CN110252817B

CN110252817B - Extrusion forming die

Info

Publication number: CN110252817B
Application number: CN201910700503.2A
Authority: CN
Inventors: 黄伟; 黄战
Original assignee: Shenzhen Mingjiang Mould Co Ltd
Current assignee: Shenzhen Mingjiang Mould Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-02-07
Anticipated expiration: 2039-07-31
Also published as: CN110252817A

Abstract

The invention discloses an extrusion forming die, which relates to the technical field of forming dies and comprises a forming convex roller, two threaded sleeves with steps, two linkage shaft plates, a first supporting rotating assembly, a second supporting rotating assembly and a rotatable threaded shaft, wherein the two threaded sleeves with steps are embedded and installed at the two horizontal ends of the forming convex roller, the two linkage shaft plates are fixedly installed at the two horizontal ends of the forming convex roller and respectively press the threaded sleeves at the two ends. The extrusion forming die provided by the invention can conveniently and quickly adjust the forming angle of the forming convex roller, so that the purpose that one extrusion forming die can meet the production and processing of various forming structural materials is realized, and the die has higher adjustability and applicability and higher utilization rate.

Description

Extrusion forming die

Technical Field

The invention relates to the technical field of forming dies, in particular to an extrusion forming die.

Background

In order to realize rapid and mass production, in modern manufacturing industry, mold machining just meets the requirements of rapid and mass production, so that mass production and machining through a mold are widely applied, and the mold is mainly used for realizing rapid molding and has various molding modes, such as stamping molding, injection molding, casting molding, extrusion molding and the like.

The extrusion molding mode is mainly to match the molding die to achieve the purpose of molding by applying extrusion force with certain strength, for example, a plate rolling machine is also one of the extrusion molding devices, a traditional extrusion molding structure is generally fixed and unadjustable, namely, the traditional extrusion molding structure is designed specifically, only one extrusion molding process can be completed, the humanization is not enough, more molding dies are required to be processed, the resource waste is caused, the replacement and installation for many times are also faced, and the trouble is increased to a certain extent.

The invention provides an extrusion forming die for solving the problems.

Disclosure of Invention

The present invention provides an extrusion molding die to solve the above-mentioned problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: an extrusion forming die comprises a forming convex roller, two thread sleeves with steps, two linkage shaft plates, a first support rotating assembly, a second support rotating assembly and a rotatable thread shaft, wherein the two thread sleeves are embedded and installed at the two horizontal ends of the forming convex roller, the two linkage shaft plates are fixedly installed at the two horizontal ends of the forming convex roller and respectively press the two ends of the thread sleeves, the linkage shaft plates are positioned at the same side of the first support rotating assembly and can horizontally slide in the first support rotating assembly, the linkage shaft plates are positioned at the same side of the second support rotating assembly and can horizontally slide in the second support rotating assembly, the forming convex roller comprises two ends, a plurality of first convex roller lobes hinged with one end, a plurality of second convex roller lobes hinged with the other end and two inner support connecting assemblies, and the first convex roller lobes and the second convex roller lobes are hinged one by one to one, a protruding roller lamella with the contained angle homogeneous phase of the relative vertical direction of No. two protruding roller lamellas is the same, a pair of articulated a protruding roller lamella with the cross-section that No. two protruding roller lamellas constitute is the V type, one of them interior bracing coupling assembling is articulated to be installed every on a protruding roller lamella inside wall, another interior bracing coupling assembling is articulated to be installed every on the inside wall of No. two protruding roller lamellas, two interior bracing coupling assembling all with but change screw thread axle sliding connection, but the center pin of rotatory screw thread axle with a support runner assembly, No. two support runner assembly, two the center pin of interlock axle plate, two thread bush and shaping protruding roller is the collineation all, but change screw thread axle and two thread bush threaded connection, and two the screw thread of thread bush turns to opposite setting, but change screw thread axle and a support runner assembly, The second support rotating assembly is rotatably connected, and the two threaded sleeves are respectively embedded into the outer ends of the two ends.

Preferably, the inner support connecting assembly comprises a plurality of groups of connecting sleeves, springs arranged in each group of connecting sleeves and sliding sleeves horizontally and slidably connected with the rotatable threaded shafts, each group of connecting sleeves comprises two oppositely arranged connecting sleeves, the springs are fixedly connected between the two connecting sleeves in each group, and the number of the groups of connecting sleeves is the same as the number of the first convex roller lobes or the second convex roller lobes; one of the connecting sleeves in each group of connecting sleeves in one of the internal support connecting assemblies is hinged with the inner side wall of each first convex roller lobe in a one-to-one correspondence manner, and the other connecting sleeve is hinged with the sliding sleeve; one of the connecting sleeves in each group of the connecting sleeves in the other inner support connecting assembly is hinged with the inner side wall of each second convex roller lobe in a one-to-one correspondence mode, and the other connecting sleeve is hinged with the sliding sleeve.

Preferably, the first supporting and rotating assembly comprises a first convex sleeve and a toothed bearing fixedly installed in the first convex sleeve, the threaded sleeve and the first convex sleeve which are located on the same side are in sliding connection, the toothed bearing comprises a bearing portion fixedly installed in the first convex sleeve and an end gear integrally connected with the bearing portion and located outside, and the rotatable threaded shaft is in rotating connection with the bearing portion.

Preferably, the second support rotating assembly comprises a second convex sleeve and a built-in bearing fixedly installed in the second convex sleeve, the threaded sleeve and the second convex sleeve which are located on the same side are in sliding connection, and the rotatable threaded shaft is in rotating connection with the built-in bearing.

Preferably, a plurality of first shaft sleeves are arranged on the end face of the inner side of the first convex sleeve, and a plurality of second shaft sleeves are arranged on the end face of the inner side of the second convex sleeve.

Preferably, the linkage shaft plate comprises a head plate fixedly installed on the end head and a plurality of linkage pin shafts vertically arranged relative to the surface of the head plate, the plurality of linkage pin shafts of the linkage shaft plate positioned on the same side of the first convex sleeve can be slidably inserted into the first shaft sleeve in a one-to-one correspondence manner, and the plurality of linkage pin shafts of the linkage shaft plate positioned on the same side of the second convex sleeve can be slidably inserted into the second shaft sleeve in a one-to-one correspondence manner.

The technical scheme has the following advantages or beneficial effects:

the invention provides an extrusion forming mold, which is specially designed for a forming convex roller, wherein a plurality of first convex roller lobes and second convex roller lobes corresponding to the first convex roller lobes are arranged in a forming convex roller mechanism, the first convex roller lobes and the second convex roller lobes are hinged one by one, two inner support connecting pieces are arranged in the forming convex roller, the strength, the stability, the toughness and the reliability of the forming convex roller structure are improved, in addition, a hand wheel is rotated to drive two thread sleeves to move towards or away from each other by adjusting a thread shaft, so that the first convex roller lobes and the second convex roller lobes are pushed or pulled to adjust the included angle between the first convex roller lobes and the second convex roller lobes, the adjustment of the forming angle of the forming convex roller mechanism can be realized, the compression forming angle can be conveniently and quickly adjusted in the actual extrusion forming production process, and therefore, one extrusion forming mold can meet the production and processing purposes of various forming structural materials, the mould has higher adjustability and applicability and higher utilization rate.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a schematic cross-sectional view of an extrusion molding die provided in the present invention;

FIG. 2 is a schematic perspective view of a forming convex roller according to the present invention;

FIG. 3 is a schematic perspective view of a half of a forming roll of the present invention having a first lobe therein;

FIG. 4 is a schematic perspective view of a half structure of a forming convex roller of the present invention, wherein the half structure comprises a second convex roller lobe.

In the figure: 1. forming a convex roller; 11. a tip; 12. a first convex roller lobe; 13. a second convex roller lobe; 14. an inner support connecting component; 141. connecting sleeves; 142. a spring; 143. a sliding sleeve; 2. a threaded sleeve; (ii) a 3. A linkage shaft plate; 31. a head sealing plate; 32. a pin shaft is linked; 4. a first support rotating assembly; 41. a first convex sleeve; 411. a first shaft sleeve; 42. a toothed bearing; 421. a bearing portion; 422. a tip gear; 5. a second support rotating assembly; 51. a second convex sleeve; 511. a second shaft sleeve; 52. a bearing is arranged inside; 6. a rotatable threaded shaft; 61. adjusting the threaded shaft; 611. a polished rod shaft; 62. a handwheel.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

As shown in fig. 1 to 4, the extrusion forming mold provided by the present invention comprises a forming convex roller 1, two stepped thread sleeves 2 embedded at two horizontal ends of the forming convex roller 1, two linking shaft plates 3 fixedly installed at two horizontal ends of the forming convex roller 1 and respectively pressing the thread sleeves 2 at two ends, a first supporting rotating assembly 4, a second supporting rotating assembly 5 and a rotatable thread shaft 6, wherein the linking shaft plate 3 located at the same side of the first supporting rotating assembly 4 can horizontally slide in the first supporting rotating assembly 4, the linking shaft plate 3 located at the same side of the second supporting rotating assembly 5 can horizontally slide in the second supporting rotating assembly 5, the forming convex roller 1 comprises two end heads 11, four first convex roller lobes 12 uniformly distributed and hinged with one end head 11, four second convex roller 13 uniformly distributed and hinged with the other end head 11, and two inner supporting connecting assemblies 14, four first convex roller lobes 12 and four second convex roller lobes 13 are hinged in a one-to-one correspondence manner, included angles of the first convex roller lobes 12 and the second convex roller lobes 13 in the vertical direction are the same, the cross sections formed by the first convex roller lobes 12 and the second convex roller lobes 13 are V-shaped, one inner support connecting assembly 14 is hinged to the inner side wall of each first convex roller lobe 12, the other inner support connecting assembly 14 is hinged to the inner side wall of each second convex roller lobe 13, the two inner support connecting assemblies 14 are connected with a rotatable threaded shaft 6 in a sliding manner, the central shaft of the rotatable threaded shaft 6 is connected with the first support rotating assembly 4, the second support rotating assembly 5, the two linkage shaft plates 3, the central shafts of the two threaded sleeves 2 and the forming convex roller 1 are collinear, the rotatable threaded shaft 6 is connected with the two threaded sleeves 2 in a threaded manner, the thread turning directions of the two threaded sleeves 2 are opposite, and the rotatable threaded shaft 6 is connected with the first support rotating assembly 4, the second support rotating assembly 4, The second support rotating assembly 5 is rotatably connected, and the two threaded sleeves 2 are respectively embedded and installed at the outer side ends of the two end heads 11.

Further, the inner support connecting assembly 14 includes four sets of connecting sleeves 141, a spring 142 disposed in each set of connecting sleeves 141, and a sliding sleeve 143 horizontally slidably connected to the rotatable threaded shaft 6, each set of connecting sleeves 141 includes two oppositely disposed connecting sleeves 141, and the spring 142 is fixedly connected between the two connecting sleeves 141 of each set; one connecting sleeve 141 in each group of connecting sleeves 141 in one internal support connecting assembly 14 is hinged with the inner side wall of each first convex roller flap 12 in a one-to-one correspondence manner, and the other connecting sleeve 141 is hinged with the sliding sleeve 143; one connecting sleeve 141 in each group of connecting sleeves 141 in the other inner support connecting assembly 14 is hinged with the inner side wall of each second convex roller flap 13 in a one-to-one correspondence manner, and the other connecting sleeve 141 is hinged with the sliding sleeve 143. The extrusion force is exerted to shaping convex roller 1 in the extrusion forming course of working, and the major structure of shaping convex roller 1 in this mould is the hollow structure of a convex roller lamella 12 and the articulated constitution of No. two convex roller lamellas 13, and the setting of two internal stay coupling assembling 14 can provide effective internal stay throughout in a convex roller lamella 12 and No. two convex roller lamella 13 contained angles are adjusted and the extrusion forming course of working, has guaranteed the intensity of shaping convex roller 1 structure, stability, toughness and reliability.

Further, the first supporting and rotating assembly 4 includes a first convex sleeve 41 and a toothed bearing 42 fixedly installed in the first convex sleeve 41, the threaded sleeve 2 on the same side is slidably connected with the first convex sleeve 41, the toothed bearing 42 includes a bearing portion 421 fixedly installed in the first convex sleeve 41 and an end gear 422 integrally connected with the bearing portion 421 and located on the outside, and the rotatable threaded shaft 6 is rotatably connected with the bearing portion 421. The second supporting and rotating assembly 5 comprises a second convex sleeve 51 and a built-in bearing 52 fixedly installed in the second convex sleeve 51, the threaded sleeve 2 positioned on the same side is slidably connected with the second convex sleeve 51, and the rotatable threaded shaft 6 is rotatably connected with the built-in bearing 52. The first support rotating assembly 4 and the second support rotating assembly 5 are mainly used for providing a limit rotating support for the rotatable threaded shaft 6.

Furthermore, four first shaft sleeves 411 are uniformly arranged on the inner side end face of the first convex sleeve 41, and four second shaft sleeves 511 are uniformly arranged on the inner side end face of the second convex sleeve 51. The linkage shaft plate 3 comprises a head plate 31 fixedly installed on the end head 11 and four linkage pin shafts 32 uniformly and vertically arranged relative to the surface of the head plate 31, the four linkage pin shafts 32 of the linkage shaft plate 3 positioned on the same side of the first convex sleeve 41 can be slidably inserted into the four first shaft sleeves 411 in a one-to-one correspondence manner, and the four linkage pin shafts 32 of the linkage shaft plate 3 positioned on the same side of the second convex sleeve 51 can be slidably inserted into the four second shaft sleeves 511 in a one-to-one correspondence manner. The arrangement that the linking pin shaft 32 is inserted into the first shaft sleeve 411 and the second shaft sleeve 511 can improve the overall structural strength of the forming die on one hand, and mainly aims to realize that the forming die structure can realize overall rotation in the rotation process.

Further, the rotatable threaded shaft 6 includes an adjusting threaded shaft 61 and a hand wheel 62 fixedly mounted on one end of the adjusting threaded shaft 61, a polished rod shaft 611 slidably connected to the two sliding sleeves 143 is disposed in the middle of the adjusting threaded shaft 61, the adjusting threaded shaft 61 is threadedly connected to the two threaded sleeves 2, and the adjusting threaded shaft 61 is rotatably connected to the bearing portion 421 and rotatably connected to the built-in bearing 52. Thereby through rotating hand wheel 62 and driving through adjusting threaded shaft 61 and revolve to set up two opposite thread bush 2 and move in opposite directions or back to back of the body, can realize the regulation to a convex roller lamella 12 and No. two convex roller lamella 13 contained angles then.

The principle and the working process of the extrusion forming die provided by the invention are specifically as follows:

the extrusion forming mold provided by the invention can be arranged on a workbench and can be driven to rotate on the workbench through a motor, wherein a toothed chain or a chain belt can be used as a transmission structure to drive the mold to integrally rotate through driving a head gear 422 through the motor, structures such as the workbench, the motor, the toothed chain or the chain belt are not shown in the drawing and are easily understood and implemented by a person skilled in the art, the structure of the invention can adjust the forming structure of the forming convex roller 1 through rotating the hand wheel 62, in particular, the forming angle of the forming convex roller 1 is adjusted through rotating the hand wheel 62, because the rotating directions of the adjusting threaded shaft 61 and the threaded matching of the two threaded sleeves 2 are opposite, the two threaded sleeves 2 can be driven to move towards or away from each other while the adjusting threaded shaft 61 is driven to rotate by rotating the hand wheel 62 (rotating the hand wheel 62 causes the two threaded sleeves 2 to move towards or away from each other through a specific screw) The determination of the matching relationship of the lines is known to those skilled in the art and will not be described herein); when the two end heads 11 move in opposite directions, the two threaded sleeves 2 push the two end heads 11 to move in opposite directions synchronously, so that the included angle between the first convex roller lobe 12 and the second convex roller lobe 13 is reduced, and the V-shaped section is more convex; when the two end heads 11 move back to back, the two threaded sleeves 2 pull the two end heads 11 to move back to back, so that the included angle between the first convex roller lobe 12 and the second convex roller lobe 13 is increased, and the V-shaped section is more gentle; therefore, the adjustment of the included angle between the first convex roller lobe 12 and the second convex roller lobe 13 is realized by rotating the hand wheel 62, and the adjustment of the forming angle of the forming convex roller 1 is further realized; therefore, in the actual extrusion molding production process, the included angle between the first convex roller lobe 12 and the second convex roller lobe 13 can be correspondingly adjusted according to the molding structure of the material to be extruded so as to meet the molding requirement, and the mold is driven to rotate by the driving of an external motor, so that the extrusion molding of the material can be completed.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. The utility model provides an extrusion forming die, installs including protruding roller of shaping (1), embedding two thread bush (2), the fixed mounting that have the step at protruding roller of shaping (1) level both ends compress tightly both ends respectively two linkage axial plates (3), a support rotating assembly (4), No. two support rotating assembly (5) and rotatable threaded shaft (6) of thread bush (2), its characterized in that: the linkage shaft plate (3) positioned on the same side of the first support rotating assembly (4) can horizontally slide in the first support rotating assembly (4), the linkage shaft plate (3) positioned on the same side of the second support rotating assembly (5) can horizontally slide in the second support rotating assembly (5), the forming convex roller (1) comprises two ends (11), a plurality of first convex roller lobes (12) hinged to one end (11), a plurality of second convex roller lobes (13) hinged to the other end (11) and two inner support connecting assemblies (14), the plurality of first convex roller lobes (12) and the plurality of second convex roller lobes (13) are correspondingly hinged one by one, included angles of the first convex roller lobes (12) and the second convex roller lobes (13) in the relative vertical direction are the same, and the sections formed by the first convex roller lobes (12) and the second convex roller lobes (13) in a pair are V-shaped, one of them prop coupling assembling (14) and articulate and install every on the inside wall of a protruding roller lamella (12), another prop coupling assembling (14) and articulate and install every on the inside wall of No. two protruding roller lamellas (13), two prop coupling assembling (14) all with but change threaded spindle (6) sliding connection, but the center pin of threaded spindle (6) with support runner assembly (4), No. two support runner assembly (5), two the axle plate of interlock (3), two thread bush (2) and the equal collineation of center pin of shaping protruding roller (1), but change threaded spindle (6) and two thread bush (2) threaded connection, and two the screw thread of thread bush (2) turns to opposite setting, but change threaded spindle (6) and support runner assembly (4), No. two support runner assembly (5) and all rotate and connect, the two thread sleeves (2) are respectively embedded and installed at the outer side ends of the two end heads (11).

2. The extrusion molding die as set forth in claim 1, wherein: the inner support connecting assembly (14) comprises a plurality of groups of connecting sleeves (141), springs (142) arranged in each group of connecting sleeves (141) and sliding sleeves (143) horizontally and slidably connected with the rotatable threaded shaft (6), each group of connecting sleeves (141) comprises two oppositely arranged connecting sleeves (141), the springs (142) are fixedly connected between the two connecting sleeves (141) in each group, and the number of the groups of connecting sleeves (141) is the same as that of the first convex roller petals (12) or the second convex roller petals (13); one of the connecting sleeves (141) in each group of connecting sleeves (141) in one internal support connecting assembly (14) is hinged with the inner side wall of each convex roller flap (12) in a one-to-one correspondence manner, and the other connecting sleeve (141) is hinged with the sliding sleeve (143); one of the connecting sleeves (141) in each group of the connecting sleeves (141) in the other inner support connecting assembly (14) is hinged with the inner side wall of each second convex roller flap (13) in a one-to-one correspondence manner, and the other connecting sleeve (141) is hinged with the sliding sleeve (143).

3. The extrusion molding die as set forth in claim 2, wherein: support runner assembly (4) including a convex cover (41) and fixed mounting toothed bearing (42) in a convex cover (41), be located the homonymy threaded bush (2) with a convex cover (41) sliding connection, toothed bearing (42) including fixed mounting bearing portion (421) in a convex cover (41) and with bearing portion (421) body coupling be located outside end gear (422), rotatable threaded shaft (6) with bearing portion (421) rotate the connection.

4. The extrusion molding die as set forth in claim 3, wherein: support runner assembly (5) No. two and include No. two convex cover (51) and fixed mounting built-in bearing (52) in No. two convex cover (51), be located the homonymy thread bush (2) with No. two convex cover (51) sliding connection, but change threaded spindle (6) with built-in bearing (52) rotate the connection.

5. The extrusion molding die as set forth in claim 4, wherein: a plurality of first shaft sleeves (411) are arranged on the end face of the inner side of the first convex sleeve (41), and a plurality of second shaft sleeves (511) are arranged on the end face of the inner side of the second convex sleeve (51).

6. The extrusion molding die as set forth in claim 5, wherein: linkage axial plate (3) including fixed mounting be in head board (31) on end (11) and relative a plurality of linkage round pin axle (32) that the face of head board (31) set up perpendicularly, be located a plurality of convex cover (41) homonymy linkage axial plate (3) a plurality of linkage round pin axle (32) can the one-to-one correspondence slip insert a plurality of in axle sleeve (411), be located No. two convex cover (51) homonymy a plurality of linkage axial plate (3) linkage round pin axle (32) can the one-to-one slip insert a plurality of in No. two axle sleeves (511).

7. The extrusion molding die as set forth in claim 4, wherein: the rotatable threaded shaft (6) comprises an adjusting threaded shaft (61) and a hand wheel (62) fixedly mounted at one end of the adjusting threaded shaft (61), a photoshaft shaft (611) slidably connected with the two sliding sleeves (143) is arranged in the middle of the adjusting threaded shaft (61), the adjusting threaded shaft (61) is in threaded connection with the two threaded sleeves (2), and the adjusting threaded shaft (61) is in rotational connection with the bearing portion (421) and is in rotational connection with the built-in bearing (52).