CN217968497U

CN217968497U - Preforming die tool suitable for pultrusion product with concave surface

Info

Publication number: CN217968497U
Application number: CN202221621562.4U
Authority: CN
Inventors: 钟国栋; 刘传瑞; 杨威
Original assignee: Zhongfu Carbon Fiber Core Cable Technology Co ltd
Current assignee: Zhongfu Carbon Fiber Core Cable Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-06
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a pre-forming die tool suitable for a pultrusion product with a concave surface, which comprises a die body, wherein the die body is provided with an inlet for auxiliary materials and the pultrusion product to pass through, and a convex positioning piece for transiting the auxiliary materials from a plane to a convex surface to stretch the auxiliary materials and perfectly laminating the auxiliary materials and the concave surface of the pultrusion product is arranged at the inlet; the convex positioning piece comprises a positioning block arranged on one side of the auxiliary material, the positioning block is slidably mounted on the die body at the inlet through a sliding connection piece, a convex surface matched with the concave surface of the pultrusion product is arranged on one side of the positioning block, and the convex surface and the concave surface of the pultrusion product are positioned on the same horizontal plane. Mould frock can make auxiliary material can stably adhere to the goods surface, possess quick installation and dismantle convenient function simultaneously.

Description

Preforming die tool suitable for pultrusion product with concave surface

Technical Field

The utility model belongs to the technical field of the pultrusion of fiber product, in particular to preforming mould frock suitable for pultrusion goods that have the concave surface.

Background

In the field of pultrusion processes, products are various in shapes, products with concave surfaces are not few, and due to the fact that the concave surfaces are stressed inwards in the pultrusion process, auxiliary materials are added on the surfaces of the concave portions, the auxiliary materials have the problems of deviation, inclusion, wrinkling, tilting and the like in the process of being attached to the pultruded products, waste products can be reported when the auxiliary materials are changed to a certain degree, and finally the product percent of pass is affected due to the out-of-control phenomenon in production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a preforming mould frock suitable for pultrusion goods that has the concave surface. This mould frock can make auxiliary material can stably adhere to the goods surface, possesses quick installation and dismantles convenient function simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pre-forming die tool suitable for a pultruded product with a concave surface is characterized by comprising a die body, wherein the die body is provided with an inlet for auxiliary materials and the pultruded product to pass through, and the inlet is provided with a convex positioning piece for transiting the auxiliary materials from a plane to a convex surface to stretch the auxiliary materials and perfectly fit the concave surface of the pultruded product;

the convex positioning piece comprises a positioning block arranged on one side of the auxiliary material, the positioning block is slidably mounted on the die body at the inlet through a sliding connection piece, the positioning block is provided with a convex surface matched with the concave surface of the pultrusion product, and the convex surface and the concave surface of the pultrusion product are positioned on the same horizontal plane.

The utility model discloses the technical problem that will solve can also be realized through following technical scheme, sliding connection spare including establish on the mould body spout and with spout complex sliding seat, the sliding seat meets with the locating piece is fixed, the spout sets up along the width direction of mould body entry and makes the sliding seat draw close or keep away from to the entry of mould body.

The utility model discloses the technical problem that will solve can also realize through following technical scheme still be equipped with sliding connection spare's guiding mechanism on the mould body.

The utility model discloses the technical problem that will solve can also be realized through following technical scheme, guiding mechanism includes the slide rail with spout axis parallel arrangement, and slide rail department slidable mounting has the slider, and the slider passes through the spring to be connected with sliding connection's sliding seat.

The utility model discloses the technical problem that will solve can also be realized through following technical scheme be equipped with the sawtooth area that realizes accurate location to auxiliary material on the cell wall of spout, be equipped with on the sliding seat with sawtooth area engaged with rack.

The utility model discloses the technical problem that will solve can also be realized through following technical scheme the top surface and the bottom surface of locating piece are equipped with the limiting plate that prevents the auxiliary material off tracking, and the limiting plate passes through the bolt fastening on the locating piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) The auxiliary material is transited from a plane to a convex surface through a positioning block with a convex surface, which is manufactured in a matched way with the shape of a specific concave surface, and is perfectly attached to the concave surface of the prepreg;

(2) Through slider, spring and sawtooth area, the entry surface that can be fine stabilize and install the locating piece fast, during the dismantlement, utilizes the screw hole on the locating piece, separates the convex setting element from the sawtooth area through bolted connection.

Drawings

Fig. 1 is a structural diagram of the preforming tool of the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a structural diagram of a die body in the pre-forming die tooling of the present invention;

fig. 4 is a structural diagram of a convex positioning element in the pre-forming die tool of the present invention;

fig. 5 is a top view of fig. 4.

In the figure: 1-a die body, 2-an inlet, 3-a sliding seat, 4-a sliding rail, 5-a sawtooth belt, 6-a sliding block, 7-a spring, 8-a positioning block, 9-a threaded hole, 10-a convex surface, 11-an auxiliary material, 12-a pultrusion product and 13-a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a pre-forming die tool suitable for a pultruded product with a concave surface comprises a die body 1, wherein the die body 1 is provided with an inlet 2 for auxiliary materials and the pultruded product to pass through, and a convex positioning piece for enabling the auxiliary materials to transition from a plane to a convex surface to be unfolded and be perfectly attached to the concave surface of the pultruded product is arranged at the inlet 2; the convex positioning piece comprises a positioning block 8 arranged on one side of the auxiliary material, the positioning block 8 is slidably mounted on the die body 1 at the inlet 2 through a sliding connecting piece, a convex surface 10 matched with the concave surface of the pultrusion product is arranged on one side of the positioning block 8, and the convex surface 10 and the concave surface of the pultrusion product are positioned on the same horizontal plane.

The sliding connecting piece comprises a sliding groove arranged on the die body 1 and a sliding seat 3 matched with the sliding groove, the sliding seat 3 is fixedly connected with the positioning block 8, and the sliding groove is arranged along the width direction of the entrance of the die body to enable the sliding seat 3 to approach or move away from the entrance of the die body 1; still be equipped with sliding connection's guiding mechanism on the mould body 1, guiding mechanism includes the slide rail 4 with spout axis parallel arrangement, and slide rail 4 department slidable mounting has slider 6, and slider 6 is connected with sliding connection's sliding seat 3 through spring 7.

A sawtooth belt 5 which can realize accurate positioning of the auxiliary material is arranged on the groove wall of the sliding groove, a rack which is meshed with the sawtooth belt is arranged on the sliding seat,

limiting plates 13 for preventing the auxiliary material from deviating are arranged on the top surface and the bottom surface of the positioning block 8, the limiting plates 13 are fixed on the positioning block 8 through bolts, a transition section for accurately positioning the auxiliary material is formed by the convex surface of the positioning block 8 between the top surface limiting plate 13 and the bottom surface limiting plate 13, and one side, close to an inlet, of each limiting plate 13 is arranged into an arc shape matched with the deformation condition of the auxiliary material, so that the guiding precision of the transition section to the auxiliary material is improved;

the convex positioning piece is installed in a mode that the sliding block 6 is installed on the die body from the sliding rail, under the action of the pulling force of the spring, the rack on the sliding seat is matched with the sawtooth belt on the sliding groove, the positioning piece is tightly fixed in front of the die body, and the installation stability of the positioning piece is guaranteed;

when the auxiliary material pulling device works, the auxiliary material is perfectly attached to the concave surface of the pultrusion product under the guidance of the convex surface of the positioning block, and then the auxiliary material is accurately positioned under the action of the limiting plate.

The pultruded article comprises one or more recessed portions; the resin system of the pultrusion product can be selected from epoxy resin, unsaturated polyester, vinyl resin and the like; the convex positioning piece is made of high-temperature-resistant polyimide or common steel; the auxiliary material includes: glass fiber cloth, demoulding cloth, carbon glass cloth, glass fiber felt and the like.

The following implementation steps are carried out:

(a) The auxiliary materials are placed at the same level at the concave surface of the product;

(b) Enabling the glass fiber to pass through a glue groove, soaking epoxy resin to form a prepreg, and enabling the prepreg to enter an inlet through a pre-forming tool;

(c) The positioning block enters an appointed area through the slide rails on the two sides;

(d) Fixed to the inlet of the mould by a toothed belt;

(e) And the auxiliary material and the prepreg enter the die together for curing through the guidance of the fixed convex positioning piece, and finally, a pultrusion product is manufactured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pre-forming die tool suitable for a pultrusion product with a concave surface is characterized by comprising a die body, wherein the die body is provided with an inlet through which an auxiliary material and the pultrusion product pass, and a convex positioning piece for enabling the auxiliary material to transition from a plane to a convex surface so as to stretch and be perfectly attached to the concave surface of the pultrusion product is arranged at the inlet;

2. The pre-forming die assembly suitable for the pultrusion product with the concave surface as claimed in claim 1, wherein the sliding connection piece includes a sliding groove formed on the die body and a sliding seat engaged with the sliding groove, the sliding seat is fixedly connected with the positioning block, and the sliding groove is arranged along a width direction of the entrance of the die body so that the sliding seat is close to or away from the entrance of the die body.

3. A pre-forming die tooling assembly suitable for a pultruded product with a concave surface according to claim 2, wherein a guiding mechanism of a sliding connector is further provided on the die body.

4. The pre-forming die tool suitable for the pultrusion products with the concave surfaces as claimed in claim 3, wherein the guide mechanism comprises a slide rail arranged in parallel with the axis of the slide groove, a slide block is slidably mounted at the slide rail, and the slide block is connected with a slide seat of the slide connecting piece through a spring.

5. The pre-forming die assembly suitable for the pultrusion products with the concave surfaces as claimed in claim 2, characterized in that a serrated belt for achieving accurate positioning of the auxiliary material is arranged on the groove wall of the chute, and a rack meshed with the serrated belt is arranged on the sliding seat.

6. The pre-forming die tooling for the pultrusion products with the concave surfaces as claimed in claim 1, wherein the top surface and the bottom surface of the positioning block are provided with limiting plates for preventing auxiliary materials from deviating, and the limiting plates are fixed on the positioning block through bolts.