A grinding device for stair handrail processing

Abstract

The utility model discloses a grinding device for stair handrail processing, including a workbench and a bowl-shaped block, a top-pressing mechanism is provided on the right side of the top of the workbench, a grinding mechanism is provided on the left side of the top of the workbench, and the grinding mechanism includes: a clamping assembly, including a support seat installed on the left side of the top of the workbench, a device box is installed on the top of the support seat, a clamping motor is installed at the bottom of the inner cavity of the device box, one end of the output shaft of the clamping motor is fixedly connected to a worm through a coupling, and the surface of the worm enables the gear rod to slide through a transmission assembly. The utility model relates to the technical field of stair handrail processing. The grinding device for stair handrail processing clamps the bowl-shaped block by providing a clamping assembly, and then cooperates with the top-pressing mechanism to clamp and fix the wooden stair handrail. Different module plates are fixed by the clamping assembly, so that wooden stair handrails of different shapes can be clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of stair handrail processing, in particular to a grinding device for stair handrail processing. Background Art

[0002] The reference patent name is: A grinding device for processing stair handrails (patent publication number: CN217860598U, patent publication date: 2022.11.22), including a grinding device main body, vents are provided at the left and right positions on the front side of the grinding device main body, a switch is provided at the front center position of the grinding device main body, a support column is provided at the lower side position of the grinding device main body, a base is provided at the lowest position of the support column, a pressure rod is provided at the front and rear end positions of the upper left part of the base, and a threaded rod is provided at the connection position of the fixed block and the roller. The user can turn the roller to pull the sandpaper and tighten the sandpaper, and then tighten the nut to fix the roller, so that the sandpaper can be installed flatly on the lower side of the base without wrinkles. When using the grinding device to process the stair handrails, the user can push the grinding device main body more effortlessly through the wheels at the lowermost side of the auxiliary device, and a drawer is provided on the inside of the auxiliary device, and items can be stored in the drawer to save space.

[0003] However, when implementing the above technical solution, there are the following problems: the grinding device in the above technical solution needs to repeatedly adjust the position of the workpiece when grinding the wooden stair handrail, and it is generally more convenient to grind the relatively flat surface of the stair handrail, but the existing wooden stair handrails have different shapes and their surfaces have multiple groups of irregular arc surfaces. At this time, the above grinding device cannot effectively grind the arc surface. For this reason, the utility model provides a grinding device for stair handrail processing. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a grinding device for stair handrail processing, which solves the problem that the existing wooden stair handrails have different shapes and their surfaces have multiple groups of irregular arc surfaces, and the existing grinding devices cannot effectively grind the arc surfaces of the stair handrail surfaces.

[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme: a grinding device for stair handrail processing, comprising a workbench and a bowl-shaped block, a top pressing mechanism is provided on the right side of the top of the workbench, and a grinding mechanism is provided on the left side of the top of the workbench, and the grinding mechanism comprises:

[0006] The clamping assembly comprises a support seat installed on the left side of the top of the workbench, a device box is installed on the top of the support seat, a clamping motor is installed at the bottom of the inner cavity of the device box, one end of the output shaft of the clamping motor is fixedly connected to a worm through a coupling, the surface of the worm enables the gear rod to slide through the transmission assembly, and the surface of the gear rod enables the clamping rod to slide through the linkage assembly;

[0007] The rotating assembly is installed inside the equipment box.

[0008] Preferably, the transmission assembly includes a transmission rod rotatably mounted on the inner wall of the equipment box, the surface of the transmission rod is fixedly connected to a worm wheel and a transmission gear, the surface of the worm wheel meshes with the surface of the worm, and the surface of the transmission gear meshes with the surface of the gear rod.

[0009] Preferably, the linkage assembly includes a linkage box rotatably arranged on the right side of the equipment box, the interior of the linkage box is rotatably connected to a bidirectional screw rod, the surface of the bidirectional screw rod is fixedly connected to a linkage gear, the surface of the linkage gear is meshed with the surface of the gear rod, and the surface of the bidirectional screw rod is threadedly connected to the other end of the clamping rod.

[0010] Preferably, the rotating assembly includes a rotating motor installed at the bottom of the inner cavity of the device box, one end of the output shaft of the rotating motor is fixedly connected to a rotating gear through a coupling, and the surface of the rotating gear causes the clamping rod to rotate through the control assembly.

[0011] Preferably, the control assembly includes a control rod rotatably mounted inside the device box, a control gear is mounted on the surface of the control rod, the surface of the control gear meshes with the surface of the rotating gear, and the surface of the control rod is slidably connected to the inside of the gear rod.

[0012] Preferably, the pressing mechanism includes a pressing motor installed on the right side of the top of the workbench, one end of the output shaft of the pressing motor is fixedly connected to a threaded rod through a coupling, the surface of the threaded rod is threadedly connected to a mounting seat, and the left side of the mounting seat is rotatably connected to a conical rod.

[0013] Beneficial Effects

[0014] The utility model provides a grinding device for stair handrail processing. Compared with the prior art, it has the following beneficial effects:

[0015] (1) The grinding device for stair handrail processing is provided with a clamping assembly to clamp the bowl-shaped block, and then cooperates with a pressing mechanism to clamp and fix the wooden stair handrail. Different module plates are fixed by the clamping assembly, so that wooden stair handrails of different shapes can be clamped.

[0016] (2) The grinding device for stair handrail processing is provided with a rotating component to realize the rotation of the wooden stair handrail in a clamped state, so that the staff can quickly grind the irregular curved surface of the wooden stair handrail by hand-held grinding device or sandpaper, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the external structure of the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of the internal structure of the device box of the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the transmission assembly of the utility model;

[0020] Figure 4 It is a three-dimensional schematic diagram of the clamping assembly of the utility model.

[0021] In the figure: 1-workbench, 2-bowl-shaped block, 3-pressing mechanism, 31-pressing motor, 32-threaded rod, 33-mounting seat, 34-tapered rod, 4-grinding mechanism, 41-clamping assembly, 411-support seat, 412-equipment box, 413-clamping motor, 414-worm, 415-tooth rod, 416-clamping rod, 42-rotating assembly, 421-rotating motor, 422-rotating gear, 5-transmission assembly, 51-transmission rod, 52-worm gear, 53-transmission gear, 6-linkage assembly, 61-linkage box, 62-bidirectional screw rod, 63-linkage gear, 7-control assembly, 71-control rod, 72-control gear. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 , the utility model provides two technical solutions:

[0024] Embodiment 1

[0025] A grinding device for stair handrail processing includes a workbench 1 and a bowl-shaped block 2. The bowl-shaped block 2 is used to clamp a wooden stair handrail with a spherical top. By replacing different module plates, wooden stair handrails of different shapes can be clamped. A pressing mechanism 3 is provided on the right side of the top of the workbench 1, and a grinding mechanism 4 is provided on the left side of the top of the workbench 1. The grinding mechanism 4 includes:

[0026] The clamping assembly 41 comprises a support base 411 installed on the left side of the top of the workbench 1, a device box 412 is installed on the top of the support base 411, a clamping motor 413 is installed at the bottom of the inner cavity of the device box 412, the clamping motor 413 is a three-phase asynchronous motor, the clamping motor 413 is connected to the external circuit through wires, one end of the output shaft of the clamping motor 413 is fixedly connected to a worm 414 through a coupling, the surface of the worm 414 makes the gear rod 415 slide through the transmission assembly 5, the surface of the gear rod 415 makes the clamping rod 416 slide through the linkage assembly 6, and one end of the clamping rod 416 is installed with a clamping block;

[0027] The rotating assembly 42 is installed inside the device box 412. The right side of the device box 412 is provided with a slot hole to facilitate the sliding of the gear rod 415. The transmission assembly 5 includes a transmission rod 51 rotatably installed on the inner wall of the device box 412. The surface of the transmission rod 51 is fixedly connected with a worm wheel 52 and a transmission gear 53. The surface of the worm wheel 52 meshes with the surface of the worm 414. The surface of the transmission gear 53 meshes with the surface of the gear rod 415. The linkage assembly 6 includes a linkage box 61 rotatably arranged on the right side of the device box 412. The right side of the linkage box 61 is provided with a slide groove. The clamping rod 4 16 slides on the inner surface of the slide groove, the internal rotation of the linkage box 61 is connected with a two-way screw rod 62, the surface of the two-way screw rod 62 is fixedly connected with a linkage gear 63, the surface of the linkage gear 63 is meshed with the surface of the gear rod 415, and the surface of the two-way screw rod 62 is threadedly connected with the other end of the clamping rod 416. The bowl-shaped block 2 is clamped by providing a clamping assembly 41, and then the top pressing mechanism 3 is cooperated to clamp and fix the wooden stair handrail. Different module boards are fixed by the clamping assembly 41, so that wooden stair handrails of different shapes can be clamped.

[0028] Embodiment 2

[0029] The main difference from the first embodiment is:

[0030] A grinding device for stair handrail processing, wherein the rotating assembly 42 includes a rotating motor 421 installed at the bottom of the inner cavity of the equipment box 412, the rotating motor 421 is a three-phase asynchronous motor, the rotating motor 421 is connected to the external circuit through wires, one end of the output shaft of the rotating motor 421 is fixedly connected to a rotating gear 422 through a coupling, the surface of the rotating gear 422 causes the clamping rod 416 to rotate through the control assembly 7, the control assembly 7 includes a control rod 71 rotatably installed inside the equipment box 412, one end of the control rod 71 is fixedly connected to the inner wall of the linkage box 61 for realizing the synchronous rotation of the linkage box 61, the surface of the control rod 71 is installed with a control gear 72, the surface of the control gear 72 is meshed with the surface of the rotating gear 422, the surface of the control rod 71 is slidably connected to the inside of the gear rod 415, the control rod 71 slides and rotates with the gear rod 415, and the top pressing mechanism 3 The invention comprises a top pressure motor 31 installed on the right side of the top of the workbench 1. The top pressure motor 31 is a three-phase asynchronous motor. The top pressure motor 31 is connected to the external circuit through wires. One end of the output shaft of the top pressure motor 31 is fixedly connected to a threaded rod 32 through a coupling. One end of the threaded rod 32 is rotatably connected to the top of the workbench 1 through a connecting plate. The surface of the threaded rod 32 is threadedly connected to a mounting seat 33. A slide rail is installed on the right side of the top of the workbench 1. The mounting seat 33 slides on the surface of the slide rail. The left side of the mounting seat 33 is rotatably connected to a conical rod 34. By providing a rotating component 42, the rotation of the wooden stair handrail in the clamping state is realized, so that the staff can quickly grind the irregular curved surface of the wooden stair handrail by a handheld grinding device or sandpaper, thereby improving work efficiency. At the same time, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] During operation, first, the worm 414 is driven to rotate by starting the clamping motor 413. The rotation of the worm 414 causes the worm wheel 52, the transmission gear 53 and the transmission rod 51 to rotate. The rotation of the transmission gear 53 causes the gear rod 415 to slide on the surface of the control rod 71. The sliding of the gear rod 415 causes the linkage gear 63 and the two-way screw rod 62 to rotate inside the linkage box 61. The rotation of the two-way screw rod 62 causes the clamping rods 416 on both sides to slide to the opposite sides synchronously. The clamping block at one end of the clamping rod 416 clamps the cylindrical end of the bowl-shaped block 2. Then, the spherical end of the wooden stair handrail is placed inside the bowl-shaped block 2. The positioning hole opened at the other end of the wooden stair handrail is aligned with the tapered rod 34. Then, By starting the top pressure motor 31, the threaded rod 32 is driven to rotate. The rotation of the threaded rod 32 makes the mounting seat 33 slide on the surface of the slide rail. The sliding of the mounting seat 33 makes the tapered rod 34 insert into the positioning hole, thereby realizing the top pressure on the wooden stair handrail and the clamping and fixing of the stair handrail. Then, by starting the rotating motor 421, the rotating gear 422 is driven to rotate. The rotation of the rotating gear 422 drives the control gear 72, the linkage box 61, the clamping rod 416, the bowl-shaped block 2 and the wooden stair handrail to rotate synchronously, so that the tapered rod 34 rotates inside the mounting seat 33. When the wooden stair handrail rotates, the staff can use a handheld grinding device or sandpaper to grind the irregular arc surface of the stair handrail.

[0032] 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.

[0033] 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 grinding device for stair handrail processing, comprising a workbench (1) and a bowl-shaped block (2), characterized in that: A pressing mechanism (3) is provided on the right side of the top of the workbench (1), and a grinding mechanism (4) is provided on the left side of the top of the workbench (1). The grinding mechanism (4) comprises: The clamping assembly (41) comprises a support base (411) installed on the left side of the top of the workbench (1), a device box (412) is installed on the top of the support base (411), a clamping motor (413) is installed at the bottom of the inner cavity of the device box (412), one end of the output shaft of the clamping motor (413) is fixedly connected to a worm (414) through a coupling, the surface of the worm (414) causes a gear rod (415) to slide through a transmission assembly (5), and the surface of the gear rod (415) causes a clamping rod (416) to slide through a linkage assembly (6); The rotating assembly (42) is installed inside the equipment box (412).

2. A stair handrail grinding device according to claim 1, characterized in that: The transmission assembly (5) includes a transmission rod (51) rotatably mounted on the inner wall of the device box (412); a worm wheel (52) and a transmission gear (53) are fixedly connected to the surface of the transmission rod (51); the surface of the worm wheel (52) meshes with the surface of the worm (414); and the surface of the transmission gear (53) meshes with the surface of the gear rod (415).

3. A stair handrail grinding device according to claim 1, characterized in that: The linkage assembly (6) includes a linkage box (61) rotatably arranged on the right side of the device box (412); a bidirectional screw rod (62) is rotatably connected inside the linkage box (61); a linkage gear (63) is fixedly connected to the surface of the bidirectional screw rod (62); the surface of the linkage gear (63) is meshed with the surface of the gear rod (415); and the surface of the bidirectional screw rod (62) is threadedly connected to the other end of the clamping rod (416).

4. A stair handrail grinding device according to claim 1, characterized in that: The rotating assembly (42) includes a rotating motor (421) installed at the bottom of the inner cavity of the device box (412), one end of the output shaft of the rotating motor (421) is fixedly connected to a rotating gear (422) via a coupling, and the surface of the rotating gear (422) causes the clamping rod (416) to rotate via a control assembly (7).

5. A stair handrail grinding device according to claim 4, characterized in that: The control assembly (7) includes a control rod (71) rotatably mounted inside the device box (412), a control gear (72) is mounted on the surface of the control rod (71), the surface of the control gear (72) is meshed with the surface of the rotating gear (422), and the surface of the control rod (71) is slidably connected to the inside of the gear rod (415).

6. A stair handrail grinding device according to claim 1, characterized in that: The pressing mechanism (3) comprises a pressing motor (31) installed on the right side of the top of the workbench (1); one end of the output shaft of the pressing motor (31) is fixedly connected to a threaded rod (32) via a coupling; a mounting seat (33) is threadedly connected to the surface of the threaded rod (32); and a tapered rod (34) is rotatably connected to the left side of the mounting seat (33).

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