TWM573260U - Compound processing tool holder - Google Patents

Abstract

The new model provides a composite processing toolholder that can be installed on a processing machine and receives power supply from an external power source. After the electrochemical processing electrode is installed on the composite processing toolholder, it can be used for electrochemical processing, and the processing machine can be used to drive the composite processing. The tool holder and the electrode for electrochemical machining are turned to provide a composite machining method.

Description

Compound processing tool holder

This creation is about a composite machining toolholder that can be used for electrochemical machining or other technologies that require machining with electricity and current.

At present, the common electrochemical machining or electrolytic machining technology can refer to the TW I593492 or TW I552821 patent. It mainly uses the processing tool as the cathode, the workpiece to be processed as the anode, and applies current to the surface of the workpiece. Metal atoms are oxidized into metal ions, dissolved in the electrolyte, and taken away from the surface of the workpiece as the electrolyte flows, the workpiece can be processed into a predetermined shape, and the surface hardness of the workpiece that needs to be considered in traditional mechanical cutting processing technology can be eliminated , Residual stress and surface roughness, etc., to obtain high-precision machining results.

However, the introduction of electrochemical processing technology still has the problem of higher cost compared to traditional mechanical processing technology. Electrochemical processing technology requires the continuous introduction of electrolyte during processing. The electrolyte is used to rinse the surface of the workpiece to remove metal ions to avoid uneven electrolyte concentration and affect processing quality. Therefore, an electrolytic pump needs to be installed in the electrochemical processing machine. Pumps and nozzles, or an electrolyte flow channel around the cathode tool. In addition, electrochemical processing technology needs to introduce an electrolytic current in the cathode tool, so that existing electrochemical processing technologies need to be processed by special machinery and special electrode tools. Different shapes of workpieces also need special electrodes. When the demand for output is small, the production cost per unit of output will increase because of the cost of equipment and electrode production. It is difficult to fully popularize it to the real needs of the processing industry. Office.

One of the objectives of this creation is to reduce the equipment cost of electrochemical processing technology and similar processing technology, so that related processing technology can be fully popularized.

In order to achieve the above and other objectives, the present invention provides a composite processing toolholder, including a fixed seat, a toolholder body, and a connecting member. The fixing base has an electrical connector, and the handle body is rotatably disposed on the fixing base. The connecting piece is fixed to the handle body and can be rotated together with the handle body. The connecting piece is electrically connected to the electrical connector.

In some cases, the handle body includes a base portion and a conical portion, the conical portion extends axially from the seat portion and is tapered, the seat portion is rotatably disposed on the fixed seat, and the seat portion has a capacity The cavity is placed, and the connecting member is accommodated in the cavity.

In some cases, the connector therein is coaxial with the cone.

In some cases, the connecting member has an end portion extending away from the conical portion, the end portion is detachably disposed thereon, and the processing tool is electrically connected to the connecting member via the connecting member. The electrical connector.

In some cases, the connecting member is a conductor, and a part of the surface of the connecting member has an insulating layer to insulate the connecting member and the holder body from each other.

In some cases, the electrical connector therein protrudes axially from the outer surface of the mount.

In some cases, the composite machining tool holder may further include a conductive bearing sandwiched between the fixed seat and the tool holder body. The conductive bearing includes an inner collar, an outer collar, and a conductive sheet. The inner collar, the outer collar and the conductive sheet are all conductors, the conductive sheet is in contact with the inner collar and the outer collar, the inner collar is fixed to the handle body, the outer collar is fixed to the fixing seat, the outer shell A ring is electrically connected to the electrical connector, and the inner sleeve is electrically connected to the connector.

In some cases, the inner collar and the holder body are insulated from each other.

In this way, the composite processing toolholder provided by the new model can be equipped with a milling cutter or an electrode for electrolytic processing, and can be installed on an existing processing machine, such as a milling machine or a CNC processing machine. Simply add an electrolyte tank and a processing machine to the processing machine. External power supply, you can use the existing processing machine for electrochemical processing, without the need to purchase special machinery, and can reduce the cost of equipment to introduce electrochemical processing technology; In addition, the same processing machine to provide a variety of cutting and electrochemical processing The method will enable the processing flow to be mixed or use several processing methods at the same time, improve the flexibility of the processing technology, and meet special processing requirements.

Please refer to FIG. 1 to FIG. 4. This embodiment provides a composite processing toolholder. As shown in FIG. 4, it can be assembled and used in a processing machine 90 having a spindle, such as a milling machine or CNC machining. Machine, the composite processing tool holder includes a fixed base 10, a tool holder body 20 and a connecting member 30, and may further include a plurality of bearings 40, 50 and a conductive bearing 60.

The fixing base 10 has an electrical connector 11 which axially projects from the outer surface of the fixing base 10 and can be connected to an external power source 91. The external power source 91 is, for example, a power supply module attached to the processing machine 90 It can control the voltage and current supplied to the electrical connector 11. Preferably, the electrical connector 11 can flexibly expand and contract, and can buffer and maintain contact with the external power source 91 when it is connected to the external power source 91. In other possible embodiments of the present invention, in accordance with the position, mechanism, and form of the external power source, the electrical connector may also be protruded to the outer surface of the fixing base in a radial or other direction. However, when the electrical connector protrudes axially On the outer surface of the fixed seat, the composite processing tool holder is easier to disassemble and assemble to the processing machine. The fixing base 10 also has an elastic conductive group, which includes an insulating sleeve 121, a spring 122, conductive beads 123, and wires 124. The insulating sleeve 121 is fixed to the fixing base 10, and the spring 122 and the conductive beads 123 are contained in the insulating sleeve 121. The spring 122 Pushing on the conductive beads 123, the conductive beads 123 are pushed toward the outside of the insulating sleeve 121, and the wire 124 is connected between the conductive beads 123 and the electrical connector 11, so that the power provided by the external power source 91 can pass through the electrical connector 11 and the wire 124 Conduction is provided to the conductive beads 123.

The tool holder body 20 includes a seat portion 21 and a conical portion 22. The seat portion 21 is rotatably disposed on the fixed seat 10, and the conical portion 22 extends axially from the seat portion 21 and is tapered. It can be installed on the processing machine 90 using a spindle jaw. The main shaft 92 has a receiving hole 23 on the side of the seat portion 21 far from the conical portion 22, and the receiving hole 23 is coaxial with the conical portion 22. The seat portion 21 also has a perforation 24, which communicates with the container from the outside radially inwardly. Home hole 23. The handle body 20 also includes another elastic conductive group, including an insulating sleeve 251, a spring 252, a conductive bead 253, and a wire 254. The insulating sleeve 251 is fixed to the seat 21 and accommodated in the perforation 24, and the spring 252 and the conductive bead 253 are accommodated. In the insulating sleeve 251, the spring 252 is pushed against the conductive bead 253, so that the conductive bead 253 is pushed toward the outside of the insulating sleeve 251, and the conductive bead 253 in the knife body 20 is opposite to the conductive bead 123 in the fixing base 10, and the wire 254 is connected to Conductive beads 253.

The connecting piece 30 is accommodated in the accommodating hole 23 and is coaxial with the accommodating hole 23 and the conical portion 22. The connecting piece 30 is fixed to the handle body 20 and can rotate with the handle body 20. The connecting piece 30 is a conductive body, for example, a metal It is made, and a part of the surface of the connecting member 30 has an insulating layer 31, as shown in FIG. 3, for example, a coating or plating layer, so that the connecting member 30 and the knife body 20 are insulated from each other. If the surface of the connecting member 30 is not It has an insulating layer, and it is also feasible to sandwich an insulating pad at the place where the connecting member 30 contacts the handle body 20, and use the insulating pad to separate the connecting member from the handle body. The connecting member 30 also has a surface area that is partially without an insulating layer, and is connected thereto by a wire 254. The connecting member 30 further has an end portion 32 that extends away from the conical portion 22. The end portion 32 has no insulating layer and can be used to install a processing tool 93. The processing tool 93 is, for example, an electrode of electrochemical processing technology or an insulation-free electrode. Milling cutter.

The bearings 40, 50 and the conductive bearing 60 are sandwiched between the fixed seat 10 and the handle body 20, so that the handle body 20 can be easily rotated relative to the fixed seat 10, wherein the conductive bearing 60 includes an inner collar 61, an outer ring 62, The plurality of balls 63, the conductive sheet 64 and the insulating sheets 65, 66, 67, 68. The inner collar 61 is fixed to the handle body 20 and can rotate with the handle body 20, and the conductive beads 253 in the handle body 20 just abut against the inside. The collar 61 allows the inner collar 61 to be electrically connected to the connecting member 30 through the conductive beads 253 and the lead wire 254. The outer ring 62 is fixed to the fixing seat 10, and the conductive beads 123 in the fixing seat 10 just abut against the outer ring 62, so that the outer sleeve The ring 62 is electrically connected to the electrical connector 11 via conductive beads 123 and wires 124. The ball 63 is sandwiched between the inner collar 61 and the outer collar 62, so that the inner collar 61 and the outer collar 62 can easily rotate relative to each other. The conductive sheet 64 is located on one side of the inner ferrule 61 and the outer ferrule 62, and the conductive sheet 64 contacts the inner ferrule 61 and the outer ferrule 62, and the inner ferrule 61, the outer ferrule 62 and the conductive sheet 64 are all conductors, so that the electrical connector 11 The current can be received by the wire 124, conductive beads 123, outer ring 62, conductive sheet 64, inner collar 61, conductive bead 253 The conductive wire 254 is electrically connected to the connecting member 30, and then is conducted by the connecting member 30 to the processing tool 93. The insulating sheet 65 is sandwiched between the inner collar 61 and the handle body 20, the insulating sheet 66 is sandwiched between the outer collar 62 and the fixing seat 10, and the insulating sheets 65 and 66 respectively have insulation sleeves 251 and 121 to pass through In the perforation, the insulating sheets 67 and 68 are clamped against the conductive sheet 64 and the outer ring 62 from both sides, so that the inner collar 61, the outer ring 62 and the conductive sheet 64 cannot directly contact the fixing base 10 or the handle body 20 to make them each other. It is insulated and can prevent current from leaking from the conductive bearing 60 to be transmitted to the fixing base 10 or the handle body 20.

By using the above device, the user can use the composite processing knife handle with an existing processing machine, install an electrolyte tank in the processing machine, immerse the workpiece in the electrolyte in the electrolyte tank, and connect it to an external power source. Perform electrochemical machining operations. The user can assemble a processing tool 93 such as a milling cutter or an electrode on the end portion 32 of the connecting member 30, and then assemble the conical portion 22 of the tool holder body 20 on the main shaft 92 of the processing machine, and connect it with the electrical connector 11 of the fixing base 10 The external power source 91 can operate the processing machine for processing operations. The external power source 91 provides power through the electrical connector 11, the lead 124, the conductive beads 123, the outer ring 62, the conductive sheet 64, the inner collar 61, the conductive beads 253, The lead wire 254 and the connecting member 30 are conducted to the processing tool 93, and the processing tool 93 is used as an electrode. The end of the processing tool 93 is immersed in the electrolyte and approaches the workpiece to perform electrochemical processing on the workpiece. During the processing, the spindle 92 of the processing machine can drive The rapid rotation of the handle body 20, the connecting member 30 and the processing tool 93 will cause the processing tool 93 to rotate and disturb the electrolyte around the processing tool 93 and the workpiece, which can drive the electrolyte to flow during the electrochemical processing without the need for additional settings. Electrolyte nozzle or flow channel used to rinse the electrolyte.

As a result, the user only needs to modify the existing milling machine or CNC processing machine and other processing machines to perform electrochemical machining operations without the need to purchase special equipment for the whole machine, which can reduce the need for introducing electrochemical processing technology. Equipment costs and machinery maintenance costs.

Secondly, the above-mentioned modification of the processing machine only requires the installation of an electrolyte tank and an external power supply, which will not affect the operation of the milling machine or the CNC processing machine's spindle and its original processing operation, and will not hinder the use of the original processing operation, enabling the processing machine to It is used to perform a variety of processing operations and increase the processing technology that users can choose, which can improve the technical strength of users.

At the same time, when the above device performs machining operations, since the machining tool can rotate while performing electrochemical machining, it will provide a composite machining operation method in which cutting machining and electrochemical machining are performed in a mixed or simultaneous manner, which will help further Improve the technical strength of users.

In addition, when the above-mentioned device is used for processing operations, since the processing tool can rotate, it directly drives the surrounding electrolyte flow, and it is not necessary to separately provide a nozzle and an electrolyte flow path, which also helps to reduce the cost of electrolytic processing operations.

In the foregoing embodiment, the conductive bearing is interposed between the inner collar and the outer ring by a ball clamp, so that the inner collar and the outer ring can easily rotate relative to each other. However, if the inner collar and the outer ring are in direct sliding contact with each other, the ball is omitted, Nothing is impossible.

In the foregoing embodiment, the conductive sheet in the conductive bearing can conduct current between the inner sleeve and the outer ring. However, if the conductive sheet is omitted, the ball conducts the current or the inner sleeve and the outer ring are in direct sliding contact to conduct the current. It is also feasible, and moreover, the conductive bearing can also be replaced with a brush and a metal conductive ring, and still have similar functions.

In the foregoing embodiment, the conductive beads and springs in the fixing base and the handle body are provided for easy manufacturing and assembly. If the wires in the fixing base and the handle body are directly connected to the inner sleeve and the outer ring of the conductive bearing, Does not affect its use.

In the foregoing embodiment, the composite processing tool holder and the processing tool mounted on it can be electrochemically processed. However, if the composite processing tool holder is combined with an appropriate dielectric liquid and electrode as a processing tool, it is used to perform electrical discharge machining or electrical discharge machining and cutting. It is also possible to perform mixed processing or composite processing.

Summarizing the above description, the composite processing toolholder of the above embodiment can be assembled for use with a general milling machine or CNC processing machine, and can be connected to an external power source, and can provide a composite processing operation method in which cutting processing operations and electrochemical processing operations are performed sequentially or simultaneously. It helps to control the cost of equipment required for the introduction of electrochemical processing, and it can provide a variety of composite processing operations. It is really the hope of processing manufacturers. However, the above embodiment is only to explain and explain the technical content of this creation. The patent scope of a patent shall be subject to the scope of patent application described below.

10‧‧‧Fixed

11‧‧‧electrical connector

121‧‧‧Insulation sleeve

122‧‧‧Spring

123‧‧‧Conductive beads

124‧‧‧Wire

20‧‧‧ Knife handle body

21‧‧‧Seat

22‧‧‧ cone

23‧‧‧ Rongzhi Point

24‧‧‧ perforation

251‧‧‧Insulation sleeve

252‧‧‧Spring

253‧‧‧Conductive beads

254‧‧‧Wire

30‧‧‧Connector

31‧‧‧ Insulation

32‧‧‧ tip

40‧‧‧bearing

50‧‧‧bearing

60‧‧‧Conductive bearing

61‧‧‧Inner ring

62‧‧‧ Outer ring

63‧‧‧ball

64‧‧‧Conductive sheet

65, 66, 67, 68‧‧‧ insulating sheet

90‧‧‧Processing Machine

91‧‧‧External Power

92‧‧‧ Spindle

93‧‧‧Machining tools

Figure 1 is a cross-sectional view of the creative composite tool holder. Figure 2 is a partially enlarged view of A in Figure 1. Fig. 3 is a partially enlarged view of B in Fig. 1. Figure 4 is a schematic diagram of the use status of the creative composite tool holder.

Claims (9)

A composite processing knife handle includes: a fixing base having an electrical connector; a handle body, the handle body being rotatably provided on the fixing base; a connecting member, the connecting member being fixed to the handle body, and As the handle body rotates, the connector is electrically connected to the electrical connector. According to the compound processing toolholder described in the first item of the patent application scope, wherein the toolholder body includes a base portion and a conical portion, the conical portion extends axially from the seat portion and tapers, and the seat portion is rotatably disposed on the fixed The seat has a receiving hole, and the connecting member is received in the receiving hole. According to the compound processing tool holder described in item 2 of the patent application scope, wherein the connecting member is coaxial with the conical portion. The composite processing knife handle according to item 2 of the patent application scope, wherein the connecting member has one end portion that extends away from the conical portion, and the end portion is provided with a processing tool detachably disposed thereon, and the processing is performed. The cutter is electrically connected to the electrical connector via the connecting member. According to the compound processing knife handle according to item 1 of the patent application scope, wherein the connecting member is a conductor, a part of the surface of the connecting member has an insulating layer, so that the connecting member and the tool holder body are insulated from each other. According to the compound processing knife handle according to item 4 of the patent application scope, wherein the connecting member is a conductor, a part of the surface of the connecting member has an insulating layer, so that the connecting member and the tool holder body are insulated from each other. According to the composite processing tool holder described in the first item of the patent application scope, wherein the electrical connector axially protrudes from the outer surface of the fixing seat. The composite processing toolholder as described in any one of claims 1 to 7, further comprising a conductive bearing, which is sandwiched between the fixing seat and the toolholder body, and the conductive bearing includes an inner sleeve. A ring, an outer ring and a conductive sheet, the inner collar, the outer ring and the conductive sheet are all conductors, the conductive sheet is in contact with the inner ring and the outer ring, and the inner ring is fixed to the handle body, The outer ring is fixed to the fixing seat, the outer ring is electrically connected to the electrical connector, and the inner ring is electrically connected to the connector. According to the compound processing toolholder according to item 8 of the patent application scope, wherein the inner collar and the toolholder body are insulated from each other.