CN217346807U - Core die tensioning and rotating device - Google Patents

Abstract

The invention discloses a core die tensioning and rotating device which comprises a rigid support framework, a winding equipment tailstock and a core die, wherein a central hole is formed in one end of the rigid support framework, and one end of the rigid support framework is connected with the thimble winding equipment tailstock through an anti-rotating mechanism; the two ends of the core mould are supported by bearings, a quick clamp for locking the bearings is arranged on a rigid support framework, and the core mould is in a tensioned state; the invention overcomes the problems of insufficient rigidity of the core mould and mould deformation caused by side force of the filament bundle during winding, and can produce the pipe fitting with high straightness.

Description

Core die tensioning and rotating device

Technical Field

The invention relates to the technical field of composite material processing, in particular to a core die tensioning and rotating device.

Background

In the field of tubular composite material processing, a core mold winding mode is usually adopted for processing, but the currently common core mold tooling is a mode of being tightly jacked or simply supported beams, the strength and rigidity requirements of the core mold are high, when a slender rod piece or a pipe fitting is produced, the core mold is stretched and bent due to the fact that yarns have side tension on the core mold during winding, one end of the core mold is clamped and the other end of the core mold is tightly jacked, the core mold can be bent due to the self weight of the simply supported core mold at two ends, and the core mold tensioning rotating device is provided to overcome the defects of the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a core die tensioning and rotating device.

The invention is realized by the following technical scheme:

a core mold tensioning and rotating device comprises a rigid supporting framework, a winding equipment tailstock and a core mold, wherein a central hole is formed in one end of the rigid supporting framework, an ejector pin is arranged on the winding equipment tailstock and matched with the central hole, and one end of the rigid supporting framework is connected with the winding equipment tailstock through an anti-rotating mechanism; a first bearing is installed at one end of the core mold, a tensioning nut with a step is installed between the first bearing and the end part of one end of the core mold, the step is connected with an inner ring of the first bearing, a first U-shaped groove is formed in the other end of the rigid support framework, and the first bearing is installed in the first U-shaped groove; a second bearing is installed at the other end of the core mold, a nut is installed between the second bearing and the end part of the other end of the core mold, an inner ring of the second bearing is connected with the nut through a tensioning sleeve, a second U-shaped groove is formed in one end of the rigid support framework, and the second bearing is installed in the second U-shaped groove; a first quick clamp and a second quick clamp matched with the first bearing and the second bearing are respectively arranged at the first U-shaped groove and the second U-shaped groove on the rigid support framework; the core mold is in a tensioned state.

Preferably, one end of the core mold is connected with the driving shaft, the core mold can be integrally processed or can be spliced through thread matching, and the direction of the thread is opposite to the rotating direction of the core mold.

Preferably, a demoulding ring is slidably mounted at one end of the core mould between the first bearing and the second bearing.

Preferably, a wear-resistant sleeve is arranged in the central hole, and the ejector pin is matched with the wear-resistant sleeve.

Preferably, the first U-shaped groove and the second U-shaped groove are internally provided with a limit groove matched with the first bearing and the second bearing respectively.

Preferably, the rotation preventing mechanism comprises a first transverse plate, a vertical plate and a second transverse plate, one end of the first transverse plate is connected with one end of the vertical plate, the other end of the vertical plate is connected with the second transverse plate to form a Z-shaped structure, the first transverse plate is connected with the tail seat of the winding equipment, and the second transverse plate is connected with the rigid support framework.

The invention has the beneficial effects that: the two ends of the slender core mould are tensioned, so that the influence of lateral force and gravity on the core mould can be overcome, the core mould is in a tensioned state, the straightness of the core mould is ensured, and the requirement on the rigidity of the core mould is reduced; the invention overcomes the defects of insufficient rigidity of the core mould and deformation of the core mould caused by side force of the tows during winding, and ensures that the produced product has high straightness and good beneficial effects.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is an axial view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a sectional view taken along the line a of fig. 2.

Fig. 4 is an enlarged view of fig. 3 at point i.

Fig. 5 is an enlarged view of fig. 3 at point ii.

Fig. 6 is a partial view of the quick clamp of the present invention.

In the attached drawing, the device comprises a rigid support framework 1, a core mold 2, a core mold 3, a first bearing 4, a second bearing 5, a tensioning nut 6, a tensioning sleeve 7, an anti-rotation mechanism 8, a nut 9, a wear-resistant sleeve 10, a demolding switch 11, a winding device tailstock 12, a second quick clamp 13, a first quick clamp 14 and an ejector pin.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention is described in detail below with reference to the attached drawing figures: the invention discloses a core mold tensioning and rotating device, which comprises a rigid support framework 1, a tail seat 11 of a winding device and a core mold 2, and is characterized in that: one end of the rigid support framework 1 is provided with a central hole, the tail seat 11 of the winding device is provided with an ejector pin 14, the ejector pin 14 is matched with the central hole, and one end of the rigid support framework 1 is connected with the tail seat 11 of the winding device through an anti-rotation mechanism 7, so that the rigid support framework 1 is kept still relative to the tail seat 11 of the winding device in the winding process; a first bearing 3 is installed at one end of the core mold 2, a tensioning nut 5 with a step is installed between the first bearing 3 and one end of the core mold 2, the step is connected with an inner ring of the first bearing 3, the position of the first bearing 3 can be rapidly adjusted through the tensioning nut 5, the tensioning force of the core mold 2 is passively borne, a first U-shaped groove is formed in the other end of the rigid support framework 1, and the first bearing 3 is installed in the first U-shaped groove; a second bearing 4 is installed at the other end of the core mold 2, a nut 8 is installed between the second bearing 4 and the end part of the other end of the core mold 2, an inner ring of the second bearing 4 is connected with the nut 8 through a tensioning sleeve 6, the nut 8 applies certain tension to the core mold 2 through a torque wrench to enable the core mold 2 to be in a tensioned state, a second U-shaped groove is formed in one end of the rigid support framework 1, and the second bearing 4 is installed in the second U-shaped groove; a first quick clamp 13 and a second quick clamp 12 which are matched with a first bearing and a second bearing are respectively arranged at a first U-shaped groove and a second U-shaped groove on the rigid supporting framework 1, the outer circle of the bearing can be pressed when the quick clamps are locked, the bearing can be quickly taken out when the quick clamps are opened, the quick clamps are standard purchasing parts, the pressing force of the quick clamps can be adjusted through a screw rod and a nut on the quick clamps, the pressing position can be adjusted by loosening the nut on the quick clamps, the handle is in a loosening state when standing up, and the handle is in a pressing state when being pressed down.

The core mold 2 can be integrally processed, when the length-diameter ratio of the core mold 2 is too large, the core mold 2 can be spliced through thread matching, the direction of the threads is opposite to the rotating direction of the core mold 2, so that the core mold 2 cannot be loosened during winding and fixed telephone processes, the core mold 2 can be recycled, can be used as a part of a product, and does not need to be demoulded when being used as a part of the product; in the whole winding and curing process, one end of the core die 2 is connected with the driving shaft, the rigid supporting framework 1 is fixed, or the core die 2 is fixed, and the winding product is produced by rotating the winding screw nozzle around the core die 2.

A demoulding ring 10 is slidably mounted at one end of the core mould 2 between the first bearing 3 and the second bearing 4, and the demoulding ring 10 can be mounted on the core mould 2 before winding so as to facilitate demoulding.

The wear-resistant sleeve 9 is arranged in the central hole, the ejector pin 14 is matched with the wear-resistant sleeve 9, and the arrangement of the wear-resistant sleeve can keep the precision of the device for a long time.

And limiting grooves matched with the first bearing 3 and the second bearing 4 are respectively arranged in the first U-shaped groove and the second U-shaped groove.

Prevent that favourable turn 7 includes first diaphragm, riser and second diaphragm, and the one end of first diaphragm links to each other with the one end of riser, and the other end of riser links to each other with the second diaphragm and constitutes Z shape structure, and first diaphragm links to each other with winding equipment tailstock 11, and the second diaphragm links to each other with rigid support skeleton 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a core mould rises and tightly rotates device, includes rigid support skeleton (1), winding equipment tailstock (11) and core mould (2), its characterized in that: one end of the rigid support framework (1) is provided with a center hole, the tail seat (11) of the winding equipment is provided with an ejector pin (14), the ejector pin (14) is matched with the center hole, and one end of the rigid support framework (1) is connected with the tail seat (11) of the winding equipment through an anti-rotation mechanism (7); a first bearing (3) is installed at one end of the core mold (2), a tensioning nut (5) with a step is installed between the first bearing (3) and the end part of one end of the core mold (2), the step is connected with an inner ring of the first bearing (3), a first U-shaped groove is formed in the other end of the rigid support framework (1), and the first bearing (3) is installed in the first U-shaped groove; a second bearing (4) is installed at the other end of the core mold (2), a nut (8) is installed between the second bearing (4) and the end part of the other end of the core mold (2), an inner ring of the second bearing (4) is connected with the nut (8) through a tensioning sleeve (6), a second U-shaped groove is formed in one end of the rigid support framework (1), and the second bearing (4) is installed in the second U-shaped groove; a first quick clamp (13) and a second quick clamp (12) matched with the first bearing and the second bearing are respectively arranged at the first U-shaped groove and the second U-shaped groove on the rigid support framework (1); the core mould (2) is in a tensioned state.

2. The mandrel tensioning rotation device according to claim 1, wherein: the core mould (2) is spliced through thread matching, and the direction of the threads is opposite to the rotating direction of the core mould (2).

3. The mandrel tensioning rotation device as claimed in claim 1, wherein: and a demoulding ring (10) is slidably arranged at one end between the first bearing (3) and the second bearing (4) on the core mould (2).

4. The mandrel tensioning rotation device according to claim 1, wherein: and a wear-resistant sleeve (9) is arranged in the central hole, and the ejector pin (14) is matched with the wear-resistant sleeve (9).

5. The mandrel tensioning rotation device as claimed in claim 1, wherein: and limiting grooves matched with the first bearing (3) and the second bearing (4) are respectively arranged in the first U-shaped groove and the second U-shaped groove.

6. The mandrel tensioning rotation device as claimed in claim 1, wherein: the anti-rotation mechanism (7) comprises a first transverse plate, a vertical plate and a second transverse plate, one end of the first transverse plate is connected with one end of the vertical plate, the other end of the vertical plate is connected with the second transverse plate to form a Z-shaped structure, the first transverse plate is connected with a tail seat (11) of the winding equipment, and the second transverse plate is connected with a rigid support framework (1).

Images