CN220538122U - Needle bar frame and embroidery machine with same - Google Patents

Abstract

The utility model discloses a needle bar frame and an embroidery machine with the same, wherein the needle bar frame comprises a frame body, a needle bar assembly and a guide plate, the needle bar assembly comprises a needle bar, a presser foot and a presser foot guide block, the needle bar is arranged on the frame body, the presser foot guide block is sleeved on the needle bar, the presser foot guide block is in sliding fit with the needle bar, and the presser foot is connected with the needle bar through the presser foot guide block; the guide plate is connected to the front surface of the frame body, and a guide hole matched with the guide block of the presser foot in a guide way is formed in the guide plate. The needle bar frame ensures that the presser foot is not easy to rub with the frame body, reduces the abrasion to the presser foot and prolongs the service life of the presser foot.

Description

Needle bar frame and embroidery machine with same

Technical Field

The utility model relates to the technical field of embroidery machines, in particular to a needle bar frame and an embroidery machine with the needle bar frame.

Background

The needle bar frame is an important structure for installing needle bar components on the machine head of the embroidery machine, and the number and arrangement mode of the needle bar components have important influence on the patterns and colors of the embroidery machine. In the prior art, when embroidery is performed by an embroidery machine, the presser foot can reciprocate at a high speed relative to the frame body under the drive of the needle bar, and when the presser foot moves at a high speed, the presser foot easily shakes, so that the presser foot is rubbed with the frame body, the presser foot is worn, and the service life of the presser foot is shortened.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the needle bar frame provided by the utility model has the advantages that the needle bar frame ensures that the presser foot is not easy to rub with the frame body, the abrasion to the presser foot is reduced, and the service life of the presser foot is prolonged.

According to the needle bar frame, the needle bar frame comprises a frame body, a needle bar assembly and a guide plate, wherein the needle bar assembly comprises a needle bar, a presser foot and a presser foot guide block; the guide plate is connected to the front surface of the frame body, and a guide hole matched with the guide block of the presser foot in a guide way is formed in the guide plate.

According to the needle bar frame, the presser foot is connected with the needle bar through the presser foot guide block, and the guide plate is provided with the guide hole matched with the presser foot guide block in a guide way, so that the presser foot can move along the direction of the guide hole along with the presser foot guide block, the presser foot is not easy to shake, and the presser foot is not in direct contact with the guide hole, so that the presser foot is not easy to rub with the needle bar frame, the abrasion is reduced, and the service life is prolonged.

According to some embodiments of the utility model, two opposite guide protrusions are arranged on two sides of the guide plate along the length direction of the guide hole, and the guide protrusions are located on one side of the guide plate facing the frame body.

According to some embodiments of the utility model, the guide projection is tapered in the direction of the guide plate to the frame.

According to some embodiments of the utility model, the guide projection has a length smaller than the length of the guide hole, and the guide projection is located at the upper end of the guide hole.

According to some embodiments of the utility model, the needle bar assembly further comprises a needle bar guide block sleeved on the needle bar, the needle bar guide block and the presser foot guide block are arranged up and down, the guide plate is provided with an avoidance hole, and the avoidance hole and the guide hole are arranged up and down.

According to some embodiments of the utility model, the side of the guide plate facing the needle bar is provided with a avoidance zone for avoiding the needle bar guide block.

According to some embodiments of the utility model, the surface of the guide plate facing the needle bar comprises a first face and a second face, the avoidance hole is positioned on the first face, the guide hole is positioned on the second face, the distance from the first face to the surface of the guide plate facing away from the frame body is a, and the distance from the second face to the surface of the guide plate facing away from the frame body is b, wherein a < b is less than a so as to form the avoidance area.

According to some embodiments of the utility model, b-a=c, wherein 0.5mm < c < 3.5mm.

An embroidery machine according to an embodiment of the second aspect of the utility model includes the needle bar frame in the above embodiment.

According to the embroidery machine, the needle bar frame in the embodiment is adopted, so that the stability of the embroidery machine is improved, and the service life of the embroidery machine is prolonged.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic view of a needle bar frame structure according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an angle of a needle bar carrier according to an embodiment of the present utility model;

FIG. 3 is an exploded view of another angle of a needle bar carrier according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of a needle bar according to an embodiment of the present utility model;

fig. 5 is a schematic view of a first angle of a guide plate according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a second angle of a deflector according to an embodiment of the present utility model;

fig. 7 is a schematic view of a third angle of a guide plate according to an embodiment of the present utility model;

fig. 8 is a schematic view of the structure of the needle bar frame mated with the guide plate according to the embodiment of the present utility model.

Reference numerals:

needle bar frame 100,

A frame body 10, a limit bulge 11,

Needle bar assembly 20, needle bar 21, presser foot 22, presser foot guide block 23, groove 231, needle bar guide block 24,

The guide plate 30, the first face 30a, the second face 30b, the guide hole 31, the guide protrusion 32, the avoidance hole 33 and the limit groove 34.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

The needle bar rack 100 according to the embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1-3, a needle bar frame 100 according to an embodiment of the first aspect of the present utility model includes a frame body 10, a needle bar assembly 20 and a guide plate 30, the needle bar assembly 20 includes a needle bar 21, a presser foot 22 and a presser foot guide block 23, the needle bar 21 is mounted on the frame body 10, the presser foot guide block 23 is sleeved on the needle bar 21, and the presser foot guide block 23 is in sliding fit with the needle bar 21, and the presser foot 22 is connected with the needle bar 21 through the presser foot guide block 23; the guide plate 30 is connected to the front surface of the frame 10, and the guide plate 30 is provided with a guide hole 31 in guide fit with the presser foot guide block 23.

In particular, as shown in fig. 1 to 3, the needle bar frame 100 in the embodiment of the present utility model includes a frame body 10, and the frame body 10 is used for supporting, for example, the frame body 10 may support the needle bar assembly 20, the guide plate 30, and the like.

The frame body 10 comprises two longitudinal beams and at least one transverse beam, wherein the two longitudinal beams are arranged at intervals along the horizontal direction, the transverse beam is connected between the two longitudinal beams along the horizontal direction, and a plurality of holes for installing the needle bars 21 are formed in the transverse beam.

The needle bar assembly 20 includes a needle bar 21, a presser foot 22, and a presser foot guide block 23, the needle bar 21 being inserted into a hole in the cross beam in a vertical direction to be mounted on the frame body 10, the needle bar 21 being used for mounting a needle, the presser foot 22 being used for pressing against an object to be embroidered, so that the needle is embroidered on the object to be embroidered. The presser foot guide block 23 is used to guide the movement of the presser foot 22 so that the presser foot 22 can stably move. The presser foot guide block 23 is sleeved on the needle bar 21, and the presser foot guide block 23 is in sliding fit with the needle bar 21, so that the presser foot guide block 23 can stably slide up and down along the needle bar 21, and the presser foot 22 is connected with the needle bar 21 through the presser foot guide block 23, so that the presser foot 22 can also stably slide up and down along the needle bar 21. Specifically, the side of the presser foot guide block 23 facing the guide plate 30 is provided with a groove 231, and one end of the presser foot 22 is connected to the groove 231.

The deflector 30 is connected to the front surface of the frame 10, so that the deflector 30 is connected with the frame 10 by the fastener, and the operation is convenient. Specifically, the frame body 10 is provided with a limiting protrusion 11, the guide plate 30 is provided with a limiting groove 34 matched with the limiting protrusion 11, and the guide plate 30 and the frame body 10 are limited through the limiting protrusion 11 and the limiting groove 34, so that the assembly is convenient. Be equipped with on the deflector 30 with presser foot guide block 23 direction complex guiding hole 31, through with the presser foot guide block 23 with the guiding hole 31 cooperation on the deflector 30 for presser foot guide block 23 can slide from top to bottom along guiding hole 31 is stable, thereby drives presser foot 22 and follows presser foot guide block 23 along guiding hole 31 direction motion, is difficult for taking place to rock, and presser foot 22 and guiding hole 31 direct contact, consequently, presser foot 22 is difficult for taking place the friction with needle bar frame 100, has reduced wearing and tearing, has prolonged life.

Therefore, according to the needle bar frame 100 of the utility model, the presser foot 22 is connected with the needle bar 21 through the presser foot guide block 23, and the guide plate 30 is provided with the guide hole 31 in guide fit with the presser foot guide block 23, so that the presser foot 22 can move along the direction of the guide hole 31 along with the presser foot guide block 23, the rocking is not easy to happen, and the presser foot 22 is not in direct contact with the guide hole 31, therefore, the presser foot 22 is not easy to rub with the needle bar frame 100, the abrasion is reduced, and the service life is prolonged.

The front surface of the frame body 10 is a surface on which an operator stands when operating the needle bar frame 100.

In some embodiments of the present utility model, as shown in fig. 3 and 6, two guide protrusions 32 are disposed on both sides of the guide plate 30 in the length direction of the guide hole 31, and the guide protrusions 32 are located at one side of the guide plate 30 facing the frame body 10. By providing two opposing guide protrusions 32 on both sides of the length direction of the guide hole 31, the presser foot guide block 23 can be fitted between the adjacent two guide protrusions 32, facilitating the fitting.

In some embodiments, the minimum distance between two adjacent guide protrusions 32 may be equal to or greater than the width dimension of the guide hole 31 of the presser foot guide block 23. In this application scheme, the minimum distance between two adjacent guide protrusions 32 equals the size of presser foot guide block 23 guiding hole 31 width direction, and in this way, presser foot guide block 23 both sides face can laminate with the side of adjacent guide protrusion 32 respectively, has improved the accuracy of deflector 30 and support body 10 assembly.

In some embodiments of the present utility model, as shown in fig. 3 and 6, the guide protrusions 32 are tapered in the direction from the guide plate 30 to the frame body 10. The guide protrusions 32 are arranged in a tapered shape in the direction from the guide plate 30 to the frame body 10, so that the presser foot guide block 23 can be conveniently assembled along the direction from the frame body 10 to the guide plate 30, and the assembly efficiency is improved.

In some embodiments of the present utility model, as shown in fig. 3 and 6, the guide protrusion 32 has a length smaller than that of the guide hole 31, and the guide protrusion 32 is located at the upper end of the guide hole 31. By setting the length of the guide projection 32 smaller than the length of the guide hole 31, the production is facilitated and the cost is saved. A guide protrusion 32 is provided at an upper end of the guide hole 31 so as to assemble the presser foot guide block 23 with the guide protrusion 32 when the presser foot 22 is in the extended state.

In some embodiments, one or more guide protrusions 32 may be provided along the length of the guide hole 31, and in this embodiment, one guide protrusion 32 is provided along the length of the guide hole 31 for the convenience of production.

In some embodiments, the length of the guide projection 32 is 1/5-2/1 of the length of the guide hole 31. For example, the length of the guide projection 32 is 1/5, 2/5, 1/4, 1/3, 1/2, etc. of the length of the guide hole 31. Preferably, the length of the guide protrusion 32 is 1/4 of the length of the guide hole 31.

In some embodiments of the present utility model, as shown in fig. 4 and 5, the needle bar assembly 20 further includes a needle bar guide block 24 sleeved on the needle bar 21, the needle bar guide block 24 and the presser foot guide block 23 are disposed up and down, and the guide plate 30 is provided with a dodging hole 33, and the dodging hole 33 and the guide hole 31 are disposed up and down. By providing the needle bar guide block 24, the movement of the needle bar 21 can be guided, so that the needle bar 21 can move stably. Through set up dodge hole 33 on deflector 30, dodge hole 33 and needle bar guide block 24 correspond the setting for after deflector 30 installs on support body 10, can be through dodging hole 33 with needle bar guide block 24 install on the needle bar 21, easy to assemble.

In some embodiments of the present utility model, as shown in fig. 6 and 7, the side of the guide plate 30 facing the needle shaft 21 is provided with a relief area to relieve the needle shaft guide block 24. Through set up the district of dodging in the one side of deflector 30 towards needle bar 21 for needle bar guide block 24 can dodge needle bar guide block 24 when following needle bar 21 up-and-down motion, is difficult for producing to block, has guaranteed the normal motion of needle bar 21.

It is understood that the relief area may be equal to or greater than the area of movement of the needle bar guide block 24. In this embodiment, the area of avoidance is greater than the area of movement of the needle bar guide block 24.

In some embodiments of the present utility model, as shown in fig. 7 and 8, the surface of the guide plate 30 facing the needle bar 21 includes a first face 30a and a second face 30b, the escape hole 33 is located at the first face 30a, the guide hole 31 is located at the second face 30b, the distance from the first face 30a to the surface of the guide plate 30 facing away from the frame 10 is a, and the distance from the second face 30b to the surface of the guide plate 30 facing away from the frame 10 is b, where a < b, so as to form the escape area. The distance from the whole surface of the first face 30a to the surface of the guide plate 30, which is opposite to the frame body 10, is set to be smaller than the distance from the second face 30b to the surface of the guide plate 30, which is opposite to the frame body 10, so that the needle bar guide block 24 is not easy to block when moving in the area of the first face 30a, the normal movement of the needle bar 21 is ensured, and meanwhile, the distance from the whole surface of the first face 30a to the surface of the guide plate 30, which is opposite to the frame body 10, is set to be a, thereby facilitating the processing and production and improving the production efficiency.

In some embodiments of the present utility model, b-a=c, where 0.5mm < c < 3.5mm, as shown in fig. 7. Through setting c to be greater than 0.5mm, and be less than 3.5mm for first panel 30a can effectively dodge needle bar guide block 24, simultaneously, has guaranteed the stability of deflector 30 structure.

Specifically, c may be 0.6mm, 0.7mm, 1.0mm, 1.6mm, 2.4mm, 3.2mm, etc. Of course, it is understood that c may be 0.5mm or less, or 3.5mm or more, as long as the needle bar guide block 24 can be effectively avoided, and for example, c may be 0.5mm, 0.45mm, or the like, or 3.5mm, 3.6mm, or the like.

An embroidery machine according to an embodiment of the second aspect of the utility model includes the needle bar frame 100 in the above-described embodiment.

According to the embroidery machine of the present utility model, by adopting the needle bar frame 100 in the above-described embodiment, the stability of the embroidery machine is improved and the service life of the embroidery machine is prolonged.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A needle bar carrier, comprising:

a frame body (10);

the needle bar assembly (20), the needle bar assembly (20) comprises a needle bar (21), a presser foot (22) and a presser foot guide block (23), the needle bar (21) is installed on the frame body (10), the presser foot guide block (23) is sleeved on the needle bar (21), the presser foot guide block (23) is in sliding fit with the needle bar (21), and the presser foot (22) is connected with the needle bar (21) through the presser foot guide block (23);

the guide plate (30), guide plate (30) connect in support body (10) openly, be equipped with on guide plate (30) with presser foot guide block (23) direction matched guiding hole (31).

2. Needle bar frame according to claim 1, characterized in that two oppositely arranged guide protrusions (32) are arranged on the guide plate (30) along the two sides of the length direction of the guide hole (31), and the guide protrusions (32) are positioned on the side of the guide plate (30) facing the frame body (10).

3. Needle bar rack according to claim 2, characterized in that the guide projection (32) is tapered in the direction of the guide plate (30) to the rack body (10).

4. A needle bar frame according to claim 3, characterized in that the length of the guide projection (32) is smaller than the length of the guide hole (31), the guide projection (32) being located at the upper end of the guide hole (31).

5. The needle bar frame according to claim 1, wherein the needle bar assembly (20) further comprises a needle bar guide block (24) sleeved on the needle bar (21), the needle bar guide block (24) and the presser foot guide block (23) are arranged up and down, the guide plate (30) is provided with an avoidance hole (33), and the avoidance hole (33) and the guide hole (31) are arranged up and down.

6. Needle bar frame according to claim 5, characterized in that the side of the guide plate (30) facing the needle bar (21) is provided with a relief zone for relieving the needle bar guide block (24).

7. Needle bar rack according to claim 6, characterized in that the surface of the guide plate (30) facing the needle bar (21) comprises a first face (30 a) and a second face (30 b), the avoidance hole (33) is located in the first face (30 a), the guide hole (31) is located in the second face (30 b), the distance of the first face (30 a) to the surface of the guide plate (30) facing away from the rack body (10) is a, the distance of the second face (30 b) to the surface of the guide plate (30) facing away from the rack body (10) is b, wherein a < b, to form the avoidance zone.

8. The needle bar frame of claim 7, wherein b-a = c, wherein 0.5mm < c < 3.5mm.

9. An embroidery machine characterized by comprising a needle bar frame (100) according to any one of claims 1-8.