Quick replacement device for machining tool

The hydraulically driven and threaded quick-change device solves the problems of slow tool replacement and screw stripping, enables fast and reliable tool replacement, and improves replacement efficiency.

CN223465920UActive Publication Date: 2025-10-24姚俊伟
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Patent Information

Application Number
CN202422997762.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-10-24
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

In the prior art, the tool replacement speed is slow, and multiple disassembly and assembly of screws can easily lead to thread stripping and deformation of the grooved portion, affecting the replacement efficiency.

Method used

A hydraulically driven quick-change device is used to achieve rapid insertion and removal of the fixed block from the fixed port through a hydraulic cylinder and an electric telescopic rod. Combined with a threaded connection and a spring-assisted structure, rapid assembly and disassembly of the tool is achieved.

Benefits of technology

It realizes the rapid replacement of cutting tools, improves the replacement efficiency, avoids the problems of screw stripping and groove deformation, and improves the replacement speed and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a quick replacement device for a machining cutter, which belongs to the technical field of machining cutters, the machining cutter comprises a cutter detachably mounted on a machine, a fixing opening is formed in the cutter, and the quick replacement device comprises an operation structure and an oil cylinder; the operation structure comprises a hydraulic cylinder communicated with the machine, a push rod is movably connected to the hydraulic cylinder in an inserted mode, a fixing block is installed at one end of the push rod, and the outer side of the fixing block is attached to the inner wall of the fixing opening; and the hydraulic cylinder is communicated with an oil inlet pipe and an oil outlet pipe. An operation structure is arranged, a filling pipe is connected to an oil inlet pipe, an electric telescopic rod is started, the telescopic end of the electric telescopic rod drives a push block to push hydraulic oil in an oil cylinder, the hydraulic oil is injected into a hydraulic cylinder through the filling pipe, the hydraulic oil extrudes a push rod, the push rod drives a fixing block to be inserted into a fixing opening, and then the filling pipe is taken down from the oil inlet pipe; therefore, the effect of quick assembly is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing tool technical field relates to a quick replacement device of mechanical processing tool. BACKGROUND

[0002] The tool for machining is an indispensable tool in metal cutting, and they have rich types and specifications according to different processing requirements and workpiece materials.

[0003] At present, the tool is fixed on the machine by screwing, but the tool wears out quickly, so the tool needs to be replaced frequently, however, the disassembly and assembly of multiple screws easily cause the screw to slip and the deformation of the slot part, thereby affecting the replacement speed of the tool.

[0004] To solve the above problems, a quick replacement device of mechanical processing tool is provided in the application. UTILITY MODEL CONTENTS

[0005] The utility model provides a quick replacement device of mechanical processing tool in view of the technical problem existing in prior art.

[0006] The technical scheme for solving the above technical problem is as follows: a quick replacement device of mechanical processing tool, the mechanical processing tool includes a tool detachably mounted on a machine, a fixing port is formed on the tool, and the quick replacement device includes an operating structure and an oil cylinder.

[0007] The operating structure includes a hydraulic cylinder communicated with the machine, a push rod is movably connected to the hydraulic cylinder, one end of the push rod is provided with a fixed block, and the outer side of the fixed block is matched with the inner wall of the fixing port.

[0008] The hydraulic cylinder is communicated with an oil inlet pipe and an oil outlet pipe, a supporting rod is mounted in the oil inlet pipe and the oil outlet pipe, a first spring is mounted on the two supporting rods, a sealing plug is mounted at the top end of the two first springs, a hopper is arranged at the top end of the oil inlet pipe and the oil outlet pipe, and the sealing plug is matched with the inside of the hopper.

[0009] A partition ring is mounted in the oil cylinder, an electric telescopic rod is mounted in the oil cylinder, a push block is mounted on the telescopic end of the electric telescopic rod through the inside of the partition ring, a filling pipe and an injection pipe are communicated with the oil cylinder, one end of the filling pipe is detachably connected with the oil inlet pipe, a connecting rod is mounted in the filling pipe and the injection pipe, and a resisting rod is mounted on the two connecting rods.

[0010] A valve is mounted on the injection pipe, which is used to control whether the injection pipe is blocked.

[0011] The injection pipe and the oil outlet pipe are detachably connected and can be communicated.

[0012] The filling pipe and the injection pipe are provided with threaded pipes at one end, and threaded rings are threadedly connected to the threaded pipes, and the threaded pipes are threadedly connected to the oil inlet pipe and the oil outlet pipe through the threaded rings.

[0013] The chute is provided with a second spring, and one end of the second spring is connected to one side of the sliding block.

[0014] The chute is provided with a second spring, and one end of the second spring is connected to one side of the sliding block.

[0015] The beneficial effects of the utility model are:

[0016] By setting the operation structure, the filling pipe is connected to the oil inlet pipe, the electric telescopic rod is started, the telescopic end drives the push block to push the hydraulic oil in the oil cylinder, the hydraulic oil is injected into the hydraulic cylinder through the filling pipe, the hydraulic oil extrudes the push rod, the fixed block is inserted into the fixed port, and then the filling pipe is taken off from the oil inlet pipe, so that the quick assembly effect is realized.

[0017] The injection pipe is assembled on the oil outlet pipe, the filling pipe is blocked by hand, the valve is opened, the electric telescopic rod is started, the telescopic end is recovered, the hydraulic oil in the hydraulic cylinder is drawn back into the oil cylinder through the injection pipe, and the fixed block is driven out of the fixed port, so that the tool is conveniently disassembled.

[0018] During the process that the hydraulic oil is drawn out of the hydraulic cylinder, the second spring restores, drives the movement of the sliding block, and drives the movement of the fixed block, further assisting the fixed block to successfully separate from the fixed port. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model discloses a whole structure schematic diagram of the device is shown.

[0020] Figure 2 The utility model discloses an internal structure cross section schematic diagram of the oil cylinder is shown.

[0021] Figure 3 The utility model discloses an operation structure cross section schematic diagram is shown.

[0022] Figure 4 The utility model discloses Figure 3 The enlarged view of A in the utility model.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1. A tool;

[0025] 2. A fixed mouth;

[0026] 3. An operating structure; 301, a hydraulic cylinder; 302, a fixed block; 303, an oil inlet pipe; 304, an oil outlet pipe; 305, a supporting rod; 306, a first spring; 307, a sealing plug; 308, a hopper mouth; 309, a push rod; 310, a sliding groove; 311, a second spring; 312, a sliding block;

[0027] 4. An oil cylinder; 401, a filling pipe; 402, a valve; 403, an injection pipe; 404, a threaded pipe; 405, a threaded ring; 406, a connecting rod; 407, a stopper; 408, a spacer ring; 409, an electric telescopic rod; 410, a push block. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0029] In the description of the present application, the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0030] In the description of the present application, the term "for example" is used to indicate "as an example, illustration or explanation". Any embodiment described as "for example" in the present application is not necessarily interpreted as more preferred or more advantageous than other embodiments. The following description is given in order to enable any person skilled in the art to implement and use the present application. In the following description, details are listed for the purpose of explanation. It should be understood that those skilled in the art can realize the present application without using these specific details. In other examples, well-known structures and processes will not be described in detail in order to avoid unnecessary details making the description of the present application obscure. Therefore, the present application is not intended to be limited to the shown embodiments, but is consistent with the broadest scope of principles and features disclosed in the present application.

[0031] Reference Figures 1-4A quick-change device for machining tools, the machining tool includes a tool 1 detachably mounted on the machine, the tool 1 is provided with a fixing port 2, the quick-change device includes an operating structure 3 and an oil cylinder 4, the operating structure 3 includes a hydraulic cylinder 301 connected to the machine, a push rod 309 is movably inserted and connected to the hydraulic cylinder 301, a fixing block 302 is installed at one end of the push rod 309, the outer side of the fixing block 302 is in contact with the inner wall of the fixing port 2, and the hydraulic cylinder 301 is in contact with the inner wall of the fixing port 2. The oil inlet pipe 303 and the oil outlet pipe 304 are connected at the top. The oil inlet pipe 303 and the oil outlet pipe 304 are both installed with support rods 305. The first spring 306 is installed on the two support rods 305. The top of the two first springs 306 is installed with a sealing plug 307. The top of the oil inlet pipe 303 and the oil outlet pipe 304 is provided with a bucket mouth 308. The sealing plug 307 is adapted to the inside of the bucket mouth 308. A spacer ring 408 is installed in the oil cylinder 4. An electric telescopic rod 409 is installed in the oil cylinder 4. The telescopic end of the electric telescopic rod 409 is installed through the inner side of the spacer ring 408 and a push block 410 is installed. The oil cylinder 4 is connected with a filling pipe 401 and an injection pipe 403. One end of the filling pipe 401 is detachably connected to the oil inlet pipe 303. Connecting rods 406 are installed in the filling pipe 401 and the injection pipe 403. A push rod 407 is installed on both connecting rods 406. According to the above technical solution, specifically, by inserting the tool 1 into the machine, and then connecting the filling pipe 401 to the oil inlet pipe 303, the tool 1 is inserted into the machine. It is connected to the oil inlet pipe 303, so that the push rod 407 is pressed down to move the sealing plug 307 downward away from the bucket mouth 308, and then the electric telescopic rod 409 is started, so that its telescopic end drives the push block 410 to push the hydraulic oil in the oil cylinder 4, and the hydraulic oil is injected into the hydraulic cylinder 301 through the filling pipe 401, so that the hydraulic oil squeezes the push rod 309, which drives the fixing block 302 to be inserted into the fixing port 2, and then the filling pipe 401 is removed from the oil inlet pipe 303, thereby achieving a quick assembly effect.

[0032] Reference Figure 3 and Figure 4 The filling pipe 403 is detachably connected to the oil outlet pipe 304. A threaded pipe 404 is installed at one end of the filling pipe 401 and the filling pipe 403. A threaded ring 405 is threadedly connected to the two threaded pipes 404. The two threaded pipes 404 are threadedly connected to the oil inlet pipe 303 and the oil outlet pipe 304 through the threaded ring 405, respectively, to facilitate the disassembly and assembly between the filling pipe 401 and the oil inlet pipe 303, and the filling pipe 403 and the oil outlet pipe 304.

[0033] Reference Figure 2 A valve 402 is installed on the injection pipe 403, and the valve 402 is used to control whether the injection pipe 403 is blocked.

[0034] Reference Figure 3The machine is provided with a sliding groove 310, a sliding block 312 is slidably connected in the sliding groove 310, one side of the sliding block 312 is connected with one side of the fixed block 302, a second spring 311 is installed in the sliding groove 310, one end of the second spring 311 is connected with one side of the sliding block 312, and the second spring 311 is used for assisting the fixed block 302 to be separated from the fixed port 2.

[0035] Working principle:

[0036] The quick replacement device of the machining tool is characterized in that: the oil cylinder 4 is connected with the hydraulic cylinder 301 through the injection pipe 403, the injection pipe 401 is connected with the oil inlet pipe 303, the fixed block 302 is connected with the push rod 309, the push rod 309 is connected with the sealing plug 307, the sealing plug 307 is connected with the fixed port 2, the push block 410 is connected with the telescopic end of the electric telescopic rod 409, the push block 410 is connected with the oil cylinder 4, the hydraulic cylinder 301 is connected with the second spring 311, and the second spring 311 is connected with the sliding block 312.

[0037] The quick replacement device of the machining tool is characterized in that: the injection pipe 403 is assembled on the oil outlet pipe 304, the injection pipe 401 is blocked by hand, at this time, the valve 402 is opened, then the electric telescopic rod is started, and the telescopic end is retracted, so that the hydraulic oil in the hydraulic cylinder 301 is retracted into the oil cylinder 4 through the injection pipe 403, and the fixed block 302 is driven to be separated from the fixed port 2, thereby achieving the effect that the tool 1 is convenient to disassemble.

[0038] The quick replacement device of the machining tool is characterized in that: the second spring is restored during the process that the hydraulic oil is extracted from the hydraulic cylinder 301, the movement of the sliding block is driven, and the movement of the fixed block 302 is driven, thereby further assisting the fixed block 302 to successfully separate from the fixed port 2.

[0039] Although the preferred embodiments of the utility model have been described, the person skilled in the art can make additional changes and modifications to these embodiments once the basic creative concept is known. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the utility model.

[0040] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and their equivalent technologies, the utility model also intends to include these modifications and variations.

Claims

1. A quick replacement device of a mechanical processing tool, the mechanical processing tool comprising a tool (1) detachably mounted on a machine, a fixing port (2) being formed on the tool (1), the quick replacement device comprising an operating structure (3) and an oil cylinder (4), characterized in that the operating structure (3) comprises a hydraulic cylinder (301) communicated with the machine, a push rod (309) movably connected with the hydraulic cylinder (301), a fixed block (302) being mounted on one end of the push rod (309), the outer side of the fixed block (302) being matched with the inner wall of the fixing port (2); the hydraulic cylinder (301) is communicated with an oil inlet pipe (303) and an oil outlet pipe (304), the oil inlet pipe (303) and the oil outlet pipe (304) are both mounted with a support rod (305), the first spring (306) is mounted on both of the support rods (305), the sealing plug (307) is mounted on the top end of both of the first springs (306), the top end of the oil inlet pipe (303) and the oil outlet pipe (304) is provided with a hopper (308), the sealing plug (307) is matched with the inside of the hopper (308); the oil cylinder (4) is mounted with a partition ring (408), the oil cylinder (4) is mounted with an electric telescopic rod (409), the telescopic end of the electric telescopic rod (409) is mounted with a push block (410) penetrating through the inside of the partition ring (408), the oil cylinder (4) is communicated with a filling pipe (401) and an injection pipe (403), one end of the filling pipe (401) is detachably connected with the oil inlet pipe (303), the filling pipe (401) and the injection pipe (403) are both mounted with a connecting rod (406), the resisting rod (407) is mounted on both of the connecting rods (406). the injection pipe (403) is mounted with a valve (402).

2. A quick change device for a machine tool according to claim 1, characterised in that, the injection pipe (403) is detachably connected with the oil outlet pipe (304).

3. A quick change device for a machine tool according to claim 1, characterized in that, one end of the filling pipe (401) and the injection pipe (403) is mounted with a threaded pipe (404), the threaded pipe (404) is screwed with a threaded ring (405), the threaded pipe (404) is screwed with the oil inlet pipe (303) and the oil outlet pipe (304) through the threaded ring (405).

4. A quick change device for a machine tool according to claim 3, characterised in that, the machine is formed with a sliding groove (310), the sliding groove (310) is slidably connected with a sliding block (312), one side of the sliding block (312) is connected with one side of the fixed block (302).

5. The quick change device for a machine tool according to claim 1, wherein the sliding groove (310) is mounted with a second spring (311), one end of the second spring (311) is connected with one side of the sliding block (312).

6. A quick change device for a machine tool according to claim 5, characterised in that, ​