Knurled nut grinding machine

Abstract

The utility model relates to the technical field of nut production, in particular to a knurled nut grinding machine which comprises a conveying mechanism and a grinding mechanism, the conveying mechanism comprises a conveying rack and a conveying belt arranged in the conveying rack, a separation limiting plate is arranged on the upper side of the conveying rack, and the separation limiting plate is fixedly arranged on the conveying rack and located above the conveying belt. The conveyor belts comprise a first conveyor belt and a second conveyor belt which are horizontally arranged, the polishing mechanism comprises a top polishing assembly and a bottom polishing assembly, the top polishing assembly is arranged at the upper end of the first conveyor belt, and the bottom polishing assembly is arranged at the lower end of the conveyor belt and located between the first conveyor belt and the second conveyor belt. According to the nut polishing device, the top polishing assembly and the bottom polishing assembly are arranged to polish the upper side and the lower side of a nut, the automation degree is high, the nut batch polishing efficiency is improved, meanwhile, the separation limiting plate plays a role in limiting the nut, and the nut is prevented from being displaced due to external force in the transporting and polishing process.

Description

Technical Field

[0001] The utility model relates to the technical field of nut production, in particular to a knurled nut grinding machine. Background Art

[0002] A nut is a cap that is screwed together with a bolt or a screw to tighten the parts. It is a necessary component for all manufacturing machinery. As a connector, knurled nuts are usually used in hardware products such as injection molding, hardware springs, connectors, fasteners, etc. After the nuts are produced, they need to be polished to remove the burrs on the surface of the nuts.

[0003] Patent No. CN220592717U discloses a nut grinding and polishing device, which solves the problems of high cost and poor working environment in the prior art. The device comprises a shell, a servo motor is installed on the inner wall of the shell, a screw is rotatably installed on the inner wall of the shell, a directional rod is fixedly connected to the inner wall of the shell by screws, the other end of the screw rod is coaxially connected to the servo motor through a coupling, a sliding protective shell is slidably connected to the directional rod, a connecting shaft is rotatably installed inside the sliding protective shell, through the arrangement of the servo motor, screw rod and other structures, the servo motor drives the screw rod to rotate, and the screw rod drives the sliding protective shell to move while also driving the main shaft gear to rotate, the main shaft gear is meshed with the rack, the rotation of the main shaft gear causes the connecting shaft to rotate, and the nut is also ground and polished while the sliding protective shell moves back and forth. The invention only uses one motor, and the use cost is greatly reduced.

[0004] The above-mentioned nut grinding and polishing device has the following problems: it can only polish and grind one side of the nut; the nut is not limited during the polishing and grinding process, which easily causes the nut to move. Utility Model Content

[0005] The utility model provides a knurled nut grinding machine to solve the problems of the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a knurled nut grinder, comprising: a conveying mechanism and a grinding mechanism, the conveying mechanism comprising a conveying frame and a conveyor belt arranged in the conveying frame, a partition limit plate is arranged on the upper side of the conveying frame, the partition limit plate is fixedly arranged on the conveying frame and is located above the conveyor belt, the conveyor belt comprises a first conveyor belt and a second conveyor belt arranged horizontally, the grinding mechanism comprises a top grinding component and a bottom grinding component, the top grinding component is arranged at the upper end of the first conveyor belt, and the bottom grinding component is arranged at the lower end of the conveyor belt and is located between the first conveyor belt and the second conveyor belt.

[0007] As a further improvement, the top grinding assembly includes symmetrically arranged mounting seats, each group of the mounting seats is provided with an assembly groove, a limiting column is provided in the assembly groove, an adjusting slider is slidably provided on the limiting column, and a top grinding roller is rotatably provided between the two groups of the adjusting sliders.

[0008] As a further improvement, a spring is provided between the upper surface of the assembly groove and the upper end of the adjusting slider.

[0009] As a further improvement, the bottom grinding assembly includes a bottom grinding roller rotatably arranged at the lower end of the conveyor belt and a limit cover arranged at the upper end of the conveyor belt, and the limit cover is made of wear-resistant material.

[0010] As a further improvement, the top grinding assembly is provided with two groups, one of the two groups of top grinding assemblies is provided at the front end of the bottom grinding assembly, and the other group is provided at the rear end of the bottom grinding assembly.

[0011] As a further improvement, dust collection boxes are provided at the upper ends of the top grinding assembly and the bottom grinding assembly.

[0012] Further improvement, the gap between the bottom grinding roller and the first conveyor belt is a, the gap between the bottom grinding roller and the second conveyor belt is b, and the width of the nut is c, satisfying the quantitative relationship: a <c;b<c。

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model realizes grinding of the upper and lower sides of the nut by setting a top grinding component and a bottom grinding component, which has a high degree of automation and improves the efficiency of batch grinding of nuts. At the same time, the separation limit plate plays a role in limiting the nut, preventing the nut from being displaced by external force during transportation and grinding;

[0015] 2. During the grinding process of the upper end of the nut, the driving motor drives the top grinding roller to rotate to grind the upper end of the nut. At the same time, the top grinding roller is arranged in the mounting seat, and its mounting height can be adjusted within a certain range. At the same time, the design of the spring can make the lower end of the top grinding roller always against the upper surface of the nut, so as to meet the grinding requirements of nuts of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 Enlarged view of part A in the figure.

[0019] In the figure, 1. conveying mechanism; 11. conveying frame; 111. partition limit plate; 12. conveyor belt; 121. first conveyor belt; 122. second conveyor belt; 2. grinding mechanism; 21. top grinding assembly; 211. mounting seat; 212. assembly groove; 213. limit column; 214. adjustment slider; 215. top grinding roller; 216. spring; 22. bottom grinding assembly; 221. bottom grinding roller; 222. limit cover; 31. dust box. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Below is a combination of the embodiments and the attached Figures 1 to 3 , the technical solution of the utility model is further elaborated.

[0023] Example 1

[0024] A knurled nut grinder comprises a conveying mechanism 1 and a grinding mechanism 2, wherein the conveying mechanism 1 comprises a conveying frame 11 and a conveyor belt 12 arranged in the conveying frame 11, a partitioning limit plate 111 is arranged on the upper side of the conveying frame 11, the partitioning limit plate 111 is fixedly arranged on the conveying frame 11 and is located above the conveyor belt 12, the conveyor belt 12 comprises a first conveyor belt 121 and a second conveyor belt 122 which are arranged horizontally, and the grinding mechanism 2 comprises a top grinding component 21 and a bottom grinding component 22, the top grinding component 21 is arranged at the upper end of the first conveyor belt 121, and the bottom grinding component 22 is arranged at the lower end of the conveyor belt 12 and is located between the first conveyor belt 121 and the second conveyor belt 122.

[0025] like Figures 1 to 3As shown, in actual use of the utility model, the nuts are separated by the separation and limiting plates 111 in the transport mechanism, transported to the lower end of the top grinding assembly 21 by the conveyor belt 12 for upper end surface grinding, and then transported to the bottom grinding assembly 22 for lower end grinding. The nuts are limited by the separation and limiting plates 111, which can effectively prevent the nuts from being subjected to force and displacement during the grinding process.

[0026] The utility model realizes grinding of the upper and lower sides of the nut by setting a top grinding component 21 and a bottom grinding component 22, with a high degree of automation, thereby improving the efficiency of batch grinding of nuts. At the same time, the separation limit plate 111 plays a limiting role on the nut, thereby preventing the nut from being displaced by external force during transportation and grinding.

[0027] As a further preferred embodiment, the top grinding assembly 21 includes symmetrically arranged mounting seats 211, each group of the mounting seats 211 is provided with an assembly groove 212, a limiting column 213 is provided in the assembly groove 212, an adjusting slider 214 is slidably provided on the limiting column 213, a top grinding roller 215 is rotatably provided between the two groups of the adjusting sliders 214, and a spring 216 is provided between the upper surface of the assembly groove 212 and the upper end of the adjusting slider 214.

[0028] Specifically, Figure 2 and 3 As shown, during the process of grinding the upper end of the nut, the driving motor drives the top grinding roller 215 to rotate to grind the upper end of the nut. At the same time, the top grinding roller 215 is arranged in the mounting seat 211, and its mounting height can be adjusted within a certain range. At the same time, the design of the spring 216 can make the lower end of the top grinding roller 215 always against the upper surface of the nut, thereby meeting the grinding requirements of nuts of different specifications.

[0029] As a further preferred embodiment, the bottom grinding assembly 22 includes a bottom grinding roller 221 rotatably arranged at the lower end of the conveyor belt 12 and a limiting cover 222 arranged at the upper end of the conveyor belt 12. The limiting cover 222 is made of wear-resistant material. The nut is limited by the limiting cover 222 to achieve limiting of the nut during grinding.

[0030] As a further preferred embodiment, the top grinding assembly 21 is provided with two groups, one group of the two groups of the top grinding assembly 21 is provided at the front end of the bottom grinding assembly 22, and the other group is provided at the rear end of the bottom grinding assembly 22, so as to further improve the grinding efficiency and quality.

[0031] As a further preferred embodiment, a dust box 31 is provided at the upper end of the top grinding component 21 and the bottom grinding component 22, and the dust generated during the grinding process is uniformly collected through the dust box 31 to avoid air pollution and harm to the health of workers.

[0032] As a further preferred embodiment, the gap between the bottom grinding roller 221 and the first conveyor belt 121 is a, the gap between the bottom grinding roller 221 and the second conveyor belt 122 is b, and the width of the nut is c, satisfying the quantitative relationship: a < c; b < c, to prevent the nut from falling into the gap and causing the equipment to jam.

[0033] The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field according to the concept of the present invention through logical analysis, reasoning, or limited experiments on the basis of the prior art shall fall within the protection scope determined by the claims.

Claims

1. A knurled nut grinding machine, characterized in that: include: A conveying mechanism (1) and a grinding mechanism (2), wherein the conveying mechanism (1) comprises a conveying frame (11) and a conveyor belt (12) arranged in the conveying frame (11), a partitioning limit plate (111) is arranged on the upper side of the conveying frame (11), the partitioning limit plate (111) is fixedly arranged on the conveying frame (11) and is located above the conveyor belt (12), the conveyor belt (12) comprises a first conveyor belt (121) and a second conveyor belt (122) arranged horizontally, and the grinding mechanism (2) comprises a top grinding component (21) and a bottom grinding component (22), the top grinding component (21) is arranged at the upper end of the first conveyor belt (121), and the bottom grinding component (22) is arranged at the lower end of the conveyor belt (12) and is located between the first conveyor belt (121) and the second conveyor belt (122).

2. A knurled nut grinding machine according to claim 1, characterized in that: The top grinding assembly (21) comprises symmetrically arranged mounting seats (211), each group of the mounting seats (211) is provided with an assembly groove (212), a limiting column (213) is provided in the assembly groove (212), an adjusting slider (214) is slidably arranged on the limiting column (213), and a top grinding roller (215) is rotatably arranged between two groups of the adjusting sliders (214).

3. A knurled nut grinding machine according to claim 2, characterized in that: A spring (216) is provided between the upper surface of the assembly groove (212) and the upper end of the adjustment slider (214).

4. A knurled nut grinding machine according to claim 1, characterized in that: The bottom grinding assembly (22) comprises a bottom grinding roller (221) rotatably arranged at the lower end of the conveyor belt (12) and a limiting cover (222) arranged at the upper end of the conveyor belt (12), wherein the limiting cover (222) is made of a wear-resistant material.

5. The knurled nut grinding machine according to claim 1, characterized in that: The top grinding components (21) are provided in two groups, one group of the two groups of the top grinding components (21) is provided at the front end of the bottom grinding components (22), and the other group is provided at the rear end of the bottom grinding components (22).

6. A knurled nut grinding machine according to claim 1 or 5, characterized in that: Dust collection boxes (31) are provided at the upper ends of the top grinding assembly (21) and the bottom grinding assembly (22).

7. A knurled nut grinding machine according to claim 4, characterized in that: The gap between the bottom grinding roller (221) and the first conveyor belt (121) is a, the gap between the bottom grinding roller (221) and the second conveyor belt (122) is b, and the width of the nut is c, satisfying the quantitative relationship: a <c;b<c。

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