Multi-station four-shaft door hinge positioning tool

Abstract

The utility model provides a multi-station four-shaft door hinge positioning tool, which belongs to the technical field of door hinge positioning, and comprises a turntable, a plurality of positioning mechanisms are arranged on the turntable, each positioning mechanism comprises a fixed plate, two equal-height blocks and a pressing plate are arranged on the fixed plate, a plurality of optical shafts and positioning blocks are arranged between the two equal-height blocks, and the positioning plates are arranged on the fixed plate. A door hinge body is placed in a positioning groove of the positioning block, an auxiliary positioning assembly is arranged in a through hole in the side wall of the positioning block, the auxiliary positioning assembly comprises a screw, a spring and an elastic pin, and the front end of the elastic pin abuts against and positions the door hinge body. An auxiliary supporting acting force is provided for a door hinge to be machined, pre-positioning is carried out on the premise that a workpiece cannot move left and right in the machining process, the precision of the workpiece is improved, subsequent clamping and multi-station design is also facilitated, batched and continuous production of the door hinge is achieved, the tool structure is optimized, and the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of door hinge positioning, and specifically relates to a multi-station four-axis door hinge positioning tool. BACKGROUND

[0002] Door hinges are also commonly referred to as hinges, which are a kind of hardware fittings connecting doors and door frames. They allow doors to rotate around the hinge axis for opening and closing. Door hinges are an important component of door hardware, and their performance directly affects the smoothness and service life of the door. There are various types of door hinges, including ordinary hinges, stainless steel hinges, hydraulic hinges, built-in hinges, and folding hinges. When selecting a door hinge, factors such as door weight, material, usage frequency, and environmental conditions should be considered to ensure the safety and smoothness of the door.

[0003] With the development of modern manufacturing, the production of door hinges is gradually moving towards high precision, high efficiency, and automation. Traditional single-station door hinge production methods have difficulty meeting the needs of mass production. During the process of placing door hinges in the positioning tool clamps, workers need to manually hold the door hinges to be processed first. After the cylinder pushes the clamp to position the hinge, the worker can release their hand to ensure that the door hinge is securely clamped. This further increases the time required for positioning the door hinge, resulting in low production efficiency and an increased risk of hand injuries during clamping.

[0004] Therefore, we need to develop a multi-station four-axis door hinge positioning tool to improve production efficiency, reduce production costs, and ensure product quality. This tool provides more efficient and reliable equipment for the door hinge manufacturing industry, promoting the development of the door hinge manufacturing industry. UTILITY MODEL CONTENTS

[0005] The utility model technical scheme provides a significantly different solution from the existing technology to address the technical problem of the existing technology being too single. Specifically, the utility model mainly provides a multi-station four-axis door hinge positioning tool to address the technical problem of the traditional single-station door hinge positioning tool, which requires workers to manually hold the door hinges to be processed before clamping each door hinge. After the cylinder pushes the clamp to position the hinge, the worker can release their hand, which is inconvenient and increases the time required for positioning the door hinge.

[0006] The utility model solves the above technical problems by adopting the following technical scheme:

[0007] A multi-station four-axis door hinge positioning tool, comprising a rotating disc, a plurality of positioning mechanisms are arranged on the rotating disc at equal intervals and surround the rotating disc, and the orientations of each positioning mechanism are different, each positioning mechanism comprises a fixed plate, two equal-height blocks and a pressing plate on the upper end of the two equal-height blocks are arranged on the fixed plate, a plurality of optical shafts are arranged between the two equal-height blocks, the optical shafts are connected with positioning blocks with inclined lower sides through ball linear bearings, positioning grooves are arranged on the positioning blocks, and door hinge bodies are arranged in the positioning grooves;

[0008] A through hole is arranged in the side wall of the positioning block, and an auxiliary positioning assembly is arranged in the through hole, the auxiliary positioning assembly comprises a screw, a spring and an elastic pin, the spring is sleeved on the screw, the elastic pin is located at the front end of the screw, the elastic pin and the screw are movably connected, and the front end of the elastic pin abuts against the door hinge body for positioning;

[0009] An independent driving mechanism is arranged on one side of each positioning mechanism.

[0010] Further, the independent driving mechanism comprises two oil cylinders, a connecting block is arranged at the output end of each oil cylinder, and a push block is arranged on each connecting block, the upper side of the push block is inclined, and the inclined upper side of the push block is slidably connected with the inclined lower side of the corresponding positioning block.

[0011] Further, the output end of each oil cylinder and the corresponding connecting block are connected through bolts.

[0012] Further, a pad plate is arranged at the bottom of the outer wall of each oil cylinder.

[0013] Further, a sliding block is arranged in the recess on the lower side of each push block, each sliding block is slidably connected with a sliding rail, and the sliding rail is arranged in the recess on the upper side of the fixed plate.

[0014] Further, a U-shaped gasket is arranged on the lower side of the two notches of each pressing plate, and the U-shaped gasket is located on the upper side of the door hinge body.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The utility model discloses a fixed plate, equal -height piece, optical axis, pressing plate, U type cushion block, positioning block, locating groove, screw, spring and elastic pin are set up, realized before the door hinge positioning, provide an auxiliary support's role of door hinge of processing for, ensure that the workpiece cannot move left and right under the premise of processing, carry out prepositioning, improve the precision of workpiece, also be convenient for the clamping of afterwards, and by the cooperation of the shim, the oil cylinder, the connecting block, the push block, the sliding block and the slide rail, when positioning and clamping, respectively utilize each oil cylinder to clamp each workpiece's mode to reach the disadvantage that the door hinge cannot be clamped simultaneously because of the shape casting difference, the design of the multi-station on the turntable makes the batch, continuous production of door hinge, optimizes the tooling structure, reduces material consumption, reduces manufacturing cost.

[0017] The utility model will be explained in detail below in combination with the drawings and specific embodiments. DRAWINGS

[0018] Fig. 1 It is whole structure schematic diagram of the utility model;

[0019] Fig. 2 It is positioning mechanism exploded view of the utility model;

[0020] Fig. 3 It is positioning block overhead section schematic diagram of the utility model.

[0021] In the drawing: 1, turntable;2, positioning mechanism;21, fixed plate;22, equal -height piece;23, optical axis;24, pressing plate;241, U type gasket;25, positioning block;251, locating groove;252, profiling block;253, positioning pin;26, auxiliary positioning assembly;261, screw;262, spring;263, elastic pin;3, independent drive mechanism;31, shim;32, oil cylinder;33, connecting block;34, push block;35, sliding block;36, slide rail;4, door hinge body. PREFERRED EMBODIMENT

[0022] In order to facilitate understanding the utility model, below will be described more comprehensively to the utility model with reference to relevant drawings, the drawings have shown several embodiments of the utility model, but the utility model can be realized through different forms, and is not limited to the embodiment described in the text, on the contrary, provides these embodiments are to make the content disclosed by the utility model more thorough and comprehensive.

[0023] It is to be understood that where an element such as a layer, region or substrate is described as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element such as a layer, region or substrate is described as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] 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. All publications, patent applications, patents and other references mentioned herein are incorporated by reference in their entirety.

[0025] Reference will now be made in detail to embodiments of the application, one or more examples of which are illustrated in the drawings. Figs. 1-3 The application relates to a multi-station four-axle door hinge positioning tool, which comprises a rotating disc 1, a plurality of positioning mechanisms 2 are arranged on the rotating disc 1 at equal intervals and surround the rotating disc 1, the orientations of the positioning mechanisms 2 are different, each positioning mechanism 2 comprises a fixed plate 21, two equal-height blocks 22 and a pressing plate 24 on the upper ends of the two equal-height blocks 22 are arranged on the fixed plate 21, a plurality of optical shafts 23 are arranged between the two equal-height blocks 22, the optical shafts 23 are connected with positioning blocks 25 with inclined lower sides through ball linear bearings, positioning grooves 251 and a door hinge body 4 in the positioning grooves 251 are arranged on the positioning blocks 25, the door hinge body 4 and a profiling block 252 are matched to perform profiling positioning, positioning pins 253 are arranged at the upper edge positions of the positioning grooves 251 and are used for clamping circular holes on the door hinge body 4, auxiliary positioning assemblies 26 are arranged in through holes on the side walls of the positioning blocks 25, the auxiliary positioning assemblies 26 comprise screws 261, springs 262 and elastic pins 263, the springs 262 are sleeved on the screws 261, the elastic pins 263 are located at the front ends of the screws 261 and are movably connected between the elastic pins 263 and the screws 261, and the front ends of the elastic pins 263 abut against the door hinge body 4 to position the door hinge body 4, and independent driving mechanisms 3 are arranged near one side of each positioning mechanism 2.

[0026] Through the above structure, an auxiliary supporting force is provided for the door hinge to be machined before the door hinge is positioned, so that the door hinge is pre-positioned under the premise that the door hinge cannot move left and right during machining of the workpiece, the accuracy of the workpiece is improved, subsequent clamping is facilitated, and when the door hinge is positioned and clamped, the respective oil cylinders 32 are used to clamp the respective workpieces, so that the disadvantage that the door hinge cannot be clamped simultaneously due to casting differences in the shape of the door hinge is avoided, the multi-station design enables batch and continuous production of the door hinge, the tool structure is optimized, material consumption is reduced, and manufacturing cost is reduced.

[0027] Specific operation as follows, in the process of machining door hinge body 4, door hinge body 4 is placed into the positioning groove 251 of positioning block 25, due to the effect of auxiliary positioning assembly 26, spring 262 is compressed, the front end of elastic pin 263 is in contact with the side wall of door hinge body 4, pre-positioning is carried out, it is ensured that the workpiece cannot move left and right during machining, then oil cylinder 32 is started, pushes block 34 is moved to one side of positioning block 25 by connecting block 33, since the upper side of pushing block 34 and the lower side of positioning block 25 are inclined surfaces, under the constraint of optical axis 23, positioning block 25 drives door hinge body 4 in positioning groove 251 to move upwards, so that the upper side of door hinge body 4 is on U-shaped gasket 241, clamping positioning is carried out.

[0028] Please refer to the accompanying drawings Fig. 2 and the accompanying drawings Fig. 3 The independent driving mechanism 3 includes two oil cylinders 32, the output end of each oil cylinder 32 is provided with a connecting block 33, each connecting block 33 is provided with a pushing block 34, the upper side of the pushing block 34 is an inclined surface, and the inclined surface of the upper side of the pushing block 34 and the inclined surface of the lower side of the corresponding positioning block 25 are in sliding connection, through the cooperation of the oil cylinder 32, the connecting block 33 and the pushing block 34, the positioning block 25 is pushed to move upwards under the constraint of the optical axis 23, the output end of each oil cylinder 32 and the corresponding connecting block 33 are connected by bolts, which facilitates disassembly and assembly, the outer wall bottom of each oil cylinder 32 is provided with a pad 31, through the pad 31, the oil cylinder 32 is raised to match the connection position of the pushing block 34, the recess on the lower side of each pushing block 34 is provided with a sliding block 35, each sliding block 35 is slidingly connected with a sliding rail 36, and the sliding rail 36 is arranged in the recess on the upper side of the fixed plate 21, through the cooperation of the sliding rail 36 and the sliding block 35, the pushing block 34 can stably move linearly back and forth, the lower side of each pressing plate 24 is provided with a U-shaped gasket 241, and the U-shaped gasket 241 is located on the upper side of the door hinge body 4, through the U-shaped gasket 241, the upper side of the door hinge body 4 is clamped and contacted when the door hinge body 4 moves upwards.

[0029] The above describes the present application by way of example with reference to the drawings, obviously, the specific implementation of the present application is not limited to the above manner, as long as the method concept and technical scheme of the present application are adopted for such non-essential improvement, or the concept and technical scheme of the present application are directly applied to other occasions without improvement, all are within the protection scope of the present application.

Claims

1. A multi-station four-axis door hinge positioning tool, comprising a rotating disc (1), a plurality of positioning mechanisms (2) are arranged equidistantly and circumferentially on the rotating disc (1), and the orientations of each positioning mechanism (2) are different, characterized in that, Each positioning mechanism (2) comprises a fixed plate (21) provided with two equal-height blocks (22) and a pressing plate (24) at the upper ends of the two equal-height blocks (22), a plurality of optical shafts (23) are arranged between the two equal-height blocks (22), the optical shafts (23) are connected with positioning blocks (25) with inclined lower sides through ball linear bearings, the positioning blocks (25) are provided with positioning grooves (251), and the door hinge body (4) is arranged in the positioning grooves (251); An auxiliary positioning assembly (26) is arranged in the through hole in the side wall of the positioning block (25), the auxiliary positioning assembly (26) comprises a screw (261), a spring (262) and an elastic pin (263), the spring (262) is sleeved on the screw (261), the elastic pin (263) is located at the front end of the screw (261), the elastic pin (263) and the screw (261) are movably connected, and the front end of the elastic pin (263) abuts against and positions the door hinge body (4); An independent driving mechanism (3) is arranged on one side of each positioning mechanism (2).

2. The multi-station four-axis door hinge positioning fixture of claim 1, wherein, The independent driving mechanism (3) comprises two oil cylinders (32), the output end of each oil cylinder (32) is provided with a connecting block (33), and the connecting block (33) is provided with a push block (34) on the upper side thereof, the upper side of the push block (34) is inclined, and the inclined upper side of the push block (34) and the inclined lower side of the corresponding positioning block (25) are slidably connected.

3. A multi-station four-axis door hinge positioning fixture according to claim 2, wherein, The output end of each oil cylinder (32) and the corresponding connecting block (33) are connected through bolts.

4. A multi-station four-axis door hinge positioning fixture according to claim 3, wherein, The outer wall bottom of each oil cylinder (32) is provided with a backing plate (31).

5. The multi-station four-axis door hinge positioning fixture of claim 2, wherein, A sliding block (35) is arranged in the recess on the lower side of each push block (34), each sliding block (35) is slidably connected with a sliding rail (36), and the sliding rail (36) is arranged in the recess on the upper side of the fixed plate (21).

6. A multi-station four-axis door hinge positioning fixture according to claim 1, wherein, The lower sides of the two notches of each pressing plate (24) are provided with U-shaped gaskets (241), and the U-shaped gaskets (241) are located on the upper side of the door hinge body (4).

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