High-rotating-speed pneumatic engraving and grinding machine

Abstract

The utility model discloses a high-rotating-speed pneumatic carving and grinding machine which comprises a main body, an air inlet is formed in one end of the main body, a clamping mechanism is installed at the other end of the main body, a rotor is arranged in the main body in the length direction of the main body, and the end of the rotor extends towards the outer side of the main body and is detachably connected and fixed with the clamping mechanism. The end, connected with the rotor, of the clamping mechanism is provided with a balancing weight rotating along with the rotor and the clamping mechanism. According to the high-rotating-speed pneumatic carving and grinding machine, the balancing weight is additionally arranged between the clamping mechanism and the rotor, the rotating inertia and stability are improved through the balancing weight, the rotating speed of the clamping mechanism can be greatly improved while the stability is guaranteed, and it is guaranteed that the machining precision and the machining efficiency of the grinding head are improved in a crossing mode through the high rotating speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic engraving and grinding machine technical field especially relates to a high -speed air -driven engraving and grinding machine. BACKGROUND

[0002] Pneumatic engraving and grinding machine is a kind of compressed air as power, and the driving force of compressed air is converted to the driving force of piston or fan leaf by pneumatic motor, and then the rotary power is transmitted to engraving head or cutter, to process the surface of object, it is widely used in mold processing, automobile repair, handicraft processing and other mechanical processing fields.But with the development of technology, the increasing process requirement, the production process needs to configure higher speed engraving and grinding machine to improve machining precision and processing efficiency, the chuck of conventional engraving and grinding machine is easy to produce shaking instability phenomenon when the speed reaches a certain degree, leading to the rapid rise of machining precision and processing difficulty.

[0003] Therefore, in combination with the above-mentioned technical problems, it is necessary to provide a new technical scheme. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high -speed air -driven engraving and grinding machine that can stably improve the speed of grinding head, machining precision and efficiency are higher.

[0005] To solve the above technical problems, the utility model provides a kind of high -speed air -driven engraving and grinding machine, and the specific technical scheme is as follows:

[0006] A kind of high -speed air -driven engraving and grinding machine, including main body, the main body one end is equipped with air inlet, the other end is installed with clamping mechanism, main body inside is equipped with rotor along the length direction of main body, and the end of rotor extends to the outside of main body and is detachably connected and fixed with clamping mechanism;The end of the clamping mechanism and the rotor is provided with counterweight that rotates with the rotor and clamping mechanism.

[0007] Preferably, the counterweight is integrally formed with the clamping mechanism or detachably connected and fixed, the counterweight is annularly sleeved on the outside of the clamping mechanism and the rotor, and the counterweight is coaxially arranged with the clamping mechanism and the rotor.

[0008] Preferably, the clamping mechanism includes a cylindrical chuck holder and a chuck detachably fixed to one end of the chuck holder, the end of the chuck holder away from the chuck is fixed to the end of the rotor extending out of the main body, and the counterweight is fixed to the outside of the end of the chuck holder away from the chuck.

[0009] Preferably, one end of the main body connected with the clamping mechanism is also provided with a bearing seat, the outer wall of the bearing seat is threadedly connected with the inner wall of the main body, the center of the bearing seat is provided with a relief hole larger than the diameter of the rotor, and a deep groove ball bearing is rotatably arranged on the bearing seat, the deep groove ball bearing and the bearing seat are both arranged on the circumferential side of the rotor, and the bearing seat and the rotor do not contact each other, and the counterweight is matched with one side of the bearing seat close to the clamping mechanism.

[0010] Preferably, mounting grooves are formed in the two side surfaces of the counterweight, a through hole penetrating the two side surfaces is formed in the center of the counterweight, the inner wall of the mounting groove on the side surface of the counterweight close to the clamping mechanism is matched with the outer side wall of the end portion of the collet seat, a ring-shaped protruding portion is arranged in the mounting groove on the side surface of the counterweight close to the main body and surrounds the through hole, the protruding portion extends into the bearing seat, the outer diameter of the protruding portion is matched with the inner diameter of the relief hole of the bearing seat, and the inner diameter of the protruding portion is matched with the diameter of the through hole.

[0011] Preferably, the counterweight is detachably connected with the rotor, the protruding portion and the through hole are integrally provided with internal threads, the rotor is provided with external threads, and the counterweight is threadedly connected with the rotor.

[0012] Preferably, the rotor is fixedly connected with blades on the circumferential side, and the blades are located in the interior of the main body.

[0013] The high-speed pneumatic carving and grinding machine has the following beneficial effects:

[0014] The high-speed pneumatic carving and grinding machine increases the counterweight between the clamping mechanism and the rotor, improves the rotational inertia and stability by means of the counterweight, greatly improves the rotational speed while ensuring stability, and greatly improves the machining precision and machining efficiency of the grinding head by means of high rotational speed.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Figure 1 Fig. 1 is a structural schematic view of a high-speed pneumatic carving and grinding machine;

[0018] Figure 2 Fig. 2 is a sectional view of a medium-high-speed pneumatic carving and grinding machine; Figure 1 Fig. 3 is a sectional view of a high-speed pneumatic carving and grinding machine.

[0019] Figure 3 For Figure 1 exploded schematic view of the clamping mechanism, connecting block and bearing seat;

[0020] Figure 4 For Figure 1 schematic view of the structure of the connecting block.

[0021] Wherein, 1 - the main body; 11 - bearing seat; 12 - deep groove ball bearing; 13 - rotor; 14 - blade; 15 - air inlet; 2 - clamping mechanism; 21 - chuck seat; 22 - chuck; 3 - counterweight; 31 - mounting groove; 32 - through hole; 33 - protruding part. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. EMBODIMENT

[0023] Please refer to Figures 1 to 4 , a high-speed pneumatic grinding machine, comprising a main body 1, the main body 1 is provided with an air inlet 15 at one end, and a clamping mechanism 2 is installed at the other end, the inside of the main body 1 is provided with a rotor 13 along the length direction of the main body, the end of the rotor extends to the outside of the main body and is detachably connected and fixed with the clamping mechanism; the end of the clamping mechanism 2 connected with the rotor is provided with a counterweight 3 rotating with the rotor and the clamping mechanism. The counterweight improves the rotational inertia generated when the hand rotor of the clamping mechanism is driven, and the position of the counterweight makes the overall center of gravity of the clamping mechanism move upward when the clamping mechanism rotates, which can withstand higher rotational speed while ensuring the stability of the clamping mechanism.

[0024] The counterweight 3 is integrally formed with the clamping mechanism 3 or is detachably connected and fixed, the counterweight is annularly sleeved outside the clamping mechanism and the rotor, and the counterweight is coaxially arranged with the clamping mechanism and the rotor. The counterweight is coaxial with the clamping mechanism and the rotor in order to ensure that the centers of gravity of the three are located on the same straight line, and the clamping mechanism and the counterweight can stably rotate around the axis of the rotor when the rotor rotates, reducing the shaking caused by the deviation of the center of gravity. Among them, if the counterweight and the clamping mechanism are integrally formed, the whole is cut and processed by using a blank, and the integrity is higher, but the size of the blank used is larger and the processing difficulty and processing cost are higher, if the counterweight and the clamping mechanism are separately formed and then connected and fixed, the processing difficulty and processing cost are lower, but in order to ensure the connectivity, thread cooperation or other fixing methods are needed for connection.

[0025] The clamping mechanism 2 comprises a cylindrical chuck seat 21 and a chuck 22 fixed detachably at one end of the chuck seat, the end of the chuck seat away from the chuck is sleeved and fixed at the end of the rotor 13 extending from the main body, and the counterweight is fixed outside the end of the chuck seat away from the chuck.

[0026] The end of the main body 1 connected with the clamping mechanism is further provided with a bearing seat 11, the outer wall of the bearing seat is threadedly connected with the inner wall of the main body, an avoiding hole larger than the diameter of the rotor is formed in the center of the bearing seat, a deep groove ball bearing 12 is rotatably installed on the bearing seat, the deep groove ball bearing and the bearing seat are both sleeved on the circumferential side of the rotor, and the bearing seat does not contact the rotor, and the counterweight is adapted to the side of the bearing seat close to the clamping mechanism. The two sides of the bearing seat are respectively used for installing the deep groove ball bearing and limiting the counterweight, preventing the components from being separated during rotation and the like.

[0027] The two side surfaces of the counterweight 3 are both provided with mounting grooves 31, a through hole 32 penetrating the two side surfaces is formed in the center of the counterweight, the inner wall of the mounting groove on the side surface of the counterweight close to the clamping mechanism is adapted to the outer side wall of the end of the chuck seat, a ring-shaped protruding part 33 is arranged in the mounting groove on the side surface of the counterweight close to the main body and surrounds the through hole, the protruding part extends into the bearing seat, the outer diameter of the protruding part is adapted to the inner diameter of the avoiding hole of the bearing seat, and the inner diameter of the protruding part is adapted to the diameter of the through hole.

[0028] The counterweight 3 is detachably connected with the rotor 13, the protruding part 33 and the through hole 32 are integrally provided with internal threads, the rotor is provided with external threads, and the counterweight is threadedly connected with the rotor.

[0029] The rotor 13 is fixedly connected with a blade 14 on the circumferential side of the rotor 13, and the blade is located in the interior of the main body.

[0030] The beneficial effects of the utility model are as follows: the counterweight is arranged between the clamping mechanism and the rotor, the rotational inertia and stability are improved by the counterweight, the clamping mechanism can greatly improve the rotating speed while ensuring the stability, and the processing precision and processing efficiency of the grinding head are greatly improved by the high rotating speed.

[0031] Although the embodiments of the utility model have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. A high-rotational-speed pneumatic lapping machine, characterized by: The utility model provides a kind of air compressor, including main body (1), the main body (1) one end is equipped with air inlet (15), the other end is equipped with clamping mechanism (2), main body (1) inside is equipped with rotor (13) along main body length direction, rotor end extends to main body outside and is detachably connected with clamping mechanism fixed;The clamping mechanism (2) is detachably connected with the one end of rotor and is fixed, and the counterweight (3) is rotatable with the rotor and the clamping mechanism.

2. A high-rotational-speed pneumatic lapping machine according to claim 1, characterized in that: The counterweight (3) is integrally formed with the clamping mechanism (2) or detachably connected and fixed, the counterweight is annularly sleeved outside the clamping mechanism and the rotor, and the counterweight is coaxially arranged with the clamping mechanism and the rotor.

3. A high-rotational-speed air lapping machine according to claim 2, characterized in that: The clamping mechanism (2) includes a cylindrical chuck holder (21) and a chuck (22) detachably fixed at one end of the chuck holder, the end of the chuck holder away from the chuck is sleeved and fixed at the end of the rotor (13) extending out of the main body, and the counterweight is fixed outside the end of the chuck holder away from the chuck.

4. A high-rotational-speed air lapping machine according to claim 3, characterized in that: The main body (1) is further provided with a bearing seat (11) at the end connected with the clamping mechanism, the outer wall of the bearing seat is threadedly connected with the inner wall of the main body, an avoiding hole larger than the diameter of the rotor is formed in the center of the bearing seat, a deep groove ball bearing (12) is rotatably mounted on the bearing seat, the deep groove ball bearing and the bearing seat are both sleeved around the rotor, and the bearing seat does not contact the rotor, and the counterweight is adapted to the side of the bearing seat close to the clamping mechanism.

5. A high-rotational-speed pneumatic lapping machine according to claim 4, characterized in that: The counterweight (3) is provided with mounting grooves (31) on both sides, a through hole (32) penetrating through both sides is formed in the center of the counterweight, the inner wall of the mounting groove on the side of the counterweight close to the clamping mechanism is adapted to the outer wall of the end of the chuck holder, a ring-shaped protruding part (33) is arranged in the mounting groove on the side of the counterweight close to the main body around the through hole, the protruding part extends into the bearing seat, the outer diameter of the protruding part is adapted to the inner diameter of the avoiding hole of the bearing seat, and the inner diameter of the protruding part is adapted to the diameter of the through hole.

6. A high-rotational-speed pneumatic lapping machine according to claim 5, characterized in that: The counterweight (3) is detachably connected with the rotor (13), the protruding part (33) and the through hole (32) are integrally provided with internal threads, the rotor is provided with external threads, and the counterweight is threadedly connected with the rotor.

7. The high-rotational-speed air lapping machine according to claim 1, characterized by: The rotor (13) is fixedly connected with blades (14) around the side, and the blades are located inside the main body.

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