CN213860802U

CN213860802U - Compression roller core mold and forming mold

Info

Publication number: CN213860802U
Application number: CN202022302546.6U
Authority: CN
Inventors: 王玉凯; 尚安阳; 郭红军; 侯伟; 张佳卫
Original assignee: Changzhou Qifu Antai Composite Technology Co ltd
Current assignee: Changzhou Qifu Antai Composite Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-08-03
Anticipated expiration: 2030-10-16

Abstract

The utility model provides a compression roller core mold and a forming mold, wherein the compression roller core mold comprises at least two splicing plates which are spliced with each other and two flanges which are respectively arranged at the two ends of the splicing plates; the splicing plates are arc-shaped plates; the splice plates are spliced in sequence and form a cylindrical structure by enclosing together; the splicing plates are connected with the flanges through fasteners. The utility model provides a compression roller mandrel is through setting up the mandrel into detachable mosaic structure to splice plate after each concatenation is fixed through the flange at both ends, on the one hand is spreading the in-process and coming to support the splice plate through the flange, makes the mandrel keep cylindric structure, and on the other hand, at the drawing of patterns in-process, can take off the flange through demolising the fastener, thereby makes each splice plate can remove along the central direction to the mandrel, reduces the drawing of patterns degree of difficulty.

Description

Compression roller core mold and forming mold

Technical Field

The utility model relates to a compression roller shaping technical field particularly, relates to a compression roller mandrel and forming die.

Background

The compression roller is a device capable of uniformly extending and compressing the plastic material to a certain thickness, and is widely applied to industries such as plastics, rock wool and the like; the material of the press roll which is commonly used at present is metal, the weight is quite large, and the press roll is quite heavy, so that the press roll is one of important elements which restrict the capacity.

The carbon fiber composite material has the advantages of small specific gravity and high specific modulus specific strength, and the problem of large mass of the traditional metal compression roller can be solved by using the carbon fiber composite material for the compression roller.

The carbon fiber composite material compression roller is manufactured through a forming die; in the manufacturing process, firstly, the carbon fiber composite material is paved on a compression roller core mold, then, the carbon fiber composite material is cured, molded and demoulded, and the carbon fiber composite material compression roller can be obtained; because the carbon fiber composite material can be tightly hooped on the compression roller core mold in the curing and forming process, the demolding is difficult, so that the compression roller forming process of the carbon fiber composite material is difficult, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be drawing of patterns difficulty among carbon-fibre composite compression roller forming process.

In order to solve the problems, the utility model provides a compression roller core mold, which comprises at least two splicing plates spliced with each other and two flanges respectively arranged at the two ends of the splicing plates;

the splicing plates are arc-shaped plates;

the splice plates are spliced in sequence and form a cylindrical structure by enclosing together;

the splicing plates are connected with the flanges through fasteners.

Optionally, the number of the splice plates is four.

Another object of the utility model is to provide a forming die, include as above the compression roller mandrel, and set up in the bed die in the compression roller mandrel outside.

Optionally, the female die comprises a female die body and two end covers respectively arranged at two ends of the female die body; the female die body comprises an upper die and a lower die which are detachably connected, a first groove is formed in the upper die, and a second groove is formed in the lower die; when the upper die is connected with the lower die, the first groove and the second groove are spliced to form a cavity matched with the press roller.

Optionally, a quick coupling is provided on the end cap.

Optionally, both ends of the female die body are provided with seal grooves, and seal rings are arranged in the seal grooves.

Optionally, a positioning pin is arranged on the lower die, and a positioning hole is arranged on the upper die and is suitable for being matched with the positioning pin so as to position the upper die and the lower die.

Optionally, the outer side of the female die body is provided with clamps distributed along the circumferential direction.

Optionally, a hanging ring is arranged at the upper end of the clamp; the bottom of clamp is provided with the cushion.

Optionally, a reinforcing rib is arranged on the outer side of the female die body.

Compared with the prior art, the utility model provides a compression roller mandrel has following advantage:

the utility model provides a compression roller mandrel, set up the compression roller mandrel into detachable mosaic structure through each splice plate, and come to fix the splice plate after each concatenation through the flange at both ends, come to support the splice plate through the flange in the in-process of paving to paste on the one hand, make the compression roller mandrel keep cylindric structure, in order to satisfy the appearance demand of compression roller, and on the other hand, in the drawing of patterns in-process, demolish through the fastener with flange and splice plate and can take off the flange, thereby make each splice plate can remove along the central direction to the compression roller mandrel along radial, reduce the drawing of patterns degree of difficulty, reduce the degree of difficulty of carbon-fibre composite compression roller forming technology, and then improve production efficiency.

Drawings

Fig. 1 is a schematic view of a compression roller core mold according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the compression roller of the present invention;

fig. 4 is a schematic structural diagram of the female mold of the present invention;

fig. 5 is an exploded view of the female mold of the present invention.

Description of reference numerals:

1-splicing plates; 2-a flange; 3-female die; 31-a female die body; 311-upper die; 312-lower die; 3121-locating pins; 313-a seal groove; 3131 — an upper sealing groove; 3132-a lower seal groove; 314-a clip; 3141-an upper hoop; 3142-lower clamp; 315-a hoisting ring; 316-cushion block; 317-reinforcing ribs; 3171-transverse ribs; 3172-longitudinal ribs; 32-end caps; 321-a quick connector; 4-press rolls.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that unless otherwise explicitly specified or limited, a first feature "on" or "under" a first feature may include the first feature and the second feature being in direct contact, and may also include the first feature and the second feature being in contact not in direct contact but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In order to solve the problem of difficult demoulding in the current carbon fiber composite material compression roller forming process, the utility model provides a compression roller core mold, which is shown in the figures 1 and 2 and comprises at least two splicing plates 1 spliced with each other and two flanges 2 respectively arranged at two ends of the splicing plates 1; the number of the splicing plates 1 can be determined according to product requirements, such as the size of a compression roller; the structures of the splicing plates 1 spliced with each other can be the same or different; in order to reduce the production difficulty and the assembling difficulty of the compression roller core mold and improve the assembling efficiency, the structure of all the splice plates 1 is preferably the same, so that the assembling sequence is not required to be considered in the process of assembling the compression roller core mold, and the assembling speed is improved; specifically, referring to fig. 3, since the pressing roller 4 has a generally cylindrical structure, the splice plate 1 is preferably an arc-shaped plate; splice plate 1 splices in proper order, encloses jointly to close and constitutes the tubular structure to make this tubular structure and compression roller 4's shape looks adaptation, so that make cylindric compression roller 4 through this compression roller mandrel.

Set up in the flange 2 at both ends and be used for fixing the splice plate 1 of splicing each other, the splice plate 1 of preferred splice plate 1 of this application links to each other through the fastener with flange 2, fixes the splice plate 1 of splicing each other through flange 2 for when each splice plate 1 constitutes an integral structure, still be favorable to utilizing this flange 2 to make the compression roller mandrel keep cylindric structure.

Specifically, the neck of the flange 2 is preferably placed on the inner side of the splice plate 1, and the fasteners distributed along the radial direction of the compression roller core mold sequentially penetrate through the splice plate 1 and the neck of the flange 2 to realize fixation, so that the compression roller core mold with an integral structure is obtained; the carbon fiber composite material is paved on the outer side of the compression roller core mold and then is cured and molded to obtain a molded compression roller 4; in the demolding process, firstly, the fastening piece for connecting the splicing plates 1 and the flange 2 is loosened, the flange 2 is taken out from the inside of the compression roller core mold, and then force which is distributed along the radial direction of the compression roller core mold and points to the center of the compression roller core mold is applied to each splicing plate 1, so that each splicing plate 1 can be separated from the molded compression roller 4, and demolding is realized.

The utility model provides a compression roller mandrel, set up the compression roller mandrel into detachable mosaic structure through each splice plate 1, splice plate 1 after each concatenation is fixed through flange 2 at both ends, on the one hand, come to support splice plate 1 through flange 2 in the in-process of paving, make the compression roller mandrel keep cylindric structure, in order to satisfy compression roller 4's appearance demand, on the other hand, in the drawing of patterns, demolish through the fastener with flange 2 and splice plate 1 and can take off flange 2, thereby make each splice plate 1 can remove along the central direction to the compression roller mandrel, reduce the drawing of patterns degree of difficulty, reduce the degree of difficulty of carbon-fibre composite compression roller forming technology, and then improve production efficiency.

Furthermore, the number of the splice plates 1 is preferably four, so that the splice plates 1 are prevented from being difficult to take out in the demolding process due to the fact that the number of the splice plates 1 is too small, and the demolding difficulty cannot be effectively reduced; on the other hand, the problems that the splicing difficulty of the compression roller core mold is large due to the excessive number of the splicing plates 1, and the splicing error is large due to the excessive splicing positions, and the overall structure of the compression roller core mold is influenced can be avoided.

Another object of the present invention is to provide a forming mold, which comprises the above compression roller core mold, and the female mold 3 disposed outside the compression roller core mold.

Referring to fig. 4, in the use process of the forming mold provided by the present application, firstly, a splice plate 1 and a flange 2 are spliced to obtain a compression roller core mold; in order to reduce the demolding difficulty, a demolding agent is coated on the outer side of the assembled compression roller core mold, then the carbon fiber composite material is paved on the compression roller core mold, after paving is completed, the compression roller core mold paved with the carbon fiber composite material is placed in the female mold 3, and then molding and curing are carried out through the female mold 3 positioned on the outer side, so that the molded compression roller 4 is obtained.

The forming die provided by the utility model adopts the compression roller core die with the splicing structure as the male die for paving and pasting, which is not only beneficial to paving and pasting, but also convenient for demoulding, and greatly improves the forming efficiency of the carbon fiber composite compression roller; meanwhile, the external part is molded and cured by the female die 3, so that the smoothness of the compression roller 4 is ensured, the quality of the compression roller 4 is improved, and the compression roller 4 meets the use requirement.

Specifically, referring to fig. 4 and 5, the female die 3 in the present application includes a female die body 31, and two end caps 32 respectively disposed at two ends of the female die body 31, and the female die 3 is sealed by the end caps 32; the female die body 31 is preferably attached to the end cap 32 by fasteners; for the convenience of operation, the preferred female die body 31 of this application includes the last mould 311, the lower mould 312 of removable connection, constitutes female die body 21 through linking up last mould 311 with lower mould 312, and the preferred last mould 311 of this application links to each other through the fastener with lower mould 312 to reduce the degree of difficulty of assembling and dismantling female die body 31.

When the female die body 31 is designed to be a structure in which the upper die 311 and the lower die 312 are connected, the upper die 311 is connected with the upper portion of the end cover 32 through a fastener, and the lower die 312 is connected with the lower portion of the end cover 32 through a fastener, so that when the female die body 31 is sealed through the end cover 32, the improvement of the connection strength between the upper die 311 and the lower die 312 through the end cover 32 of the integral structure is facilitated, and the structural strength of the female die 3 is further improved.

In order to facilitate the curing and molding of the compression roller 4 through the female die 3, a first groove is arranged in the upper die 311, and a second groove is arranged in the lower die 312; when the upper die 311 is connected with the lower die 312, the first groove and the second groove are spliced to form a cavity matched with the press roller 4.

A cavity formed by splicing the first groove and the second groove is matched with the size of the compression roller 4; through the reasonable inner wall that sets up the die cavity, can guarantee the smooth finish of compression roller 4 outer wall, be favorable to improving the quality of compression roller 4.

According to the forming die provided by the application, the inside is preferably inflated by adopting a vacuum bag, and the outside is cured and formed by adopting the female die 2; to facilitate the inflation of the vacuum bag, the end caps 32 are preferably provided with quick connectors 321, wherein the quick connector 321 on one end cap 32 is used for inflation, and the quick connector 321 on the other end cap 32 is used for air pressure measurement, so as to ensure that the inflation pressure in the vacuum bag meets the production requirement; further, the preferred quick-operation joint 321 of this application is quick-operation joint worker head to reduce the connection degree of difficulty.

Further, the two ends of the preferable female die body 31 of this application are both provided with a sealing groove 313, and a sealing ring is arranged in the sealing groove 313, so that the sealing performance of the forming die during inflation can be ensured.

Since the cavity block 31 of the present application includes the upper mold 311 and the lower mold 312 detachably connected, it is preferable that the sealing groove 313 includes an upper sealing groove 3131 and a lower sealing groove 3132, the upper sealing groove 3131 is disposed at an end of the upper mold 311, and the lower sealing groove 3132 is disposed at an end of the lower mold 312; when the upper mold 311 is coupled to the lower mold 312, the upper sealing groove 3131 and the lower sealing groove 3132 are engaged with each other to form the sealing groove 313.

Further, in order to improve the accuracy of mold closing when the upper mold 311 and the lower mold 312 are closed, it is preferable that the lower mold 312 is provided with a positioning pin 3121, the upper mold 311 is provided with a positioning hole, and the positioning hole is suitable for being matched with the positioning pin 3121, so as to position the upper mold 311 and the lower mold 312.

When the die is closed, the positioning pin 3121 on the lower die 312 is inserted into the positioning hole on the upper die 311, so that the upper die 311 and the lower die 312 can be positioned; through setting up locating pin 3121 and locating hole, help improving the connection precision between last mould 311 and the lower mould 312 on the one hand to guarantee the smooth finish and the straightness accuracy of compression roller 4, satisfy customer's requirement, on the other hand still can reduce the degree of difficulty of going on fixing a position last mould 311 and lower mould 312, reduce positioning time, thereby improve the assembly degree of difficulty of bed die 3, improve production efficiency.

Further, in order to improve the rigidity of the forming mold, the outer side of the female mold body 31 in the application is provided with clamping bands 314 distributed along the circumferential direction; the number of the clamping bands 314 may be one, or may be multiple, and the specific number is determined according to the size of the forming mold, and the specific number of the clamping bands 314 is not limited herein.

The shape of the clamp 314 can be any structural form such as a circle, a rectangle, etc., and the clamp 314 is preferably rectangular in the present application; further, because the female die body 31 includes the upper die 311 and the lower die 312 in the present application, the preferable clamp 314 in the present application includes an upper clamp 3141 and a lower clamp 3142, wherein the upper clamp 3141 is disposed on the upper die 311, the lower clamp 3142 is disposed on the lower die 312, and after the upper die 311 and the lower die 312 are closed, the upper clamp 3141 and the lower clamp 3142 are spliced together to form the clamp 314; further, the upper clamp 3141 and the lower clamp 3142 are preferably connected by fasteners so that the upper clamp 3141 and the lower clamp 3142 are integrated to increase the rigidity of the forming mold.

In order to lift the forming mold, the female mold body 31 in this application further includes a lifting ring 315; the lifting ring 315 is preferably arranged at the upper end of the clamping hoop 314, so that the phenomenon that the straightness of the press roller is affected due to the deformation of the female die body 31 caused by lifting the forming die through the lifting ring 315 is avoided; for the present application, the lifting ring 315 is provided on the upper clamp 3141 to facilitate lifting of the molding die from above.

Further, the female die body 31 in the present application further includes a spacer 316, and the spacer 316 is disposed at the bottom end of the clamp 314; for the purposes of this application, the pad 316 is disposed at the bottom end of the lower clamp 3142; moreover, the bottom end of each lower clamp 3142 is provided with at least two cushion blocks 316, and the cushion blocks 316 are uniformly distributed at the bottom end of the lower clamp 3142.

In addition, in this application, the outer side of the female die body 31 is further provided with a reinforcing rib 317, and the rigidity of the female die body 31 is further improved by providing the reinforcing rib 317, so that the straightness of the press roll 4 is improved.

The structural form and the distribution direction of the reinforcing ribs 317 can be determined according to requirements; the reinforcing rib 317 preferably includes a transverse rib 3171 distributed along the circumferential direction of the female die body 31 and a longitudinal rib 3172 distributed along the axial direction of the female die body 31, so as to increase the rigidity of the female die body 31 from different directions.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims

1. The compression roller core mold is characterized by comprising at least two splicing plates (1) which are spliced with each other and two flanges (2) which are respectively arranged at two ends of each splicing plate (1);

the splice plate (1) is an arc-shaped plate;

the splice plates (1) are spliced in sequence and form a cylindrical structure by enclosing together;

the splicing plates (1) are connected with the flanges (2) through fasteners.

2. The roll core mould according to claim 1, characterized in that the number of splice plates (1) is four.

3. A forming die comprising the roll core mold according to claim 1 or 2, and a female die (3) provided outside the roll core mold.

4. A forming die according to claim 3, wherein the female die (3) comprises a female die body (31), and two end caps (32) provided at both ends of the female die body (31), respectively; the female die body (31) comprises an upper die (311) and a lower die (312) which are detachably connected, a first groove is formed in the upper die (311), and a second groove is formed in the lower die (312); when the upper die (311) is connected with the lower die (312), the first groove and the second groove are spliced to form a cavity matched with the press roller (4).

5. The forming die according to claim 4, characterized in that the end cap (32) is provided with a quick coupling (321).

6. The forming die of claim 4, wherein the female die body (31) is provided with a sealing groove (313) at both ends thereof, and a sealing ring is arranged in the sealing groove (313).

7. The forming die according to claim 4, characterized in that the lower die (312) is provided with positioning pins (3121), and the upper die (311) is provided with positioning holes adapted to cooperate with the positioning pins (3121) to achieve positioning of the upper die (311) and the lower die (312).

8. A forming tool according to claim 4, characterized in that the outer side of the female mould body (31) is provided with circumferentially distributed clamping bands (314).

9. The molding die as claimed in claim 8, wherein the upper end of the yoke (314) is provided with a hanging ring (315); the bottom end of the clamp (314) is provided with a cushion block (316).

10. A forming die according to claim 4, characterized in that the outer side of the female die body (31) is provided with a reinforcement rib (317).