Protection type machining center main shaft vibration detection equipment

Abstract

The utility model discloses a protective processing center main shaft vibration detection device, which relates to the technical field of main shaft vibration measurement and comprises a processing center workbench, a main shaft box is arranged above the processing center workbench, a detection fixing seat is arranged on the processing center workbench, a sliding sleeve is slidably connected above a first sliding groove, and a second sliding groove is arranged above the sliding sleeve. And movable plates are mounted on the front surfaces of the first movable sleeve and the second movable sleeve through telescopic springs. According to the protection type machining center main shaft vibration detection equipment, when a small machining center main shaft is used for vibration measurement, under the condition that the vibration force of the main shaft is small, the vibration sensor and the magnetic attraction block can be directly adopted, the magnetic attraction block is attracted to the shaft sleeve, and when the vibration force of the main shaft cannot be estimated or is large, the vibration sensor can be installed on the electric telescopic rod; and a detection fixing seat is mounted on the machining center, so that the vibration sensor is protected, and the situation that the vibration sensor is vibrated off due to large vibration force is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to spindle vibration detection technical field, concretely is a kind of detection equipment of protective machining center spindle vibration. BACKGROUND

[0002] ‌Machining center is a kind of modernization numerical control machine tool of multiple processing functions in one, mainly used for processing complex shape workpiece, with the characteristics of high efficiency, high precision and high automation.

[0003] ‌Machining center spindle rotates, drives tool to workpiece and processes, spindle vibration can lead to processing precision to drop, produces error.In the processing process, the vibration of spindle can directly influence the size, shape and position precision of workpiece, lead to workpiece to not reach the expected geometric shape and size requirement‌.Therefore, the vibration of machining center spindle needs to be detected.

[0004] The utility model discloses a device for detecting machining center spindle vibration is disclosed in the Chinese utility model patent with application No.202321971217.8, the fixed assembly and clamping assembly are set, two abutting plates are abutted to vibration sensor, so that the fixation of vibration sensor can be realized, and the disassembly or installation of vibration sensor can be directly carried out by screwing screw every time, which is simple and convenient to operate, and has strong stability.But its device still has certain defects;

[0005] Only the vibration of one position of spindle sleeve can be detected, the detection is not accurate enough, when other positions of spindle sleeve need to be detected, the whole device needs to be disassembled, and the position is selected and installed again, so that the detection efficiency is low.

[0006] Therefore, we propose a kind of detection equipment of protective machining center spindle vibration to solve the problems proposed in the above. CONTENT OF UTILITY MODEL

[0007] The utility model aims at providing a kind of detection equipment of protective machining center spindle vibration to solve the problems proposed in the above background art that only the vibration of one position of spindle sleeve can be detected in the current market, the detection is not accurate enough, when other positions of spindle sleeve need to be detected, the whole device needs to be disassembled, and the position is selected and installed again, so that the detection efficiency is low.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a kind of detection equipment of protective machining center spindle vibration, including machining center workstation, spindle box is installed above the machining center workstation, and shaft sleeve is installed to the left of spindle box, detection fixing seat is installed on the machining center workstation, and first sliding slot and locating groove are opened in detection fixing seat, sliding sleeve is slidably connected to the top of first sliding slot, and first movable sleeve and second movable sleeve are sequentially installed to the left of sliding sleeve from top to bottom, the front surface of first movable sleeve and second movable sleeve is equipped with movable plate by telescopic spring, and locating block is installed on the rear side of movable plate, connecting plate is installed on first movable sleeve and second movable sleeve, and limiting bolt is installed between connecting plate, baffle is installed to the side of limiting bolt;

[0009] The front surface of the sliding sleeve is provided with an adjusting assembly, and the front surface of the adjusting assembly is provided with a magnetic block through an electric telescopic rod and a vibration sensor.

[0010] The inner bottom surface of the first sliding slot is provided with a wire harness storage box, and the wire harness storage box is provided with a wire harness clamping block inside.

[0011] Preferably, the detection fixing seat is detachably connected with the machining center workstation, and the detection fixing seat is located on one side of the shaft sleeve.

[0012] The above structure design is adopted, and the detection fixing seat is installed above the machining center workstation to facilitate the vibration measurement position of the spindle.

[0013] Preferably, the locating groove is located on the upper and lower sides of the first sliding slot, and a plurality of locating grooves are equidistantly distributed, and the first movable sleeve and the second movable sleeve are slidably connected with the detection fixing seat.

[0014] The above structure design is adopted, when adjusting the position of the sliding sleeve, the sliding sleeve moves left and right along the first sliding slot, and then drives the first movable sleeve and the second movable sleeve on the adjusting sliding sleeve to move left and right along the detection fixing seat, so that the sliding sleeve is more stable when moving left and right, and the position of the vibration sensor on the sliding sleeve is more stable when adjusting.

[0015] Preferably, the first movable sleeve and the second movable sleeve are fixedly connected with the sliding sleeve, the locating block penetrates the first movable sleeve and the second movable sleeve, and the locating block is clamped with the locating groove.

[0016] The above structure design is adopted, when the locating block is stressed, it can be clamped with the locating groove, so that the two locating blocks and the two locating grooves are clamped at the same time, the fixing stability of the first movable sleeve and the second movable sleeve is improved, and the fixing stability of the sliding sleeve is improved.

[0017] Preferably, the baffle is fixedly connected to the limiting bolt, and the limiting bolt is threadedly connected to the connecting plate. When the limiting bolt drives the baffle to rotate to the point of pressing against the movable plate, the lower end of the limiting bolt abuts against the upper surface of the wire harness storage box.

[0018] With the above structural design, the rotating limit bolt drives the baffle to rotate, the baffle presses against the movable plate, and the movable plate drives the positioning block to engage with the positioning groove. At this time, the lower end of the limit bolt abuts against the upper surface of the wire harness storage box, thereby increasing the friction between the limit bolt and the surface of the wire harness storage box, making the adjusting sleeve, the first movable sleeve and the second movable sleeve more stable when fixed.

[0019] Preferably, the adjustment assembly includes an adjustment block, a second slide groove, an adjustment bolt, and a slider. The adjustment block is mounted on the front surface of the slide sleeve, and the adjustment block has a second slide groove. The adjustment bolt is installed in the second slide groove, and the slider is mounted on the adjustment bolt. The slider is slidably connected to the adjustment block, and an electric telescopic rod is mounted on the front surface of the slider. The electric telescopic rod is detachably connected to the vibration sensor.

[0020] With the above structural design, rotating the adjusting bolt causes the slider to move up and down, which in turn moves the vibration sensor up and down, thus facilitating the adjustment of the vibration sensor's height. When measuring the vibration of a small machining center spindle, if the spindle vibration force is small, the vibration sensor and magnetic block can be used directly, with the magnetic block simply attached to the bushing. If the spindle vibration force is unpredictable or large, the vibration sensor can be mounted on an electric telescopic rod, and a detection mounting base can be installed on the machining center. This protects the vibration sensor from being shaken off by the large vibration force.

[0021] Preferably, the wire harness storage box has wire holes on both the left and right sides, and a detachable door is provided on the front surface of the wire harness storage box. Multiple wire harness clips are provided, and the wire harness clips are designed in a side "I" shape.

[0022] Using the above structural design, the connecting wires of the vibration sensor are passed through the wire holes on the wire harness storage box, and then S-shaped wound around the multiple wire harness clips inside the wire harness storage box. Then, they are pulled out through the wire hole on the left side. If there are still many wires, they can be stored in the storage slot and limited by the limiting elastic strip, which makes it easy to store the vibration sensor. The structure is simple and convenient.

[0023] Compared with the prior art, the beneficial effects of this utility model are: the protective machining center spindle vibration detection device:

[0024] The adjusting sleeve is arranged, the rotating adjusting bolt is arranged, the adjusting bolt drives the slider to move up and down, the slider drives the vibration sensor to move up and down, thereby, the height of the vibration sensor is conveniently adjusted, the position of the adjusting sleeve is adjusted, thereby, the position of the vibration sensor in the horizontal direction is conveniently adjusted, thereby, the vibration of different positions of the shaft sleeve is conveniently detected, and the detection precision is higher.

[0025] The wire harness storage box is arranged, the connecting wire on the vibration sensor is threaded through the wire hole on the wire harness storage box, is then S-shapedly wound on the plurality of wire harness clamping blocks in the wire harness storage box, is then pulled out through the wire hole on the left side, and if there are still more wires at the moment, the wires can be stored in the storage groove and are limited by the limiting elastic strips, thereby, the vibration sensor is conveniently stored, and the structure is simple and convenient.

[0026] The detection fixing seat is arranged, in the vibration detection of the main shaft of the small machining center, the vibration force of the main shaft is small, the vibration sensor and the magnetic attraction block can be directly used, the magnetic attraction block is adsorbed on the shaft sleeve, the vibration force of the main shaft cannot be estimated or is large, the vibration sensor is installed on the electric telescopic rod, the detection fixing seat is installed on the machining center, thereby, the vibration sensor is protected, and the vibration sensor is prevented from being vibrated and falling due to the large vibration force. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a whole structure schematic diagram of the detection equipment of the utility model;

[0028] Figure 2 It is the utility model Figure 1 It is an enlarged structure schematic diagram of A place in the utility model;

[0029] Figure 3 It is a whole installation structure schematic diagram of the utility model;

[0030] Figure 4 It is a first movable sleeve and second movable sleeve position structure schematic diagram of the utility model;

[0031] Figure 5 It is a vibration sensor installation structure schematic diagram of the utility model;

[0032] Figure 6 It is a wire harness storage box internal structure schematic diagram of the utility model.

[0033] In the figure: 1, machining center workbench; 2, main shaft box; 3, shaft sleeve; 4, detection fixed seat; 5, first sliding groove; 6, positioning groove; 7, sliding sleeve; 8, first movable sleeve; 9, second movable sleeve; 10, telescopic spring; 11, movable plate; 12, positioning block; 13, connecting plate; 14, limiting bolt; 15, baffle; 16, adjusting block; 17, second sliding groove; 18, adjusting bolt; 19, sliding block; 20, electric telescopic rod; 21, vibration sensor; 22, magnetic attraction block; 23, wire harness storage box; 24, wire harness clamping block; 25, storage groove; 26, limiting elastic strip. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0035] Please refer to Figures 1-6The utility model provides a technical scheme: a kind of detection equipment of protective machining center main shaft vibration, including machining center workstation 1, main shaft box 2, shaft sleeve 3, detection fixed seat 4, first sliding slot 5, positioning groove 6, sliding sleeve 7, first movable sleeve 8, second movable sleeve 9, telescopic spring 10, movable plate 11, locating block 12, connecting plate 13, limit bolt 14, baffle 15, adjusting block 16, second sliding slot 17, adjusting bolt 18, sliding block 19, electric telescopic rod 20, vibration sensor 21, magnetic attraction piece 22, wire harness storage box 23, wire harness clamping block 24, storage groove 25 and limit elastic strip 26, the upper portion of machining center workstation 1 is installed with main shaft box 2, and the left side of main shaft box 2 is installed with shaft sleeve 3, and detection fixed seat 4 is installed on machining center workstation 1, and detection fixed seat 4 is detachably connected with machining center workstation 1, detection fixed seat 4 is located at the side of shaft sleeve 3, detection fixed seat 4 is installed on the upper portion of machining center workstation 1 to facilitate the position of the main shaft vibration measurement, and first sliding slot 5 and positioning groove 6 are set in detection fixed seat 4, positioning groove 6 is located at the upper and lower sides of first sliding slot 5, and positioning groove 6 is equidistantly distributed with multiple, first movable sleeve 8 and second movable sleeve 9 are slidably connected with detection fixed seat 4, when the position of adjusting sliding sleeve 7 is adjusted, sliding sleeve 7 moves left and right along first sliding slot 5, and then drives first movable sleeve 8 and second movable sleeve 9 on adjusting sliding sleeve 7 to move left and right along detection fixed seat 4, so that sliding sleeve 7 is more stable when moving left and right, and the position of vibration sensor 21 on sliding sleeve 7 is more stable when being adjusted, sliding sleeve 7 is slidably connected above first sliding slot 5, and first movable sleeve 8 and second movable sleeve 9 are sequentially installed on the left side of sliding sleeve 7 from top to bottom, first movable sleeve 8 and second movable sleeve 9 are fixedly connected with sliding sleeve 7, locating block 12 penetrates first movable sleeve 8 and second movable sleeve 9, and locating block 12 is clamped with positioning groove 6, locating block 12 can be clamped with positioning groove 6 when being stressed, so that the clamping of two locating blocks 12 and two positioning grooves 6 is realized simultaneously, the fixing stability of first movable sleeve 8 and second movable sleeve 9 is improved, so that the fixing stability of sliding sleeve 7 is improved.The front surface of the first movable sleeve 8 and the second movable sleeve 9 is provided with a movable plate 11 through an elastic spring 10, and the upper and lower sides of the rear side of the movable plate 11 are provided with a positioning block 12, the first movable sleeve 8 and the second movable sleeve 9 are provided with a connecting plate 13, and the connecting plate 13 is provided with a limiting bolt 14, the side surface of the limiting bolt 14 is provided with a baffle 15, the baffle 15 is fixedly connected with the limiting bolt 14, the limiting bolt 14 is threadedly connected with the connecting plate 13, when the baffle 15 is rotated to be pressed with the movable plate 11, the lower end of the limiting bolt 14 abuts against the upper surface of the wire harness storage box 23, the limiting bolt 14 is rotated, the limiting bolt 14 drives the baffle 15 to rotate, the baffle 15 presses the movable plate 11, the movable plate 11 drives the positioning block 12 to be clamped with the positioning groove 6, at this time, the lower end of the limiting bolt 14 abuts against the upper surface of the wire harness storage box 23, thereby improving the friction between the limiting bolt 14 and the surface of the wire harness storage box 23, and the adjusting sliding sleeve 7, the first movable sleeve 8 and the second movable sleeve 9 are more stable when being fixed.

[0036] The front surface of the sliding sleeve 7 is provided with an adjusting assembly, and the front surface of the adjusting assembly is provided with an electric telescopic rod 20 and a vibration sensor 21, the front surface of the vibration sensor 21 is provided with a magnetic attraction block 22, the adjusting assembly comprises an adjusting block 16, a second sliding groove 17, an adjusting bolt 18 and a sliding block 19, the front surface of the sliding sleeve 7 is provided with the adjusting block 16, the second sliding groove 17 is formed in the adjusting block 16, the adjusting bolt 18 is installed in the second sliding groove 17, the sliding block 19 is installed on the adjusting bolt 18, the sliding block 19 is slidably connected with the adjusting block 16, the front surface of the sliding block 19 is provided with the electric telescopic rod 20, and the electric telescopic rod 20 is detachably connected with the vibration sensor 21, the adjusting bolt 18 is rotated, the adjusting bolt 18 drives the sliding block 19 to move up and down, the sliding block 19 drives the vibration sensor 21 to move up and down, thereby facilitating the adjustment of the height of the vibration sensor 21, in the case that the vibration force of the main shaft of the small machining center is small, the vibration sensor 21 and the magnetic attraction block 22 can be directly used, the magnetic attraction block 22 is adsorbed on the shaft sleeve 3, in the case that the vibration force of the main shaft cannot be estimated or is large, the vibration sensor 21 is installed on the electric telescopic rod 20, the detection fixing seat 4 is installed on the machining center, thereby playing a protection role on the vibration sensor 21, and preventing the vibration sensor 21 from being shaken off due to large vibration force.

[0037] A wire harness storage box 23 is installed on the inner bottom surface of the first slide groove 5, and a wire harness snap-fit ​​block 24 is installed inside the wire harness storage box 23. A storage groove 25 is opened on the inner bottom surface of the left side of the wire harness storage box 23, and a limiting elastic strip 26 is installed on the storage groove 25. Wire holes are opened on both the left and right sides of the wire harness storage box 23, and a detachable door is provided on the front surface of the wire harness storage box 23. Multiple wire harness snap-fit ​​blocks 24 are provided. The wire harness snap-fit ​​blocks 24 are designed with a side "I" shape. The connecting wire of the vibration sensor 21 is passed through the wire hole on the wire harness storage box 23, and then S-shaped wound around the multiple wire harness snap-fit ​​blocks 24 inside the wire harness storage box 23. Then it is pulled out through the wire hole on the left side. If there are still many wires, they can be stored in the storage groove 25 and limited by the limiting elastic strip 26, so as to facilitate the storage of the vibration sensor 21. The structure is simple and convenient.

[0038] Working Principle: When using this protective machining center spindle vibration detection equipment, firstly, install the detection mounting base 4 on the machining center worktable 1 at a convenient position for measuring spindle vibration. Then, adjust the position of the sliding sleeve 7. The sliding sleeve 7 drives the vibration sensor 21 to the required detection position on the bushing 3. Rotate the limit bolt 14. The limit bolt 14 drives the baffle 15 to rotate. The baffle 15 presses against the movable plate 11. The movable plate 11 drives the positioning block 12 to engage with the positioning groove 6. At this time, the lower end of the limit bolt 14 abuts against the upper surface of the wire harness storage box 23, thereby increasing the friction between the limit bolt 14 and the surface of the wire harness storage box 23, making the adjustment of the sliding sleeve 7, the first movable sleeve 8, and the second movable sleeve 9 more stable when fixed. Then, rotate the adjusting bolt 18. 18 drives slider 19 to move up and down, slider 19 drives vibration sensor 21 to move up and down, adjusting vibration sensor 21 to the required height. Then, the electric telescopic rod 20 is activated, which drives vibration sensor 21 and magnetic block 22 to move towards bushing 3, so that magnetic block 22 abuts against bushing 3. The vibration generated when the spindle rotates can be transmitted to magnetic block 22 and vibration sensor 21 through bushing 3, thereby measuring the vibration of the spindle through vibration sensor 21. When measuring vibration at different positions of bushing 3, after the electric telescopic rod 20 drives vibration sensor 21 and magnetic block 22 away from bushing 3, the horizontal position of vibration sensor 21 can be adjusted by adjusting slider 7. Then, the range of vibration sensor 21 can be adjusted by electric telescopic rod 20.

[0039] The connecting line on the vibration sensor 21 is passed through the wire hole on the wire harness storage box 23, then S-shapedly wound on the plurality of wire harness clamping blocks 24 inside the wire harness storage box 23, then pulled out through the wire hole on the left side, and if there is still more wire at this time, it can be stored in the storage groove 25 and limited by the limiting elastic strip 26, so as to facilitate the storage of the vibration sensor 21, and the structure is simple and convenient.

[0040] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A detection device for protecting the spindle of a machining center from vibrations, comprising a machining center worktable (1), characterized in that: The machining center workbench (1) is provided with a main shaft box (2) on the top, and the left side of the main shaft box (2) is provided with a shaft sleeve (3), the machining center workbench (1) is provided with a detection fixed seat (4), and the detection fixed seat (4) is provided with a first sliding groove (5) and a positioning groove (6), the upper side of the first sliding groove (5) is slidably connected with a sliding sleeve (7), and the left side of the sliding sleeve (7) is sequentially provided with a first movable sleeve (8) and a second movable sleeve (9) from top to bottom, the front surface of the first movable sleeve (8) and the second movable sleeve (9) is provided with a movable plate (11) through a telescopic spring (10), and the rear side of the movable plate (11) is provided with a positioning block (12) on the upper and lower sides, the first movable sleeve (8) and the second movable sleeve (9) are provided with a connecting plate (13), and the connecting plate (13) is provided with a limiting bolt (14) between them, and the side surface of the limiting bolt (14) is provided with a baffle (15). The front surface of the sliding sleeve (7) is provided with an adjusting assembly, and the front surface of the adjusting assembly is provided with an electric telescopic rod (20) and a vibration sensor (21), and the front surface of the vibration sensor (21) is provided with a magnetic attraction block (22). The inner bottom surface of the first sliding groove (5) is provided with a wire harness storage box (23), and the inside of the wire harness storage box (23) is provided with a wire harness clamping block (24), the left inner bottom surface of the wire harness storage box (23) is provided with a storage groove (25), and the storage groove (25) is provided with a limiting elastic strip (26).

2. The apparatus for detecting vibration of a protective machining center spindle according to claim 1, characterized in that: The detection fixed seat (4) is detachably connected with the machining center workbench (1), and the detection fixed seat (4) is located on one side of the shaft sleeve (3).

3. The apparatus for detecting vibration of a protected machining center spindle according to claim 1, characterized in that: The positioning groove (6) is located on the upper and lower sides of the first sliding groove (5), and the positioning groove (6) is equidistantly distributed with a plurality of, the first movable sleeve (8) and the second movable sleeve (9) are slidably connected with the detection fixed seat (4).

4. The apparatus for detecting vibration of a protected machining center spindle according to claim 3, characterized in that: The first movable sleeve (8) and the second movable sleeve (9) are fixedly connected with the sliding sleeve (7), the positioning block (12) penetrates the first movable sleeve (8) and the second movable sleeve (9), and the positioning block (12) is clamped with the positioning groove (6).

5. The apparatus for detecting vibration of a protected machining center spindle according to claim 1, characterized in that: The baffle (15) is fixedly connected with the limiting bolt (14), the limiting bolt (14) is threadedly connected with the connecting plate (13), when the limiting bolt (14) drives the baffle (15) to rotate and extrudes the movable plate (11), the lower end of the limiting bolt (14) abuts against the upper surface of the wire harness storage box (23).

6. The apparatus for detecting vibration of a protected machining center spindle according to claim 1, characterized in that: The adjusting assembly comprises an adjusting block (16), a second sliding groove (17), an adjusting bolt (18) and a sliding block (19), the front surface of the sliding sleeve (7) is provided with an adjusting block (16), and the adjusting block (16) is provided with a second sliding groove (17), the second sliding groove (17) is provided with an adjusting bolt (18), the adjusting bolt (18) is provided with a sliding block (19), the sliding block (19) is slidably connected with the adjusting block (16), the front surface of the sliding block (19) is provided with an electric telescopic rod (20), and the electric telescopic rod (20) is detachably connected with the vibration sensor (21).

7. The apparatus for detecting vibration of a protected machining center spindle according to claim 1, characterized in that: The wire harness storage box (23) is provided with wire holes on both sides, and the front surface of the wire harness storage box (23) is provided with a detachable door. The wire harness clamping block (24) is designed in a side "H" type structure.

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