CN116900717A - Screw hole machining equipment and machining method for shower faucet - Google Patents

Screw hole machining equipment and machining method for shower faucet Download PDF

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Publication number
CN116900717A
CN116900717A CN202310979612.9A CN202310979612A CN116900717A CN 116900717 A CN116900717 A CN 116900717A CN 202310979612 A CN202310979612 A CN 202310979612A CN 116900717 A CN116900717 A CN 116900717A
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CN
China
Prior art keywords
cutter
workpiece
hole
screw hole
flanging
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Granted
Application number
CN202310979612.9A
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Chinese (zh)
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CN116900717B (en
Inventor
何彪
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Hubei Jinbiao Sanitary Ware Co ltd
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Hubei Jinbiao Sanitary Ware Co ltd
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Priority to CN202310979612.9A priority Critical patent/CN116900717B/en
Publication of CN116900717A publication Critical patent/CN116900717A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks
    • B23B31/10Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/20Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
    • B23Q15/22Control or regulation of position of tool or workpiece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The application discloses a screw hole processing device and a processing method of a shower faucet, belonging to the technical field of shower faucet processing; it comprises the following steps: the device comprises a chuck, a cutter assembly and a heating assembly, wherein the central axis of the chuck is coaxially arranged with a screw hole to be processed of a workpiece, and the chuck can clamp the side part of the workpiece and drive the workpiece to rotate; the cutter assembly comprises a movable cutter seat, a rotatable cutter head is arranged on the cutter seat, a plurality of switchable cutter positions are arranged on the cutter head, and a first cutter for drilling, a second cutter for flanging and a third cutter for tapping are sequentially arranged on the cutter positions; the heating assembly comprises a heater which is arranged opposite to a screw hole to be processed of the workpiece. The application can automatically perform hole flanging and tapping on the workpiece, simplify the processing flow and improve the processing quality of the flanging hole body.

Description

Screw hole machining equipment and machining method for shower faucet
Technical Field
The application relates to the technical field of shower faucet machining, in particular to a screw hole machining device and a screw hole machining method of a shower faucet.
Background
The shower head tap is a water draining valve of a tap water pipe, and is a bathroom device for controlling cold and hot water flow through opening or closing a rotating device, the existing shower head tap is generally installed in a wall body, only a handle is exposed, or the shower head tap is installed on a bathtub, and water with proper temperature can be discharged from the tap for users to use by utilizing alternation of the cold and hot water pipes.
The application of application number 2023215501229 discloses a shower faucet, which comprises a valve body and a thin-wall shell, wherein the two thin-wall shells are symmetrically arranged on two sides of the valve body and fixedly connected with the valve body, an inner cavity of the thin-wall shell is communicated with an inner cavity of the valve body, one side of the thin-wall shell is provided with a water inlet unit, the water inlet unit comprises a flanging hole body, the flanging Kong Tixiang protrudes from the inner part of the thin-wall shell and is integrally arranged with the thin-wall shell, and threads for connecting with a water supply pipe are arranged on the inner wall of the flanging hole body.
The thin-wall shell of the shower faucet is made of stainless steel plates with the thickness of about 2mm, the hardness of the thin-wall shell is far higher than that of common parts which can be punched, the machinability is low, corresponding machining equipment and a machining method are lacked, and the production efficiency is low.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a device and a method for machining screw holes of a shower faucet, which are used for solving the problem that the existing shower faucet is not easy to machine.
In a first aspect, the present application provides a screw hole machining apparatus for a shower faucet, comprising:
the central axis of the chuck is coaxially arranged with a screw hole to be processed of the workpiece, and the chuck can clamp the side part of the workpiece and drive the workpiece to rotate;
the cutter assembly comprises a movable cutter seat, a rotatable cutter head is arranged on the cutter seat, a plurality of switchable cutter positions are formed in the cutter head, and a first cutter for drilling, a second cutter for hole flanging and a third cutter for tapping are sequentially arranged on the plurality of cutter positions;
the heating assembly comprises a heater which is arranged opposite to a screw hole to be processed of the workpiece.
In some embodiments, the second cutter comprises a conical portion and a prismatic portion, the prismatic portion is disposed away from the cutterhead, and the conical portion is in smooth transition connection with the prismatic portion.
In some embodiments, a fourth tool for chamfering is provided on one of the tool positions, the fourth tool being provided between the third tool and the first tool.
In some embodiments, the heater is a laser heater.
In some embodiments, the chuck comprises two jaws and a disk body, wherein the jaws can be arranged oppositely, the jaws are connected with the disk body in a sliding manner, and a clamping space for clamping a workpiece is formed between the two jaws.
In some embodiments, a positioning member is disposed between the two claws, the positioning member is fixedly connected to the disk, and one end of the positioning member is disposed opposite to the workpiece so as to define the position of the workpiece in a direction perpendicular to the moving direction of the claws.
In some embodiments, the positioning piece and the clamping jaw are arranged at intervals, and the length of the positioning piece in the direction perpendicular to the moving direction of the clamping jaw is smaller than the clamping width of the workpiece.
In a second aspect, the application provides a method for machining a screw hole of a shower faucet, which sequentially comprises the following steps:
clamping; the workpiece is clamped on the chuck, and the chuck drives the workpiece to rotate;
drilling: drilling a workpiece through a first cutter to form a through preset hole;
heating: heating the preset hole by using the heater to enable the periphery of the preset hole to have thermoplastic property;
hole flanging: driving the second cutter to carry out deep drawing treatment on the preset hole to form a flanging hole body;
tapping: and the third cutter arranged opposite to the flanging hole body enters the flanging hole body, and tapping is performed on the inner wall of the flanging hole body.
In some embodiments, the heater acts on the preset hole to form a spot for heating the preset hole, the diameter of the spot being greater than 1.3 times the diameter of the preset hole and less than the width of the workpiece.
In some embodiments, the method further comprises a chamfering process, wherein after the workpiece is tapped, the edge of the screw hole is chamfered by a fourth tool
Compared with the prior art, the application has the following beneficial effects:
(1) The application relates to a screw hole machining device and a machining method of a shower faucet. Be equipped with rotatable blade disc on the blade holder, have a plurality of switchable tool positions on the blade disc, the blade holder rotates an angle and can switch a tool position, installs the first cutter that is used for drilling, the second cutter that is used for the hole flanging and is used for tapping the third cutter of screw on a plurality of tool positions in proper order, and first cutter, second cutter and third cutter carry out machining to the work piece in proper order, finally form the screw on the hole of flanging. The second cutter acts on the preset hole, and the chuck drives the workpiece to rotate, so that flanging force can be uniformly dispersed on the preset hole, and local stress concentration of the preset hole is avoided, so that cracks and damages are avoided.
(2) The screw hole machining equipment and the machining method of the shower faucet comprise the chuck, the chuck can clamp the side part of a workpiece so as to expose a region to be machined of the workpiece, the axis of the screw hole to be machined is coaxial with the central axis of the chuck, the chuck drives the workpiece to rotate, the position of the region to be machined of the workpiece is kept unchanged and is located at the central axis of the chuck, and various cutters can be conveniently and sequentially subjected to tool setting and machining, so that the production efficiency is improved.
(3) The application relates to screw hole processing equipment and a processing method of a shower faucet, wherein the screw hole processing equipment comprises a heating component, the heating component comprises a heater which is arranged opposite to a screw hole to be processed of a workpiece, the heater can heat a drilled preset hole, the thermoplasticity of the workpiece with high strength and excessive thickness is recovered through high temperature, the hole flanging processing is assisted, and the occurrence of pull-apart and bending deformation of a flanging hole body is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic perspective view of the whole structure of the present application;
FIG. 2 is a schematic top view of the entire structure of the present application;
FIG. 3 is a schematic view of the construction of the cutter assembly of the present application;
FIG. 4 is a schematic view of the structure of a second tool according to the application;
FIG. 5 is a schematic view of the chuck according to the present application;
FIG. 6 is a process flow diagram in the present application;
fig. 7 is a schematic view of the structure of a workpiece in the present application.
In the drawing, a chuck 100, a jaw 110, a disk 120, a positioning member 130, a tool assembly 200, a tool holder 210, a cutter head 211, a first tool 220, a second tool 230, a tapered portion 231, a prismatic portion 232, a third tool 240, a fourth tool 250, a heating assembly 300, a heater 310, a bed 400, a workpiece 500, and a burring hole 510.
Description of the embodiments
The following detailed description of preferred embodiments of the application is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the application, are used to explain the principles of the application and are not intended to limit the scope of the application.
Referring to fig. 7, a workpiece 500 of the present application has a hollow shell structure, one end of the workpiece 500 is a circular arc portion for welding with a cylindrical part, and a threaded hole for communicating with a pipe needs to be machined on one side of the workpiece 500. Because the thickness of the workpiece 500 is too thin, the surface of the inner hole of the workpiece 500 is directly tapped, the length of the machined thread is too short, the connection strength of the thread is not high, water leakage is easy to occur, and therefore the workpiece 500 needs to be machined by adopting a hole flanging and tapping method.
The screw hole processing equipment of the shower faucet in the embodiment relates to the technical field of shower faucet processing, and in order to finish hole flanging and tapping of a workpiece 500, all process steps are innovatively integrated on the same equipment, and hole flanging and tapping of the workpiece 500 are finished under the condition of full automation, so that the production efficiency can be improved while the thread quality of a flanging hole body is improved, and the production cost is saved. The screw hole processing equipment of the shower faucet not only can be applied to processing the shower faucet, but also can be applied to various industries such as automobiles, ships, airplanes and the like, and long-pitch screw holes can be processed on thicker plates.
Referring to fig. 1 to 7, a screw hole processing apparatus of a shower faucet in the present embodiment includes: chuck 100, tool assembly 200, and heating assembly 300, wherein:
the chuck 100 can clamp the side part of the workpiece 500 so as to expose the region to be machined of the workpiece 500, the axis of a screw hole to be machined is coaxially arranged with the central axis of the chuck 100, the chuck 100 drives the workpiece 500 to rotate, the position of the region to be machined of the workpiece 500 is kept unchanged and is positioned at the central axis of the chuck 100, and various cutters can be conveniently subjected to subsequent tool setting and machining, so that the production efficiency is improved.
The tool assembly 200 includes a movable tool holder 210, the tool holder 210 being movable in both a horizontal plane and a vertical plane relative to the chuck 100 to perform tool setting and feed operations. The tool apron 210 is provided with a rotatable tool head 211, the tool head 211 is provided with a plurality of switchable tool positions, the tool apron 210 can be switched by rotating an angle, a first tool 220 for drilling, a second tool 230 for flanging and a third tool 240 for tapping are sequentially arranged on the plurality of tool positions, the first tool 220, the second tool 230 and the third tool 240 sequentially machine the workpiece 500, and finally screw holes are formed in the flanging holes. The second tool 230 acts on the preset hole, and the chuck 100 drives the workpiece 500 to rotate, so that flanging force can be uniformly dispersed on the preset hole, and local stress concentration of the preset hole is avoided, and cracks and damages are avoided.
The heating assembly 300 includes a heater 310 disposed opposite to a screw hole to be processed of the workpiece 500, the heater 310 can heat a drilled preset hole, and the high-strength and excessively thick thermoplasticity of the workpiece 500 is recovered at a high temperature, so as to assist hole flanging processing and avoid the occurrence of pull-apart and bending deformation of a flanging hole body.
In the use process, the heater 310 may be used to heat the region to be processed of the workpiece 500, and then sequentially switch the tool positions of the cutter 211, so that the first tool 220, the second tool 230 and the third tool 240 sequentially drill, hole flanging and tapping the workpiece 500.
In some embodiments, referring to fig. 3 and 4, the second cutter 230 includes a tapered portion 231 and a prismatic portion 232, wherein the tapered portion 231 is disposed away from the cutter 211, an outer end inclined surface of the tapered portion 231 may be firstly abutted against an inner side of a preset hole, the preset hole is gradually expanded and a flanging hole is formed along with the insertion of the second cutter 230, after the prismatic portion 232 contacts with the preset hole, the cutter 211 drives the workpiece 500 to rotate, and a whirling cutting circle is formed at an edge of the prismatic portion 232, so that an inner edge of the flanging hole can be cut, smoothness of the flanging hole is ensured, and subsequent thread processing is facilitated.
It is necessary to specify: the screw hole machining equipment of the shower faucet comprises a bed body 400, wherein a cross sliding table is arranged between the tool apron 210 and the bed body 400, the cross sliding table is driven by a servo motor, two ends of the cross sliding table are respectively and fixedly connected with the tool apron 210 and the bed body 400, the cross sliding table can drive the tool apron 210 to move in the horizontal plane in the horizontal and vertical directions, and the tool apron 210 drives a plurality of tools to feed so as to machine a workpiece 500.
In some embodiments, the first tool 220 is specifically a drill bit, the drill bit is connected to the cutter 211 through a cutter bar, the drill bit is fed relative to the workpiece 500, the workpiece 500 keeps rotating, and the processing of the preset hole is gradually completed in the area to be processed of the workpiece 500.
In some embodiments, the third tool 240 threads the inner wall of the burring hole body 510 to complete the machining of the screw hole.
As one embodiment, the fourth tool 250 is specifically a tap, the inner diameter of the tap is adapted to the inner diameter of the flanging hole body 510, when the cutter 211 is switched to the tap as a processing tool, the tool holder 210 drives the tap to be inserted into the flanging hole body 510 in a feeding motion manner, the chuck 100 drives the workpiece 500 to rotate and timely rotate reversely, and internal thread processing of the flanging hole body 510 is completed according to the processing requirement of the tap.
As one embodiment, the fourth cutter 250 is specifically a thread cutter, when the cutter 211 is switched to the thread cutter as a processing cutter, the cutter holder 210 drives the thread cutter to insert into the flanging hole body 510 in a feeding motion manner, the thread cutter is arranged perpendicular to the feeding direction, the cutter holder 210 drives the thread cutter to cut into a certain depth along the direction perpendicular to the feeding direction, and the chuck 100 drives the workpiece 500 to rotate, so as to complete the internal thread processing of the flanging hole body 510.
In some embodiments, referring to fig. 3, a fourth cutter 250 is disposed on a cutter position, the fourth cutter 250 is disposed between the third cutter 240 and the first cutter 220, and the fourth cutter 250 can chamfer the edge of the flanging hole body, so that the pipe can be conveniently in threaded connection with the flanging hole body.
In some embodiments, referring to fig. 2, the heater 310 is a laser heater 310, the laser heater 310 is disposed away from the tool holder 210, and the laser heater 310 can heat the region to be processed remotely. In a specific implementation process, the laser heater 310 can switch the tool bit position at the tool holder 210, and heat the region to be processed in the clearance of the tool changing, so as to avoid cooling the region to be processed, ensure that the region to be processed of the workpiece 500 can be kept at a high temperature in each procedure, and have certain thermoplasticity, thereby facilitating the processing of the tool.
In some embodiments, referring to fig. 5, the chuck 100 includes two jaws 110 and a disk 120, wherein the jaws 110 are slidably connected to the disk 120, and a clamping space is formed between the jaws 110 for clamping a workpiece 500. The two jaws 110 and the chuck 100 together form a two-jaw chuck structure, the chuck 100 can drive the two jaws 110 to synchronously move towards each other or backwards, the moving distance of the jaws 110 is kept consistent, and the workpiece 500 can be ensured to be locked at the axial position of the chuck 100 in the moving direction of the jaws 110.
As a further embodiment, a positioning member 130 is disposed between the two jaws 110, the positioning member 130 is fixedly connected with the disc 120, one end of the positioning member 130 is disposed opposite to the workpiece 500, one end of the workpiece 500 away from the arc portion is abutted against the workpiece 500, and the position of the workpiece 500 is limited in a direction perpendicular to the moving direction of the jaws 110, so that positioning of the workpiece 500 is completed, and the axis of the screw hole in the area to be processed of the workpiece 500 is coplanar with the axial surface of the chuck 100.
In the implementation process, the positioning members 130 and the jaws 110 are arranged at intervals, the length of the positioning members 130 in the direction perpendicular to the moving direction of the jaws 110 is smaller than the clamping width of the workpiece 500, and in the process that the jaws 110 clamp the workpiece 500, the jaws 110 are contacted with the workpiece 500 first, and the positioning members 130 cannot interfere with the movement of the jaws 110.
It should be noted that: the jaws 110 cooperate with the positioning members 130 to limit the degrees of freedom of the workpiece 500 and ensure that the axes of the screw holes in the region to be machined are consistent with the axes of the chuck 100. And repeated tool setting is not needed, so that the processing flow is simplified.
Referring to fig. 6, the application provides a method for processing a screw hole of a shower faucet, which sequentially comprises the following steps:
clamping: the chuck 100 is adjusted to rotate so that the clamping space between the two jaws 110 is kept horizontal, the workpiece 500 is inserted into the clamping space, one end of the workpiece 500, which is far away from the arc part, is abutted with the positioning piece 130, one downward side of the workpiece 500 is abutted with the jaw 110 positioned below, and the region to be processed of the workpiece 500 is arranged opposite to the cutterhead 211. The two jaws 110 move in opposite directions to clamp the workpiece 500 in the middle, one end of the workpiece 500 is abutted against the positioning piece 130, and two sides of the workpiece 500 are abutted against the jaws 110 to clamp and fix the workpiece 500. And, the axis of the screw hole to be added of the workpiece 500 is consistent with the axis of the chuck 100, when the chuck 100 drives the workpiece 500 to rotate, the relative position of the region to be processed of the workpiece 500 is kept unchanged, and the workpiece 500 is driven by the chuck 100 to rotate continuously.
Drilling: the first tool 220 of the cutterhead 211 is first set with respect to the region to be machined, and the axis of the first tool 220 (drill) is set coaxially with the axis of the screw hole to be machined. The tool holder 210 drives the cutter 211 and the first tool 220 to integrally move in a feeding manner relative to the workpiece 500, the workpiece 500 continuously rotates, and the first tool 220 drills a preset hole in a region to be processed.
Heating: the heater 310, which is disposed far from the tool apron 210, heats the preset hole to red heat at a long distance, the heater 310 acts on the preset hole to form a light spot for heating the preset hole, the diameter of the light spot is greater than 1.3 times of the diameter of the preset hole and is smaller than the width of the workpiece 500, and the light spot and the center of the preset hole are concentrically disposed, so that the periphery of the preset hole has thermoplasticity. Meanwhile, a heating area of the light spot emitted from the heater 310 is kept at a distance from the jaw 110, so that damage to the jaw 110 is avoided.
Hole flanging: the cutter 211 is switched to a cutter position, the second cutter 230 is arranged relative to the preset hole, the cutter holder 210 drives the cutter 211 and the second cutter 230 to integrally move relative to the workpiece 500 in a feeding manner, the workpiece 500 continuously rotates, and the second cutter 230 stretches the preset hole to form a flanging hole body 510.
Tapping: the cutter 211 is switched to a cutter position, the third cutter 240 is arranged opposite to the flanging hole body 510, the cutter holder 210 drives the cutter 211 and the third cutter 240 to integrally move relative to the workpiece 500 in a feeding manner, the workpiece 500 continuously rotates, and the third cutter 240 cuts the inner wall of the flanging hole body 510 to form threads.
Chamfering: the cutter 211 is switched to a cutter position, the fourth cutter 250 is arranged opposite to the flanging hole body 510, the cutter holder 210 drives the cutter 211 and the fourth cutter 250 to integrally move relative to the workpiece 500 in a feeding manner, the workpiece 500 continuously rotates, and the fourth cutter 250 cuts the edge of the flanging hole body 510 to form a chamfer.
What needs to be specifically stated is: the heater 310 may heat the region to be machined just before the drilling process, and the drilling process of the first tool 220 will be improved. When the cutter head 211 changes the cutter, the heater 310 may also heat the region to be processed and maintain the temperature of the region to be processed.
While the application has been described with respect to the preferred embodiments, the scope of the application is not limited thereto, and any changes or substitutions that would be apparent to those skilled in the art are intended to be included within the scope of the application.

Claims (10)

1. A screw hole machining apparatus for a shower faucet, comprising:
the central axis of the chuck is coaxially arranged with a screw hole to be processed of the workpiece, and the chuck can clamp the side part of the workpiece and drive the workpiece to rotate;
the cutter assembly comprises a movable cutter seat, a rotatable cutter head is arranged on the cutter seat, a plurality of switchable cutter positions are formed in the cutter head, and a first cutter for drilling, a second cutter for hole flanging and a third cutter for tapping are sequentially arranged on the plurality of cutter positions;
the heating assembly comprises a heater which is arranged opposite to a screw hole to be processed of the workpiece.
2. The screw hole machining device for a shower faucet according to claim 1, wherein the second cutter includes a tapered portion and a prismatic portion, the prismatic portion being disposed away from the cutterhead, the tapered portion being in smooth transition with the prismatic portion.
3. The screw hole machining apparatus of a shower faucet according to claim 1, wherein a fourth cutter for chamfering is provided on one of the cutter positions, the fourth cutter being provided between the third cutter and the first cutter.
4. A tap screw hole machining apparatus according to claim 1, wherein the heater is a laser heater.
5. The screw hole machining apparatus of a shower faucet according to claim 1, wherein the chuck includes two jaws which are disposed opposite to each other, and a disk body, the jaws being slidably connected to the disk body, and a clamping space for clamping a workpiece is formed between the jaws.
6. The screw hole machining apparatus of a shower faucet according to claim 5, wherein a positioning member is provided between the two jaws, the positioning member is fixedly connected to the tray body, and one end of the positioning member is provided opposite to the workpiece so as to define the position of the workpiece in a direction perpendicular to the moving direction of the jaws.
7. The screw hole machining apparatus of a shower faucet according to claim 6, wherein the positioning member is provided with a space between the claw and the positioning member, and a length of the positioning member in a direction perpendicular to a moving direction of the claw is smaller than a holding width of the workpiece.
8. A method of machining a threaded hole in a shower faucet using a screw machining apparatus according to any one of claims 1 to 7, comprising the steps of, in order:
clamping; the workpiece is clamped on the chuck, and the chuck drives the workpiece to rotate;
drilling: drilling a workpiece through a first cutter to form a through preset hole;
heating: heating the preset hole by using the heater to enable the periphery of the preset hole to have thermoplastic property;
hole flanging: driving the second cutter to carry out deep drawing treatment on the preset hole to form a flanging hole body;
tapping: and the third cutter arranged opposite to the flanging hole body enters the flanging hole body, and tapping is performed on the inner wall of the flanging hole body.
9. The method of claim 8, wherein the heater acts on the preset hole to form a spot for heating the preset hole, and the diameter of the spot is greater than 1.3 times of the diameter of the preset hole and smaller than the width of the workpiece.
10. The method of claim 8, further comprising chamfering the edge of the screw hole with a fourth tool after tapping the workpiece.
CN202310979612.9A 2023-08-06 2023-08-06 Screw hole machining equipment and machining method for shower faucet Active CN116900717B (en)

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Application Number Priority Date Filing Date Title
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CN118305339B (en) * 2024-06-07 2024-10-11 宁波锦辉光学科技有限公司 Fresnel lens processing method and device

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