CN220742212U - Drawing and extruding traction device for special-shaped composite material - Google Patents

Abstract

The utility model relates to the technical field of traction devices, and provides a special-shaped composite material pultrusion traction device which comprises a workbench and a traction mechanism, wherein the traction mechanism is arranged on the workbench in an adjustable sliding manner and comprises a base, side frames, fixing plates and pressing plates, the side frames are arranged in two and symmetrically arranged on two sides above the base, the fixing plates are fixedly arranged between the two side frames, the pressing plates are positioned under the fixing plates, the lower parts of the fixing plates are connected with the pressing plates in an assembling manner through air cylinders, a lower clamping plate is detachably arranged above the base, an upper clamping plate is detachably arranged below the pressing plates, and the upper clamping plate and the lower clamping plate are used for penetrating through composite materials. The utility model can control the direction of the traction mechanism through the arranged pressure sensor, and the two traction mechanisms are matched to synchronize the movement operations in different directions, so that the composite material is always at least pulled by one traction mechanism, and the continuity of the traction is ensured by matching with the arranged traction rollers.

Description

Drawing and extruding traction device for special-shaped composite material

Technical Field

The utility model relates to the technical field of traction devices, in particular to a special-shaped composite material pultrusion traction device.

Background

Glass fibers have been widely used as reinforcements for high polymers for the preparation of high performance composites. Unsaturated resin is used as one of five engineering plastics, and is widely applied, and in order to improve the performance of the unsaturated resin and meet higher requirements, glass fiber reinforced unsaturated resin composite materials are continuously researched in recent years, but are limited to short glass fiber reinforced unsaturated composite materials prepared by a melt impregnation method.

Many reports and application examples exist for replacing metal materials by composite materials, and in the future, the carrying spacecraft is developing towards the large-scale and light-weight directions, so that the composite materials with high specific strength and high specific rigidity are gradually and widely applied. The carrier rocket supporting cabin is an important bearing structure in an rocket body structure, and consists of a cone section, stringers and frame rings, and along with the development of a composite material technology, a new generation supporting cabin with a weight reduction requirement also adopts a full composite material structure.

The composite material supporting cabin stringer is manually paved on a steel split die by adopting a hot melting method prepreg, and is heated, pressurized and solidified by an autoclave, the preparation process of the composite material supporting cabin stringer needs to be prepressed and exhausted for many times to reduce the probability of defect generation, the production efficiency is low, the stability of the product quality cannot be ensured, and the composite material stringer is prepared by adopting a more efficient and stable process method.

The large-scale stress support piece is always made of high-strength metal materials, the door frame of the civil air defense door is a main stress piece, and generally, large-scale high-resistance angle steel is used as a main structure of the door frame to ensure that the three-protection door resists high-speed pressure to achieve a protection effect when being acted by shock waves, so that the tensile strength and modulus performance indexes of the composite material can reach or exceed corresponding metal materials.

When the composite material is processed and produced, glass fibers are firstly extracted from a discharging roll and pass through a dip-dyeing groove containing resin, melted resin is attached to the glass fibers, the glass fibers are solidified and shaped through a hot-press shaping device, a shaped finished product is pulled out through a traction mechanism, in the pulling process, larger traction force is needed to pull the finished product out of the hot-press shaping device, but when the special-shaped material is pulled, one end of the composite material is clamped by some traction mechanisms and moves together with the finished product, the composite material is required to be loosened after a certain distance is moved and reset to the initial position, the composite material is clamped and positioned again, the composite material is pulled again to move forwards, in the reset process of the traction mechanism, the extrusion operation of the composite material from the hot-press shaping device is suspended, the quality and the processing efficiency of the finished product can be reduced, or the mode of rotating and pulling the composite material is clamped by using upper and lower rotating rollers, the continuous traction can be realized, but the contact area between the rotating rollers and the surface of the finished product is small, the special-shaped material is easy to slip in the traction process, and when the special-shaped material is not flat, the special-shaped material is not easy to deform due to the fact that the surface of the special-shaped material is extruded when the rotating rollers are used.

Disclosure of Invention

The utility model aims to solve the problem that in the prior art, the continuity effect of a plurality of movable traction mechanisms on the special-shaped composite material during migration is not very good.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a special-shaped combined material pultrusion draw gear, includes workstation and traction mechanism, traction mechanism adjustable slip sets up on the workstation, traction mechanism includes base, side bearer, fixed plate and clamp plate, the side bearer is equipped with two and symmetry sets up base top both sides, the fixed plate is fixed to be set up two between the side bearer, the clamp plate is located under the fixed plate, the fixed plate below pass through the cylinder with clamp plate assembly connection, the base top can be dismantled and be equipped with the lower plate, the clamp plate below can be dismantled and be equipped with the punch holder, be used for passing combined material between punch holder and the lower plate, traction mechanism passes through actuating mechanism and slides and set up on the workstation, traction mechanism is equipped with two, base below both ends are equipped with pressure sensor respectively, two between the traction mechanism be equipped with the traction roller above the workstation.

As a preferred implementation mode, actuating mechanism includes fixed axle, screw rod and first motor, the fixed axle is equipped with two and symmetry setting and is in the inside both sides of workstation, the screw rod rotates and sets up the inside top central point of workstation department, base below central point department be equipped with screw thread cover that the screw rod screw thread set up, base below both sides be equipped with the sliding sleeve that the fixed axle slides and set up, the screw rod passes through first motor drive, through driving first motor, drives the screw rod and rotates, because screw rod and the screw thread cover screw thread rotation connection of base below, can make the screw thread cover take place the displacement for the screw rod, wherein the cooperation of fixed axle and sliding sleeve has guaranteed the stability of base in the removal in-process.

As a preferred implementation mode, the outside of fixed axle is equipped with the spout, the inside embedding of sliding sleeve rotates and is equipped with the ball, the ball rolls and sets up in the spout, through the cooperation of spout and ball for the ball can roll in the spout and remove, changes the part sliding friction between sliding sleeve and the fixed axle into rolling friction, thereby has reduced the resistance when the base removes on the workstation.

As a preferred implementation mode, the center position of the workbench is provided with a fixing seat, the driving mechanism is provided with two groups and respectively drives and sets two traction mechanisms, the first motors are provided with two groups and symmetrically arranged in the fixing seat, the length of the workbench at two sides of the fixing seat is the same, the two traction mechanisms are conveniently separated through the arranged fixing seat, meanwhile, the first motors are conveniently assembled to drive the screw rod, the initial positions of the two traction mechanisms are opposite, when one traction mechanism is positioned at one end of the workbench and starts to pull the composite material, the other traction mechanism is just positioned at the other end of the workbench and starts to loosen the composite material and prepare for returning in an original way, and the composite material can be always kept to be pulled through at least one traction mechanism through the setting of the path, so that the composite material can realize continuous discharging operation.

As a preferred implementation mode, two receiving ends of the pressure sensor are respectively extruded and arranged on the inner side end face of the workbench and one side of the fixing seat, a control box is arranged on the outer side of the workbench, a single chip microcomputer is arranged in the control box, the pressure sensors are respectively electrically connected with a first motor and a cylinder through the single chip microcomputer, the direction of the traction mechanism can be controlled through the arranged pressure sensors, when the first motor drives a screw to rotate and further drives the traction mechanism to clamp the composite material to move and draw towards one end, for example, the traction mechanism close to one end of a hot-press shaping mold is contacted with the pressure sensor at the front end and is extruded to one side of the fixing seat when the traction mechanism moves, the pressure sensor is triggered to drive an air cylinder and the first motor on the traction mechanism simultaneously, the upper clamping plate is separated from the lower clamping plate, the first motor is reversely rotated to drive the traction mechanism to reversely move to the other end under the condition of not clamping the composite material, and when the pressure sensor at the other end of the traction mechanism is in extrusion contact with one end of the inner wall of the workbench, the pressure sensor converts monitoring data into an electric signal through the single chip microcomputer and transmits the electric signal to the air cylinder and the first motor, and the first motor are repeatedly reversely driven in this way.

As a preferred implementation mode, be equipped with the telescopic link between fixed plate and the clamp plate, the telescopic link is equipped with a plurality of and evenly distributed setting, through the telescopic link of setting up, has effectively guaranteed the cylinder and has driven the clamp plate and reciprocate in-process, the stability of clamp plate.

As a preferred implementation mode, the mounting plates are respectively arranged above the upper clamping plate and below the lower clamping plate, the upper clamping plate and the lower clamping plate are respectively connected with the pressing plate and the base in an assembling manner through the mounting plates, the mounting plates are connected with the pressing plate or the base in an assembling manner through bolts, and when the upper clamping plate and the lower clamping plate are subjected to mounting operation, after a proper template is selected, the mounting plates above or below the upper clamping plate and the pressing plate or the base are assembled through bolts.

As a preferred implementation mode, the traction rollers are provided with two groups, the two groups of traction rollers are vertically symmetrically arranged and are rotationally connected with the upper part of the fixing seat, the upper traction roller and the lower traction roller are in linkage arrangement, and one traction roller is driven by a second motor.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the direction of the traction mechanism can be controlled through the arranged pressure sensor, and the two traction mechanisms are matched to synchronously move in different directions, so that the composite material is always pulled through at least one traction mechanism, and the continuous discharging operation of the composite material can be realized, and the continuous traction is ensured by matching with the arranged traction rollers.

2. According to the utility model, the upper clamping plate and the lower clamping plate are detachably assembled, so that the upper clamping plate and the lower clamping plate are conveniently replaced according to composite materials with different shapes, the upper clamping plate and the lower clamping plate are more suitable for the special-shaped materials, and the clamping is more stable.

Drawings

FIG. 1 is a perspective view of a profiled composite pultrusion traction device provided by the present utility model;

FIG. 2 is a schematic drawing of a traction mechanism of a drawing traction device for profiled composite material provided by the utility model;

FIG. 3 is a bottom view of a traction mechanism of a profiled composite pultrusion traction device provided by the present utility model;

FIG. 4 is a schematic view of the internal structure of a workbench of a drawing and pulling device for drawing and extruding a special-shaped composite material;

fig. 5 is a schematic diagram showing the detachment of a fixed shaft and a sliding sleeve of a special-shaped composite material pultrusion traction device.

Legend description:

1. a work table; 2. a base; 3. a side frame; 4. a fixing plate; 5. a pressing plate; 6. a cylinder; 7. an upper clamping plate; 8. a lower clamping plate; 9. a fixed shaft; 10. a screw; 11. a first motor; 12. a thread sleeve; 13. a sliding sleeve; 14. a chute; 15. a ball; 16. a fixing seat; 17. a pressure sensor; 18. a control box; 19. a telescopic rod; 20. a mounting plate; 21. a bolt; 111. a traction roller; 112. and a second motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a special-shaped combined material pultrusion draw gear, including workstation 1 and traction mechanism, traction mechanism adjustable slip sets up on workstation 1, traction mechanism includes base 2, side bearer 3, fixed plate 4 and clamp plate 5, side bearer 3 is equipped with two and symmetry sets up in base 2 top both sides, fixed plate 4 is fixed to be set up between two side bearer 3, clamp plate 5 is located under fixed plate 4, fixed plate 4 below passes through cylinder 6 and clamp plate 5 assembly connection, base 2 top can be dismantled and be equipped with lower plate 8, clamp plate 5 below can be dismantled and be equipped with punch holder 7, be used for passing combined material between punch holder 7 and the lower plate 8, traction mechanism slides through actuating mechanism and sets up on workstation 1, traction mechanism is equipped with two, base 2 below both ends are equipped with pressure sensor 17 respectively, workstation 1 top between two traction mechanism is equipped with traction roller 111.

As shown in fig. 1-4, the driving mechanism comprises a fixed shaft 9, a screw rod 10 and a first motor 11, the fixed shaft 9 is provided with two screws and is symmetrically arranged on two sides inside the workbench 1, the screw rod 10 is rotatably arranged at the center position of the upper part inside the workbench 1, a thread sleeve 12 which is in threaded arrangement with the screw rod 10 is arranged at the center position of the lower part of the base 2, a sliding sleeve 13 which is in sliding arrangement with the fixed shaft 9 is arranged on two sides below the base 2, the screw rod 10 is driven by the first motor 11, the screw rod 10 is driven to rotate by driving the first motor 11, and the thread sleeve 12 below the base 2 is enabled to be displaced relative to the screw rod 10 due to the threaded connection of the screw rod 10 and the screw rod 10, wherein the cooperation of the fixed shaft 9 and the sliding sleeve 13 ensures the stability of the base 2 in the moving process.

As shown in fig. 1-4, a sliding groove 14 is arranged on the outer side of the fixed shaft 9, a ball 15 is embedded and rotated in the sliding sleeve 13, the ball 15 is arranged in the sliding groove 14 in a rolling way, the ball 15 can move in the sliding groove 14 in a rolling way through the cooperation of the sliding groove 14 and the ball 15, and part of sliding friction between the sliding sleeve 13 and the fixed shaft 9 is converted into rolling friction, so that the resistance of the base 2 when moving on the workbench 1 is reduced.

As shown in fig. 1-4, a fixed seat 16 is arranged at the center of the workbench 1, two groups of driving mechanisms are arranged on the driving mechanism and are respectively used for driving the two traction mechanisms, two first motors 11 are symmetrically arranged in the fixed seat 16, the length of the workbench 1 at two sides of the fixed seat 16 is the same, the two traction mechanisms are conveniently separated through the fixed seat 16, meanwhile, the first motors 11 are conveniently assembled, the screw 10 is driven, the initial positions of the two traction mechanisms are opposite, when one traction mechanism is positioned at one end of the workbench 1 and starts to pull the composite material, the other traction mechanism is just positioned at the other end of the workbench 1 and starts to loosen the composite material and prepare for returning in the original path, and the composite material can always be pulled through at least one traction mechanism through the path, so that the composite material can realize continuous discharging operation.

As shown in fig. 1-4, the receiving ends of the two pressure sensors 17 are respectively arranged on the inner side end surface of the workbench 1 and one side of the fixed seat 16 in an extrusion manner, a control box 18 is arranged on the outer side of the workbench 1, a single-chip microcomputer is arranged in the control box 18, a plurality of pressure sensors 17 are respectively electrically connected with the first motor 11 and the air cylinder 6 through the single-chip microcomputer, the directions of the traction mechanisms can be controlled through the arranged pressure sensors 17, when the first motor 11 drives the screw rod 10 to rotate, and then drives the traction mechanisms to clamp the composite material to move and draw towards one end, for example, when the traction mechanisms close to one end of the hot-press shaping mold are driven, the pressure sensors 17 at the front end of the traction mechanisms are contacted with and extruded to one side of the fixed seat 16 during movement, the air cylinder 6 and the first motor 11 are driven simultaneously, the air cylinder 6 is lifted, the upper clamping plate 7 is separated from the lower clamping plate 8, the first motor 11 is reversely rotated, the traction mechanisms are driven to reversely move to the other end under the condition of not clamping the composite material, and when the pressure sensors 17 at the other end of the traction mechanisms are in extrusion contact with one end of the inner wall of the workbench 1, the monitoring cylinder is repeatedly driven by the single-chip microcomputer, and the pressure sensors 17 convert data into electric signals, and the electric signals are transmitted to the first motor and the first motor 11 are reversely driven.

As shown in fig. 1-4, the telescopic rods 19 are arranged between the fixed plate 4 and the pressing plate 5, the telescopic rods 19 are arranged in a plurality of uniformly distributed mode, and the stability of the pressing plate 5 in the process that the air cylinder 6 drives the pressing plate 5 to move up and down is effectively guaranteed through the arranged telescopic rods 19.

As shown in fig. 1-4, a mounting plate 20 is respectively arranged above the upper clamping plate 7 and below the lower clamping plate 8, the upper clamping plate 7 and the lower clamping plate 8 are respectively connected with the pressing plate 5 and the base 2 in an assembling way through the mounting plate 20, the mounting plate 20 is connected with the pressing plate 5 or the base 2 in an assembling way through bolts 21, and when the upper clamping plate 7 and the lower clamping plate 8 are subjected to mounting operation, after a proper template is selected, the mounting plate 20 above or below the upper clamping plate is assembled with the pressing plate 5 or the base 2 through the bolts 21.

As shown in fig. 1-4, two sets of traction rollers 111 are provided, the two sets of traction rollers 111 are vertically symmetrically arranged and are rotationally connected with the upper side of the fixed seat 16, the upper and lower sets of traction rollers 111 are in linkage arrangement, one traction roller 111 is driven by a second motor 112, and even if the two traction mechanisms are alternately switched at the moment, the traction of the composite material can be realized by the traction rollers 111 if the composite material has insufficient traction force, so that the situation of traction interruption is avoided.

Working principle: the device is used to cooperate with the hot-pressing solidification shaping operation of the previous stage, the composite material passes through the hot-pressing solidification shaping mould, the composite material can be hot-pressed into the shape of the inner side of the mould, and the material can be pulled out from the hot-pressing mould through the device, when in traction, the proper upper clamping plate 7 and the proper lower clamping plate 8 are selected and used according to the shape of the material, the upper clamping plate 7 and the lower clamping plate 8 are respectively arranged below the pressing plate 5 and above the base 2, one end of the material extruded from the hot-pressing mould is stably placed above the lower clamping plate 8, the cylinder 6 is further driven, the pressing plate 5 is driven to move downwards, the upper clamping plate 7 and the lower clamping plate 8 are matched, the driving mechanism is further driven, the material is matched with the discharging speed of the hot-pressing mould, the traction mechanism is stably moved on the workbench 1, the material can be stably and continuously pulled out from the mould, and through the two traction mechanisms, the two traction mechanisms can be alternately and continuously and alternately arranged, even if the traction roller 111 is not provided with the composite material, and the situation that the traction roller is not intermittently and can be alternately and continuously and synchronously pulled is avoided when the traction roller is in the situation that the traction is provided.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (8)

1. The utility model provides a special-shaped combined material pultrusion draw gear, includes workstation (1) and traction mechanism, traction mechanism adjustable slip sets up on workstation (1), its characterized in that, traction mechanism includes base (2), side bearer (3), fixed plate (4) and clamp plate (5), side bearer (3) are equipped with two and symmetry setting are in base (2) top both sides, fixed plate (4) are fixed to be set up two between side bearer (3), clamp plate (5) are located under fixed plate (4), fixed plate (4) below pass through cylinder (6) with clamp plate (5) fit connection, base (2) top can be dismantled and be equipped with lower splint (8), clamp plate (5) below can be dismantled and be equipped with punch holder (7), be used for passing combined material between punch holder (7) and the lower splint (8), traction mechanism slides through actuating mechanism and sets up on workstation (1), traction mechanism is equipped with two, base (2) below are equipped with respectively between two traction mechanism's (17) on workstation (111).

2. A profiled composite pultrusion traction device according to claim 1, characterized in that: the driving mechanism comprises a fixed shaft (9), a screw rod (10) and a first motor (11), wherein the fixed shaft (9) is provided with two sliding sleeves (13) which are symmetrically arranged on two sides inside the workbench (1), the screw rod (10) is rotatably arranged at the center position of the upper part inside the workbench (1), a thread bush (12) which is in threaded arrangement with the screw rod (10) is arranged at the center position of the lower part of the base (2), and sliding sleeves (13) which are slidably arranged on the fixed shaft (9) are arranged on two sides below the base (2), and the screw rod (10) is driven by the first motor (11).

3. A profiled composite pultrusion traction device according to claim 2, characterized in that: the outer side of the fixed shaft (9) is provided with a sliding groove (14), a ball (15) is embedded and rotated in the sliding sleeve (13), and the ball (15) is arranged in the sliding groove (14) in a rolling mode.

4. A profiled composite pultrusion traction device according to claim 2, characterized in that: the center position of the workbench (1) is provided with a fixed seat (16), the driving mechanisms are provided with two groups and respectively drive and set two traction mechanisms, the first motor (11) is provided with two groups and symmetrically arranged in the fixed seat (16), and the lengths of the workbench (1) on two sides of the fixed seat (16) are identical.

5. A profiled composite pultrusion traction device according to claim 4, characterized in that: the receiving ends of the two pressure sensors (17) are respectively arranged on the inner side end face of the workbench (1) and one side of the fixing seat (16) in an extrusion mode, a control box (18) is arranged on the outer side of the workbench (1), a single chip microcomputer is arranged in the control box (18), and the pressure sensors (17) are respectively electrically connected with the first motor (11) and the air cylinder (6) through the single chip microcomputer.

6. A profiled composite pultrusion traction device according to claim 1, characterized in that: the telescopic rods (19) are arranged between the fixing plate (4) and the pressing plate (5), and the telescopic rods (19) are arranged in a plurality of uniformly distributed mode.

7. A profiled composite pultrusion traction device according to claim 1, characterized in that: the upper clamping plate (7) is provided with a mounting plate (20) above the upper clamping plate (7) and below the lower clamping plate (8) respectively, the upper clamping plate (7) and the lower clamping plate (8) are connected with the pressing plate (5) and the base (2) in an assembling mode through the mounting plate (20), and the mounting plate (20) is connected with the pressing plate (5) or the base (2) in an assembling mode through bolts (21).

8. A profiled composite pultrusion traction device according to claim 4, characterized in that: the traction rollers (111) are provided with two groups, the two groups of traction rollers (111) are vertically symmetrically arranged and are rotationally connected with the upper part of the fixing seat (16), the upper traction roller (111) and the lower traction roller (111) are in linkage arrangement, and one traction roller (111) is driven by a second motor (112).