A linear motor that is easy to maintain

By adding oil storage bags, oil drip ports, balls and oil seepage mesh structures in the moving and sliding parts of the linear motor, the effect of automatic lubrication and simplification of maintenance is achieved, and the complex maintenance problem of traditional linear motors is solved and maintenance costs are reduced.

CN222706384UActive Publication Date: 2025-04-01HUILAISHI TECH (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202421027820.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-04-01
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

Traditional linear motors need to be disassembled with other hardware tools during maintenance, which is complicated and inconvenient, especially when only lubricant is needed, the maintenance process is still relatively complicated.

Method used

A linear motor is designed for easy maintenance. By adding oil storage bags and special oil drop port structures in the moving part, combined with the ball and oil seepage mesh structure on the sliding part, the motor automatically brings out the lubricating oil and evenly applies it to the track when it moves, reducing manual maintenance needs.

Benefits of technology

It realizes automatic addition of lubricant during the use of linear motors, simplifies maintenance processes, reduces maintenance costs for motors, and avoids the problems of lubrication transition and excessive fuel consumption.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222706384U_ABST
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Abstract

The utility model relates to the technical field of linear motors, specifically a linear motor that is easy to maintain, including a moving part, a moving shaft and a base, the top structure of the moving part is connected by the moving shaft in a through-type manner, the bottom structure of the moving part is connected to the base in an engaging manner, and the two ends of the moving shaft and the base are fixed together by combined splicing. The linear motor that is easy to maintain has an oil storage bag and a special oil dripping port structure added to the connection structure of the moving part for linear motion, and cooperates with the newly added ball bearing and oil seepage net structure on the sliding part, so that when the linear motor performs reciprocating linear motion, the ball bearing can evenly apply the lubricating oil dripping from the oil dripping port to the track through the oil seepage net, thereby reducing the maintenance cost of the motor.
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Description

Technical Field

[0001] The utility model relates to the technical field of linear motors, in particular to a linear motor which is convenient to maintain. Background Art

[0002] A linear motor is a transmission device that converts electrical energy directly into linear motion mechanical energy without any intermediate conversion mechanism. When repairing a traditional linear motor, it needs to be disassembled with the help of other hardware tools, and the disassembly process is relatively cumbersome and inconvenient to use.

[0003] The China Patent Network discloses a linear motor CN218771720U that is easy to disassemble and repair. When the sliding rod of the linear motor needs to be disassembled and repaired, the two groups of butterfly bolts are removed, and then the first baffle plate and the second baffle plate arranged on both sides of the two groups of support plates are rotated to expose the limit columns. Then the two groups of limit columns are taken out, and the sliding rod of the linear motor can be removed, thereby realizing the disassembly of the sliding rod for repairing the sliding rod, and there is no need to use other hardware tools to disassemble it. The disassembly process is relatively simple and very convenient to use.

[0004] However, in the actual use of linear motors, most maintenance processes involve adding lubricants. If only lubricants are added, the maintenance process of the utility model is still relatively complicated and inconvenient, and improvements can be made in the direction of adding lubricants. Utility Model Content

[0005] The purpose of the utility model is to provide a linear motor that is easy to maintain and has the characteristics of automatically adding lubricating oil and self-maintenance according to the length of use, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a linear motor that is easy to maintain, comprising a moving part, a moving shaft and a base, wherein the top structure of the moving part is through-connected by the moving shaft, the bottom structure of the moving part is snap-connected to the base, and the moving shaft and the two ends of the base are assembled and spliced ​​and fixed together.

[0007] When in use, the motor body moves linearly on the slide rod. At this time, the ball rolls on the track and simultaneously drives the small ball inside the oil drip port to roll, so that the lubricating oil stored in the oil bag is precipitated and flows into the oil seepage net through the ball. With the reciprocating motion of the moving part, the lubricating oil is gradually evenly coated on the track. No manual lubrication maintenance is required. After the oil stored in the oil bag is exhausted, you only need to unlock the worm and the column, remove the moving shaft, disassemble the moving part, and refill the oil bag.

[0008] Preferably, the moving part includes a motor body, an oil storage connecting plate and a sliding part, the bottom of the motor body is connected to the oil storage connecting plate, and the motor body and the oil storage connecting plate are fixedly mounted together on the top of the sliding part.

[0009] Preferably, the oil storage connecting plate includes an oil sac, an oil dripping port and a connecting hole. The oil sac is a middle plastic capsule structure arranged in the middle of the oil storage connecting plate. The oil dripping port is arranged at the center of the oil sac and is connected to the inside of the oil sac. The oil dripping port is a pointed funnel with a small rolling ball at the nozzle. The connecting hole is a four connecting hole structure arranged at the four corners of the oil storage connecting plate.

[0010] Preferably, the sliding part includes a slide rail groove, a ball, an oil seepage net and a connecting column. The sliding part as a whole is a T-shaped moving fast structure. The slide rail groove is arranged in the middle of the sliding part, specifically a small T-shaped barrel groove structure. The ball is arranged at the top center of the sliding part. The surface of the ball is flush with the top surface of the sliding part and the slide rail groove. A chamfered slope structure is provided at the connection. The oil seepage net is arranged on the top of the slide rail groove and is a wear-resistant and corrosion-resistant soft material with a grid groove. The connecting column is four fixed column structures arranged at the four corners of the top of the sliding part.

[0011] Preferably, when the ball rolls, it can drive the small ball inside the oil drip port to roll synchronously, thereby bringing out the oil in the oil bag.

[0012] When the moving part moves, it can automatically and in small amounts bring out the lubricating oil from the oil bag and spread it evenly through the ball bearings and the oil seepage net.

[0013] Preferably, the connecting column passes through the connecting hole of the oil storage connecting plate and is connected to the motor body.

[0014] The motor body, the oil storage connecting plate and the sliding part form an integral connection structure and can perform synchronous movement.

[0015] Preferably, the motion axis includes a sliding rod, a side plate and a clamping column, the sliding rod is a transverse long round rod structure, the side plate is a rectangular plate arranged at both ends of the sliding rod, and the clamping column is arranged on the side plate, specifically a protruding rectangular column structure.

[0016] Preferably, the sliding rod passes through the motor body of the moving part.

[0017] Allows the motor body to move linearly on the slide bar

[0018] Preferably, the base includes a track, a support plate, a rotating baffle, a worm gear and a plug post, the track is arranged on the central top surface of the base, the support plate is a forked thick plate structure arranged at both ends of the base, there are four rotating baffles in total, two in a group, which are arranged on the front and rear surfaces of the support plate, and a rotating shaft is raised and fixed on the top of the support plate, a through hole is provided at the end of the rotating baffle, the worm gear is raised through the through hole and fixed on the lower part of the support plate, the plug post is installed at the lower part of the support plate, and the front and rear ends are covered by the rotating baffle.

[0019] Preferably, the support plate is provided with a worm hole and a column hole, the worm hole is a threaded through hole structure arranged on the upper part of the support plate, and the worm is inserted inside, the column hole is a rectangular through hole structure arranged on the support plate, and the column is inserted inside, and the clamping column is inserted between the support plate and the column.

[0020] The combined structure among the support plate, the worm and the plug column is assembled and locked with the clamping column on the motion axis to fix the vertical and front-back freedom of the motion axis and avoid deviation.

[0021] Preferably, a small gap is provided between the support plate and the track for mounting the side plate on the moving shaft.

[0022] Fix the lateral degrees of freedom of the motion axis to avoid lateral deviation.

[0023] Preferably, the track and the slide rail groove are assembled and fixed to each other, and the surfaces of the balls and the oil seepage net are in contact with the top surface of the track.

[0024] When the ball and the oil seepage net move in the moving part, the lubricating oil dripping from the oil dripping port can be evenly spread on the track.

[0025] Compared with the prior art, the utility model provides a linear motor that is easy to maintain and has the following beneficial effects: the linear motor that is easy to maintain has an oil storage bag and a special oil dripping port structure added to the connecting structure of the moving part for performing linear motion, and combined with the newly added ball and oil seepage net structure on the sliding part, the linear motor can allow the ball to evenly spread the lubricating oil dripping from the oil dripping port on the track through the oil seepage net when performing reciprocating linear motion, thereby ensuring the stability of the motor during operation. At the same time, since the oil dripping port and the oil seepage net are fine and small structures, the oil output can be maintained at a smaller range, thereby avoiding lubrication transition and the problem of multiple replacement of oil bags due to excessive use of lubricating oil, thereby reducing the maintenance cost of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a three-dimensional explosion demonstration diagram of the structure of the utility model;

[0027] Figure 2It is a three-dimensional demonstration diagram of the structure of the utility model;

[0028] Figure 3 This is a three-dimensional demonstration diagram of the structural part of the utility model.

[0029] Among them: 1. Moving part; 101. Motor body; 102. Oil storage connecting plate; 1021. Oil bag; 1022. Oil dripping port; 1023. Connecting hole; 103. Sliding part; 1031. Slide rail groove; 1032. Ball bearing; 1033. Oil seepage net; 1034. Connecting column; 2. Moving shaft; 201. Slide rod; 202. Side plate; 203. Snap-in column; 3. Base; 301. Track; 302. Support plate; 3021. Worm hole; 3022. Plug column hole; 303. Rotating baffle; 304. Worm; 305. Plug column. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-3 The utility model provides a technical solution: a linear motor that is easy to maintain, including a moving part 1, a moving shaft 2 and a base 3. The top structure of the moving part 1 is connected by the moving shaft 2 in a through-type manner, the bottom structure of the moving part 1 is engaged with the base 3, and the two ends of the moving shaft 2 and the base 3 are assembled and spliced ​​and fixed together.

[0032] When in use, the motor body 101 performs linear motion on the slide bar 201. At this time, the ball 1032 rolls on the track 301, and synchronously drives the small ball inside the oil drip port 1022 to roll, so that the lubricating oil stored in the oil bag 1021 is precipitated and flows into the oil seepage net 1033 through the ball 1032. With the reciprocating motion of the moving part 1, the lubricating oil is gradually evenly coated on the track 301. No manual lubrication maintenance is required. After the oil stored in the oil bag 1021 is exhausted, the worm 304 and the column 305 are unlocked, the moving shaft 2 is removed, the moving part 1 is disassembled, and the oil bag 1021 is refilled.

[0033] Specifically, the moving part 1 includes a motor body 101 , an oil storage connecting plate 102 and a sliding part 103 . The bottom of the motor body 101 is connected to the oil storage connecting plate 102 , and the motor body 101 and the oil storage connecting plate 102 are fixedly mounted on the top of the sliding part 103 .

[0034] Specifically, the oil storage connecting plate 102 includes an oil sac 1021, an oil dripping port 1022 and a connecting hole 1023. The oil sac 1021 is a middle plastic capsule structure arranged in the middle of the oil storage connecting plate 102. The oil dripping port 1022 is arranged at the center of the oil sac 1021 and is connected to the inside of the oil sac 1021. The oil dripping port 1022 is a pointed funnel with a small rolling ball at the funnel. The connecting hole 1023 is a four connecting hole structure arranged at the four corners of the oil storage connecting plate 102.

[0035] Specifically, the sliding part 103 includes a slide rail groove 1031, a ball 1032, an oil seepage net 1033 and a connecting column 1034. The sliding part 103 is a T-shaped moving fast structure as a whole. The slide rail groove 1031 is arranged in the middle of the sliding part 103, specifically a small T-shaped barrel groove structure. The ball 1032 is arranged at the top center of the sliding part 103. The surface of the ball 1032 is flush with the top surface of the sliding part 103 and the slide rail groove 1031. A chamfered inclined surface structure is provided at the connection. The oil seepage net 1033 is arranged on the top of the slide rail groove 1031, and is a wear-resistant and corrosion-resistant soft material with a grid groove. The connecting column 1034 is a structure of four fixed columns arranged at the four corners of the top of the sliding part 103.

[0036] Specifically, when the ball 1032 rolls, it can drive the small ball inside the oil drip port 1022 to roll synchronously, and bring out the oil in the oil bag 1021.

[0037] Through the above technical solution, when the moving part 1 moves, it can automatically and in small amounts bring out the oil used for lubrication from the oil bag 1021 and evenly spread it through the ball bearings 1032 and the oil seepage net 1033 .

[0038] Specifically, the connecting column 1034 passes through the connecting hole 1023 of the oil storage connecting plate 102 and is connected to the motor body 101 .

[0039] Through the above technical solution, the motor body 101, the oil storage connecting plate 102 and the sliding part 103 form an integral connection structure and can perform synchronous movement.

[0040] Specifically, the motion axis 2 includes a slide bar 201, a side plate 202 and a clamping column 203. The slide bar 201 is a transverse long round rod structure, the side plate 202 is a rectangular plate, which is arranged at both ends of the slide bar 201, and the clamping column 203 is arranged on the side plate 202, which is specifically a protruding rectangular column structure.

[0041] Specifically, the sliding rod 201 passes through the motor body 101 of the moving part 1 .

[0042] Through the above technical solution, the motor body 101 can perform linear motion on the slide bar 201.

[0043] Specifically, the base 3 includes a track 301, a support plate 302, a rotating baffle 303, a worm 304 and a pin 305. The track 301 is arranged on the central top surface of the base 3. The support plate 302 is a forked thick plate structure arranged at both ends of the base 3. There are four rotating baffles 303, two in a group, which are arranged on the front and rear surfaces of the support plate 302, and a rotating shaft is raised and fixed on the top of the support plate 302. A through hole is provided at the end of the rotating baffle 303. The worm 304 is raised through the through hole and fixed on the lower part of the support plate 302. The pin 305 is installed at the lower part of the support plate 302, and the front and rear ends are covered by the rotating baffle 303.

[0044] Specifically, a worm hole 3021 and a column hole 3022 are provided on the support plate 302. The worm hole 3021 is a threaded through hole structure arranged on the upper part of the support plate 302, and the worm 304 is inserted inside. The column hole 3022 is a rectangular through hole structure arranged on the support plate 302, and the column 305 is inserted inside. The clamping column 203 is inserted between the support plate 302 and the column 305.

[0045] Through the above technical solution, the combined structure of the support plate 302, the worm 304 and the plug column 305 is assembled and locked with the clamping column 203 on the motion shaft 2, fixing the vertical and front-to-back freedom of the motion shaft 2 to avoid deviation.

[0046] Specifically, a small gap is provided between the support plate 302 and the track 301 for mounting the side plate 202 on the motion shaft 2 .

[0047] Through the above technical solution, the lateral degree of freedom of the motion axis 2 is fixed to avoid lateral deviation.

[0048] Specifically, the track 301 and the slide rail groove 1031 are assembled and fixed to each other, and the surfaces of the ball bearings 1032 and the oil seepage net 1033 are in contact with the top surface of the track 301 .

[0049] Through the above technical solution, when the moving part 1 moves, the balls 1032 and the oil seepage net 1033 can evenly spread the lubricating oil dropped from the oil dripping port 1022 on the track 301 .

[0050] Although the 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 thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A linear motor that is easy to maintain, comprising a moving part (1), a moving shaft (2) and a base (3), characterized in that: The top structure of the moving part (1) is connected through the moving shaft (2), the bottom structure of the moving part (1) is engaged with the base (3), the moving shaft (2) and the base (3) are assembled and spliced ​​together at both ends, the moving part (1) comprises a motor body (101), an oil storage connecting plate (102) and a sliding part (103), the bottom of the motor body (101) is connected to the oil storage connecting plate (102), and the motor body (101) and the oil storage connecting plate (102) are fixedly mounted together on the top of the sliding part (103).

2. A linear motor that is easy to maintain according to claim 1, characterized in that: The oil storage connection plate (102) comprises an oil sac (1021), an oil dripping port (1022) and a connection hole (1023); the oil sac (1021) is a middle plastic capsule structure arranged in the middle of the oil storage connection plate (102); the oil dripping port (1022) is arranged at the center of the oil sac (1021) and is communicated with the inside of the oil sac (1021); the oil dripping port (1022) is a pointed funnel, and a small rolling ball is arranged at the funnel; the connection holes (1023) are four connection hole structures arranged at the four corners of the oil storage connection plate (102).

3. The linear motor with convenient maintenance according to claim 1, characterized in that: The sliding part (103) comprises a slide rail groove (1031), a ball bearing (1032), an oil seepage net (1033) and a connecting column (1034); the sliding part (103) is a T-shaped moving fast structure as a whole; the slide rail groove (1031) is arranged in the middle of the sliding part (103), specifically a small T-shaped barrel groove structure; the ball bearing (1032) is arranged at the top center of the sliding part (103); the surface of the ball bearing (1032) is flush with the top surface of the sliding part (103) and the slide rail groove (1031); a chamfered inclined surface structure is provided at the connection; the oil seepage net (1033) is arranged at the top of the slide rail groove (1031) and is made of a wear-resistant and corrosion-resistant soft material with a grid groove; the connecting column (1034) is a structure of four fixed columns arranged at the four corners of the top of the sliding part (103).

4. The linear motor with convenient maintenance according to claim 3, characterized in that: The connecting column (1034) passes through the connecting hole (1023) of the oil storage connecting plate (102) and is connected to the motor body (101).

5. The linear motor with convenient maintenance according to claim 1, characterized in that: The motion shaft (2) comprises a sliding rod (201), a side plate (202) and a clamping column (203); the sliding rod (201) is a transverse long round rod structure; the side plate (202) is a rectangular plate member arranged at both ends of the sliding rod (201); the clamping column (203) is arranged on the side plate (202) and is specifically a protruding rectangular column structure.

6. The linear motor with convenient maintenance according to claim 5, characterized in that: The sliding rod (201) passes through the motor body (101) of the moving part (1).

7. The linear motor with convenient maintenance according to claim 5, characterized in that: The base (3) comprises a track (301), a support plate (302), a rotating baffle (303), a worm (304) and a plug post (305); the track (301) is arranged on the central top surface of the base (3); the support plate (302) is a forked thick plate structure arranged at both ends of the base (3); there are four rotating baffles (303), two in a group, arranged on the front and rear surfaces of the support plate (302), and a rotating shaft is raised and fixed on the top of the support plate (302); a through hole is provided at the end of the rotating baffle (303); the worm (304) is raised and fixed on the support plate (302) through the through hole; The support plate (302) is provided at the lower part of the support plate (302), the plug post (305) is installed at the lower part of the support plate (302), and the front and rear ends are covered by the rotating baffle plate (303); the support plate (302) is provided with a worm hole (3021) and a plug post hole (3022); the worm hole (3021) is a threaded through hole structure provided at the upper part of the support plate (302), the worm (304) is inserted inside; the plug post hole (3022) is a rectangular through hole structure provided on the support plate (302), the plug post (305) is inserted inside; and the clamping column (203) is inserted between the support plate (302) and the plug post (305).

8. The linear motor with convenient maintenance according to claim 7, characterized in that: The track (301) and the slide rail groove (1031) are joined and fixed to each other, and the surfaces of the balls (1032) and the oil seepage net (1033) are in contact with the top surface of the track (301).