Rapidly-assembled narrow-band type sanding machine

Abstract

The utility model relates to a quick assembly narrow band type sander, including machine body main part, work head subassembly, work head subassembly includes movable support, support rod, self-locking button and top plate, movable support is provided with adjusting groove, the bottom of adjusting groove is provided with self-locking button mounting groove, the support rod is provided with push groove, the push groove is provided with self-locking button mounting groove, and the self-locking button mounting groove is provided with self-locking button mounting groove. The bottom of the adjusting groove is provided with an adjusting long hole, and the pushing groove is sleeved with the adjusting groove. The self-locking button comprises a button part, a lock body and lock teeth located on the upper portion of the lock body, a lock tooth clamping part matched with the lock teeth is arranged on the side wall of the pushing groove, a first spring is arranged in the lock body in a sleeved mode, a second spring is installed between the button part and the lock teeth and in the adjusting groove, and when the second spring is in a tightening state, the first spring is clamped with the lock teeth. When the second spring is in a loose state, the lock teeth are located in the lock tooth clamping part, when the second spring is in a loose state, the lock teeth are far away from the lock tooth clamping part, and the top of the lock body is located in the lock body positioning groove. According to the abrasive paper assembling device, abrasive paper assembling can be rapidly and conveniently achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric tools, and particularly relates to a narrow-belt type sander capable of being quickly assembled. BACKGROUND

[0002] The narrow-belt sander, also known as a sanding machine, is an important device commonly used in the wood processing industry. This sander has a unique design and can perform efficient surface sanding operations, reducing damage to raw materials.

[0003] Firstly, the narrow-belt sander is manufactured using precise technology, has a compact structure, and a scientific design, making it easy to transport and install. Its working principle is mainly to use a high-speed rotating sand belt to polish the surface of wood, thereby removing surface defects and irregularities to achieve a smooth surface effect.

[0004] The narrow-belt sander has high efficiency and low damage sanding capabilities. This is because it uses special sand belt materials and precise sanding speed control technology to ensure that impurities on the surface of the wood are effectively removed while minimizing damage to the wood. In addition, it has excellent wear resistance, long service life, and low maintenance costs, providing users with better use experience and economic benefits.

[0005] In practical applications, the narrow-belt sander is widely used in furniture manufacturing, floor manufacturing, and wood product processing. Due to its high efficiency and low damage characteristics, it can help manufacturers complete a large amount of wood surface treatment work in a short time while ensuring product quality. In addition, since the machine is easy to operate, ordinary workers can operate it after simple training, greatly reducing labor costs.

[0006] Chinese patent CN208575667U discloses a multifunctional sander. It includes a sander body, a handrail assembly is arranged on the sander body, the handrail assembly includes a connecting block, a left handrail, a right handrail, a first bolt, a second bolt, and a bolt cap. The connecting block is integrally formed on the rear side wall of the sander body, a first through hole is formed on the connecting block, a threaded hole is formed on the outer side of one end of the left handrail and the right handrail, a second through hole is formed on the inner side of one end of the left handrail, a third through hole is formed on the inner side of one end of the right handrail, the outer side of one end of the left handrail and the outer side of one end of the right handrail are tightly matched through the cooperation of the first bolt and the threaded hole, and the second bolt is sequentially threaded through the second through hole, the first through hole, and the third through hole and then threadedly connected with the bolt cap. The utility model increases the handrail assembly on the sander to provide an additional stress point, allowing the operator to apply force to the sander at multiple points, reducing the force applied. However, it is not easy to install the sandpaper, which requires a lot of time. SUMMARY

[0007] The utility model wants to solve the technical problem to provide a narrow belt type sander of quick assembly, when needing to install and change sand paper, the assembly of sand paper is realized quickly and conveniently.

[0008] The utility model provides a narrow belt type sander of quick assembly, including body main part, work head subassembly, body main part is connected with work head subassembly rotation, work head subassembly includes movable support, support rod, self locking button and top plate, movable support is equipped with adjusting groove, adjusting groove bottom is equipped with self locking button installation groove, support rod is equipped with push groove, and its bottom is equipped with adjusting long hole, push groove is covered and is located in adjusting groove, self locking button includes button part, lock body and the lock tooth on the upper portion of lock body, push groove side wall is equipped with the lock tooth snap -fit portion with the lock tooth, the first spring is covered and located in the lock body, and the first spring is located between button part and lock tooth, lock body passes self locking button installation groove and adjusting long hole in proper order, push groove top is equipped with spring stop portion, adjusting groove is installed with second spring, one end of second spring is opposite with adjusting groove bottom, and the other end is opposite with spring stop portion, top plate fixed mounting is in push groove top, and top plate is equipped with the lock body positioning groove with lock body, when second spring is in the state of tightening, lock tooth is located in lock tooth snap -fit portion, when second spring is in the state of relaxation, lock tooth is away from lock tooth snap -fit portion, and lock body top is located in lock body positioning groove.

[0009] Preferably, the work head assembly is installed with sand paper.

[0010] Preferably, the movable support is provided with a first conveying wheel, the first conveying wheel is located at one end close to the bottom of the adjusting groove, the support rod is provided with a second conveying wheel, the second conveying wheel is located at one end away from the push groove, and the sand paper is assembled in the first conveying wheel and the second conveying wheel.

[0011] Preferably, the movable support is provided with a sand paper mounting groove, the sand paper mounting groove wraps the adjusting groove and the first conveying wheel, and both have gaps.

[0012] Preferably, the sand paper mounting groove is provided with a dust outlet.

[0013] Preferably, it further comprises a cover plate, and the cover plate is installed above the top plate.

[0014] The utility model has the following technical effects:

[0015] The push groove is pushed to the adjusting groove direction, the second spring is in the tightening state, the self-locking button lock tooth falls into the push groove lock tooth clamping part, the push force of the push groove given by the second spring makes the self-locking button lock tooth fixed in the lock tooth clamping part, the position of the push groove is fixed, the push groove remains in the shortened state, and the sandpaper is convenient to disassemble and install. After the sandpaper is placed, the self-locking button is pressed, the lock tooth is separated from the lock tooth clamping part, the top of the lock body enters the lock body positioning groove, under the action force of the second spring, the push groove returns to the original state, and the sandpaper is quickly tightened. When the sandpaper needs to be installed and replaced, the assembly of the sandpaper is quickly and conveniently realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a part structure diagram of a working head assembly of a narrow belt type sander of a quick assembly.

[0017] Figure 2 It is another part structure diagram of a working head assembly of a narrow belt type sander of a quick assembly.

[0018] Figure 3 It is a structure schematic diagram of a narrow belt type sander of a quick assembly.

[0019] Figure 4 It is a cross-sectional structure schematic diagram of a narrow belt type sander of a quick assembly.

[0020] Figure 5 It is a structure schematic diagram of a self-locking button of a narrow belt type sander of a quick assembly.

[0021] Figure 6 It is a structure schematic diagram of a supporting rod of a narrow belt type sander of a quick assembly.

[0022] In the drawing: 1, main body of machine; 2, working head assembly; 3, movable support; 4, supporting rod; 5, self-locking button; 6, top plate; 7, adjusting groove; 8, self-locking button installation groove; 9, push groove; 10, adjusting long hole; 51, button part; 52, lock body; 53, lock tooth; 10, sandpaper; 11, first conveying wheel; 12, second conveying wheel; 13, sandpaper installation groove; 14, dust outlet; 15, cover plate; 16, first spring; 17, spring blocking part; 18, second spring; 19, lock body positioning groove; 20, lock tooth clamping part. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is specifically described below in combination with the drawings.

[0024] As Figures 1 to 6As shown, a quick assembly narrow belt sander comprises a machine body 1, a working head assembly 2, the machine body 1 is rotatably connected with the working head assembly 2; the working head assembly 2 comprises a movable support 3, a supporting rod 4, a self-locking button 5 and a top plate 6, the movable support 3 is provided with an adjusting groove 7, the bottom of the adjusting groove 7 is provided with a self-locking button mounting groove 8, the supporting rod 4 is provided with a pushing groove 9, the bottom of the pushing groove 9 is provided with an adjusting long hole 10, the pushing groove 9 is sleeved in the adjusting groove 7; the self-locking button 5 comprises a button part 51, a lock body 52 and a lock tooth 53 located at the upper part of the lock body 52, the side wall of the pushing groove 9 is provided with a lock tooth clamping part 20 matched with the lock tooth 53, a first spring 16 is sleeved in the lock body 52, the first spring 16 is located between the button part 51 and the lock tooth 53, the lock body 52 sequentially passes through the self-locking button mounting groove 8 and the adjusting long hole 10, the top of the pushing groove 9 is provided with a spring blocking part 17, a second spring 18 is installed in the adjusting groove 7, one end of the second spring 18 abuts against the bottom of the adjusting groove 7, and the other end of the second spring 18 abuts against the spring blocking part 17; the top plate 6 is fixedly installed above the pushing groove 9, the top plate 6 is provided with a lock body positioning groove 19 matched with the lock body 52; when the second spring 18 is in a tightening state, the lock tooth 53 is located in the lock tooth clamping part 20, when the second spring 18 is in a loosening state, the lock tooth 53 is away from the lock tooth clamping part 20, and the top of the lock body 52 is located in the lock body positioning groove 19. Pushing the pushing groove 9 to the adjusting groove 7 direction, so that the second spring 18 is in a tightening state, the lock tooth 53 of the self-locking button 5 falls into the lock tooth clamping part 20 of the pushing groove 9, the pushing force of the second spring 18 to the pushing groove 9 makes the lock tooth 53 of the self-locking button 5 fixed in the lock tooth clamping part 20, so as to fix the position of the pushing groove 9, so that the pushing groove 9 remains in a shortened state, and the sandpaper 10 is convenient to disassemble and install. After the sandpaper 10 is placed, the self-locking button 5 is pressed, the lock tooth 53 is separated from the lock tooth clamping part 20, the top of the lock body 52 enters the lock body positioning groove 19, under the action of the second spring 18, the pushing groove 9 returns to the original state, and the sandpaper 10 is quickly tightened. When it is necessary to install and replace the sandpaper 10, the sandpaper 10 can be quickly and conveniently assembled.

[0025] The sandpaper 10 is installed in the working head assembly 2.

[0026] The movable support 3 is provided with a first conveying wheel 11 located at one end close to the bottom of the adjusting groove 7, the supporting rod 4 is provided with a second conveying wheel 12 located at one end away from the pushing groove 9, and the sandpaper 10 is assembled in the first conveying wheel 11 and the second conveying wheel 12. The sandpaper 10 is rotated through the first conveying wheel 11 and the second conveying wheel 12

[0027] The movable support 3 is provided with a sandpaper mounting groove 13 wrapping the adjusting groove 7 and the first conveying wheel 11, and there is a gap between them. The sandpaper 10 is convenient to install

[0028] The sandpaper mounting groove 13 is provided with a dust outlet 14 to prevent dust from flying around.

[0029] It also includes a cover plate 15 mounted above the top plate 6.

[0030] The method for using the quick assembly narrow belt sander is as follows:

[0031] When mounting the sandpaper 10, the pushing groove 9 is pushed towards the adjusting groove 7, the second spring 18 is in a tightened state, the locking tooth 53 of the self-locking button 5 falls into the locking tooth clamping part 20 of the pushing groove 9, the pushing force of the second spring 18 to the pushing groove 9 makes the locking tooth 53 of the self-locking button 5 fixed in the locking tooth clamping part 20, thereby fixing the position of the pushing groove 9, the pushing groove 9 remains in a shortened state, the sandpaper 10 is sleeved in the first conveying wheel 11 and the second conveying wheel 12, after the sandpaper 10 is placed, the self-locking button 5 is pressed, the locking tooth 53 is separated from the locking tooth clamping part 20, the top of the lock body 52 enters the lock body positioning groove 19, under the action of the second spring 18, the pushing groove 9 returns to the original state, the sandpaper 10 is quickly tightened, and the mounting of the sandpaper 10 is realized.

[0032] When replacing the sandpaper 10, the pushing groove 9 is pushed towards the adjusting groove 7, the old sandpaper 10 is in a disengaged state, the pushing groove 9 makes the second spring 18 in a tightened state, the locking tooth 53 of the self-locking button 5 falls into the locking tooth clamping part 20 of the pushing groove 9, the pushing force of the second spring 18 to the pushing groove 9 makes the locking tooth 53 of the self-locking button 5 fixed in the locking tooth clamping part 20, thereby fixing the position of the pushing groove 9, the pushing groove 9 remains in a shortened state, the old sandpaper 10 is removed, the new sandpaper 10 is sleeved in the first conveying wheel 11 and the second conveying wheel 12, after the new sandpaper 10 is placed, the self-locking button 5 is pressed, the locking tooth 53 is separated from the locking tooth clamping part 20, the top of the lock body 52 enters the lock body positioning groove 19, under the action of the second spring 18, the pushing groove 9 returns to the original state, the new sandpaper 10 is quickly tightened, and the replacement of the sandpaper 10 is realized.

[0033] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. A quick assembly narrow belt sander characterized by: The utility model provides a sanding machine, including fuselage main body, work head subassembly, the fuselage main body is connected with work head subassembly rotation, work head subassembly includes movable support, support rod, self locking button and top plate, movable support is equipped with adjusting groove, adjusting groove bottom is equipped with self locking button installation groove, support rod is equipped with push groove, push groove bottom is equipped with adjusting long hole, push groove is equipped in adjusting groove, self locking button includes button part, lock body and the lock tooth in the upper portion of lock body, push groove side wall is equipped with the lock tooth engagement portion of matching with lock tooth, the first spring is equipped in lock body, the first spring is located between button part and lock tooth, lock body passes self locking button installation groove and adjusting long hole in proper order, push groove top is equipped with spring stop portion, adjusting groove is installed with second spring, one end of second spring and adjusting groove bottom are opposite, and the other end and spring stop portion are opposite, top plate fixed mounting is in push groove top, top plate is equipped with the lock body positioning groove of matching with lock body, when second spring is in the state of tightening, lock tooth is located in lock tooth engagement portion, when second spring is in the state of relaxation, lock tooth is away from lock tooth engagement portion, and lock body top is located in lock body positioning groove.

2. A quick assembly narrow belt sander according to claim 1, characterized in that: The work head subassembly is installed with sandpaper.

3. A quick assembly narrow belt sander according to claim 2, characterized in that: The movable support is equipped with a first conveying wheel, and the first conveying wheel is located at one end close to the bottom of the adjusting groove.

4. A quick assembly narrow belt sander according to claim 3, characterized in that: The support rod is equipped with a second conveying wheel, and the second conveying wheel is located at one end away from the push groove.

5. A quick assembly narrow belt sander according to claim 4, characterized in that: The sandpaper is assembled in the first conveying wheel and the second conveying wheel.

6. A quick assembly narrow belt sander as claimed in claim 1, wherein: The movable support is equipped with a sandpaper mounting groove, and the sandpaper mounting groove wraps the adjusting groove and the first conveying wheel, and there is a gap between them. The sandpaper mounting groove is provided with a dust outlet. It further comprises a cover plate installed above the top plate.

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