Precise internal thread core head hydraulic minimally invasive plastic device

By using a design that simultaneously extrudes the secondary top column with the main extrusion block and the secondary extrusion block, combined with a magnetic block and a reinforced sealing ring, the problem of trembling blades when machining the internal threads of the mandrel in a hydraulic minimally invasive machine is solved, achieving stable precision machining and normal operation of the hydraulic system.

CN223819768UActive Publication Date: 2026-01-23TAIZHOU HUADONG CEMENTED CARBIDE DIE & CUTTING-TOOL CO LTD
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Patent Information

Application Number
CN202423267405.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-23
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

When machining internal threads in a mandrel, the existing hydraulic micro-threading machine is prone to tool chatter, which leads to unstable machining and affects machining accuracy and surface roughness.

Method used

The main extrusion block and the auxiliary extrusion block are used to extrude the auxiliary top column simultaneously. Combined with the design of magnetic blocks and reinforced sealing rings, the tool fixing effect is enhanced, and the sealing of the hydraulic system is controlled by an electromagnet coil.

Benefits of technology

It improves the stability of the tool fixation, ensures the precision machining quality of the internal thread, reduces the risk of leakage in the hydraulic system, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a precise internal thread core head hydraulic minimally invasive shaping device, and relates to the technical field of hydraulic minimally invasive shaping, the precise internal thread core head hydraulic minimally invasive shaping device comprises a hydraulic minimally invasive machine, two auxiliary O-shaped ring plates are internally provided with encryption assemblies, the hydraulic minimally invasive machine is internally provided with an electromagnet coil, and the electromagnet coil is internally provided with an electromagnet. Two reinforcing assemblies are installed in the hydraulic minimally invasive machine, each reinforcing assembly comprises a telescopic cavity and a main extrusion block, the telescopic cavities are formed in the hydraulic minimally invasive machine, and the main extrusion blocks are movably installed on the inner walls of the telescopic cavities. The main extrusion block and the auxiliary extrusion block synchronously extrude the auxiliary ejection column, so that the auxiliary ejection column and the tool are fixed, internal thread precision machining of the core head is facilitated, the fixing effect of the tool is enhanced, cutting force can be accurately controlled through stable tool fixing, and the machining quality of the internal thread of the core head is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic minimally invasive plastic technology field, concretely is precision internal thread core head hydraulic minimally invasive plastic device. BACKGROUND

[0002] Hydraulic minimally invasive machine is a kind of equipment using hydraulic principle to carry out precision machining, especially suitable for machining the internal thread of core head, and the hydraulic minimally invasive machine generates pressure through hydraulic cylinder, drives piston and relevant machining tool to work, when machining the internal thread of core head, the hydraulic minimally invasive machine will select to add the rubber abrasive of abrasive grain degree suitable, these abrasives flow along the direction of spiral groove that outer surface has been machined under the action of hydraulic device, and the hydraulic minimally invasive machine is usually composed of machine tool main body, hydraulic cylinder, piston, control system, abrasive supply system etc., the machine tool main body provides stable machining platform, and hydraulic cylinder and piston are responsible for generating and transmitting pressure, control system is used to adjust machining parameter, and abrasive supply system is responsible for providing abrasive.

[0003] The existing hydraulic minimally invasive machine pushes out the tool through hydraulic pressure, and the machine tool drives the core head to rotate and move through four-axis rotary table, and the machine tool feeding device drives the hydraulic minimally invasive machine to move to the inside of core head, the core head rotates at high speed, and the hydraulic minimally invasive machine drives the tool to move, thereby machining the internal thread of core head, but only the tool is pushed out through hydraulic pressure, without reinforcing structure, and the tool will vibrate when cutting internal thread, and the vibration will cause unstable vibration of tool in cutting process, thereby leaving irregular vibration marks on the surface of internal thread of core head, and the vibration marks will increase the surface roughness value of part, reduce machining precision, so that the size and shape of internal thread of core head are difficult to meet design requirements. UTILITY MODEL CONTENTS

[0004] The utility model provides precision internal thread core head hydraulic minimally invasive plastic device, has the advantage that the tool of hydraulic minimally invasive machine is reinforced and stabilized to carry out precision machining to the internal thread of core head, to solve the problem that the tool of hydraulic minimally invasive machine produces vibration when machining the internal thread of core head.

[0005] In order to realize the hydraulic minimally invasive machine cutter reinforcing and stable to the core head internal thread precision machining purpose, the utility model provides the following technical scheme: precision internal thread core head hydraulic minimally invasive plastic device, including hydraulic minimally invasive machine and installing in the lateral surface of hydraulic minimally invasive machine hydraulic table, the inside of hydraulic minimally invasive machine is provided with hydraulic interface, the inside of hydraulic minimally invasive machine is provided with two vice hydraulic cavity, the inside of two vice hydraulic cavity is all movably installed with vice O ring board, two vice O ring board's inside is all installed with encryption component, two vice O ring board's one end surface is all installed with vice top post, two vice top post's inside is all movably installed with cutter, the inside of hydraulic minimally invasive machine is installed with electromagnet coil, the inside of hydraulic minimally invasive machine is installed with two reinforcing components, the reinforcing component includes telescopic cavity and main extrusion block, the telescopic cavity is set up in the inside of hydraulic minimally invasive machine, the main extrusion block movably installs at the inner wall of telescopic cavity.

[0006] As a preferred technical scheme of the utility model, the outside surface of the main extrusion block is in movable contact with the outside surface of the vice top post, a main hydraulic cavity is formed in the inside of the hydraulic minimally invasive machine, a main O-ring board is movably installed in the inside of the main hydraulic cavity, and a main top post is installed on one end surface of the main O-ring board.

[0007] As a preferred technical scheme of the utility model, the reinforcing component further comprises a first spring and a vice extrusion block, the first spring is installed at the inner wall of the telescopic cavity, and the vice extrusion block is movably installed at the inner wall of the telescopic cavity.

[0008] As a preferred technical scheme of the utility model, one end surface of the first spring is fixedly connected with one end surface of the main extrusion block, and the outside surface of the main extrusion block is in movable contact with the outside surface of the vice extrusion block.

[0009] As a preferred technical scheme of the utility model, a second spring is installed at the inner wall of the telescopic cavity, and the outside surface of the second spring is fixedly connected with one end surface of the vice extrusion block.

[0010] As a preferred technical scheme of the utility model, the encryption component comprises an encryption cavity and a reinforcing sealing ring, the encryption cavity is formed in the inside of the vice O-ring board, and the reinforcing sealing ring is movably installed at the inner wall of the encryption cavity.

[0011] As a preferred technical scheme of the utility model, a first magnet block is installed in the inside of the reinforcing sealing ring, and a second magnet block is installed in the inside of the reinforcing sealing ring.

[0012] Compared with the prior art, the utility model provides the precision internal thread core head hydraulic minimally invasive plastic device, and has the following beneficial effects:

[0013] The precision internal thread core head hydraulic minimally invasive plastic device, through synchronous extrusion of the auxiliary top column by the main extrusion block and the auxiliary extrusion block, the auxiliary top column and the cutter are fixed, the internal thread precision machining of the core head is facilitated, the fixing effect of the cutter is enhanced, the stable cutter fixing can accurately control the cutting force, and the machining quality of the internal thread of the core head is enhanced.

[0014] The precision internal thread core head hydraulic minimally invasive plastic device, through synchronous extrusion of the auxiliary top column by the main extrusion block and the auxiliary extrusion block, the auxiliary top column and the cutter are fixed, the internal thread precision machining of the core head is facilitated, the fixing effect of the cutter is enhanced, the stable cutter fixing can accurately control the cutting force, and the machining quality of the internal thread of the core head is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is an internal structure schematic view of the utility model;

[0017] Figure 3 It is another view internal structure schematic view of the utility model;

[0018] Figure 4 It is the utility model provides Figure 3 It is a structure enlarged schematic view of A part in the utility model;

[0019] Figure 5 It is a schematic view of the utility model vice O-shaped ring plate external structure.

[0020] In the drawing: 1, hydraulic minimally invasive machine; 2, hydraulic gauge; 3, hydraulic interface; 4, main O-shaped ring plate; 5, main top column; 6, main hydraulic cavity; 7, auxiliary hydraulic cavity; 8, auxiliary O-shaped ring plate; 9, cutter; 10, auxiliary top column; 11, electromagnet coil; 12, telescopic cavity; 13, main extrusion block; 14, auxiliary extrusion block; 15, first spring; 16, second spring; 17, encryption cavity; 18, first magnet block; 19, second magnet block; 20, reinforced sealing ring. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figures 1-5The utility model discloses a precise internal thread core head hydraulic minimally invasive plastic device, including hydraulic minimally invasive machine 1 and install in the lateral surface of hydraulic minimally invasive machine 1 hydraulic gauge 2, the inside of hydraulic minimally invasive machine 1 is seted up and is connected with hydraulic interface 3, the inside of hydraulic minimally invasive machine 1 is seted up and is connected with two vice hydraulic cavity 7, the inside of two vice hydraulic cavity 7 all movably installs and is connected with vice O ring board 8, the inside of two vice O ring board 8 all installs and is connected with encryption component, the surface of one end of two vice O ring board 8 all installs and is connected with vice jamb 10, the inside of two vice jamb 10 all movably installs and is connected with cutter 9, the inside of hydraulic minimally invasive machine 1 installs and is connected with electromagnet coil 11, the inside of hydraulic minimally invasive machine 1 installs two reinforcement components, and the reinforcement component includes telescopic cavity 12 and main extruding block 13, and telescopic cavity 12 is seted up in the inside of hydraulic minimally invasive machine 1, and main extruding block 13 movably installs at the inner wall place of telescopic cavity 12, and the outside surface of main extruding block 13 and the outside surface of vice jamb 10 movably contact, the inside of hydraulic minimally invasive machine 1 is seted up and is connected with main hydraulic cavity 6, and the inside of main hydraulic cavity 6 movably installs and is connected with main O ring board 4, and the surface of one end of main O ring board 4 installs and is connected with main jamb 5, and the reinforcement component still includes first spring 15 and vice extruding block 14, and first spring 15 installs at the inner wall place of telescopic cavity 12, and vice extruding block 14 movably installs at the inner wall place of telescopic cavity 12, and the surface of one end of first spring 15 and the surface of one end of main extruding block 13 fixed connection, and the outside surface of main extruding block 13 and the outside surface of vice extruding block 14 movably contact, and the inner wall place of telescopic cavity 12 installs second spring 16, and the outside surface of second spring 16 and the surface of one end of vice extruding block 14 fixed connection, and electromagnet coil 11 is connected with electricity, thereby with magnetism, and main extruding block 13 is made of magnetic material, and the magnetism of the corresponding surface of main extruding block 13 and electromagnet coil 11 is same, makes the repulsion between main extruding block 13 and electromagnet coil 11, makes main extruding block 13 in telescopic cavity 12 extrude first spring 15 and vice extruding block 14, thereby makes vice extruding block 14 in telescopic cavity 12 extrude second spring 16, thereby makes main extruding block 13 and vice extruding block 14 synchronous extrude vice jamb 10, thereby makes vice jamb 10 and cutter 9 fixed, the inside screw thread precision machining of core head is convenient, and the fixed effect of cutter 9 is strengthened, and the fixed cutter 9 of stability can accurately control cutting force, and the processing quality of core head into internal thread is enhanced.

[0023] The encryption assembly comprises an encryption cavity 17 and a reinforced sealing ring 20, the encryption cavity 17 is arranged in the inside of the secondary O-shaped ring plate 8, the reinforced sealing ring 20 is movably arranged on the inner wall of the encryption cavity 17, the first magnet block 18 is arranged in the inside of the reinforced sealing ring 20, the second magnet block 19 is arranged in the inside of the reinforced sealing ring 20, the first magnet block 18 is opposite to the electromagnetic coil 11 in magnetic property, the first magnet block 18 is attracted to the electromagnetic coil 11, so that the first magnet block 18 drives the reinforced sealing ring 20 to be more closely attached to the secondary hydraulic cavity 7, and the second magnet block 19 is the same as the electromagnetic coil 11 in magnetic property, the second magnet block 19 is repelled to the electromagnetic coil 11, so that the second magnet block 19 drives the reinforced sealing ring 20 to move outward and be more closely attached to the secondary hydraulic cavity 7, the close sealing effect helps to reduce the risk of liquid leakage in the secondary hydraulic cavity 7, ensures the normal operation of the hydraulic system and prolongs the service life of the hydraulic minimally invasive machine 1.

[0024] The working principle and use process of the utility model are as follows: when the internal thread of the core head needs to be precisely machined, the core head to be machined is fixed on the lathe four-axis turntable, then the hydraulic minimally invasive machine 1 is installed on the feeding device, pressure is supplied through the hydraulic interface 3, and the pressure value is displayed through the hydraulic gauge 2, so that the main O-shaped ring plate 4 drives the main top column 5 and the two secondary O-shaped ring plates 8 to drive the secondary top column 10 to move, the main O-shaped ring plate 4 is stably pushed in the main hydraulic cavity 6, and the two secondary O-shaped ring plates 8 are stably pushed in the secondary hydraulic cavity 7, so that the two secondary top columns 10 stably drive the two cutters 9 to move outward, then the controller controls the electromagnetic coil 11 to work, the electromagnetic coil 11 is connected to electricity, so as to have magnetism, the main extrusion block 13 is made of magnetic material, the main extrusion block 13 is the same as the electromagnetic coil 11 in magnetic property, repulsion is generated between the main extrusion block 13 and the electromagnetic coil 11, the main extrusion block 13 extrudes the first spring 15 and the secondary extrusion block 14 in the telescopic cavity 12, so that the secondary extrusion block 14 extrudes the second spring 16 in the telescopic cavity 12, so that the main extrusion block 13 and the secondary extrusion block 14 synchronously extrude the secondary top column 10, so that the secondary top column 10 and the cutter 9 are fixed, the internal thread of the core head is conveniently precisely machined, the fixing effect of the cutter 9 is enhanced, and the stable cutter 9 fixing can accurately control the cutting force, so that the machining quality of the internal thread of the core head is enhanced.

[0025] And the first magnet block 18 and the electromagnetic coil 11 corresponding face with the magnetic opposite, the first magnet block 18 and with electromagnetic coil 11 between the attractive force, so that the first magnet block 18 drive reinforced sealing ring 20 more closely in the secondary hydraulic chamber 7, and the second magnet block 19 and the electromagnetic coil 11 corresponding face with the same magnetic, the second magnet block 19 and with electromagnetic coil 11 between the repulsive force, so that the second magnet block 19 drive reinforced sealing ring 20 to the outside move more closely in the secondary hydraulic chamber 7, the tight sealing effect helps to reduce the risk of leakage of liquid in the secondary hydraulic chamber 7, ensure the normal operation of the hydraulic system and prolong the service life of the hydraulic minimally invasive machine 1 has important significance.

[0026] It should be noted that in this paper, such as the term "include", "contain" or any other variant is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the inherent elements of such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.

[0027] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision internal thread mandrel hydraulic minimally invasive shaping device, comprising a hydraulic minimally invasive machine (1) and a hydraulic gauge (2) mounted on the outer surface of the hydraulic minimally invasive machine (1), wherein the hydraulic minimally invasive machine (1) has a hydraulic interface (3) inside, characterized in that: The hydraulic minimally invasive machine (1) has two auxiliary hydraulic chambers (7) inside. A secondary O-ring plate (8) is movably installed inside each of the two auxiliary hydraulic chambers (7). A encryption component is installed inside each of the two auxiliary O-ring plates (8). A secondary top column (10) is installed on one end surface of each of the two auxiliary O-ring plates (8). A cutting tool (9) is movably installed inside each of the two secondary top columns (10). An electromagnet coil (11) is installed inside the hydraulic minimally invasive machine (1). Two reinforcement components are installed inside the hydraulic minimally invasive machine (1). The reinforcement components include a telescopic cavity (12) and a main extrusion block (13). The telescopic cavity (12) is opened inside the hydraulic minimally invasive machine (1). The main extrusion block (13) is movably installed on the inner wall of the telescopic cavity (12).

2. The precision internal thread mandrel hydraulic minimally invasive shaping device according to claim 1, characterized in that: The outer surface of the main extrusion block (13) is in contact with the outer surface of the auxiliary top column (10). The hydraulic minimally invasive machine (1) has a main hydraulic chamber (6) inside. The main O-ring plate (4) is movably installed inside the main hydraulic chamber (6). The main top column (5) is installed on one end surface of the main O-ring plate (4).

3. The precision internal thread mandrel hydraulic minimally invasive shaping device according to claim 1, characterized in that: The reinforcement assembly also includes a first spring (15) and a secondary compression block (14), wherein the first spring (15) is installed on the inner wall of the telescopic cavity (12) and the secondary compression block (14) is movably installed on the inner wall of the telescopic cavity (12).

4. The precision internal thread mandrel hydraulic minimally invasive shaping device according to claim 3, characterized in that: One end surface of the first spring (15) is fixedly connected to one end surface of the main extrusion block (13), and the outer surface of the main extrusion block (13) is in movable contact with the outer surface of the auxiliary extrusion block (14).

5. The precision internal thread mandrel hydraulic minimally invasive shaping device according to claim 4, characterized in that: A second spring (16) is installed on the inner wall of the telescopic cavity (12), and the outer surface of the second spring (16) is fixedly connected to one end surface of the auxiliary extrusion block (14).

6. The precision internal thread mandrel hydraulic minimally invasive shaping device according to claim 1, characterized in that: The encryption component includes an encryption cavity (17) and a reinforcing sealing ring (20). The encryption cavity (17) is located inside the secondary O-ring plate (8), and the reinforcing sealing ring (20) is movably installed on the inner wall of the encryption cavity (17).

7. The precision internal thread mandrel hydraulic minimally invasive shaping device according to claim 6, characterized in that: The reinforcing sealing ring (20) has a first magnet block (18) installed inside, and a second magnet block (19) installed inside.