Spring puller opening safety device

Abstract

The utility model belongs to the field of zipper machine equipment, and relates to a spring puller opening safety device which comprises a puller seat, a puller groove is formed in the puller seat, a puller positioning insertion piece is arranged in the puller groove, an adjusting seat is fixed on one side of the puller seat, an opening safety air cylinder is fixed on the adjusting seat, an output rod of the opening safety air cylinder is connected with an ejector rod, and the ejector rod is connected with a spring. The lower end of the ejector rod is a safety opening end and is obliquely arranged downwards, the lower end of the ejector rod is arranged below the puller groove, an ejector rod guide groove matched with the ejector rod is formed in the adjusting seat, and the ejector rod penetrates through the ejector rod guide groove and slides under the driving of the safety opening air cylinder; the device has the advantages of being capable of automatically opening the safety of the spring pull head through the ejector rod, having a guiding effect on the ejector rod and enabling the ejector rod to move more stably.

Description

TECHNICAL FIELD

[0001] The utility model belongs to zip machine equipment field relates to a spring puller open safety device. BACKGROUND

[0002] The spring puller 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 extended or retracted by rotating pull piece, to control the opening and closing of puller safety.China patent 202021638766.X discloses a kind of spring puller.Due to the automatic puller machine without opening safety device, so such puller machine cannot be suitable for spring puller. SUMMARY

[0003] The present application provides a kind of spring puller open safety device according to the above problems, the device can be opened by the safety of spring puller with the top rod, and the top rod has the advantage of guiding effect, makes the top rod more stable.

[0004] The utility model discloses a kind of spring puller open safety device, which is characterized by the following:

[0005] A kind of spring puller open safety device, including puller seat, puller slot is formed on puller seat, puller slot is equipped with puller positioning insert, the side of puller seat is fixed with adjusting seat, adjusting seat is fixed with open safety air cylinder, the output rod of open safety air cylinder is connected with top rod, the lower end of top rod is inclined downward and is set as open safety end, the lower end of top rod is set below puller slot, adjusting seat is formed with the top rod guide groove matched with top rod, top rod passes through top rod guide groove and slides under the driving of open safety air cylinder.

[0006] Through the above setting, open safety air cylinder can drive top rod to slide and open the safety of spring puller.But since top rod is thin, and the pushing speed of cylinder is fast, top rod is easy to sway, so that deviation occurs when opening safety, through the setting of top rod guide groove, the sliding of top rod is more stable, reduces the risk of large-scale sway of top rod, so that top rod is more stable when opening safety.

[0007] The utility model further is provided with: the upper end surface of adjusting seat is formed with inclined plane, inclined plane is parallelly arranged with top rod, open safety air cylinder is fixed on inclined plane, and the output rod of open safety air cylinder is parallelly arranged with top rod.

[0008] Through the above setting, the output rod of open safety air cylinder and top rod are parallel, and the extension and retraction of the output rod driven by open safety air cylinder can simultaneously drive top rod to slide obliquely up and down, so that the structure is more reasonable.

[0009] The utility model further sets up: the adjusting seat sets up behind the puller seat, the output link of the open safety air cylinder stretches out to the back upper side, the output link of the open safety air cylinder is fixed with the joint board, and the lower end of joint board is fixedly connected with the upper end of the jacking rod.

[0010] The utility model further sets up: the jacking rod slot is formed on the puller seat, and the lower end of the jacking rod passes through the jacking rod slot to the below of the puller groove under the driving of the open safety air cylinder.

[0011] Through the setting of the jacking rod slot, the jacking rod is guided further, and the jacking rod slot is set on the puller seat, so that the distance between the jacking rod and the puller is closer, and the jacking rod is more stable and less likely to deviate.

[0012] The utility model further sets up: the adjusting seat is further fixed with the adjusting plate, the adjusting plate includes fixed part and adjusting part, the fixed part is fixedly connected with the open safety air cylinder, the adjusting part is formed with adjusting groove, and the adjusting groove is fixedly connected with the adjusting seat through the bolt.

[0013] Through the above setting, the position of the open safety air cylinder can be adjusted through the adjusting plate, so that the distance of the jacking rod is adjusted, and the puller of different sizes can be adjusted adaptively.

[0014] The utility model further sets up: the lower end surface of the jacking rod is a plane.

[0015] Since the jacking rod is inclined, the lower end surface of the jacking rod is not a plane originally, but now it is changed into a plane, so that the contact area is larger when the jacking rod first contacts the puller ring, and the stability is improved.

[0016] The utility model further sets up: the puller seat is fixed with the pressure seat, the pressure seat is rotatably provided with the rotating shaft, one end of the rotating shaft towards the puller groove is fixedly connected with the swing pressure block, and the swing pressure block is arranged on the puller groove;One end of the rotating shaft away from the puller groove is fixedly connected with the spring plate, the spring plate is connected with the spring at the back of the rotating shaft, the spring always gives the rear end of the spring plate an upward lifting force, so that the rotating shaft gives the front end of the swing pressure block a downward pressing force to the puller.

[0017] Through the above setting, the distance between the front end of the spring plate and the upper surface of the puller seat can control the gap between the swing pressure block and the puller groove in the initial state, so that the puller of different sizes can be adapted.Then through the setting of the spring, when the puller enters the puller groove, the puller opens the swing pressure block, and the swing pressure block presses the puller under the action of the spring, so that the puller is more stable in the puller groove.

[0018] The utility model further sets up: the rear lower end surface of the swing pressure block is formed with the spring groove, and the spring is arranged in the spring groove.

[0019] The utility model further sets up: the lower end of swing pressure block is formed with arc surface.

[0020] The utility model further sets up: the pull head seat is fixed on the wire rail, the wire rail is arranged on the slide, the lower end of slide is fixed with the feeding pneumatic cylinder, the feeding pneumatic cylinder is fixedly connected with the pull head seat through the connecting block.

[0021] The present application has the following advantages over the prior art: the unlocking cylinder can drive the ejector rod to slide and unlock the spring puller. However, the ejector rod is thin and the cylinder moves fast, so the ejector rod is prone to sway, causing deviation when unlocking. The ejector rod guide groove is provided to make the ejector rod slide more stably and reduce the risk of large-scale sway, making the ejector rod more stable when unlocking. BRIEF DESCRIPTION OF DRAWINGS

[0022] To more clearly illustrate the technical solutions in the embodiments or the prior art, the following will briefly introduce the drawings needed in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0023] Figure 1 Structure diagram of the spring puller unlocking device.

[0024] Figure 2 Structure diagram of the adjusting seat, unlocking cylinder and ejector rod.

[0025] Figure 3 Structure diagram of the ejector rod and pull head seat.

[0026] Figure 4 Structure diagram of the pressure seat, swing pressure block, spring plate and pull head seat.

[0027] Figure 5 Structure diagram of the bottom of the pressure seat, swing pressure block and spring plate.

[0028] 1-pull head seat; 2-pull head slot; 3-pull head positioning insert; 4-adjusting seat; 5-unlocking cylinder; 6-output rod; 7-ejector rod; 8-ejector rod guide groove; 9-inclined surface; 10-joint plate; 11-ejector rod slot; 12-adjusting plate; 13-fixed part; 14-adjusting part; 15-adjusting slot; 16-pressure seat; 17-rotation shaft; 18-swing pressure block; 19-spring plate; 21-pull head; 22-spring slot; 23-arc surface; 24-wire rail; 25-slide; 26-feeding pneumatic cylinder; 27-connecting block. DETAILED DESCRIPTION

[0029] 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, not all. 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.

[0030] A spring puller opening safety device, comprising a puller seat 1, a puller groove 2 is formed on the puller seat 1, a puller positioning insert 3 is arranged in the puller groove 2, an adjusting seat 4 is fixed on one side of the puller seat 1, an opening safety cylinder 5 is fixed on the adjusting seat 4, an output rod 6 of the opening safety cylinder is connected with a jacking rod 7, the lower end of the jacking rod 7 is an opening safety end and is arranged downwardly inclined, the lower end of the jacking rod 7 is arranged below the puller groove 2, a jacking rod guide groove 8 matched with the jacking rod 7 is formed on the adjusting seat 2, the jacking rod 7 passes through the jacking rod guide groove 8 and slides under the driving of the opening safety cylinder 5.

[0031] Through the above arrangement, the opening safety cylinder 5 can drive the jacking rod 7 to slide and open the safety of the spring puller. However, since the jacking rod 7 is thin and the pushing speed of the cylinder is fast, the jacking rod is easy to shake, thereby deviating when opening the safety. Through the arrangement of the jacking rod guide groove 8, the sliding of the jacking rod is more stable, the risk of large-scale shaking of the jacking rod is reduced, and the jacking rod opening the safety is more stable.

[0032] An inclined surface 9 is formed on the upper end surface of the adjusting seat 4, the inclined surface 9 is arranged in parallel with the jacking rod 7, the opening safety cylinder 5 is fixed on the inclined surface, and the output rod 6 of the opening safety cylinder is arranged in parallel with the jacking rod 7. Through the above arrangement, the output rod 6 of the opening safety cylinder and the jacking rod 7 are parallel, the extension and retraction of the output rod 6 driven by the opening safety cylinder can synchronously drive the jacking rod 7 to slide upwardly and downwardly inclined, so that the structure is more reasonable.

[0033] The adjusting seat 4 is arranged at the rear of the puller seat 1, the output rod 6 of the opening safety cylinder extends rearward and upward, a joint plate 10 is fixed on the output rod 6 of the opening safety cylinder, and the lower end of the joint plate 10 is fixedly connected with the upper end of the jacking rod 7.

[0034] A jacking rod insertion groove 11 is formed on the puller seat 1, the lower end of the jacking rod 7 passes through the jacking rod insertion groove 11 to the lower end of the puller groove 2 under the driving of the opening safety cylinder. Through the arrangement of the jacking rod insertion groove 11, the jacking rod is further guided, and the jacking rod insertion groove 11 is arranged on the puller seat 1, which is closer to the puller, so that the jacking rod is more stable and is not easy to deviate greatly.

[0035] The adjusting plate 12 is fixed on the adjusting seat 4, and the adjusting plate 12 comprises a fixed part 13 and an adjusting part 14, the fixed part 13 is fixedly connected with the opening and protecting cylinder 5, and the adjusting part 14 is formed with an adjusting groove 15, and the adjusting groove 15 is fixedly connected with the adjusting seat 4 through a bolt (not shown). Through the above arrangement, the position of the opening and protecting cylinder can be adjusted through the adjusting plate 12, so that the extension distance of the ejector rod can be adjusted, and the puller of different sizes can be adaptively adjusted.

[0036] The lower end surface of the ejector rod 7 is a plane. Since the ejector rod is arranged obliquely, the lower end surface of the ejector rod is originally not a plane, and now it is changed into a plane, so that the contact area is larger when the ejector rod first contacts the puller ring, thereby increasing the stability.

[0037] The puller seat 1 is fixedly provided with a pressing seat 16, a rotating shaft 17 is rotatably arranged in the pressing seat 16, one end of the rotating shaft 17 towards the puller groove 2 is fixedly connected with a swing pressing block 18, and the swing pressing block 18 is arranged on the puller groove 2; the other end of the rotating shaft 17 away from the puller groove 2 is fixedly connected with a spring plate 19, and the spring plate 19 is connected with a spring (not shown) at the rear of the rotating shaft. The spring always gives the rear end of the spring plate 19 an upward lifting force, so that the front end of the swing pressing block 18 is given a downward pressing force on the puller 21 through the rotating shaft 17. Through the above arrangement, the distance between the front end of the spring plate 19 and the upper surface of the puller seat 1 can control the gap between the swing pressing block 18 and the puller groove 2 in the initial state, so as to adapt to pullers of different sizes. Then through the arrangement of the spring, when the puller enters the puller groove 2, the puller will open the swing pressing block 18, and the swing pressing block 18 will press the puller 21 under the action of the spring 20, so that the puller is more stable in the puller groove.

[0038] The rear lower end surface of the swing pressing block 18 relative to the rotating shaft 17 is formed with a spring groove 22, and the spring is arranged in the spring groove 22.

[0039] The front lower end of the swing pressing block 18 is formed with a circular arc surface 23.

[0040] The puller seat 1 is fixed on a line rail 24, the line rail 24 is slidably arranged on a slide 25, the lower end of the slide 25 is fixedly provided with a feeding cylinder 26, and the feeding cylinder 26 is fixedly connected with the puller seat 1 through a connecting block 27.

[0041] The present application has the characteristics that the safety of the spring puller can be automatically opened by the ejector rod, and the ejector rod has a guiding effect, so that the movement of the ejector rod is more stable.

[0042] 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 puller opening safety device, comprising a puller seat, a puller slot is formed on the puller seat, a puller positioning insert is arranged in the puller slot, characterized in that, One side of the pull head seat is fixed with an adjusting seat, the adjusting seat is fixed with an opening safety cylinder, an output rod of the opening safety cylinder is connected with a jacking rod, a lower end of the jacking rod is an opening safety end and is arranged downwardly and obliquely, the lower end of the jacking rod is arranged below the pull head groove, a jacking rod guide groove matched with the jacking rod is formed on the adjusting seat, the jacking rod passes through the jacking rod guide groove and slides under the driving of the opening safety cylinder.

2. A spring puller opening safety device according to claim 1, wherein: An inclined surface is formed on an upper end surface of the adjusting seat, the inclined surface is arranged in parallel with the jacking rod, the opening safety cylinder is fixed on the inclined surface, and the output rod of the opening safety cylinder is arranged in parallel with the jacking rod.

3. A spring-loaded draw head opening safety device according to claim 2, wherein: The adjusting seat is arranged at the rear of the pull head seat, the output rod of the opening safety cylinder extends rearward and upward, the output rod of the opening safety cylinder is fixed with a joint plate, and a lower end of the joint plate is fixedly connected with an upper end of the jacking rod.

4. A spring puller opening safety device according to claim 3, wherein: A jacking rod insertion slot is formed on the pull head seat, the lower end of the jacking rod passes through the jacking rod insertion slot to the pull head groove under the driving of the opening safety cylinder.

5. A spring puller opening safety device according to claim 2, wherein: The adjusting seat is further fixed with an adjusting plate, the adjusting plate comprises a fixed part and an adjusting part, the fixed part is fixedly connected with the opening safety cylinder, and an adjusting groove is formed on the adjusting part and fixedly connected with the adjusting seat through bolts.

6. A spring puller opening safety device according to claim 1, wherein: The lower end surface of the jacking rod is a plane.

7. A spring-loaded draw head opening safety device according to claim 1, wherein: The pull head seat is fixed with a pressing seat, a rotating shaft is rotatably arranged in the pressing seat, one end of the rotating shaft fixedly connected with a swing pressing block towards the pull head groove, and the swing pressing block is arranged on the pull head groove; the other end of the rotating shaft fixedly connected with a spring plate away from the pull head groove, the spring plate connected with a spring away from the rear of the rotating shaft, and the spring always gives the rear end of the spring plate an upward lifting force, so as to give the front end of the swing pressing block a downward pressing force on the pull head through the rotating shaft.

8. A spring puller opening safety device according to claim 7, wherein: A spring groove is formed on the rear lower end surface of the swing pressing block away from the rotating shaft, and the spring is arranged in the spring groove.

9. A spring-loaded handle opening safety device according to claim 7, wherein: A circular arc surface is formed on the front lower end of the swing pressing block.

10. A spring-loaded pin tumbler opening safety device according to claim 1, wherein: The pull head seat is fixed on a wire track, the wire track is slidably arranged on a slide, a feeding cylinder is fixed on a lower end of the slide, and the feeding cylinder is fixedly connected with the pull head seat through a connecting block.

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