CN214688054U

CN214688054U - High-precision assembling and disassembling device for RTM (resin transfer molding) mold of ultrathin curved surface shell

Info

Publication number: CN214688054U
Application number: CN202022216959.2U
Authority: CN
Inventors: 陈光伟; 张策; 张国利; 陈利
Original assignee: Tianjin Polytechnic University
Current assignee: Tianjin Polytechnic University
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-11-12
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a high accurate dress form removal device that ultra-thin curved surface casing RTM mould was used has solved the manual dress mould of complicated curved surface combined material shell structure, has demolished that intensity of labour is big, the precision is poor and can not realize mechanized dress form removal scheduling problem. The mold assembling and disassembling mechanism of the curved surface shell RTM mold comprises a base support, a rotating mechanism, a mold assembling and disassembling mechanism and a turnover mechanism; the rotating mechanism is arranged on one side of the base support and can rotate around a rotating bearing on the lower side of the rotating mechanism in a 360-degree high-precision mode; the die assembling and disassembling mechanism is arranged on one side, far away from the rotating mechanism, above the base support, and the bottom of the die assembling and disassembling mechanism is a linear guide rail, so that a female die block can horizontally reciprocate, and the female die is matched with a die frame in a high-precision manner; the turnover mechanism is fixedly arranged on the outer side of the die assembly and disassembly mechanism, so that the RTM female die can be turned over within a 90-degree range. The utility model discloses can realize that mould part mechanization-high accuracy dress form removal improves production efficiency, extension mould life.

Description

High-precision assembling and disassembling device for RTM (resin transfer molding) mold of ultrathin curved surface shell

Technical Field

The utility model relates to a mechanized frock of liquid plastic composite material shaping preparation is applied to the manufacturing field of curved surface casing isotructure, especially relates to a high accuracy dress form removal device that ultra-thin curved surface casing RTM mould was used.

Background

The assembly precision of the mold determines the precision of a part made of the composite material, the RTM mold has the advantages of precise size and less pollution, the surface smoothness of the produced part is more than A grade, and the RTM mold is introduced by more and more industries for years. The RTM mold is generally made of metal and has high material density. In the process of producing a workpiece by using the RTM mould to the curved surface shell, the mould needs to be assembled and disassembled, the existing mould disassembling mode mainly comprises manual assembly, disassembly and turnover of the mould, and the manual assembly efficiency of the mould is low and the precision is poor. In addition, when the size of the produced curved surface shell part is large, the mould is heavy, so that a large amount of physical power and time are consumed in the mould assembling and disassembling process, and the production efficiency is influenced. And the weight of some moulds exceeds the upper limit of manual transportation, manual assembly cannot be realized, and the mould machine must be assembled and disassembled with high precision.

Simultaneously, to ultra-thin three-dimensional structure curved surface casing finished piece, the shape is comparatively complicated, and is required highly to size precision, and its RTM mould that corresponds need be equipped with accurate positioner, will operate according to certain angle and direction to the installation and the dismantlement of mould, if the angular deviation of mould installation and dismantlement is great, can make the mould wearing and tearing strengthen, causes the mould damage, influences its life.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the above-mentioned prior art, the utility model aims at providing a high accuracy dress form removal device that ultra-thin curved surface casing RTM mould was used. The die assembling and disassembling device can realize high-precision assembling and high-precision disassembling of die parts, reduce die abrasion, realize die assembling and disassembling operation of a mechanical device, reduce labor intensity of workers and improve production safety and production efficiency.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a high accuracy dress form removal device that ultra-thin curved surface casing RTM mould was used, dress mould form removal device includes base support, slewing mechanism, installs and removes mould mechanism and tilting mechanism, its characterized in that: a rotating mechanism is fixedly installed on one side of the upper surface of the base support, a die assembling and disassembling mechanism is installed on one side, far away from the rotating mechanism, of the upper surface of the base support, and the turnover mechanism is installed and fixed on the outer side of the die assembling and disassembling mechanism; the rotating mechanism consists of a slewing bearing and a die connecting plate and is connected with the base support and the rotating mechanism through the slewing bearing; the bottom of the die assembling and disassembling mechanism is a linear guide rail, a guide rail seat connecting plate arranged above the linear guide rail is fixedly connected with a linear guide rail seat matched with the linear guide rail, the guide rail seat connecting plate is connected with a die part connecting plate through a turnover shaft, one side of the guide rail seat connecting plate is fixedly connected with a bearing seat through a bolt, the bearing seat is fixedly connected with one side of a screw rod through a bearing gland, the other side of the screw rod is arranged in the middle of a screw nut, the screw nut is fixedly arranged on a base support through a screw nut mounting plate, a screw rod handle is arranged on the outer side surface of the screw rod, and a motor a, a speed reducer and an electromagnetic clutch are arranged on the lower side of the screw nut and are assembled with the screw nut through a meshing gear set; the turnover mechanism is composed of a motor b, a right-angle speed reducer b, an electromagnetic clutch b, a turnover handle, a connecting shaft and a speed reducer support, wherein one side of the electromagnetic clutch b is connected with the turnover shaft on one side of the die component connecting plate through the connecting shaft, and is fixedly installed with a guide rail connecting plate of the die assembly and disassembly mechanism through the speed reducer support.

Further, the die connecting plate of the rotating mechanism can rotate 360 degrees around the rotating support.

Furthermore, the central line of the slewing bearing is intersected with the central lines of a lead screw and a nut of the die assembling and disassembling mechanism.

Furthermore, one side of the base bracket close to the rotating mechanism is provided with a group of limiting holes, and limiting pins matched with the limiting holes are arranged.

Furthermore, the limiting surface on the inner side of the limiting pin is coplanar with the die limiting surface on the outer side of the die, and when one side of the die rotates to the limiting position, the rotating angle of the die can be effectively controlled.

The limiting surface on the inner side of the position pin is coplanar with the die limiting surface on the outer side of the die, so that the rotation angle of the die can be effectively controlled, and the deviation of the rotation angle is smaller than 0.1 degree.

Further, the driving of the die part connecting plate through the motor b is turned over within a range of 90 degrees.

Further, a linear guide rail groove is formed in the base support right below the linear guide rail and used for positioning and mounting the two linear guide rails, and the parallelism tolerance of the two linear guide rails is 0.01.

Furthermore, the die part connecting plate, the guide rail seat connecting plate, the linear guide rail seat and the screw rod are fixedly arranged together, and the whole part can horizontally reciprocate along the linear guide rail by arranging a motor a or rotating a screw rod handle.

The mould part connecting plate can be fixed with a female module of the curved surface shell RTM mould through screws, and the female module of the curved surface shell RTM mould can horizontally move forwards through a mould assembling and disassembling mechanism of the mould assembling and disassembling device to realize accurate positioning with the RTM mould positioning frame.

Through setting up installation motor a, upset handle and motor b, screw rod handle, guarantee the utility model discloses under the electric power condition, carry out mechanized dismouting mould through setting up the motor, under the no electric power condition, carry out the manual work through rotatory upset handle and screw rod handle and install and remove the mould operation.

To sum up, the utility model discloses owing to take above technical scheme, have following beneficial effect:

firstly, the mould assembling and disassembling machine enables the mould part to horizontally move along the linear guide rail, so that high-precision mould assembling and disassembling of the mould part can be realized, and the problem of mould damage in the mould assembling and disassembling process is reduced.

Second, through the utility model discloses realize the mechanized device of mould part and install the form removal operation, can effectively reduce operating personnel's working strength, improve and give birth to production efficiency.

Drawings

Fig. 1 is the utility model relates to a high accuracy dress form removal device's that ultra-thin curved surface casing RTM mould was used overall structure schematic diagram.

Fig. 2 is the utility model relates to a high accuracy dress form removal device's that ultra-thin curved surface casing RTM mould was used slewing mechanism schematic diagram.

Fig. 3 is the utility model relates to a high accuracy dress form removal device's that ultra-thin curved surface casing RTM mould was used mould part connecting plate schematic structure.

Fig. 4 is a schematic structural diagram of an RTM mold provided by an embodiment of the present invention.

Fig. 5 is the utility model relates to a high accuracy dress form removal device's that ultra-thin curved surface casing RTM mould was used elevation.

Fig. 6 is the utility model relates to a high accurate dress form removal device's that ultra-thin curved surface casing RTM mould was used schematic diagram under operating condition.

Fig. 7 is a schematic view of a die component connecting plate in an overturned state according to an embodiment of the present invention.

Fig. 8 is a schematic view of a female mold installation of a RTM mold according to an embodiment of the present invention.

Reference numbers in the figures:

1 is a base bracket; 101 is a limiting hole; 102 is a limit pin; 103 is a limiting surface; 104 is a linear guide rail groove; 2 is a rotating mechanism; 201 is a slewing bearing; 202 is a die connecting plate; 203 is a die limiting surface; 3, a die assembling and disassembling mechanism; 301 is a linear guide rail; 302 is a guide rail seat connecting plate; 303 is a linear guide rail seat; 304 is a turning shaft; 305 is a mold part web; 306 is a bearing seat; 307 is a bearing gland; 308 is a lead screw; 309 is a screw; 310 is a nut mounting plate; 311 is a screw handle; 312 is motor a; 313 is reducer a; 314 is an electromagnetic clutch a; 315 is an engaging gear set; 4, a turnover mechanism; 401 is a motor b; 402 is a right-angle reducer b; 403 electromagnetic clutch b; 404 is a turning handle; 405 is a connecting shaft; 406 is a reducer bracket; 5 is a mould; 501, a female die block of the die; 502 is a positioning box.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples. It is to be understood, however, that the drawings are provided solely for the purposes of promoting an understanding of the invention and that they are not to be construed as limiting the invention.

As shown in fig. 1 to 5, the present invention provides a mold assembling and disassembling device for a curved surface shell RTM mold, which comprises a base support 1, a rotating mechanism 2, a mold assembling and disassembling mechanism 3 and a turnover mechanism 4. Wherein, the outer side of the base bracket 1 is provided with a group of limiting holes 101, and is provided with a limiting pin 102 matched with the limiting holes for fixing the RTM mould, one side of the limiting pin 102 close to the mould is a limiting surface 103, and is coplanar with a mould limiting surface 203 of the mould connecting plate 202; the rotating mechanism 2 is composed of a slewing bearing 201 and a mold connecting plate 202, the mold connecting plate 202 can be used for fixedly mounting an RTM mold, as shown in FIG. 6, and can freely rotate 360 degrees around the slewing bearing 201, so that female molds of the RTM mold in different directions can be conveniently mounted; the die assembling and disassembling mechanism 3 consists of a linear guide rail 301, a guide rail seat connecting plate 302, a linear guide rail seat 303, a turnover shaft 304, a die part connecting plate 305, a bearing seat 306, a bearing gland 307, a lead screw 308, a nut 309, a nut mounting plate 310, a screw handle 311, a motor a312, a speed reducer a313, a magnetic clutch a314 and a meshing gear set 315; the linear guide rail 301 is fixedly installed on the upper surface of the base support 1, the nut 309 is installed and fixed on the nut installation plate 310, the nut installation plate 310 is installed on the outer side of the base support 1 through bolts, and the motor a312, the speed reducer a313 and the electromagnetic clutch a314 which are installed on the lower side of the nut are assembled with the nut through a meshing gear set. The rest parts of the mould assembling and disassembling mechanism 3 are installed together, and the whole part can horizontally reciprocate along the linear guide rail 301 by arranging the motor a312 or rotating the screw rod handle 311, so that the accurate positioning and mould assembling and disassembling of the RTM mould 5 are facilitated; the turnover mechanism 4 is composed of a motor b401, a right-angle reducer b402, an electromagnetic clutch b403, a turnover handle 404, a connecting shaft 405 and a reducer support 406, the connecting shaft 405 and a turnover shaft 304 connected with one side of the mold component connecting plate 305 are mounted together, and the mold component connecting plate 305 is rotated within a range of 90 degrees by driving the motor b401, so that the mold female mold 501 can be turned over conveniently.

In a preferred embodiment, the RTM mold 5 is fixed on the mold connecting plate 202, then the limit pin 102 is installed in the limit hole 101, when the mold rotates to the limit position, the limit surface 103 of the limit pin 102 is coplanar with the corresponding mold limit surface 203, at this time, the limit pin 102 plays a role in accurately positioning the mold rotation angle, and then the mold component connecting plate 305 is positioned in a horizontal position by the motor b401 of the turnover mechanism 4, as shown in fig. 6, which is convenient for the fixed installation of the female mold block 501.

In a preferred embodiment, the mold section connecting plate 305 is constructed as shown in fig. 3, and has a convex portion in the middle, and the female mold piece 501 has a concave portion in the middle for engaging with the convex portion, and can be fixed by screws.

In a preferred embodiment, after the female mold half 501 is secured to the web of mold parts, the web of mold parts 305 and the female mold half 501 are then turned 90 degrees counterclockwise by the flipper 4 to assume an upright position as shown in figure 7.

In a preferred embodiment, after the female mold piece 501 is in the vertical position, the mold is installed by moving the female mold piece 501 horizontally forward by setting the motor a312, as shown in fig. 8, wherein the linear guide 301 serves as a guide and a precise limit.

In a preferred embodiment, after a female module 501 is mounted, the limit pin 102 is pulled out, the mold is rotated to another mounting surface, and then the limit pin 102 is inserted into the limit hole 101, so that the limit surface 103 of the limit pin 102 is coplanar with the limit surface 203 of the mold, and the precise positioning of the mold is achieved, the RTM mold is precisely rotated by 60 degrees, the next female module is conveniently mounted, and the RTM mold is mounted.

In a preferred embodiment, the mold removing process of the RTM mold 5 is opposite to the mold assembling process, the mold disassembling mechanism 3 and the female mold block 501 of the mold are fixed by screws, after all the screws of the female mold block 501 and the mold are disassembled, the motor b is arranged to drive the mold disassembling mechanism 3 to separate the female mold block 501 from the whole mold, and then the motor a is arranged to turn the female mold block 501 by 90 degrees, thereby realizing the mold disassembling process of the RTM mold.

Claims

1. The utility model provides a high accuracy dress form removal device that ultra-thin curved surface casing RTM mould was used, install and remove the mould device, include base support (1), slewing mechanism (2), install and remove mould mechanism (3) and tilting mechanism (4), its characterized in that: a rotating mechanism (2) is fixedly installed on one side of the upper surface of the base support (1), a die assembling and disassembling mechanism (3) is installed on one side, far away from the rotating mechanism (2), of the upper surface of the base support (1), and the turnover mechanism (4) is installed and fixed on the outer side of the die assembling and disassembling mechanism (3); the rotating mechanism (2) consists of a slewing bearing (201) and a die connecting plate (202), and is connected with the base support (1) and the rotating mechanism (2) through the slewing bearing (201); install and remove bottom of mould mechanism (3) and be linear guide (301), the guide rail seat connecting plate (302) of installation of linear guide (301) top is connected fixedly through linear guide seat (303) with linear guide (301) matched with, guide rail seat connecting plate (302) is connected the installation through trip shaft (304) and mould part connecting plate (305), bolt and bearing frame (306) fixed connection are passed through to one side of guide rail seat connecting plate (302), bearing frame (306) are connected fixedly through bearing cover (307) and lead screw (308) one side, the opposite side of lead screw (308) is installed in the middle of screw (309), screw (309) are fixed on base support (1) through screw mounting plate (310) installation, screw handle (311) are installed to the lateral surface of lead screw (308), motor a (312) are installed to screw (309) downside, A speed reducer a (313) and an electromagnetic clutch a (314) are assembled with the screw nut (309) through a meshing gear set (315); turnover mechanism (4) comprise motor b (401), right angle reduction gear b (402), electromagnetic clutch b (403), upset handle (404), connecting axle (405) and reduction gear support (406), upset axle (304) of connecting axle (405) one side connection mould part connecting plate (305) one side is passed through to one side of electromagnetic clutch b (403) to through reduction gear support (406) and guide rail seat connecting plate (302) fixed mounting who installs and removes mould mechanism (3).

2. The high-precision mold assembling and disassembling device for the RTM mold of the ultrathin curved surface shell according to claim 1, characterized in that: the die connecting plate (202) of the rotating mechanism (2) can rotate 360 degrees around the rotating support (201).

3. The high-precision mold assembling and disassembling device for the RTM mold of the ultrathin curved surface shell according to claim 1, characterized in that: the center line of the slewing bearing (201) is intersected with the center lines of a lead screw (308) and a nut (309) of the die assembly and disassembly mechanism (3).

4. The high-precision mold assembling and disassembling device for the RTM mold of the ultrathin curved surface shell according to claim 1, characterized in that: the outer side of the base support (1) close to the rotating mechanism (2) is provided with a group of limiting holes (101) and limiting pins (102) matched with the limiting holes.

5. The high-precision mold assembling and disassembling device for the RTM mold of the ultrathin curved surface shell according to claim 4, characterized in that: the limiting surface (103) on the inner side of the limiting pin is coplanar with the die limiting surface (203) on the outer side of the die, so that the rotation angle of the die is effectively controlled, and the angle deviation is smaller than 0.1 degree.

6. The high-precision mold assembling and disassembling device for the RTM mold of the ultrathin curved surface shell according to claim 1, characterized in that: the die part connecting plate (305) is turned over within 90 degrees by the driving of a motor b (401).

7. The high-precision mold assembling and disassembling device for the RTM mold of the ultrathin curved surface shell according to claim 1, characterized in that: be equipped with linear guide groove (104) on base support (1) under linear guide (301), linear guide groove degree of depth is 0.5 ~ 1mm for the location and the installation of two linear guide (301), and the depth of parallelism tolerance of two guide rails is 0.01.

8. The high-precision mold assembling and disassembling device for the RTM mold of the ultrathin curved surface shell according to claim 1, characterized in that: the die part connecting plate (305), the guide rail seat connecting plate (302), the linear guide rail seat (303) and the screw rod (308) are fixedly arranged together, and the whole part horizontally reciprocates along the linear guide rail (301) by arranging a motor a (312) or a rotary screw rod handle (311).