CN213260714U

CN213260714U - Limiting device of foam molding machine

Info

Publication number: CN213260714U
Application number: CN202022110923.6U
Authority: CN
Inventors: 陈泽佳; 陈顺能
Original assignee: Longhai Yonglong Foam Packaging Co ltd
Current assignee: Longhai Yonglong Foam Packaging Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-25
Anticipated expiration: 2030-09-23

Abstract

The application relates to a limiting device of a foam molding machine, which comprises a rack provided with a mold, wherein at least one stop block is movably arranged on the peripheral side of the rack, the stop block has movement amount in the horizontal direction, and a limiting block for limiting the stop block to move upwards is arranged on the rack; when the stop block moves above the upper die, the stop block is used for limiting the upper die to move vertically upwards; when the limiting block moves to be away from the upper part of the upper die, the limit of the upper die moving in the vertical direction is released by the stop block. The application has the advantages that the probability of movement of the upper die during forming is reduced, and the effect of the forming shape of the foam product is guaranteed.

Description

Limiting device of foam molding machine

Technical Field

The application relates to the field of foam production equipment, in particular to a limiting device of a foam forming machine.

Background

Currently, foam molding machines are common devices for foam molding. The existing foam molding machine generally comprises a frame, a molding mold and a feeding box, wherein the molding mold and the feeding box are arranged on the frame; the upper die is driven by the cylinder to reciprocate up and down to realize die assembly of the upper die and the lower die so as to finish the forming work of foam, and finally, the upper die moves upwards under the action of the cylinder and pushes the formed foam out of a die cavity of the upper die through an ejection mechanism of the die. When in molding, hot steam is introduced into the die cavity to heat the raw materials, the raw materials are heated to be softened and expanded, and the expanded raw materials can fill all gaps due to the limitation of the die cavity and are bonded into a whole.

Aiming at the related technology, the foam forming machine drives the upper die to move up and down through the cylinder during forming, so that die assembly and die opening are realized. However, when the volume of the foam product is large, the expanded raw material pushes the upper mold away for a certain distance due to the small pressure of the cylinder, thereby affecting the molding shape of the foam product.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that mould emergence removed when the shaping, guarantee foam product shaping shape, this application provides a foam molding machine's stop device.

The application provides a foam molding machine's stop device adopts following technical scheme: a limiting device of a foam molding machine comprises a rack provided with a mold, wherein at least one stop block is movably arranged on the peripheral side of the rack, the stop block has a movement amount in the horizontal direction, and a limiting block used for limiting the stop block to move upwards is arranged on the rack; when the stop block moves above the upper die, the stop block is used for limiting the upper die to move vertically upwards; when the limiting block moves to a position away from the upper part of the upper die, the limit of the upper die moving in the vertical direction is released by the stop block.

By adopting the technical scheme, after the upper die and the lower die of the die are closed, the stop block slides to the upper surface of the upper die; when the raw materials in the mould foams, because the stopper has restricted the dog rebound, consequently the dog can keep static in vertical direction, and then has restricted last mould rebound to go up the probability that mould takes place to remove when reducing the shaping, guarantee foam product shaping shape. When the mold needs to be opened, the stop block is moved away from the upper part of the upper mold, so that the upper mold can be normally opened upwards.

Preferably, the rack is provided with a driving mechanism for driving the stopper to move.

Through adopting above-mentioned technical scheme, set up actuating mechanism, can conveniently control the dog and remove, raise the efficiency.

Preferably, one side of frame is provided with the installation piece, the stopper sets up the upper end at the installation piece, the level is provided with the jack on the installation piece, the dog level slides on the jack.

Through adopting above-mentioned technical scheme, the dog slides on the jack of stopper, and the stopper is located the upper portion of jack and can carries out the spacing that reciprocates to the dog.

Preferably, the driving mechanism is an air cylinder arranged on the mounting block, and a piston rod of the air cylinder is connected with one end, far away from the mold, of the stop block.

Through adopting above-mentioned technical scheme, set up the cylinder as actuating mechanism, the piston rod of cylinder can drive the dog and slide on the jack when round trip movement to control dog and slide to the cope match-plate pattern top or keep away from the cope match-plate pattern top.

Preferably, one side of frame is provided with the installation piece, the stopper sets up on one side of installation piece upper end, the dog rotates the lower surface that sets up at the stopper, the vertical setting of axis of rotation of dog.

By adopting the technical scheme, the mounting block is arranged on the rack, the stop block is rotatably arranged on the lower surface of the limiting block, and the stop block can be moved to the upper part of the upper die or be far away from the upper part of the upper die by rotating the stop block on the horizontal plane; meanwhile, the limit block can limit the stop block to move upwards.

Preferably, the stop block is connected with the mounting block through a rotating shaft, the driving mechanism is a motor arranged on the mounting block, and a motor shaft of the motor is connected with the rotating shaft.

Through adopting above-mentioned technical scheme, when motor control pivot was just reversing, can drive the dog and rotate, realize driving the dog and remove to the cope match-top die top or keep away from the cope match-top die top.

Preferably, the mounting block is adjustably arranged in the height direction of the machine frame.

By adopting the technical scheme, because the height of the die is different, the die can be suitable for upper dies at different height positions to limit by adjusting the height position of the mounting block on the frame.

Preferably, the installation piece is provided with the bar groove along its direction of height, one side of frame is provided with at least one mounting hole relative with the bar groove, the installation piece passes through bolt and nut subassembly with the frame and is connected, the bolt passes bar groove and mounting hole.

Through adopting above-mentioned technical scheme, during the regulation, can adjust about facing to the mounting hole with the bar groove, then rethread bolt and nut assembly will install piece and frame locking, can realize carrying out quick adjustment to the high position of dog.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) through the matching between the stop block and the limiting block, the stop block can be moved to the upper part of the upper die after the upper die and the lower die are assembled, and the upper die can be limited to move upwards when a foam product is formed, so that the probability of the movement of the upper die during forming is reduced, and the forming shape of the foam product is ensured;

(2) through setting up the adjustable setting of dog in the direction of height of frame for the dog can be suitable for and carry on spacingly to the last mould of co-altitude position, improves the suitability.

Drawings

Fig. 1 is a schematic structural view of a limiting device in the embodiment 1;

FIG. 2 is a side view of the position restricting device in this embodiment 1;

fig. 3 is a side view of the spacing device in this embodiment 2.

Reference numerals: 1. a frame; 2. a mold; 21. a lower die; 22. an upper die; 3. a driving cylinder; 4. a stopper; 5. a limiting block; 6. mounting blocks; 7. a jack; 8. a cylinder; 9. a strip-shaped groove; 10. a bolt and nut assembly; 11. an electric motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a limiting device of a foam molding machine, which is used for the foam molding machine for producing foam plastics.

Example 1:

referring to fig. 1 and 2, the limiting device comprises a frame 1 of a foam molding machine, a mold 2 for foam molding is mounted on the frame 1, a lower mold 21 is fixed on the frame 1, and an upper mold 22 is driven by a driving cylinder 3 to realize mold closing and mold opening.

The upper end of the frame 1 is a rectangular table, at least one stopper 4 is movably provided on the peripheral side of the table, the stopper 4 has a movement amount in the horizontal direction, and the stopper 4 moves in a direction movable above the upper die 22 and away from above the upper die 22. In this scheme, dog 4 is provided with two, and is located the relative both sides of workstation. The frame 1 is provided with limiting blocks 5 for limiting the stop blocks 4 to move upwards, and the number of the limiting blocks 5 is the same as that of the stop blocks 4.

Specifically, mounting blocks 6 are arranged on two opposite sides of the rack 1, the mounting blocks 6 extend upwards to the position above the workbench, a limiting block 5 is fixed at the upper end of the mounting blocks 6, and the limiting block 5 is not positioned above the upper surface of the upper die 22; in addition, the limiting block 5 is horizontally provided with a jack 7, the cross sections of the stop block 4 and the jack 7 are rectangular, the stop block 4 horizontally slides on the jack 7, and two ends of the stop block 4 extend out of two sides of the limiting block 5, so that the displacement of the stop block 4 in the horizontal direction is realized; meanwhile, the movement of the stop block 4 in the vertical direction can be limited due to the limit of the jack 7.

The frame 1 is provided with a driving mechanism for driving the stop block 4 to move, so that the stop block 4 is conveniently driven to move. Specifically, actuating mechanism is for setting up cylinder 8 on installation piece 6, and the piston rod of cylinder 8 is connected with the one end that mould 2 was kept away from to dog 4, and the piston rod of cylinder 8 can drive dog 4 and slide in jack 7 when concertina movement to control dog 4 and remove to last mould 22 top and leave and go up the mould 22 top.

When the two stop blocks 4 move to positions above the two sides of the upper die 22, the stop blocks 4 cannot move upwards due to the limitation of the limiting blocks 5, so that the stop blocks 4 can limit the two sides of the upper die 22 and limit the upper die 22 to move vertically upwards; when the two stoppers 4 move away from the upper side of the upper die 22, the stoppers 4 release the restriction of the movement of the upper die 22 in the vertical direction, so that the upper die 22 can normally move upward to open the die.

Because the upper dies 22 of different dies 2 are different in height position, the mounting block 6 can be adjusted in the height direction of the frame 1, and then the position of the stop block 4 is adjusted. When the mold 2 is closed, the lower surface of the stopper 4 can be attached to the upper surface of the upper mold 22, so that the upper mold 22 at different height positions can be limited.

Specifically, a strip-shaped groove 9 is formed in the mounting block 6 along the height direction of the mounting block, at least one mounting hole opposite to the strip-shaped groove 9 is formed in one side of the rack 1, the mounting holes are arranged in the vertical direction, and in the scheme, the number of the mounting holes is two, so that stable connection between the mounting block 6 and the rack 1 is guaranteed. In addition, the mounting block 6 is fixedly connected with the rack 1 through a bolt and nut assembly 10, after the positions of the mounting block 6 and the stop block 4 are adjusted in the vertical direction, the bolt penetrates through the strip-shaped groove 9 and the mounting hole and then is locked with the nut, and therefore the height position of the stop block 4 is adjusted.

Example 2:

referring to fig. 3, this embodiment is different from embodiment 1 in a stopper 5 and a driving mechanism, the stopper 5 is fixed on one side of an upper end of a mounting block 6, and the stopper 5 is not located above an upper surface of an upper die 22; dog 4 rotates to be connected at the lower surface of stopper 5, and dog 4 is connected through the pivot with installation piece 6, and the vertical setting of the axis of rotation of dog 4. The stopper 4 may move above the upper die 22 or move away from above the upper die 22 during the rotation, and the stopper 4 may restrict the stopper 4 from moving upward.

The driving mechanism is a motor 11 arranged on the mounting block 6, the motor 11 selects a servo motor, a motor shaft of the motor 11 is connected with the rotating shaft, the stop block 4 is driven to rotate through the motor 11, and the stop block 4 is controlled to move to the position above the upper die 22 and leave the position above the upper die 22.

The implementation principle of the limiting device of the foam molding machine is as follows: after the mold 2 is closed, the driving mechanism controls the stop block 4 to move above two sides of the upper mold 22, so that the upper mold 22 can be limited in moving in the vertical direction, the upper mold 22 cannot be upwards jacked open when raw materials in the mold cavity expand, the probability of movement of the upper mold 22 during forming is reduced, and the forming shape of a foam product is guaranteed.

After the foam product is formed, the stop block 4 is controlled to move through the driving mechanism, so that the stop block 4 is away from the upper part of the upper die 22, the movement limitation of the upper die 22 in the vertical direction is removed, and the die can be opened.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stop device of foam molding machine which characterized in that: the die comprises a rack (1) provided with a die (2), wherein at least one stop block (4) is movably arranged on the peripheral side of the rack (1), the stop block (4) has a movement amount in the horizontal direction, and a limiting block (5) used for limiting the stop block (4) to move upwards is arranged on the rack (1);

when the stop block (4) moves above the upper die (22), the stop block (4) is used for limiting the upper die (22) to move vertically upwards;

when the limiting block (5) moves to a position away from the upper part of the upper die (22), the stop block (4) releases the limitation of the movement of the upper die (22) in the vertical direction.

2. The limit device of a foam-forming machine according to claim 1, characterized in that: the rack (1) is provided with a driving mechanism for driving the stop block (4) to move.

3. A stop device for a foam-forming machine according to claim 2, characterized in that: one side of frame (1) is provided with installation piece (6), stopper (5) set up the upper end at installation piece (6), installation piece (6) are improved level and are provided with jack (7), dog (4) level slides on jack (7).

4. A stop device for a foam-forming machine according to claim 3, characterized in that: the driving mechanism is an air cylinder (8) arranged on the mounting block (6), and a piston rod of the air cylinder (8) is connected with one end, far away from the mold (2), of the stop block (4).

5. A stop device for a foam-forming machine according to claim 2, characterized in that: one side of frame (1) is provided with installation piece (6), stopper (5) set up on one side of installation piece (6) upper end, dog (4) rotate the lower surface that sets up at stopper (5), the vertical setting of axis of rotation of dog (4).

6. A restraining device for a foam-forming machine according to claim 5, characterised in that: the stop block (4) is connected with the mounting block (6) through a rotating shaft, the driving mechanism is a motor (11) arranged on the mounting block (6), and a motor shaft of the motor (11) is connected with the rotating shaft.

7. A stop device for a foam-forming machine according to any one of claims 3 to 6, characterized in that: the mounting block (6) is arranged in the height direction of the rack (1) in an adjustable mode.

8. The position limiter of foam-forming machine according to claim 7, wherein: installation piece (6) are provided with bar groove (9) along its direction of height, one side of frame (1) is provided with at least one mounting hole relative with bar groove (9), installation piece (6) are connected through bolt and nut subassembly (10) with frame (1), the bolt passes bar groove (9) and mounting hole.