CN220349032U

CN220349032U - Go into mould variable pitch structure

Info

Publication number: CN220349032U
Application number: CN202321937372.8U
Authority: CN
Inventors: 刘志刚; 张扬扬; 李学伟; 谢新凯
Original assignee: Henan Tengyue Machinery Technology Co ltd
Current assignee: Henan Tengyue Machinery Technology Co ltd
Priority date: 2023-07-22
Filing date: 2023-07-22
Publication date: 2024-01-16
Anticipated expiration: 2033-07-22

Abstract

The utility model provides a go into mould variable pitch structure, solves variable pitch machining precision requirement height or equipment damage probability big, operates unstable problem. The device comprises a frame capable of sliding reciprocally and horizontally, wherein a plurality of horizontal sliding variable pitch connecting rods are arranged on the frame, two first short connecting rods are hinged on the right-most variable pitch connecting rod, long connecting rods are hinged at the end parts of the two first short connecting rods, the middle parts of the two long connecting rods are mutually hinged to form a scissor-like structure, and the hinged parts of the two long connecting rods are simultaneously hinged and fixed with the variable pitch connecting rods; the rear end of the variable pitch connecting rod is provided with a clamping device.

Description

Go into mould variable pitch structure

Technical Field

The utility model relates to the technical field of bottle blowing machines, in particular to a mold-in pitch-variable structure.

Background

The bottle blowing machine is convenient and quick, has large molding quantity, replaces most manual bottle blowing after appearance, and is adopted by most beverage enterprises.

In the production process of the bottle blowing machine, the pitch needs to be changed, the pitch is changed at present, and the bottle blowing machine pitch changing device is named as a bottle blowing machine in two modes, such as 202022729987.4, and the bottle blowing machine pitch changing device is characterized in that the pitch is changed by arranging a first thread line and a second thread line on the outer surface of a screw shaft, so that the pitch is changed, but the processing difficulty of the screw shaft is high, and the precision is required. If the application number 202120483160.1 is a bottle blowing machine pitch-changing device, the pitch-changing device is realized through a four-bar mechanism and a cylinder, but the speed is higher because the bottle blowing machine is in a high-speed running state, the cylinder at the moment completely meets the requirements of equipment, and the damage probability of the cylinder is higher, so that the normal use of the equipment is influenced.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the die-in variable pitch structure, which effectively solves the problems of high variable pitch machining precision requirement or high equipment damage probability and unstable operation.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a go into mould variable pitch structure, but including the frame of reciprocal horizontal slip, install a plurality of horizontal slip's variable pitch connecting rod on the frame, articulated on the variable pitch connecting rod on the rightmost side have two first short connecting rods, the tip of two first short connecting rods articulates there is long connecting rod, the middle part of two long connecting rods articulates each other and constitutes scissors dress structure, the articulated department of two long connecting rods articulates fixedly with the variable pitch connecting rod simultaneously;

the rear end of the variable pitch connecting rod is provided with a clamping device.

Preferably, the lower end of the frame is fixed with a guide rail, the upper end of the variable pitch connecting rod is fixed with a guide block, and the guide block horizontally slides along the guide rail.

Preferably, the leftmost variable pitch connecting rod is fixedly connected with the frame.

Preferably, the frame is rotatably provided with a synchronous belt, the frame is provided with a sliding block which horizontally slides, the synchronous belt drives the sliding block to slide in a reciprocating manner, and the sliding block is fixedly connected with the rightmost variable pitch connecting rod.

Preferably, the leftmost variable pitch connecting rod is hinged with two second short connecting rods, and the end parts of the two second short connecting rods are hinged and fixed with the long connecting rod.

Preferably, the middle part the pitch-variable connecting rod is provided with long limiting plates at intervals, the left end and the right end of each limiting plate are respectively provided with limiting grooves, pin shafts are slidably arranged in the limiting grooves, and the upper ends of the pin shafts penetrate through the long limiting plates and are fixedly connected with the pitch-variable connecting rods.

Preferably, the variable pitch connecting rod on both sides is fixed with a short limiting plate, the inner side of the short limiting plate is provided with a chute, a pin is slidably arranged in the chute, and the upper end of the pin penetrates through the short limiting plate and is fixedly connected with the variable pitch connecting rod.

Preferably, the clamping device comprises two clamping plates, the front ends of the clamping plates are hinged and fixed with the variable-pitch connecting rod, the inner sides of the rear ends of the clamping plates are arc-shaped structures, tension springs are connected in the two clamping plates, and the tension springs are structures for driving the two clamping plates to be close to each other.

Compared with the prior art, the utility model has the following advantages: 1) The synchronous belt is driven to drive by the servo motor, and the pitch is changed by matching with the connecting rod structure, so that the pitch is changed more stably and efficiently; 2) The use of long limiting plate and short limiting plate has restricted the extreme position of variable pitch connecting rod motion, avoids the damage of equipment to appear in the maloperation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall axial structure of the present utility model;

FIG. 3 is a schematic view of the limit motion state (the furthest limit) of the variable pitch link of the present utility model;

FIG. 4 is a schematic view of the limiting movement (minimum limit) of a variable pitch link according to the present utility model;

FIG. 5 is an enlarged schematic view of the portion A in FIG. 2;

in the figure: 1. a frame; 2. a variable pitch link; 3. a first short link; 4. a long connecting rod; 5. a clamping device; 6. a guide rail; 7. a guide block; 8. a synchronous belt; 9, sliding blocks; 10. a second short link; 11. a long limit plate; 12. a short limiting plate; 13. a clamping plate; 14. and a tension spring.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.

Referring to fig. 1-5, a mold-entering pitch-variable structure comprises a frame 1 capable of sliding reciprocally and horizontally, wherein a plurality of pitch-variable connecting rods 2 sliding horizontally are arranged on the frame 1, two first short connecting rods 3 are hinged on the right-most pitch-variable connecting rod 2, long connecting rods 4 are hinged at the end parts of the two first short connecting rods 3, the middle parts of the two long connecting rods 4 are mutually hinged to form a scissor-like structure, and the hinged parts of the two long connecting rods 4 are simultaneously hinged and fixed with the pitch-variable connecting rods 2;

the rear end of the variable pitch link 2 is provided with a clamping device 5.

In the device, the frame 1 is driven by external force to horizontally slide in a reciprocating manner, so that the whole pitch-variable mechanism is driven to horizontally slide in a reciprocating manner, and the die taking and the die entering of the bottle blowing machine are completed;

the outermost variable-pitch connecting rod 2 is driven to horizontally slide by external force, so that a plurality of variable-pitch connecting rods 2 are driven to synchronously move, and the horizontal distance between the variable-pitch connecting rods 2 is always the same, so that the variable pitch is rapidly realized.

At the rear end of each of the variable pitch links 2, a clamping device 5 is installed, and the bottles are clamped by the clamping device 5.

The lower end of the frame 1 is fixed with a guide rail 6, the upper end of the variable pitch connecting rod 2 is fixed with a guide block 7, and the guide horizontally slides along the guide rail 6.

In this device, our guide rail 6 is provided with two, and the shape of guide rail 6 can adopt multiple pattern, and in this equipment, our guide rail 6 has adopted the I shape, and guide block 7 and guide rail 6 cooperate first together to have reached the effect of a direction, have played a supporting effect to guide block 7 simultaneously, have guaranteed the stability of a vertical position of guide block 7.

The leftmost variable pitch connecting rod 2 is fixedly connected with the frame 1.

The machine frame 1 is rotatably provided with a synchronous belt 8, the machine frame 1 is provided with a sliding block 9 which horizontally slides, the synchronous belt 8 drives the sliding block 9 to slide in a reciprocating manner, and the sliding block 9 is fixedly connected with the rightmost variable pitch connecting rod 2.

In the device, a servo motor is fixed on a frame 1, the servo motor drives synchronous wheels to rotate, a synchronous belt 8 is connected between the two synchronous wheels, a sliding block 9 is connected with the synchronous belt 8 through a pressing plate and the like, so that the sliding block 9 is driven to slide together by the movement of the synchronous belt 8, and the sliding block 9 slides to drive a variable-pitch connecting rod 2 to slide together.

The leftmost variable pitch connecting rod 2 is hinged with two second short connecting rods 10, and the end parts of the two second short connecting rods 10 are hinged and fixed with the long connecting rod 4.

The middle part the spacing of variable pitch connecting rod 2 is provided with long limiting plate 11, and limiting plate's left and right sides both ends are equipped with the spacing groove respectively, and the slidable is equipped with the round pin axle in the spacing groove, and round pin axle upper end runs through long limiting plate 11 and variable pitch connecting rod 2 fixed connection.

The pitch-variable connecting rod 2 on two sides is fixedly provided with a short limiting plate 12, the inner side of the short limiting plate 12 is provided with a chute, a pin is slidably arranged in the chute, and the upper end of the pin penetrates through the short limiting plate 12 and is fixedly connected with the pitch-variable connecting rod 2.

In this device, through long limiting plate 11, short limiting plate 12, round pin axle and pin to can realize a spacing to variable pitch connecting rod 2 travel length, still restrict the minimum distance between two variable pitch connecting rods 2 simultaneously, thereby protect equipment to a certain extent, avoid equipment to collide because of the maloperation.

The clamping device 5 comprises two clamping plates 13, the front ends of the clamping plates 13 are hinged and fixed with the variable-pitch connecting rod 2, the inner sides of the rear ends of the clamping plates 13 are arc-shaped structures, tension springs 14 are connected in the two clamping plates 13, and the tension springs 14 are structures for driving the two clamping plates 13 to be close to each other.

The clamping force on the bottle mouth is provided by the pulling force between the two tension springs 14, so that the subsequent demolding of the bottle is also facilitated.

The examples are given solely for the purpose of clarity of illustration and are not intended to be limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The utility model provides a go into mould and become pitch structure, its characterized in that includes frame (1) that can reciprocate horizontal slip, installs a plurality of horizontal slip's become pitch connecting rod (2) on frame (1), and the change pitch connecting rod (2) on right side articulates has two first short connecting rods (3), and the tip of two first short connecting rods (3) articulates has long connecting rod (4), and the middle part of two long connecting rods (4) articulates each other and constitutes scissors dress structure, and the articulated department of two long connecting rods (4) articulates fixedly with change pitch connecting rod (2) simultaneously;

the rear end of the variable pitch connecting rod (2) is provided with a clamping device (5).

2. The molding pitch-changing structure according to claim 1, wherein a guide rail (6) is fixed at the lower end of the frame (1), a guide block (7) is fixed at the upper end of the pitch-changing connecting rod (2), and the guide block (7) horizontally slides along the guide rail (6).

3. A mould-in pitch structure according to claim 1, characterized in that the leftmost pitch-variable link (2) is fixedly connected with the frame (1).

4. The mold-in pitch-variable structure according to claim 1, wherein a synchronous belt (8) is rotatably arranged on the frame (1), a sliding block (9) horizontally sliding is arranged on the frame (1), the synchronous belt (8) drives the sliding block (9) to slide in a reciprocating manner, and the sliding block (9) is fixedly connected with the rightmost pitch-variable connecting rod (2).

5. A mould-in pitch-changing structure according to claim 1, characterized in that the leftmost pitch-changing link (2) is hinged with two second short links (10), the ends of the two second short links (10) being hinged with the long links (4).

6. The mold-in pitch-variable structure according to claim 1, wherein long limiting plates (11) are arranged at intervals on the pitch-variable connecting rods (2) in the middle, limiting grooves are respectively formed in the left end and the right end of each limiting plate, pin shafts are slidably arranged in the limiting grooves, and the upper ends of the pin shafts penetrate through the long limiting plates (11) and are fixedly connected with the pitch-variable connecting rods (2).

7. The mold-in pitch-variable structure according to claim 1, wherein the pitch-variable connecting rods (2) on two sides are fixedly provided with short limiting plates (12), sliding grooves are formed in the inner sides of the short limiting plates (12), pins are slidably arranged in the sliding grooves, and the upper ends of the pins penetrate through the short limiting plates (12) and are fixedly connected with the pitch-variable connecting rods (2).

8. The mold-in pitch-variable structure according to claim 1, wherein the clamping device (5) comprises two clamping plates (13), the front ends of the clamping plates (13) are hinged and fixed with the pitch-variable connecting rod (2), the inner sides of the rear ends of the clamping plates (13) are arc-shaped structures, tension springs (14) are connected in the two clamping plates (13), and the tension springs (14) are structures for driving the two clamping plates (13) to be close to each other.