Main shaft unclamping device

Abstract

The utility model relates to a spindle unclamping device which comprises a bottom frame, the bottom of the bottom frame is fixedly connected with a supporting frame, the bottom of the supporting frame is connected with a damping structure, the bottom of the damping structure is connected with a universal wheel with a brake, the top of the bottom frame is provided with a support, and the top of the bottom frame is provided with an unclamping air cylinder. According to the main shaft unclamping device, different types of machining center main shafts are concentrated on the same workbench for unclamping testing, a corresponding unclamping workbench does not need to be additionally arranged, the main shafts are placed on the main shaft fixing frame, and after it is confirmed that the main shafts are connected with the unclamping air cylinder, the main shafts can be unclamped. When a power source is switched on, the unclamping air cylinder can realize the unclamping running-in and long-time fatigue test of the main shaft, the unclamping test of the main shaft is completed before the main shaft is installed, the internal precision detection of the main shaft, the running-in of the main shaft broaching and tool unloading and the like can be realized through the unclamping tool, and the working efficiency is improved to a great extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely is a main shaft device of beating sword. BACKGROUND

[0002] The main shaft of machine tool refers to the shaft that rotates workpiece or tool on machine tool, and is usually composed of main shaft, bearing and transmission part and the like main shaft component, and is mainly used for supporting transmission parts such as gear and pulley, and transmitting movement and torque, and most machine tools have main shaft components, and traditional main shaft beating sword mode is mostly manual hydraulic device cooperation frock beating sword, or starting hydraulic cylinder cooperation oil pipe beating sword, and there is also installation to machine tool and then beating sword test.

[0003] But the main shaft beating sword mode of prior art beats sword cycle and is long, cannot discover the defect existing in main shaft in advance, and then reduces work efficiency to some extent, and the device main body meets the position of concave-convex uneven, and vibration is generated, and then damage to pulley and influence to the component on the device are caused to some extent, and therefore a main shaft beating sword device is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the defects of prior art, the utility model provides a main shaft beating sword device, has early discovery potential defect, shortens beating sword cycle and improves work efficiency and the like advantages, solves the problem that the main shaft beating sword mode of prior art beats sword cycle and is long, cannot discover the defect existing in main shaft in advance, and then reduces work efficiency to some extent, and the device main body meets the position of concave-convex uneven, and vibration is generated, and then damage to pulley and influence to the component on the device are caused to some extent.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a main shaft beating sword device, including the bottom frame, the bottom of the bottom frame is fixedly connected with the support frame, the bottom of the support frame is connected with the damping structure, the bottom of the damping structure is connected with the band brake universal wheel, the top of the bottom frame is provided with the support, the top of the bottom frame is provided with the beating sword cylinder, the support is provided with the lifting sleeve, the support is provided with the lifting plate, the top of the bottom frame is provided with the placing seat, the bottom frame is provided with the main shaft fixing frame;

[0008] The damping structure comprises a mounting shell, a first damping rod, a damping spring, a connecting seat, a sliding groove, a second damping rod and a sliding block, the bottom of the support frame is connected with the mounting shell, the inner top wall of the mounting shell is fixedly installed with the first damping rod, the outer surface of the first damping rod is sleeved with the damping spring, the inside of the mounting shell is movably connected with the connecting seat, the left and right inner walls of the mounting shell are both provided with the sliding groove, the inside of the sliding groove is fixedly installed with the second damping rod, and the left and right sides of the connecting seat are both fixedly connected with the sliding block.

[0009] Further, the number of the first damping rods is four, and the four first damping rods are respectively located at the four corners of the inner top wall of the mounting shell.

[0010] Further, the top of the damping spring is fixedly connected with the inner top wall of the mounting shell, and the bottom of the damping spring and the first damping rod is fixedly connected with the top of the connecting seat.

[0011] Further, the two sliding blocks respectively extend to the inside of the two sliding grooves, and the two sliding blocks are respectively in sliding connection with the two sliding grooves.

[0012] Further, the bottom of the second damping rod is fixedly connected with the inner bottom wall of the sliding groove, and the top of the second damping rod is fixedly connected with the bottom of the sliding block.

[0013] Further, the bottom of the connecting seat is rotatably connected with the top of the brake universal wheel, the bottom of the mounting shell is provided with a through hole, and the size of the through hole is matched with the size of the brake universal wheel.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0016] 1. The main shaft tool breaking device, by placing different types of machining center main shafts on the same workbench for tool breaking test, without the need for additional tool breaking workbenches, by placing the main shaft on the main shaft fixing frame, confirming the connection with the tool breaking cylinder, and connecting the power source, the tool breaking cylinder can be used to realize main shaft tool breaking and long-term fatigue test, and the tool breaking test is completed before the main shaft is installed, the tool breaking tool can realize main shaft internal precision detection, main shaft tool breaking and tool unloading, and greatly improves the work efficiency.

[0017] 2. The main shaft tool breaking device, by setting the damping structure, when the device main body moves on the uneven ground, the brake universal wheel will vibrate, and then the vibration is transmitted to the damping structure, and the vibration is damped by the cooperation of the first damping rod, the damping spring, the sliding block and the second damping rod, ensuring the stability of the device main body during movement, and effectively improving the service life of the device as a whole. Attached Figure Description

[0018] Figure 1 This is a front sectional view of the present invention;

[0019] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 3 This is a right-side sectional view of the present invention;

[0021] Figure 4 This is a top view of the present invention;

[0022] Figure 5 This utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0023] Figure 6 This utility model Figure 1 Enlarged view of the intermediate damping structure.

[0024] In the diagram: 1. Base frame, 2. Support frame, 3. Shock-absorbing structure, 301. Mounting housing, 302. First damping rod, 303. Shock-absorbing spring, 304. Connecting seat, 305. Slide groove, 306. Second damping rod, 307. Slider, 4. Universal wheel with brake, 5. Brake, 6. Tool-cutting cylinder, 7. Lifting sleeve, 8. Lifting plate, 9. Placement seat, 10. Spindle fixing frame. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-6 This embodiment of a spindle cutting device includes a base frame 1, a support frame 2 fixedly connected to the bottom of the base frame 1, a shock-absorbing structure 3 connected to the bottom of the support frame 2, a universal wheel 4 with brake connected to the bottom of the shock-absorbing structure 3, a bracket 5 on the top of the base frame 1, a cutting cylinder 6 on the top of the base frame 1, a lifting sleeve 7 on the bracket 5, a lifting plate 8 on the bracket 5, a placement seat 9 on the top of the base frame 1, and a spindle fixing frame 10 on the base frame 1. By placing the spindle on the spindle fixing frame 10 and confirming the connection, the power source can be turned on to realize the spindle cutting and long-term fatigue testing through the cutting cylinder 6. Moreover, the cutting test of the spindle can be completed before installation. The cutting fixture can realize the internal precision detection of the spindle, the cutting and unloading of the spindle, etc., which greatly improves the work efficiency.

[0027] Specifically, the damping structure 3 is composed of seven components of the mounting shell 301, the first damping rod 302, the damping spring 303, the connecting seat 304, the sliding groove 305, the second damping rod 306 and the sliding block 307, the mounting shell 301 is connected at the bottom of the support frame 2, the inner top wall of the mounting shell 301 is fixedly installed with the first damping rod 302, the outer surface of the first damping rod 302 is sleeved with the damping spring 303, the inside of the mounting shell 301 is movably connected with the connecting seat 304, the left and right inner walls of the mounting shell 301 are both provided with the sliding groove 305, the inside of the sliding groove 305 is fixedly installed with the second damping rod 306, the left and right sides of the connecting seat 304 are both fixedly connected with the sliding block 307, the bottom of the connecting seat 304 is rotatably connected with the top of the caster 4, the bottom of the mounting shell 301 is provided with a through hole, the size of the through hole is matched with the size of the caster 4, when the device main body moves on the uneven ground, the caster 4 will vibrate and then transmit the vibration to the damping structure 3, and the vibration is damped by the cooperation of the first damping rod 302 and the damping spring 303 and the cooperation of the sliding block 307 and the second damping rod 306, so as to ensure the stability of the device main body when moving.

[0028] Specifically, the number of the first damping rod 302 is four, the four first damping rods 302 are respectively located at the four corners of the inner top wall of the mounting shell 301, the top of the damping spring 303 is fixedly connected with the inner top wall of the mounting shell 301, the bottom of the damping spring 303 and the first damping rod 302 are both fixedly connected with the top of the connecting seat 304, so as to eliminate part of the vibration by the cooperation of the first damping rod 302 and the damping spring 303.

[0029] Specifically, the two sliding blocks 307 respectively extend to the inside of the two sliding grooves 305, and the two sliding blocks 307 are respectively slidably connected with the two sliding grooves 305, the bottom of the second damping rod 306 is fixedly connected with the inner bottom wall of the sliding groove 305, and the top of the second damping rod 306 is fixedly connected with the bottom of the sliding block 307, so as to reduce the vibration amplitude by the second damping rod 306.

[0030] In implementation, the following steps are performed: when in use, first, the main shaft is placed on the main shaft fixing frame 10, and after confirming that the connection with the tool changing cylinder 6 is completed, the power source is turned on, so that the main shaft tool changing and grinding and long time fatigue test can be realized by the tool changing cylinder 6, and the tool changing test of the main shaft before installation is realized, the internal precision detection of the main shaft, the grinding of the main shaft and the tool changing can be realized by the tool changing tool.

[0031] In summary, the spindle tool breaking device concentrates different types of machining center spindles on the same workbench for tool breaking test, without the need to additionally set up a corresponding tool breaking workbench, and after the spindle is placed on the spindle fixing frame 10 and the connection with the tool breaking cylinder 6 is confirmed, the power source is connected to realize the spindle tool breaking running-in and long-term fatigue test through the tool breaking cylinder 6, and the tool breaking test of the spindle before installation is realized, the internal precision detection of the spindle, the running-in of the spindle tool and the tool removal, etc.

[0032] Moreover, by setting the damping structure 3, when the device main body encounters uneven ground during movement, the shock absorbing universal wheel 4 will vibrate, and then the vibration will be transmitted to the damping structure 3, and through the cooperation of the first damping rod 302 and the damping spring 303, and the slider 307 and the second damping rod 306, the generated vibration is double-damped, ensuring the stability of the device main body during movement, effectively improving the overall service life of the device, solving the problem that the existing spindle tool breaking method has a long tool breaking period and cannot detect defects in the spindle in advance, thereby reducing the work efficiency to a certain extent, and the device main body will vibrate when encountering uneven positions, thereby damaging the pulley to a certain extent and affecting the components on the device.

[0033] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0034] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A main shaft tool changing device comprising a base frame (1), characterized in that: The bottom of the chassis (1) is fixedly connected with a support frame (2), the bottom of the support frame (2) is connected with a damping structure (3), the bottom of the damping structure (3) is connected with a universal wheel (4) with brake, the top of the chassis (1) is provided with a support (5), the top of the chassis (1) is provided with a tool knocking cylinder (6), the support (5) is provided with a lifting sleeve (7), the support (5) is provided with a lifting plate (8), the top of the chassis (1) is provided with a placing seat (9), and the top of the chassis (1) is provided with a main shaft fixing frame (10); The damping structure (3) comprises a mounting shell (301), a first damping rod (302), a damping spring (303), a connecting seat (304), a sliding groove (305), a second damping rod (306) and a sliding block (307), the bottom of the support frame (2) is connected with the mounting shell (301), the inner top wall of the mounting shell (301) is fixedly connected with the first damping rod (302), the outer surface of the first damping rod (302) is sleeved with the damping spring (303), the inside of the mounting shell (301) is movably connected with the connecting seat (304), the left and right two side walls of the mounting shell (301) are both provided with the sliding groove (305), the inside of the sliding groove (305) is fixedly connected with the second damping rod (306), and the left and right two sides of the connecting seat (304) are both fixedly connected with the sliding block (307).

2. A spindle tool changing device according to claim 1, characterized in that The number of the first damping rod (302) is four, and the four first damping rods (302) are located at the four corners of the inner top wall of the mounting shell (301).

3. The spindle tool breaking device according to claim 1, characterized in that: The top of the damping spring (303) is fixedly connected with the inner top wall of the mounting shell (301), and the bottom of the damping spring (303) and the first damping rod (302) is fixedly connected with the top of the connecting seat (304).

4. The spindle tool breaking device according to claim 1, characterized in that: Two sliding blocks (307) extend into two sliding grooves (305) respectively, and two sliding blocks (307) are slidably connected with two sliding grooves (305) respectively.

5. The device according to claim 1, wherein: The bottom of the second damping rod (306) is fixedly connected with the inner bottom wall of the sliding groove (305), and the top of the second damping rod (306) is fixedly connected with the bottom of the sliding block (307).

6. The spindle tool breaking device according to claim 1, characterized in that: The bottom of the connecting seat (304) is rotatably connected with the top of the universal wheel (4) with brake, the bottom of the mounting shell (301) is provided with a through hole, and the size of the through hole is matched with the size of the universal wheel (4) with brake.

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