WO2023279635A1

WO2023279635A1 - Processing device, processing apparatus, and internal cooling cutter handle

Info

Publication number: WO2023279635A1
Application number: PCT/CN2021/134483
Authority: WO
Inventors: 颜炳姜; 李伟秋; 王成勇; 何吉峰; 王勇
Original assignee: 科益展智能装备有限公司; 汇专科技集团股份有限公司; 科益展智能装备有限公司广州分公司
Priority date: 2021-07-05
Filing date: 2021-11-30
Publication date: 2023-01-12
Also published as: CN115570404A

Abstract

The present invention relates to an internal cooling cutter handle, comprising a cutter handle body and an internal cooling assembly. The internal cooling assembly comprises an internal cooling needle and a sealing joint. During mounting, a sealing assembly is mounted into the sealing joint, and the sealing joint is mounted from an assembly hole from back to front until the front end of the sealing joint extends into a stepped hole. A first sealing ring is provided between the sealing joint and the bottom wall of the assembly hole, and is used for ensuring the sealing performance between the sealing joint and the cutter handle body to prevent water vapor and dust of the assembly hole from entering an accommodating cavity at the front end. The internal cooling needle is inserted forward from the assembly hole of the cutter handle body to the sealing joint and the stepped hole until the accommodating cavity. The sealing assembly is used for ensuring the sealing performance between the sealing joint and the internal cooling needle. According to the internal cooling cutter handle of the present application, it is only necessary to mount the sealing joint and the internal cooling needle to the cutter handle body from the rear end, without additionally mounting an internal cooling needle seat from a front cavity, such that the mounting is more convenient, both time and labor are saved, and the sealing performance can also be ensured.

Description

Processing equipment, processing device and internal cooling tool holder

technical field

The invention relates to the technical field of tool holders, in particular to a processing equipment, a processing device and an internal cooling tool holder.

Background technique

The traditional tool holder does not have the function of central water/ventilation. When processing, it is often faced with large chipping at the drilling exit. The tool has no cooling and lubricating effect of cutting fluid during drilling, which makes the abrasive particles on the end surface of the tool extremely It is prone to blockage, thereby reducing the cutting ability of the tool, accelerating the wear of the tool, reducing the processing efficiency and increasing the processing cost. Therefore, the internal cooling tool holder came into being.

For the conventional internal cooling tool holder, the internal cooling tube and the internal cooling needle are arranged inside the tool holder, one end of the internal cooling needle is fixed on the internal cooling needle seat, and the internal cooling tube is threaded into the rear end of the tool holder In the handle, the internal cooling needle seat is threaded into the handle from the front end of the handle. Since the internal cooling tube and the internal cooling needle seat are installed into the handle from the rear end and front end of the handle respectively, and the space inside the handle is relatively limited, and the length of the front end of the handle is relatively long, so it is inconvenient to install. Time-consuming and labor-intensive, the efficiency is not high.

Contents of the invention

Based on this, it is necessary to provide an easy-to-install processing equipment and an internal cooling tool holder for the above-mentioned technical problems.

An internally cooled knife handle, comprising a knife handle body and an internal cooling assembly, the rear end of the knife handle body is provided with an assembly hole forward, the bottom of the assembly hole is provided with a step hole, and the front end of the knife handle body faces Afterwards, a housing cavity is opened, and the step hole communicates with the assembly hole and the housing cavity. The internal cooling assembly includes a hollow internal cooling needle and a sealing joint, and the sealing joint is arranged in the assembly hole. and extend into the step hole, the inner cooling pin is passed through the step hole, the rear end of the inner cooling pin extends into the assembly hole and the sealing joint, the inner cooling pin The front end of the shank protrudes into the accommodating cavity and extends to the installation hole of the internal cooling handle.

In one of the embodiments, it also includes a wireless receiving assembly, a transducer assembly and a horn, the wireless receiving assembly is arranged on the outer periphery of the handle body, and the transducer assembly includes a rear cover, multiple stacked electrode sheets and piezoelectric ceramic sheets, the rear cover plate, electrode sheets and piezoelectric ceramic sheets are sleeved outside the hollow cylinder of the horn and are all located in the accommodating cavity , the hollow cylindrical part is located at the rear end of the horn, the horn is arranged at the front end of the handle body and fixedly connected to the handle body, the front end of the internal cooling needle passes through It is arranged on the hollow cylindrical body and extends into the inside of the horn.

In one embodiment, the outer side of the hollow cylindrical body is provided with external threads, the cover plate is provided with internal thread holes, and the front end of the hollow cylindrical body is connected to the cover plate by threads.

In one of the embodiments, the sealing assembly is arranged between the internal cooling needle and the horn.

In one of the embodiments, it also includes a wireless receiving assembly, a transducer assembly and a horn, the wireless receiving assembly is arranged on the outer periphery of the handle body, and the transducer assembly includes a rear cover, multiple A stack of electrode sheets and piezoelectric ceramic sheets, the rear cover plate includes an integrally formed cover plate portion and a hollow cylinder portion, the electrode sheet and the piezoelectric ceramic sheet are sleeved on the hollow cylinder portion The front end of the hollow cylindrical part is set on the horn, and the horn is set on the front end of the handle body and covers the accommodation cavity. , the front end of the inner cooling pin is passed through the hollow cylindrical body and extends into the horn.

In one of the embodiments, the front end of the hollow cylindrical body is provided with external threads, the rear end of the horn is provided with internal thread holes, and the front end of the hollow cylindrical body is connected to the rear end of the horn. The ends are connected by threads.

In one of the embodiments, a sealing assembly is provided between the inner cooling needle and the sealing joint. The sealing assembly includes a sealing pressure ring and a second sealing ring, and the second sealing ring and the sealing pressure ring distributed forward in sequence are arranged between the front end of the sealing joint and the inner cooling needle.

In one of the embodiments, an adjustment piece is further included, the adjustment piece is sleeved on the front end of the inner cooling pin and located inside the horn, and the adjustment piece is located in front of the hollow cylindrical part.

In one of the embodiments, the adjuster is screwed to the outside of the front end of the inner cooling pin or is screwed to the inner cooling pin.

In one of the embodiments, the front end of the adjustment member is provided with a fitting hole, and the fitting hole is in the shape of an inner hexagon.

In one of the embodiments, the front end of the side wall of the matching hole is in the shape of an outwardly expanding arc.

In one embodiment, the sealing joint is provided with external threads, the side wall of the stepped hole is provided with internal threads, and the sealing joint is connected to the side wall of the stepped hole through threads.

In one of the embodiments, the rear end of the internal cooling pin is flush with the rear end of the sealing joint or the rear end of the internal cooling pin is lower than the rear end of the sealing joint, and the internal cooling pin The rear end is fixedly connected to the rear end of the sealing joint by welding.

In one of the embodiments, it also includes a pull stud, the pull stud is provided with a through hole, the pull stud is arranged at the rear end of the handle body and one end extends into the assembly hole, the through hole and The assembly holes are connected.

In one embodiment, an elastic filler is provided between the pull stud and the sealing assembly, and the elastic filler communicates with the through hole of the pull stud and the inner cooling pin.

In one of the embodiments, a first sealing ring is provided at the connection between the pull stud and the knife handle body, and a sealing assembly is disposed between the front end of the pull stud and the inner cooling needle.

In one of the embodiments, a first sealing ring is provided between the sealing joint and the bottom wall of the assembly hole.

A processing device, comprising the internally cooled tool holder as described in any one of the above.

In one of the embodiments, it also includes a collet, a nut and a tool head, the collet is arranged on the front end of the internal cooling handle through the nut, and the rear end of the tool head is clamped on the inside the collet.

A processing equipment, comprising the processing device according to any one of the above.

The above-mentioned internal coolant holder has at least the following advantages:

1. In this application, the internal cooling tool holder is provided with an adjustment member, which can prevent the cooling and lubricating medium from depositing in the space between the internal cooling needle and the tool head during long-term use, resulting in blockage and reduction in transmission efficiency.

2. The internal cooling handle of this application includes the handle body and the internal cooling assembly. The internal cooling assembly includes the internal cooling needle and the sealing joint. When installing, put the sealing assembly into the sealing joint, and insert the sealing joint from the assembly hole Front loading, until the front end of the sealing joint extends into the step hole, a first sealing ring is set between the sealing joint and the bottom wall of the assembly hole, the first sealing ring is used to ensure the sealing between the sealing joint and the handle body, To prevent the water vapor and dust in the assembly hole from entering the accommodating cavity at the front end, insert the inner cooling needle forward from the assembling hole of the handle body to the sealing joint, step hole until the accommodating cavity, the sealing assembly is used to ensure that the sealing joint and the internal Tightness between cold pins. Compared with the traditional internal cooling tool holder, the internal cooling tool holder of this application does not have the internal cooling needle seat in the front cavity, but adopts the assembly of the sealing joint and the internal cooling needle from the rear end of the tool holder body Therefore, the internal cooling tool holder of this application only needs to install the sealing joint and the internal cooling needle into the tool holder body from the rear end, and does not need to install the internal cooling needle seat from the front cavity, so the installation is more convenient , save time and effort, and can also ensure the sealing performance; and it is more convenient to disassemble and maintain.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic structural view of processing equipment in an embodiment;

Fig. 2 is a sectional view of Fig. 1, wherein the tool head is omitted;

Fig. 3 is a cross-sectional view of processing equipment in another embodiment;

FIG. 4 is an enlarged view of A in FIG. 3 .

Explanation of reference signs:

10, 20, processing device; 100, internal cooling tool handle; 200, collet; 300, nut; 400, tool head; 110, tool handle body; 120, internal cooling component; 111, assembly hole; 112, step hole ; 113, accommodating cavity; 121, inner cooling needle; 122, sealing joint; 123, first sealing ring; 124, sealing assembly; 125, sealing pressure ring; 126, second sealing ring; , through hole; 140, wireless receiving component; 150, transducer component; 160, horn; 141, wireless receiving ring; 142, wireless receiving core; 151, rear cover plate; 152, electrode piece; 153, pressing Electric ceramic sheet; 154, cover plate part; 155, hollow cylinder part; 180, elastic filler; 199, installation hole; 500, adjustment part; 510, matching hole.

detailed description

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

It should be noted that the "front end" and "rear end" mentioned in this article respectively refer to: in the process of processing, the end near the processing end is the "front end", and the end far from the processing end is the "rear end". concept, and thus can change according to its different positions and different practical states. Accordingly, these or other orientations should not be construed as limiting terms.

As shown in Figures 1 and 2, the processing device 10 in one embodiment includes an internally cooled tool holder 100, a collet 200, a nut 300 and a tool head 400, and the collet 200 is arranged on the internally cooled tool holder through the nut 300 The front end of the tool head 100 is arranged in the mounting hole 199, the rear end of the tool head 400 is clamped in the collet 200, and the front end of the tool head 400 is used for processing workpieces. The tool head 400 can be an internal cooling tool, that is, it has an internal cooling passage (not shown) passing through the axial direction of the tool. . In another embodiment, the collet 200 can be eliminated, and the tool head 400 can be installed directly in the mounting hole 199 .

The internal coolant tool holder 100 includes a tool holder body 110 and an internal coolant assembly 120 , and the rear end of the tool holder body 110 is used to cooperate with the main shaft. The rear end of the handle body 110 is provided with an assembly hole 111 forward, the bottom of the assembly hole 111 is provided with a stepped hole 112, and the front end of the handle body 110 is provided with an accommodating cavity 113 rearwardly. The stepped hole 112 communicates with the assembly hole 111 and the accommodating cavity 113 . Specifically, the stepped hole 112 includes a large hole portion and a small hole portion communicating with each other, the large hole portion communicates with the assembly hole 111 , and the small hole portion communicates with the accommodating cavity 113 .

The internal cooling assembly 120 includes a hollow internal cooling needle 121 and a sealing joint 122 , the sealing joint 122 is disposed in the assembly hole 111 and extends into the stepped hole 112 . Specifically, the sealing joint 122 is provided with an external thread, and the side wall of the stepped hole 112 is provided with an internal thread, and the sealing joint 122 and the side wall of the stepped hole 112 are connected by a screw thread. That is, the sealing joint 122 can be a screw, and the screw is opened with an axial through hole 131 for the inner cooling needle 121 to pass through. A first sealing ring 123 is arranged between the sealing joint 122 and the bottom wall of the assembly hole 111, and the first sealing ring 123 is used to increase the sealing performance between the sealing joint 122 and the handle body 110 to prevent the assembly hole 111 from The water vapor and impurities inside enter the accommodating cavity 113 at the front end.

The inner cooling pin 121 is installed in the stepped hole 112, the rear end of the inner cooling pin 121 extends into the assembly hole 111 and the sealing joint 122, and the front end of the inner cooling pin 121 extends into the The accommodating cavity 113 extends to the installation hole 199 of the internal coolant handle. A sealing assembly 124 is provided between the internal cooling needle 121 and the sealing joint 122. The sealing assembly 124 is used to improve the contact between the internal cooling needle 121 and the sealing joint 122. The sealing performance between the sealing joints 122. Specifically, the sealing assembly 124 includes a sealing pressure ring 125 and a second sealing ring 126, and the second sealing rings 126 distributed forward sequentially are arranged between the front end of the sealing joint 122 and the inner cooling needle 121. and the sealing pressure ring 125 . The second sealing ring 126 can be arranged on the front end of the sealing joint 122 first, and then the sealing pressure ring 125 can be pressed into the front end of the sealing joint 122 to further improve the sealing performance. It should be noted that the front end of the internal cooling needle 120 penetrates the accommodating cavity 113 of the handle body 110 and extends to the installation hole 199 of the internal cooling handle. The accommodating cavity 113 of the shank body 110 extends directly to the mounting hole 199 of the internal coolant handle; the other is that the front end of the internal cooling needle 120 penetrates the accommodating cavity 113 of the shank body 110 and extends indirectly (through the hollow adjustment piece 500) to the mounting hole 199 of the internal cooling handle; of course, the front end of the internal cooling needle 120 extends to the mounting hole 199, which is not necessarily a precise positional relationship, allowing the front end of the internal cooling needle 120 or the adjustment member 500 to exist in the mounting hole A certain distance or gap, or a part of the front end of the inner cooling pin 120 protruding into the mounting hole 199 , the positional relationship is only nearby.

Further, the rear end of the internal cooling pin 121 is flush with the rear end of the sealing joint 122 or the rear end of the internal cooling pin 121 is lower than the rear end of the sealing joint 122, and the internal cooling pin 121 The rear end and the rear end of the sealing joint 122 are fixedly connected by welding, one is to realize the fixing of the two, and the other is to further improve the sealing between the two.

Further, the internal coolant handle 100 also includes a pull stud 130, the pull stud 130 is provided with a through hole 131, the pull stud 130 is arranged at the rear end of the handle body 110 and one end extends into the assembly hole 111 Inside, the through hole 131 communicates with the assembly hole 111 . The cooling and lubricating medium passes through the through hole 131 of the pull stud 130 , and then passes through the internal cooling needle 121 to the tool head 400 with internal cooling holes to realize internal cooling processing.

Further, an elastic filler 180 is provided between the pull stud 130 and the sealing assembly 120, and the elastic filler 180 communicates with the through hole 131 of the pull stud 130 and the inner cooling needle 122, so that the elasticity The filler 180 will be compressed when installed, which further ensures the sealing.

Further, a first sealing ring 123 is arranged between the pull stud 130 and the knife handle body 110, and the first seal ring 123 is used to increase the sealing performance between the pull stud 130 and the knife handle body 110 to prevent external water vapor and impurities from entering Fitting hole 111. The pull stud 130 can be integrally formed with the handle body 110, which can reduce the use of sealing rings.

Further, a sealing assembly (not shown in the drawings) is provided between the internal cooling needle 120 and the pulling stud 130 , and the sealing assembly is used to improve the sealing performance between the internal cooling needle 120 and the pulling stud 130 . Specifically, the sealing assembly includes a sealing pressure ring and a sealing ring.

Further, the internal coolant tool holder 100 also includes a wireless receiving component, a transducer component 150 and a horn 160 . Therefore, the internal cooling tool holder 100 may be an ultrasonic internal cooling tool holder. The wireless receiving component is arranged on the outer periphery of the handle body 110 , and the wireless receiving component is used to cooperate with the wireless transmitting component to realize electrical transmission in a wireless transmission manner. The wireless receiving component includes a wireless receiving ring 141, a wireless receiving magnetic core 142 and a wireless receiving coil (not shown in the figure), the wireless receiving coil is sealed in the wireless receiving magnetic core 142 by a sealant, and the wireless receiving magnetic core 142 is fixed and set by an adhesive in the wireless receiving loop 141 .

The transducer assembly 150 includes a rear cover 151, a plurality of stacked electrode sheets 152 and piezoelectric ceramic sheets 153, the rear cover 151 includes an integrally formed cover part 154 and a hollow cylinder part 155, the The electrode piece 152 and the piezoelectric ceramic piece 153 are sheathed outside the hollow cylinder portion 155 and both are located in the accommodating cavity 113 . The front end of the hollow cylindrical part 155 is arranged on the horn 160, and the horn 160 is arranged on the front end of the handle body 110 and covers the accommodating cavity 113, and the inner cooling pin The front end of 121 passes through the hollow cylindrical portion 155 and extends into the inside of the horn 160 . Not only can the internal cooling process be realized, but the coolant inside the internal cooling needle 121 can also take away part of the heat of the transducer assembly 150 to achieve the purpose of cooling.

Further, the front end of the hollow cylindrical part 155 is provided with an external thread, and the rear end of the horn 160 is provided with an internal thread hole, and the front end of the hollow cylindrical part 155 is connected to the rear end of the horn 160. The ends are connected by threads. That is, because the internal cooling tool holder 100 in the present application has a larger inner space of the tool holder body 110, the hollow cylinder part 155 is integrally formed with the cover part 154 instead of being integrally formed with the horn 160 , can effectively reduce the production cost.

In another embodiment, the transducer assembly 150 includes a rear cover plate 151, a plurality of stacked electrode sheets 152 and piezoelectric ceramic sheets 153, and the rear cover plate 151, electrode sheets 152 and the piezoelectric ceramic sheets The ceramic sheet 153 is sheathed outside the hollow cylindrical portion 155 and is located in the accommodating cavity 113 . The hollow cylindrical part is located at the rear end of the horn (the hollow cylindrical part and the horn are integrally formed, not shown in the drawings), and the horn 160 is arranged on the handle body 110 and the two are fixedly connected, and the front end of the inner cooling pin 120 is passed through the hollow cylindrical part 155 and extends into the inside of the horn 160 . Not only can the internal cooling process be realized, but the cooling lubricating medium inside the internal cooling needle 120 can also take away part of the heat of the transducer assembly 150 to achieve the purpose of cooling.

In another embodiment, the outer side of the hollow cylinder part 155 is provided with external threads, the cover part 154 is provided with an internal thread hole, and the front end of the hollow cylinder part 155 and the cover part 154 are threaded. way to connect (not shown in the figure).

Further, the sealing assembly 124 is provided between the inner cooling needle 121 and the horn 160 . For example, in this embodiment, a sealing assembly 124 is provided between the inner cooling needle 121 and the upper end and the lower end of the horn 160 . In the sealing assembly 124 at the upper end, the second sealing ring 126 is below the sealing pressure ring 125; The tightness between them prevents external impurities and water vapor from entering the accommodating cavity 113 .

Please refer to Fig. 3 and Fig. 4, it is processing equipment 20 in another embodiment, the difference between processing equipment 20 shown in Fig. 3 and Fig. 4 and processing equipment 10 shown in Fig. 1 at least includes: processing equipment 20 is not in The sealing assembly 124 is provided between the inner cooling needle 121 and the horn 160, but the processing equipment 20 includes an adjustment member 500, and the adjustment member 500 is sleeved on the front end of the inner cooling needle 121 and Located inside the horn 160 , the adjusting member 500 is located in front of the hollow cylindrical portion 155 , and the adjusting member 500 is located at the rear end of the tool head 400 . The adjustment part 500 is mainly used to reduce the problem of oil mist accumulation affecting the transmission efficiency of oil mist caused by long-term application during the process of micro-lubrication internal spraying, and to improve the transmission efficiency of micro-quantity lubrication oil mist.

Further, the adjustment member 500 is screwed to the outside of the front end of the inner cooling needle 121. When the tool head 400 is provided with an axially penetrating internal cooling passage, the end surface of the adjustment member 500 does not interfere with the axial direction of the tool head 400. Through the internal cooling channel. Therefore, by controlling the degree to which the adjustment member 500 is screwed into the inner cooling needle 121 , the protruding length of the tool head 400 can be controlled, thereby adapting to workpieces of different heights. The adjusting member improves the transmission efficiency of the micro-lubricating oil mist, and at the same time prevents the accumulation of the micro-lubricating oil mist near the installation hole of the tool handle tool head after long-term use. Likewise, the transmission efficiency of other microlubricating mediums into the tool head 400 can also be improved, while the normal coolant will not be affected without the adjusting member 500 .

Further, the front end of the adjusting member is provided with a fitting hole 510, and the fitting hole 510 is in the shape of an inner hexagon. Therefore, it is easier to install the adjustment member 500 on the front end of the inner cooling pin 121 by using a hexagonal tool to cooperate with the inner hexagonal matching hole 510 . The middle part of the adjustment member 500 is also provided with an annular groove, which is used to accommodate the sealing ring and improve the sealing performance.

Further, the front end of the side wall of the matching hole 510 is in the shape of an outwardly expanded arc, so as to adapt to the rounded corner structure of the rear end of the tool head 400, so that the tool head 400 fits better after being assembled to the internal cooling handle 100, and also Easier to drain the cooling medium

During installation, press the second sealing ring 126 into the sealing joint 122 through the sealing pressure ring 125, and install the sealing joint 122 from the assembly hole 111 from back to front until the front end of the sealing joint 122 extends into the stepped hole 112, A first sealing ring 123 is arranged between the sealing joint 122 and the bottom wall of the assembly hole 111, the first sealing ring 123 is used to ensure the sealing between the sealing joint 122 and the handle body 110, and prevent the water vapor and dust from the assembly hole 111 from entering In the accommodation cavity 113 at the front end, insert the inner cooling needle 121 forward from the assembly hole 111 of the handle body 110 to the sealing joint 122, the step hole 112 until the accommodation cavity 113, and the sealing assembly 124 is used to ensure the sealing of the joint 122 and the tightness between the inner cooling needle 121. Compared with the traditional internal cooling tool holder 100, the internal cooling tool holder 100 of the present application does not have the internal cooling needle seat in the front cavity, but uses the sealing joint 122 and the internal cooling needle 121 to be connected with the tool holder The assembly hole 111 at the rear end of the main body 110 is installed in the structure. Therefore, the internal coolant holder 100 of the present application only needs to install the sealing joint 122 and the internal cooling needle 121 to the handle body 110 from the rear end, without the need to install it from the front cavity separately. The internal cooling needle seat is installed, so the installation is more convenient, time-saving and labor-saving, and the sealing performance can also be guaranteed.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions are used herein for purposes of illustration only and are not intended to represent the only embodiments.

Claims

An internally cooled knife handle is characterized in that the internally cooled knife handle includes a knife handle body and an internal cooling assembly, the rear end of the knife handle body is provided with an assembly hole forward, and the bottom of the assembly hole is provided with a step hole, the front end of the handle body is provided with a housing cavity backward, the step hole communicates with the assembly hole and the housing cavity, and the internal cooling assembly includes a hollow internal cooling needle and a sealing joint, The sealing joint is arranged in the assembly hole and extends into the step hole, the internal cooling needle is penetrated in the step hole, and the rear end of the internal cooling needle extends into the assembly hole and the step hole. The front end of the internal cooling needle extends into the accommodating cavity and extends to the installation hole of the internal cooling tool handle.
The internal cooling tool holder according to claim 1, further comprising a wireless receiving component, a transducer component and a horn, the wireless receiving component is arranged on the outer periphery of the tool holder body, and the transducer The energy device assembly includes a rear cover plate, a plurality of stacked electrode sheets and piezoelectric ceramic sheets, the rear cover plate includes an integrally formed cover plate portion and a hollow cylinder portion, the electrode sheet and the piezoelectric ceramic sheet Sleeved outside the hollow cylinder part and located in the accommodating cavity, the front end of the hollow cylinder part is set on the horn, and the horn is set on the handle body The front end covers the accommodating cavity, and the front end of the internal cooling pin passes through the hollow cylindrical body and extends into the horn.
The internal cooling tool holder according to claim 2, characterized in that, the front end of the hollow cylinder is provided with external threads, the rear end of the horn is provided with internal thread holes, and the hollow The front end of the cylinder part is connected with the rear end of the horn through thread.
The internal cooling tool holder according to claim 2, wherein the sealing assembly is arranged between the internal cooling needle and the horn.
The internal cooling tool holder according to claim 1, further comprising a wireless receiving component, a transducer component and a horn, the wireless receiving component is arranged on the outer periphery of the tool holder body, and the transducer The energy device assembly includes a rear cover, a plurality of stacked electrode sheets and piezoelectric ceramic sheets, and the rear cover, electrode sheets, and piezoelectric ceramic sheets are sleeved outside the hollow cylinder of the horn and are all located in the accommodating cavity, the hollow cylindrical part is located at the rear end of the horn, and the horn is arranged at the front end of the handle body and fixedly connected to the handle body , the front end of the inner cooling pin is passed through the hollow cylindrical body and extends into the horn.
The internal cooling tool holder according to claim 5, characterized in that, the outer side of the hollow cylinder part is provided with external threads, the cover plate part is provided with internal thread holes, and the hollow cylinder part and the cover The board parts are connected by screw thread.
The internal coolant handle according to claim 1, wherein a sealing assembly is provided between the internal cooling needle and the sealing joint, the sealing assembly includes a sealing pressure ring and a second sealing ring, and the sealing The second sealing ring and the sealing pressure ring distributed forward in sequence are arranged between the front end of the joint and the inner cooling needle.
The internal coolant tool holder according to claim 2, further comprising an adjustment member, the adjustment member is sleeved on the front end of the inner coolant needle and is located inside the horn, and the adjustment member is located at the front of the hollow cylinder part.
The internal coolant tool holder according to claim 8, wherein the adjusting member is threadedly connected to the outside of the front end of the internal coolant needle.
The internal coolant handle according to claim 8, characterized in that, the front end of the adjusting member is provided with a fitting hole, and the fitting hole is in the shape of an inner hexagon.
The internal coolant tool holder according to claim 10, characterized in that, the front end of the side wall of the matching hole is in the shape of an outwardly expanding arc.
The internal coolant tool holder according to any one of claims 1 to 11, wherein the sealing joint is provided with external threads, the side wall of the stepped hole is provided with internal threads, and the sealing joint and the step The side walls of the holes are connected by threads.
The internal coolant holder according to any one of claims 1 to 11, wherein the rear end of the internal coolant needle is flush with the rear end of the sealing joint or the rear end of the internal coolant needle is lower than The rear end of the sealing joint, the rear end of the inner cooling pin and the rear end of the sealing joint are fixedly connected by welding.
The internal coolant handle according to any one of claims 1 to 11, further comprising a pull stud, the pull stud is provided with a through hole, the pull stud is arranged at the rear end of the handle body and One end protrudes into the assembly hole, and the through hole communicates with the assembly hole.
The internal coolant handle according to claim 1, wherein an elastic filler is provided between the pull stud and the sealing assembly, and the elastic filler communicates with the through hole of the pull stud and the internal coolant Needle.
The internal cooling handle according to claim 1, characterized in that, a first sealing ring is provided at the joint between the pull stud and the handle body, and a first sealing ring is provided between the front end of the pull stud and the internal cooling needle There are sealing components.
The internal coolant tool holder according to claim 1, wherein a first sealing ring is arranged between the sealing joint and the bottom wall of the assembly hole.
A processing device, characterized in that it comprises the internal coolant tool holder according to any one of claims 1 to 17.
The processing device according to claim 18, further comprising a collet, a nut and a tool head, the collet is arranged on the front end of the internal cooling handle through the nut, and the tool head The rear end is clamped within the collet.
A processing equipment comprising the processing device according to any one of claims 18 or 19.