CN211440865U

CN211440865U - Full-automatic pulling-on piece placing, injection molding and encapsulation machine

Info

Publication number: CN211440865U
Application number: CN201921932295.0U
Authority: CN
Inventors: 张奇恩; 呼文华; 向光勤; 韦喜盈
Original assignee: Dongguan Bangchengda Automation Technology Co ltd
Current assignee: Dongguan Bangchengda Automation Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-08
Anticipated expiration: 2029-11-08

Abstract

The embodiment of the utility model discloses a full-automatic placing, injection molding and rubber coating machine for zipper pulls, which relates to the field of zipper puller manufacturing equipment and comprises a zipper puller placing device and an injection molding and pressing mechanism, wherein the injection molding and pressing mechanism is used for injection molding of placed zipper pulls; the two zipper head arrangement mechanisms are symmetrically arranged on the upper part of the fixed base plate, are connected and matched with the two zipper head conveying mechanisms in a one-to-one correspondence mode, and are connected with the fixed base plate through the zipper head pressing mechanisms. The placing process of the whole zipper head is automatically completed by a machine without manual participation, so that the production efficiency and the qualification rate of finished products are effectively improved, and the production cost is greatly reduced.

Description

Full-automatic pulling-on piece placing, injection molding and encapsulation machine

Technical Field

The embodiment of the utility model provides a draw zipper head manufacture equipment field, concretely relates to pulling-on piece is full-automatic puts rubber coating machine of moulding plastics.

Background

At present when processing dress products draw zipper head, need generally to draw zipper head tail end to mould plastics, and the process of moulding plastics in the past is that the workman is manual will draw zipper head to put to the locating plate on, place again under the injection molding machine, the operation of moulding plastics, after the completion of moulding plastics, take out by the manual good zipper head that will mould plastics of workman again, this kind of traditional zipper head puts the mode inefficiency, leads to drawing zipper head's manufacturing cost to improve greatly.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a pulling-on piece is full-automatic puts rubber coating machine of moulding plastics to there is the problem that inefficiency and manufacturing cost are high in the mode of putting and moulding plastics to solve current zip fastener head.

In order to realize the above-mentioned purpose, the embodiment of the utility model provides a full-automatic rubber coating machine of moulding plastics of putting of pulling-on piece, the full-automatic rubber coating machine of moulding plastics of putting of pulling-on piece is including drawing the zipper head and putting device and the moulding press mechanism of moulding plastics, it includes to draw the zipper head to put the device:

a fixing substrate extending in a longitudinal direction;

the two zipper head conveying mechanisms are symmetrically arranged above the fixed substrate and are used for outputting the received zipper heads to a downstream mechanism according to a preset speed and a preset quantity;

the two zipper head arrangement mechanisms are symmetrically arranged at the upper part of the fixed base plate, are connected with and matched with the two zipper head conveying mechanisms in a one-to-one correspondence manner, and are used for receiving the zipper heads conveyed by the zipper head conveying mechanisms and arranging the zipper heads at equal intervals along the longitudinal direction;

the zipper head pressing mechanism is connected with the fixed base plate and is used for pressing the arranged zipper heads into the lower mold cores of the lower drawing mold plate;

the template conveying mechanism is arranged on the fixed base plate and positioned between the two zipper head arrangement mechanisms, and is used for conveying the lower drawing die plate with the zipper heads arranged to the injection molding and compression molding mechanism;

the injection molding press mechanism is arranged on the fixed base plate and used for injection molding of the placed zipper head.

Further, the injection molding and compression molding mechanism comprises:

the guide rail device comprises a base plate, supporting blocks are arranged at two ends of the upper surface of the base plate respectively, a plurality of first guide columns connected with the base plate are arranged between the two supporting blocks, mounting grooves are arranged at two ends of the base plate respectively, and a wane is hinged in each mounting groove;

the movable top plate is positioned above the bottom plate, a plurality of first guide holes for the first guide posts to pass through are formed in the movable top plate, a plurality of second guide posts are arranged on the edge of the movable top plate, a reset spring is sleeved on each second guide post, and two lower top plates and a plurality of ejector pins are arranged on the upper surface of the movable top plate;

the lower fixed die base is positioned above the movable top plate, two ends of the lower fixed die base are connected with the two supporting blocks in a one-to-one correspondence manner, a plurality of third guide posts and a plurality of second guide holes for the second guide posts to pass through are arranged at the edge of the lower fixed die base, a clamping groove extending along the longitudinal direction is arranged on the upper surface of the lower fixed die base, a lower drawing die plate is slidably arranged in the clamping groove, a lower die core is arranged on the upper surface of the lower drawing die plate, a plurality of lower die grooves arranged along the longitudinal direction at intervals and lower molding grooves communicated with the lower die grooves through injection molding runners are arranged on the upper surface of the lower die core at intervals, a plurality of first thimble holes for the thimbles to pass through are arranged at the bottoms of the clamping groove, the injection molding runners and the lower molding grooves, and zipper head fixing frames for fixing zippers are respectively arranged at the edges of two sides of the lower drawing die plate, a first top plate groove for extending a lower top plate is formed between the zipper head fixing frame and the lower die core;

upper portion movable mould seat, upper portion movable mould seat is located the top of the fixed mould seat in lower part, the both ends of upper portion movable mould seat be provided with respectively with wane complex supporting leg, the border of upper portion movable mould seat lower surface is provided with a plurality of third guide holes that can supply third guide post male, the middle part of upper portion movable mould seat lower surface is provided with mould benevolence, the lower surface of going up mould benevolence is provided with a plurality of last mould grooves of arranging along longitudinal separation and the last groove of moulding plastics through moulding plastics runner and last mould groove intercommunication, the top of upper portion movable mould seat is provided with the chamber of moulding plastics with last injection moulding plastics groove intercommunication.

Further, the zipper head conveying mechanism comprises a first fixing frame, a first air cylinder, a first slide rail, a first shifting block, a first limiting part, a zipper head guide rail and a zipper head releasing device, wherein a first hollow window is arranged on the first fixing frame, the first air cylinder is arranged at the upper part of the first fixing frame, the first slide rail is arranged on the first fixing frame, a first slide block in sliding fit with the first slide rail is arranged on the first slide rail, a piston rod of the first air cylinder penetrates through the first hollow window and then is connected with the first slide block, the zipper head guide rail comprises a horizontal guide rail and a slide groove, the horizontal guide rail is horizontally arranged and longitudinally extends, the horizontal guide rail is positioned at one side of the first fixing frame and is movably connected with the first fixing frame, a second hollow window is arranged at one end, close to the first fixing frame, of the slide groove is vertically arranged, and the upper end of the slide groove is connected with one end, close to the first fixing frame, of the horizontal guide rail, the first shifting block is located below the first fixing frame, one end of the first shifting block is connected with a piston rod of the first air cylinder, the other end of the first shifting block extends out of the second hollow window, the zipper puller releasing device is arranged on the first fixing frame, and the first limiting part is located above the horizontal guide rail and connected with the first fixing frame.

Further, draw zipper head release device including first draw zipper head release cylinder and second to draw zipper head release cylinder, first draw zipper head release cylinder with the second draws zipper head release cylinder parallel arrangement on first mount, first draw zipper head release cylinder and second to draw zipper head release cylinder to draw in the zipper head entering spout through the flexible control of control its piston rod.

Further, the zipper head arrangement mechanism comprises a second fixing frame, a first driving motor, a first lead screw sliding block assembly, a zipper head fixing block, a sliding block, two sliding block driving cylinders, a sliding top plate, a cylinder mounting plate and a sliding top plate driving cylinder, wherein the second fixing frame is vertically arranged and connected with a fixed base plate, the first driving motor and the first lead screw sliding block assembly are both positioned on one side of the second fixing frame close to a lower drawing die plate, the first lead screw sliding block assembly is horizontally arranged and connected with the second fixing frame, a shell of the first driving motor is connected with the second fixing frame, a rotating shaft of the first driving motor is connected with a lead screw of the first lead screw sliding block assembly, the zipper head fixing block is horizontally arranged and connected with a sliding block of the first lead screw sliding block assembly through a connecting block, and a plurality of first positioning grooves are formed on one side of the zipper head fixing block close to the lower drawing die plate, the two sliding block driving cylinders are arranged below the zipper head fixing block at intervals, the shells of the two sliding block driving cylinders are respectively connected with the zipper head fixing block, the sliding block is positioned below the zipper head fixing block, two ends of the sliding block are connected with piston rods of the two sliding block driving cylinders in a one-to-one correspondence manner, the lower edge of the sliding block is provided with a plurality of second positioning grooves, the cylinder mounting plate is positioned below the zipper head fixing block and connected with the connecting block, and a second sliding rail is arranged on the cylinder mounting plate; the utility model discloses a slide roof structure, including slide roof, slide roof drive actuating cylinder, slide roof's piston rod and slide roof's one end are connected, slide roof's one side is passed through slider and second slide rail sliding fit, slide roof's the other end is provided with a plurality of zipper head thimbles, every draw zipper head thimble one-to-one and insert in every second constant head tank.

Further, the zipper head pressing mechanism comprises a pressing mechanism and an upper pushing mechanism, the pressing mechanism comprises a third fixing frame, a first pressing cylinder, a first pressing plate, two second pressing cylinders and a second pressing plate, the third fixing frame is arranged above the two zipper head arrangement mechanisms and is connected with the fixed base plate through a plurality of connecting rods, two first slide rail fixing plates are arranged at the lower part of the third fixing frame in parallel and at intervals, third slide rails are respectively arranged at the inner sides of the two first slide rail fixing plates, the first pressing plate is positioned between the two third slide rails, the first pressing cylinder is arranged at the top of the third fixing frame, a piston rod of the first pressing cylinder penetrates through the third fixing frame and is connected with the first pressing plate, the first pressing plate is horizontally arranged, and second slide rail fixing plates are respectively vertically arranged at the two ends of the first pressing plate, the outer sides of the two second slide rail fixing plates are in one-to-one correspondence with the two third slide rails through slide blocks respectively, the inner sides of the two second slide rail fixing plates are provided with fourth slide rails respectively, the second lower pressing plate is located between the two fourth slide rails, the two second lower pressing cylinders are arranged on the first lower pressing plate at intervals, piston rods of the two second lower pressing cylinders penetrate through the first lower pressing plate and then are connected with the upper surface of the second lower pressing plate, and two ends of the second lower pressing plate are in one-to-one correspondence with the two fourth slide rails through the slide blocks respectively.

Further, it includes fourth mount, goes up a cylinder and two and draws zipper head roof down to go up a mechanism, the fourth mount sets up in the lower part of fixed baseplate, it sets up on the fourth mount to go up a cylinder, be provided with the bar hole that can supply to draw zipper head roof down to pass through on the fixed baseplate draw zipper head roof down parallel and the interval setting, two draw zipper head roof down's lower extreme to be connected with the piston rod of last cylinder respectively, two draw zipper head roof down's upper end to pass and stretch out in the first roof groove of fixed baseplate back follow lower part pull mould board.

Further, the template conveying mechanism comprises a second driving motor, a second lead screw sliding block assembly, a mold supporting frame and a template supporting block, the second driving motor, the second lead screw sliding block assembly and the mold supporting frame are sequentially arranged on the upper surface of the fixed base plate along the longitudinal direction, a rotating shaft of the second driving motor is connected with a lead screw of the second lead screw sliding block assembly, the template supporting block is arranged on a sliding block of the second lead screw sliding block assembly, a positioning rod matched with a lower drawing mold plate is arranged on the template supporting block, and the mold supporting frame is used for being matched with the template supporting block to support the lower drawing mold plate.

Furthermore, draw zipper head to put device still includes two zip fastener vibrations dish, two the zip fastener vibrations dish sets up in the one end of fixed baseplate, the defeated material mouth and the horizontal guide of zip fastener vibrations dish are kept away from the one end of first mount and are connected.

Furthermore, the upper surface of bottom plate is parallel and the interval is provided with two and follows the deflector of longitudinal extension, be provided with the guide way that can supply the deflector to pass on the activity roof.

The embodiment of the utility model provides a have following advantage:

1. the full-automatic zipper-tab placing, injection molding and encapsulation machine provided by the embodiment of the utility model outputs the received zipper tabs to a downstream mechanism through the zipper tab conveying mechanism according to a preset speed and a preset quantity; the zipper head arrangement mechanism is used for receiving the zipper heads conveyed by the zipper head conveying mechanism and arranging the zipper heads at equal intervals along the longitudinal direction; pressing the arranged zipper heads into a lower die core of the lower drawing die plate through a zipper head pressing mechanism; then, the lower drawing die plate with the arranged zipper head is conveyed to an injection molding and pressing mechanism through a die plate conveying mechanism for injection molding; the placing process of the whole zipper head is automatically completed by a machine without manual participation, so that the production efficiency and the qualification rate of finished products are effectively improved, and the production cost is greatly reduced.

2. After the injection molding of the full-automatic pulling-on piece placing, injection molding and encapsulation machine provided by the embodiment of the utility model is finished, one end of the wane is jacked downwards by the lower ends of the supporting legs, the movable top plate is jacked upwards by the other end of the wane, so that the injection molded product is jacked upwards by the top plate and the thimble, and the injection molded product is jacked downwards by the upper top plate to prevent the adhesion with the mold; because a plurality of zipper heads can be simultaneously injected by one-time injection molding, the production efficiency can be effectively improved.

3. The utility model discloses full-automatic pulling-on piece is put and is moulded plastics rubber coating machine is the modularized design, and the convenience is dismantled and is installed it.

4. The utility model discloses full-automatic putting of pulling-on piece rubber coating machine of moulding plastics is through setting up the lower mould benevolence in the upper surface of lower part pull mould board, and the back is accomplished in moulding plastics, takes lower part pull mould board out to put into new lower part pull mould board, alright get into the next round and mould plastics, further improve production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic structural view of a full-automatic placement injection molding and encapsulation machine and an injection molding and compression molding mechanism for a pull piece provided by an embodiment of the utility model;

fig. 2 is a schematic structural view of two zipper head conveying mechanisms provided in the embodiment of the present invention when symmetrically arranged;

fig. 3 is a schematic structural view of a zipper head conveying mechanism provided in an embodiment of the present invention;

fig. 4 is a schematic structural view of a zipper head arrangement mechanism according to an embodiment of the present invention;

fig. 5 is a schematic view of the operation of the zipper head arrangement mechanism and the zipper head conveying mechanism provided by the embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of the structure shown at A in FIG. 5;

fig. 7 is a schematic working diagram of the zipper head pressing mechanism and the zipper head arranging mechanism provided in the embodiment of the present invention when working in cooperation;

fig. 8 is a schematic view of the operation of the zipper head pressing mechanism according to the embodiment of the present invention;

fig. 9 is a schematic structural diagram of a pressing mechanism according to an embodiment of the present invention;

fig. 10 is a schematic view of the template conveying mechanism and the top pushing mechanism provided in the embodiment of the present invention when working in cooperation.

Fig. 11 is a schematic structural view of an injection molding and compression molding mechanism according to an embodiment of the present invention in a disassembled state;

fig. 12 is a schematic perspective view of an injection molding and compression molding mechanism according to an embodiment of the present invention;

fig. 13 is a schematic side view of a cross-sectional structure of an injection molding press mechanism according to an embodiment of the present invention in a mold closing state;

fig. 14 is a schematic side view of a cross-sectional structure of an injection molding press mechanism in a mold opening state according to an embodiment of the present invention;

fig. 15 is a schematic perspective view of an upper movable mold base according to an embodiment of the present invention;

fig. 16 is a schematic structural view of the injection molding press mechanism according to the embodiment of the present invention after the upper movable mold base is removed;

fig. 17 is a schematic perspective view of a bottom plate and a movable top plate according to an embodiment of the present invention.

Description of reference numerals: 10. a base plate; 11. a support block; 12. a first guide post; 13. a seesaw; 14. a guide plate; 15. a gasket; 16. a first guide hole; 17. a second guide post; 18. a lower top plate; 19. a thimble; 20. a movable top plate; 21. a guide groove; 22. a third guide post; 23. a second guide hole; 24. a lower draw die plate; 25. a lower die core; 26. a lower mold groove; 27. injection molding a runner; 28. a lower injection molding groove; 29. a first thimble hole; 30. the lower part is fixed with a mould seat; 31. a zipper head fixing frame; 33. supporting legs; 34. a third guide hole; 35. an upper die core; 36. an upper mold groove; 37. an upper injection molding groove; 38. an injection molding cavity; 39. a fourth guide post; 40. an upper movable mold base; 41. a fourth guide hole; 42. a cooling tube; 43. an upper top plate; 50. a slider of a zipper fastener; 51. fixing the substrate; 60. a slider conveying mechanism; 61. a first fixing frame; 62. a first cylinder; 63. a first slide rail; 64. a first shifting block; 65. a first limit piece; 66. a slider guide rail; 67. a second hollow-out window; 68. a first slider release cylinder; 69. a second slider release cylinder; 661. a horizontal guide rail; 662. a chute; 70. a slider arranging mechanism; 71. a second fixing frame; 72. a first drive motor; 73. a first lead screw slider assembly; 74. a zipper head fixing block; 75. a sliding stopper; 76. the sliding block drives the cylinder; 77. a sliding top plate; 78. the sliding top plate drives the cylinder; 771. a zipper puller thimble; 772. a first positioning groove; 80. a slider pressing mechanism; 81. a pressing mechanism; 811. a third fixing frame; 812. a first down-pressure cylinder; 813. a first lower platen; 814. a second hold-down cylinder; 815. a second lower platen; 816. a first slide rail fixing plate; 817. a second slide rail fixing plate; 82. a jacking mechanism; 821. a fourth fixing frame; 822. an upper jacking cylinder; 823. a zipper head lower top plate; 90. a template conveying mechanism; 92. a second lead screw slider assembly; 93. a mold support frame; 94. a formwork support block; 95. a zipper vibration disk.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figure 1, the full-automatic zipper head placing, injection molding and encapsulation machine comprises a zipper head placing device and an injection molding and pressing mechanism, and a workbench can be further arranged for safe operation, and the zipper head placing device and the injection molding and pressing mechanism are arranged in the workbench.

As shown in fig. 1, the zipper head placing device includes a fixed base plate 51, two zipper head conveying mechanisms 60, two zipper head arranging mechanisms 70, a zipper head pressing mechanism 80, a template conveying mechanism 90 and two zipper vibration discs 95, wherein the fixed base plate 51 extends in the longitudinal direction for providing a mounting base for the other mechanisms.

As shown in fig. 2 and 3, the zipper head conveying mechanisms 60 are configured to output the received zipper heads 50 to a downstream mechanism according to a predetermined rate and a predetermined number, the two zipper head conveying mechanisms 60 are symmetrically disposed above the fixed base plate 51, each zipper head conveying mechanism 60 includes a first fixing frame 61, a first cylinder 62, a first slide rail 63, a first shifting block 64, a first limiting member 65, a zipper head guide rail 66 and a zipper head releasing device, the two first fixing frames 61 are symmetrically disposed and are respectively connected with corresponding second fixing frames 71, the two first fixing frames 61 are connected through a connecting member, and the connecting member connects the two second fixing frames 71 into a whole, thereby effectively improving the structural strength of the fixing frames. The first fixing frame 61 is provided with a first hollow window, a piston rod of the first air cylinder 62 can be inserted into the lower portion of the first fixing frame 61 through the first hollow window, the first air cylinder 62 is arranged on the upper portion of the first fixing frame 61, and the first air cylinder 62 is used for driving the first shifting block 64 to move, so that the pulling piece of the zipper puller 50 is shifted to a horizontal state from a sagging state. The first slide rail 63 is arranged on the first fixing frame 61, an acute included angle is formed between the first slide rail 63 and the horizontal plane, a first slide block in sliding fit with the first slide rail 63 is arranged on the first slide rail 63, and a piston rod of the first air cylinder 62 penetrates through the first hollow window and then is connected with the first slide block. Draw zipper head guide rail 66 to be used for providing guide effect for the motion of drawing zipper head 50, draw zipper head guide rail 66 to include horizontal guide 661 and spout 662, and horizontal guide 661 is bar sheet structure, and horizontal guide 661 level sets up and follows longitudinal extension, and horizontal guide 661 is shaken by the drive of zip fastener vibrations dish 95, and then drives the length direction motion of drawing zipper head 50 along horizontal guide 661 on the horizontal guide 661. Horizontal guide 661 is located one side of first mount 61 to with first mount 61 swing joint, the one end that horizontal guide 661 is close to first mount 61 is provided with second fretwork window 67, second fretwork window 67 can supply first shifting block 64 to stretch out, spout 662 is vertical to be set up, spout 662 is the cell type structure, draw zipper head 50 to move behind the tip of horizontal guide 661, again along spout 662 downward slip, the upper end of spout 662 is connected with the one end that horizontal guide 661 is close to first mount 61, the lower extreme of spout 662 extends downwards to the top of zip fastener head fixed block 74, first shifting block 64 is located the below of first mount 61, the one end of first shifting block 64 is connected with the piston rod of first cylinder 62, the other end of first shifting block 64 stretches out from second fretwork window 67. The first limiting member 65 is an inverted U-shaped block, the first limiting member 65 is located above the horizontal guide rail 661 and connected to the first fixing frame 61, and the position of the first limiting member 65 corresponds to the position of the second hollow window 67. When the zipper head 50 moves horizontally along the longitudinal direction on the flat guide rail 661, the pull tab of the zipper head 50 is in a sagging state, and when the zipper head 50 moves to the position below the first limiting member 65, the piston rod of the first cylinder 62 extends to drive the other end of the first shifting block 64 to extend out of the second hollow window 67, so that the pull tab of the zipper head 50 is shifted from the sagging state to the horizontal state.

Draw zipper head release including first draw zipper head release cylinder 68 and second draw zipper head release cylinder 69, first draw zipper head release cylinder 68 and second to draw zipper head release cylinder 69 parallel arrangement on first mount 61, wherein the second draws zipper head release cylinder 69 to be located first draw zipper head release cylinder 68 and keep away from the one side of first cylinder 62, and first draw zipper head release cylinder 68 and second draw zipper head release cylinder 69 to draw zipper head 50 to get into in the spout 662 through the flexible control of control its piston rod. When the piston rod of the first slider release cylinder 68 is extended and the piston rod of the second slider release cylinder 69 is retracted, the slider 50 passing through the first slider release cylinder 68 enters the chute 662 to fall; when the piston rod of the first slider release cylinder 68 is retracted and the piston rod of the second slider release cylinder 69 is extended, the piston rod of the second slider release cylinder 69 is extended to block the slider 50 on the horizontal guide rails 661, so that the slider is in a queuing state on the horizontal guide rails 661.

As shown in fig. 1, the zipper vibration discs 95 are used to align the sliders 50 by vibration and drive the sliders 50 to move on the horizontal guide rails 661, two zipper vibration discs 95 are disposed at one end of the fixed base plate 51, and the two zipper vibration discs 95 are used in one-to-one correspondence with the two slider conveying mechanisms 60. Each zipper vibration disc 95 is provided with a storage hopper corresponding to the zipper vibration disc for feeding, a discharge port of the storage hopper is connected with a feed port of the zipper vibration disc 95, and a feed delivery port of the zipper vibration disc 95 is connected with one end of the horizontal guide rail 661 far away from the first fixing frame 61. When the zipper vibration disk 95 vibrates, the horizontal guide rail 661 vibrates along with the zipper vibration disk 95, and the slider 50 clamped to the horizontal guide rail 66 moves along the length direction of the horizontal guide rail 661 under the vibration. Since the zipper vibration plate 95 is a conventional device directly purchased in the market, which is commonly used in industrial production, the internal structure of the zipper vibration plate 95 will not be described in detail.

As shown in fig. 4, 5 and 6, the zipper head arrangement mechanism 70 is configured to receive the zipper heads 50 conveyed by the zipper head conveying mechanism 60 and arrange the zipper heads 50 at equal intervals along the longitudinal direction, two zipper head arrangement mechanisms 70 are symmetrically disposed on the upper portion of the fixed substrate 51, and the two zipper head arrangement mechanisms 70 are connected and matched with the two zipper head conveying mechanisms 60 in a one-to-one correspondence manner. The zipper head arrangement mechanism 70 includes a second fixing frame 71, a first driving motor 72, a first screw rod slider assembly 73, a zipper head fixing block 74, a sliding block 75, two sliding block driving cylinders 76, a sliding top plate 77, a cylinder mounting plate and a sliding top plate driving cylinder 78, the second fixing frame 71 is in a door shape, and the second fixing frame 71 is vertically arranged and connected with the fixing base plate 51. First driving motor 72 and first lead screw slider assembly 73 all are located one side that second mount 71 is close to lower part pull mould board 24, and first lead screw slider assembly 73 is along longitudinal extension, and first lead screw slider assembly 73 level sets up and is connected with second mount 71, and the lead screw slider assembly is the sliding mechanism who comprises lead screw, slider and guide rail in this embodiment, for the mechanism commonly used in industrial production, consequently does not describe in detail here again. The first driving motor 72 is located at one end of the first lead screw sliding block assembly 73 far away from the zipper head conveying mechanism 60, the housing of the first driving motor 72 is connected with the second fixing frame 71, the rotating shaft of the first driving motor 72 is connected with the lead screw of the first lead screw sliding block assembly 73, the zipper head fixing block 74 is horizontally arranged and connected with the slider of the first lead screw sliding block assembly 73 through a connecting block, one side of the zipper head fixing block 74 close to the lower drawing die plate 24 is provided with a plurality of first positioning grooves 772, the plurality of first positioning grooves 772 are arranged at equal intervals along the longitudinal direction, the first positioning grooves 772 are used for limiting the zipper head 50, the number of the first positioning grooves 772 is the same as that of the die grooves in the die core, the two sliding block driving cylinders 76 are arranged below the zipper head fixing block 74 at intervals, the housings of the two sliding block driving cylinders 76 are respectively connected with the zipper head fixing block 74, the sliding block 75 is located below the zipper head fixing block 74, the two ends of the sliding block 75 are connected with the piston rods of the two sliding block driving cylinders 76 in a one-to-one correspondence manner, the lower edge of the sliding block 75 is provided with a plurality of second positioning grooves, the number of the second positioning grooves is the same as that of the first positioning grooves 772, the positions of the second positioning grooves are in one-to-one correspondence with those of the first positioning grooves 772, and the sliding block 75 can be driven by the sliding block driving cylinders 76 to move back and forth along the transverse direction. The cylinder mounting panel is located the below of drawing zipper head fixed block 74, and be connected with the connecting block, be provided with the second slide rail on the cylinder mounting panel, the acute angle contained angle is personally submitted with the level to the second slide rail, slip roof drives actuating cylinder 78 and sets up on the cylinder mounting panel, slip roof drives actuating cylinder 78's piston rod and is connected with the one end of slip roof 77, slip roof 77 and draw zipper head fixed block 74 between become acute angle contained angle, slider and second slide rail sliding fit are passed through to one side of slip roof 77, the other end equidistance interval of slip roof 77 is provided with a plurality of zipper head thimbles 771, every draws zipper head thimble 771 and inserts in every second constant head tank one-to-one, draw zipper head thimble 771 and draw zipper head fixed block 74 between become acute angle contained angle, the one end that draws zipper head. When the zipper head 50 does not enter the first positioning groove 772, the zipper head 50 cannot enter the first positioning groove 772 due to the blocking of the zipper head thimble 771; when the piston rods of the two sliding block driving cylinders 76 extend and the piston rods of the sliding top plate driving cylinder 78 retract, the sliding block 75 blocks the lower port of the first positioning groove 772, at this time, no object is blocked in the first positioning groove 772, the zipper head 50 can fall through the chute 662 and enter the first positioning groove 772, meanwhile, the first driving motor 72 rotates, the zipper head fixing block 74 moves longitudinally under the cooperation of the first lead screw sliding block assembly 73, so that one zipper head 50 enters each first positioning groove 772, after the zipper head 50 is placed, the first driving motor 72 rotates again to convey the zipper head fixing block 74 to the position corresponding to the lower drawing die plate 24, and therefore preparation is made for pressing the zipper head 50 into the die core by the zipper head pressing mechanism 80.

As shown in fig. 7, 8 and 9, the zipper head pressing mechanism 80 is used for pressing the arranged zipper heads 50 into the lower mold core of the lower drawing mold plate 24, the zipper head pressing mechanism 80 is connected with the fixed base plate 51, the zipper head pressing mechanism 80 comprises a pressing mechanism 81 and an upper pushing mechanism 82, the pressing mechanism 81 comprises a third fixing frame 811, a first pressing cylinder 812, a first pressing plate 813, two second pressing cylinders 814 and a second pressing plate 815, the third fixing frame 811 is arranged above the two zipper head arranging mechanisms 70 and is connected with the fixed base plate 51 through a plurality of connecting rods, the lower part of the third fixing frame 811 is provided with two first slide rail fixing plates 816 in parallel and at intervals, the first slide rail fixing plates 816 extend vertically downward, the inner sides of the two first slide rail fixing plates 816 are respectively provided with a third slide rail, the first pressing plate 813 is located between the two third slide rails, the first pressing cylinder 812 is arranged at the top of the third fixing frame 811, the piston rod of the first lower pressing cylinder 812 penetrates through the third fixing frame 811 and then is connected with the first lower pressing plate 813, the first lower pressing plate 813 is horizontally arranged, the two ends of the first lower pressing plate 813 are respectively and vertically provided with second sliding rail fixing plates 817, the outer sides of the two second sliding rail fixing plates 817 are respectively in one-to-one correspondence with the two third sliding rails through sliding blocks, the inner sides of the two second sliding rail fixing plates 817 are respectively provided with a fourth sliding rail, the second lower pressing plate 815 is located between the two fourth sliding rails, the two second lower pressing cylinders 814 are arranged on the first lower pressing plate 813 at intervals, the piston rods of the two second lower pressing cylinders 814 penetrate through the first lower pressing plate 813 and then are connected with the upper surface of the second lower pressing plate 815, and the two ends of the second lower pressing plate 815 are respectively in one-to-one correspondence with the.

The top-loading mechanism 82 comprises a fourth fixing frame 821, a top-loading cylinder 822 and two zipper head lower top plates 823, the fourth fixing frame 821 is arranged on the lower portion of the fixed base plate 51, the top-loading cylinder 822 is arranged on the fourth fixing frame 821, a strip-shaped hole for the zipper head lower top plates 823 to pass through is formed in the fixed base plate 51, the two zipper head lower top plates 823 are arranged in parallel and at intervals, the lower ends of the two zipper head lower top plates 823 are respectively connected with a piston rod of the top-loading cylinder 822, and the upper ends of the two zipper head lower top plates 823 penetrate through the fixed base plate 51 and then stretch out of a first top plate groove of the lower drawing die plate 24.

Before the zipper head 50 is pressed into the mold core, the piston rod of the first downward pressing cylinder 812 extends to drive the first downward pressing plate 813 and the second downward pressing plate 815 to move downwards for a preset distance, then the piston rod of the sliding top plate driving cylinder 78 is controlled to extend, so that the zipper head ejector 771 jacks up the pull tab of each zipper head 50 to enable the pull tab to be in a horizontal state, then the upper ejection cylinder 822 is controlled to work, the piston rod of the upper ejection cylinder 822 extends to drive the zipper head lower top plate 823 to move upwards, the pull tab of each zipper head 50 is jacked up after extending out of the first top plate groove of the lower drawing mold plate 24, and the zipper head 50 moves upwards for a certain distance in the first positioning groove 772; and then the piston rods of the sliding block driving cylinder 76 and the sliding top plate driving cylinder 78 are controlled to retract, the piston rods of the two second lower pressing cylinders 814 are controlled to extend to drive the second lower pressing plate 815 to move downwards, the piston rod of the upper top cylinder 822 is controlled to retract, the pull piece of each zipper puller 50 is clamped between the second lower pressing plate 815 and the lower zipper puller top plate 823 and moves downwards, and finally each zipper puller 50 is placed in the corresponding fixed clamping position and is positioned in the lower die groove, so that the placement of the zipper pullers 50 is completed.

As shown in fig. 10, the template conveying mechanism 90 is used to convey the lower drawing die plate 24 with the slider 50 placed thereon to the injection molding press mechanism for injection molding. The template conveying mechanism 90 comprises a second driving motor, a second lead screw slider component 92, a mold supporting frame 93 and a template supporting block 94, the second driving motor, the second lead screw slider component 92 and the mold supporting frame 93 are sequentially arranged on the upper surface of the fixed base plate 51 along the longitudinal direction, the mold supporting frame 93 is used for being matched with the template supporting block 94 to support the lower drawing mold plate 24, a rotating shaft of the second driving motor is connected with a lead screw of the second lead screw slider component 92, the template supporting block 94 is arranged on a slider of the second lead screw slider component 92, a positioning rod matched with the lower drawing mold plate 24 is arranged on the template supporting block 94, the positioning rod is inserted into a connecting hole of the lower drawing mold plate 24, and the template supporting block 94 is quickly connected with the lower drawing mold plate 24. After the zipper head 50 is placed, the second driving motor rotates to drive the template supporting block 94 to move longitudinally, and the template supporting block 94 drives the lower drawing die plate 24 to move to the injection molding and pressing mechanism to perform injection molding on the placed zipper head 50. The placing process of the whole zipper head 50 is automatically completed by a machine without manual participation, so that the production efficiency and the qualification rate of finished products are effectively improved, and the production cost is greatly reduced.

As shown in fig. 11 and 12, the injection molding press mechanism is disposed on the fixed substrate, the injection molding press mechanism is used for injection molding of the placed zipper head, the injection molding press mechanism includes a bottom plate 10, a movable top plate 20, a lower fixed mold seat 30 and an upper movable mold seat 40, the bottom plate 10 is in a rectangular plate-shaped structure, the bottom plate 10 is fixed on the substrate through bolts, two ends of the upper surface of the bottom plate 10 are respectively provided with a supporting block 11, the supporting blocks 11 are used for connecting the bottom plate 10 with the lower fixed mold seat 30, the two supporting blocks 11 are arranged in parallel and at intervals, four first guide posts 12 connected with the bottom plate 10 are disposed between the two supporting blocks 11 at intervals, and the first guide posts 12 are vertically and upwardly disposed. The upper surface of the bottom plate 10 is provided with two guide plates 14 extending in the longitudinal direction in parallel and at intervals, and the guide plates 14 are used for cooperating with the first guide posts 12 to define the moving direction of the movable top plate 20, so as to prevent the movable top plate 20 from shifting to damage the lower top plate 18 and the ejector pin 19. The both ends of bottom plate 10 are provided with the mounting groove respectively, are provided with wane 13 in every mounting groove, and wane 13 is articulated through round pin axle and bottom plate 10, and wane 13 can rotate certain angle around the round pin axle. A plurality of gaskets 15 are arranged on the upper surface of the bottom plate 10 at intervals, and the gaskets 15 can prevent the movable top plate 20 from being adhered to the bottom plate 10 in the injection molding process.

As shown in fig. 17, the movable top plate 20 is located above the bottom plate 10, four first guide holes 16 are formed in the movable top plate 20, through which the first guide posts 12 can pass, and the positions of the first guide holes 16 correspond to the positions of the first guide posts 12 one by one. The border of activity roof 20 is provided with four second guide posts 17, and second guide post 17 sets up vertically upwards, and the cover is equipped with reset spring on the second guide post 17. The upper surface of the movable top plate 20 is provided with two lower top plates 18 and a plurality of ejector pins 19, the two lower top plates 18 are arranged in parallel and at intervals, the ejector pins 19 are positioned between the two lower top plates 18, the ejector pins 19 are arranged in three rows at intervals along the longitudinal direction, the ejector pin 19 in the middle corresponds to the first ejector pin hole 29 of the lower injection molding groove 28, the ejector pins 19 on two sides correspond to the first ejector pin hole 29 of the lower mold groove 26, and the lower top plates 18 and the ejector pins 19 are matched to jack up the injection molded zipper head 50. In this embodiment, the movable top plate 20 is a double-layer plate-shaped structure formed by an upper fixing plate and a lower fixing plate, the upper fixing plate and the lower fixing plate are connected by bolts, the lower end of the movable top plate 20 and the lower end of the thimble 19 are inserted into the upper fixing plate, and the first guide hole 16 penetrates through the upper fixing plate and the lower fixing plate. The movable top plate 20 is provided with guide slots 21 for the guide plate 14 to pass through, and the two guide slots 21 are located at two sides of the thimble 19.

As shown in fig. 16, the lower fixed die holder 30 is located above the movable top plate 20, two ends of the lower fixed die holder 30 are connected to the two support blocks 11 in a one-to-one correspondence manner, four third guide posts 22 and four second guide holes 23 through which the second guide posts 17 can pass are arranged on the edge of the lower fixed die holder 30, the third guide posts 22 are arranged vertically upward, and the positions of the second guide holes 23 correspond to the positions of the second guide posts 17 in a one-to-one correspondence manner. The upper surface of the lower part fixed die base 30 is provided with a clamping groove extending along the longitudinal direction, a lower part drawing die plate 24 is slidably arranged in the clamping groove, the lower part drawing die plate 24 can be drawn out from the clamping groove along the longitudinal direction after the injection molding is finished, two edges of the clamping groove are respectively provided with a limiting strip extending along the longitudinal direction, and the limiting strip has a limiting effect on the lower part drawing die plate 24 in the transverse direction so as to ensure that the lower part drawing die plate 24 can be accurately placed at a preset position every time. The upper surface of the lower drawing die plate 24 is provided with a lower positioning groove which is recessed downward, and the lower die core 25 is mounted in the lower positioning groove through a bolt. The upper surface interval of lower mould benevolence 25 is provided with a plurality of lower mould groove 26 along vertical interval arrangement, and a plurality of lower mould groove 26 are two rows of arrangements, and lower injection moulding groove 28 is located between two rows of lower mould groove 26 to along vertical extension, lower injection moulding groove 28 is through moulding plastics runner 27 and lower mould groove 26 intercommunication, and lower mould groove 26 is used for placing the end of moulding plastics of drawing zipper head 50. The bottom of the clamping groove, the injection molding flow channel 27 and the lower injection molding groove 28 is provided with a plurality of first thimble holes 29 for the thimbles 19 to pass through, wherein the first thimble holes 29 at the bottom of the clamping groove, the first thimble holes 29 at the bottom of the injection molding flow channel 27 and the first thimble holes 29 at the bottom of the lower injection molding groove 28 are positioned on the same straight line, when the movable top plate 20 moves upwards, the thimbles 19 can move upwards through the first thimble holes 29, and the injection molded product is ejected out from the lower mold groove 26, so that adhesion is prevented. The edges of the two sides of the lower drawing die plate 24 are respectively provided with a zipper puller fixing frame 31 for fixing the zipper puller 50, the zipper puller fixing frame 31 longitudinally extends, the zipper puller fixing frame 31 is provided with a plurality of fixing clamping positions, a plurality of zipper pullers 50 can be fixed at one time, and the production efficiency is effectively improved. A first top plate groove for extending the lower top plate 18 is arranged between the zipper head fixing frame 31 and the lower mold core 25, the first top plate groove extends along the longitudinal direction, and when the movable top plate 20 moves upwards, the lower top plate 18 can move upwards through the first top plate groove and jack up the zipper head 50 upwards.

As shown in fig. 15, the upper movable mold base 40 is located above the lower fixed mold base 30, the upper movable mold base 40 is also a double-layer plate structure, the two ends of the upper movable mold base 40 are respectively provided with supporting legs 33 matched with the rocker 13, and the supporting legs 33 are used for transmitting pressure to the rocker 13, so that one end of the rocker 13, which is far away from the supporting legs 33, is tilted upwards, and the movable roof is lifted upwards. The edge of the lower surface of the upper movable die holder 40 is provided with four third guide holes 34 into which the third guide posts 22 can be inserted, and the positions of the third guide holes 34 correspond to the positions of the third guide posts 22 one by one. The middle part of the lower surface of the upper movable die base 40 is provided with an upper positioning groove, and the upper die core 35 is installed in the upper positioning groove through a bolt. The lower surface of the upper die core 35 is provided with a plurality of upper die grooves 36 arranged at intervals along the longitudinal direction and upper injection grooves 37 communicated with the upper die grooves 36 through the injection runner 27, the upper die grooves 36 correspond to the lower die grooves 26 one by one, and the upper injection grooves 37 correspond to the lower injection grooves 28. The lower surface of the upper fixed die base is provided with two grooves extending along the longitudinal direction, each groove is internally provided with an upper top plate 43 and a spring matched with the upper top plate 43, and when the upper fixed die base is used, the upper top plate 43 can be upwards stretched by extruding the upper top plate 43. The top of the upper movable mold base 40 is provided with an injection molding cavity 38 communicated with the upper injection molding groove 37, when in use, the injection molding cavity 38 is connected with an injection molding output port of an injection molding machine, the upper movable mold base 40 is connected with a lifting rod of the injection molding machine through a bolt, and the lifting rod drives the upper movable mold base 40 to move up and down. Further, the lower surface of the upper fixed mold base is provided with four fourth guide posts 39, the fourth guide posts 39 are arranged vertically downward, the lower drawing mold plate 24 is provided with four fourth guide holes 41 into which the fourth guide posts 39 can be inserted, and the upper movable mold base 40 can be accurately limited to a predetermined position by the cooperation of the fourth guide posts 39 and the fourth guide holes 41. The inside of the fixed mould seat 30 of lower part and the movable mould seat 40 of upper portion all is provided with cooling tube 42, and the inlet and the liquid outlet of cooling tube 42 pass through the pipeline and are connected with cooling equipment, pours into the coolant liquid into the cavity into through the circulation, can carry out accurate control with the inside temperature of mould. The utility model discloses the compression moulding mechanism of moulding plastics is modular design, and the convenience is dismantled and is installed it.

The working principle is as follows: as shown in fig. 13 and 14, before injection molding, the lifting rod drives the upper movable mold base 40 to move upward to a predetermined height, the lower pull mold plate 24 with the pre-placed zipper head 50 is sent to a predetermined position in the clamping groove, the lifting rod drives the upper movable mold base 40 to move downward, the upper mold core 35 is buckled with the lower mold core 25, the injection molding machine injects the melted liquid plastic into the injection molding cavity 38, the liquid plastic flows downward into the injection molding channel formed by the upper injection molding groove 37 and the lower injection molding groove 28, and then flows into the mold cavity formed by the upper mold groove 36 and the lower mold groove 26 through the injection molding runner 27, after the liquid plastic is cooled, the lifting rod drives the upper movable mold base 40 to move downward for a certain distance, 33 transmits pressure to the rocker 13, so that one end of the rocker 13 far away from the supporting leg 33 is tilted upward, thereby the movable top plate 20 is lifted upward, and the ejector pin 19 and the lower top plate 18 move upward, ejecting the injection-molded product from the lower mold groove 26 to prevent adhesion; after the injection molding is completed, the lower drawing die plate 24 is taken out, and the other lower drawing die plate 24 is sent to a preset position in the clamping groove to start the next injection molding. After the injection molding of the injection molding and compression molding mechanism provided by the embodiment of the utility model is finished, one end of the wane 13 is jacked downwards by the lower end of the supporting leg 33, the movable top plate 20 is jacked upwards by the other end of the wane 13, the injection molded product is jacked upwards by the top plate and the thimble 19, and the injection molded product is jacked downwards by the upper top plate 43 to prevent the adhesion with the mold; because a plurality of zipper heads 50 can be simultaneously injection-molded by one-time injection molding, the production efficiency can be effectively improved. The utility model discloses the compression moulding mechanism of moulding plastics is through setting up lower mould benevolence 25 in the upper surface of lower part pull mould board 24, and the back is accomplished in moulding plastics, takes lower part pull mould board 24 out to put into new lower part pull mould board 24, alright get into the next round and mould plastics, further improve production efficiency.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a full-automatic putting of pulling-on piece rubber coating machine of moulding plastics which characterized in that, the full-automatic putting of pulling-on piece rubber coating machine of moulding plastics includes that the zipper head puts the device and mould pressing mechanism moulds plastics, the zipper head puts the device and includes:

a fixing substrate extending in a longitudinal direction;

2. The full-automatic placement injection molding encapsulation machine for pull tabs according to claim 1, wherein the injection molding and pressing mechanism comprises:

3. The full-automatic placement injection molding and encapsulation machine for zipper pulls according to claim 2, wherein the zipper pull conveying mechanism comprises a first fixing frame, a first air cylinder, a first slide rail, a first shifting block, a first limiting block, a zipper pull guide rail and a zipper pull releasing device, wherein a first hollow window is arranged on the first fixing frame, the first air cylinder is arranged at the upper part of the first fixing frame, the first slide rail is arranged on the first fixing frame, a first slide block which is in sliding fit with the first slide rail is arranged on the first slide rail, a piston rod of the first air cylinder passes through the first hollow window and then is connected with the first slide block, the zipper pull guide rail comprises a horizontal guide rail and a slide groove, the horizontal guide rail is horizontally arranged and longitudinally extends, the horizontal guide rail is positioned at one side of the first fixing frame and is movably connected with the first fixing frame, a second hollow window is arranged at one end of the horizontal guide rail close to the first fixing frame, the utility model discloses a slide fastener, including first mount, first shifting block, piston rod, draw zipper head release device, first locating part is located the top of horizontal guide to be connected with first mount, the upper end of spout is connected with the one end that horizontal guide is close to first mount, first shifting block is located the below of first mount, the one end of first shifting block is connected with the piston rod of first cylinder, the other end of first shifting block stretches out from second fretwork window, draw zipper head release device to set up on first mount, first locating part is located the top of horizontal guide to be connected with first mount.

4. The full-automatic placement injection molding and encapsulation machine for zipper pulls according to claim 3, wherein the zipper pull releasing device comprises a first zipper pull releasing cylinder and a second zipper pull releasing cylinder, the first zipper pull releasing cylinder and the second zipper pull releasing cylinder are arranged on the first fixing frame in parallel, and the first zipper pull releasing cylinder and the second zipper pull releasing cylinder control the zipper pulls to enter the chute by controlling the expansion and contraction of piston rods of the first zipper pull releasing cylinder and the second zipper pull releasing cylinder.

5. The fully automatic placement injection molding and encapsulation machine for zipper pulls according to claim 1, 2, 3 or 4, wherein the zipper pull arrangement mechanism comprises a second fixing frame, a first driving motor, a first lead screw slider assembly, a zipper pull fixing block, a sliding block, two sliding block driving cylinders, a sliding top plate, a cylinder mounting plate and a sliding top plate driving cylinder, the second fixing frame is vertically arranged and connected with a fixed base plate, the first driving motor and the first lead screw slider assembly are both positioned at one side of the second fixing frame close to a lower drawing mold plate, the first lead screw slider assembly is horizontally arranged and connected with the second fixing frame, a shell of the first driving motor is connected with the second fixing frame, a rotating shaft of the first driving motor is connected with a lead screw of the first lead screw slider assembly, the zipper pull fixing block is horizontally arranged and connected with a slider of the first lead screw slider assembly through a connecting block, the zipper puller comprises a zipper puller fixing block, a lower drawing die plate, a sliding block, a plurality of sliding block driving cylinders, a plurality of first positioning grooves, a plurality of second positioning grooves, a cylinder mounting plate, a plurality of second sliding rails and a plurality of second positioning grooves, wherein one side of the zipper puller fixing block, which is close to the lower drawing die plate, is provided with a plurality of first positioning grooves; the utility model discloses a slide roof structure, including slide roof, slide roof drive actuating cylinder, slide roof's piston rod and slide roof's one end are connected, slide roof's one side is passed through slider and second slide rail sliding fit, slide roof's the other end is provided with a plurality of zipper head thimbles, every draw zipper head thimble one-to-one and insert in every second constant head tank.

6. The full-automatic placement injection molding and encapsulation machine for zipper pulls according to claim 1, 2, 3 or 4, wherein the zipper pull downward-pressing mechanism comprises a downward-pressing mechanism and an upward-pressing mechanism, the downward-pressing mechanism comprises a third fixing frame, a first downward-pressing air cylinder, a first downward-pressing plate, two second downward-pressing air cylinders and a second downward-pressing plate, the third fixing frame is arranged above the two zipper pull arrangement mechanisms and connected with a fixed base plate through a plurality of connecting rods, the lower part of the third fixing frame is provided with two first slide rail fixing plates in parallel and at intervals, the inner sides of the two first slide rail fixing plates are respectively provided with a third slide rail, the first downward-pressing plate is positioned between the two third slide rails, the first downward-pressing air cylinder is arranged at the top of the third fixing frame, and a piston rod of the first downward-pressing air cylinder is connected with the first downward-pressing plate after penetrating through the, the first lower pressing plate is horizontally arranged, second slide rail fixing plates are vertically arranged at two ends of the first lower pressing plate respectively, the outer sides of the second slide rail fixing plates are in one-to-one correspondence with the two third slide rails respectively through slide blocks, the inner sides of the second slide rail fixing plates are provided with fourth slide rails respectively, the second lower pressing plate is located between the two fourth slide rails, the two second lower pressing cylinders are arranged on the first lower pressing plate at intervals, piston rods of the two second lower pressing cylinders penetrate through the first lower pressing plate and then are connected with the upper surface of the second lower pressing plate, and two ends of the second lower pressing plate are in one-to-one correspondence with the two fourth slide rails respectively through slide blocks.

7. The full-automatic placement injection molding and encapsulation machine for zipper pulls according to claim 6, wherein the upper ejection mechanism comprises a fourth fixing frame, an upper ejection cylinder and two zipper pull lower top plates, the fourth fixing frame is arranged at the lower part of a fixing base plate, the upper ejection cylinder is arranged on the fourth fixing frame, a strip-shaped hole for the zipper pull lower top plates to pass through is arranged on the fixing base plate, the two zipper pull lower top plates are arranged in parallel and at intervals, the lower ends of the two zipper pull lower top plates are respectively connected with a piston rod of the upper ejection cylinder, and the upper ends of the two zipper pull lower top plates extend out of a first top plate groove of a lower drawing mold plate after passing through the fixing base plate.

8. The full-automatic placement injection molding and encapsulation machine for pull tabs according to claim 7, wherein the mold plate conveying mechanism comprises a second driving motor, a second lead screw slider assembly, a mold supporting frame and a mold supporting block, the second driving motor, the second lead screw slider assembly and the mold supporting frame are sequentially arranged on the upper surface of the fixed substrate along the longitudinal direction, a rotating shaft of the second driving motor is connected with a lead screw of the second lead screw slider assembly, the mold supporting block is arranged on a slider of the second lead screw slider assembly, a positioning rod matched with the lower drawing mold plate is arranged on the mold supporting block, and the mold supporting frame is used for being matched with the mold supporting block to support the lower drawing mold plate.

9. The fully-automatic placement injection molding and encapsulation machine for zipper pulls according to claim 3 or 4, wherein the zipper puller placement device further comprises two zipper vibration discs, the two zipper vibration discs are arranged at one end of the fixed base plate, and the material delivery port of each zipper vibration disc is connected with one end of the horizontal guide rail, which is far away from the first fixed frame.

10. The fully-automatic placement injection molding and encapsulation machine for pull tabs according to claim 2 or 3, wherein the upper surface of the bottom plate is provided with two guide plates extending in the longitudinal direction in parallel and at intervals, and the movable top plate is provided with guide grooves for the guide plates to pass through.