Knife handle type water pressure finger
By designing the tool holder type hydraulic fingers, using the hydraulic pressure inside the machine tool to push the piston rod and clamp the fingers, the functions of direct assembly with the tool holder and iron filing cleaning are realized, solving the problems of inconvenience in use and inability to directly assemble in the prior art.
Patent Information
- Application Number
- CN202421418431.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The existing micro pneumatic fingers cannot effectively clean up iron filings generated by small cutting volumes during the machine tool operation online, and cannot directly cooperate with the tool handle of the machine tool, making it inconvenient to use.
A tool holder type hydraulic finger is designed. By installing the shell on the tool holder, the pipe is connected to the machine tool through the tool holder, and the water pressure inside the machine tool is used to push the piston rod and the clamp finger movement to achieve the cleaning of iron filings.
The tool holder is directly installed, and the water pressure inside the machine tool is used, with a simple structure and convenient use, which solves the problem of pressure mechanical grasping devices that cannot be directly assembled with the machine tool holder in the prior art.
Smart Images
Figure CN222843542U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary processing equipment for cutting machine tools, in particular to a tool handle type water pressure finger. Background Art
[0002] During the online operation of the machine tool, small cutting volume causes continuous iron chips, small cavities are clogged with iron chips, and online cleaning and clamping of iron chips is difficult. The existing micro pneumatic fingers on the market have an air pressure range of 0.1mpa~0.7mpa, which is too small to withstand pressure. The air pipe connection cannot directly cooperate with the machine tool handle, making it inconvenient to use. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the related art. To this end, the utility model provides a tool handle type hydraulic finger, which can realize direct installation of the tool handle and utilize the water pressure inside the machine tool, and has a simple structure and is easy to use.
[0004] The utility model provides a tool handle type water pressure finger, comprising: an outer shell, a pipeline, a containing groove, a piston rod and a clamping finger; the outer shell is installed on the tool handle, the root of the pipeline is communicated with a machine tool through the tool handle, water is arranged inside the machine tool, the top of the pipeline is communicated with both sides of the containing groove, two piston rods are symmetrically arranged in the containing groove, a sealing ring is arranged at one end of the piston rod close to the pipeline, a through hole is arranged on the top of the outer shell, the through hole is communicated with the containing groove, the other end of the piston rod is fixedly connected with the clamping finger, the clamping finger passes through the through hole and is higher than the upper surface of the outer shell, the piston rod is slidably arranged in the containing groove, and the clamping finger moves synchronously with the piston rod.
[0005] According to the tool-handle type hydraulic finger provided by the utility model, a gate is arranged between the machine tool and the pipeline.
[0006] According to the utility model, a knife handle type hydraulic finger further comprises a positioning ring, which is sleeved on the piston rod and fixedly connected to the accommodating groove.
[0007] According to a knife handle type hydraulic finger provided by the utility model, an exhaust hole is arranged on the positioning ring, and the exhaust hole communicates with the accommodating groove and the through hole.
[0008] According to the utility model, a knife handle type hydraulic finger further comprises an elastic member, wherein the elastic member is sleeved on the piston rod and arranged between the positioning ring and the sealing ring.
[0009] According to a knife handle type hydraulic finger provided by the utility model, a receiving groove is opened on the inner side wall of the sealing ring, and one end of the elastic member is arranged inside the receiving groove and fixedly connected to the receiving groove.
[0010] According to a knife handle type hydraulic finger provided by the utility model, it also includes a sealing cover plate, which is fixedly arranged on a side of the clamping finger close to the piston rod, and the sealing cover plate is slidably arranged on the top end of the through hole, and the sealing cover plate moves synchronously with the clamping finger.
[0011] The above one or more technical solutions in the embodiments of the utility model have at least one of the following technical effects:
[0012] The tool handle type hydraulic finger provided by the utility model has a shell installed on the tool handle, and a pipeline is connected to the machine tool through the tool handle. The machine tool provides high-pressure water to push the piston rod to move, thereby solving the problem that there is no pressure mechanical grasping device that can be directly assembled with various tool handles of the machine tool in the prior art. The tool handle can be directly installed, and the water pressure inside the machine tool is utilized. The structure is simple and easy to use.
[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0015] Figure 1 It is a schematic diagram of the opening of the clamping fingers of the knife handle type water pressure finger provided by the utility model.
[0016] Figure 2 It is a schematic diagram of the closing of the clamping fingers of the knife handle type hydraulic finger provided by the utility model.
[0017] Figure 3 The utility model is a cross-sectional view of a piston rod of a knife handle type hydraulic finger.
[0018] Reference numerals:
[0019] 1. Shell; 11. Through hole; 2. Pipe; 3. Receiving groove; 4. Piston rod; 41. Sealing ring; 411. Receiving groove; 5. Clamping finger; 6. Positioning ring; 61. Exhaust hole; 7. Elastic part; 8. Sealing cover plate. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution in the utility model will be described clearly and completely below. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The following embodiments are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0021] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying 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 limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0022] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0023] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0024] In the relevant technology, there is no pressure mechanical grasping device that can be directly assembled with various tool handles of machine tools. In order to solve this problem, the outer shell is installed on the tool handle, and the pipeline is connected to the machine tool through the tool handle. The machine tool provides high-pressure water to push the piston rod to move. The water pressure inside the machine tool can be directly used, thereby saving energy and ultimately achieving the purpose of simple structure and easy use.
[0025] Figure 1 It is a schematic diagram of the opening of the clamping fingers of the knife handle type water pressure finger provided by the utility model. Figure 2 It is a schematic diagram of the closing of the clamping fingers of the knife handle type hydraulic finger provided by the utility model. Figure 3 The utility model is a cross-sectional view of a piston rod of a knife handle type hydraulic finger.
[0026] The utility model provides a knife handle type water pressure finger, such as Figure 1-Figure 3 As shown, the tool handle type hydraulic finger includes: a shell 1, a pipe 2, a receiving groove 3, a piston rod 4 and a clamping finger 5; the shell 1 is installed on the tool handle, the root of the pipe 2 is connected to the machine tool through the tool handle, water is arranged inside the machine tool, and the machine tool is suitable for providing high-pressure water to enter the pipe 2, the top of the pipe 2 is connected to the two sides of the receiving groove 3, two piston rods 4 are symmetrically arranged in the receiving groove 3, and a sealing ring 41 is arranged at one end of the piston rod 4 close to the pipe 2, a through hole 11 is arranged on the top of the shell 1, the through hole 11 is connected to the receiving groove 3, the other end of the piston rod 4 is fixedly connected to the clamping finger 5, the clamping finger 5 passes through the through hole 11 and is higher than the upper surface of the shell 1, the piston rod 4 is slidably arranged in the receiving groove 3, and the clamping finger 5 moves synchronously with the piston rod 4.
[0027] In this embodiment, the outer shell 1 is installed on the tool handle, the pipeline 2 is connected to the machine tool through the tool handle, and the machine tool provides high-pressure water to push the piston rod 4 to move, thereby solving the problem that there is no pressure mechanical grasping device that can be directly assembled with various tool handles of machine tools in the prior art. The tool handle can be directly installed, and the water pressure inside the machine tool is utilized. The structure is simple and easy to use.
[0028] According to some embodiments of the utility model, the pipeline 2 is connected to the machine tool through the tool handle. The interior of the machine tool is hollow, and water can be discharged through the tool handle. The high water pressure can push the piston rod 4 to move. The piston rod 4 is fixedly connected to the clamping fingers 5. The movement of the piston rod 4 drives the clamping fingers 5 to move. The clamping fingers 5 close and clamp the blocked iron filings. The clumped iron filings are destroyed and discharged along with the machine tool, making cleaning easy.
[0029] According to some embodiments of the utility model, the knife-handle type hydraulic finger is small in size, the clamping finger 5 is fixedly connected to the piston rod 4 by screws and can be disassembled, and foreign objects inside different apertures can be clamped by changing the shape of the clamping finger 5, which has a wide range of applications.
[0030] According to a tool-handle type hydraulic finger provided by the utility model, a gate is arranged between the machine tool and the pipeline 2 .
[0031] In this embodiment, a gate is provided to control water inside the machine tool to enter the pipeline, thereby controlling the opening and closing of the gripping fingers.
[0032] According to the utility model, a knife handle type hydraulic finger is provided. Figure 1-Figure 3 As shown, the knife handle type hydraulic finger further includes a positioning ring 6 , which is sleeved on the piston rod 4 and fixedly connected to the accommodating groove 3 .
[0033] In this embodiment, the piston rod 4 is positioned by providing a positioning ring 6 .
[0034] According to some embodiments of the present utility model, when the piston rod 4 moves toward the positioning ring 6, the positioning ring 6 can prevent the clamping fingers 5 from being offset due to uneven force due to different water pressures.
[0035] According to the utility model, a knife handle type hydraulic finger is provided. Figure 1-Figure 2 As shown, the positioning ring 6 is provided with an exhaust hole 61 , and the exhaust hole 61 communicates with the receiving groove 3 and the through hole 11 , so as to facilitate the exhaust of the gas inside the receiving groove 3 .
[0036] In this embodiment, the exhaust hole 61 is provided to exhaust the gas on the side of the piston rod 4 inside the receiving groove 3 that is not under pressure, thereby preventing the internal air pressure from affecting the force applied to the gripping finger 5 .
[0037] According to the utility model, a knife handle type hydraulic finger is provided. Figure 1-Figure 3 As shown, the knife handle type hydraulic finger further comprises an elastic member 7, wherein the elastic member 7 is sleeved on the piston rod 4 and arranged between the positioning ring 6 and the sealing ring 41, so as to facilitate the resetting of the piston rod 4.
[0038] In this embodiment, by providing the elastic member 7, when the high-pressure water is released, there is no pressure at the rear, and the pressure spring rebounds the piston rod 4 to the original position.
[0039] According to some preferred embodiments of the present invention, the elastic member 7 is a spring.
[0040] According to the utility model, a knife handle type hydraulic finger is provided. Figure 1-Figure 3As shown, a receiving groove 411 is provided on the inner wall of the sealing ring 41 of the knife handle type hydraulic finger, one end of the elastic member 7 is arranged inside the receiving groove 411 and fixedly connected to the receiving groove 411, and the receiving groove 411 is suitable for receiving the elastic member 7 in a compressed state.
[0041] In this embodiment, by providing the receiving groove 411, when the piston moves toward the positioning ring 6, a large part of the spring can be contracted into the groove, thereby preventing the spring from being excessively squeezed and deformed.
[0042] According to the utility model, a knife handle type hydraulic finger is provided. Figure 1-Figure 2 As shown, the knife handle type hydraulic finger also includes a sealing cover plate 8, which is fixedly arranged on the side of the clamping finger 5 close to the piston rod 4, and the sealing cover plate 8 is slidably arranged on the top of the through hole 11, and the sealing cover plate 8 moves synchronously with the clamping finger 5.
[0043] In this embodiment, by providing the sealing cover plate 8, when the gripping fingers 5 are closed, the sealing cover plate 8 moves accordingly, and the sealing cover plate 8 completely blocks the through holes 11, thereby ensuring that no foreign matter enters when the product is working.
[0044] The technical solution of the present invention is further explained below in conjunction with a specific embodiment. It should be noted that this specific embodiment is only for the purpose of facilitating those skilled in the art to better understand the technical solution of the present invention, and should not be regarded as an unreasonable limitation on the protection scope of the present invention.
[0045] Embodiment 1
[0046] There is high-pressure water outlet at the connection position of the shank, and the pressure causes the piston rods on both sides to move toward the middle until they are closed. The positioning ring acts on the piston rod positioning function, and is also used to exclude the exhaust purpose of the side of the piston that is not under pressure. When the high-pressure water outlet is depressurized, there is no pressure at the rear, and the spring rebounds the piston rod to its original position. There is a spring groove near the spring part of the piston rod. When the piston moves toward the positioning ring, a large part of the spring can be contracted into the groove to avoid excessive extrusion and deformation of the spring. When the fingers are closed, the sealing cover plate moves with it to ensure that no foreign matter enters when the product is working. The attached figure shows that the product's fingers are open with a spacing of 23mm and the closed spacing is zero. The overall size of the product is small and the usability is diverse.
[0047] The knife handle type hydraulic finger of the utility model has the following technical effects compared with the prior art:
[0048] (1) It can be assembled with different tool holders, which is convenient for machine tool processing and easy to use.
[0049] (2) There are no external accessories. The water in the machine tool can provide power, and the fingers will rebound when the water is stopped.
[0050] (3) The device is compact and can pick up foreign matter inside small holes by changing the shape of the fingers.
[0051] (4) The structure is simple and easy to mass produce, and all parts are detachable and replaceable.
[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A knife handle type hydraulic finger, characterized in that: include: Housing, pipe, receiving tank, piston rod and gripping fingers; The shell is installed on the tool handle, the root of the pipe is connected to the machine tool through the tool handle, water is arranged inside the machine tool, the top of the pipe is connected to the two sides of the receiving groove, two piston rods are symmetrically arranged in the receiving groove, a sealing ring is arranged at one end of the piston rod close to the pipe, a through hole is arranged on the top of the shell, the through hole is connected to the receiving groove, the other end of the piston rod is fixedly connected to the clamping finger, the clamping finger passes through the through hole and is higher than the upper surface of the shell, the piston rod is slidably arranged in the receiving groove, and the clamping finger moves synchronously with the piston rod.
2. The knife handle type hydraulic finger according to claim 1, characterized in that: A gate is arranged between the machine tool and the pipeline.
3. The knife handle type hydraulic finger according to claim 1, characterized in that: It also includes a positioning ring, which is sleeved on the piston rod and fixedly connected to the accommodating groove.
4. The knife handle type hydraulic finger according to claim 3, characterized in that: The positioning ring is provided with an exhaust hole, and the exhaust hole communicates with the accommodating groove and the through hole.
5. The knife handle type hydraulic finger according to claim 4, characterized in that: It also includes an elastic member, which is sleeved on the piston rod and arranged between the positioning ring and the sealing ring.
6. The knife handle type hydraulic finger according to claim 5, characterized in that: A receiving groove is provided on the inner side wall of the sealing ring, and one end of the elastic member is arranged inside the receiving groove and fixedly connected to the receiving groove.
7. The knife handle type hydraulic finger according to claim 1, characterized in that: It also includes a sealing cover plate, which is fixedly arranged on a side of the clamping finger close to the piston rod, and the sealing cover plate is slidably arranged on the top of the through hole, and the sealing cover plate moves synchronously with the clamping finger.