CN222809700U - A wire release device for an overlocking machine - Google Patents

Abstract

The utility model relates to the technical field of edge locking machines, and specifically to a wire-releasing device of an edge locking machine, comprising a base plate and a frame rotatably mounted above the base plate, a center cylinder being fixedly mounted at the top center of the frame, two telescopic adjustment components both comprising telescopic cylinders that telescopically slide through and extend out of the outer wall of the frame and are arranged in parallel up and down, a rotating shaft driven by a motor thereby driving a gear to rotate, thereby meshing and driving an L-shaped rack to move linearly to both sides, thereby pushing the entire telescopic adjustment component including an extrusion plate to expand outward, and being able to quickly complete the installation and disassembly of cylindrical inner cavity wire rollers with different inner diameter specifications, and having the initial characteristic of being easy to use, and through the rotation of the telescopic rod and the extrusion plate and the relative sliding of the telescopic rod and the telescopic cylinder, the extrusion plate is tilted and fully fits with the inner wall of the conical inner cavity wire roller, and being able to quickly complete the installation and disassembly of the conical inner cavity wire rollers with different inner diameter specifications, and further having the characteristic of being easy to use.

Description

Paying-off device of overlock machine

Technical Field

The utility model relates to the technical field of serging machines, in particular to a paying-off device of a serging machine.

Background

The lockstitch sewing machine is also called an overedger, and is generally divided into three lines, four lines, five lines and other different types, and the main functions of the lockstitch sewing machine are generally to prevent the sewing head of clothing from fuzzing, and the lockstitch sewing machine generally needs to be matched with a paying-off device for synchronous use when in use, but the outer diameter specification of a traditional paying-off roller is fixed, so that bobbins of the same type can only be allowed to be inserted, and the problem of inconvenient use exists.

The Chinese patent with the bulletin number of CN 215439111U is granted, in particular to a paying-off device of a serging machine, which enables wire rolls with different specifications to be inserted and fixed by adjusting the position of a supporting rod;

The mode that above-mentioned device adjusted the bracing piece position is through the solid fixed ring of screw suit on the rotatory slide bar for thereby gu fixed ring spiral decline extrudes the conflict sliding ring, and through the decline cooperation of sliding ring two pendulum rods outwards expand and realize, but it is provided with two sliding rings that distribute from top to bottom, gu fixed ring spiral decline can only extrude the sliding ring that contradicts in the top, the sliding ring that lies in the below can not rise, make the bracing piece of final regulation have certain inclination with the slide bar, consequently can only carry out the adaptation to the conical wire roller of inner chamber and adjust, and actual wire roller inner chamber is mostly cylindrical design, consequently, the unable wire roller of carrying out the adaptation to cylindrical inner chamber of above-mentioned device adjusts.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model provides a paying-off device of a serging machine, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides a paying-off device of a serging machine, which comprises a bottom plate and a rack rotatably arranged above the bottom plate, wherein a central cylinder is fixedly arranged at the center of the top end of the rack, two telescopic adjusting assemblies comprise telescopic cylinders which extend out of the outer side wall of the rack in a telescopic sliding penetrating manner and are arranged in parallel up and down, one ends of the telescopic cylinders, far away from the central cylinder, are respectively and elastically inserted with a telescopic rod, and the telescopic adjusting assemblies further comprise extrusion plates which are arranged on the outer side of the central cylinder and are rotatably arranged corresponding to the two telescopic rods.

Further, four screws distributed in a rectangular array are arranged at four corners of the bottom plate in a threaded mode.

Further, a motor is arranged in the frame, a rotating shaft extending into the central cylinder is arranged at the output end of the motor, two gears are fixedly sleeved on the outer shaft wall of the rotating shaft, and two L-shaped racks are arranged on the outer annular wall of each gear in a meshed mode.

Further, the two L-shaped racks are distributed in a central symmetry mode relative to the corresponding gear, and one ends far away from the corresponding gear are fixedly connected with the ends of the corresponding telescopic cylinders respectively.

Further, jack has all been seted up to flexible section of thick bamboo one end that corresponds L type rack, telescopic link one end looks adaptation inserts in corresponding jack, and installs the spring with the jack between.

Further, rubber strips are fixedly arranged on one side of the extrusion plate far away from the central cylinder, and one side of the extrusion plate, which is close to the central cylinder, is fixedly provided with a fixed block which is rotationally connected with the telescopic rod.

Further, the outer cylinder wall of the telescopic cylinder penetrates through the inner cavity to form a vent hole, and the outer cylinder wall of the central cylinder penetrates through the inner cavity to form a square hole which is convenient for the telescopic cylinder to slide in a telescopic mode.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

1. The motor drives the rotating shaft to drive the gear to rotate, so that the L-shaped rack is meshed to drive the L-shaped rack to linearly move towards two sides, the whole telescopic adjusting assembly is pushed to outwards expand including the extrusion plate, and the installation and the disassembly of the cylindrical inner cavity wire rollers with different inner diameter specifications can be rapidly completed, so that the telescopic adjusting assembly has the characteristic of convenience in use;

2. Simultaneously flexible adjusting part includes the flexible section of thick bamboo of being connected with L type rack, still including sliding insertion in flexible section of thick bamboo and through the telescopic link of spring installation, still include the stripper plate of rotating the installation simultaneously with two telescopic links, consequently when needs are assembled conical inner chamber line roller, through the rotation of telescopic link and stripper plate and the relative slip of telescopic link and flexible section of thick bamboo for the stripper plate slope and fully laminate with conical inner chamber line roller's inner wall, can accomplish the installation and the dismantlement of the conical inner chamber line roller of different internal diameter specifications fast, further have convenient to use's characteristics.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a telescopic adjustment assembly according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic view of the telescopic cylinder and telescopic rod mounting structure of the present utility model.

The reference numerals in the figure respectively represent 1, a bottom plate, 11, screws, 2, a frame, 21, a motor, 22, a rotating shaft, 23, a gear, 24, an L-shaped rack, 3, a central cylinder, 31, a telescopic cylinder, 32, a telescopic rod, 33, a spring, 34, a squeeze plate, 35, a rubber strip, 36, a fixed block, 37, a vent hole, 38 and a square hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to examples.

Example 1

Referring to fig. 1-4, for the first embodiment of the present utility model, a pay-off device of a serging machine is disclosed, which comprises a bottom plate 1 and a frame 2 rotatably installed above the bottom plate 1, so that the pay-off process of the subsequent wire roller is facilitated, a central cylinder 3 is fixedly installed at the center of the top end of the frame 2, two telescopic adjusting components respectively comprise a telescopic cylinder 31 extending out of the outer side wall of the frame 2 in a telescopic sliding penetrating manner and arranged up and down in parallel, one end of the telescopic cylinder 31 far away from the central cylinder 3 is elastically inserted with a telescopic rod 32, the telescopic adjusting component also comprises a squeeze plate 34 arranged at the outer side of the central cylinder 3 and rotatably installed with the corresponding two telescopic rods 32, and the squeeze plate 34 can incline by an angle so as to facilitate the effective squeeze fixation of the wire roller with a conical inner cavity.

Example 2

Referring to fig. 1-4, a second embodiment of the present utility model is shown, which differs from the first embodiment in that: four equal screw 11 that are rectangular array distribution of four equal screw thread mounting in bottom plate 1, make things convenient for demountable installation, the bottom plate 1 center runs through and has seted up the line hole, make things convenient for motor 21's connecting wire to wear out, avoid motor 21 in rotatory in-process, the problem of twining and knotting appears in its connecting wire, install motor 21 in the frame 2, motor 21's output is installed and is stretched into the axis of rotation 22 in the central section of thick bamboo 3, two gears 23 of outer axle wall fixed sleeve of axis of rotation 22, gear 23's outer ring wall all meshes and installs two L type racks 24, two L type racks 24 are central symmetry distribution about corresponding gear 23, and keep away from corresponding gear 23 one end and correspond telescopic tube 31 tip fixed connection respectively, telescopic tube 31 has all been seted up the jack apart from corresponding L type rack 24 one end, telescopic rod 32 one end looks adaptation inserts in corresponding jack, and install spring 33 between the jack, the other end and telescopic rod 32 fixed connection, ensure telescopic rod 32 is located the jack all fixed, the fixed mounting has rubber strip 35 in one side of central section of thick bamboo 3 is kept away from to the outer cylinder 34, the equal fixed mounting rubber strip 35 in the outer cylinder of side of central section of thick bamboo 3, the outer cylinder 34 is kept close to the fixed connection of telescopic tube 31, telescopic tube 31 is kept sliding constant sliding, telescopic tube 31 fixed inner chamber 38 is kept constant sliding constant inner chamber 31 is guaranteed to slide inner cylinder 31, the telescopic tube is kept constant sliding constant, telescopic tube 31 is kept sliding constant inner chamber 36 is stretched out.

The rest of the structure is the same as that of embodiment 1.

The working flow of the utility model is as follows:

Firstly, sleeving a wire roller to be assembled around two rubber strips 35, wherein the rubber strips 35 are not contacted with the inner wall of the wire roller, starting a motor 21, driving a rotating shaft 22 to rotate, and driving a gear 23 to rotate, so that two L-shaped racks 24 and corresponding telescopic cylinders 31 are engaged and driven to move towards the opposite outer side walls of a central cylinder 3, and the extruding plate 34 and the rubber strips 35 are gradually far away from the central cylinder 3 and finally are extruded and abutted with the inner cavity wall of the wire roller to complete the assembly and fixation of the wire roller;

Secondly, if the inner cavity of the wire roller is conical, when the rubber strip 35 contacts with the inner wall of the wire roller, the extrusion plate 34 and the corresponding telescopic rod 32 are forced to rotate relatively, and the corresponding telescopic rod 32 stretches into the corresponding telescopic cylinder 31, so that the corresponding spring 33 is extruded more, and the elastic restoring force generated by deformation of the spring 33 is fed back to the telescopic rod 32 and the extrusion plate 34, so that the rubber strip 35 is attached to the inner wall of the wire roller with the conical inner cavity more tightly;

Finally, the wire roller arranged on the outer side of the central cylinder 3 starts paying off, the whole frame 2 and the motor 21 arranged in the frame 2 in the paying off process synchronously rotate, the central cylinder 3 and the telescopic adjusting assembly synchronously rotate, and a connecting wire of the motor 21 penetrates out of a wire hole on the bottom plate 1, so that the problem of winding and knotting cannot occur.

Although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modification or substitution does not depart from the spirit and scope of the embodiments.

Claims (7)

1. Pay-off of machine of lockstitching a border, including bottom plate (1) and rotate rack (2) of installing in bottom plate (1) top, top center fixed mounting center section of thick bamboo (3) of rack (2), its characterized in that still includes:

The two telescopic adjusting components comprise telescopic cylinders (31) which extend out of the outer side wall of the frame (2) in a telescopic sliding penetrating mode and are arranged up and down in parallel, one ends of the telescopic cylinders (31) away from the central cylinder (3) are elastically spliced with telescopic rods (32), and the telescopic adjusting components further comprise extrusion plates (34) which are arranged outside the central cylinder (3) and are rotatably installed with the corresponding two telescopic rods (32).

2. The paying-off device of the serging machine according to claim 1, characterized in that four screws (11) distributed in a rectangular array are arranged at four corners of the bottom plate (1) in a threaded mode, and a wire hole is formed in the center of the bottom plate (1) in a penetrating mode.

3. The paying-off device of the serging machine according to claim 1, characterized in that a motor (21) is installed in the frame (2), a rotating shaft (22) extending into the central cylinder (3) is installed at the output end of the motor (21), two gears (23) are fixedly sleeved on the outer shaft wall of the rotating shaft (22), and two L-shaped racks (24) are installed on the outer annular walls of the gears (23) in a meshed mode.

4. A pay-off device of a serging machine according to claim 3, characterized in that the two L-shaped racks (24) are distributed in a central symmetry about the corresponding gear (23), and one end far from the corresponding gear (23) is fixedly connected with the end of the corresponding telescopic cylinder (31) respectively.

5. A pay-off device of a serging machine according to claim 3, characterized in that the end of the telescopic cylinder (31) which is far away from the corresponding L-shaped rack (24) is provided with jacks, one end of the telescopic rod (32) is inserted into the corresponding jack in a matching way, and a spring (33) is arranged between the telescopic rod and the jack.

6. The paying-off device of the serging machine according to claim 1, characterized in that rubber strips (35) are fixedly arranged on one side, far away from the central cylinder (3), of the extruding plate (34), and fixing blocks (36) in rotary connection with the telescopic rods (32) are fixedly arranged on one side, close to the central cylinder (3), of the extruding plate (34).

7. The paying-off device of the overlock machine according to claim 1, wherein the outer cylinder wall of the telescopic cylinder (31) penetrates through the inner cavity to form a vent hole (37), and the outer cylinder wall of the central cylinder (3) penetrates through the inner cavity to form a square hole (38) which facilitates telescopic sliding of the telescopic cylinder (31).