CN211807587U

CN211807587U - Injection mold of plastic bottle cap

Info

Publication number: CN211807587U
Application number: CN201922421321.XU
Authority: CN
Inventors: 徐丽君
Original assignee: Lianyungang Hairun Packing Co ltd
Current assignee: Lianyungang Hairun Packing Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-10-30
Anticipated expiration: 2029-12-29

Abstract

The utility model relates to a plastics bottle lid processing technology field just discloses an injection mold of plastics bottle lid, including inside be provided with base, the fixed connection of the pipe of moulding plastics at the dead lever of base one side, fixed mounting cup joint cover half seat and the activity of the dead lever on base one side and activity and cup joint movable die base and fixing base on the dead lever. This injection mold of plastics bottle lid, through first carriage release lever, the second carriage release lever, first spacing, the cooperation of spacing and the cushion of second is used, make injection mold when drawing of patterns to the plastics bottle lid of loosing core, drive through the second cylinder makes first spacing and the spacing of second step up the plastics bottle lid through the cushion and steps up spacingly, utilize the stopper to make the stopper drive to loose core can remove in the inside of movable mould seat when rotating simultaneously, take off the plastics bottle lid of suit on loosing core between the cushion, realize the automation of plastics bottle lid and draw of patterns.

Description

Injection mold of plastic bottle cap

Technical Field

The utility model relates to a plastics bottle lid processing technology field specifically is an injection mold of plastics bottle lid.

Background

The existing injection mold for partially producing the plastic bottle caps is used for demoulding the bottle caps, and the bottle caps are difficult to automatically fall off from the loose cores because the inner side surfaces of the bottle caps are in threaded sleeve connection with the loose cores, and the loose cores are easy to deviate in a cavity, so that the produced plastic bottle caps are not uniform enough in thickness.

SUMMERY OF THE UTILITY MODEL

Not enough to the background art, the utility model provides an injection mold of plastics bottle lid has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: an injection mold of a plastic bottle cap comprises a base, a fixed rod, a fixed mold seat, a movable mold seat and a fixed seat, wherein the base is internally provided with an injection molding pipe, the fixed rod is fixedly connected to one side of the base, the fixed mold seat is fixedly arranged on one side of the base and movably sleeved on the fixed rod, the movable mold seat and the fixed seat are movably sleeved on the fixed rod, one end of the fixed rod, which extends out of the fixed seat, is fixedly connected with the fixed plate, a first air cylinder is fixedly arranged in the fixed plate, one end of the first air cylinder is fixedly connected with one side of the fixed seat, the base is internally provided with a plurality of uniformly distributed cavities, internal threads of the movable mold seat are sleeved with loose cores which are positioned in the cavities and are distributed in a one-to-one correspondence manner between the internal threads of, and the outer side of the movable die holder is fixedly connected with a demoulding mechanism.

Preferably, drive mechanism is including rotating the transmission shaft of connection in the fixing base inside, one side of transmission shaft is provided with the stopper of one end joint in the inside of loosing core, the fixed cover of the outside one end of fixing base is extended to the transmission shaft and is equipped with first gear, loose core and be located the one end setting of movable mould seat near the transmission shaft and carry out the spacing boss that the activity cup jointed with the inside of base.

Preferably, demoulding mechanism includes second cylinder, first support and the second support of fixed mounting on the fixing base and rotates the pivot of connection inside the fixing base, first carriage release lever and second carriage release lever have been cup jointed in the activity between first support and the second support, the first spacing of one side fixedly connected with of first carriage release lever, one side fixedly connected with of second carriage release lever is located the second spacing in the first carriage release lever outside, the pivot extends out and moves the outside equal fixed cover in both ends of die holder and is equipped with outer along the second gear respectively with first spacing and second spacing intermeshing.

Preferably, elastic pads are arranged on the first limiting frame and one side, close to the core pulling, of the second limiting frame.

Preferably, one side of the fixed die holder close to the movable die holder is provided with an avoiding groove.

Preferably, actuating mechanism includes the servo motor of fixed mounting in the fixing base bottom and fixes the epaxial first band pulley of dress at the transmission, servo motor's output shaft fixed cover is equipped with the second band pulley, servo motor carries out the transmission through the suit between the belt and the transmission shaft on first band pulley and second band pulley and is connected.

The utility model discloses possess following beneficial effect:

1. this injection mold of plastics bottle lid, through first carriage release lever, the second carriage release lever, first spacing, the cooperation of spacing and the cushion of second is used, make injection mold when drawing of patterns to the plastics bottle lid of loosing core, drive through the second cylinder makes first spacing and the spacing of second step up the plastics bottle lid through the cushion and steps up spacingly, utilize the stopper to make the stopper drive to loose core can remove in the inside of movable mould seat when rotating simultaneously, take off the plastics bottle lid of suit on loosing core between the cushion, realize the automation of plastics bottle lid and draw of patterns.

2. This injection mold of plastics bottle lid sets up spacing boss through the one end of loosing core and makes to loose core and can carry out steady rotation and removal in the inside of movable mould seat, conveniently demold, and the axis of loosing core and die cavity can the collineation when moulding plastics simultaneously, and plastics evenly distributed is in the outside of loosing core, and the plastics bottle lid thickness that prevents to produce is even inadequately.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top schematic view of the structure of the present invention;

fig. 3 is a schematic side view of the demolding mechanism of the present invention;

fig. 4 is a schematic view of the driving mechanism of the present invention.

In the figure: 1. a base; 2. fixing the rod; 3. fixing a die holder; 4. a movable die holder; 5. a fixed seat; 6. a fixing plate; 7. a first cylinder; 8. a cavity; 9. core pulling; 10. a transmission mechanism; 101. a drive shaft; 102. A limiting block; 103. a first gear; 11. a drive mechanism; 111. a servo motor; 112. a first pulley; 113. a second pulley; 114. a belt; 12. a demolding mechanism; 121. a second cylinder; 122. a first support; 123. a second support; 124. a rotating shaft; 125. a first movable bar; 126. a second movable bar; 127. a first limit bracket; 128. a second limiting frame; 129. a second gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The embodiment of the utility model provides an in the attached drawing: the different types of cross-sectional lines in the figures are not labeled according to the national standards, do not require the material of the components, and distinguish the cross-sectional views of the components in the figures.

Referring to fig. 1-4, an injection mold for plastic bottle caps comprises a base 1 with an injection tube inside, a fixed rod 2 fixedly connected to one side of the base 1, a fixed mold base 3 fixedly installed at one side of the base 1 and movably sleeved on the fixed rod 2, a movable mold base 4 and a fixed seat 5 movably sleeved on the fixed rod 2, a fixed plate 6 fixedly connected to one end of the fixed rod 2 extending out of the fixed seat 5, a first cylinder 7 fixedly connected to one side of the fixed seat 5 and fixedly installed inside the fixed plate 6, a plurality of uniformly distributed cavities 8 arranged inside the base 1 near the fixed mold base 3, loose cores 9 positioned inside the cavities 8 and distributed in one-to-one correspondence with the cavities 8 by internal threads of the movable mold base 4, a transmission mechanism 10 with one end sleeved inside the loose cores 9 and rotatably connected to the inside of the fixed seat 5 far away from the movable mold base 4, the bottom of the fixed seat 5 is fixedly provided with a driving mechanism 11, and the outer side of the movable mold seat 4 is fixedly connected with a demolding mechanism 12.

Wherein, drive mechanism 10 is including rotating the transmission shaft 101 of connecting in fixing base 5 inside, one side of transmission shaft 101 is provided with one end joint and is loosing core the stopper 102 of 9 insides, transmission shaft 101 extends the fixed cover of the outside one end of fixing base 5 and is equipped with first gear 103, it carries out the spacing boss that the activity cup jointed to loose core 9 to be located the one end setting that movable die holder 4 is close to transmission shaft 101 and base 1's inside, through transmission shaft 101, stopper 102 and first gear 103's cooperation is used, make injection mold can not influence the removal of loosing core 9 when loosing core 9 through the rotation drive of stopper 102, the convenience is with loosing core 9 and is twisted out from the inside automation of plastics bottle lid.

The demolding mechanism 12 includes a second cylinder 121 fixedly mounted on the fixing base 5, a first support 122, a second support 123 and a rotating shaft 124 rotatably connected to the inside of the fixing base 5, a first moving rod 125 and a second moving rod 126 are movably sleeved between the first support 122 and the second support 123, a first limiting frame 127 is fixedly connected to one side of the first moving rod 125, a second limiting frame 128 located outside the first moving rod 125 is fixedly connected to one side of the second moving rod 126, and second gears 129 having outer edges respectively engaged with the first limiting frame 127 and the second limiting frame 128 are fixedly sleeved at two ends of the rotating shaft 124 extending out of the moving die holder 4.

Wherein, one side that first spacing 127 and second spacing 128 are close to the 9 of loosing core all is provided with the cushion, utilizes the cushion to cushion when first spacing 127 and second spacing 128 compress tightly the plastics bottle lid, increases the frictional force between first spacing 127 and second spacing 128 and the plastics bottle lid simultaneously for when 9 of loosing core rotates inside the plastics bottle lid, the cushion can carry on spacingly to the plastics bottle lid, conveniently looses core 9 and breaks away from the inside of plastics bottle lid.

Wherein, one side of the fixed die holder 3 close to the movable die holder 4 is provided with a position avoiding groove.

Wherein, actuating mechanism 11 includes servo motor 111 and the fixed suit first band pulley 112 on transmission shaft 101 of fixed mounting in fixing base 5 bottom, the fixed cover of output shaft of servo motor 111 is equipped with second band pulley 113, servo motor 111 carries out the transmission through the suit between belt 114 on first band pulley 112 and second band pulley 113 and the transmission shaft 101 and is connected, through servo motor 111, first band pulley 112, second band pulley 113 and belt 114's cooperation is used, make injection mold can provide power for actuating mechanism 10's drive through servo motor 111, conveniently carry out the drawing of patterns to the plastics bottle lid.

When the injection mold is demolded, the first air cylinder 7 is started, the first air cylinder 7 drives the movable mold base 4 to move through the fixed base 5, the loose core 9 is moved out of the cavity 8, the second air cylinder 121 is started, the second air cylinder 121 drives the first limiting frame 127 and the second limiting frame 128 to move through the matching of the first moving rod 125, the second moving rod 126 and the rotating shaft 124, the first limiting frame 127 and the second limiting frame 128 are driven to move, the plastic bottle cap is pressed and limited through the elastic pad while the first limiting frame 127 and the second limiting frame 128 move, the servo motor 111 is started, the servo motor 111 drives the first belt pulley 112 to rotate through the second belt pulley 113 and the belt 114, the transmission shaft 101 is driven to rotate while the first belt pulley 112 rotates, the transmission shaft 101 is driven to rotate through the first gear 103 while the transmission shaft 101 rotates, the loose core 9 is driven to rotate through the limiting block 102 while the transmission shaft 101 rotates, the loose core, the loose core 9 is gradually separated from the plastic bottle cap in a rotating mode, when the loose core 9 is separated from the plastic bottle cap for discharging, the second air cylinder 121 is started, the second air cylinder 121 drives the first limiting frame 127 and the second limiting frame 128 to reset through the second moving rod 126, the rotating shaft 124 and the first moving rod 125, the plastic bottle cap falls off from the elastic pads, and demolding of the plastic bottle cap is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold of plastics bottle lid, includes that inside is provided with base (1) of moulding plastics pipe, fixed connection are at dead lever (2) of base (1) one side, fixed mounting cup joints die holder (3) and the activity of base (1) one side and cup joint moving die holder (4) and fixing base (5) on dead lever (2) in the activity, its characterized in that: one end of the fixed rod (2) extending out of the fixed seat (5) is fixedly connected with a fixed plate (6), a first cylinder (7) with one end fixedly connected with one side of the fixed seat (5) is fixedly arranged in the fixed plate (6), a plurality of evenly distributed cavities (8) are arranged inside one side of the base (1) close to the fixed die holder (3), the internal thread of the movable die holder (4) is sleeved with loose cores (9) which are positioned at the inner side of the die cavity (8) and distributed with the die cavity (8) in a one-to-one correspondence manner, the inner part of one side of the fixed seat (5) far away from the movable die holder (4) is rotatably connected with a transmission mechanism (10) with one end sleeved in the loose core (9), the bottom of the fixed seat (5) is fixedly provided with a driving mechanism (11), and the outer side of the movable die holder (4) is fixedly connected with a demoulding mechanism (12).

2. The injection mold for plastic bottle caps as claimed in claim 1, wherein: drive mechanism (10) are including rotating transmission shaft (101) of connection in fixing base (5) inside, one side of transmission shaft (101) is provided with one end joint and is loosing core stopper (102) inside (9), transmission shaft (101) extend the fixed cover of the outside one end of fixing base (5) and are equipped with first gear (103), loose core (9) are located the one end setting that movable die holder (4) are close to transmission shaft (101) and carry out the spacing boss that the activity cup jointed with the inside of base (1).

3. The injection mold for plastic bottle caps as claimed in claim 1, wherein: demoulding mechanism (12) include second cylinder (121), first support (122) and second support (123) and rotate the pivot (124) of connecting in fixing base (5) inside of fixed mounting (5) of fixed mounting, first carriage release lever (125) and second carriage release lever (126) have been cup jointed in the activity between first support (122) and second support (123), the first spacing (127) of one side fixedly connected with of first carriage release lever (125), one side fixedly connected with of second carriage release lever (126) is located second spacing (128) in the first carriage release lever (125) outside, pivot (124) extend move die holder (4) outside both ends equal fixed sleeve have outer edge respectively with first spacing (127) and second spacing (128) intermeshing second gear (129).

4. The injection mold for plastic bottle caps as claimed in claim 3, wherein: elastic cushions are arranged on one sides, close to the core pulling body (9), of the first limiting frame (127) and the second limiting frame (128).

5. The injection mold for plastic bottle caps as claimed in claim 1, wherein: and one side of the fixed die holder (3) close to the movable die holder (4) is provided with an avoiding groove.

6. The injection mold for plastic bottle caps as claimed in claim 1, wherein: actuating mechanism (11) are including servo motor (111) and the fixed first band pulley (112) of adorning on transmission shaft (101) of fixed mounting in fixing base (5) bottom, the fixed cover of output shaft of servo motor (111) is equipped with second band pulley (113), carry out the transmission between belt (114) and transmission shaft (101) through the suit on first band pulley (112) and second band pulley (113) and be connected.