CN113043536A

CN113043536A - Device for stably clamping injection mold in injection molding machine

Info

Publication number: CN113043536A
Application number: CN202110286771.1A
Authority: CN
Inventors: 苗晓飞; 周志勇; 祝勇; 郑水滔; 赖文峰; 毛海澜; 杨科平
Original assignee: Kaiping Baihui Mould Technology Co ltd
Current assignee: Kaiping Baihui Mould Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-06-29
Anticipated expiration: 2041-03-17
Also published as: CN113043536B

Abstract

The invention relates to the technical field of molds and discloses a device for stably clamping an injection mold in an injection molding machine, which comprises a lower mold, wherein an upper mold is movably connected above the lower mold; automatic carry out the centre gripping to last mould fixed, avoid going up the mould and constantly being close to the wearing and tearing of keeping away from the process production of lower membrane again, make the compound die matching degree of going up mould and lower mould reduce, the stability that the mould was placed reduces on going up the mould, effectively improve the stability that the mould removed, it is located the lower mould directly over all the time to go up the mould, the processingquality is higher, and after accomplishing fixed, the operation of automatic braking clamping operation, avoid the difficult control condition that leads to fixture or last mould to damage of clamping degree to appear, can satisfy the centre gripping of different specification moulds, degree of automation is higher, more accord with the in-service use demand, after the centre gripping operation of the mould is gone up in the completion, carry out two-sided extrusion to the fixture, increase the stability that fixture placed, make it keep the state of.

Description

Device for stably clamping injection mold in injection molding machine

Technical Field

The invention relates to the technical field of molds, in particular to a device for stably clamping an injection mold in an injection molding machine.

Background

The die is widely used for blanking, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber and the like, generally comprises a movable die and a fixed die which can be separated and combined, a clamping column of the movable die is clamped with a clamping column groove of the fixed die, so that the movable die and the fixed die are attached to each other, and an injection molding cavity is formed. However, when the injection molding machine is used, due to the fact that the moving die continuously moves, the clamping column or the clamping column groove of the fixed die is abraded, stability between the moving die and the fixed die is reduced, the situation that injection molding fails due to the fact that the die is loosened easily occurs, and the qualified rate of processed products is reduced. The existing clamping device cannot fix moulds with different sizes, and the fixing degree of a common manual fixing device is difficult to control when the common manual fixing device is used, so that the situation of excessive clamping is easy to occur, and the clamping mechanism or the upper mould is damaged. Meanwhile, the stability of the fixing is poor, the stability of the upper die cannot be guaranteed, and the actual processing requirement cannot be met.

Aiming at the defects of the prior art, the invention provides a device for stably clamping an injection mold in an injection molding machine, which has the advantages of capability of fixing molds with different specifications, high clamping stability and convenience in operation.

Disclosure of Invention

Technical scheme (I)

In order to realize the purposes of fixing moulds with different specifications, high stability of clamping and convenient operation, the invention provides the following technical scheme: the device for stably clamping the injection mold in the injection molding machine comprises a lower die, an upper die, a shell, a rotating button, a screw rod, a rotating rod, a moving rod, a lower clamping block, a clamp, an upper clamping block, a first contact block, a second contact block, a spiral pipe, a rotating disc, a follow-up block, a rotating block and an electromagnet.

Wherein:

the position and connection relationship among the structures are as follows:

a device for stably clamping an injection mold in an injection molding machine comprises a lower die, wherein an upper die is movably connected above the lower die, a shell is fixedly connected to the outer side of the upper die, the shell has two parts with the same specification, a rotating button is movably connected to the surface of the shell, a first cone pulley is fixedly connected to the outer side of the rotating button, a second cone pulley is movably connected to one side, away from the rotating button, of the second cone pulley, a screw hole is formed in the second cone pulley, a screw rod is movably connected to the outer side of the rotating button and located in an inner cavity of the shell, a rotating rod is movably connected to the surface of the screw rod and movably connected to the inner wall of the shell, clamping blocks are movably connected to the two ends of the rotating rod, a moving rod is movably connected to one side, away from the screw rod, the moving rod is inverted L-shaped, a lower clamping block is fixedly connected to the, the upper part of the lower clamping block is movably connected with a clamp, the clamp comprises a clamping block and a rod body, the surface of the rod body is provided with two clamping grooves with the same specification, the outer side of the rod body is movably connected with a screw tube, a spring is movably connected between the rod body and the screw tube, the upper part of the clamp is movably connected with an upper clamping block, the outer side of the clamp is fixedly connected with a first contact block, the first contact block is electrically connected with a second contact block and an electromagnet, one side of the first contact block, which is far away from the clamp, is movably connected with the second contact block, the outer side of the second contact block is fixedly connected with the screw tube, the inner cavity of the screw tube is fixedly connected with the second contact block, the outer side of the screw tube is movably connected with a rotating disc, the outer side of the rotating disc is movably connected with a pull rope, the inner part of the rotating disc is provided with a screw hole, the lower part of the rotating disc is movably connected with, the spring is movably connected between the turntable and the vertical rod of the inverted T-shaped rod, the rotating block is movably connected to the outer side of the follow-up block, and the electromagnet is fixedly connected to one side, far away from the rotating block, of the follow-up block.

(II) advantageous effects

Compared with the prior art, the invention provides a device for stably clamping an injection mold in an injection molding machine, which has the following beneficial effects:

1. this device of centre gripping is stabilized to injection mold in injection molding machine, through last mould, lower mould anchor clamps, first feeler block, the second feeler block, the solenoid, the capstan, the follower, the combined action of commentaries on classics piece and electro-magnet, it is fixed to carry out the centre gripping automatically to last mould, avoid going up the mould and constantly being close to the wearing and tearing of keeping away from the process production of lower membrane again, the compound die degree that makes last mould and lower mould reduces, the stability that the mould was placed reduces, effectively improve the stability that the mould removed, go up the mould and be located the lower mould directly over all the time, processingquality is higher, and after accomplishing fixed, the operation of automatic braking centre gripping operation, avoid the difficult control of centre gripping degree to lead to fixture or the condition of going up the mould damage to appear, can satisfy the centre gripping of different specification moulds, degree.

2. This device of centre gripping is stabilized injection mold in injection molding machine through the combined action of turn-button, screw rod, swing arm, carriage release lever, lower fixture block, anchor clamps and last fixture block, after the centre gripping operation of mould, carries out two-sided extrusion to clamping mechanism, increases the stability that clamping mechanism placed, makes it remain the state of mould on the centre gripping all the time to reach the effect of stabilizing the centre gripping to last mould.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the connection between the rotating button and the upper fixture block according to the present invention;

FIG. 4 is a schematic view of the connection between the fixture and the rotating disk according to the present invention.

In the figure: 1. a lower die; 2. an upper die; 3. a housing; 4. turning a button; 5. a screw; 6. rotating the rod; 7. a travel bar; 8. a lower clamping block; 9. a clamp; 10. an upper clamping block; 11. a first contact block; 12. a second contact block; 13. a solenoid; 14. rotating the disc; 15. a follower block; 16. rotating the block; 17. an electromagnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a device for stably clamping an injection mold in an injection molding machine comprises a lower mold 1, an upper mold 2 is movably connected above the lower mold 1, a through rod is fixedly connected to the bottom of the upper mold 2 and penetrates through the lower mold 1, four driving rods with the same specification are fixedly connected to the top of the upper mold 2, two shells 3 with the same specification are fixedly connected to the outer side of the upper mold 2, the two shells 3 are respectively positioned at two ends of the upper mold 2, a knob 4 is movably connected to the surface of each shell 3, a first cone pulley is fixedly connected to the outer side of the knob 4, a second cone pulley is movably connected to one side of the second cone pulley, which is far away from the knob 4, a screw hole is formed in the inner part of the second cone pulley, the size of the screw hole is matched with that of the screw rod 5, a screw rod 5 is movably connected to the outer side of the knob 4 and, the surface of the screw 5 is movably connected with a rotary rod 6, the rotary rod 6 is movably connected with the inner wall of the shell 3, two ends of the rotary rod 6 are movably connected with clamping blocks, the two clamping blocks are respectively movably connected with the screw 5 and a movable rod 7, the surface of each clamping block is provided with a clamping groove, the rotary rod 6 is movably clamped in the clamping groove, one side of the rotary rod 6, which is far away from the screw 5, is movably connected with the movable rod 7, the movable rod 7 is in an inverted L shape, a lower clamping block 8 is fixedly connected above a cross bar of the movable rod 7, the top of the movable rod 7 is movably connected with a spring, the outer side of the movable rod 7 is fixedly connected with a lower clamping block 8, the size of the lower clamping block 8 is the same as that of an upper clamping block 10, a clamp 9 is movably connected above the lower clamping block 8, the clamp 9 is composed of a clamping block and a rod body, the surface of the rod body, and a spring is movably connected between the spiral pipe 13 and the spring.

An upper clamping block 10 is movably connected above the clamp 9, a first contact block 11 is fixedly connected on the outer side of the clamp 9, the first contact block 11 is electrically connected with a second contact block 12 and an electromagnet 17, when the first contact block 11 is attached to the second contact block 12, the electromagnet 17 electrically connected with the first contact block is electrified to generate magnetism, a vertical rod of a T-shaped rod is inverted outside an adsorption follow-up block 15, one side of the first contact block 11, which is far away from the clamp 9, is movably connected with the second contact block 12, the outer side of the second contact block 12 is fixedly connected with a screw pipe 13, an inner cavity of the screw pipe 13 is fixedly connected with the second contact block 12, the outer side of the screw pipe 13 is movably connected with a rotary disc 14, the outer side of the rotary disc 14 is movably connected with a pull rope, one side of the pull rope, which is far away from the rotary disc 14, is movably connected with a rotary disc on the outer side of the T-shaped rod of the follow-up block 15, a screw hole is formed in the rotary, an inverted T-shaped rod is fixedly connected to one side, away from the rotating block 16, of the follow-up block 15, a vertical rod of the inverted T-shaped rod is made of metal, a rotary disc is movably connected to the outer side of a cross rod of the inverted T-shaped rod, a spring is movably connected between the rotary disc and the vertical rod of the inverted T-shaped rod, the rotating block 16 is movably connected to the outer side of the follow-up block 15, and an electromagnet 17 is fixedly connected to one side, away from the rotating block 16, of the.

The working process and the principle of the device are as follows:

when the device is used, along with the movement of the upper die 2, the through rod of the upper die 2 moves in the lower die 1 to be worn, the closing degree of the upper die 2 and the lower die 1 is reduced, the placing stability of the upper die 2 is reduced, and the shaking condition is easy to occur, the starting device is characterized in that the output shaft drives the rotating block 16 to rotate, initially, the rotating block 16 is clamped with the follow-up block 15 to drive the rotating block to rotate, the inverted T-shaped rod on the outer side of the follow-up block 15 is not contacted with the electromagnet 17, the follow-up block 15 drives the rotating disc to rotate by driving the T-shaped rod, the rotating disc rotates by the pull rope electric rotating disc 14, the rotating disc 14 drives the solenoid 13 to move, as the solenoid 13 is movably connected with the clamp 9 through the spring, the clamp 9 is pushed to move while moving, the two clamps 9 are movably clamped on two sides of the upper die 2, the upper die 2 is clamped and fixed, the upper, the solenoid 13 drives the second contact block 12 to be close to the first contact block 11, so that the first contact block 11 is in contact with the second contact block 12, the electromagnet 17 electrically connected with the electromagnet is electrified to generate magnetism, the vertical rod of the T-shaped rod is inverted outside the follow-up block 15, the follow-up block 15 is driven to be far away from the rotating block 16, the follow-up block 15 is prevented from rotating, the two clamps 9 keep the clamping state of the upper die 2, and the stability of the upper die 2 is effectively improved.

At this moment, the rotating button 4 is rotated, the first cone pulley in the outside thereof rotates synchronously, the first cone pulley meshes with the second cone pulley in the outside of the screw rod 5 to drive the rotation thereof, the screw rod 5 moves downwards, the upper clamping block 10 moves synchronously, the screw rod 5 drives the rotary rod 6 to rotate clockwise while moving, the rotary rod 6 drives the movable rod 7 to move upwards, the lower clamping block 8 moves synchronously, the upper clamping block 10 and the lower clamping block 8 are close to each other, the upper clamping block moves to the clamping groove of the rod body of the clamp 9, the stability of the clamp 9 is increased, and therefore the stability of the upper mould 2 is ensured.

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 a device that carries out stable centre gripping to injection mold in injection molding machine, includes lower mould (1), its characterized in that: an upper die (2) is movably connected above the lower die (1), a shell (3) is fixedly connected to the outer side of the upper die (2), a knob (4) is movably connected to the surface of the shell (3), a screw rod (5) is movably connected to the outer side of the knob (4) and located in an inner cavity of the shell (3), a rotary rod (6) is movably connected to the surface of the screw rod (5), a moving rod (7) is movably connected to one side, away from the screw rod (5), of the rotary rod (6), a lower clamping block (8) is fixedly connected to the outer side of the moving rod (7), a clamp (9) is movably connected above the lower clamping block (8), an upper clamping block (10) is movably connected above the clamp (9), a first contact block (11) is fixedly connected to the outer side of the clamp (9), a second contact block (12) is movably connected to one side, away from the clamp (9), of the first contact block (11), a spiral tube (, the outer side of the spiral pipe (13) is movably connected with a rotating disc (14), a follow-up block (15) is movably connected below the rotating disc (14), the outer side of the follow-up block (15) is movably connected with a rotating block (16), and one side, far away from the rotating block (16), of the follow-up block (15) is fixedly connected with an electromagnet (17).

2. The apparatus of claim 1 for stabilizing clamping of an injection mold in an injection molding machine, wherein: the shell (3) has two and the specification is the same, the outside fixedly connected with first cone pulley of turn-button (4), and one side swing joint that the second cone pulley kept away from turn-button (4) has the second cone pulley, and the screw has been seted up to the inside of second cone pulley.

3. The apparatus of claim 1 for stabilizing clamping of an injection mold in an injection molding machine, wherein: the rotating rod (6) is movably connected with the inner wall of the shell (3), and the two ends of the rotating rod (6) are movably connected with clamping blocks.

4. The apparatus of claim 1 for stabilizing clamping of an injection mold in an injection molding machine, wherein: the movable rod (7) is in an inverted L shape, a lower clamping block (8) is fixedly connected above the cross rod of the movable rod, and the size of the lower clamping block (8) is the same as that of the upper clamping block (10).

5. The apparatus of claim 1 for stabilizing clamping of an injection mold in an injection molding machine, wherein: the fixture (9) is composed of a fixture block and a rod body, two clamping grooves with the same specification are formed in the surface of the rod body, a spiral pipe (13) is movably connected to the outer side of the rod body, and a spring is movably connected between the spiral pipe (13) and the clamp block.

6. The apparatus of claim 1 for stabilizing clamping of an injection mold in an injection molding machine, wherein: the first contact block (11) is electrically connected with the second contact block (12) and the electromagnet (17), the second contact block (12) is fixedly connected with the inner cavity of the solenoid (13), the outer side of the rotating disc (14) is movably connected with a pull rope, and a screw hole is formed in the rotating disc (14).

7. The apparatus of claim 1 for stabilizing clamping of an injection mold in an injection molding machine, wherein: one side of the follow-up block (15) far away from the rotating block (16) is fixedly connected with an inverted T-shaped rod, a vertical rod of the inverted T-shaped rod is made of metal, the outer side of a transverse rod of the inverted T-shaped rod is movably connected with a rotary table, and a spring is movably connected between the rotary table and the vertical rod of the inverted T-shaped rod.