Cold extrusion device for strengthening hole wall of composite material laminated plate

Abstract

The utility model relates to the technical field of cold extrusion, in particular to a cold extrusion device for strengthening a hole wall of a composite material laminated plate, which comprises a working table, an extrusion mechanism is arranged in the working table, a groove is arranged at the top of the working table and below the extrusion mechanism, and a controller is arranged on the front side of the working table. A power plug is fixedly connected to the position, close to the controller, of the outer wall of the workbench. And the extrusion mechanism comprises a rotating cylinder rotationally connected to the interior of the workbench, a rotating shaft is fixedly connected to the center of the interior of the rotating cylinder, and a connecting sleeve is slidably connected to the position, away from the rotating shaft, of the interior of the rotating cylinder. The extrusion mechanism in the device is used for extruding and strengthening the hole wall, and the problems that a core rod in an existing cold extrusion device is single in specification, only the hole wall with the single hole diameter can be strengthened, and adaptability is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold extrusion technical field, concretely is a kind of cold extrusion device for composite material laminated board hole wall strengthening. BACKGROUND

[0002] Cold extrusion device is the equipment for composite material laminated board to be used to strengthen hole wall, but existing cold extrusion device still has the deficiency, specifically: the single specification of core rod in the existing cold extrusion device can only strengthen the hole wall of single aperture, and the adaptability is poor.

[0003] Therefore, a kind of cold extrusion device for composite material laminated board hole wall strengthening is needed to solve the problems raised in the above background technique. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of cold extrusion device for composite material laminated board hole wall strengthening to solve the problems raised in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of cold extrusion device for composite material laminated board hole wall strengthening, including workbench, the inside of the workbench is provided with extrusion mechanism, recess is set in the top of the workbench and below extrusion mechanism, the front of the workbench is installed with controller, the outer wall of the workbench is fixedly connected with power plug at the position close to controller;

[0007] The extrusion mechanism includes rotating cylinder rotationally connected in the inside of workbench, rotating shaft is fixedly connected at the inside center of rotating cylinder, connecting sleeve is slidably connected in the inside of rotating cylinder and at the position away from rotating shaft, the front, back and both sides of the outer wall of connecting sleeve are slidably connected with sliding block in rotating cylinder, the top of sliding block is fixedly connected with return spring, connecting screw is screw-connected in the inside of connecting sleeve, extrusion core rod is fixedly connected at the bottom of connecting screw and above connecting sleeve, adjusting motor is fixedly connected in the inside of workbench and above rotating shaft, electric push rod is fixedly connected in the inside of workbench and above rotating cylinder, and the bottom of electric push rod is fixedly connected with connecting rod.

[0008] As the preferred scheme of the utility model, the workbench is designed as L-shaped structure, and the controller and the power plug are electrically connected.

[0009] As the preferred scheme of the utility model, the rotating cylinder and the connecting sleeve are made of aluminum alloy, the connecting sleeve, the return spring and the extrusion core rod are provided with multiple groups, the diameters of the multiple groups of extrusion core rods form an arithmetic sequence, and the return spring, the rotating cylinder, the adjusting motor and the rotating shaft are fixedly connected.

[0010] As the preferred scheme of the utility model, the extrusion mandrel and the connecting rod are made of high-strength alloy steel, the rotating shaft and the extrusion mandrel both penetrate and extend to the outside of the rotating cylinder, and the connecting mode of the sliding block and the rotating cylinder is sliding connection.

[0011] As the preferred scheme of the utility model, the diameter of the connecting rod is matched with the diameter of the connecting sleeve, and the connecting mode of the rotating shaft and the workbench is rotary connection.

[0012] As the preferred scheme of the utility model, the sliding block is designed in a convex letter shape, and the connecting mode of the adjusting motor, the electric push rod and the controller is all electric connection.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、in the utility model, through design a kind of composite material laminated board hole wall strengthening with cold extrusion device, utilize the extrusion mechanism in the device to extrude reinforced hole wall, place composite material laminated board hole on workbench, make the slot hole on composite material laminated board align with recess, controller starts adjusting motor, adjusting motor is rotated to rotating cylinder by rotating shaft, rotating cylinder is rotated to the extrusion mandrel in its inside and the slot hole on composite material laminated board are matched and is rotated to the just below of connecting rod, controller closes adjusting motor, adjusting motor no longer rotates rotating cylinder, controller starts electric push rod, electric push rod pushes down connecting rod, and the connecting sleeve and extrusion mandrel are lowered, and the extrusion mandrel is inserted into the slot hole on composite material laminated board, so that the hole wall of slot hole is elastically deformed, and circumferential residual compressive stress and radial residual compressive stress are formed, the fatigue life and fatigue resistance of slot hole are improved, the rotation angle of rotating cylinder is adjusted, so that the extrusion mandrel of different diameters is rotated to connecting rod, so that the extrusion mandrel of different diameters can be strengthened to slot hole, the problem that the core rod specification in the existing cold extrusion device is single, and only the hole wall of single hole diameter can be strengthened is solved, and the adaptability is poor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is the utility model Figure 2 A enlarged view in the utility model.

[0018] In the figure: 1, workbench; 2, extrusion mechanism; 3, groove; 4, controller; 5, power plug; 201, rotating cylinder; 202, rotating shaft; 203, connecting sleeve; 204, sliding block; 205, return spring; 206, connecting screw; 207, extrusion mandrel; 208, adjusting motor; 209, electric push rod; 210, connecting rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or intervening elements can 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 can also be present. The terms "vertical", "horizontal", "left", "right" and similar terms as used herein are for the purpose of description only.

[0022] Unless otherwise defined, 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 application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0023] Embodiments, please see Figures 1-3 The present application provides a technical solution:

[0024] A composite material laminated plate hole wall reinforcing cold extrusion device, comprising a workbench 1, the inside of the workbench 1 is provided with an extrusion mechanism 2, the top of the workbench 1 and below the extrusion mechanism 2 is provided with a groove 3, the front of the workbench 1 is installed with a controller 4, the outer wall of the workbench 1 and the position close to the controller 4 are fixedly connected with a power plug 5;

[0025] The workbench 1 is of L-shaped structure, and the controller 4 is electrically connected with the power plug 5.

[0026] In this embodiment, referring to Figure 2 and Figure 3 , the extrusion mechanism 2 comprises a rotating cylinder 201 rotatably connected in the workbench 1, a rotating shaft 202 fixedly connected at the center of the interior of the rotating cylinder 201, a connecting sleeve 203 slidably connected in the interior of the rotating cylinder 201 and away from the rotating shaft 202, a sliding block 204 slidably connected on the front, back and both sides of the outer wall of the connecting sleeve 203 and in the rotating cylinder 201, a return spring 205 fixedly connected on the top of the sliding block 204, a connecting screw 206 threadedly connected in the interior of the connecting sleeve 203, an extrusion core rod 207 fixedly connected on the bottom of the connecting screw 206 and above the connecting sleeve 203, an adjusting motor 208 fixedly connected in the interior of the workbench 1 and above the rotating shaft 202, and an electric push rod 209 fixedly connected in the interior of the workbench 1 and above the rotating cylinder 201, with a connecting rod 210 fixedly connected on the bottom of the electric push rod 209.

[0027] The rotating cylinder 201 and the connecting sleeve 203 are both made of aluminum alloy, the connecting sleeve 203, the return spring 205 and the extrusion core rod 207 are all provided in multiple groups, the diameters of the multiple groups of extrusion core rods 207 form an arithmetic sequence, the return spring 205 and the rotating cylinder 201 are fixedly connected, the adjusting motor 208 and the rotating shaft 202 are fixedly connected, the extrusion core rod 207 and the connecting rod 210 are both made of high-strength alloy steel, the rotating shaft 202 and the extrusion core rod 207 both penetrate through and extend out of the rotating cylinder 201, the sliding block 204 is slidably connected with the rotating cylinder 201, the diameter of the connecting rod 210 is adapted to the diameter of the connecting sleeve 203, the rotating shaft 202 is rotatably connected with the workbench 1, the sliding block 204 is of convex structure, the adjusting motor 208 and the electric push rod 209 are electrically connected with the controller 4, the composite material laminate hole is placed on the workbench 1 so that the slot hole on the composite material laminate is aligned with the groove 3, the controller 4 starts the adjusting motor 208, the adjusting motor 208 drives the rotating cylinder 201 to rotate through the rotating shaft 202, the rotating cylinder 201 rotates the extrusion core rod 207 in its interior and adapted to the slot hole on the composite material laminate to be directly below the connecting rod 210, the controller 4 stops the adjusting motor 208 from rotating the rotating cylinder 201, the controller 4 starts the electric push rod 209, the electric push rod 209 pushes the connecting rod 210 to move downward, the downward moving connecting rod 210 pushes the connecting sleeve 203 and the extrusion core rod 207 to descend, the descending extrusion core rod 207 is inserted into the slot hole on the composite material laminate, the hole wall of the slot hole is elastically and plastically deformed, circumferential and radial residual compressive stresses are formed, and the fatigue life and fatigue resistance of the slot hole are improved.

[0028] The working process of the utility model: when the composite laminated plate hole wall strengthening cold extrusion device designed by the scheme is running, the composite laminated plate hole is placed on the workbench 1, the slot hole on the composite laminated plate is aligned with the recess 3, the controller 4 starts the adjusting motor 208, the adjusting motor 208 drives the rotary cylinder 201 to rotate through the rotating shaft 202, the rotary cylinder 201 rotates the extrusion mandrel 207 in its inside and the slot hole on the composite laminated plate to the right below the connecting rod 210, the controller 4 closes the adjusting motor 208, the adjusting motor 208 no longer drives the rotary cylinder 201 to rotate, the controller 4 starts the electric push rod 209, the electric push rod 209 pushes the connecting rod 210 to move downwards, the connecting rod 210 moving downwards will push the connecting sleeve 203 and the extrusion mandrel 207 to descend, the extrusion mandrel 207 descending will be inserted into the slot hole on the composite laminated plate, the hole wall of the slot hole will be elastically and plastically deformed, the circumferential residual compressive stress and the radial residual compressive stress are formed, the fatigue life and the fatigue resistance of the slot hole are improved, after the extrusion strengthening is completed, the electric push rod 209 drives the connecting rod 210 to move upwards, the connecting rod 210 moving upwards no longer extrudes the connecting sleeve 203, the reset spring 205 drives the connecting sleeve 203 and the extrusion mandrel 207 to rise through the sliding block 204, the extrusion mandrel 207 moving upwards exits the slot hole on the composite laminated plate.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cold extrusion device for reinforcing the walls of holes in composite material laminates, comprising a worktable (1), characterised in that: The inside of the workbench (1) is provided with an extrusion mechanism (2), the top of the workbench (1) and below the extrusion mechanism (2) is provided with a groove (3), the front of the workbench (1) is provided with a controller (4), and the outer wall of the workbench (1) and close to the controller (4) is fixedly connected with a power plug (5). The extrusion mechanism (2) comprises a rotating cylinder (201) rotatably connected in the workbench (1), a rotating shaft (202) fixedly connected at the center of the inside of the rotating cylinder (201), a connecting sleeve (203) slidably connected in the inside of the rotating cylinder (201) and away from the rotating shaft (202), a sliding block (204) slidably connected to the front, back and both sides of the outer wall of the connecting sleeve (203) and in the rotating cylinder (201), a reset spring (205) fixedly connected to the top of the sliding block (204), a connecting screw (206) threadedly connected in the connecting sleeve (203), an extrusion core rod (207) fixedly connected to the bottom end of the connecting screw (206) and above the connecting sleeve (203), an adjusting motor (208) fixedly connected in the workbench (1) and above the rotating shaft (202), and an electric push rod (209) fixedly connected in the workbench (1) and above the rotating cylinder (201), wherein the bottom of the electric push rod (209) is fixedly connected with a connecting rod (210).

2. A cold extrusion device for reinforcing a hole wall of a composite material laminate according to claim 1, characterized by: The workbench (1) is designed in an L-shaped structure, and the controller (4) and the power plug (5) are electrically connected.

3. A cold extrusion device for reinforcing a hole wall of a composite material laminate according to claim 1, characterized by: The rotating cylinder (201) and the connecting sleeve (203) are both made of aluminum alloy, the connecting sleeve (203), the reset spring (205) and the extrusion core rod (207) are all provided with multiple groups, and the diameters of the multiple groups of extrusion core rods (207) form an arithmetic sequence, and the reset spring (205) is fixedly connected with the rotating cylinder (201) and the adjusting motor (208) is fixedly connected with the rotating shaft (202).

4. The cold extrusion device for reinforcing a hole wall of a composite material laminate according to Claim 1, characterized by: The extrusion core rod (207) and the connecting rod (210) are both made of high-strength alloy steel, the rotating shaft (202) and the extrusion core rod (207) both penetrate and extend out of the rotating cylinder (201), and the sliding block (204) is slidably connected with the rotating cylinder (201).

5. The cold extrusion device for reinforcing a hole wall of a composite material laminate according to Claim 1, characterized by: The diameter of the connecting rod (210) is matched with the diameter of the connecting sleeve (203), and the rotating shaft (202) is rotatably connected with the workbench (1).

6. A cold extrusion device for reinforcing a hole wall of a composite material laminate according to claim 1, characterized by: The sliding block (204) is designed in a convex structure, and the adjusting motor (208), the electric push rod (209) and the controller (4) are electrically connected.

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