Polishing device for wooden stair handrail machining

Abstract

The utility model relates to a polishing device for wooden stair handrail processing, which comprises a bottom frame, a back plate is fixedly installed on the top of the bottom frame, an installation rotating structure is arranged on the top of the bottom frame, and the installation rotating structure comprises a screw motor fixedly installed on the left side of the bottom frame. According to the polishing device for wooden stair handrail machining, a wooden stair handrail can be fixed into a right inserting cylinder through a clamping mounting structure, a screw motor drives a limiting rotating structure to move leftwards so that the wooden stair handrail can be clamped and limited, and at the moment, a driving motor drives the right inserting cylinder to rotate so that a wooden stair can be driven to rotate stably; and an electric push rod is unfolded to push a polishing plate to make contact with the wooden stair handrail in the rotating state so that the outer wall of the wooden stair handrail can be polished and ground, then an external dust collector runs to pass through the polishing plate and a dust collection plate, dust can be sucked away, and therefore the effect of actively collecting the dust is achieved.

Description

Technical Field

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

[0002] Chinese patent publication number CN218019094U proposes "a wooden stair column grinding device". The technical solution points out the problem that "the existing technology lacks a waste chip recovery mechanism and cannot recover the waste chips generated by grinding, thereby reducing the functionality of the equipment". The utility model provides the following technical solution: "Through the setting of the first material guide port, the second material guide port, the third material guide port and the collection frame, the waste chips generated during the column grinding process can be automatically recovered, which not only omits the process of manual cleaning in the later stage, but also effectively ensures the grinding environment inside the installation sleeve to prevent internal blockage."

[0003] The above device has the following defects in actual use:

[0004] 1. During polishing and grinding, only one end of the wooden staircase can be fixed, while the other end is not fixed, which poses a safety hazard during extrusion and grinding.

[0005] 2. A lot of dust will be generated during the polishing and grinding of wooden stair handrails, and the above-mentioned device can only passively collect debris, and the fine dust will float in the air, which will not only pollute the air but also endanger the health of the workers. Therefore, a polishing device for wooden stair handrail processing is proposed to solve the above problem. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a polishing device for processing wooden stair handrails, which has the advantages of high safety and active dust collection.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a polishing device for processing wooden stair handrails, comprising a base frame, a back plate is fixedly installed on the top of the base frame, and a mounting rotating structure is provided on the top of the base frame.

[0008] The installation and rotation structure includes a screw motor fixedly installed on the left side of the base frame, a lead screw penetrating into the base frame is fixedly installed on the output end of the screw motor, a clamping installation structure located on the right side of the lead screw is provided on the top of the base frame, and a limiting rotation structure is provided on the left side of the clamping installation structure.

[0009] The clamping mounting structure includes a mounting base fixedly mounted on the top of the base frame, a driving motor fixedly mounted on the top of the mounting base, a right plug-in cylinder penetrating into the interior of the mounting base fixedly mounted on the output end of the driving motor, a bidirectional screw penetrating into the interior of the right plug-in cylinder rotatably mounted on the top of the right plug-in cylinder, two semicircular clamping plates are mounted on the external threads of the bidirectional screw, and an empty slot plate is fixedly mounted inside the right plug-in cylinder.

[0010] The limited rotation structure includes a sliding block threadedly installed on the outside of the lead screw, a moving plate fixedly installed on the top of the sliding block, a left insert cylinder rotatably installed inside the moving plate, a conical block rotatably installed on the left side of the inner cavity of the left insert cylinder, and a grinding and dust collection structure is arranged in front of the back plate.

[0011] Furthermore, the polishing and dust collection structure includes a linear module fixedly mounted on the surface of the back plate, a rectangular plate fixedly mounted on the output end of the linear module, an electric push rod penetrating to the bottom of the rectangular plate fixedly mounted on the top of the rectangular plate, a polishing plate fixedly mounted on the telescopic end of the electric push rod, a dust collection plate fixedly mounted on the back of the polishing plate, and a connecting pipe connected to an external vacuum cleaner fixedly mounted on the top of the dust collection plate.

[0012] Furthermore, the back plate is located at one end close to the back of the base frame, the lead screw is rotatably mounted inside the base frame, and the outside of the mounting seat is an "L"-shaped structure.

[0013] Furthermore, the right insert is rotatably mounted inside the mounting seat, an inner four-corner sleeve is fixedly mounted on the top of the bidirectional screw, and the two semicircular clamping plates both slide up and down on the left side of the empty slot plate.

[0014] Furthermore, the sliding block slides left and right inside the base frame, the moving plate is located on the top of the base frame, and the centers of the left inserting tube, the conical block and the right inserting tube are all on the same straight line.

[0015] Furthermore, the linear module is located at one end close to the top of the back plate, and the maximum expansion stroke of the electric push rod is greater than the radius of the right insert cylinder.

[0016] Furthermore, the polishing plate is located above the lead screw, the interior of the dust collecting plate is a hollow structure, a plurality of air suction grooves are provided on the surface of the dust collecting plate, and the connecting pipe is through-connected with the dust collecting plate.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. The polishing device for processing wooden stair handrails can fix the wooden stair handrail inside the right insert cylinder through the clamping and mounting structure. The screw motor drives the limiting rotation structure to move to the left to clamp and limit the wooden stair handrail. At this time, the driving motor drives the right insert cylinder to rotate to drive the wooden staircase to rotate stably, thereby achieving a high safety effect.

[0019] 2. The polishing device for processing the wooden stair handrail can polish and grind the outer wall of the wooden stair handrail by pushing the polishing plate into contact with the rotating wooden stair handrail, and then the external vacuum cleaner can suck away the dust through the polishing plate and the dust collecting plate, thereby achieving the effect of actively collecting dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the clamping and installation structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the limited rotation structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the dust collecting plate of the utility model.

[0024] In the figure: 1. base frame; 2. back plate; 3. screw motor; 4. lead screw; 5. mounting seat; 6. drive motor; 7. right insert cylinder; 8. bidirectional screw; 9. semicircular clamping plate; 10. slot plate; 11. sliding block; 12. moving plate; 13. left insert cylinder; 14. conical block; 15. linear module; 16. rectangular plate; 17. electric push rod; 18. polishing plate; 19. dust suction plate; 20. connecting pipe. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4 A polishing device for processing wooden stair handrails in this embodiment includes a base frame 1, a back panel 2 is fixedly installed on the top of the base frame 1, the back panel 2 is located at one end close to the back of the base frame 1, and a mounting rotating structure is provided on the top of the base frame 1.

[0027] The installation rotation structure includes a screw motor 3 fixedly installed on the left side of the base frame 1, and a lead screw 4 penetrating into the interior of the base frame 1 is fixedly installed on the output end of the screw motor 3. The lead screw 4 is rotatably installed inside the base frame 1, and a clamping installation structure located on the right side of the lead screw 4 is provided on the top of the base frame 1. A limiting rotation structure is provided on the left side of the clamping installation structure.

[0028] The clamping installation structure includes a mounting base 5 fixedly installed on the top of the base frame 1, the outside of the mounting base 5 is an "L"-shaped structure, a driving motor 6 is fixedly installed on the top of the mounting base 5, and a right plug-in tube 7 penetrating into the interior of the mounting base 5 is fixedly installed on the output end of the driving motor 6, the right plug-in tube 7 is rotatably installed in the interior of the mounting base 5, a bidirectional screw 8 penetrating into the interior is rotatably installed on the top of the right plug-in tube 7, an inner four-corner sleeve is fixedly installed on the top of the bidirectional screw 8, two semicircular clamps 9 are installed on the external threads of the bidirectional screw 8, an empty slot plate 10 is fixedly installed inside the right plug-in tube 7, and the two semicircular clamps 9 both slide up and down on the left side of the empty slot plate 10.

[0029] In this embodiment, after the wooden stair handrail is inserted into the two semicircular splints 9, the two-way screw 8 is controlled to rotate forwardly to force the two semicircular splints 9 to approach each other, thereby restricting the wooden stair handrail inside the right insertion tube 7. After that, the driving motor 6 drives the right insertion tube 7 to rotate to drive the wooden stair handrail to rotate, and the two-way screw 8 is controlled to rotate reversely to force the two semicircular splints 9 to move away from each other. At this time, the wooden stair handrail can be taken out.

[0030] The limited rotation structure includes a sliding block 11 threadedly installed on the outside of the screw 4, the sliding block 11 slides left and right inside the base frame 1, a moving plate 12 is fixedly installed on the top of the sliding block 11, the moving plate 12 is located on the top of the base frame 1, a left insert cylinder 13 is rotatably installed inside the moving plate 12, a conical block 14 is rotatably installed on the left side of the inner cavity of the left insert cylinder 13, and the centers of the left insert cylinder 13, the conical block 14 and the right insert cylinder 7 are all on the same straight line.

[0031] In this embodiment, the screw motor 3 drives the lead screw 4 to rotate forward, which can force the sliding block 11 to drive the left insert cylinder 13 to approach the right insert cylinder 7, thereby clamping and restricting the wooden stair handrail, thereby increasing the stability of the wooden stair handrail during rotation. The conical block 14 rotatably installed inside the left insert cylinder 13 and the squeeze contact with the wooden stair handrail can make its rotation smoother.

[0032] A grinding and dust collection structure is provided in front of the back plate 2, and the grinding and dust collection structure includes a linear module 15 fixedly mounted on the surface of the back plate 2, the linear module 15 is located at one end close to the top of the back plate 2, a rectangular plate 16 is fixedly mounted on the output end of the linear module 15, an electric push rod 17 penetrating to the bottom of the rectangular plate 16 is fixedly mounted on the top, the maximum expansion stroke of the electric push rod 17 is greater than the radius of the right insert cylinder 7, a polishing plate 18 is fixedly mounted on the telescopic end of the electric push rod 17, the polishing plate 18 is located above the lead screw 4, a dust collection plate 19 is fixedly mounted on the back of the polishing plate 18, the interior of the dust collection plate 19 is a hollow structure, a plurality of suction grooves are provided on the surface of the dust collection plate 19, a connecting pipe 20 connected to an external vacuum cleaner is fixedly mounted on the top of the dust collection plate 19, and the connecting pipe 20 and the dust collection plate 19 are through-connected.

[0033] In this embodiment, the electric push rod 17 is expanded to push the polishing plate 18 to contact the wooden stair handrail to polish its outer wall. The linear module 15 drives the rectangular plate 16 to move left and right to drive the polishing plate 18 to polish and grind back and forth on the wooden stair handrail. Then, the external vacuum cleaner can operate through the connecting pipe 20 to extract the air inside the dust collection plate 19. The dust collection plate 19 in a vacuum state can absorb dust through multiple suction grooves opened on its surface.

[0034] The working principle of the above embodiment is:

[0035] After inserting the wooden stair handrail into the two semicircular splints 9, controlling the bidirectional screw 8 to rotate forward can force the two semicircular splints 9 to approach each other, thereby limiting the wooden stair handrail inside the right insertion tube 7, and then the screw motor 3 drives the lead screw 4 to rotate forward to drive the limiting rotation structure to move to the right to limit and support the wooden stair handrail, and then the driving motor 6 drives the right insertion tube 7 to rotate to drive the wooden staircase to rotate stably.

[0036] The electric push rod 17 is expanded to push the polishing plate 18 to contact the rotating wooden stair handrail to polish its outer wall. The linear module 15 drives the rectangular plate 16 to move left and right to drive the polishing plate 18 to polish and grind back and forth on the wooden stair handrail. Then the external vacuum cleaner is operated to extract the air inside the dust suction plate 19. The dust suction plate 19 in a vacuum state can suck away the dust through the multiple suction grooves opened on its surface.

[0037] 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. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] 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 polishing device for processing wooden stair handrails, comprising a base frame (1), characterized in that: A back plate (2) is fixedly mounted on the top of the base frame (1), and a rotating mounting structure is provided on the top of the base frame (1); The mounting and rotating structure comprises a screw motor (3) fixedly mounted on the left side of the base frame (1); a lead screw (4) penetrating into the interior of the base frame (1) is fixedly mounted on the output end of the screw motor (3); a clamping and mounting structure located on the right side of the lead screw (4) is arranged on the top of the base frame (1); and a limited rotation structure is arranged on the left side of the clamping and mounting structure. The clamping installation structure comprises a mounting seat (5) fixedly mounted on the top of the base frame (1), a driving motor (6) fixedly mounted on the top of the mounting seat (5), a right plug-in tube (7) penetrating into the interior of the mounting seat (5) fixedly mounted on the output end of the driving motor (6), a bidirectional screw (8) penetrating into the interior of the right plug-in tube (7) rotatably mounted on the top of the right plug-in tube (7), two semicircular clamping plates (9) being mounted on the external threads of the bidirectional screw (8), and a hollow slot plate (10) being fixedly mounted inside the right plug-in tube (7); The limited rotation structure comprises a sliding block (11) threadedly mounted on the outside of the lead screw (4); a moving plate (12) is fixedly mounted on the top of the sliding block (11); a left insert cylinder (13) is rotatably mounted inside the moving plate (12); a conical block (14) is rotatably mounted on the left side of the inner cavity of the left insert cylinder (13); and a grinding and dust collection structure is arranged in front of the back plate (2).

2. A polishing device for processing wooden stair handrails according to claim 1, characterized in that: The polishing and dust collection structure comprises a linear module (15) fixedly mounted on the surface of a back plate (2); a rectangular plate (16) is fixedly mounted on the output end of the linear module (15); an electric push rod (17) penetrating to the bottom of the rectangular plate (16) is fixedly mounted on the top of the rectangular plate (16); a polishing plate (18) is fixedly mounted on the telescopic end of the electric push rod (17); a dust collection plate (19) is fixedly mounted on the back of the polishing plate (18); and a connecting pipe (20) connected to an external dust collector is fixedly mounted on the top of the dust collection plate (19).

3. A polishing device for processing wooden stair handrails according to claim 1, characterized in that: The back plate (2) is located at one end close to the back of the base frame (1), the lead screw (4) is rotatably mounted inside the base frame (1), and the outside of the mounting seat (5) is an "L"-shaped structure.

4. A polishing device for processing wooden stair handrails according to claim 1, characterized in that: The right inserting tube (7) is rotatably mounted inside the mounting seat (5), an inner four-corner sleeve is fixedly mounted on the top of the bidirectional screw (8), and the two semicircular clamping plates (9) both slide up and down on the left side of the empty slot plate (10).

5. The polishing device for processing wooden stair handrails according to claim 1, characterized in that: The sliding block (11) slides left and right inside the base frame (1), the moving plate (12) is located on the top of the base frame (1), and the centers of the left insert cylinder (13), the conical block (14) and the right insert cylinder (7) are all on the same straight line.

6. A polishing device for processing wooden stair handrails according to claim 2, characterized in that: The linear module (15) is located at one end close to the top of the back plate (2), and the maximum expansion stroke of the electric push rod (17) is greater than the radius of the right insert cylinder (7).

7. The polishing device for processing wooden stair handrails according to claim 2, characterized in that: The polishing plate (18) is located above the lead screw (4); the interior of the dust collecting plate (19) is a hollow structure; a plurality of air suction grooves are provided on the surface of the dust collecting plate (19); and the connecting pipe (20) is through-connected with the dust collecting plate (19).

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