Spring type puller automatic opening safety device

Abstract

The utility model belongs to the field of zipper machine equipment, and relates to a spring type puller automatic opening safety device which comprises a rack, a feeding seat is arranged on the rack in a sliding mode, a feeding seat air cylinder driving the feeding seat to move is further arranged on the rack, a puller plate is arranged on the feeding seat, a puller groove is formed in the puller plate, one end of the puller groove is open, and the other end of the puller groove is open. The safety opening device comprises a push-and-pull sheet cylinder fixed on the rack, the push-and-pull sheet cylinder is arranged on one side, opposite to an opening of the puller groove, of the puller plate, the output end of the push-and-pull sheet cylinder is connected with a push rod, the output direction of the push-and-pull sheet cylinder faces the lower portion of the puller groove, and when the output end of the push-and-pull sheet cylinder extends out, the push rod is connected with the push rod. The push rod extends towards the lower part of the puller groove and pushes a pull piece of the puller towards the opening direction of the puller groove; the device has the advantage that the safety of the spring type pull head can be automatically opened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to zip machine equipment field relates to a spring formula pull head automatic opening safety device. BACKGROUND

[0002] Spring formula pull head is a kind of safety (locking portion) setting in spring leaf hook, then spring leaf hook is wrapped around pull piece, and the locking portion of spring leaf hook is controlled to be stretched out or retracted by rotating pull piece, to control the opening and closing of pull head safety.China patent 202021638766.X discloses a kind of spring formula pull head.Due to the automatic pull head machine without opening safety device, so such pull head machine cannot be suitable for spring formula pull head. SUMMARY

[0003] The present application provides a kind of spring formula pull head automatic opening safety device according to above-mentioned problem, the device has the advantage that the safety of spring formula pull head can be automatically opened, so it can be suitable for existing pull head machine.

[0004] The utility model discloses a kind of spring formula pull head automatic opening safety device, which is characterized by:

[0005] A kind of spring formula pull head automatic opening safety device, including rack, feeding seat is slidably arranged on the rack, feeding seat cylinder that moves feeding seat is also provided on the rack, pull head plate is provided on the feeding seat, pull head slot is provided on the pull head plate, one end of pull head slot is opened, and further include safety opening device, the push-pull piece cylinder is fixed on the rack, the push-pull piece cylinder is set on the side of pull head plate away from the opening of pull head slot, the output end of push-pull piece cylinder is connected with push rod, the output direction of push-pull piece cylinder is set towards below pull head slot, when the output end of push-pull piece cylinder is stretched out, push rod is stretched out towards below pull head slot, and the pull piece of pull head is pushed towards the opening direction of pull head slot.

[0006] By the above setting, when pull head is transported to the pull head slot of pull head plate by pull head device, push-pull piece cylinder controls push rod to stretch out in the direction of pull head slot, and the pull piece of pull head is pushed in the opening direction, so as to open safety, after safety is opened, feeding seat is pushed by feeding seat cylinder, and pull head on pull head slot is sent to the pull head mold of pull head machine.

[0007] The utility model further is provided with: the lower portion of pull head plate is equipped with pull piece limit board, pull piece limit board and pull head slot are interval setting and form push rod slot for push rod to stretch into.

[0008] By the setting of pull piece limit board, the position of pull piece can be better controlled.

[0009] The utility model further is provided with: the push-pull piece cylinder is obliquely downwardly inclined, and the output direction of push-pull head cylinder is also obliquely downwardly inclined.

[0010] Through the above setting, the pushing direction of the push rod and the opening direction of the pull head form an included angle, the force of the push rod in the opening direction can reduce the risk of the pull head being pushed out of the pull head groove.

[0011] The utility model further sets up: the slide rail is provided on the frame, the slide block is slidably arranged on the slide rail, and the feeding seat is fixed on the slide block.

[0012] Through the setting of the slide rail and the slide block, the stability of the movement of the feeding seat is improved.

[0013] The utility model further sets up: the pull head plate is rotationally arranged on the feeding seat, the pull head plate is further connected with a counterweight, the feeding seat is formed with a positioning block corresponding to the counterweight, the counterweight drives the pull head plate to rotate, so that the pull head plate is inclined and the angle is limited by the positioning block, the frame is further provided with a flat plate, the flat plate is formed with a slope, the flat plate is arranged on the path of the counterweight, the feeding seat cylinder drives the feeding seat to move, and the counterweight moves through the slope of the flat plate, so that the counterweight drives the pull head plate to rotate to the horizontal position.

[0014] Through the above setting, at the position of the pull head device, the counterweight inclines the pull head plate, so as to correspond to the inclination angle of the pull head device, so that it is more convenient to put the pull head into the pull head groove. When the pull head enters the pull head groove, the feeding seat cylinder moves the feeding seat, so that the counterweight passes through the slope of the flat plate, the slope lifts the counterweight and rotates the pull head plate to the horizontal position, which is convenient for conveying the pull head to the pull head mold.

[0015] The utility model further sets up: the pull head plate is further rotationally arranged with a pressing part, the pressing end of the pressing part is correspondingly arranged in the pull head groove, the first spring is arranged on the pressing part, and the first spring always gives the pressing end of the pressing part to the pull head.

[0016] Through the setting of the pressing part, the pull head can be better stabilized in the pull head groove, and the risk of the pull head being thrown out of the pull head groove when the push rod pushes the pull piece is reduced.

[0017] The utility model further sets up: the pressing end is formed with a transition slope towards one end of the pull head groove.

[0018] Through the setting of the transition slope, when the pull head enters the pull head groove, the pressing part can be lifted more easily to enter the pull head groove.

[0019] The utility model further sets up: the pressing end is formed with a limiting surface towards one end of the hinged plate.

[0020] The utility model further sets up: the puller board includes fixed plate and hinged plate, hinged plate rotation connection is established in fixed plate, and the hinged plate is formed with puller groove between fixed plate and hinged plate, and second spring is further connected on the hinged plate, and second spring always gives the hinged plate formed one end of limit groove to resist on the force of limiting surface.

[0021] Through the above setting, the limiting surface can prevent the hinged plate from being too close to the fixed plate, thereby ensuring that the puller groove can be opened by a certain angle, facilitating the puller to open the hinged plate into the puller groove. And through the setting of the second spring, the hinged plate can stably pull the puller in the puller groove, and also can reduce the puller from being pushed out of the puller groove by the push rod.

[0022] The utility model further sets up: the puller board's lower extreme is provided with puller slit piece, and the puller slit piece is formed with slit groove in the middle of puller groove.

[0023] The present application has the following outstanding and beneficial technical effects compared with the prior art: when the puller is conveyed to the puller groove of the puller board through the puller feeding device, the push-pull piece cylinder controls the push rod to extend to the puller groove direction, and pushes the puller piece of the puller to the opening direction, so as to open the safety device. After the safety device is opened, the feeding seat cylinder pushes the feeding seat, and the puller on the puller groove is sent to the puller mold of the puller threading machine. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0025] Figure 1 It is the structural diagram of the safety device opening device and the puller feeding device.

[0026] Figure 2 It is the structural diagram of the safety device opening device.

[0027] Figure 3 It is the structural diagram of the safety device opening device without the push-pull piece cylinder.

[0028] Figure 4 It is the structural diagram of the push-pull piece cylinder, the puller board and the feeding seat.

[0029] Figure 5 It is the structural diagram of the puller board.

[0030] 1-frame; 2-feeding seat; 3-feeding seat cylinder; 4-draw head plate; 5-draw head slot; 6-pull piece cylinder; 7-push rod; 8-feeding device; 9-draw piece limiting plate; 10-push rod slot; 11-sliding rail; 12-sliding block; 13-counterweight; 14-positioning block; 15-flat plate; 16-slope surface; 17-pressing piece; 18-pressing end; 19-transition inclined surface; 20-limiting surface; 21-fixed plate; 22-hinged plate; 23-draw head slot piece; 24-slot. DETAILED DESCRIPTION

[0031] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present application.

[0032] A spring type draw head automatic opening safety device, comprising a frame 1, a feeding seat 2 is slidably arranged on the frame 1, a feeding seat cylinder 3 for driving the feeding seat 2 to move is further arranged on the frame, a draw head plate 4 is arranged on the feeding seat 2, a draw head slot 5 is arranged on the draw head plate 4, one end of the draw head slot 5 is open, and the safety opening device further comprises a pull piece cylinder 6 fixed on the frame, the pull piece cylinder 6 is arranged on the side of the draw head plate 4 away from the opening of the draw head slot, a push rod 7 is connected to the output end of the pull piece cylinder 6, and the output direction of the pull piece cylinder is arranged below the draw head slot 5, when the output end of the pull piece cylinder extends, the push rod 7 extends below the draw head slot and pushes the pull piece of the draw head towards the opening direction of the draw head slot.

[0033] Through the above arrangement, when the draw head is conveyed to the draw head slot 5 of the draw head plate 4 through the feeding device 8, the push rod 7 controlled by the pull piece cylinder 6 extends towards the draw head slot 5 and pushes the pull piece of the draw head towards the opening direction, so as to open the safety device, after the safety device is opened, the feeding seat 2 is driven by the feeding seat cylinder to convey the draw head on the draw head slot 5 to the draw head mold of the draw head machine.

[0034] A draw piece limiting plate 9 is arranged below the draw head plate 4, and the draw piece limiting plate 9 and the draw head slot 5 are arranged in a spaced manner to form a push rod slot 10 for the push rod to extend into. Through the arrangement of the draw piece limiting plate, the position of the pull piece can be better controlled.

[0035] The pull piece cylinder 6 is arranged in a downward inclined manner, and the output direction of the pull piece cylinder is also arranged in a downward inclined manner. Through the above arrangement, the pushing direction of the push rod and the opening direction of the draw head form an included angle, and the force of the push rod towards the opening direction can reduce the risk of the draw head being pushed out of the draw head slot.

[0036] The rack is provided with a sliding rail 11, and a sliding block 12 is slidably arranged on the sliding rail 11, and the feeding seat 2 is fixed on the sliding block 12. Through the arrangement of the sliding rail and the sliding block, the stability of the movement of the feeding seat is improved.

[0037] The puller plate 4 is rotationally arranged on the feeding seat 2, and the puller plate 4 is further connected with a counterweight 13, and the feeding seat 2 is formed with a positioning block 14 corresponding to the counterweight 13, and the counterweight 13 drives the puller plate 4 to rotate to make the puller plate 4 tilt and be limited by the positioning block 14; the rack is further provided with a flat plate 15, and the flat plate 15 is formed with a slope surface 16, and the flat plate 15 is arranged on the path of the counterweight 13, and the feeding seat cylinder 3 drives the feeding seat 2 to move, and the counterweight 13 moves through the slope surface 16 of the flat plate 15, so that the counterweight 13 drives the puller plate 4 to rotate to the horizontal position. Through the above arrangement, at the position of the puller feeding device, the counterweight tilts the puller plate, so as to correspond to the tilt angle of the puller feeding device, so that it is more convenient to feed the puller into the puller groove. When the puller enters the puller groove, the feeding seat cylinder moves the feeding seat, so that the counterweight passes through the slope surface of the flat plate, the slope surface lifts the counterweight and rotates the puller plate to the horizontal position, which is convenient for feeding the puller to the puller mold.

[0038] The puller plate is further rotationally provided with a pressing member 17, and a pressing end 18 of the pressing member is correspondingly arranged in the puller groove 5, and the pressing member 17 is provided with a first spring (not shown), and the first spring always gives the pressing end 18 of the pressing member 17 a downward pressing force on the puller. Through the arrangement of the pressing member, the puller can be better stabilized in the puller groove, and the risk of throwing the puller out of the puller groove when the push rod pushes the puller away is reduced.

[0039] The pressing end 18 is formed with a transition inclined surface 19 towards one end of the opening of the puller groove. Through the arrangement of the transition inclined surface, when the puller enters the puller groove, the pressing member can be more easily lifted to enter the puller groove.

[0040] The pressing end 18 is formed with a limiting surface 20 towards one end of the hinged plate.

[0041] The puller plate 4 comprises a fixed plate 21 and a hinged plate 22, the hinged plate 22 is rotationally connected to the fixed plate 21, and the fixed plate 21 and the hinged plate 22 are formed with the puller groove 5, and the hinged plate 22 is further connected with a second spring (not shown), and the second spring always gives one end of the hinged plate 22 formed with the limiting groove a force against the limiting surface 20. Through the above arrangement, the limiting surface can prevent the hinged plate from being too close to the fixed plate, so as to ensure that the puller groove can be opened to a certain angle, which is convenient for the puller to open the hinged plate and enter the puller groove. And through the arrangement of the second spring, the hinged plate can stabilize the puller in the puller groove, and the risk of throwing the puller out of the puller groove by the push rod is also reduced.

[0042] The lower end of the puller plate is provided with a puller slotting piece 23, and the middle of the puller slot is formed with a slot 24.

[0043] The present application has the characteristics that the safety of the spring type puller can be automatically opened, and thus can be applied to the existing puller threading machine.

[0044] The above embodiments are only the preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A spring-loaded slider automatic opening safety device, comprising a frame, a feed base slidably provided on the frame, a feed base cylinder for driving the feed base to move, a slider plate provided on the feed base, a slider groove provided on the slider plate, one end of the slider groove being open, characterized in that: It also includes a safety opening device, which includes a push-pull sheet cylinder fixed on the frame. The push-pull sheet cylinder is arranged on the side of the sliding head plate facing away from the sliding head slot opening. The output end of the push-pull sheet cylinder is connected to a push rod. The output direction of the push-pull sheet cylinder is set toward the bottom of the sliding head slot. When the output end of the push-pull sheet cylinder is extended, the push rod is extended toward the bottom of the sliding head slot and pushes the pull sheet of the sliding head toward the opening direction of the sliding head slot.

2. The spring-loaded slider automatic opening safety device according to claim 1, characterized in that: A pull-tab limiting plate is provided below the sliding head plate, and the pull-tab limiting plate and the sliding head groove are spaced apart to form a push rod groove for the push rod to extend into.

3. The spring-loaded slider automatic opening safety device according to claim 2, characterized in that: The push-pull plate cylinder is tilted downward, and the output direction of the push-pull head cylinder is also tilted downward.

4. The spring-loaded slider automatic opening safety device according to claim 1, characterized in that: The frame is provided with a slide rail, a slider is slidably provided on the slide rail, and the feeding seat is fixed on the slider.

5. The spring-loaded slider automatic opening safety device according to claim 1, characterized in that: The sliding head plate is rotatably arranged on the feeding seat, and the sliding head plate is also connected to a counterweight. A positioning block corresponding to the counterweight is formed on the feeding seat. The counterweight drives the sliding head plate to rotate so that the sliding head plate is tilted and the angle is limited by the positioning block. The frame is also provided with a belt flat plate, which is formed with a slope, and the belt flat plate is arranged on the travel path of the counterweight.

6. The spring-loaded slider automatic opening safety device according to claim 1, characterized in that: The slider plate is also rotatably provided with a pressing piece, the pressing end of which is correspondingly arranged in the slider groove, and the pressing piece is provided with a first spring, which always gives the pressing end of the pressing piece a force to press the slider downward.

7. The spring-loaded slider automatic opening safety device according to claim 6, characterized in that: A transition slope is formed on one end of the pressing end facing the slider groove opening.

8. The spring-loaded slider automatic opening safety device according to claim 6, characterized in that: The pressing end is formed with a limited surface at one end facing the hinge plate.

9. The spring-loaded slider automatic opening safety device according to claim 8, characterized in that: The slider plate includes a fixed plate and a hinged plate, the hinged plate is rotatably connected to the fixed plate, a slider groove is formed between the fixed plate and the hinged plate, and a second spring is also connected to the hinged plate, which always gives one end of the limiting groove formed on the hinged plate a force against the limiting surface.

10. The spring-loaded slider automatic opening safety device according to claim 9, characterized in that: The lower end of the slider plate is provided with a slider seam piece, and the slider seam piece is formed with a seam groove corresponding to the middle part of the slider groove.

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