Cutter for PVF filter element machining

Abstract

The utility model provides a cutter for processing a PVF (Polyvinyl Fluoride) filter element, which comprises a cutter body middle section, wherein a cavity is formed in the cutter body middle section, and a discharge hole is formed in the outer wall of the cutter body middle section; the knife body connecting section is arranged at the upper end of the knife body middle section; the cutter body lower section is concentrically arranged at the lower end of the cutter body middle section, a through hole communicated with the cavity is formed in the cutter body lower section, and a cutting edge is arranged at the lower end of the cutter body lower section. Compared with the prior art, the discharging port is formed in the outer wall of the cutter middle section, the cutter body lower section is concentrically arranged at the lower end of the cutter body middle section, the through hole communicated with the cavity in the cutter body middle section is formed in the cutter body lower section, and the cutting edge arranged at the lower end of the cutter body lower section is used for cutting a block-shaped base material to form a cylindrical material; the cylindrical material can enter the cavity through centrifugal force borne by rotation of the cutter and is thrown out of the discharging port through the centrifugal force, automatic discharging is achieved, manual intervention is not needed, continuous cutting machining of the cylindrical filter element can be achieved on a blocky base material, and the production efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting tool technical field, concretely relates to a cutting tool for PVF filter core processing. BACKGROUND

[0002] PVF filter core is a new type of microporous filter core, has fine air hole, big filter flow, high filtration precision, small fluid resistance, no organization and so on the characteristics of falling, and has characteristic continuous dendritic air hole, porosity reaches 90% or more. As long as the pore diameter is adjusted properly, the filtration precision advantage can be changed.

[0003] In the prior art, the PVF filter core structure is various, hollow tubular, solid tubular, rectangular block, C-shaped tubular and different shape styles, and the base material used for processing different shape PVF filter cores is a large size block base material. The block base material is cut to the required processing size, and the cut base material is processed into a special shape.

[0004] At present, for the solid tubular filter core processing, the cutting tool with circular hollow structure is used to bore hole on the block base material on the numerical control machine tool, but after each cutting, the filter core is stuck in the cutting tool, and the cut filter core needs to be manually taken out, so that the block base material cannot be continuously cut and processed, the production efficiency is low, and time and labor are wasted. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a cutting tool for PVF filter core processing, which aims at solving the problems that the cut filter core pipe is stuck in the cutting tool, needs to be manually taken out, cannot continuously cut and process the block base material, the production efficiency is low, and time and labor are wasted in the prior art.

[0006] In order to achieve the above purpose, the utility model provides a cutting tool for PVF filter core processing, which comprises: a middle section of the cutter body, a cavity is arranged in the middle section of the cutter body, and a discharge port is arranged on the outer wall of the middle section of the cutter body and extends along the length direction of the middle section of the cutter body; a connecting section of the cutter body is arranged at the upper end of the middle section of the cutter body; a lower section of the cutter body is arranged at the lower end of the middle section of the cutter body in a concentric mode, a through hole is arranged in the lower section of the cutter body and communicates with the cavity, and a cutting edge is arranged at the lower end of the lower section of the cutter body.

[0007] Further, the middle section of the cutter body, the connecting section of the cutter body and the lower section of the cutter body are integrally formed, the middle section of the cutter body and the lower section of the cutter body are hollow cylindrical structures, and the connecting section of the cutter body is a hollow or solid cylindrical structure.

[0008] Further, the discharge port is provided with at least two, and the length and width of the discharge port are greater than the length and diameter of the through hole.

[0009] Further, two said discharge ports are symmetrically arranged on the outer wall of the middle section of the blade body.

[0010] Further, the edge of the discharge port is provided with a circular arc chamfer.

[0011] Further, the diameter of the middle section of the blade body is greater than the diameter of the blade body connecting section and the blade body lower section.

[0012] Further, the length of the middle section of the blade body is greater than the length of the blade body lower section.

[0013] Compared with the prior art, the utility model discloses a kind of knife for PVF filter core processing, by being equipped with discharge port on the outer wall of middle section of tool, blade body lower section is concentrically arranged at the lower end of blade body middle section, and the inside of blade body lower section is equipped with the through hole being communicated with the cavity in blade body middle section, cylindrical material is formed by cutting knife edge being equipped with the lower end of blade body lower section to block-shaped base material cutting, cylindrical material will enter cavity by centrifugal force received by tool rotation, and be thrown out from discharge port by centrifugal force, realize automatic discharge, without manual intervention, can realize continuous cutting processing to cylinder filter core on block-shaped base material, effectively improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structure schematic view of the utility model discloses a kind of knife for PVF filter core processing;

[0015] Fig. 2 It is another view structure schematic view of the utility model discloses a kind of knife for PVF filter core processing;

[0016] Fig. 3 It is vertical section view of the utility model discloses a kind of knife for PVF filter core processing.

[0017] REFERENCE SIGNS

[0018] 1-middle section of blade body;2-cavity;3-discharge port;4-blade body connecting section;5-blade body lower section;6-through hole;7-cutting knife edge. DETAILED DESCRIPTION

[0019] The utility model will be explained in detail in connection with specific embodiment.

[0020] In the utility model, when appearing direction word, for direction word, it is for facilitating to narrate the utility model and simplifying description, and is not indicated or suggested that the device or element indicated must have specific orientation, with specific orientation structure and operation, and it cannot be understood as limiting the specific protection scope of the utility model.

[0021] In the utility model, except another explicit stipulation and limitation, when appearing the terms such as " set in " " be connected " " connection " these terms should be broad sense to understand, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, can be directly connected, also can be connected through intermediate medium, can be two elements internal intercommunication. For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0022] As Figs. 1 to 3 The utility model discloses a cutter for PVF filter element processing, including the middle section of knife body 1, knife body connecting section 4 and the lower section of knife body 5.

[0023] The middle section of knife body 1 is internally provided with cavity 2, and the outer wall of the middle section of knife body 1 is provided with discharge port 3 along the length direction of the middle section of knife body 1, which is a rectangular discharge port 3.

[0024] The knife body connecting section 4 is arranged at the upper end of the middle section of knife body 1 and is used for connecting the rotary head of the numerical control machine tool.

[0025] The lower section of knife body 5 is concentrically arranged at the lower end of the middle section of knife body 1, the lower section of knife body 5 is internally provided with through hole 6 communicated with cavity 2, and the lower end of the lower section of knife body 5 is provided with cutting edge 7.

[0026] In the specific implementation, the block-shaped base material is placed on the workbench of the numerical control machine tool and is clamped and fixed by a special tool, the knife body connecting section 4 of the cutter is connected with the rotary head of the numerical control machine tool, the rotary head is controlled to move by setting corresponding numerical control program, and the block-shaped base material is cut by the cutter. When cutting, the cut cylindrical material enters the through hole 6 of the lower section of knife body 5, and when the cutter is lifted and cut again, the newly cut cylindrical material enters the through hole 6 and pushes the previous cylindrical material in the through hole 6 into the cavity 2 in the middle section of knife body 1. With the continuous rotation of the cutter following the rotary head, the cylindrical material in the cavity 2 is finally thrown out of the discharge port 3 by centrifugal force, preventing material jamming and manual intervention for discharging, and effectively improving production efficiency.

[0027] In the embodiment, the middle section of knife body 1, the knife body connecting section 4 and the lower section of knife body 5 are integrally formed, are made of SKD11 die steel, the middle section of knife body 1 and the lower section of knife body 5 are both hollow cylindrical structures, and the knife body connecting section 4 is a hollow or solid cylindrical structure.

[0028] In the embodiment, the discharge port 3 is provided with at least two, and the two discharge ports 3 are symmetrically arranged on the outer wall of the middle section of knife body 1, and the length and width of the discharge port 3 are greater than the length and diameter of the through hole 6, so that the cylindrical material in the cavity 2 is thrown out by the rotary centrifugal force.

[0029] In the embodiment, the edge of the discharge port 3 is provided with a circular arc chamfer, avoiding the handheld being scratched by the cutter, and the cylindrical material being discharged is not easy to be broken.

[0030] In the embodiment, the diameter of the middle section 1 of the cutter body is greater than the diameter of the connecting section 4 and the lower section 5 of the cutter body, so as to leave enough space for the cylindrical material entering the cavity 2, so that the cylindrical material is smoothly discharged by the rotating centrifugal force.

[0031] In the embodiment, the length of the middle section 1 of the cutter body is greater than the length of the lower section 5 of the cutter body, so as to leave enough space for the cylindrical material entering the cavity 2, so that the cylindrical material is smoothly discharged by the rotating centrifugal force.

[0032] Compared with the prior art, the cutter for PVF filter element processing provided by the utility model has the discharge port 3 on the outer wall of the middle section of the cutter, the lower section 5 of the cutter body is concentrically arranged at the lower end of the middle section 1 of the cutter body, and the inside of the lower section 5 of the cutter body is provided with the through hole 6 in communication with the cavity 2 in the middle section 1 of the cutter body, the cutting edge 7 arranged at the lower end of the lower section 5 of the cutter body is used to cut the block-shaped base material to form the cylindrical material, the cylindrical material will enter the cavity 2 by the centrifugal force caused by the rotation of the cutter, and is discharged from the discharge port 3 by the centrifugal force, so as to realize automatic discharge without manual intervention, and the cylindrical filter element can be continuously cut and processed on the block-shaped base material, and the production efficiency is effectively improved.

[0033] In the case of no conflict, the above embodiments and features in the embodiments can be combined with each other.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.

Claims

1. A tool for processing a PVF filter element, characterized by, The utility model relates to a cutting tool, which comprises: a middle section of the cutting tool, which is internally provided with a cavity, and the outer wall of the middle section of the cutting tool is provided with a discharging port along the length direction of the middle section of the cutting tool; a connecting section of the cutting tool, which is arranged at the upper end of the middle section of the cutting tool; a lower section of the cutting tool, which is concentrically arranged at the lower end of the middle section of the cutting tool, the inner part of the lower section of the cutting tool is provided with a through hole which is in communication with the cavity, and the lower end of the lower section of the cutting tool is provided with a cutting edge.

2. The tool for processing a PVF filter element according to claim 1, wherein The middle section of the cutting tool, the connecting section of the cutting tool and the lower section of the cutting tool are integrally formed, the middle section of the cutting tool and the lower section of the cutting tool are both hollow cylindrical structures, and the connecting section of the cutting tool is a hollow or solid cylindrical structure.

3. The tool for processing a PVF filter element according to claim 2, wherein The discharging port is provided with at least two, and the length and width of the discharging port are greater than the length and diameter of the through hole.

4. The tool for processing a PVF filter element according to claim 3, wherein The two discharging ports are symmetrically arranged on the outer wall of the middle section of the cutting tool.

5. A tool for processing a PVF filter element according to claim 3 or 4, characterized in that The edge of the discharging port is provided with a circular arc chamfer.

6. The tool for processing a PVF filter element according to claim 2, wherein The diameter of the middle section of the cutting tool is greater than the diameter of the connecting section of the cutting tool and the lower section of the cutting tool.

7. The tool for processing a PVF filter element according to claim 2, wherein The length of the middle section of the cutting tool is greater than the length of the lower section of the cutting tool.

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