (231), the output shaft of the motor reducer (234) is fixedly connected with a driving gear (235) through a shaft coupling, one end of the adjusting disc (233) is welded with a connecting shaft (236), the connecting shaft (236) is fixedly connected with a driven gear (237), the driven gear (237) is engaged with the driving gear (235), and the connecting shaft (236) is connected with the fixed base (232) through the bearing (61).

7. The angle-adjustable abrasive belt sander of claim 6, wherein: A plurality of mounting holes (2331) are formed in the adjusting disc (233).

8. The angle-adjustable abrasive belt sander of claim 7, wherein: A sliding groove (2332) is formed in the outer ring of the adjusting disc (233), and a sliding strip (2321) is arranged on the inner wall of the fixed base (232), and the sliding strip (2321) of the fixed base (232) is slidingly embedded in the sliding groove (2332) of the adjusting disc (233). A plurality of mounting holes (2331) are formed in the adjusting disc (233). A sliding groove (2332) is formed in the outer ring of the adjusting disc (233), and a sliding strip (2321) is arranged on the inner wall of the fixed base (232), and the sliding strip (2321) of the fixed base (232) is slidingly embedded in the sliding groove (2332) of the adjusting disc (233).

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