CN215668474U - Zipper sewing fixing device and zipper sewing equipment - Google Patents

Abstract

The utility model provides a zipper sewing fixing device and zipper sewing equipment, which are characterized by comprising a base, a driving mechanism and a zipper clamping mechanism, wherein the base is provided with a clamping groove; the base is used for bearing a zipper to be fixed, the zipper clamping mechanism comprises two zipper tooth clamping pieces, and the two zipper tooth clamping pieces are used for clamping zipper teeth of the zipper from two sides; the fastener element clamping pieces are located above the base, and the driving mechanism is used for adjusting the distance between the two fastener element clamping pieces and enabling the two fastener element clamping pieces to be pressed downwards towards the base. Adopt above-mentioned zip fastener sewing fixing device to fix the zip fastener, need not the manual fixed zip fastener of operating personnel, can avoid the problem of the zip fastener off-position that leads to because operating personnel's error, can save the time of incessantly adjusting the zip fastener position simultaneously, can effectively improve sewing efficiency.

Description

Zipper sewing fixing device and zipper sewing equipment

Technical Field

The utility model relates to the technical field of zipper manufacturing, in particular to a zipper sewing fixing device and zipper sewing equipment.

Background

There is a process of sewing a zipper on a fabric in the preparation process of the fabric. In a conventional process of sewing a zipper, the following steps are generally performed: an operator aligns the zipper and the cut pieces and then puts the aligned zipper and the cut pieces into a sewing station on a sewing machine for sewing, wherein in order to avoid the situation that the zipper and the cut pieces are misplaced to cause poor sewing of the zipper, the operator needs to continuously fix the relative positions of the zipper and the cut pieces or discontinuously correct the positions of the zipper and the cut pieces. Such an operation depends on the skill and the work state of the operator, and not only the sewing efficiency is difficult to be further improved, but also a zipper sewing failure is difficult to be avoided.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a zipper sewing fixing device capable of improving zipper sewing efficiency and ensuring zipper sewing yield, and further, a zipper sewing apparatus.

A zipper sewing fixing device comprises a base, a driving mechanism and a zipper clamping mechanism; the base is used for bearing a zipper to be fixed, the zipper clamping mechanism comprises two zipper tooth clamping pieces, and the two zipper tooth clamping pieces are used for clamping zipper teeth of the zipper from two sides; the zipper tooth clamping pieces are located above the base, and the driving mechanism is used for adjusting the distance between the two zipper tooth clamping pieces and driving the two zipper tooth clamping pieces to press down towards the base.

In one embodiment, the zipper positioning mechanism is provided with a zipper channel on the base, the zipper channel is used for limiting the position of the zipper, and the two zipper tooth clamping pieces are positioned above the zipper channel.

In one embodiment, the zipper positioning mechanism comprises two strip positioning pieces arranged on the base, the two strip positioning pieces are arranged at intervals, and the zipper channel is formed between the two strip positioning pieces.

In one embodiment, the distance between the two strap locations is adjustable.

In one embodiment, the driving mechanism includes two sets of driving assemblies, each driving assembly includes a first driving member, a driving direction of the first driving member is along a straight line, the two first driving members are respectively connected to the two fastener element clamping members, and each first driving member is used for driving the corresponding fastener element clamping member to obliquely clamp the fastener element.

In one embodiment, each of the driving assemblies further includes a second driving member and a rotating shaft, the first driving member is rotatably disposed on the base through the rotating shaft, the second driving member is used for driving the first driving member to rotate, and the first driving member can drive the fastener element clamping member to rotate from above the base to the base when rotating.

In one embodiment, in the driving assembly, the first driving member and the second driving member are both air cylinders, a piston rod of the first driving member is connected to the corresponding fastener element clamping member, a cylinder body of the first driving member is rotatably disposed on the base through the rotating shaft, and the cylinder body of the first driving member is further connected to a piston rod of the second driving member.

In one embodiment, the fastener element clamping member includes a plate-shaped connecting portion and a block-shaped connecting portion, wherein the clamping portion is provided at an end of the connecting portion close to the other fastener element clamping member.

In one embodiment, the fastener element holding member has a fastener element holding surface which is disposed obliquely with respect to a surface of the base on which the slide fastener is placed.

Further, a zipper sewing device comprises a sewing machine and the zipper sewing fixing device according to any one of the embodiments, wherein the zipper sewing fixing device is arranged on a workbench of the sewing machine, and the sewing machine is used for sewing a zipper fixed by the zipper sewing fixing device to a fabric.

The above-described slide fastener sewing fixing device can be used as follows.

For example, in the actual use process, the zipper can be placed at a preset position on the base, the distance between the two zipper tooth clamping pieces is adjusted and controlled by the driving mechanism to be larger than the width of the zipper teeth on the zipper, the zipper tooth clamping pieces are pressed downwards to the upper parts of the two sides of the zipper teeth towards the base, the two zipper tooth clamping pieces are controlled to approach each other until the two zipper tooth clamping pieces clamp the zipper teeth of the zipper from the two sides, and the fixation of the zipper can be completed.

The zipper sewing fixing device has the following beneficial effects.

Adopt above-mentioned zip fastener sewing fixing device to fix the zip fastener, need not the manual fixed zip fastener of operating personnel, can avoid the problem of zip fastener off-position because operating personnel's error leads to. Meanwhile, the zipper sewing fixing device fixes the zipper in a mode of fixing the zipper teeth by adopting the zipper tooth clamping pieces, the zipper can be always fixed between the two zipper tooth clamping pieces in the sewing process, the time for adjusting the position of the zipper is saved, and the sewing efficiency can be effectively improved.

Drawings

FIG. 1 is a schematic view showing the construction of a zipper sewing fixture;

wherein each reference numeral and its corresponding meaning are as follows:

110. a left side fastener element retainer; 111. a left clamping part; 112. a left side connecting part; 120. a right side fastener element retainer; 121. a right clamping part; 122. a right side connecting portion; 130. a left side drive assembly; 131. a left first driving member; 132. a left second driving member; 133. a left rotating shaft; 140. a right side drive assembly; 141. a right first drive member; 142. a right second drive member; 143. a right rotating shaft; 150. a base; 160. a zipper positioning mechanism; 161. a left strap retainer; 162. right strap retainer.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying embodiments and effect drawings. The examples set forth preferred embodiments of the utility model. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In addition, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through two or more elements. It should be understood that it is a matter of course that those skilled in the art can correspondingly understand the specific meanings of the above terms according to specific situations without causing ambiguity.

Unless otherwise defined, in the description of the present invention, terms indicating orientation or positional relationship such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings of the present invention, which are only for convenience and simplicity of description of the present invention and help the reader to understand in conjunction with the drawings, and do not define or imply that the device or element referred to must have a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

According to one embodiment of the utility model, a zipper sewing fixing device comprises a base, a driving mechanism and a zipper clamping mechanism; the zipper clamping mechanism is used for clamping zipper teeth of a zipper, and comprises two zipper tooth clamping pieces which are oppositely arranged, and the zipper tooth clamping pieces are positioned above the base; the drive mechanism is used for adjusting the distance between the two fastener element clamping pieces and pressing the two fastener element clamping pieces downwards towards the base.

The base is used for bearing a zipper to be fixed, the zipper generally comprises two cloth strips which are arranged at intervals and two rows of zipper teeth which are arranged between the two cloth strips and fixedly connected to the two cloth strips respectively, a plurality of continuously arranged zipper teeth are generally arranged between each row of zipper teeth, in the actual preparation process, the two rows of zipper teeth are generally embedded with each other to form a closed zipper tooth whole, and if no special description is provided, the zipper teeth in the following description refer to the zipper tooth whole formed after the two rows of zipper teeth are embedded with each other.

It will be appreciated that other components of the zipper seam fastener arrangement, such as the drive mechanism and the zipper clamping mechanism, may also be provided on the base.

The zipper clamping mechanism comprises two zipper tooth clamping pieces which are oppositely arranged, and the two zipper tooth clamping pieces are arranged at intervals in the working state. Since the tape in the slide fastener is thin and the fastener elements protrude significantly from the tape, the two fastener element holding members can be made to hold the fastener elements of the slide fastener from both sides, respectively, by adjusting the distance between the two fastener element holding members.

For example, in the actual use process, the zipper can be placed at a preset position on the base, the distance between the two zipper tooth clamping pieces is adjusted and controlled by the driving mechanism to be larger than the width of the zipper teeth on the zipper, the zipper tooth clamping pieces are pressed downwards to the upper parts of the two sides of the zipper teeth towards the base, the two zipper tooth clamping pieces are controlled to approach each other until the two zipper tooth clamping pieces clamp the zipper teeth of the zipper from the two sides, and the fixation of the zipper can be completed.

In one specific example, the zipper stitching fixture further comprises a zipper positioning mechanism having a zipper channel on the base for receiving and defining the position of the zipper, the two element clips being located above the zipper channel.

It will be appreciated that the zipper channel is the same size as the width of the zipper to be secured so that the zipper can be received in the zipper channel while also being confined within the zipper channel. When the zipper is used, the zipper can be directly placed in the zipper channel, so that the placement position of the zipper is always fixed, the position of the zipper teeth positioned in the middle is also fixed, and the step of controlling the two zipper teeth clamping pieces to move to be aligned with the zipper teeth can be omitted.

In one specific example, the zipper positioning mechanism comprises two strap positioning members arranged on the base, the two strap positioning members are arranged at intervals, and a zipper channel is formed between the two strap positioning members.

Further, the distance between the two strap locations is adjustable. The distance between the two strip positioning pieces is adjustable, so that the zipper sewing fixing device can be suitable for zippers with different sizes. In the actual use process, when the zipper stitching fixing device is required to fix a zipper of another size, the positioning of the zipper of another size can be realized only by adjusting the distance between the two strip positioning pieces.

The fastener element clamping piece can apply pressure to the fastener element from two sides of the fastener element to the middle to clamp the fastener element, and can also apply pressure to the fastener element from the upper parts of the two sides of the fastener element to the lower part of the middle to press the fastener element onto the base while clamping the fastener element. In one specific example, the drive mechanism is used to drive the two fastener element clamping members obliquely downward to press the base.

Specifically, actuating mechanism includes two sets of drive assembly, and each drive assembly all includes first driving piece, and the drive direction of first driving piece is along the straight line, and two first driving pieces are connected respectively in two chain tooth holders, and each first driving piece is used for driving the chain tooth holder that corresponds and pushes down towards the chain tooth slant. Through the fastener tooth holder that first driving piece drive corresponds pushing down towards the fastener tooth slant, can avoid the zip fastener to produce the skew on the base when pressing from both sides tight fastener tooth.

The driving direction of the first driving piece is along a straight line, namely the first driving piece drives the fastener element clamping piece to move along the straight line. The zipper tooth clamping piece moving along the linear direction can move forward towards the zipper teeth or move backward away from the zipper teeth, the zipper can be conveniently placed during backward movement, and the zipper teeth can be clamped above the side of the zipper teeth during forward movement to fix the position of the zipper. But may not apply sufficient gripping and pressure to the zipper teeth, increasing the risk of the zipper shifting when secured. Therefore, further, the pressing force of the element clamp to the element can be enhanced by other arrangements to fix the position of the slide fastener.

In one specific example, each driving assembly further comprises a second driving part and a rotating shaft, the first driving part is integrally and rotatably arranged on the base through the rotating shaft, the second driving part is used for driving the first driving part to rotate, and the first driving part can drive the zipper tooth clamping piece to rotate towards the base from the upper side of the base when rotating. It will be appreciated that the first drive member will rotate about the pivot axis under the action of the second drive member, which will also drive the fastener element retaining member to rotate. The chain tooth holder rotates towards base top direction base, and when the chain tooth holder was centre gripping chain tooth simultaneously, the chain tooth can hinder the further rotation of chain tooth holder, and the chain tooth holder can exert down force to the chain tooth this moment to strengthen the pressure between zip fastener and the base, and then increase the frictional force between zip fastener and the base.

In one specific example, the first driving member and the second driving member are both cylinders, a piston rod of the first driving member is connected to the corresponding fastener element clamping member, a cylinder body of the first driving member is rotatably disposed on the base through a rotating shaft, and the cylinder body of the first driving member is further connected to a piston rod of the second driving member.

The cylinder is generally provided with a cylinder body and a piston rod, the piston rod can perform reciprocating piston motion in the cylinder body, and the piston rod can drive other components to move along a straight line, so that the driving direction of the cylinder is along the straight line. When specifically using, the piston rod of second driving piece is connected in the cylinder body of first driving piece, because the cylinder body of first driving piece is connected in the pivot, consequently when the piston rod motion of second driving piece, the cylinder body of first driving piece receives the spacing of pivot and can rotate, and the cylinder body drives the whole rotation of first driving piece, and then drives the chain tooth holder and rotates towards the base.

In one specific example, the element clamp includes a clamping portion and a connecting portion, the connecting portion being plate-shaped and the clamping portion being block-shaped, wherein the clamping portion is disposed at an end of the connecting portion adjacent to another element clamp. Optionally, the clamping portion is detachably connected to the connecting portion.

For example, the piston rod of the first driver may be connected to the connecting portion of the corresponding element clamp. The two first driving pieces can respectively drive the zipper tooth clamping pieces to realize approaching, separating and pressing down through the two piston rods.

In one specific example, the element clamp in the slide fastener sewing machine has an element clamp surface, and the element clamp surfaces of the two element clamps are arranged oppositely. Wherein, the relative arrangement can be just opposite, and the two zipper tooth clamping surfaces are parallel; or the two zipper teeth can be obliquely opposite, and the two zipper teeth clamping surfaces form a certain included angle.

Adopt above-mentioned zip fastener sewing fixing device to fix the zip fastener, need not the manual fixed zip fastener of operating personnel, can avoid the problem of zip fastener off-position because operating personnel's error leads to. Meanwhile, the zipper sewing fixing device fixes the zipper in a mode of fixing the zipper teeth by adopting the zipper tooth clamping pieces, the zipper can be always fixed between the two zipper tooth clamping pieces in the sewing process, the time for continuously adjusting the position of the zipper is saved, and the sewing efficiency can be effectively improved.

Further, still another embodiment of the present invention provides a zipper sewing apparatus including a sewing machine for sewing a zipper fixed by the zipper sewing fixture to a fabric, and the zipper sewing fixture of any of the above embodiments, the zipper sewing fixture being provided on a table of the sewing machine.

In order to facilitate understanding of the zipper stitching fixing device, the utility model also provides a specific implementation manner of the zipper stitching fixing device, and please refer to fig. 1, which is a schematic structural diagram of the zipper stitching fixing device. The zipper sewing fixing device comprises a base 150, a driving mechanism and a zipper clamping mechanism.

The zipper clamping mechanism comprises a left side zipper tooth clamping piece 110 and a right side zipper tooth clamping piece 120, the left side zipper tooth clamping piece 110 comprises a left side clamping part 111 and a left side connecting part 112, and the right side zipper tooth clamping piece 120 comprises a right side clamping part 121 and a right side connecting part 122. The left connecting portion 112 and the right connecting portion 122 are both plate-shaped, the left clamping portion 111 and the right clamping portion 121 are block-shaped, the left clamping portion 111 is disposed at one end of the left connecting portion 112 close to the right element clamp 120, and the right clamping portion 121 is disposed at one end of the right connecting portion 122 close to the left element clamp 110. As the left connecting portion 112 and the right connecting portion 122 come closer, the left clamping portion 111 and the right clamping portion 121 also come closer to each other.

Wherein the drive mechanism includes a left drive assembly 130 and a right drive assembly 140. The left drive assembly 130 is used to drive the left side element retainer 110 and the right drive assembly 140 is used to drive the right side element retainer 120. The left driving assembly 130 includes a left first driving member 131, the left first driving member 131 is a cylinder, and a piston rod of the left first driving member 131 is connected to the left connecting portion 112. The right driving assembly 140 includes a right first driving member 141, the right first driving member 141 is a cylinder, and a piston rod of the right first driving member 141 is connected to the right connecting portion 122.

The left first driver 131 and the right first driver 141 mainly control the forward and backward movement of the left element gripper 110 and the right element gripper 120. Here, the forward movement means that the left element gripper 110 and the right element gripper 120 approach each other, and the backward movement means that the left element gripper 110 and the right element gripper 120 move away from each other. The zipper is convenient to place when the zipper and the zipper retreat, and the zipper teeth can be clamped when the zipper and the zipper advance.

Further, the left driving assembly 130 further includes a left rotating shaft 133 and a left second driving member 132, the left rotating shaft 133 is fixedly disposed on the base 150, the left first driving member 131 is rotatably connected to the base 150 through the rotating shaft, the left second driving member 132 is an air cylinder, and a piston rod of the left second driving member 132 is connected to a cylinder body of the left first driving member 131. The right driving assembly 140 further includes a right rotating shaft 143 and a right second driving member 142, the right rotating shaft 143 is fixedly disposed on the base 150, the right first driving member 141 is rotatably connected to the base 150 through the rotating shaft, the right second driving member 142 is an air cylinder, and a piston rod of the right second driving member 142 is connected to a cylinder body of the right first driving member 141.

During the process of adjusting the height of the piston rod of the left second driving member 132, the left first driving member 131 can rotate around the left rotation shaft 133; during the process of adjusting the height of the piston rod of the right second driving member 142, the right first driving member 141 can rotate around the right rotating shaft 143. The left rotating shaft 133 and the right rotating shaft 143 are disposed on the base 150 and both extend in the same direction as the zipper teeth. Therefore, the inclination angle of the left first driving member 131 with respect to the surface of the base 150, and thus the inclination angle of the left clamping portion 111 with respect to the fastener elements, can be adjusted by adjusting the height of the piston rod of the left second driving member 132.

The inclination angle of the right first driver 141 with respect to the surface of the base 150, and thus the inclination angle of the right clamping part 121 with respect to the fastener elements, can be adjusted by adjusting the height of the piston rod of the right second driver 142.

It can be understood that, in the working state, the driving directions of the left first driving member 131 and the right first driving member 141 are inclined to the plane of the base 150 towards the front lower direction. Also, by adjusting the left and right second drivers 132 and 142, the pressure at which the left and right element clips 110 and 120 fix the fastener elements can be controlled.

Wherein, the zipper sewing fixing device also comprises a zipper positioning mechanism 160. The zipper positioning mechanism 160 includes a left strap positioning member 161 and a right strap positioning member 162, and each of the left strap positioning member 161 and the right strap positioning member 162 has a plate shape. Set up at interval between left side strip setting element 161 and the right side strip setting element 162, form the zip fastener passageway between left side strip setting element 161 and the right side strip setting element 162, the zip fastener can be directly placed and fix a position in this zip fastener passageway to save the process that operating personnel adjusted the concrete locating position of zip fastener, design this zip fastener passageway simultaneously, still be favorable to realizing the automation of zip fastener and place. Specifically, the zipper typically includes a left side strap and a right side strap, and when placed, the outer edge of the left side strap may abut the left side strap retainer 161 and the outer edge of the right side strap may abut the right side strap retainer 162 to enable quick positioning placement of the zipper.

Further, the distance between the left strap retainer 161 and the right strap retainer 162 is adjustable to accommodate the placement of a variety of sizes of zippers.

It will be appreciated that the zipper stitching fixture described above may be applied to the stitching of a zipper. In particular, the zipper sewing fixing device and the sewing machine can form zipper sewing equipment together. The zipper sewing fixing device is arranged on a workbench of the sewing machine, and the sewing machine is used for sewing the zipper fixed by the zipper sewing fixing device to the fabric.

It should be understood that the above-mentioned embodiments are only one of the best possible modes of the present invention, and the sizes, positions, shapes, etc. of the various components are correspondingly set to realize the technical idea of the present invention, so that the present invention is not limited to be realized only by the above-mentioned embodiments.

Any combination of the technical features of the above embodiments may be made, and for the sake of brevity, all possible combinations of the technical features of the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present description should be considered as being described in the present specification.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A zipper sewing fixing device is characterized by comprising a base, a driving mechanism and a zipper clamping mechanism; the base is used for bearing a zipper to be fixed, the zipper clamping mechanism comprises two zipper tooth clamping pieces, and the two zipper tooth clamping pieces are used for clamping zipper teeth of the zipper from two sides; the zipper tooth clamping pieces are located above the base, and the driving mechanism is used for adjusting the distance between the two zipper tooth clamping pieces and driving the two zipper tooth clamping pieces to press down towards the base.

2. The zipper sewing attachment apparatus of claim 1, further comprising a zipper positioning mechanism having a zipper channel on a base for defining a position of the zipper, the two tooth clamps being located above the zipper channel.

3. The zipper sewing fixing device of claim 2, wherein the zipper positioning mechanism comprises two strap positioning members disposed on the base, the two strap positioning members are disposed at intervals, and the zipper channel is formed between the two strap positioning members.

4. The zipper stitching fixture of claim 3 wherein the distance between the two strap retainers is adjustable.

5. The zipper sewing fixing device according to any one of claims 1 to 4, wherein the driving mechanism comprises two sets of driving components, each driving component comprises a first driving member, the driving direction of the first driving member is along a straight line, the two first driving members are respectively connected to the two fastener element clamping members, and each first driving member is used for driving the corresponding fastener element clamping member to obliquely clamp the fastener element.

6. The zipper sewing fixing device of claim 5, wherein each driving assembly further comprises a second driving member and a rotating shaft, the first driving member is rotatably disposed on the base through the rotating shaft, the second driving member is used for driving the first driving member to rotate, and the first driving member can drive the zipper tooth clamping member to rotate from the upper side of the base to the base when rotating.

7. The zipper sewing fixing device of claim 6, wherein in the driving assembly, the first driving member and the second driving member are both air cylinders, a piston rod of the first driving member is connected to the corresponding zipper tooth clamping member, a cylinder body of the first driving member is rotatably disposed on the base through the rotating shaft, and the cylinder body of the first driving member is further connected to a piston rod of the second driving member.

8. A slide fastener sewing fixing device according to any one of claims 1 to 4 and 6 to 7, wherein the element clamp includes a clamping portion and a connecting portion, the connecting portion is plate-shaped, and the clamping portion is block-shaped, wherein the clamping portion is provided at an end of the connecting portion adjacent to the other element clamp.

9. A slide fastener sewing fixing device according to any one of claims 1 to 4 and 6 to 7, wherein the element holding member has an element holding surface which is disposed obliquely with respect to a surface of the base on which the slide fastener is placed.

10. A zipper sewing apparatus comprising a sewing machine and a zipper sewing fixture according to any one of claims 1 to 9, the zipper sewing fixture being provided on a table of the sewing machine, the sewing machine being configured to sew a zipper fixed by the zipper sewing fixture onto a fabric.

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