CN218053665U - Positioning injection molding structure of zipper belt in square and plug pin injection molding equipment - Google Patents

Abstract

The utility model discloses a positioning injection molding structure of a zipper strip in square and plug pin injection molding equipment, wherein a rack of the positioning injection molding structure is provided with a zipper strip positioning component and an injection molding mold which are sequentially arranged along the conveying direction of the zipper strip from front to back, the injection molding mold comprises an injection molding upper mold and an injection molding lower mold, the injection molding lower mold is arranged on a mounting base, and two zipper strip grabbing components are arranged between the zipper strip positioning component and the injection molding mold; the injection molding lower die comprises a lower die holder, a lower die core, a front side core-pulling assembly and a rear side core-pulling assembly, and a square forming groove is formed in the upper surface of the lower die core; the front core-pulling assembly comprises a front molding insert and a front driving mechanism, and the rear core-pulling assembly comprises a rear molding insert and a rear driving mechanism; when the injection molding mold is closed and used for injection molding, the front side molding insert and the rear side molding insert respectively extend into the square molding groove. Through the structure design, the utility model has the advantages of novel in design, compact structure, fix a position accurate stable.

Description

Positioning injection molding structure of zipper belt in square and plug pin injection molding equipment

Technical Field

The utility model relates to a zip fastener production and processing equipment technical field especially relates to a location injection structure of zipper strip in square, bolt injection moulding equipment.

Background

For the zipper tape, the zipper tape comprises two chain belts (namely a left chain belt and a right chain belt), the inner side edges of the left chain belt and the right chain belt are respectively provided with chain teeth which are sequentially arranged at intervals, one end part of one chain belt is provided with a plug pin, and one end part of the other chain belt is provided with a square block; when the zipper is closed, the inserted pin is inserted into the corresponding groove of the square block.

In the production and processing process of the zipper tapes, the zipper tape structures are formed by the two chain belts, the two chain belts are provided with the zipper teeth, and the opposite zipper teeth are meshed with each other. In the case of a zipper tape, the zipper tape is composed of zipper units arranged at intervals in sequence, and a zipper tape gap (i.e., a position where no zipper element is mounted) is formed between two adjacent zipper units.

For the pins and blocks made of plastic materials, they are generally formed on the corresponding chain belts by injection molding, and the injection molding of the blocks and pins is generally completed by block and pin injection molding equipment. However, for the existing injection molding equipment for the square blocks and the pins, the defects of unreasonable design and low positioning precision exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a location injection structure of zipper strip in square, bolt injection moulding device to prior art's not enough, this zipper strip location injection moulding structure in square, bolt injection moulding device novel in design, compact structure, fix a position accurate stable.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

A zipper tape is in the square, location injection structure in the bolt injection moulding apparatus, including the stander, the stander has installed the zipper tape locating component that arranges in proper order from the front to the back along zipper tape direction of delivery, the injection moulding mould includes the injection moulding upper die that fastens and installs in the stander, the injection moulding lower die that lies in the injection moulding upper die lower extreme side, the stander has installed the mounting base in the below of the injection moulding lower die, the injection moulding lower die is installed in the mounting base, install about two zipper tape locating component and injection moulding mould between the zipper tape locating component and the injection moulding mould just to and the zipper tape of interval arrangement snatchs the subassembly;

the injection molding lower die comprises a lower die base, a lower die core, a front side core-pulling assembly and a rear side core-pulling assembly, wherein the lower die core is arranged at the upper end part of the lower die base, and a square forming groove with an upward opening is formed in the upper surface of the lower die core; the front core-pulling assembly comprises a front molding insert and a front driving mechanism for driving the front molding insert to move forwards and backwards, and the rear core-pulling assembly comprises a rear molding insert and a rear driving mechanism for driving the rear molding insert to move forwards and backwards; when the injection molding mold is closed and used for injection molding, the front side molding insert and the rear side molding insert respectively extend into the square molding groove.

The front side driving mechanism comprises a front side cylinder seat which is screwed at the front end part of the lower die holder, the front side cylinder seat is screwed with a front side driving cylinder which horizontally moves front and back, the extending end part of a piston rod of the front side driving cylinder is provided with a front side driving rod group, and the front side forming insert is arranged in the front side driving rod group;

the rear driving mechanism comprises a rear cylinder seat which is screwed on the rear end part of the lower die seat, a rear driving cylinder which horizontally moves back and forth is screwed on the rear cylinder seat, a rear driving rod group is arranged at the extending end part of a piston rod of the rear driving cylinder, and the rear forming insert is arranged on the rear driving rod group.

The front side driving rod group comprises a front side driving rod and a front side guide rod horizontally extending along the front-back direction, the front side forming insert is fixedly screwed at the rear end part of the front side guide rod, the front side driving rod is fixedly arranged at the extending end part of a piston rod of the front side driving cylinder, and the front side driving rod is in mortise and tenon connection with the front end part of the front side guide rod; the lower die core is provided with a front side guide hole corresponding to the front side guide rod, and the front side guide rod is embedded in the front side guide hole of the lower die core;

the rear driving rod group comprises a rear driving rod and a rear guide rod horizontally extending along the front-rear direction, the rear forming insert is fixedly screwed at the front end part of the rear guide rod, the rear driving rod is fixedly arranged at the extending end part of the piston rod of the rear driving cylinder, and the rear driving rod is in mortise and tenon connection with the rear end part of the rear guide rod; the lower die core is provided with a back side guide hole corresponding to the back side guide rod, and the back side guide rod is inserted into the back side guide hole of the lower die core.

The zipper belt grabbing assembly comprises a grabbing mounting frame, the grabbing mounting frame comprises a mounting frame bottom plate and a mounting frame top plate which is located on the upper end side of the mounting frame bottom plate and extends linearly along the front-rear direction, a mounting frame vertical plate is arranged between the mounting frame bottom plate and the mounting frame top plate, the upper end part and the lower end part of the mounting frame vertical plate are respectively in threaded connection with the mounting frame bottom plate and the mounting frame top plate on the corresponding side through locking screws, and the mounting frame bottom plate is in threaded connection with the mounting base through the locking screws;

a vertical plate of the mounting frame is screwed with a pushing driving cylinder which horizontally moves front and back, the end part of the extension of a piston rod of the pushing driving cylinder is provided with a pushing movable seat, the pushing movable seat is provided with a movable seat guide hole which completely penetrates through the front and back, and a top plate of the mounting frame is embedded in the movable seat guide hole of the pushing movable seat; the pushing movable seat is provided with a movable seat accommodating cavity positioned below the guide hole of the movable seat, and a pneumatic claw mounting block is movably embedded in the movable seat accommodating cavity left and right relatively and is provided with a zipper belt clamping pneumatic claw; the gas claw installation block is provided with an offset driving piece, the top plate of the installation frame is provided with an offset driving groove with a downward opening corresponding to the offset driving piece, and the offset driving piece is embedded in the offset driving groove.

The mounting frame comprises a mounting frame top plate, a mounting frame vertical plate and a locking screw, wherein the mounting frame top plate is provided with a top plate long circular hole which extends along the front-back direction and completely penetrates up and down, and the locking screw for connecting the mounting frame top plate and the mounting frame vertical plate is embedded into the top plate long circular hole;

the mounting bracket bottom plate is provided with a bottom plate long circular hole which extends along the left-right direction and completely penetrates from top to bottom, and a locking screw for connecting the mounting bracket bottom plate and the mounting base is embedded into the bottom plate long circular hole.

The zipper belt positioning assembly comprises a positioning mounting rack arranged on the mounting base, a zipper belt lower guide block horizontally and transversely arranged is screwed on the positioning mounting rack, a zipper belt upper guide block is screwed on the upper surface of the zipper belt lower guide block, and a zipper belt guide groove which is completely penetrated in the front and back is formed between the zipper belt upper guide block and the zipper belt lower guide block;

a gap sensing mechanism is arranged at the lower end side of the lower guide block of the zipper belt and comprises a sensing movable swing rod, a swing rod hinge seat is screwed on the lower surface of the lower guide block of the zipper belt corresponding to the sensing movable swing rod, and the middle part of the sensing movable swing rod is hinged on the swing rod hinge seat through a pivot; the rear end part of the induction movable swing rod is screwed with a gap induction block which is vertically arranged, the rear end part of the lower guide block of the zipper belt is provided with a lower guide block clearance groove which completely penetrates through the upper part and the lower part and is communicated with the guide groove of the zipper belt, and the upper end part of the gap induction block extends into the lower guide block clearance groove; a swing rod driving spring which pushes the front end part of the induction movable swing rod downwards is arranged between the front end part of the induction movable swing rod and the lower guide block of the zipper belt, and the positioning mounting frame is provided with a position induction sensor for detecting the position of the front end part of the induction movable swing rod;

a zipper belt positioning mechanism is arranged on the upper end side of the upper guide block of the zipper belt and comprises a left side pressing strip and a right side pressing strip which are arranged at a left-right interval, a slider guide groove is formed between the left side pressing strip and the right side pressing strip, and a movable slider is embedded in the slider guide groove; the front end part of the movable sliding block is hinged with a movable swing arm through a pivot, and the movable swing arm is screwed with a zipper belt draw hook; the movable sliding block is provided with a swing arm driving cylinder corresponding to the movable swing arm, and the end part of the piston rod extension of the swing arm driving cylinder is in driving connection with the movable swing arm; the rear end part of the movable sliding block is provided with a stop dog in a threaded manner, and return springs for pushing the stop dog forwards are respectively arranged between the stop dog and the left side pressing strip and between the stop dog and the right side pressing strip.

The automatic water gap drawing mechanism comprises a water gap drawing driving cylinder arranged on the frame, a water gap drawing movable frame is arranged at the extending end part of a piston rod of the water gap drawing driving cylinder, and a water gap drawing air claw is arranged on the water gap drawing movable frame;

the rack is provided with a linear guide rail corresponding to the movable frame of the water drawing opening in a threaded manner, the movable frame of the water drawing opening is provided with a linear sliding block in a threaded manner, and the linear guide rail is matched with the linear sliding block to form a guide pair structure.

The lower die core protrudes out of the upper end of the lower die base, and the lower die core is screwed and fastened at the upper end of the lower die base through a locking screw.

The rack is provided with a lifting driving assembly corresponding to the mounting base, and the lifting driving assembly is in driving connection with the mounting base;

the lifting driving component comprises a lifting driving fixing frame which is screwed on the rack, a lifting driving motor is screwed at the lower end part of the lifting driving fixing frame, and a power output shaft of the lifting driving motor is connected with a lifting driving screw rod which is vertically arranged;

the lifting driving assembly further comprises a lifting driving movable frame, the upper end portion of the lifting driving movable frame is connected with the mounting base, a lifting driving nut is screwed on the lower end portion of the lifting driving movable frame, and the lifting driving screw rod is matched with the lifting driving nut.

The utility model has the advantages that: the utility model relates to a location injection structure of zipper strip in square, bolt injection moulding equipment, which comprises a frame, the frame is equipped with zipper strip locating component, injection moulding mould that arrange in proper order along zipper strip direction of delivery from the front to the back, injection moulding mould is including fastening the injection moulding upper die that installs in the frame, lie in the distolateral injection moulding lower die of injection moulding upper die, the frame has installed the mount pad in the below of injection moulding lower die, injection moulding lower die is installed in the mount pad, install about two between zipper strip locating component and the injection moulding mould just to and the interval arrangement zipper strip snatch the subassembly; the injection molding lower die comprises a lower die base, a lower die core, a front side core-pulling assembly and a rear side core-pulling assembly, wherein the lower die core is arranged at the upper end part of the lower die base, and a square forming groove with an upward opening is formed in the upper surface of the lower die core; the front core-pulling assembly comprises a front molding insert and a front driving mechanism for driving the front molding insert to move forwards and backwards, and the rear core-pulling assembly comprises a rear molding insert and a rear driving mechanism for driving the rear molding insert to move forwards and backwards; when the injection molding mold is closed and used for injection molding, the front side molding insert and the rear side molding insert respectively extend into the square molding groove. Through the structure design, the utility model has the advantages of novel in design, compact structure, fix a position accurate stable.

Drawings

The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.

FIG. 1 is a schematic structural diagram of a block and pin injection molding apparatus.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural view of the injection mold of the present invention.

Fig. 4 is a schematic cross-sectional view of the injection molding lower die of the present invention.

Fig. 5 is an exploded schematic view of the core pulling assembly of the present invention.

Fig. 6 is a schematic structural view of the zipper strip gripping assembly of the present invention.

Fig. 7 is a schematic structural view of another view angle of the zipper strip gripping assembly of the present invention.

Fig. 8 is a schematic cross-sectional view of the fastener tape gripping assembly of the present invention.

Fig. 9 is a schematic structural view of the fastener tape positioning assembly of the present invention.

Fig. 10 is a schematic structural view of another view angle of the zipper tape positioning assembly of the present invention.

Fig. 11 is a schematic structural view of another view angle of the fastener tape positioning assembly of the present invention.

Fig. 12 is a schematic structural view of the automatic nozzle mechanism of the present invention.

Fig. 1 to 12 include:

1-frame 2-zipper belt positioning component

21-positioning mounting rack 221-lower guide block of zipper tape

2211 lower guide block clearance groove 222 zipper strip upper guide block

223-zipper strip guide groove 23-gap induction mechanism

231-induction movable swing rod 232-swing rod hinge base

233-gap induction block 24-zipper tape positioning mechanism

2411 left press strip 2412 right press strip

2413 slide block guide slot 242 movable slide block

243-movable swing arm 244-zipper belt draw hook

245 oscillating arm driving cylinder 246 stop block

3-injection moulding die 31-injection moulding upper die

32-injection moulding lower die 321-lower die holder

322-lower die core 3221-square forming groove

3222 front side guide hole 3223 back side guide hole

323 front side core-pulling component 3231 front side forming insert

3232 front cylinder block 3233 front driving cylinder

3234 front drive rod 3235 front guide rod

324-rear side core-pulling component 3241-rear side forming insert

3242 rear cylinder seat 3243 rear driving cylinder

3244 rear drive rod 3245 rear guide rod

41-mounting base 42-lifting driving component

421-lifting drive fixing frame 422-lifting drive motor

423-lifting driving screw rod 424-lifting driving movable frame

425 lifting drive nut 5 zipper strip gripping Assembly

51-grabbing mount 511-mount floor

5111 bottom plate slotted hole 512 mounting rack top plate

5121 offset drive groove 5122 top plate slotted hole

513 mounting rack vertical plate 52 pushing driving cylinder

53-pushing movable seat 531-movable seat guide hole

532-movable seat accommodating cavity 54-pneumatic claw mounting block

55-zipper tape clamping air claw 56-offset driving piece

6-automatic water gap drawing mechanism 61-water gap drawing driving cylinder

62-slide gate valve movable frame 63-slide gate valve gas claw

64-linear guide 65-linear slide.

Detailed Description

The present invention will be described with reference to specific embodiments.

As shown in fig. 1 and fig. 2, a zipper tape is in the square, location injection structure in bolt injection molding equipment, it includes frame 1, zipper tape locating component 2 that arranges along zipper tape direction of delivery from the front to back in proper order has been installed to frame 1, injection molding mold 3 is including fastening installation in the injection molding of frame 1 last mould 31, be located injection molding last mould 31 lower extreme side injection molding lower mould 32, frame 1 has installed mounting base 41 in injection molding lower mould 32's below, injection molding lower mould 32 is installed in mounting base 41, zipper tape locating component 2 and injection molding mold 3 between install about two just and the interval arrangement zipper tape snatch subassembly 5.

Further, as shown in fig. 3 and 4, the injection molding lower die 32 includes a lower die holder 321, a lower die core 322, a front side core-pulling assembly 323, and a rear side core-pulling assembly 324, the lower die core 322 is installed at the upper end of the lower die holder 321, and a square molding groove 3221 with an upward opening is formed on the upper surface of the lower die core 322; the front core-pulling assembly 323 comprises a front forming insert 3231 and a front driving mechanism for driving the front forming insert 3231 to move forward and backward, and the rear core-pulling assembly 324 comprises a rear forming insert 3241 and a rear driving mechanism for driving the rear forming insert 3241 to move forward and backward; when the injection mold 3 is closed for injection molding, the front molding insert 3231 and the rear molding insert 3241 respectively extend into the square molding groove 3221.

Specifically, as shown in fig. 3 to 5, the front driving mechanism includes a front cylinder block 3232 screwed to the front end of the lower die holder 321, a front driving cylinder 3233 screwed to the front cylinder block 3232 and horizontally moving forward and backward, a front driving rod 3234 group attached to the outer end of a piston rod of the front driving cylinder 3233, and a front forming insert 3231 attached to the front driving rod 3234 group. Similarly, the rear driving mechanism includes a rear cylinder block 3242 screwed to the rear end of the lower die holder 321, a rear driving cylinder 3243 screwed to the rear cylinder block 3242 and horizontally moving forward and backward, a rear driving rod 3244 set provided at the extended end of the piston rod of the rear driving cylinder 3243, and a rear forming insert 3241 provided in the rear driving rod 3244 set.

Additionally, the utility model discloses a mounting base 41 can carry out the activity of going up and down, specific relative frame 1: as shown in fig. 1 and fig. 2, the frame 1 is provided with a lifting driving assembly 42 corresponding to the mounting base 41, and the lifting driving assembly 42 is in driving connection with the mounting base 41; the lifting driving component 42 comprises a lifting driving fixing frame 421 screwed on the frame 1, a lifting driving motor 422 is screwed on the lower end part of the lifting driving fixing frame 421, and a power output shaft of the lifting driving motor 422 is connected with a lifting driving screw rod 423 which is vertically arranged; the lifting driving assembly 42 further comprises a lifting driving movable frame 424, the upper end of the lifting driving movable frame 424 is connected with the mounting base 41, a lifting driving nut 425 is screwed on the lower end of the lifting driving movable frame 424, and a lifting driving screw 423 is matched with the lifting driving nut 425. In the process of driving the mounting base 41 to move up and down by the lifting driving assembly 42, the lifting driving motor 422 drives the lifting driving movable frame 424 to move up and down through a screw rod transmission mechanism composed of the lifting driving screw 423 and the lifting driving nut 425, and the lifting driving movable frame 424 moving up and down drives the mounting base 41 to move up and down synchronously. Of course, the structural design of the lifting driving assembly 42 does not limit the present invention, that is, the mounting base 41 of the present invention can also be driven by other lifting driving manners.

In the process of realizing the injection molding of the square blocks and the insertion pins of the zipper tapes, the zipper tape discharger continuously discharges the zipper tapes, the zipper tapes discharged by the zipper tape discharger move from front to back under the traction action of the zipper tape traction device, and the zipper tapes sequentially pass through the zipper tape positioning assembly 2 and the injection molding mold 3. In the process of injection molding of the square block and the inserted pin, the zipper belt positioning component 2 firstly positions the zipper belt; after the zipper tapes are positioned by the zipper tape positioning assembly 2, the zipper tape grabbing assembly 5 on the left side grabs the zipper tapes on the left side, the zipper tape grabbing assembly 5 on the right side grabs the zipper tapes on the right side, and the two zipper tape grabbing assemblies 5 synchronously move and transfer the zipper tapes to the position of the injection molding mold 3; after the zipper tape grabbing assembly 5 grabs and transfers the zipper tapes in place, the lifting driving assembly 42 drives the mounting base 41 and the injection molding lower die 32 to move upwards and close the injection molding die 3, in the process, the front side driving mechanism drives the front side molding insert 3231 to move backwards, and the rear side driving mechanism drives the rear side molding insert 3241 to move forwards, so that the front side molding insert 3231 and the rear side molding insert 3241 respectively extend into the square molding groove 3221; after the injection molding is finished, the injection molding mold 3 performs a mold opening operation, the lifting drive assembly 42 drives the mounting base 41 and the injection molding lower mold 32 to move downwards, and the zipper tapes move under the traction action of the zipper tape traction device and repeat the above operation.

It should be noted that, for the injection molding lower die 32 of the present invention, the front core-pulling assembly 323 and the rear core-pulling assembly 324 respectively adopt a front-and-back core-pulling manner, that is, the front driving mechanism of the front core-pulling assembly 323 drives the front molding insert 3231 to move back and forth, and the rear driving mechanism of the rear core-pulling assembly 324 drives the rear core-pulling insert to move back and forth; for the injection molding mold 3, in the process of injection molding the square blocks and the pins of the zipper tapes, the square block forming grooves 3221 and the pin forming grooves of the lower injection molding mold 32 are arranged at left and right intervals, and the distance between the square block forming grooves 3221 and the pin forming grooves can be effectively reduced by adopting a front and rear core pulling structure, so that the whole injection molding mold 3 is more compact.

It should be further noted that, preferably, the lower mold core 322 protrudes out of the upper end portion of the lower mold base 321, and the lower mold core 322 is screwed and fastened to the upper end portion of the lower mold base 321 through a locking screw. The utility model discloses a lower mould mold core 322 adopts above-mentioned spiro union dismantled and assembled mounting means, promptly the utility model discloses can change different lower mould mold core 322 according to different squares, pull down size specification, with the reinforcing the utility model discloses an applicability.

Synthesize the above-mentioned condition and know, through above-mentioned structural design, the utility model has the advantages of novel in design, compact structure, fix a position accurate stable.

As a preferred embodiment, as shown in fig. 3 to 5, the front driving rod 3234 set includes a front driving rod 3234 and a front guiding rod 3235 horizontally extending along the front-back direction, the front forming insert 3231 is screwed and fastened to the rear end portion of the front guiding rod 3235, the front driving rod 3234 is fastened and mounted to the piston rod extension end portion of the front driving cylinder 3233, and the front driving rod 3234 is mortise-tenon connected to the front end portion of the front guiding rod 3235; the lower mold core 322 is provided with a front guide hole 3222 corresponding to the front guide rod 3235, and the front guide rod 3235 is inserted into the front guide hole 3222 of the lower mold core 322.

Similarly, as shown in fig. 3 to 5, the rear driving rod 3244 set includes a rear driving rod 3244 and a rear guiding rod 3245 horizontally extending along the front-rear direction, the rear forming insert 3241 is screwed and fastened to the front end of the rear guiding rod 3245, the rear driving rod 3244 is fastened and mounted to the piston rod extension end of the rear driving cylinder 3243, and the rear driving rod 3244 is mortise-tenon connected with the rear end of the rear guiding rod 3245; a back side guide hole 3223 is formed in the lower die core 322 corresponding to the back side guide rod 3245, and the back side guide rod 3245 is inserted into the back side guide hole 3223 of the lower die core 322.

During the process that the front driving cylinder 3233 drives the front forming insert 3231 to move back and forth through the front driving rod 3234 set, the front guide rod 3235 is matched with the front guide hole 3222 of the lower die core 322 and realizes the back and forth movement guiding of the front forming insert 3231. For the mortise and tenon connection mode of the front end part of the front side driving rod 3234 and the front side guide rod 3235, the installation is convenient and fast. Similarly, during the process that the rear driving cylinder 3243 drives the rear forming insert 3241 to move back and forth through the rear driving rod 3244 set, the rear guiding rod 3245 is matched with the rear guiding hole 3223 of the lower die core 322 and realizes the back and forth movement guiding of the rear forming insert 3241. For the mortise and tenon connection mode of the rear end part of the rear driving rod 3244 and the rear guide rod 3245, the installation is convenient and fast.

As a preferred embodiment, as shown in fig. 6 to 8, the fastener tape gripping assembly 5 includes a gripping mounting frame 51, the gripping mounting frame 51 includes a mounting frame bottom plate 511 and a mounting frame top plate 512 located at an upper end side of the mounting frame bottom plate 511 and extending linearly along a front-rear direction, a mounting frame riser 513 is installed between the mounting frame bottom plate 511 and the mounting frame top plate 512, an upper end portion and a lower end portion of the mounting frame riser 513 are respectively screwed with the mounting frame bottom plate 511 and the mounting frame top plate 512 of the corresponding side through locking screws, and the mounting frame bottom plate 511 is screwed with the mounting base 41 through the locking screws.

Wherein, the mounting rack vertical plate 513 is screwed with a pushing driving cylinder 52 which horizontally moves back and forth, the extending end part of the piston rod of the pushing driving cylinder 52 is provided with a pushing movable seat 53, the pushing movable seat 53 is provided with a movable seat guide hole 531 which completely penetrates through the front and back, and the mounting rack top plate 512 is embedded in the movable seat guide hole 531 of the pushing movable seat 53; the pushing movable seat 53 is provided with a movable seat accommodating cavity 532 positioned below the movable seat guide hole 531, an air claw mounting block 54 is movably embedded in the movable seat accommodating cavity 532 leftwards and rightwards relatively, and the air claw mounting block 54 is provided with a zipper tape clamping air claw 55; the air gripper mounting block 54 is provided with an offset driving member 56, the mounting frame top plate 512 is provided with an offset driving groove 5121 which is opened downwards corresponding to the offset driving member 56, and the offset driving member 56 is inserted into the offset driving groove 5121.

In the process that the zipper tape grabbing assembly 5 realizes the grabbing and transferring of the zipper tapes, the zipper tape clamping air claw 55 clamps the zipper tapes on the corresponding side; after waiting that fastener strip centre gripping gas claw 55 centre gripping chain belt of corresponding side, the propelling movement drives actuating cylinder 52 action and the propelling movement drives actuating cylinder 52 and pushes away propelling movement sliding seat 53 and move towards injection moulding mould 3 side, because the skew driving piece 56 of gas claw installation piece 54 inserts in the skew driving groove 5121 of mounting bracket roof 512, when propelling movement sliding seat 53 is driven actuating cylinder 52 drive and moves towards injection moulding mould 3 side by the propelling movement, skew driving groove 5121 can guide skew driving piece 56 and squint inwards, skew driving piece 56 that squints inwards drives the relative propelling movement sliding seat 53 of gas claw mounting bracket and moves inwards, and then make fastener strip centre gripping gas claw 55 and by the chain belt of centre gripping squint inwards.

Further, a top plate slotted hole 5122 which extends along the front-back direction and completely penetrates up and down is formed in the top plate 512 of the mounting frame, and a locking screw for connecting the top plate 512 of the mounting frame and the vertical plate 513 of the mounting frame is embedded into the top plate slotted hole 5122; the mounting frame bottom plate 511 is provided with a bottom plate slotted hole 5111 which extends along the left-right direction and completely penetrates up and down, and a locking screw for connecting the mounting frame bottom plate 511 and the mounting base 41 is embedded into the bottom plate slotted hole 5111.

The utility model discloses in the course of the work, the utility model discloses can match with corresponding locking screw through roof slotted hole 5122 and adjust the front and back position of mounting bracket roof 512, also can match with corresponding locking screw through bottom plate slotted hole 5111 and adjust the whole position of controlling that snatchs mounting bracket 51, promptly the utility model discloses can realize around the fastener strip centre gripping gas claw 55, control position control to accurate location when making the fastener strip mould plastics square, bolt.

As a preferred embodiment, as shown in fig. 9 to 11, the fastener tape positioning unit 2 includes a positioning mounting frame 21 mounted on the mounting base 41, a lower fastener tape guide block 221 horizontally and transversely disposed is screwed to the positioning mounting frame 21, an upper fastener tape guide block 222 is screwed to an upper surface of the lower fastener tape guide block 221, and a fastener tape guide groove 223 completely penetrating in the front-rear direction is formed between the upper fastener tape guide block 222 and the lower fastener tape guide block 221.

Wherein, the lower end side of the zipper lower guide block 221 is provided with a gap sensing mechanism 23, the gap sensing mechanism 23 comprises a sensing movable swing rod 231, the lower surface of the zipper lower guide block 221 is provided with a swing rod hinge seat 232 corresponding to the sensing movable swing rod 231 in a threaded manner, and the middle part of the sensing movable swing rod 231 is hinged to the swing rod hinge seat 232 through a pivot; the rear end part of the induction movable swing rod 231 is screwed with a gap induction block 233 which is vertically arranged, the rear end part of the lower guide block 221 of the zipper belt is provided with a lower guide block clearance groove 2211 which completely penetrates through the upper part and the lower part and is communicated with the zipper belt guide groove 223, and the upper end part of the gap induction block 233 extends into the lower guide block clearance groove 2211; a swing link driving spring for pushing the front end portion of the sensing movable swing link 231 downward is installed between the front end portion of the sensing movable swing link 231 and the lower zipper tape guide block 221, and a position sensing sensor for detecting the position of the front end portion of the sensing movable swing link 231 is installed on the positioning mounting bracket 21.

In addition, a zipper tape positioning mechanism 24 is arranged on the upper end side of the zipper tape upper guide block 222, the zipper tape positioning mechanism 24 comprises a left pressing strip 2411 and a right pressing strip 2412 which are arranged at left and right intervals, a slider guide groove 2413 is formed between the left pressing strip 2411 and the right pressing strip 2412, and a movable slider 242 is embedded in the slider guide groove 2413; the front end part of the movable sliding block 242 is hinged with a movable swing arm 243 through a pivot, and the movable swing arm 243 is screwed with a zipper tape draw hook 244; the movable sliding block 242 is provided with a swing arm driving cylinder 245 corresponding to the movable swing arm 243, and the extending end of the piston rod of the swing arm driving cylinder 245 is in driving connection with the movable swing arm 243; a stop block 246 is screwed at the rear end of the movable sliding block 242, and return springs for pushing the stop block 246 forward are respectively arranged between the stop block 246 and the left pressing bar 2411 and between the stop block 246 and the right pressing bar 2412.

The utility model discloses an in-process that zipper strip locating component 2 realized the zipper strip location, the zipper strip passes zipper strip guide way 223 between zipper strip upper guide block 222 and the zipper strip lower guide block 221 from the front to back, because pendulum rod drive spring keeps pushing away the preceding tip of response activity pendulum rod 231 downwards, in the in-process that zipper strip traction component drive zipper strip moved from the front to the back, the back tip of response activity pendulum rod 231 upwarps and clearance response piece 233 keeps contacting with the zipper strip, when the clearance position of zipper strip moved to clearance response piece 233 position, the clearance position of zipper strip produced to keep away the sky to clearance response piece 233, clearance response piece 233 inserted in the clearance of zipper strip and the back tip of response activity pendulum rod 231 further upwarps this moment, in this process, the preceding tip of pendulum rod drive spring drive response activity pendulum rod 231 swings downwards, position inductive transducer senses the position change of the preceding tip of response activity pendulum rod 231, namely position inductive transducer feeds back the signal to the controller, controller control swing arm drive cylinder action, swing arm drive cylinder drives the preceding tip of zipper strip through activity pendulum arm 244 and swings downwards, and make zipper strip contact drag hook 244; the gap induction block 233 can be separated from the gap of the zipper tape as the zipper tape traction device pulls the zipper tape to move continuously, and when the gap position of the zipper tape moves to the position of the zipper tape draw hook 244, the zipper tape draw hook 244 is inserted into the gap of the zipper tape; along with zipper strip draw gear draws the zipper strip and continues to move, the zipper strip can be drawing zipper strip drag hook 244, activity swing arm 243, movable slider 242 synchronous movement, when dog 246 touched corresponding travel switch or was close corresponding displacement sensor, the action was stopped to controller control zipper strip draw gear, and then realized the zipper strip location.

Accomplish the zipper strip location and the zipper strip by the zipper strip snatchs subassembly 5 and snatch the back of moving away when zipper strip locating component 2, controller control swing arm actuating cylinder 245 moves and makes zipper strip drag hook 244 swing up, and zipper strip drag hook 244 can break away from the zipper strip this moment, because the zipper strip is eliminated to the effect of dragging of zipper strip drag hook 244, reset spring drive dog 246 moves forward to make the horizontal reset of movable slider 242 to initial position.

As shown in fig. 1 and 12, in a preferred embodiment, the automatic nozzle mechanism 6 is mounted on the frame 1, the automatic nozzle mechanism 6 includes a nozzle driving cylinder 61 mounted on the frame 1, a nozzle movable frame 62 is mounted on an extended end of a piston rod of the nozzle driving cylinder 61, and a nozzle gas claw 63 is mounted on the nozzle movable frame 62.

Wherein, for guaranteeing to draw the mouth of a river adjustable shelf 62 to steadily remove reliably, the utility model discloses a following guide structure design, it is specific: the rack 1 is provided with a linear guide rail 64 corresponding to the water drawing opening movable frame 62 in a threaded manner, the water drawing opening movable frame 62 is provided with a linear slide block 65 in a threaded manner, and the linear guide rail 64 is matched with the linear slide block 65 to form a guide pair structure.

After the injection molding mold 3 finishes the mold opening action, the zipper strip traction device pulls the zipper strip to move backwards, in the process, the nozzle material generated in the injection molding process is reserved on the zipper strip and moves backwards along with the zipper strip synchronously, when the nozzle material moves to the position of the automatic nozzle pulling mechanism 6, the nozzle drives the cylinder 61 to move and enables the nozzle air claw 63 to move to the position of the nozzle material, then the nozzle air claw 63 clamps the nozzle material, and finally the nozzle drives the cylinder 61 to reset and enables the nozzle air claw 63 to pull out the nozzle material from the zipper strip, so that the nozzle action is finished.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (9)

1. The utility model provides a location injection structure of zipper strip in square, bolt injection moulding equipment which characterized in that: the zipper tape grabbing mechanism comprises a rack (1), zipper tape positioning assemblies (2) and an injection molding mold (3), wherein the zipper tape positioning assemblies (2) and the injection molding mold (3) are sequentially arranged along the conveying direction of zipper tapes from front to back, the injection molding mold (3) comprises an injection molding upper die (31) fixedly installed on the rack (1) and an injection molding lower die (32) located on the lower end side of the injection molding upper die (31), a mounting base (41) is installed below the injection molding lower die (32) on the rack (1), the injection molding lower die (32) is installed on the mounting base (41), and two zipper tape grabbing assemblies (5) which are right left and right and arranged at intervals are installed between the zipper tape positioning assemblies (2) and the injection molding mold (3);

the injection molding lower die (32) comprises a lower die holder (321), a lower die core (322), a front side core pulling assembly (323) and a rear side core pulling assembly (324), wherein the lower die core (322) is arranged at the upper end part of the lower die holder (321), and a square forming groove (3221) with an upward opening is formed in the upper surface of the lower die core (322); the front core-pulling assembly (323) comprises a front forming insert (3231) and a front driving mechanism for driving the front forming insert (3231) to move forwards and backwards, and the rear core-pulling assembly (324) comprises a rear forming insert (3241) and a rear driving mechanism for driving the rear forming insert (3241) to move forwards and backwards; when the injection molding mold (3) is used for mold closing and injection molding, the front side molding insert (3231) and the rear side molding insert (3241) respectively extend into the square molding groove (3221).

2. The positioning injection molding structure of a zipper tape in a block and insert pin injection molding machine as claimed in claim 1, wherein: the front side driving mechanism comprises a front side cylinder seat (3232) which is screwed at the front end part of the lower die holder (321), the front side cylinder seat (3232) is screwed with a front side driving cylinder (3233) which horizontally moves front and back, the extending end part of a piston rod of the front side driving cylinder (3233) is provided with a front side driving rod (3234) group, and the front side forming insert (3231) is arranged on the front side driving rod (3234) group;

the rear side driving mechanism comprises a rear side cylinder seat (3242) which is screwed on the rear end part of the lower die seat (321), a rear side driving cylinder (3243) which horizontally moves front and back is screwed on the rear side cylinder seat (3242), a rear side driving rod (3244) group is arranged on the extending end part of a piston rod of the rear side driving cylinder (3243), and the rear side forming insert (3241) is arranged on the rear side driving rod (3244) group.

3. The positioning injection molding structure of a zipper tape in a block and pin injection molding machine as claimed in claim 2, wherein: the front side driving rod (3234) group comprises a front side driving rod (3234) and a front side guide rod (3235) horizontally extending along the front-back direction, the front side forming insert (3231) is fixedly screwed at the rear end part of the front side guide rod (3235), the front side driving rod (3234) is fixedly mounted at the extending end part of a piston rod of the front side driving cylinder (3233), and the front end part of the front side driving rod (3234) is in mortise and tenon connection with the front end part of the front side guide rod (3235); the lower die core (322) is provided with a front side guide hole (3222) corresponding to the front side guide rod (3235), and the front side guide rod (3235) is embedded in the front side guide hole (3222) of the lower die core (322);

the rear side driving rod (3244) group comprises a rear side driving rod (3244) and a rear side guide rod (3245) horizontally extending along the front-rear direction, the rear side forming insert (3241) is fixedly screwed at the front end part of the rear side guide rod (3245), the rear side driving rod (3244) is fixedly mounted at the extending end part of a piston rod of the rear side driving cylinder (3243), and the rear end part of the rear side driving rod (3244) and the rear end part of the rear side guide rod (3245) are in mortise and tenon connection; the lower die core (322) is provided with a back side guide hole (3223) corresponding to the back side guide rod (3245), and the back side guide rod (3245) is embedded in the back side guide hole (3223) of the lower die core (322).

4. The positioning injection molding structure of a zipper tape in a block and insert pin injection molding machine as claimed in claim 1, wherein: the zipper belt grabbing component (5) comprises a grabbing mounting frame (51), the grabbing mounting frame (51) comprises a mounting frame bottom plate (511) and a mounting frame top plate (512) which is located on the upper end side of the mounting frame bottom plate (511) and extends linearly along the front-back direction, a mounting frame vertical plate (513) is arranged between the mounting frame bottom plate (511) and the mounting frame top plate (512), the upper end part and the lower end part of the mounting frame vertical plate (513) are respectively in threaded connection with the mounting frame bottom plate (511) and the mounting frame top plate (512) on the corresponding sides through locking screws, and the mounting frame bottom plate (511) is in threaded connection with the mounting base (41) through the locking screws;

a vertical plate (513) of the mounting frame is provided with a pushing driving cylinder (52) which horizontally moves forwards and backwards in a threaded manner, the extending end part of a piston rod of the pushing driving cylinder (52) is provided with a pushing movable seat (53), the pushing movable seat (53) is provided with a movable seat guide hole (531) which completely penetrates forwards and backwards, and a top plate (512) of the mounting frame is embedded in the movable seat guide hole (531) of the pushing movable seat (53); a movable seat accommodating cavity (532) positioned below the movable seat guide hole (531) is formed in the pushing movable seat (53), an air claw mounting block (54) is movably embedded in the movable seat accommodating cavity (532) left and right relatively, and the air claw mounting block (54) is provided with a zipper tape clamping air claw (55); the pneumatic claw installation block (54) is provided with an offset driving piece (56), the mounting frame top plate (512) is provided with an offset driving groove (5121) with a downward opening corresponding to the offset driving piece (56), and the offset driving piece (56) is inserted in the offset driving groove (5121).

5. The positioning injection molding structure of a zipper tape in a block and pin injection molding machine as claimed in claim 4, wherein: the mounting rack top plate (512) is provided with top plate long round holes (5122) which extend along the front-back direction and completely penetrate up and down, and locking screws for connecting the mounting rack top plate (512) and the mounting rack vertical plate (513) are embedded into the top plate long round holes (5122);

the mounting frame bottom plate (511) is provided with a bottom plate long round hole (5111) which extends along the left-right direction and completely penetrates up and down, and a locking screw for connecting the mounting frame bottom plate (511) with the mounting base (41) is embedded into the bottom plate long round hole (5111).

6. The positioning injection molding structure of a zipper tape in a block and pin injection molding machine as claimed in claim 1, wherein: the zipper tape positioning assembly (2) comprises a positioning mounting frame (21) arranged on the mounting base (41), a zipper tape lower guide block (221) horizontally and transversely arranged is mounted on the positioning mounting frame (21) in a threaded manner, a zipper tape upper guide block (222) is mounted on the upper surface of the zipper tape lower guide block (221) in a threaded manner, and a zipper tape guide groove (223) which completely penetrates in the front and back direction is formed between the zipper tape upper guide block (222) and the zipper tape lower guide block (221);

a gap sensing mechanism (23) is arranged on the lower end side of the lower zipper tape guide block (221), the gap sensing mechanism (23) comprises a sensing movable swing rod (231), a swing rod hinge seat (232) is screwed on the lower surface of the lower zipper tape guide block (221) corresponding to the sensing movable swing rod (231), and the middle part of the sensing movable swing rod (231) is hinged on the swing rod hinge seat (232) through a pivot; a gap induction block (233) which is vertically arranged is screwed at the rear end part of the induction movable swing rod (231), a lower guide block clearance groove (2211) which completely penetrates through the upper part and the lower part and is communicated with the zipper belt guide groove (223) is formed in the rear end part of the zipper belt lower guide block (221), and the upper end part of the gap induction block (233) extends into the lower guide block clearance groove (2211); a swing rod driving spring which pushes the front end part of the sensing movable swing rod (231) downwards is arranged between the front end part of the sensing movable swing rod (231) and the lower guide block (221) of the zipper tape, and the positioning mounting frame (21) is provided with a position sensing sensor for detecting the position of the front end part of the sensing movable swing rod (231);

a zipper tape positioning mechanism (24) is arranged on the upper end side of the zipper tape upper guide block (222), the zipper tape positioning mechanism (24) comprises a left side pressing strip (2411) and a right side pressing strip (2412) which are arranged at a left-right interval, a slider guide groove (2413) is formed between the left side pressing strip (2411) and the right side pressing strip (2412), and a movable slider (242) is embedded in the slider guide groove (2413); the front end part of the movable sliding block (242) is hinged with a movable swing arm (243) through a pivot, and the movable swing arm (243) is screwed with a zipper tape draw hook (244); the movable sliding block (242) is provided with a swing arm driving cylinder (245) corresponding to the movable swing arm (243), and the extending end part of the piston rod of the swing arm driving cylinder (245) is in driving connection with the movable swing arm (243); a stop block (246) is screwed at the rear end part of the movable sliding block (242), and return springs for pushing the stop block (246) forwards are respectively arranged between the stop block (246) and the left pressing strip (2411) and between the stop block (246) and the right pressing strip (2412).

7. The positioning injection molding structure of a zipper tape in a block and insert pin injection molding machine as claimed in claim 1, wherein: the automatic water gap drawing mechanism (6) is arranged on the rack (1), the automatic water gap drawing mechanism (6) comprises a water gap drawing driving cylinder (61) arranged on the rack (1), a water gap drawing movable frame (62) is arranged at the extending end part of a piston rod of the water gap drawing driving cylinder (61), and a water gap drawing air claw (63) is arranged on the water gap drawing movable frame (62);

the rack (1) is provided with a linear guide rail (64) corresponding to the water drawing opening movable frame (62), the water drawing opening movable frame (62) is provided with a linear sliding block (65), and the linear guide rail (64) is matched with the linear sliding block (65) to form a guide pair structure.

8. The positioning injection molding structure of a zipper tape in a block and insert pin injection molding machine as claimed in claim 1, wherein: the lower die core (322) protrudes out of the upper end part of the lower die holder (321), and the lower die core (322) is screwed and fastened at the upper end part of the lower die holder (321) through a locking screw.

9. A positioning injection molding structure of a fastener tape in a block and insert pin injection molding machine according to any one of claims 1 to 8, wherein: the rack (1) is provided with a lifting driving assembly (42) corresponding to the mounting base (41), and the lifting driving assembly (42) is in driving connection with the mounting base (41);

the lifting driving assembly (42) comprises a lifting driving fixing frame (421) which is screwed on the rack (1), a lifting driving motor (422) is screwed on the lower end part of the lifting driving fixing frame (421), and a power output shaft of the lifting driving motor (422) is connected with a lifting driving screw rod (423) which is vertically arranged;

the lifting driving assembly (42) further comprises a lifting driving movable frame (424), the upper end part of the lifting driving movable frame (424) is connected with the mounting base (41), a lifting driving nut (425) is screwed on the lower end part of the lifting driving movable frame (424), and a lifting driving screw rod (423) is matched with the lifting driving nut (425).

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