Lubricating structure of sewing machine

Abstract

The utility model relates to a sewing machine lubricating structure which comprises a base, two supporting plates are fixedly connected to the middle of the top face in a bilateral symmetry mode, the top faces of the two supporting plates are jointly and fixedly connected with a lubricating box, first threading holes are formed in the left side and the right side of the lubricating box, and an oil storage box is fixedly connected to the middle of the top face of the base. By means of mutual cooperation of all the components, lubricating oil dripping from yarn can flow back into the oil storage tank again and is pumped out for use after being filtered, cotton thread oiling work does not need to be stopped, accordingly, the oiling work efficiency is improved, fibers on a filter screen can be pushed to the two sides through a scraper, the filter screen is prevented from being blocked by the fibers, and the service life of the cotton thread oiling machine is prolonged. And the yarn coated with the oil is tightly pressed through the two pressing rollers, redundant lubricating oil on the yarn is extruded out and is still located in the lubricating box, and therefore the lubricating oil on the yarn is prevented from falling on the base, and waste of the lubricating oil is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine technical field, especially sewing machine lubrication structure. BACKGROUND

[0002] With the development of social economy and the improvement of people's living standards, people's requirements for clothing styles are getting higher and higher, and clothing manufacturers use sewing machines more and more. Sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, interweaving or sewing one or more layers of sewing material. Sewing machine can sew cotton, hemp, silk, wool, synthetic fiber and other fabrics, and leather, plastic and paper products. The stitches are neat, beautiful, flat and firm. The sewing speed is fast, and the use is simple. When the yarn is used, the yarn needs to be decorated like a flower.

[0003] The existing patent (publication number: CN222434810U) discloses a kind of yarn lubricating device of sewing machine, including bottom plate, the top of the bottom plate is symmetrically installed with side plate, the surface of the side plate is equipped with threading hole, the top of the bottom plate is symmetrically provided with guiding assembly. The inventor found that the following problems in the prior art have not been well solved in the process of realizing the scheme: 1. When the device is used, a lot of lubricating oil will fall into the connecting cylinder. The lubricating oil left in the connecting cylinder is not convenient to recycle and then injected into the storage tank for use. It needs to stop the oiling of cotton thread first, and then the oil in the connecting cylinder is taken out. 2. When the yarn is oiled and removed from the connecting cylinder, part of the lubricating oil adhered to the yarn will drop on the bottom plate, causing waste of lubricating oil. UTILITY MODEL CONTENT

[0004] The utility model aims at providing sewing machine lubrication structure to solve the problems mentioned in the above background art.

[0005] The technical scheme of the utility model is a sewing machine lubrication structure, which comprises a base, two support plates symmetrically arranged on the top surface of the base, a lubricating box fixedly connected to the top surfaces of the two support plates, first threading holes formed on the left and right sides of the lubricating box, an oil storage tank fixedly connected to the middle of the top surface of the base, a recovery pipe fixedly connected to the middle of the bottom of the lubricating box, the lower end of the recovery pipe fixedly connected to the top of the oil storage tank, an oil pump fixedly connected to the rear side of the top surface of the base, an oil inlet pipe fixedly connected to the oil outlet end of the oil pump, the end of the oil inlet pipe away from the oil pump fixedly connected to the bottom of the rear side of the oil storage tank, an oil outlet pipe fixedly connected to the oil outlet end of the oil pump, the end of the oil outlet pipe away from the oil pump fixedly sleeved on the right side of the top of the lubricating box and penetrating into the inner cavity, an oil brush fixedly connected to the end of the oil outlet pipe away from the oil pump, and a filter screen fixedly connected to the side surface of the inner wall of the oil storage tank close to the top.

[0006] In one embodiment, the left side of the top of the lubricating box is provided with a through hole, a first screw rod is connected to the through hole through a bearing, the first screw rod is a bidirectional screw rod, the upper and lower ends of the first screw rod are connected to a connecting block through threads, the inner sides of the two connecting blocks are connected to a press roller through bearings, the front sides of the two connecting blocks are movably sleeved with a guide rod, and the upper end face of the guide rod is fixedly connected to the top face of the inner wall of the lubricating box.

[0007] In one embodiment, the right side of the oil storage tank near the top is provided with a movable hole, a connecting rod is movably sleeved in the movable hole, the left end face of the connecting rod is fixedly connected to a scraping piece, the top face of the scraping piece is attached to the top face of the filter screen, the right side of the outer wall of the oil storage tank near the bottom is connected to a second screw rod through a bearing, the right end of the surface of the second screw rod is connected to a connecting plate through threads, the right side of the top face of the base is fixedly connected to a motor, the shaft of the motor is fixedly connected to the right end face of the second screw rod, and the top of the left side of the connecting plate is fixedly connected to the right end face of the connecting rod.

[0008] In one embodiment, the movable hole is fixedly connected to a sealing ring, and the right end of the surface of the connecting rod is movably sleeved in the sealing ring.

[0009] In one embodiment, the left and right sides of the bottom face of the inner wall of the lubricating box are fixedly connected to guide plates, and the top of each of the two guide plates is downwardly inclined to one side of the recovery pipe.

[0010] In one embodiment, the left and right sides of the top face of the base are provided with side plates, the second threading holes are formed in the two side plates, and the facing surfaces of the two side plates are provided with guide assemblies.

[0011] In one embodiment, the right side of the left side plate is fixedly connected to a collection box, and the right side of the collection box is fixedly connected to the left side of the outer wall of the lubricating box near the bottom.

[0012] In one embodiment, the lubricating box and the oil storage tank are both front opening structures, and the front sides of the lubricating box and the oil storage tank are both hingedly connected to a sealing box door.

[0013] The beneficial effects of the utility model are as follows:

[0014] Through the cooperation between the components, the lubricating oil dripping from the yarn can flow back into the oil storage tank, and after being filtered, it can be extracted for use without stopping the oiling work of the cotton yarn, thereby improving the oiling work efficiency, the scraping piece can push the fibers on the filter screen to the two sides, the filter screen is prevented from being blocked by the fibers, the recovered lubricating oil is prevented from being filtered, the two press rollers are used for pressing the yarn coated with oil, the excess lubricating oil on the yarn is squeezed out and still located in the lubricating box, thereby preventing the lubricating oil on the yarn from falling on the base, and the waste of lubricating oil is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the front view of the utility model;

[0016] Figure 2 is the main sectional view of the lubricating box;

[0017] Figure 3 is the main sectional view of the oil storage tank;

[0018] Figure 4 is the side view of the connecting block and the compression roller;

[0019] Figure 5 is the side view of the base and the lubricating box.

[0020] In the drawings, 1, base; 2, support plate; 3, lubricating box; 4, first threading hole; 5, oil storage tank; 6, recovery pipe; 7, oil pump; 8, oil inlet pipe; 9, oil outlet pipe; 10, oil brush; 11, filter screen; 12, first screw rod; 13, connecting block; 14, compression roller; 15, guide rod; 16, movable hole; 17, connecting rod; 18, scraping piece; 19, second screw rod; 20, connecting plate; 21, motor; 22, sealing ring; 23, guide plate; 24, side plate; 25, collection box. DETAILED DESCRIPTION

[0021] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.The technical scheme of the utility model will be further described below in combination with the drawings of the embodiments of the utility model, and the utility model is not limited to the following specific embodiments.

[0022] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components.In the description of the utility model, it should be understood that if the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0023] In one embodiment, as Figures 1-5As shown, the sewing machine lubricating structure comprises a base 1, the top surface of the middle part is symmetrically provided with two support plates 2 fixedly connected, the top surfaces of the two support plates 2 are jointly fixedly connected with a lubricating box 3, the left and right sides of the lubricating box 3 are each provided with a first threading hole 4, the top surface of the middle part of the base 1 is fixedly connected with an oil storage tank 5, the middle part of the bottom of the lubricating box 3 is fixedly connected with a recovery pipe 6, the lower end of the recovery pipe 6 is fixedly connected to the top of the oil storage tank 5, the rear side of the top surface of the base 1 is fixedly connected with an oil pump 7, the oil outlet end of the oil pump 7 is fixedly connected with an oil inlet pipe 8, the end of the oil inlet pipe 8 away from the oil pump 7 is fixedly connected to the bottom of the rear side of the oil storage tank 5, the oil outlet end of the oil pump 7 is fixedly connected with an oil outlet pipe 9, the end of the oil outlet pipe 9 away from the oil pump 7 is fixedly sleeved on the right side of the top of the lubricating box 3 and penetrates into the inner cavity, the end of the oil outlet pipe 9 away from the oil pump 7 is fixedly connected with an oil brush 10, and the side surface of the inner wall of the oil storage tank 5 and close to the top is fixedly connected with a filter screen 11.

[0024] In order to be able to squeeze out the excess oil on the yarn, the oil squeezed out still falls inside the lubricating box 3, a through hole is formed in the left side of the top of the lubricating box 3, a first screw rod 12 is bearing-connected in the through hole, the first screw rod 12 is a bidirectional screw rod, the upper and lower ends of the first screw rod 12 are each threadedly connected with a connecting block 13, the inner sides of the two connecting blocks 13 are each bearing-connected with a pressing roller 14, the front sides of the two connecting blocks 13 are jointly movably sleeved with a guide rod 15, and the upper end surface of the guide rod 15 is fixedly connected with the top surface of the inner wall of the lubricating box 3.

[0025] In order to be able to push the fibers on the filter screen 11 to the two sides, avoid the fibers from blocking the filter screen 11, causing the recycled lubricating oil to be unable to be filtered, an active hole 16 is formed in the right side of the oil storage tank 5 and close to the top, an connecting rod 17 is movably sleeved in the active hole 16, a scraping piece 18 is fixedly connected to the left end surface of the connecting rod 17, the top surface of the scraping piece 18 is in abutment with the top surface of the filter screen 11, a second screw rod 19 is bearing-connected to the right side of the outer wall of the oil storage tank 5 and close to the bottom, a connecting plate 20 is threadedly connected to the right end surface of the second screw rod 19, an motor 21 is fixedly connected to the right side of the top surface of the base 1, the shaft of the motor 21 is fixedly connected with the right end surface of the second screw rod 19, and the top of the left side of the connecting plate 20 is fixedly connected with the right end surface of the connecting rod 17.

[0026] In order to improve the sealing performance of the connecting rod 17 connected in the active hole 16, avoid the connecting rod 17 from taking the lubricating oil to the outside of the oil storage tank 5, a sealing ring 22 is fixedly connected in the active hole 16, and the right end surface of the connecting rod 17 is movably sleeved in the sealing ring 22.

[0027] In order to make the dripping lubricating oil flow to the recovery pipe 6, guide plates 23 are fixedly connected to the left and right sides of the inner wall bottom of the lubricating box 3, and the top of each of the two guide plates 23 is downwardly inclined to the side of the recovery pipe 6.

[0028] In order to be able to support and guide the yarn, the top surface of the base 1 is provided with side plates 24 on the left and right sides, and the second threading hole is formed in the two side plates 24, and the facing surface of the two side plates 24 is provided with a guide assembly, and the guide assembly is the same as that in the comparative example.

[0029] In order to collect the oil after the squeezed yarn comes out from the outside of the lubricating box 3, the right side of the left side plate 24 is fixedly connected with a collecting box 25, and the right side of the collecting box 25 is fixedly connected with the left side of the outer wall of the lubricating box 3 and close to the bottom.

[0030] In order to be able to support and guide the yarn, the top surface of the base 1 is provided with side plates 24 on the left and right sides, and the second threading hole is formed in the two side plates 24, and the facing surface of the two side plates 24 is provided with a guide assembly, and the guide assembly is the same as that in the comparative example.

[0031] Working principle: when the utility model is used, first, start the oil pump 7, the oil pump 7 draws out the lubricating oil in the inner cavity bottom of the oil tank 5 through the oil inlet pipe 8, then the oil pump 7 discharges the lubricating oil through the oil outlet pipe 9, and brushes the yarn through the oil brush 10, part of the oil brushed on the yarn will drop on the deflector plate 23, the lubricating oil dropped on the deflector plate 23 will flow into the recovery pipe 6, and then fall into the oil tank 5 again, the lubricating oil in the large oil tank 5 will first filter the fiber in the oil through the filter screen 11, and the filtered lubricating oil falls to the bottom of the oil tank 5, in this way, the lubricating oil dropped from the yarn can flow back to the oil tank 5 again, and after filtering, it is drawn out for use again, without stopping the oiling work of the cotton yarn, thereby improving the oiling work efficiency, starting the motor 21, the motor 21 drives the second screw 19 to rotate, the second screw 19 drives the connecting plate 20 to move left and right, the connecting plate 20 drives the connecting rod 17 to move, the connecting rod 17 drives the scraper 18 to move, so that the scraper 18 pushes the fiber on the filter screen 11 to the two sides, avoiding the fiber from blocking the filter screen 11, causing the recovered lubricating oil to be unable to be filtered, twisting the first screw 12 to make it rotate, the rotation of the first screw 12 makes the two connecting blocks 13 move towards each other, the connecting block 13 drives the pressure roller 14 to move, so that the two pressure rollers 14 press the oiled yarn, extruding the excess lubricating oil on the yarn, the extruded lubricating oil is still located in the lubricating box 3, thereby preventing the lubricating oil on the yarn from falling on the base 1, reducing the waste of lubricating oil, after the squeezed yarn comes out from the outside of the lubricating box 3, there is a small probability of oil dripping, the dropped oil will fall into the collecting box 25 for collection, opening the sealed box door on the lubricating box 3, the parts inside the lubricating box 3 can be repaired and the yarn can be adjusted, opening the sealed box door on the oil tank 5, the oil tank 5 can be added with lubricating oil and the fiber accumulated on the filter screen 11 can be cleaned.

[0032] Any combination of the technical features in the above embodiments can be made, and for the sake of brevity, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combination of the technical features does not exist contradiction, it should be considered as the scope of the description.

[0033] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, under the premise of not departing from the utility model concept, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A sewing machine lubricating structure characterized by comprising: The utility model provides a lubricating device, including base, the top middle part left and right symmetry is provided with fixedly connected with two support plate, two support plate's top surface is fixedly connected with lubricating box together, lubricating box's left and right sides all are equipped with first threading hole, the top middle part of base is fixedly connected with oil storage tank, the bottom of lubricating box is fixedly connected with recovery pipe, recovery pipe's lower extreme is fixedly connected in the top of oil storage tank, the rear side of base top surface is fixedly connected with oil pump, the oil outlet of oil pump is fixedly connected with oil inlet pipe, the one end of oil inlet pipe away from oil pump is fixedly connected in the bottom of oil storage tank rear side, the oil outlet of oil pump is fixedly connected with oil outlet pipe, the one end of oil outlet pipe away from oil pump is fixedly sleeved in the right side of lubricating box top and penetrates to inner chamber, the one end of oil outlet pipe away from oil pump is fixedly connected with oil brush, the side surface of oil storage tank inner wall and close to top place is fixedly connected with with filter screen.

2. The sewing machine lubricating structure according to claim 1, characterized by: The left side of lubricating box top is equipped with through -hole, first screw rod is connected with bearing in through -hole, first screw rod is two -way screw rod, the upper and lower end of first screw rod are all fixedly connected with connecting block with screw, the inner side of two connecting blocks are all connected with bearing pressure roller, the front side of two connecting blocks are jointly movably sleeved with guide rod, the upper end surface of guide rod is fixedly connected with the inner wall top of lubricating box.

3. The sewing machine lubricating structure according to claim 1, characterized by: The right side of oil storage tank and close to top place is equipped with movable hole, connecting rod is movably sleeved in movable hole, the left end surface of connecting rod is fixedly connected with scraper, the top surface of scraper is in contact with the top surface of filter screen, the right side of oil storage tank outer wall and close to bottom place is connected with bearing second screw rod, the right end of second screw rod surface is fixedly connected with connecting plate with screw, the right side of base top surface is fixedly connected with motor, the machine shaft of motor is fixedly connected with the right end surface of second screw rod, the top of connecting plate left side is fixedly connected with the right end surface of connecting rod.

4. The sewing machine lubricating structure according to claim 3, characterized by: Sealing ring is fixedly connected in movable hole, the right end of connecting rod surface is movably sleeved in sealing ring.

5. The sewing machine lubricating structure according to claim 1, wherein: The bottom surface of lubricating box inner wall is fixedly connected with guide plate left and right sides, the top of two guide plates all is to the side of recovery pipe downwardly inclined setting.

6. The sewing machine lubricating structure according to claim 1, wherein: The left and right sides of the top surface of the base are provided with side plates, second threading holes are formed in the side plates, and guide assemblies are arranged on the opposite surfaces of the side plates.

7. The sewing machine lubricating structure according to claim 6, characterized by: A collection box is fixedly connected to the right side of the left side plate and the left side of the lubricating box and close to the bottom.

8. The sewing machine lubricating structure according to claim 1, characterized by: The lubricating box and the oil storage tank are both front opening structures, and the front sides of the lubricating box and the oil storage tank are hingedly connected with a sealing box door.

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