Tooth inserting device

Abstract

The utility model discloses a tooth inserting device which comprises an outer sleeve, a connector is arranged at the front end of the outer sleeve, a high-pressure air channel is formed in the connector, and a clamping assembly is arranged at the rear end of the outer sleeve and used for clamping alloy teeth; the inner sleeve is fixedly connected with the outer sleeve; the gas distribution mechanism is fixedly connected with the front end of the inner sleeve and is used for opening and closing the high-pressure gas channel; the hammer body is arranged in the inner sleeve and is coaxial with the alloy teeth, a first air chamber is formed among the hammer body, the air distribution mechanism and the inner sleeve, a second air chamber is formed among the hammer body, the outer sleeve and the inner sleeve, and the first air chamber and the second air chamber alternately communicate with the high-pressure air channel to drive the hammer body to reciprocate in the axis direction of the inner sleeve so as to push the alloy teeth to be installed. Compared with the prior art, the tooth inserting device is simple in structure, the alloy teeth can be aligned with the alloy holes, and the mounting efficiency is higher.

Description

Technical Field

[0001] The present application relates to the technical field of drill bits, and more particularly to an insert device. Background Art

[0002] The drill bit industry generally adopts cold setting, hot setting and welding tooth fixing methods to produce alloy teeth. When the cold setting method is used, the alloy tooth is first knocked to position on the alloy hole, and then pressed into the bottom of the hole with a press. Since the matching tolerance and pressure are difficult to control, it is easy to damage the hole wall and the alloy column tooth; when the hot setting method is used, the drill head is first heated to a certain temperature, and then the alloy column tooth is aligned with the alloy hole on the drill body with tweezers or other tools and hammered into the hole with a copper hammer. This process requires the alloy column tooth to be quickly installed into the alloy hole in a short time, and the thermal expansion and contraction characteristics of the steel body are used to achieve the purpose of tooth fixing. It is easy to deviate when clamping the column tooth alloy with tweezers and aligning it with the alloy hole, and it will be difficult to knock it into the alloy hole when knocking, and the tooth fixing ability will also be reduced.

[0003] Therefore, there is an urgent need for a tooth inserting device with a simple structure, which can align the alloy teeth with the alloy holes and has higher installation efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the present application provides a tooth inserting device with a simple structure, which can align the alloy teeth with the alloy holes and has higher installation efficiency.

[0005] The technical solutions provided in this application are as follows:

[0006] A tooth insert device, comprising:

[0007] An outer sleeve, wherein a joint is provided at the front end of the outer sleeve, a high-pressure airway is provided in the joint, and a clamping assembly is provided at the rear end of the outer sleeve, and the clamping assembly is used to clamp the alloy teeth;

[0008] An inner sleeve sleeved inside the outer sleeve and fixedly connected to the outer sleeve;

[0009] An air distribution mechanism is provided in the outer sleeve and fixedly connected to the front end of the inner sleeve, and the air distribution mechanism is used to open and close the high-pressure air passage;

[0010] A hammer body is arranged in the inner sleeve and is coaxial with the alloy tooth. A first air chamber is formed between the hammer body, the valve mechanism and the inner sleeve. A second air chamber is formed between the hammer body, the outer sleeve and the inner sleeve. The first air chamber and the second air chamber are alternately connected to the high-pressure air channel to drive the hammer body to reciprocate along the axial direction of the inner sleeve to push the alloy tooth for installation.

[0011] Preferably, the clamping assembly comprises:

[0012] A jacket is sleeved on the rear end of the outer sleeve, the alloy gear sleeve is arranged at the rear end of the jacket, and the jacket is provided with notches at intervals in the circumferential direction;

[0013] A locking sleeve is sleeved on the outer side of the rear end of the jacket and fixedly connected to the jacket.

[0014] Preferably, the outer surface of the jacket is provided with a first tapered surface and a first external threaded surface, the first external threaded surface is provided at one end of the jacket close to the outer sleeve, and the outer diameter of the first tapered surface gradually increases along the axial direction of the jacket;

[0015] A second conical surface and a second internal threaded surface are provided in the locking sleeve, the second conical surface cooperates with the first conical surface, and the second internal threaded surface is threadedly connected to the first external threaded surface.

[0016] Preferably, the clamping assembly further comprises:

[0017] A striking rod disposed in the jacket and slidably connected to the jacket, wherein an end of the striking rod away from the alloy tooth is provided with an impact end;

[0018] A first elastic member is sleeved on the outer side of the striking rod, and two ends of the first elastic member are respectively connected to the jacket and the impact end.

[0019] Preferably, the clamping assembly further comprises:

[0020] A connector sleeved on the outside of the jacket and detachably fixedly connected to the outer sleeve;

[0021] a stopper provided on the inner wall of the outer sleeve, the stopper being used to abut against the front end surface of the jacket;

[0022] A positioning surface is provided at the rear end of the connector, and the positioning surface is used to abut against the shaft shoulder of the sleeve.

[0023] Preferably, a third air chamber is formed between the outer sleeve, the clamping assembly and the hammer body, and the third air chamber is used to alternately communicate with the first air chamber and the second air chamber;

[0024] An exhaust channel is provided on the outer sleeve, and the exhaust channel is used to communicate with the third air chamber.

[0025] Preferably, it also includes:

[0026] a first channel provided in the hammer body, the first channel being used to connect the first air chamber and the third air chamber;

[0027] A second passage is provided between the hammer body and the outer sleeve, and the second passage is used to connect the third air chamber and the second air chamber.

[0028] Preferably, the valve mechanism comprises:

[0029] a gas distribution seat sleeved on the front end of the inner sleeve, wherein a fourth air chamber is formed between the gas distribution seat and the joint;

[0030] A one-way valve assembly is provided at the front end of the gas distribution seat and is used to open and close the high-pressure air passage;

[0031] A gas distribution rod provided at the rear end of the gas distribution seat and used in conjunction with the first channel;

[0032] An air passage is provided on the gas distribution seat, and the air passage is used to communicate with the fourth air chamber.

[0033] Preferably, the one-way valve assembly comprises:

[0034] An accommodating chamber is provided at the rear end of the valve seat, and a valve stem is provided in the accommodating chamber;

[0035] a second elastic member disposed in the accommodating cavity, wherein two ends of the second elastic member are respectively connected to the bottom surface of the accommodating cavity and the valve stem;

[0036] A guide rod is arranged at the rear end of the valve stem, and the second elastic member is sleeved on the outer side of the guide rod.

[0037] Preferably, it also includes:

[0038] a gas passage provided between the inner sleeve and the outer sleeve;

[0039] A first air hole provided on the inner sleeve and used for connecting the gas channel and the first channel;

[0040] a second air hole provided at the rear end of the inner sleeve and used for connecting the second air chamber with the air channel;

[0041] a third air hole provided on the inner sleeve and used for connecting the first air chamber and the gas channel;

[0042] When the second air chamber is in communication with the gas channel, the first air chamber is isolated from the gas channel; when the first air chamber is in communication with the gas channel, the second air chamber is isolated from the gas channel.

[0043] The present invention provides a tooth inserting device, which comprises an outer sleeve, an inner sleeve, a gas distribution mechanism, and a hammer, wherein the outer sleeve has a joint at its front end, a high-pressure air passage disposed within the joint, the joint being connected to a high-pressure air source for providing power, a clamping assembly disposed at the rear end of the outer sleeve for clamping the alloy tooth, the inner sleeve being disposed within the outer sleeve and fixedly connected to the outer sleeve, the gas distribution mechanism disposed within the outer sleeve and fixedly connected to the front end of the inner sleeve for opening and closing the high-pressure air passage on the joint, a hammer disposed within the inner sleeve, a first air chamber formed between the hammer, the gas distribution mechanism, and the inner sleeve, and a second air chamber formed between the hammer, the outer sleeve, and the inner sleeve, the first air chamber and the second air chamber being alternately connected to the high-pressure air passage, a pressure difference being generated between the first air chamber and the second air chamber, and the hammer being driven to reciprocate along the axis of the inner sleeve under the action of the pressure difference, thereby providing a pulse force for the installation of the alloy tooth, thereby enabling the alloy tooth to be installed in the alloy hole on the drill bit. It can be seen that compared with the prior art, the tooth insert device in the embodiment of the present invention has a simple structure, can align the alloy teeth with the alloy holes, and has higher installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0045] Figure 1 This is a schematic diagram of a structure for installing alloy teeth in the prior art;

[0046] Figure 2 A schematic structural diagram of a tooth insert device provided in an embodiment of the present utility model;

[0047] Figure 3 for Figure 2 A structural diagram of the middle section BB;

[0048] Figure 4 A schematic structural diagram of a clamping assembly provided in an embodiment of the present utility model;

[0049] Figure 5 A schematic structural diagram of a valve train provided by an embodiment of the present utility model;

[0050] Figure 6 A schematic structural diagram of the tooth insert device provided by an embodiment of the present utility model when in use.

[0051] Figure markings: 1. outer sleeve; 2. joint; 3. clamping assembly; 4. inner sleeve; 6. hammer; 7. gas channel; 81. first air hole; 82. second air hole; 83. third air hole; 31. alloy tooth; 32. jacket; 33. notch; 34. locking sleeve; 35. striking rod; 36. first elastic member; 37. connector; 11. exhaust channel; 51. gas distribution seat; 52. one-way valve assembly; 53. gas distribution rod; 54. air duct; 521. accommodating chamber; 522. valve stem; 523. second elastic member; 524. guide rod; 61. first channel; 91. drill bit; 92. hammer head; 93. alloy hole. DETAILED DESCRIPTION

[0052] In order to help those skilled in the art better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of this application.

[0053] It should be noted that when an element is referred to as being “fixed on” or “set on” another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0054] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0055] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout the description of this application, "plurality" or "several" means two or more, unless otherwise specifically defined.

[0056] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0057] The embodiments of the present invention are written in a progressive manner.

[0058] like Figures 2 to 6 As shown, an embodiment of the present invention provides a tooth inserting device, comprising: an outer sleeve 1, a joint 2 is provided at the front end of the outer sleeve 1, a high-pressure air passage is provided in the joint 2, a clamping assembly 3 is provided at the rear end of the outer sleeve 1, the clamping assembly 3 is used to clamp the alloy tooth 31; an inner sleeve 4 is sleeved in the outer sleeve 1 and fixedly connected to the outer sleeve 1; a valve mechanism is provided in the outer sleeve 1 and fixedly connected to the front end of the inner sleeve 4, the valve mechanism is used to open and close the high-pressure air passage; a hammer 6 is provided in the inner sleeve 4, a first air chamber A is formed between the hammer 6, the valve mechanism and the inner sleeve 4, a second air chamber B is formed between the hammer 6, the outer sleeve 1 and the inner sleeve 4, the first air chamber A and the second air chamber B are alternately connected to the high-pressure air passage, driving the hammer 6 to move back and forth along the axial direction of the inner sleeve 4 to push the alloy tooth 31 for installation.

[0059] Please Figure 1 As shown, currently, the manual method is often to clamp the column tooth alloy with tweezers and align it with the alloy hole 93, and use the hammer 92 with the other hand to knock the alloy tooth 31 into the alloy hole 93 on the drill bit 91. This manual method can easily cause the alloy tooth 31 to deviate, and it will be difficult to knock it into the alloy hole 93 when knocked again, and the tooth fixing ability will also be reduced.

[0060] The “front end” in the embodiment of the present invention refers to the end away from the alloy hole 93 , and the “rear end” in the embodiment of the present invention refers to the end close to the alloy hole 93 .

[0061] The tooth inserting device provided by the present invention is first provided with an outer sleeve 1, an inner sleeve 4, a gas distribution mechanism and a hammer body 6, wherein the outer sleeve 1, the front end of the outer sleeve 1 is provided with a joint 2, a high-pressure air channel is provided in the joint 2, the joint 2 is used to be connected to a high-pressure air source for providing power, the rear end of the outer sleeve 1 is provided with a clamping assembly 3, the clamping assembly 3 is used to clamp the alloy tooth 31, the inner sleeve 4 is provided in the outer sleeve 1, and the inner sleeve 4 and the outer sleeve 1 are fixedly connected, the gas distribution mechanism is provided in the outer sleeve 1, and the gas distribution mechanism is fixedly connected to the front end of the inner sleeve 4, and the gas distribution mechanism is used to open and close the high-pressure air channel on the joint 2. The hammer 6 is disposed within the inner sleeve 4. A first air chamber A is formed between the hammer 6, the valve mechanism, and the inner sleeve 4. A second air chamber B is formed between the hammer 6, the outer sleeve 1, and the inner sleeve 4. The first air chamber A and the second air chamber B are alternately connected to the high-pressure air duct. A pressure difference exists between the first air chamber A and the second air chamber B. Under the action of the pressure difference, the hammer 6 is driven to reciprocate along the axis of the inner sleeve 4, providing a pulse force for the installation of the alloy tooth 31, so that the alloy tooth 31 is installed in the alloy hole on the drill bit 91. As can be seen, compared with the prior art, the tooth insert device in the embodiment of the present invention has a simple structure, can align the alloy tooth 31 with the alloy hole, and has higher installation efficiency.

[0062] On the one hand, the tooth inserting device provided in the embodiment of the present invention can replace manual installation, will not cause manual injury, is safer, and the pulse force of the hammer 6 on the alloy tooth 31 is greater, and the installation efficiency is higher; on the other hand, in this application, it is only necessary to adjust the alloy tooth 31 to be coaxial with the alloy hole, and the high-pressure gas drives the hammer 6 to move back and forth in the inner sleeve 4, and the alloy tooth 31 is installed in the alloy hole through the pulse force of the hammer 6.

[0063] In the above structure, as one embodiment, the inner sleeve 4, the outer sleeve 1 and the hammer 6 in the embodiment of the present invention are all coaxially arranged.

[0064] In the above structure, as one of the embodiments, the clamping assembly 3 in the embodiment of the utility model includes a sleeve 32 and a locking sleeve 34, wherein the sleeve 32 is sleeved on the rear end of the outer sleeve 1, and the alloy tooth 31 is sleeved on the rear end of the sleeve 32. A notch 33 is circumferentially provided at the rear end of the sleeve 32, and the alloy tooth 31 can be installed inside the sleeve 32 through the notch 33. The locking sleeve 34 is sleeved on the outside of the rear end of the sleeve 32 and is fixedly connected to the sleeve 32 through the locking sleeve 34, so that the sleeve 32 clamps the alloy tooth 31.

[0065] More specifically, the rear end of the sleeve 32 is used to clamp the alloy teeth 31, and notches 33 are provided at circumferential intervals at the rear end of the sleeve 32 so that the inner diameter of the sleeve 32 can be adjusted, thereby facilitating the clamping of alloy teeth 31 of different sizes.

[0066] In the above structure, as one of the embodiments, the outer surface of the jacket 32 ​​in the embodiment of the present invention is provided with a first conical surface and a first external threaded surface. The first external threaded surface is provided at one end of the jacket 32 ​​close to the outer sleeve 1. Along the axial direction of the jacket 32, the outer diameter of the first conical surface gradually increases. A second conical surface and a second internal threaded surface are provided in the locking sleeve 34. The second conical surface is used to cooperate with the first conical surface, and the second internal threaded surface and the first external threaded surface are connected by threads.

[0067] Specifically, by cooperating between the locking sleeve 34 and the sleeve 32, the locking sleeve 34 is rotated and moves toward the outer sleeve 1. Under the cooperation of the first conical surface and the second conical surface, the sleeve 32 clamps the alloy tooth 31 to prevent the alloy tooth 31 from falling out of the sleeve 32.

[0068] In the above structure, as one embodiment, the clamping assembly in the embodiment of the present invention includes a striking rod 35 and a first elastic member 36, wherein the striking rod 35 is arranged in the jacket 32, and the striking rod 35 is slidably connected to the jacket 32, and the end of the striking rod 35 away from the alloy tooth 31 is provided with an impact end, which is used in conjunction with the hammer body 6, and the first elastic member 36 is sleeved on the outside of the striking rod 35, and the two ends of the first elastic member 36 are respectively connected to the jacket 32 ​​and the impact end. Specifically, when the hammer body 6 moves toward the direction of the alloy tooth 31, the pulse force of the hammer body 6 acts on the impact end, pushing the striking rod 35 to drive the alloy tooth 31 into the alloy hole. At this time, the first elastic member 36 generates elastic deformation. When the hammer body 6 moves in the direction away from the alloy tooth 31, the first elastic member 36 generates elastic reset deformation, pushing the striking rod 35 to move toward the hammer body 6 for reset.

[0069] In the above structure, the cross-sectional area of ​​the impact end in the embodiment of the present invention is larger than the cross-sectional area of ​​the rear end of the striking rod 35 .

[0070] In the above structure, as one of the embodiments, the first elastic member 36 in the embodiment of the utility model is specifically a spring, and the clamping section, the connecting section and the accommodating groove are connected in sequence in the jacket 32. The clamping section is used to clamp the alloy teeth 31. The diameter of the connecting section is smaller than that of the clamping section and the accommodating groove. The rear end of the striking rod 35 abuts against the alloy teeth 31 from the accommodating groove through the connecting section. The first elastic member 36 is arranged in the accommodating groove. The first elastic member 36 is sleeved on the outside of the striking rod 35. The rear end of the first elastic member 36 is connected to the bottom of the accommodating groove, and the front end of the first elastic member 36 abuts against the rear end face of the impact end.

[0071] In the above structure, the jacket 32 ​​and the outer sleeve 1 in the embodiment of the present invention can be fixedly connected, but this method is not convenient for replacing the jacket 32. As a more preferred embodiment, the jacket 32 ​​and the outer sleeve 1 in the embodiment of the present invention are specifically detachably connected, which is convenient for replacing the jacket 32 ​​and is suitable for clamping alloy teeth 31 of different sizes.

[0072] As one of the embodiments, the clamping assembly 3 in the embodiment of the utility model also includes a connecting head 37, wherein the connecting head 37 is sleeved on the outside of the sleeve 32, and the connecting head 37 and the outer sleeve 1 are detachably connected, and a stopper is provided on the inner wall of the outer sleeve 1, and the stopper is used to abut against the front end face of the sleeve 32, and a positioning surface is provided at the rear end of the connecting head 37, and the positioning surface abuts against the shaft shoulder of the sleeve 32.

[0073] Specifically, during installation, the alloy tooth 31 is installed at the rear end of the sleeve 32, and the alloy tooth 31 and the sleeve 32 are fixed by a locking piece. The front end of the sleeve 32 is inserted into the rear end of the outer sleeve 1 so that the front end surface of the sleeve 32 abuts against the block inside the outer sleeve 1, and then the connector 37 is put on the outside of the outer sleeve 1 so that the positioning surface on the connector 37 abuts against the shaft shoulder on the sleeve 32.

[0074] Furthermore, as one of the preferred implementations, the connector 37 and the outer sleeve 1 in the embodiment of the present invention are connected via threads.

[0075] In the above structure, as one embodiment, a third air chamber C is formed between the outer sleeve 1, the clamping assembly 3, and the hammer 6 in the embodiment of the utility model. The third air chamber C is used to alternately communicate with the first air chamber A and the second air chamber B. An exhaust channel 11 is provided on the outer sleeve 1, and the exhaust channel 11 is used to communicate with the third air chamber C. The first air chamber A and the second air chamber B alternately communicate with the third air chamber C, and residual gas is discharged through the exhaust channel 11.

[0076] Furthermore, as one embodiment, the insert device in the embodiment of the present invention further includes a first channel 61 and a second channel, wherein the first channel 61 is arranged in the hammer body 6, and the first channel 61 is used to connect the first air chamber A and the third air chamber C, and the second channel is arranged between the hammer body 6 and the outer sleeve 1, and the second channel is used to connect the third air chamber C and the second air chamber B.

[0077] Specifically, when the third air chamber C is connected to the first air chamber A through the first channel 61, the exhaust gas in the first air chamber A is connected to the third air chamber C through the first channel 61 and is exhausted through the exhaust channel 11. At this time, the second air chamber B is isolated from the third air chamber C. When the third air chamber C is connected to the second air chamber B through the second channel, the exhaust gas in the second air chamber B enters the third air chamber C through the second channel for exhaust. At this time, the first air chamber A is isolated from the third air chamber C.

[0078] As one of the specific embodiments, an annular protrusion is provided in the outer sleeve 1 in the embodiment of the utility model, the annular protrusion is provided in the third air chamber C and a first air distribution section and a second matching section are provided at the rear end of the hammer body 6, wherein the annular protrusion is provided between the third air chamber C and the second air chamber B, the first air distribution section is connected to the rear end of the second air distribution section, the inner diameter of the annular protrusion is equal to the outer diameter of the first air distribution section, and the outer diameter of the first air distribution section is larger than the outer diameter of the second air distribution section. When the first air distribution section is matched with the annular protrusion, the second air chamber B is isolated from the third air chamber C, and the first air chamber A and the third air chamber C are connected through the first channel 61. When the annular protrusion is matched with the second air distribution section, the second air chamber B is connected to the third air chamber C, and the first air chamber A and the third air chamber C are isolated.

[0079] In the above structure, as one of the embodiments, the gas distribution mechanism in the embodiment of the utility model includes a gas distribution seat 51, a one-way valve assembly 52, a gas distribution rod 53 and an air duct 54, wherein the gas distribution seat 51 is sleeved on the front end of the inner sleeve 4, and a fourth air chamber D is formed between the gas distribution seat 51 and the joint; the one-way valve assembly 52 is arranged at the front end of the gas distribution seat 51, and the one-way valve assembly 52 is used to open and close the high-pressure air duct; the gas distribution rod 53 is arranged at the rear end of the gas distribution seat 51, and the gas distribution rod 53 is used to cooperate with the first channel 61; the air duct 54 is arranged on the gas distribution seat 51, and the air duct 54 is used to communicate with the fourth air chamber D.

[0080] Specifically, the high-pressure gas source is connected to the front end of the joint. When the high-pressure gas enters the high-pressure gas channel, the one-way valve assembly 52 is pushed open, and the high-pressure gas enters the fourth air chamber, and then enters the first air chamber A and the second air chamber B through the air channel 54. The air pressure difference between the first air chamber A and the second air chamber B pushes the hammer body 6 to move back and forth, providing a pulse force for the alloy tooth 31, and embedding the alloy tooth 31 in the alloy hole. A gas distribution rod 53 is provided at the rear end of the gas distribution seat 51. The gas distribution rod 53 has a first state of being inserted into the first channel 61 and a second state of being separated from the first channel 61. When the annular protrusion cooperates with the second gas distribution section, the second air chamber B is connected with the third air chamber C, the gas distribution rod 53 is in the first state, and the first air chamber A is isolated from the third air chamber C; when the first gas distribution section cooperates with the annular protrusion, the second air chamber B is isolated from the third air chamber C, the gas distribution rod 53 is in the second state, and the first air chamber A and the third air chamber C are connected through the first channel 61.

[0081] As one of the specific implementation methods, the one-way valve assembly 52 in the embodiment of the utility model includes: a accommodating chamber 521 arranged at the rear end of the valve seat 51, and a valve stem 522 is arranged in the accommodating chamber 521; a second elastic member 523 arranged in the accommodating chamber 521, and the two ends of the second elastic member 523 are respectively connected to the bottom surface of the accommodating chamber 521 and the valve stem 522; a guide rod 524 arranged at the rear end of the valve stem 522, and the second elastic member 523 is sleeved on the outside of the guide rod 524.

[0082] Furthermore, a conical mounting surface is provided at the rear end of the connector, and the diameter of the conical mounting surface gradually decreases in the direction away from the valve seat 51. A conical molding surface is provided on the valve stem 522. The conical molding surface and the conical mounting surface are used in conjunction to achieve a better sealing effect on the high-pressure airway.

[0083] Specifically, under the action of high-pressure gas, the high-pressure gas pushes the valve stem 522 to move toward the gas distribution seat 51, the valve stem 522 is separated from the high-pressure air channel, and the second elastic member 523 produces elastic deformation. When the high-pressure gas disappears, the second elastic member 523 produces elastic reset deformation, pushing the valve stem 522 to abut against the joint, closing the high-pressure air channel.

[0084] Furthermore, the second elastic member 523 in the embodiment of the present invention is specifically a spring.

[0085] In the above structure, as one of the embodiments, the insert device in the embodiment of the present invention further includes a gas channel 7, a first air hole 81, a second air hole 82 and a third air hole 83, wherein the gas channel 7 is arranged between the inner sleeve 4 and the outer sleeve 1, the first air hole 81 is arranged on the inner sleeve 4, the first air hole 81 is used to connect the gas channel 7 and the first channel 61, the second air hole 82 is arranged at the rear end of the inner sleeve 4, the second air hole 82 is used to connect the second air chamber B and the gas channel 7, the third air hole 83 is arranged between the first air hole 81 and the second air hole 82, the third air hole 83 is arranged on the inner sleeve 4, the third air hole 83 is used to connect the first air chamber A and the gas channel 7, when the second air chamber B is connected to the gas channel 7, the first air chamber A is isolated from the gas channel 7, and when the first air chamber A is connected to the gas channel 7, the second air chamber B is isolated from the gas channel 7.

[0086] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tooth insert device, characterized in that: include: An outer sleeve (1), wherein a joint (2) is provided at the front end of the outer sleeve (1), a high-pressure air passage is provided in the joint (2), and a clamping assembly (3) is provided at the rear end of the outer sleeve (1), and the clamping assembly (3) is used to clamp the alloy tooth (31); An inner sleeve (4) sleeved inside the outer sleeve (1) and fixedly connected to the outer sleeve (1); An air distribution mechanism fixedly connected to the front end of the inner sleeve (4), the air distribution mechanism being used to open and close the high-pressure air passage; A hammer (6) is arranged in the inner sleeve (4) and is coaxial with the alloy tooth (31). A first air chamber is formed between the hammer (6), the valve mechanism and the inner sleeve (4). A second air chamber is formed between the hammer (6), the outer sleeve (1) and the inner sleeve (4). The first air chamber and the second air chamber are alternately connected to the high-pressure air duct to drive the hammer (6) to move back and forth along the axial direction of the inner sleeve (4) to promote the installation of the alloy tooth.

2. The insert device according to claim 1, characterized in that: The clamping assembly (3) comprises: A jacket (32) is sleeved on the rear end of the outer sleeve (1), the alloy teeth (31) are sleeved on the rear end of the jacket (32), and the jacket (32) is provided with notches (33) at circumferential intervals; A locking sleeve (34) is sleeved on the outside of the rear end of the sleeve (32) and fixedly connected to the sleeve (32).

3. The insert device according to claim 2, characterized in that: The outer surface of the jacket (32) is provided with a first conical surface and a first external threaded surface, the first external threaded surface is provided at one end of the jacket (32) close to the outer sleeve (1), and the outer diameter of the first conical surface gradually increases along the axial direction of the jacket (32); A second conical surface and a second internal threaded surface are provided in the locking sleeve (34), the second conical surface is used in conjunction with the first conical surface, and the second internal threaded surface is threadedly connected to the first external threaded surface.

4. The insert device according to claim 3, characterized in that: The clamping assembly (3) further comprises: a striking rod (35) disposed in the jacket (32) and slidably connected to the jacket (32), wherein an impact end is provided at one end of the striking rod (35) away from the alloy tooth (31); A first elastic member (36) is sleeved on the outside of the striking rod (35), and two ends of the first elastic member (36) are respectively connected to the jacket (32) and the impact end.

5. The insert device according to claim 4, characterized in that: The clamping assembly (3) further comprises: A connector (37) is sleeved on the outside of the jacket (32) and is detachably fixedly connected to the outer sleeve (1). A stopper is provided on the inner wall of the outer sleeve (1), and the stopper is used to abut against the front end surface of the jacket (32). A positioning surface is provided at the rear end of the connector (37), and the positioning surface is used to abut against the shaft shoulder of the jacket (32).

6. The insert device according to any one of claims 1 to 5, characterized in that: A third air chamber is formed between the outer sleeve (1), the clamping assembly (3) and the hammer body (6), and the third air chamber is used to alternately communicate with the first air chamber and the second air chamber; An exhaust channel (11) is provided on the outer sleeve (1), and the exhaust channel (11) is used to communicate with the third air chamber.

7. The insert device according to claim 6, characterized in that: Also includes: a first channel (61) provided in the hammer body (6), the first channel (61) being used to connect the first air chamber and the third air chamber; A second channel is provided between the hammer body (6) and the outer sleeve (1), and the second channel is used to connect the third air chamber and the second air chamber.

8. The insert device according to claim 7, characterized in that: The valve mechanism comprises: a gas distribution seat (51) sleeved on the front end of the inner sleeve (4), wherein a fourth gas chamber is formed between the gas distribution seat (51) and the joint (2); A one-way valve assembly (52) provided at the front end of the gas distribution seat (51) and used for opening and closing the high-pressure gas passage; a gas distribution rod (53) disposed at the rear end of the gas distribution seat (51) and used in conjunction with the first channel; An air passage (54) is provided on the air distribution seat (51), and the air passage (54) is used to communicate with the fourth air chamber.

9. The insert device according to claim 8, characterized in that: The one-way valve assembly (52) comprises: A receiving chamber (521) is provided at the rear end of the gas distribution seat (51), wherein a valve stem (522) is provided in the receiving chamber (521); a second elastic member (523) disposed in the accommodating cavity (521); A guide rod (524) is provided at the rear end of the valve stem (522), the second elastic member (523) is sleeved on the outside of the guide rod (524), and the two ends of the second elastic member (523) are respectively connected to the bottom surface of the accommodating cavity (521) and the valve stem (522).

10. The insert device according to claim 9, characterized in that: Also includes: a gas passage (7) provided between the inner sleeve (4) and the outer sleeve (1); A first air hole (81) provided on the inner sleeve (4) and used for connecting the gas channel (7) and the first channel (61); A second air hole (82) provided at the rear end of the inner sleeve (4) and used for connecting the second air chamber with the air passage (7); A third air hole (83) provided on the inner sleeve (4) and used for connecting the first air chamber and the air channel (7); When the second air chamber is in communication with the gas channel (7), the first air chamber is isolated from the gas channel (7); when the first air chamber is in communication with the gas channel (7), the second air chamber is isolated from the gas channel (7).

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