High-strength shock-resistant machine head

Abstract

The utility model discloses a high-strength shock-resistant machine head which comprises a Z-axis drag chain box, a Z-axis bottom plate is fixedly installed on the lower surface of the Z-axis drag chain box, a plurality of Z-axis motors are fixedly installed on the Z-axis bottom plate and linearly distributed at equal intervals, an output shaft of each Z-axis motor is fixedly connected with a Z-axis lead screw, the Z-axis lead screws are sleeved with Z-axis nut seats, and the Z-axis nut seats are fixedly connected with the Z-axis drag chain box. The Z-axis sliding block is installed on the back face of the Z-axis guide rail in a sliding mode through the structural design that the back face of the Z-axis sliding block is reversely installed, and therefore the Z-axis sliding block can be connected with the Z-axis sliding plate through the reversely installed Z-axis sliding block. Due to the reverse structural design, the distance between the Z-axis guide rail and the Z-axis sliding plate can be effectively reduced, the Z-axis sliding plate can be tightly attached to the Z-axis guide rail to move, and therefore the problem that machining is unstable due to the thickness distance of the sliding blocks between the guide rail and the Z-axis sliding plate body can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field, concretely is a high strength anti -seismic machine head. BACKGROUND

[0002] Numerical control machine tool is the abbreviation of digital control machine tool, and it is an automatic machine tool with a program control system. The control system can logically process the program with control code or other symbol instructions, and translate it into code numbers. The code numbers are input into the numerical control device through the information carrier. After operation and processing, the numerical control device sends various control signals to control the machine tool, and automatically processes the parts according to the shape and size required by the drawing.

[0003] The numerical control tool holder is an important part of the numerical control machine tool, which is installed on the machine tool and connected with the main shaft, and is one of the machine tool accessories for driving the machine tool cutter to rotate. The tool holder of the traditional numerical control machine tool needs to use a driving mechanism in use. The driving mechanism is usually composed of a thread transmission and a linear guide rail. A linear slider is connected to the upper surface of the linear guide rail. The linear slider is connected with the Z-axis sliding plate or seat of the tool holder. The structure design of the linear guide rail front slider installation is used in actual use. Because the slider has a certain thickness, a certain thickness gap is generated between the guide rail and the tool holder. When the tool holder is processed, the tool holder may vibrate unstably due to the thickness gap, and the anti-vibration strength is not high, which affects the machining quality of the machine tool. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a high strength anti -seismic machine head to solve the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high strength anti -seismic machine head, including Z axis tow chain box, Z axis bottom plate is fixedly installed on the lower surface of Z axis tow chain box, a plurality of Z axis motor is fixedly installed on Z axis bottom plate, a plurality of Z axis motor is linearly distributed at equal intervals, the output shaft of each Z axis motor is fixedly connected with Z axis screw rod, Z axis nut seat is sleeved on Z axis screw rod, Z axis nut seat is in threaded connection with Z axis screw rod, Z axis guide rail is arranged on the both sides of Z axis screw rod and located on Z axis bottom plate, a plurality of Z axis sliders are slidably connected to the back surface of Z axis guide rail, Z axis sliding plate is fixedly installed on the outer surface of Z axis nut seat, and the back surface of Z axis sliding plate is fixedly connected with a plurality of Z axis sliders.

[0006] Preferably, the outer surface of the bottom end of the Z-axis sliding plate is fixedly installed with a main shaft clamp seat.

[0007] Preferably, the main shaft clamp seat is fixedly installed with a tool holder.

[0008] Preferably, the top end of the Z-axis sliding plate is fixedly installed with a Z-axis drag chain.

[0009] Preferably, the top end of the Z-axis screw rod is connected with a bearing seat, and the bearing seat is fixedly installed on the outer wall of the Z-axis bottom plate.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The Z-axis sliding block of the utility model is slidably installed on the back of the Z-axis guide rail through the back installation structure design, and the back installation structure design can effectively reduce the spacing between the Z-axis guide rail and the Z-axis sliding plate, so that the Z-axis sliding plate can closely move along the Z-axis guide rail, thereby effectively avoiding the unstable processing problem caused by the thickness spacing of the sliding block between the Z-axis guide rail and the Z-axis sliding plate. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front perspective structure diagram of the anti-shock machine head of the utility model embodiment.

[0013] Figure 2 It is a threaded drive structure diagram of the anti-shock machine head of the utility model embodiment.

[0014] Figure 3 It is an A area enlarged structure diagram of the utility model embodiment. Figure 2

[0015] In the figure: 1, Z-axis drag chain box; 2, Z-axis bottom plate; 3, Z-axis motor; 4, Z-axis screw rod; 5, Z-axis nut seat; 6, Z-axis guide rail; 7, Z-axis sliding block; 8, Z-axis sliding plate; 9, main shaft clamping seat; 10, tool holder; 11, Z-axis drag chain. DETAILED DESCRIPTION

[0016] The technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] ​In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the position relation or location relation is based on the position relation or location relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0018] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the term "installation", "is provided with", "connection" and so on, should be broad understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0019] Please refer to Figures 1-3 The utility model provides an embodiment: a high strength anti -seismic head, including Z axis tow chain box 1, Z axis bottom plate 2 is fixedly installed in Z axis tow chain box 1 lower surface, a plurality of Z axis motor 3 is fixedly installed on Z axis bottom plate 2, a plurality of Z axis motor 3 linear distribution at equal intervals, the output shaft of each Z axis motor 3 is fixedly connected with Z axis screw rod 4, the top end of Z axis screw rod 4 is connected bearing seat, and the bearing seat is fixedly installed on the outer wall of Z axis bottom plate 2, so that the Z axis motor 3 set through its output shaft can drive Z axis screw rod 4 synchronous rotation;

[0020] Z axis screw rod 4 is sleeved with Z axis nut seat 5, and Z axis nut seat 5 is threadedly connected with Z axis screw rod 4, and Z axis guide rail 6 is arranged on the both sides of Z axis screw rod 4 and located on Z axis bottom plate 2, a plurality of Z axis sliding block 7 are slidably connected to the back surface of Z axis guide rail 6, Z axis sliding plate 8 is fixedly installed on the outer surface of Z axis nut seat 5, and the back surface of Z axis sliding plate 8 is fixedly connected with a plurality of Z axis sliding block 7.

[0021] This kind of structural design, when Z axis screw rod 4 is rotated under the drive of Z axis motor 3, the threadedly connected Z axis nut seat 5 on it can be linearly moved up and down along Z axis screw rod 4, so that the movement of Z axis nut seat 5 drives Z axis sliding plate 8 to move up and down;

[0022] Meanwhile, the utility model is provided with Z axis guide rail 6, and the Z axis guide rail 6 set can play a certain displacement guiding effect when Z axis sliding plate 8 moves up and down, so that the up and down movement of Z axis sliding plate 8 guarantees straightness, and has good displacement guiding effect.

[0023] In this embodiment, in order to ensure the normal use of the tool holder, the main shaft clamp seat 9 is fixedly installed on the outer surface of the bottom end of the Z-axis sliding plate 8, and the tool holder 10 is fixedly installed on the main shaft clamp seat 9.

[0024] The tool holder 10 is provided with a motor for machining, and the top end of the Z-axis sliding plate 8 is fixedly provided with a Z-axis drag chain 11.

[0025] Working principle: when the utility model is used, the Z-axis drag chain box 1 is arranged, the utility model can be installed on the adaptive numerical control machine tool as a whole, so as to ensure the normal structure use effect;

[0026] The Z-axis motor 3 is arranged, the output shaft of the Z-axis motor 3 can drive the Z-axis screw 4 to rotate synchronously, when the Z-axis screw 4 rotates under the driving of the Z-axis motor 3, the Z-axis nut seat 5 threadedly connected thereon can move linearly up and down along the Z-axis screw 4, so that the Z-axis nut seat 5 moves to drive the Z-axis sliding plate 8 to displace up and down, so that the Z-axis sliding plate 8 can drive the tool holder 10 to rise and fall, so that the normal feeding and retracting of numerical control machining can be ensured;

[0027] The Z-axis guide rail 6 is arranged, the Z-axis guide rail 6 can play a certain displacement guiding role when the Z-axis sliding plate 8 moves up and down, so that the up and down movement of the Z-axis sliding plate 8 is linear, and the displacement guiding effect is good;

[0028] And the Z-axis sliding block 7 of the utility model adopts a back surface reverse mounting structure and is slidably installed on the Z-axis guide rail 6, so that the reverse mounting Z-axis sliding block 7 can be connected with the Z-axis sliding plate 8, in actual use, the reverse mounting structure can effectively reduce the spacing between the Z-axis guide rail 6 and the Z-axis sliding plate 8, so that the Z-axis sliding plate 8 can move closely to the Z-axis guide rail 6, thereby effectively avoiding the machining instability problem caused by the thickness spacing of the sliding block between the Z-axis guide rail and the Z-axis sliding plate 8, the reverse mounting structure of the utility model can effectively improve the overall structural strength and shock resistance of the tool holder, improve the shock resistance stability during tool holder machining, has the use characteristics of high strength and shock resistance, makes the tool holder machining more stable, and improves the machine tool machining quality.

[0029] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A high strength shock resistant handpiece comprising a Z-axis drag chain box (1), characterized in that, The lower surface of the Z-axis drag chain box (1) is fixedly installed with a Z-axis bottom plate (2), a plurality of Z-axis motors (3) are fixedly installed on the Z-axis bottom plate (2), the plurality of Z-axis motors (3) are linearly distributed at equal intervals, the output shaft of each Z-axis motor (3) is fixedly connected with a Z-axis screw rod (4), the Z-axis screw rod (4) is sleeved with a Z-axis nut seat (5), the Z-axis nut seat (5) is threadedly connected with the Z-axis screw rod (4), Z-axis guide rails (6) are arranged on the both sides of the Z-axis screw rod (4) and located on the Z-axis bottom plate (2), a plurality of Z-axis sliding blocks (7) are slidably connected to the back surface of the Z-axis guide rail (6), the outer surface of the Z-axis nut seat (5) is fixedly installed with a Z-axis sliding plate (8), and the back surface of the Z-axis sliding plate (8) is fixedly connected with the plurality of Z-axis sliding blocks (7).

2. A high strength shock absorbing handpiece according to claim 1, wherein: The outer surface of the bottom end of the Z-axis sliding plate (8) is fixedly installed with a main shaft clamp seat (9).

3. A high strength shock absorbing handpiece according to claim 2, wherein: The main shaft clamp seat (9) is fixedly installed with a tool shank (10).

4. A high strength shock absorbing handpiece according to claim 1, wherein: The top end of the Z-axis sliding plate (8) is fixedly installed with a Z-axis drag chain (11).

5. A high strength shock absorbing handpiece according to claim 1, wherein: The top end of the Z-axis screw rod (4) is connected with a bearing seat, and the bearing seat is fixedly installed on the outer wall of the Z-axis bottom plate (2).

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