An oil lubrication device and a computerized embroidery machine

Abstract

This application discloses an oil lubrication device and a computerized embroidery machine. The oil lubrication device includes an oil collection box and an oil collection pipe. The oil collection box is installed at the lower part of the machine head of the computerized embroidery machine. Several oil collection boxes are arranged in the same direction, and the length of the oil collection pipe extends in the same direction as the arrangement of the oil collection boxes, connecting to each oil collection box. Lubricating oil dripping from each machine head is collected by its corresponding independent oil collection box, effectively preventing the problem of lubricating oil splashing or dripping and contaminating the embroidery fabric. The oil collection pipe, by connecting to all the oil collection boxes, can collect the lubricating oil dispersed in each box, facilitating unified treatment or recycling of lubricating oil containing impurities. The design of the oil collection box and oil collection pipe does not occupy additional space, has a compact structure, and is suitable for computerized embroidery machines with small or large head spacing.

Description

Technical Field

[0001] This utility model generally relates to the field of embroidery machine technology, and more particularly to an oil lubrication device and a computerized embroidery machine. Background Technology

[0002] In the field of computerized embroidery machine technology, the technique of lubricating the connecting rods and bearings inside the machine head by simply applying grease to the connecting rods has the following drawbacks: when the connecting rods inside the machine head move at high speed, the grease will be gradually consumed and may cause internal contamination of the machine head, which will shorten the life of the machine head and limit the operating speed and stability of the machine head. Utility Model Content

[0003] This utility model provides an oil lubrication device, including: an oil receiving box and an oil collecting pipe.

[0004] The oil collection box is used to install on the lower part of the head of the computer embroidery machine. Several oil collection boxes are arranged in the same direction. The length extension direction of the oil collection pipe matches the arrangement direction of the oil collection boxes. The oil collection pipe is connected to each of the oil collection boxes.

[0005] As one possible implementation, a connecting structure is provided at the connection point between the oil receiving box and the machine head. The connecting structure consists of a buckle and a first slot that cooperate with each other and can be selectively connected or separated. The buckle is disposed on the oil receiving box, and the first slot is disposed on the machine head; alternatively, the buckle is disposed on the machine head, and the first slot is disposed on the oil receiving box. Alternatively, the connection structure includes a threaded hole, a connecting hole, and a fastener that passes through the connecting hole and is threadedly connected to the threaded hole, wherein the connecting hole is located on the machine head and the threaded hole is located on the oil receiving box; or, the threaded hole is located on the machine head and the connecting hole is located on the oil receiving box.

[0006] As an implementation method, the oil receiving box is provided with a first slot, and the buckle is detachably connected to the machine head.

[0007] As an implementation method, the buckle is configured as a pin, the machine head includes a machine housing, the machine housing has a left side wall and a right side wall disposed opposite to each other and a bottom wall connecting the left side wall and the right side wall, a first left buckle mounting notch is provided at the connection between the left side wall and the bottom wall, and a pin is inserted into a through hole in the first left buckle mounting notch, so that the pin is hidden in the first left buckle mounting notch; The right side wall and the bottom wall are provided with a first right buckle mounting notch, and another pin is inserted into the through hole of the first right buckle mounting notch, so that the pin is hidden in the first right buckle mounting notch.

[0008] As an alternative implementation, the oil collection box is located below the housing.

[0009] The oil receiving box protrudes from the surface of the housing to form an oil receiving chamber, and the protrusion forms a protruding post. Two protruding posts are located on the left and right sides of the oil receiving chamber. The end of the protruding post forms the first slot. The first slot is higher in the vertical direction than the oil receiving chamber in the vertical direction. The oil receiving box is installed on the housing from bottom to top, and the first slot is engaged with the pin.

[0010] As an alternative implementation, an anti-rotation component is also included, which engages with the oil receiving box to prevent rotation, thereby keeping the oil receiving box stationary relative to the pin.

[0011] As one possible implementation, the surface of the oil receiving box facing the housing protrudes further into the housing to form an anti-rotation locking groove, the anti-rotation locking groove being located between the protrusion and the oil receiving chamber. The anti-rotation component is clamped between the first slot and the through hole opening. The pin passes through the anti-rotation component. The lower end of the anti-rotation component is engaged with the anti-rotation slot, and the upper end abuts against the first left buckle mounting notch or the first right buckle mounting notch.

[0012] As an alternative implementation, the oil collecting pipe is located below the oil receiving box, and the surface of the oil receiving box facing the oil collecting pipe is provided with a second slot adapted to the oil collecting pipe.

[0013] As an alternative implementation, the oil receiving box has an oil outlet nozzle on its surface facing the oil collecting pipe, which communicates with the oil receiving box. The oil outlet nozzle can extend into the oil collecting pipe, and the bottom of the second slot forms the oil outlet nozzle. The oil collecting pipe is provided with an oil outlet nozzle hole through which the oil outlet nozzle passes. When the second slot is engaged with the oil collecting pipe, the bottom of the second slot seals the oil outlet nozzle hole.

[0014] This utility model also provides a computerized embroidery machine, including the above-mentioned oil lubrication device.

[0015] The above solution effectively prevents lubricating oil from splashing or dripping and contaminating the embroidery fabric by collecting the lubricating oil dripping from each machine head into its corresponding independent oil collection box. The oil collection pipe connects to all the oil collection boxes, allowing for the centralized treatment or recycling of any lubricating oil containing impurities. The design of the oil collection boxes and pipe is space-saving, compact, and suitable for computerized embroidery machines with small or large head spacing. Attached Figure Description

[0016] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 A schematic diagram of the arrangement of several machine heads provided for an embodiment of this utility model; Figure 2 This is a schematic diagram illustrating the structure of the connection between the machine head and the first type of oil lubrication device provided in an embodiment of the present invention. Figure 3 for Figure 2 An explosion diagram; Figure 4 for Figure 3 A magnified view of a portion of the image; Figure 5 Schematic diagram of the oil receiving box structure provided in the embodiment of this utility model Figure 1 ; Figure 6 Schematic diagram of the oil receiving box structure provided in the embodiment of this utility model Figure 2 ; Figure 7 This is a schematic diagram illustrating the connection between the machine head and the second type of oil lubrication device provided in an embodiment of the present invention. Figure 8 for Figure 7 An explosion diagram; Oil lubrication device 10, oil receiving box 11, oil receiving chamber 111, anti-rotation retaining groove 112, first retaining groove 113, oil outlet nozzle 114, clearance chamber 115, second retaining groove 116, connecting hole 117; Oil collection pipe 12, oil outlet nozzle hole 121, baffle 13, anti-rotation component 14; 20. Housing 21. Buckle 201. First left buckle mounting notch 202. First right buckle mounting notch 203. Baffle mounting position 204. Second right buckle mounting notch 205. Detailed Implementation

[0017] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0018] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0019] At least see Figures 1-8 As shown, this application provides a computerized embroidery machine, including a plurality of machine heads arranged in the same direction. For example, as... Figure 1 As shown, several machine heads are arranged at equal intervals along the left and right directions.

[0020] Each sewing head includes a housing 20, a transmission mechanism, a thread take-up linkage assembly, and an oil lubrication device 10. The thread take-up linkage assembly is located outside the housing 20, while the transmission mechanism is located inside the housing 20. The transmission mechanism includes a presser foot drive linkage assembly, a needle bar drive linkage assembly, a guide shaft, and a presser foot driver and a needle bar driver mounted on the guide shaft. The oil lubrication device 10 provides lubricating oil to the lubrication points of the thread take-up linkage assembly, the presser foot drive linkage assembly, the needle bar drive linkage assembly, and the guide shaft to prevent wear on these points, thereby extending their service life.

[0021] Among them, such as Figure 2 and Figure 3 As shown, the oil lubrication device 10 includes: an oil receiving box 11, an oil collecting pipe 12, an oil storage box, and an oil pump. The oil receiving box 11 is installed at the lower part of the machine head, and each oil receiving box 11 corresponds to one of the machine heads. Several oil receiving boxes 11 are arranged at equal intervals along the same direction (or, in other words, along the left and right direction).

[0022] The oil pump draws lubricating oil from the reservoir to the lubrication points of the thread take-up linkage assembly, the presser foot drive linkage assembly, the needle bar drive linkage assembly, and the guide shaft. The oil pump's operation can be controlled by a time relay, allowing lubricating oil to be drawn from the reservoir to each lubrication point at preset intervals.

[0023] The length of the oil collecting pipe 12 extends in a direction that matches the arrangement direction of the oil receiving boxes 11. For example, the length of the oil collecting pipe 12 extends approximately in the left-right direction, or the length of the oil collecting pipe 12 extends in the left-right direction. The oil collecting pipe 12 can be located in front of each oil receiving box 11, or it can be located behind each oil receiving box 11, or it can be located below each oil receiving box 11. The oil collecting pipe 12 is connected to each oil receiving box 11. The oil receiving box 11 receives lubricating oil dripping from the lubrication points of the self-lifting link assembly, the presser foot drive link assembly, the needle bar drive link assembly, and the guide shaft, thus preventing the dripping lubricating oil from contaminating the fabric. The oil collecting pipe 12 collects the lubricating oil in each oil receiving box 11, and this lubricating oil can be recycled to a recycling box. Since the lubricating oil after lubrication will contain impurities, it can be reused or poured into a preset position depending on its cleanliness.

[0024] In this embodiment, the lubricating oil dripping from each machine head is collected by its corresponding independent oil collection box 11, effectively preventing the problem of lubricating oil splashing or dripping and contaminating the embroidery fabric. The oil collection pipe 12, connected to all the oil collection boxes 11, can collect the lubricating oil dispersed in each oil collection box 11, facilitating the unified treatment or recycling of lubricating oil with impurities. The design of the oil collection box 11 and the oil collection pipe 12 does not occupy extra space, has a compact structure, and is suitable for computerized embroidery machines with small or large head spacing.

[0025] Among them, such as Figure 3 and Figure 4 As shown, a connecting structure is provided at the connection point between the oil receiving box 11 and the machine head. This connecting structure consists of a latch 21 and a first slot 113 that cooperate and can be selectively connected or separated. The latch 21 is located on the oil receiving box 11, and the first slot 113 is located on the machine head; alternatively, the latch 21 is located on the machine head, and the first slot 113 is located on the oil receiving box 11. Through the cooperation of the latch 21 and the slot, operators can easily install and remove the oil receiving box 11 without tools or with simple operations. This makes cleaning accumulated waste oil and impurities from the oil receiving box 11, replacing the oil receiving box 11, or performing maintenance on the underside of the machine head simple and quick, reducing the labor intensity and maintenance costs for operators.

[0026] In one specific embodiment, the oil receiving box 11 is provided with a first slot 113, and the buckle 21 is detachably connected to the machine head. More specifically, as... Figure 5 and Figure 6 As shown, the oil receiving box 11 is located below the housing 20. The surface of the oil receiving box 11 facing the housing 20 protrudes towards the housing 20 to form an oil receiving chamber 111, and the protrusion forms a protruding post. Two protruding posts are located on the left and right sides of the oil receiving chamber 111, and the ends of the protruding posts form a first retaining groove 113. The first retaining groove 113 is higher in the vertical direction than the vertical height of the oil receiving chamber 111. The oil receiving chamber 111 can be rectangular, circular, elliptical, etc. A clearance chamber 115 is also provided inside the oil receiving chamber 111 for the line-drawing knife to pass through.

[0027] like Figure 3 and Figure 4As shown, the buckle 21 is configured as a pin. The machine head includes a housing 20, which has a left side wall and a right side wall opposite to each other, and a bottom wall connecting the left side wall and the right side wall. A first left buckle mounting notch 201 is provided at the connection between the left side wall and the bottom wall, and a first right buckle mounting notch 202 is provided at the connection between the right side wall and the bottom wall. The first left buckle mounting notch 201 and the first right buckle mounting notch 202 can be rectangular notches. A first through hole is provided on the left side wall of the first left buckle mounting notch 201, and a second through hole is provided on the right side wall of the first right buckle mounting notch 202. The left and right notch side walls are arranged opposite to each other in the left-right direction. The cross-sections of the first and second through holes are circular, and their axes are on the same straight line.

[0028] One pin is inserted into the first through hole of the first left snap-fit ​​mounting notch 201. The pin can be hidden in the first left snap-fit ​​mounting notch 201 to avoid occupying additional space between the left side wall of the housing 20 and the right side wall of the adjacent machine head housing 20. The other pin is inserted into the second through hole of the first right snap-fit ​​mounting notch 202. The pin can be hidden in the first right snap-fit ​​mounting notch 202 to avoid occupying additional space between the right side wall of the housing 20 and the left side wall of the adjacent machine head housing 20. Next, the oil receiving box 11 moves from bottom to top, and the first slot 113 of the oil receiving chamber 111 engages with the pin, realizing the installation of the oil receiving box 11 on the machine head.

[0029] It should be noted that the pin is a rigid component that can provide stable and reliable support. After the oil receiving box 11 is installed, it is firmly supported in the vertical direction through the cooperation of the pin and the first slot 113, and is not easy to loosen due to the vibration of the machine head.

[0030] Of course, it is understandable that those skilled in the art can adapt the position of the pin and the first slot 113 in space to enable the oil receiving box 11 to be installed on the machine head from front to back.

[0031] In another specific embodiment, the connection structure includes an elastic buckle (not shown), a first groove (not shown) disposed in the oil receiving box 11, and a second groove (not shown) disposed in the housing 20. When the oil receiving box 11 is placed at a preset position below the housing 20, the first groove and the second groove correspond at this moment. The first buckle portion on the elastic buckle engages with the first groove, and the second buckle portion engages with the second groove, thereby enabling the oil receiving box 11 to be installed on the machine head.

[0032] In practical applications, the oil receiving box 11 is prone to swinging relative to the pin in the front-to-back direction. Based on this, the oil lubrication device 10 also includes an anti-rotation member 14. The anti-rotation member 14 engages with the oil receiving box 11 to prevent rotation, so that the oil receiving box 11 remains stationary relative to the pin.

[0033] In detail, such as Figure 3 , Figure 4and Figure 5 As shown, the surface of the oil receiving box 11 facing the housing 20 protrudes further to form an anti-rotation locking groove 112, which is located between the protrusion and the oil receiving chamber 111. The anti-rotation member 14 can be arranged vertically, and is clamped between the first locking groove 113 and the first through hole opening, or / and, is clamped between the first locking groove 113 and the second through hole opening. The pin passes through the anti-rotation member 14, and the lower end of the anti-rotation member 14 is engaged with the anti-rotation locking groove 112, while the upper end abuts against the first left snap-fit ​​mounting notch 201 or the first right snap-fit ​​mounting notch 202. When the oil receiving box 11 tends to swing back and forth, the anti-rotation member 14 will be immediately compressed or stretched. Because its upper end is firmly pressed against the housing 20 and its lower end is locked onto the oil receiving box 11, it can immediately generate a reaction force to resist any torque that attempts to make it rotate around the pin, thus completely locking the freedom of the oil receiving box 11 to swing back and forth. In addition, the anti-rotation component 14 cleverly utilizes the space of the existing buckle 21 mounting notch on the housing 20, avoiding taking up extra space.

[0034] The oil receiving box 11 is provided with a connecting structure at the position where it connects to the machine head. The connecting structure includes a threaded hole, a connecting hole 117, and a fastener that passes through the connecting hole 117 and is threadedly connected to the threaded hole. The connecting hole 117 is located on the machine head, and the threaded hole is located on the oil receiving box 11; or, the threaded hole is located on the machine head, and the connecting hole 117 is located on the oil receiving box 11.

[0035] like Figure 7 and Figure 8 As shown, the housing 20 has a left side wall and a right side wall opposite to each other, and a front side wall connecting the left side wall and the right side wall. An opening is provided on the front side wall for corresponding to the needle bar holder. A second left snap-fit ​​mounting notch 205 is provided at the connection between the left side wall and the front side wall, and a second right snap-fit ​​mounting notch 204 is provided at the connection between the right side wall and the front side wall. The second left snap-fit ​​mounting notch 205 and the second right snap-fit ​​mounting notch 204 can be rectangular notches. A first threaded hole is provided on the front notch side wall of the second left snap-fit ​​mounting notch 205, and a second threaded hole is provided on the front notch side wall of the second right snap-fit ​​mounting notch 204. The first threaded hole and the second threaded hole have circular cross-sections, and their axes extend in the front-rear direction and are arranged parallel to each other.

[0036] The oil receiving box 11 protrudes from the surface of the housing 20 to form an oil receiving chamber 111, and the protrusion forms a protrusion. Two protrusions are located on the left and right sides of the oil receiving chamber 111, and the ends of the protrusions form connecting holes 117. The oil receiving box 11 is placed from front to back in a preset position under the housing 20, with the protrusions located at the second left snap-fit ​​mounting notch 205 or the second right snap-fit ​​mounting notch 204. Fasteners pass through the connecting holes 117 and are threaded into the threaded holes, thus installing the oil receiving box 11 on the machine head.

[0037] It should be noted that, since the oil receiving box 11 is placed in a preset position below the housing 20 from front to back, the operator's tools can easily be used to tighten screws in the space below the machine head in the small head distance, avoiding the influence of the narrow space between two adjacent machine heads.

[0038] Among them, such as Figures 3-6 As shown, the oil collecting pipe 12 is located below the oil receiving box 11. The surface of the oil receiving box 11 facing the oil collecting pipe 12 is provided with a second slot 116 that is adapted to the oil collecting pipe 12. When installing the oil collecting pipe 12, it can be quickly and accurately connected to the oil receiving box 11 at the same time.

[0039] In addition, the oil receiving box 11 is provided with an oil outlet nozzle 114 communicating with the oil receiving box 11 on its surface facing the oil collecting pipe 12. The oil outlet nozzle 114 can extend into the oil collecting pipe 12, and the bottom of the second slot 116 forms the oil outlet nozzle 114. The oil collecting pipe 12 is provided with an oil outlet nozzle hole 121 through which the oil outlet nozzle 114 passes. When the second slot 116 is engaged with the oil collecting pipe 12, the bottom of the second slot 116 seals the oil outlet nozzle hole 121.

[0040] When the second slot 116 is engaged with the oil collection pipe 12, the bottom of the second slot 116 seals the oil outlet port 121 on the oil collection pipe 12. This prevents impurities in the external environment from causing secondary contamination of the used lubricating oil and avoids affecting the secondary recycling and reuse of the lubricating oil; at the same time, it eliminates the possibility of lubricating oil evaporating from the oil outlet port 121.

[0041] Among them, such as Figure 3 and Figure 8 As shown, the oil lubrication device 10 also includes a baffle 13, which is installed at the baffle mounting position 203 of the housing 20.

[0042] It should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer" used above to indicate orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "frame" and "layout" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "frame" or "layout" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0043] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. An oil lubrication device (10), characterized in that, include: An oil collection box (11) is used to install on the lower part of the head of a computerized embroidery machine, and several of the oil collection boxes (11) are arranged in the same direction. The oil collecting pipe (12) extends in a direction that matches the direction of the oil receiving boxes (11), and the oil collecting pipe (12) is connected to each of the oil receiving boxes (11).

2. The oil lubrication device (10) according to claim 1, characterized in that The oil receiving box (11) is provided with a connection structure at the position where it is connected to the machine head. The connection structure consists of a buckle (21) and a first slot (113) that cooperate with each other and can be selectively connected or separated. The buckle (21) is disposed on the oil receiving box (11), and the first slot (113) is disposed on the machine head; or, the buckle (21) is disposed on the machine head, and the first slot (113) is disposed on the oil receiving box (11). Alternatively, the connection structure includes a threaded hole, a connecting hole (117), and a fastener that passes through the connecting hole (117) and is threadedly connected to the threaded hole, wherein the connecting hole (117) is located on the machine head and the threaded hole is located on the oil receiving box (11); or, the threaded hole is located on the machine head and the connecting hole (117) is located on the oil receiving box (11).

3. The oil lubrication device (10) according to claim 2, characterized in that The oil receiving box (11) is provided with a first slot (113), and the buckle (21) is detachably connected to the machine head.

4. The oil lubrication device (10) according to claim 3, characterized in that The buckle (21) is configured as a pin. The machine head includes a housing (20), the housing (20) has a left side wall and a right side wall arranged opposite to each other and a bottom wall connecting the left side wall and the right side wall. A first left snap-fit ​​mounting notch (201) is provided at the connection between the left side wall and the bottom wall. A pin is inserted into the through hole of the first left snap-fit ​​mounting notch (201) so that the pin is hidden in the first left snap-fit ​​mounting notch (201). The right side wall and the bottom wall are provided with a first right buckle mounting notch (202), and another pin is inserted into the through hole of the first right buckle mounting notch (202), so that the pin is hidden in the first right buckle mounting notch (202).

5. The oil lubrication device (10) according to claim 4, characterized in that The oil receiving box (11) is located below the housing (20). The oil receiving box (11) protrudes from the surface of the housing (20) to form an oil receiving chamber (111), and the protrusion forms a protruding post. The two protruding posts are located on the left and right sides of the oil receiving chamber (111). The first slot (113) is formed at the end of the protruding post. The height of the first slot (113) in the vertical direction is higher than the height of the oil receiving chamber (111) in the vertical direction. The oil receiving box (11) is installed on the housing (20) from bottom to top. The first slot (113) is engaged with the pin.

6. The oil lubrication device (10) according to claim 5, characterized in that It also includes a stop-rotation component (14). The anti-rotation component (14) engages with the oil receiving box (11) to prevent rotation, so that the oil receiving box (11) remains stationary relative to the pin.

7. The oil lubrication device (10) according to claim 6, characterized in that The oil receiving box (11) has a protrusion on the surface facing the housing (20) to form an anti-rotation locking groove (112), which is located between the protrusion and the oil receiving chamber (111). The anti-rotation component (14) is clamped between the first slot (113) and the through hole opening. The pin passes through the anti-rotation component (14). The lower end of the anti-rotation component (14) is engaged with the anti-rotation slot (112), and the upper end abuts against the first left buckle mounting notch (201) or the first right buckle mounting notch (202).

8. The oil lubrication device (10) according to claim 1, characterized in that The oil collecting pipe (12) is located below the oil receiving box (11), and the surface of the oil receiving box (11) facing the oil collecting pipe (12) is provided with a second slot (116) that is adapted to the oil collecting pipe (12).

9. The oil lubrication device (10) according to claim 8, characterized in that The oil receiving box (11) is provided with an oil outlet nozzle (114) communicating with the oil receiving box (11) on the surface facing the oil collecting pipe (12). The oil outlet nozzle (114) can extend into the oil collecting pipe (12), and the bottom of the second slot (116) forms the oil outlet nozzle (114). The oil collecting pipe (12) is provided with an oil outlet hole (121) through which the oil outlet nozzle (114) passes. When the second slot (116) is engaged with the oil collecting pipe (12), the bottom of the second slot (116) seals the oil outlet hole (121).

10. A computerized embroidery machine characterized in that, The oil lubrication device (10) includes any one of claims 1-9.

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