CN104816407B - A kind of tyre vulcanizer segmented mold quick-locking device - Google Patents

Abstract

The invention relates to a quick locking device for a movable mold of a tire vulcanizer. The piston rod of the drive cylinder is connected to the central retaining sleeve through two half-ring glands, and the two half-ring glands are connected to the rear cylinder head through screws; the rear cylinder head, cylinder barrel and front cylinder head are fixed to each other, forming a The sealing chamber is equipped with a piston sliding sleeve, which is pushed by a return spring to keep it in an extended state; the connecting flange of the movable mold is installed in the center holding sleeve, and the middle position of the center holding sleeve is drilled. There is a group of holes, and a steel ball is installed in each hole, and a circle of grooves is processed on the neck of the joint flange of the movable die to match the diameter of the steel ball. The beneficial effect is that the compressed air is used to drive the piston sliding sleeve to realize the pneumatic fast locking and unlocking of the mold, which speeds up the mold changing speed, replaces the manual operation mode, reduces the auxiliary working time, improves the production efficiency, and improves the safety factor at the same time. Created more benefits for customers.

Description

A quick locking device for the movable mold of a tire vulcanizing machine

technical field

The invention relates to auxiliary equipment for a tire vulcanizer, in particular to a quick locking device for a movable mold of a tire vulcanizer.

Background technique

At present, most of the connection and locking methods of the active mold of vulcanization equipment are directly connected and locked by the cross lock head and the flange plate. By manually rotating the gear shaft, the gear set is driven, so that the cross lock head rotates at a certain angle to achieve the purpose of loosening the lock. This method is inconvenient to replace the active mold of the tire vulcanizer, and there are potential safety hazards for operators in the manual operation process, and the device has a complicated structure and low reliability, which is not conducive to ensuring production. Therefore, tire manufacturers urgently need a pneumatic fast locking device for the active mold of the vulcanizer, which can improve the automation rate, reduce production auxiliary time, and eliminate potential safety hazards.

Contents of the invention

The purpose of the present invention is to solve the above-mentioned defects in the prior art, to provide a quick locking device and method for the active mold of a tire vulcanizer, which adopts pneumatic control to quickly lock and loosen the lock, the purpose of which is to cancel the manual operation and improve the working efficiency. efficiency and safety.

A new type of fast locking device for the flexible mold of a tire vulcanizer, including a drive cylinder, two half-ring glands, a rear cylinder cover, a cylinder barrel, a front cylinder cover, a return spring, a center holding sleeve, a piston sliding sleeve, steel balls, and a flexible mold connection The flange, air inlet and outlet pipes, and the piston rod of the drive cylinder are connected to the central retaining sleeve through two half-ring glands, and the two half-ring glands are connected to the rear cylinder head through screws; the rear cylinder head, cylinder barrel and front cylinder head are connected to each other. fixed, a sealed cavity is formed inside, and the piston sliding sleeve is installed in the sealed cavity, which is pushed by a return spring to keep it stretched out; the connecting flange of the movable mold is installed in the center holding sleeve, and the center There is a group of holes drilled in the middle of the retaining sleeve, and a steel ball is installed in each hole, and a circle of grooves is processed on the neck of the joint flange of the movable mold to match the diameter of the steel ball; the return spring, center retaining The mold locking device is composed of the sleeve, the piston sliding sleeve, the steel ball, and the connecting flange of the movable mold.

Above-mentioned front cylinder head is provided with air hole, and air hole is connected with inlet and outlet air pipe.

A method for using a quick locking device for a tire vulcanizer's active mold mentioned in the present invention includes the following steps:

(a) When installing the tire active mold, first connect the connecting flange of the active mold to the tire active mold, install it on the vulcanizing machine, and then use compressed air to enter the inside of the sealed cavity from the air hole of the front cylinder head, forcing the sliding sleeve of the piston to compress the return spring to retract , the steel ball on the center holding sleeve retreats into the groove of the piston sliding sleeve, so that the joint flange journal of the movable mold smoothly enters the center holding sleeve, and then enters and exits the air pipe to exhaust, the return spring pushes the piston sliding sleeve out, forcing the center holding sleeve The steel ball on the upper part is matched with the journal groove of the connecting flange of the flexible mold, so as to lock the center holding sleeve and the connecting flange of the flexible mold together, so as to achieve the purpose of quickly locking the flexible mold of the tire;

(b) When the sliding sleeve of the piston is in the extended state, the steel ball locks the central holding sleeve and the connecting flange of the movable mold together, so that the two half-ring glands, the rear cylinder head, the cylinder barrel, the front cylinder head, and the center holding The sleeve, the piston sliding sleeve, and the joint flange of the flexible mold form a complete fixed structure, which can move up and down with the piston rod of the drive cylinder, thereby driving the sliding block of the tire flexible mold to shrink or expand.

The beneficial effects of the present invention are: by designing a set of molds composed of rear cylinder head, cylinder barrel, front cylinder head, return spring, center holding sleeve, piston sliding sleeve, steel ball, movable mold connecting flange, air inlet and outlet pipes, etc. The pneumatic fast locking device uses compressed air to drive the piston sliding sleeve to realize the pneumatic fast locking and loosening of the mold, which speeds up the mold changing speed, improves the operability, removes the manual operation of the traditional mode, greatly improves the safety factor, and reduces Reduced auxiliary working time, improved production efficiency, and created more benefits for customers.

Description of drawings

Accompanying drawing 1 is a partial sectional view of the present invention;

Accompanying drawing 2 is the front view of the present invention;

In the above picture: drive cylinder 1, two half-ring glands 2, rear cylinder cover 3, cylinder barrel 4, front cylinder cover 5, return spring 6, center retaining sleeve 7, piston sliding sleeve 8, steel ball 9, flexible mold connection method Blue 10, inlet and outlet trachea 11.

detailed description

In conjunction with accompanying drawing 1-2, the present invention is further described:

A quick locking device for the active mold of a tire vulcanizer mentioned in the present invention includes a drive cylinder 1, two half-ring glands 2, a rear cylinder cover 3, a cylinder barrel 4, a front cylinder cover 5, a return spring 6, and a center holding sleeve 7. Piston sliding sleeve 8, steel ball 9, movable mold connecting flange 10, air inlet and outlet pipe 11, the piston rod of drive cylinder 1 is connected with the central retaining sleeve 7 through two half-ring glands 2, and the two half-ring glands 2 are connected by screws It is connected with the rear cylinder cover 3; the rear cylinder cover 3, the cylinder barrel 4 and the front cylinder cover 5 are fixed to each other, and a sealed cavity is formed inside, and the piston sliding sleeve 8 is installed in the sealed cavity, which is pushed by a return spring 6 , to keep it stretched out; the joint flange 10 of the movable mold is installed in the center holding sleeve 7, and a group of holes are drilled in the middle of the center holding sleeve 7, and a steel ball 9 is installed in each hole, A circle of grooves is processed on the shaft neck of the joint flange 10 of the active die to match the diameter of the steel ball 9; the return spring 6, the central holding sleeve 7, the piston sliding sleeve 8, the steel ball 9, and the joint flange 10 of the active die are composed of Die locking device.

The above-mentioned front cylinder head 5 is provided with air holes, and the air holes are connected to the inlet and outlet air pipes 11, and the compressed air enters the inside of the sealed cavity from the front cylinder head 5 air holes through the inlet and outlet air pipes 11.

A method for using a quick locking device for a tire vulcanizer's active mold mentioned in the present invention includes the following steps:

(a) When installing the tire active mold, first connect the active mold connecting flange 10 to the tire active mold, install it on the vulcanizing machine, and then use compressed air to enter the sealed cavity from the front cylinder head 5 air hole, forcing the piston sliding sleeve 8 to press and reset The spring 6 retracts, and the steel ball 9 on the central holding sleeve 7 retreats into the groove of the piston sliding sleeve 8, so that the journal of the joint flange 10 of the movable mold smoothly enters the central holding sleeve 7, and then enters and exits the air pipe 11 to exhaust, and the return spring 6 Push the piston sliding sleeve 8 out, force the steel ball 9 on the central holding sleeve 7 to cooperate with the journal groove of the joint flange 10 of the movable die, thereby locking the central retaining sleeve 7 and the connecting flange 10 of the movable die together to achieve The purpose of quick locking of tire flexible mold;

(b) When the piston sliding sleeve 8 is in the extended state, the steel ball 9 locks the central holding sleeve 7 and the joint flange 10 of the movable mold together, so that the two half-ring glands 2, the rear cylinder cover 3, and the cylinder barrel 4 , the front cylinder head 5, the central retaining sleeve 7, the piston sliding sleeve 8, and the joint flange 10 of the active mold form a complete fixed structure, which can move up and down with the piston rod of the driving cylinder 1, thereby driving the slider of the active mold to shrink or open.

Claims (2)

1. A quick locking device for the flexible die of a tire vulcanizer, characterized by: including a drive cylinder (1), two half-ring glands (2), a rear cylinder cover (3), a cylinder barrel (4), and a front cylinder cover (5), return spring (6), center retaining sleeve (7), piston sliding sleeve (8), steel ball (9), movable mold connection flange (10), air inlet and outlet pipe (11), drive cylinder (1) The piston rod is connected with the central retaining sleeve (7) through the two half-ring glands (2), and the two half-ring glands (2) are connected with the rear cylinder head (3) through screws; the rear cylinder head (3), the cylinder ( 4) and the front cylinder head (5) are fixed to each other, and a sealed cavity is formed inside. The sealed cavity is equipped with a piston sliding sleeve (8) with a groove, which is pushed by a return spring (6) to make it Keep the protruding state; the flexible mold connecting flange (10) is installed in the center holding sleeve (7), and a group of holes are drilled in the middle of the center holding sleeve (7), and a set of holes is installed in each hole The steel ball (9), the joint flange (10) of the movable mold is processed with a circle of grooves to make it match the diameter of the steel ball (9); the return spring (6), the center retaining sleeve (7), and the piston slide Set (8), steel ball (9) and movable mold connecting flange (10) form the mold locking device; The method for using the quick locking device for the flexible die of the tire vulcanizer comprises the following steps: (a) When installing the tire active mold, first connect the active mold connecting flange (10) to the tire active mold, install it on the vulcanizing machine, and then use compressed air to enter the inside of the sealed cavity from the air hole of the front cylinder head (5) to force the piston to slide The sleeve (8) presses the return spring (6) to retract, and the steel ball (9) on the center holding sleeve (7) retreats into the groove of the piston sliding sleeve (8), so that the journal of the joint flange (10) of the movable mold can enter smoothly Inside the center holding sleeve (7), then enter and exit the air pipe (11) to exhaust, the return spring (6) pushes the piston sliding sleeve (8) out, forcing the steel ball (9) on the center holding sleeve (7) to connect with the movable mold The flange (10) journal groove fits together to lock the center retaining sleeve (7) and the joint flange (10) of the flexible mold together, so as to achieve the purpose of quickly locking the flexible mold of the tire; (b) When the piston sliding sleeve (8) is in the extended state, the steel ball (9) locks the central retaining sleeve (7) and the joint flange (10) of the movable mold together, so that the two half-ring glands (2 ), rear cylinder cover (3), cylinder barrel (4), front cylinder cover (5), center retaining sleeve (7), piston sliding sleeve (8), movable mold connecting flange (10) form a complete fixed The structure can move up and down together with the piston rod of the drive cylinder (1), thereby driving the tire flexible mold to shrink or expand. 2. The quick locking device for the movable mold of the tire vulcanizing machine according to claim 1, characterized in that: the front cylinder head (5) is provided with air holes, and the air holes are connected to the air inlet and outlet pipes (11).