CN214056245U - Internal shrinkage die for plastic machine - Google Patents

Abstract

The utility model discloses a shrink mould in plastic machine belongs to the plastic machine field, the pedestal comprises a pedestal, the inside fluting that is equipped with in pedestal center, the inside spacing groove that is equipped with of opening of fluting left and right sides pedestal lower extreme, the inside fixed mounting of spacing groove has slide bar A, the sliding sleeve has been cup jointed in the activity of slide bar A outer wall, the fixed cup joint of slide bar A outer wall in the sliding sleeve outside has spring A, the sliding sleeve lower extreme runs through spacing groove fixed mounting and has the fixed block, the inside opening of fixed block lower extreme is equipped with slot A, the inside cartridge of slot A has the inserted block, the inside spiral shell groove A that is equipped with of opening in the inserted block outside, the inside spiral shell groove B that is equipped with of fixed block in the slot A outside, the inside commentaries on classics of spiral shell groove A. Through setting up embedded fixed knot structure, limit structure and elastic expansion structure, improved the practicality of mould.

Description

Internal shrinkage die for plastic machine

Technical Field

The utility model relates to a plastic machine technical field especially relates to a shrink mould in plastic machine.

Background

The plastic molding machine is a tool which is matched with a plastic molding machine in the plastic processing industry and endows a plastic product with complete configuration and accurate size.

Patent CN201711052331.X discloses a plastic mould for on five metals punching machine, and this mould is imperfect to prior art, and this equipment can't carry out more automated control to the inside component of equipment through mechanical transmission, increases the degree of difficulty of using, and through aggregate unit, this equipment can carry out more automated control to the inside component of equipment through mechanical transmission, reduces the degree of difficulty of using, improves the convenience of using.

The mould has the following defects: 1. the mould has poor retraction effect, which reduces the production effect, leads the product not to reach the expected effect and reduces the practicability of the mould. 2. The die head of the die is not convenient to replace, and the die can be processed on different dies when different products are required to be produced, so that the cost is increased, and the practicability of the die is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an internal shrinkage die for plastic machine, which aims to adopt a limit structure and an elastic expansion structure, when a plastic machine is needed to be used for production, a top plate is extruded downwards by external pressure equipment to enable the top plate to slide downwards on the outer wall of a slide bar B, a die post installed at the lower end is driven to downwards penetrate through a slotted hole and move into die grooves at two sides, the lower diameter opening of the die groove is much smaller than the diameter opening of the die post, thereby the outer module is extruded towards the outer parts of two sides when the die post moves downwards, the outer modules at two sides move outwards to drive a fixed block of a fixed plug-in block to move outwards in the limit groove, a sliding sleeve is driven to move outwards on the outer wall of the slide bar A, thereby a spring A is extruded, the spring A is extruded and contracted to deform to convert kinetic energy into elastic potential energy, thereby the sliding sleeve is extruded towards the inner side relatively, thereby the outer modules clip the die post inwards, thereby injecting plastic into a hole between the die groove and the die post, more stable and reach the effect that contracts in, mould plastics the completion with the product and can take out, improved the practicality of mould.

Through the embedded fixing structure, when different products are required to be produced, the bolt A is manually rotated outwards and is meshed with threads cut on the inner walls of the thread groove A and the thread groove B through the outer wall, so that the bolt A is rotated outwards and taken out, the outer module is pulled downwards directly to drive the insert block to move downwards and separate from the insert groove A, and then the bolt A can be disassembled, the insert block at the upper end of the outer module with the required production type and size is aligned with the insert groove A, the insert block is inserted upwards to align the thread groove A with the thread groove B, the bolt A is rotated inwards to complete the installation of the replaced outer module, then the bolt B is rotated outwards at two sides to be meshed with the thread grooves C and the thread groove D through the outer wall cut thread, so that the bolt B is moved outwards and taken out, the mold column is pulled downwards directly to drive the insert plate to move downwards and separate from the insert groove B matched with the insert groove B, and the insert plate at the upper end of the mold column corresponding to the insert groove B upwards, the screw groove C is aligned with the screw groove D, the screw bolt B is rotated to enter the screw groove C, replacement can be completed, cost is saved, and practicability of the die is improved.

The utility model provides a specific technical scheme as follows:

the utility model provides an internal contracting mould for plastic machine, which comprises a pedestal, wherein a groove is arranged in the center of the pedestal, a limit groove is arranged in the lower end of the pedestal at the left side and the right side of the groove, a slide bar A is fixedly arranged in the limit groove, a slide sleeve is movably sleeved on the outer wall of the slide bar A, a spring A is fixedly sleeved on the outer wall of the slide sleeve outside the slide sleeve, the lower end of the slide sleeve penetrates through the limit groove and is fixedly provided with a fixed block, a slot A is arranged in the lower end of the fixed block, an insert block is inserted in the slot A, a thread groove A is arranged in the insert block outside, a thread groove B is arranged in the fixed block outside the slot A, a bolt A is arranged in the thread groove A and the thread groove B in a rotating manner, an external module is fixedly arranged at the lower end of the insert block, a mould groove is arranged in the internal side of the external module, and slide bars B are fixedly arranged at four corners of the outer wall at the upper side of the pedestal, slide bar B upper end outer wall movable sleeve is equipped with the roof, roof downside slide bar B outer wall is fixed to have cup jointed spring B, roof center lower extreme outer wall fixed mounting has the fixed plate, the inside slot B that is equipped with of opening of fixed plate lower extreme, the inside cartridge of slot B has the picture peg, the inside spiral shell groove C that is equipped with of opening of picture peg left and right sides, the inside spiral shell groove D that is equipped with of opening of the solid fixed plate in the slot B outside, the inside bolt B that is equipped with of commentaries on classics of spiral shell groove C and spiral shell groove D, picture peg lower extreme fixed mounting has the model post.

Optionally, the size of the limiting groove is matched with the size of the fixing block to form a limiting mechanism.

Optionally, the sliding sleeve is fixedly connected with one end of the spring a, and the other end of the spring a is fixedly connected with the inner wall of the limiting groove to form an elastic telescopic structure.

Optionally, the size of the slot a is matched with the size of the insert block to form an embedded fixing structure.

Optionally, the size of the slot B is matched with the size of the slot to form an embedded fixing structure.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides an internal shrinkage die for plastic machine, through limit structure and elastic telescopic structure, when needing to use the plastic machine to carry out production, extrude the roof downwards through external pressure equipment and make it slide downwards at slide bar B outer wall, drive the post of lower extreme installation to run through the fluting downwards and move to the die cavity of both sides, the lower footpath mouth of die cavity is much less than the post footpath mouth, thereby extrude the outer module to both sides outside when making the post move downwards, make the outer module of both sides move outwards and drive the fixed block of fixed inserted block to move outwards in the limit groove, drive the sliding sleeve to move outwards at slide bar A outer wall, thereby extrude spring A, spring A receives extrusion contraction deformation and converts kinetic energy into elastic potential energy, thereby relative inside side extrusion sliding sleeve, thereby make the outer module tightly clip the post inwards, thereby pour the plastic into the hole between die cavity and the post, more stable and reach the effect that contracts in, mould plastics the completion with the product and can take out, improved the practicality of mould.

2. Through the embedded fixing structure, when different products are required to be produced, the bolt A is manually rotated outwards and is meshed with threads cut on the inner walls of the thread groove A and the thread groove B through the outer wall, so that the bolt A is rotated outwards and taken out, the outer module is pulled downwards directly to drive the insert block to move downwards and separate from the insert groove A, and then the bolt A can be disassembled, the insert block at the upper end of the outer module with the required production type and size is aligned with the insert groove A, the insert block is inserted upwards to align the thread groove A with the thread groove B, the bolt A is rotated inwards to complete the installation of the replaced outer module, then the bolt B is rotated outwards at two sides to be meshed with the thread grooves C and the thread groove D through the outer wall cut thread, so that the bolt B is moved outwards and taken out, the mold column is pulled downwards directly to drive the insert plate to move downwards and separate from the insert groove B matched with the insert groove B, and the insert plate at the upper end of the mold column corresponding to the insert groove B upwards, the screw groove C is aligned with the screw groove D, the screw bolt B is rotated to enter the screw groove C, replacement can be completed, cost is saved, and practicability of the die is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front sectional view of an inner shrinking mold for a plastic machine according to an embodiment of the present invention;

fig. 2 is a schematic view of a partially enlarged structure a in fig. 1 of an inner shrinking mold for a plastic machine according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure B in fig. 1 of an inner shrinking mold for a plastic machine according to an embodiment of the present invention.

In the figure: 1. a pedestal; 2. grooving; 3. a limiting groove; 4. a slide bar A; 5. a sliding sleeve; 6. a spring A; 7. a fixed block; 8. a slot A; 9. inserting a block; 10. a thread groove A; 11. a thread groove B; 12. a bolt A; 13. an outer module; 14. a die cavity; 15. a slide bar B; 16. a top plate; 17. a spring B; 18. a fixing plate; 19. a slot B; 20. inserting plates; 21. a thread groove C; 22. a thread groove D; 23. a bolt B; 24. and (5) forming a column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The inner shrinking mold for plastic machine according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, an inner shrinking mold for plastic machines according to an embodiment of the present invention includes a pedestal 1, a slot 2 is opened in a center of the pedestal 1, a limiting groove 3 is opened in lower ends of the pedestal 1 on left and right sides of the slot 2, a slide bar a4 is fixedly installed in the limiting groove 3, a sliding sleeve 5 is movably sleeved on an outer wall of the slide bar a4, a spring A6 is fixedly sleeved on an outer wall of a slide bar a4 outside the sliding sleeve 5, a fixing block 7 is fixedly installed at a lower end of the sliding sleeve 5 through the limiting groove 3, a slot a8 is opened in a lower end of the fixing block 7, a plug block 9 is inserted in the slot a8, a screw groove a10 is opened in an outer side of the plug block 9, a screw groove B11 is opened in the fixing block 7 outside the slot a8, a bolt a12 is rotatably installed in the screw groove a10 and a 11, an outer module 13 is fixedly installed at a lower end of the plug block 9, a mold groove 14 is opened in an inner side of the outer module 13, four corners of an upper outer wall of the pedestal 1 is fixedly installed with a slide bar 15, the outer wall of the upper end of the sliding rod B15 is movably sleeved with a top plate 16, the outer wall of the sliding rod B15 at the lower side of the top plate 16 is fixedly sleeved with a spring B17, the outer wall of the lower end of the center of the top plate 16 is fixedly provided with a fixing plate 18, the inner part of the lower end of the fixing plate 18 is provided with a slot B19, an inserting plate 20 is inserted into the slot B19, the inner parts of the left side and the right side of the inserting plate 20 are provided with screw grooves C21, the inner part of the fixing plate 18 at the outer side of the slot B19 is provided with a screw groove D22, bolts B23 are arranged inside the screw grooves C21 and the screw groove D22 in a rotating mode, and the lower end of the inserting plate 20 is fixedly provided with a mold column 24.

Referring to fig. 1 and 2, the size of the limiting groove 3 and the size of the fixed block 7 are matched with each other to form a limiting mechanism, when a plastic molding machine is required to be used for production, the top plate 16 is pressed downwards by an external pressure device to slide downwards on the outer wall of the sliding rod B15, the die posts 24 mounted at the lower ends are driven to downwards penetrate through the slots 2 and move into the die grooves 14 at both sides, the lower diameter openings of the die grooves 14 are much smaller than the diameter openings of the die posts 24, so that the die posts 24 move downwards and simultaneously press the outer die blocks 13 towards the outside at both sides, the outer die blocks 13 at both sides move outwards to drive the fixed blocks 7 of the fixed plug blocks 9 to move outwards in the limiting groove 3, the sliding sleeve 5 is driven to move outwards on the outer wall of the sliding rod a4, the spring a6 is pressed, the spring a6 is compressed and deformed to convert kinetic energy into elastic potential energy, so that the sliding sleeve 5 is relatively pressed inwards to tightly clamp the die posts 24 by the outer die blocks 13, thereby pour into the plastic into the hole between die cavity 14 and the post 24, more stable and reach the effect that contracts in, mould plastics the completion with the product and can take out, improved the practicality of mould.

Referring to fig. 1 and 2, the sliding sleeve 5 is fixedly connected to one end of a spring a6, the other end of the spring a6 is fixedly connected to the inner wall of the limiting groove 3, so as to form an elastic telescopic structure, when a plastic molding machine is required to be used for production, the top plate 16 is pressed downwards by an external pressure device to slide downwards on the outer wall of the sliding rod B15, the mold pillar 24 mounted at the lower end is driven to downwards penetrate through the slot 2 to move into the mold grooves 14 at both sides, the lower diameter opening of the mold groove 14 is much smaller than the diameter opening of the mold pillar 24, so that the mold pillar 24 presses the outer mold blocks 13 outwards at both sides while moving downwards, the outer mold blocks 13 at both sides move outwards to drive the fixing blocks 7 of the fixing plug block 9 to move outwards in the limiting groove 3, the sliding sleeve 5 is driven to move outwards on the outer wall of the sliding rod a4, so as to press the spring a6, the spring a6 is subjected to compression deformation to convert kinetic energy into elastic potential energy, so as to relatively press the sliding sleeve 5 inwards, thereby make outer module 13 tightly to inside clip the post 24 to pour into the plastic into the hole between die cavity 14 and the post 24, more stable and reach the effect of contracting in, mould plastics the completion with the product and can take out, improved the practicality of mould.

Referring to fig. 1 and 2, the size of the slot A8 is matched with the size of the insert 9 to form an embedded fixing structure, when different products are required to be produced, the bolt a12 is manually rotated outwards to be meshed with the threads cut on the inner walls of the thread groove a10 and the thread groove B11 through the threads cut on the outer walls, so that the bolt a12 is rotated outwards to be taken out, the outer die block 13 is pulled downwards directly to drive the insert 9 to move downwards and separate from the slot A8, so that the insert can be disassembled, the insert 9 at the upper end of the outer die block 13 of the model size to be produced is aligned with the slot A8, the insert is upwards to align the thread groove a10 and the thread groove B11, the bolt a12 is used to rotate inwards to complete the installation of the replaced outer die block 13, then the bolt B23 is rotated outwards to be meshed with the threads cut on the inner walls of the thread groove C21 and the thread groove D22 through the threads cut on the outer walls, so that the bolt B23 moves outwards to be taken out, and the insert 20 is pulled downwards to be separated from the slot B19 matched with the inner wall of the die column 24, the inserting plate 20 at the upper end of the die column 24 corresponding to the outer die block 13 is aligned with the slot B19 and is inserted upwards, so that the thread groove C21 is aligned with the thread groove D22, and the bolt B23 is used for rotating to enter, thus the replacement can be completed, the cost is saved, and the practicability of the die is improved.

Referring to fig. 1 and 3, the size of the slot B19 is matched with the size of the insert plate 20 to form an embedded fixing structure, when different products are required to be produced, the bolt a12 is manually rotated outwards to be meshed with the threads cut on the inner walls of the thread groove a10 and the thread groove B11, so that the bolt a12 is rotated outwards to be taken out, the outer module 13 is pulled downwards directly to drive the insert 9 to move downwards and separate from the slot A8, so that the insert can be disassembled, the insert 9 at the upper end of the outer module 13 of the model size to be produced is aligned with the slot A8, the insert is inserted upwards to align the thread groove a10 with the thread groove B11, the bolt a12 is used to rotate inwards to complete the installation of the replaced outer module 13, then the bolt B23 is rotated outwards to two sides to be meshed with the threads cut on the outer walls of the thread groove C21 and the thread groove D22, so that the bolt B23 moves outwards to be taken out, the insert plate 24 is pulled downwards to be matched with the slot B19, the inserting plate 20 at the upper end of the die column 24 corresponding to the outer die block 13 is aligned with the slot B19 and is inserted upwards, so that the thread groove C21 is aligned with the thread groove D22, and the bolt B23 is used for rotating to enter, thus the replacement can be completed, the cost is saved, and the practicability of the die is improved.

The embodiment of the utility model provides a shrink-in mould for plastic machine, when needs use the plastic machine to produce, extrude roof 16 downwards through external pressure equipment and make it slide downwards at slide bar B15 outer wall, drive the post 24 of lower extreme installation to run through fluting 2 downwards and remove to the die cavity 14 of both sides, the lower footpath mouth of die cavity 14 is than the much littleer of post 24 footpath mouth, thereby extrude outer module 13 to both sides outside when making post 24 move downwards, make the outer module 13 of both sides move outwards and drive fixed block 7 of fixed inserted block 9 and move outwards in spacing groove 3, drive sliding sleeve 5 and outwards move at slide bar A4 outer wall, thereby extrude spring A6, spring A6 receives extrusion contraction deformation and converts kinetic energy into elastic potential energy, thereby relative inside side extrudes sliding sleeve 5, thereby make outer module 13 tightly clip post 24 inwards, thereby pour into the hole between die cavity 14 and post 24 with the plastic, more stable and reaching the retraction effect, when different products are required to be produced, the bolt A12 is manually rotated outwards to be meshed with the threads cut on the inner walls of the thread groove A10 and the thread groove B11 through the threads cut on the outer wall, the bolt A12 is rotated outwards to be taken out, the outer module 13 is directly pulled downwards to drive the insert block 9 to move downwards and separate from the insert groove A8, the insert block 9 at the upper end of the outer module 13 with the required production model size is aligned with the insert groove A8 and inserted upwards to align the thread groove A10 with the thread groove B11, the bolt A12 is used to rotate inwards to enter, the replaced outer module 13 can be installed, then the bolt B23 is rotated outwards to two sides to be meshed with the threads cut on the outer wall, the thread groove C21 and the threads cut on the inner wall of the thread groove D22, the bolt B23 is moved outwards to be taken out, the mold pillar 24 is directly pulled downwards to drive the insert plate 20 to move downwards and separate from the insert groove B19 matched with the insert plate, the insert plate 20 at the upper end of the mold pillar 24 corresponding to the outer mold piece 13 is inserted upward in alignment with the slot B19 so that the screw groove C21 and the screw groove D22 are aligned, and then rotated by using the bolt B23 to complete the replacement.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a contract mould in plastic machine, a serial communication port, the mould includes pedestal (1), pedestal (1) center inside is opened and is equipped with fluting (2), fluting (2) left and right sides pedestal (1) lower extreme inside is opened and is equipped with spacing groove (3), spacing groove (3) inside fixed mounting has slide bar A (4), slide bar A (4) outer wall activity has cup jointed sliding sleeve (5), sliding sleeve (5) outside slide bar A (4) outer wall is fixed and has cup jointed spring A (6), sliding sleeve (5) lower extreme runs through spacing groove (3) fixed mounting has fixed block (7), fixed block (7) lower extreme inside is opened and is equipped with slot A (8), inside cartridge of slot A (8) has inserted block (9), inside the opening in the inserted block (9) outside is equipped with spiral shell groove A (10), inside the opening of slot A (8) outside fixed block (7) is equipped with spiral shell groove B (11), the utility model discloses a bolt, including bolt A (12) and insert block (9), insert block (9) lower extreme fixed mounting has outer module (13), outer module (13) inboard inside division is equipped with chase (14), pedestal (1) upside outer wall four corners fixed mounting has slide bar B (15), slide bar B (15) upper end outer wall movable sleeve is equipped with roof (16), roof (16) downside slide bar B (15) outer wall is fixed to have cup jointed spring B (17), roof (16) center lower extreme outer wall fixed mounting has fixed plate (18), slot B (19) are equipped with to inside division of fixed plate (18) lower extreme, slot B (19) inside cartridge has picture peg (20), inside division of picture peg (20) left and right sides is equipped with chase C (21), inside division of slot B (19) outside fixed plate (18) is equipped with chase D (22), the bolt B (23) is arranged in the screw groove C (21) and the screw groove D (22) in a rotating mode, and the lower end of the inserting plate (20) is fixedly provided with a mold column (24).

2. The retracting die for plastic machine according to claim 1, wherein the size of the limiting groove (3) is matched with the size of the fixing block (7) to form a limiting mechanism.

3. The retracting mold for plastic machine according to claim 1, wherein the sliding sleeve (5) is fixedly connected with one end of the spring A (6), and the other end of the spring A (6) is fixedly connected with the inner wall of the limiting groove (3) to form an elastic telescopic structure.

4. The retracting mold for plastic machine according to claim 1, wherein the size of the slot a (8) and the size of the insert block (9) are matched to form an embedded fixing structure.

5. The retracting die for plastic machine according to claim 1, wherein the size of the slot B (19) is matched with the size of the insert plate (20) to form an embedded fixing structure.

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