CN212446277U

CN212446277U - Plastic product light mouth device

Info

Publication number: CN212446277U
Application number: CN202020608407.3U
Authority: CN
Inventors: 温作银
Original assignee: Zhejiang Tongfa Plastic Machinery Co ltd
Current assignee: Zhejiang Tongfa Plastic Machinery Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-02-02
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a plastic product light mouth device, which comprises a frame, a conveyer belt, a clamping mechanism and a light mouth mechanism are arranged on the frame, a guiding device is arranged on the conveyer belt, the clamping mechanism comprises a left clamp holder and a right clamp holder, a positive thread sleeve and a negative thread sleeve are respectively fixed on the left clamp holder and the right clamp holder, the positive thread sleeve and the negative thread sleeve are respectively in threaded connection with a lead screw, and the lead screw is driven by a motor to rotate, so that the left clamp holder and the right clamp holder synchronously move in opposite directions or reversely, and the plastic product can be clamped; the optical port mechanism comprises an optical port motor and a cutter arranged on a rotating shaft of the optical port motor, and the rotating shaft of the optical port motor is opposite to the intersection position of the connecting central line of the left holder and the right holder and the central line of the guide device. The utility model discloses a plastic products light mouthful device, it can be so that control two holder synchronous motion, guarantee going on smoothly of light mouthful work, the yields is high.

Description

Plastic product light mouth device

Technical Field

The utility model relates to a plastic products light mouthful device.

Background

Plastic articles, for example: plastic bottles are usually manufactured by a blow molding process, and the specific flow is as follows: shearing, blanking, feeding, closing mold, blowing needle, shaping, opening mold and demolding. After the plastic bottle is finished by blow molding, burrs are left on the bottle mouth of the plastic bottle, the bottle mouth is not smooth and is an unqualified product, therefore, the bottle mouth needs to be cut, namely the commonly-called 'smooth mouth', the conventional smooth mouth device is provided, when two clamping devices clamp the plastic bottle, the clamping devices are synchronously driven by two clamping cylinders, so that the plastic bottle is clamped and fixed, but the smooth mouth device adopts the two clamping cylinders as driving force, an air source is difficult to achieve synchronization, so that the two clamping cylinders cannot synchronously push the clamping devices, and when the plastic bottle is clamped, the bottle mouth of the plastic bottle cannot be concentric with a cutting edge, the smooth mouth fails to work, and the yield of the smooth mouth of the plastic bottle is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a plastic products light mouthful device is provided, it can be so that holder synchronous motion, guarantees going on smoothly of light mouthful work, and the yields is high.

In order to solve the technical problem, the utility model relates to a technical solution of plastic products light mouthful device does:

the utility model discloses a plastic product light mouth device, which comprises a frame, a conveyer belt, a clamping mechanism and a light mouth mechanism are arranged on the frame, a guiding device is arranged on the conveyer belt, the clamping mechanism comprises a left clamp holder and a right clamp holder, a positive thread sleeve and a negative thread sleeve are respectively fixed on the left clamp holder and the right clamp holder, the positive thread sleeve and the negative thread sleeve are respectively in threaded connection with a lead screw, the lead screw is driven by a motor to rotate, so that the left clamp holder and the right clamp holder synchronously move in opposite directions or reversely, and the plastic product can be clamped; the optical port mechanism comprises an optical port motor and a cutter arranged on a rotating shaft of the optical port motor, the rotating shaft of the optical port motor is just opposite to the intersection position of the connecting central line of the left holder and the right holder and the central line of the guide device, and the optical port mechanism can reciprocate up and down along the direction vertical to the conveying belt.

The guide device comprises guide rods which are symmetrically arranged, the guide rods are arranged on the translation rods, the translation rods are inserted in the fixed sleeve, and the diameter of each translation rod is smaller than the aperture of the fixed sleeve, so that the translation rods can move along the axis of the fixed sleeve, and the distance between the two guide rods is variable; the fixed sleeve is provided with a screw hole, and a screwing hand wheel is screwed in the screw hole, so that the translation rod is fastened; the fixed sleeve is arranged on the bracket, and the bracket is fixed on two sides of the conveying belt.

The left clamp holder and the right clamp holder are consistent in structure and symmetrically distributed, and each clamp holder comprises a horizontal guide rail arranged on the rack, a horizontal sliding block arranged on the horizontal guide rail, a translation frame fixed on the horizontal sliding block and a chuck arranged on the translation frame, a push plate is arranged below the translation frame, and a positive thread sleeve/a negative thread sleeve is fixed on the push plate; and bearing seats are respectively arranged at two ends of the screw rod and are fixed on the frame.

Still be equipped with the limiting plate on the translation frame, the front end of limiting plate is equipped with the notch, and two notches of two limiting plates on left holder, the right holder have formed spacing mouthful jointly, the cutter matches and is in spacing mouthful, and has the clearance between spacing mouthful and the cutter.

The front end of the chuck is provided with a concave arc groove, the two concave arc grooves jointly form a clamping hole, and the centers of the clamping hole and the limiting opening are collinear.

The optical port mechanism comprises a fixed frame fixed on the rack, a vertical guide rail arranged on the fixed frame, a vertical sliding block arranged on the vertical guide rail and a motor frame fixed on the vertical sliding block, and the optical port motor is fixed on the motor frame; the fixed frame is also fixed with an air cylinder, and a stroke rod of the air cylinder is connected with the motor frame so as to drive the motor frame to reciprocate up and down along the direction vertical to the conveying belt.

The positive thread sleeve and the negative thread sleeve are of T-shaped structures, threads of the positive thread sleeve and threads of the negative thread sleeve are positive and negative, and thread pitches are consistent.

The cutter comprises a cutter sleeve and blades which are uniformly distributed on the cutter sleeve on the circumference, and the cutter sleeve is fixed on a rotating shaft of the smooth mouth motor; a positioning bolt is arranged at the front end of the cutter sleeve, and a step surface is formed between the positioning bolt and the cutter sleeve; the cutting edge is located at the position of the step surface and is located below the limiting plate.

The utility model has the advantages that:

compared with the prior art, the utility model discloses a plastic products light mouthful device, through positive thread bush, anti-thread bush and lead screw threaded connection, through rotatory lead screw, thereby drive positive thread bush, anti-thread bush and be the removal in opposite directions or opposite direction, and can accomplish absolute synchronization, because positive thread bush, anti-thread bush correspond to be connected be left holder, right holder, thereby make the chuck on left holder, right holder grasp plastic products, and guarantee that the centre gripping hole that two chuck front ends formed is coaxial with the pivot of light mouthful motor;

compared with the prior art, the plastic product light mouth device of the utility model is also provided with the guiding device on the conveying belt, which enables the plastic product to be accurately transported to the lower part of the light mouth mechanism, and the distance between the two guiding rods of the guiding device is adjustable, thus being suitable for plastic products with different calibers;

compared with the prior art, the utility model discloses a plastic products light mouthful device is equipped with the limiting plate on left holder, the right holder respectively, and the pivot that corresponds the light mouthful motor is matchd to the spacing mouth that two notches of two limiting plates formed jointly, and the cutter is in the below of limiting plate, and at light mouthful during operation, its waste material that cuts down can concentrate the whereabouts, is unlikely to splash.

Drawings

Fig. 1 is an angular perspective view of the plastic product light port device of the present invention;

fig. 2 is a perspective view of another angle of the plastic product light port device of the present invention;

fig. 3 is a three-dimensional exploded view of the conveyor belt of the plastic product light opening device of the present invention;

FIG. 4 is a perspective view of the left and right holders and the light opening mechanism of the plastic product light opening device of the present invention;

fig. 5 is an exploded perspective view of the left and right holders and the light opening mechanism of the plastic product light opening device of the present invention.

Detailed Description

The invention will be described in further detail with reference to the following drawings and detailed description:

referring to fig. 1 to 5, the utility model provides a plastic product light mouth device, including frame 1, be equipped with conveyer belt 2, fixture 3 and light mouth mechanism 4 on frame 1, be equipped with guider 5 on the conveyer belt 2, fixture 3 includes left holder 6 and right holder 7, is fixed with positive thread bush 8, reverse thread bush 9 respectively on left holder 6, the right holder 7, positive thread bush 8, reverse thread bush 9 are respectively with lead screw 10 spiro union, drive lead screw 10 through the motor and rotate, thus make left holder 6, right holder 7 be synchronous opposite direction or opposite direction movement, thus can grasp plastic product; the optical port mechanism 4 comprises an optical port motor 11 and cutters 12 arranged on a rotating shaft of the optical port motor 11, wherein each cutter 12 comprises a cutter sleeve 13 and blades 14 uniformly distributed on the cutter sleeve 13 in the circumferential direction, and the cutter sleeves 13 are fixed on the rotating shaft of the optical port motor 11; the cutter 12 comprises a cutter sleeve 13 and blades 14 which are uniformly distributed on the cutter sleeve 13 in the circumference, and the cutter sleeve 13 is fixed on a rotating shaft of the smooth motor 11; a positioning bolt 15 is arranged at the front end of the cutter sleeve 13, and a step surface 16 is formed between the positioning bolt 15 and the cutter sleeve 13; the cutting edge 14 is positioned on the step surface 16, the rotating shaft of the light opening motor 11 is opposite to the intersection position of the connecting central line of the left holder 6 and the right holder 7 and the central line of the guide device 5, and the light opening mechanism 4 can reciprocate up and down along the direction vertical to the conveying belt 2.

The guide device 5 comprises guide rods 17 which are symmetrically arranged, the guide rods 17 are mounted on a translation rod 18, the translation rod 18 is inserted in a fixed sleeve 19, and the diameter of the translation rod 18 is smaller than the aperture of the fixed sleeve 19, so that the translation rod 18 can move along the axis of the fixed sleeve 19, and the distance between the two guide rods 17 is variable; the fixed sleeve 19 is provided with a screw hole, and a screwing hand wheel 20 is screwed in the screw hole, so that the translation rod 18 is fastened; the fixing sleeve 19 is mounted on a bracket 21, and the bracket 21 is fixed on two sides of the conveying belt 2.

The left clamp holder 6 and the right clamp holder 7 are consistent in structure and symmetrically distributed, and respectively comprise a horizontal guide rail 22 arranged on the rack 1, a horizontal sliding block 23 arranged on the horizontal guide rail 22, a translation frame 24 fixed on the horizontal sliding block 23 and a chuck 25 arranged on the translation frame 24, a push plate 26 is arranged below the translation frame 24, and the positive thread sleeve 8/the negative thread sleeve 9 are fixed on the push plate 26; bearing blocks 27 are respectively arranged at two ends of the screw rod 10, and the bearing blocks 27 are fixed on the frame 1.

The translation frame 24 is further provided with a limiting plate 28, a notch 29 is formed in the front end of the limiting plate 28, the two notches 29 of the two limiting plates 28 on the left gripper 6 and the right gripper 7 form a limiting opening 30 together, the cutting knife 12 is matched and positioned in the limiting opening 30, and a gap is formed between the limiting opening 30 and the cutting knife 12; the cutting edge 14 of the cutting knife 12 is positioned below the limiting plate 28.

The front end of the chuck 25 is provided with a concave arc groove 31, the two concave arc grooves 31 jointly form a clamping hole 32, and the centers of the clamping hole 32 and the limiting opening 30 are collinear. The concave arc groove 31 has better clamping stability for clamping plastic products.

The optical port mechanism 4 comprises a fixed frame 33 fixed on the frame 1, a vertical guide rail 34 installed on the fixed frame 33, a vertical sliding block 35 installed on the vertical guide rail 34, and a motor frame 37 fixed on the vertical sliding block 35, wherein the optical port motor 11 is fixed on the motor frame 37; the fixed frame 33 is also fixed with an air cylinder 36, and a stroke rod of the air cylinder 36 is connected with a motor frame 37, so that the motor frame 37 is driven to reciprocate up and down along the direction vertical to the conveying belt 2.

The positive thread sleeve 8 and the negative thread sleeve 9 are both of T-shaped structures, threads of the positive thread sleeve 8 and threads of the negative thread sleeve 9 are positive and negative, and thread pitches are consistent.

The working principle of the plastic product light port device of the utility model is explained as follows:

the utility model discloses a plastic products light mouthful device to processing the plastic bottle is for example, and the plastic bottle is after being accomplished by the blowing, places conveyer belt 2 through automation equipment on, and in the plastic bottle was in the space that forms between two guide bars 17 of guider 5, according to the external diameter size of plastic bottle, adjusts the interval between two guide bars 17, and concrete operation is as follows: screwing the handwheel 20 rotates from the threaded hole, which in turn releases the translation rod 18, so that the translation rod 18 can be moved, which in turn moves the guide rods 17 fixed to the translation rod 18, and thus adjusts the spacing between the two guide rods 17. The plastic bottles placed on the conveyer belt 2 are conveyed by the conveyer belt 2 and reach the position right below the light opening mechanism 4, a photoelectric switch detects and senses the signals that the plastic bottles are in place, the signals are transmitted to a main control circuit, the main control circuit controls the conveyer belt 2 to stop running, then, the motor drives the screw rod 10 to rotate, the positive thread sleeve 8 and the negative thread sleeve 9 on the screw rod 10 move oppositely, so that the left gripper 6 and the right gripper 7 are synchronously close to each other, and then the chucks 25 on the left gripper 6 and the right gripper 7 wrap and grip the bottle body from the two sides of the plastic bottle, meanwhile, the limiting openings 30 formed by the limiting plates 28 on the two translation frames 24 wrap the cutting knife 12 on the light opening motor 11, and because a gap is formed between the limiting openings 30 and the cutting knife 12, therefore, the limiting plate 28 does not influence the free rotation of the cutter 12, and meanwhile, the limiting plate 28 can block the waste materials cut by the cutter 12; then, the finish mechanism 4 works, the cylinder 36 drives the motor frame 37 to move downwards, so that the positioning bolt 15 of the cutter sleeve 13 on the rotating shaft of the finish motor 11 is inserted into the bottle mouth of the plastic bottle, the cutting edge 14 of the cutter 12 on the step surface 16 is matched with the end part of the bottle mouth, the finish motor 11 works to drive the cutter sleeve 13 to rotate, and the cutter 12 scrapes the bottle mouth, so that burrs are scraped; finally, the motor drives the screw rod 10 to rotate reversely, so that the left clamp holder 6 and the right clamp holder 7 move in opposite directions, the two clamping heads 25 are opened, then the air cylinder 36 drives the motor frame 37 to move upwards, the cutter 12 leaves the bottle opening of the plastic bottle, the conveyer belt 2 continues to work, the plastic bottle is driven to continue to move, and the like.

The plastic product light mouth device provided by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying a specific example, and the description of the above embodiment is only used to help understanding the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A plastic products light mouthful device which characterized in that: the plastic product clamping device comprises a rack, wherein a conveying belt, a clamping mechanism and a smooth opening mechanism are arranged on the rack, a guide device is arranged on the conveying belt, the clamping mechanism comprises a left clamp holder and a right clamp holder, a positive thread sleeve and a negative thread sleeve are respectively fixed on the left clamp holder and the right clamp holder, the positive thread sleeve and the negative thread sleeve are respectively in threaded connection with a lead screw, and the lead screw is driven to rotate by a motor, so that the left clamp holder and the right clamp holder synchronously move in opposite directions or reversely move, and a plastic product can be clamped; the optical port mechanism comprises an optical port motor and a cutter arranged on a rotating shaft of the optical port motor, the rotating shaft of the optical port motor is just opposite to the intersection position of the connecting central line of the left holder and the right holder and the central line of the guide device, and the optical port mechanism can reciprocate up and down along the direction vertical to the conveying belt.

2. A plastic product optical port device as claimed in claim 1, wherein: the guide device comprises guide rods which are symmetrically arranged, the guide rods are arranged on the translation rods, the translation rods are inserted in the fixed sleeve, and the diameter of each translation rod is smaller than the aperture of the fixed sleeve, so that the translation rods can move along the axis of the fixed sleeve, and the distance between the two guide rods is variable; the fixed sleeve is provided with a screw hole, and a screwing hand wheel is screwed in the screw hole, so that the translation rod is fastened; the fixed sleeve is arranged on the bracket, and the bracket is fixed on two sides of the conveying belt.

3. A plastic product optical port device as claimed in claim 1, wherein: the left clamp holder and the right clamp holder are consistent in structure and symmetrically distributed, and each clamp holder comprises a horizontal guide rail arranged on the rack, a horizontal sliding block arranged on the horizontal guide rail, a translation frame fixed on the horizontal sliding block and a chuck arranged on the translation frame, a push plate is arranged below the translation frame, and a positive thread sleeve/a negative thread sleeve is fixed on the push plate; and bearing seats are respectively arranged at two ends of the screw rod and are fixed on the frame.

4. A plastic product optical port device as claimed in claim 3, wherein: still be equipped with the limiting plate on the translation frame, the front end of limiting plate is equipped with the notch, and two notches of two limiting plates on left holder, the right holder have formed spacing mouthful jointly, the cutter matches and is in spacing mouthful, and has the clearance between spacing mouthful and the cutter.

5. A plastic product optical port device as claimed in claim 4, wherein: the front end of the chuck is provided with a concave arc groove, the two concave arc grooves jointly form a clamping hole, and the clamping hole and the center of the limiting opening are collinear.

6. A plastic product optical port device as claimed in claim 1, wherein: the optical port mechanism comprises a fixed frame fixed on the rack, a vertical guide rail arranged on the fixed frame, a vertical sliding block arranged on the vertical guide rail and a motor frame fixed on the vertical sliding block, and the optical port motor is fixed on the motor frame; the fixed frame is also fixed with an air cylinder, and a stroke rod of the air cylinder is connected with the motor frame so as to drive the motor frame to reciprocate up and down along the direction vertical to the conveying belt.

7. A plastic product optical port device as claimed in claim 1, wherein: the positive thread sleeve and the negative thread sleeve are of T-shaped structures, threads of the positive thread sleeve and threads of the negative thread sleeve are positive and negative, and thread pitches are consistent.

8. A plastic product optical port device as claimed in claim 4, wherein: the cutter comprises a cutter sleeve and blades which are uniformly distributed on the cutter sleeve on the circumference, and the cutter sleeve is fixed on a rotating shaft of the smooth mouth motor; a positioning bolt is arranged at the front end of the cutter sleeve, and a step surface is formed between the positioning bolt and the cutter sleeve; the cutting edge is located at the position of the step surface and is located below the limiting plate.