CN220346570U

CN220346570U - High-precision weight measurement mechanism

Info

Publication number: CN220346570U
Application number: CN202320651726.6U
Authority: CN
Inventors: 林红举; 林荣庆; 朱水奇
Original assignee: Changshan Fengtai Bearing Co ltd
Current assignee: Changshan Fengtai Bearing Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2024-01-16
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a high-precision weight measurement mechanism, which comprises a workbench, wherein the top end of the workbench is provided with a pair of support columns, a guide rail is arranged above the support columns, an automatic feeding mechanism is arranged above the guide rail, the top end of the workbench is provided with a weight display shell, the bottom end of the guide rail is provided with a first opening, and the front inner wall and the rear inner wall of the guide rail are both provided with a second opening; the beneficial effects are as follows: through setting up the longer guide rail that just inclines to set up of length, a large amount of bearing rings can be deposited to the material loading end of guide rail to set up automatic feeding mechanism on the guide rail, steerable bearing ring's roll, thereby can realize bearing ring's material loading automatically, set up adjustment mechanism, the cooperation has fly leaf and the gear of weight-measuring board and pressure sensor, can also have good screening function simultaneously, whole automation is high, does not need the staff manual work to carry out material loading unloading and screening, work efficiency improves greatly, and reduces artificial power.

Description

High-precision weight measurement mechanism

Technical Field

The utility model relates to the technical field of weight measurement of bearing rings, in particular to a high-precision weight measurement mechanism.

Background

Bearing rings are annular parts of radial rolling bearings with one or several raceways, which are usually made of high nitrogen stainless steel, standard bearing steel and ceramics. The bearing ring requires a weight measuring mechanism to check its weight after production.

At present, an electronic scale is adopted for weighing the weight measuring mechanism, so that the detection precision is high, but when the weight measuring mechanism is normally used, a worker is required to manually place a bearing ring on the electronic scale, observe numbers on the electronic scale, analyze whether the bearing ring is in a qualified range, store a qualified shaft sleeve ring and an unqualified shaft sleeve ring separately, and a large amount of labor force is required, so that the weight measuring mechanism is low in working efficiency and inconvenient for large-scale weight detection.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The present utility model provides a high-precision weight measurement mechanism to solve the above-mentioned problems of the prior art.

For this purpose, the utility model adopts the following specific technical scheme:

the utility model provides a weight measurement mechanism of high accuracy, includes the workstation, the top of workstation is equipped with a pair of support column, the top of support column is equipped with the guide rail, automatic feeding mechanism is installed to the top of guide rail, the top of workstation is equipped with weight display shell, the bottom of guide rail is equipped with opening one, the front and back inner wall of guide rail all is equipped with opening two, opening two's bottom extends to the below of guide rail, opening one's inside is equipped with the fly leaf, the top of fly leaf is inlayed and is had the weight measurement board, the bottom of weight measurement board is equipped with pressure sensor, both ends all are equipped with around the fly leaf extend to opening two inside gear one, just gear one with opening two's inner wall rotation is connected, the top of workstation install with gear one assorted adjustment mechanism, the top of workstation is equipped with opening three.

Preferably, the adjusting mechanism comprises a first motor positioned above the workbench, a screw is arranged in the middle of the top end of the first motor, a lifting plate is sleeved on the screw thread, a pair of first racks are arranged on the top end of the lifting plate, the first racks are connected with the first gears in a meshed mode, and a stop lever is connected between the first racks and the second racks.

Preferably, the top end of the screw rod is rotatably connected with the bottom surface of the guide rail, and one side of the lifting plate is connected with the inner wall of one side of the weight display shell in an up-down sliding manner.

Preferably, the automatic feeding mechanism comprises a box body arranged above the guide rail, a motor II is arranged on the front face of the box body, a gear II connected with the motor II in a transmission mode is arranged in the box body, a rack II connected with the gear II in a meshed mode is arranged on one side of the gear II, a baffle is arranged at the bottom end of the rack II, a rack III connected with the gear II in a meshed mode is arranged on the other side of the gear II, an elastic telescopic rod is arranged at the other side of the bottom end of the rack III, and an arc-shaped limiting piece is arranged at the bottom end of the elastic telescopic rod.

Preferably, the third rack is of an L-shaped structure, and the rear ends of the third rack and the second rack are provided with sliding blocks which are connected with the inner wall of the rear end of the box body in an up-down sliding manner.

Preferably, the weight display shell comprises a shell, an electronic display is arranged on the front face of the shell, a controller is arranged on the inner wall of the front face of the shell, and the electronic display, the controller, the motor I and the pressure sensor are electrically connected.

The beneficial effects of the utility model are as follows:

1. the guide rail with long length and inclined arrangement is arranged, a large number of bearing rings can be stored at the feeding end of the guide rail, and an automatic feeding mechanism consisting of a box body, a second motor, a second gear, a second rack, a baffle plate, a third rack, an elastic telescopic rod and an arc-shaped limiting plate is arranged on the guide rail, so that the rolling of the bearing rings can be controlled, and the feeding of the bearing rings can be automatically realized;

2. through setting up the adjustment mechanism that comprises motor one, the screw rod, the lifter plate, rack one and pin, the cooperation has fly leaf and the gear of weight measurement board and pressure sensor, before detecting, the fly leaf is in the level, the pin protrusion can carry out weight measurement to the bearing ring under the roll, it is qualified to measure, the fly leaf upwards swings, the pin moves down this moment, qualified bearing ring can roll automatically and leave, it is unqualified to measure, the fly leaf downwards swings, unqualified bearing ring is discharged from opening three, not only can detect the weight of bearing ring fast, simultaneously also have good screening function, overall automation is high, do not need the staff to carry out material loading unloading and screening manually, work efficiency improves greatly, and reduce artificial power, but scale weight measurement.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a high-precision weight measurement mechanism according to an embodiment of the present utility model;

FIG. 2 is a partial front cross-sectional view of a rail and weight display housing in a high precision weight measurement mechanism according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of A in FIG. 2 of a high-precision weight measurement mechanism in accordance with an embodiment of the present utility model;

FIG. 4 is a side cross-sectional view of a rail in a high accuracy weight measurement mechanism according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of an automatic feeding mechanism in a high-precision weight measurement mechanism according to an embodiment of the present utility model.

In the figure:

1. a work table; 2. a support column; 3. a guide rail; 4. a weight display housing; 5. an opening I; 6. an opening II; 7. a movable plate; 8. a weight measurement plate; 9. a first gear; 10. an opening III; 11. a first motor; 12. a screw; 13. a lifting plate; 14. a first rack; 15. a stop lever; 16. a case body; 17. a second motor; 18. a second gear; 19. a second rack; 20. a baffle; 21. a third rack; 22. an elastic telescopic rod; 23. arc limiting sheets; 24. a pressure sensor.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, a high-precision weight measurement mechanism is provided.

Embodiment one;

as shown in fig. 1-5, the high-precision weight measurement mechanism according to the embodiment of the utility model comprises a workbench 1, a pair of support columns 2 are arranged at the top end of the workbench 1, a guide rail 3 is arranged above the support columns 2, the guide rail 3 is long and is obliquely arranged, a large number of bearing rings to be detected by weight can be stored, an automatic feeding mechanism is arranged above the guide rail 3, the bearing rings can be automatically fed, a weight display shell 4 is arranged at the top end of the workbench 1, an opening one 5 is arranged at the bottom end of the guide rail 3, openings two 6 are respectively arranged on the front inner wall and the rear inner wall of the guide rail 3, the bottom end of the opening two 6 extends to the lower part of the guide rail 3, a movable plate 7 is arranged in the opening one 5, a weight measurement plate 8 is embedded at the top end of the movable plate 7, a pressure sensor 24 is arranged at the bottom end of the weight measurement plate 8, the pressure sensor 24 is in a model CZL-G601, the pressure sensor 24 is matched with the weight display shell 4, the measured weight precision is high due to the adoption of an intelligent electronic scale principle, the movable plate 7 is in a horizontal state at the same time, the measurement precision of the axle sleeve is indirectly improved, the weight measurement precision of the axle sleeve is also, gears 7 are respectively arranged at the front end and rear end 6 of the movable plate 7 are respectively connected with the front end 6 and rear end 6 of the workbench, two end 9 is respectively provided with an opening one end 9, and two end 9 is respectively connected with the workbench 1, and the workbench 1 is respectively, and the front end 9 is provided with an opening one end 9.

Embodiment two;

as shown in fig. 1-5, according to the embodiment of the utility model, the adjusting mechanism comprises a first motor 11 positioned above the workbench 1, a screw 12 is arranged in the middle of the top end of the first motor 11, a lifting plate 13 is sleeved on the screw 12 in a threaded manner, a pair of first racks 14 are arranged at the top end of the lifting plate 13, the first racks 14 are meshed with the first gear 9, a stop lever 15 is connected between the first front and second racks 14, the angle of the movable plate 7 can be adjusted, unqualified bearing rings can be discharged from the opening three 10, and qualified bearing rings can be discharged from the other end of the guide rail 3, so that the adjusting mechanism can be flexibly adjusted, and only one first motor 11 is needed, the top end of the screw 12 is rotatably connected with the bottom surface of the guide rail 3, the stable supporting function is realized on the screw 12, the stability during rotation of the screw 12 can be improved, one side of the lifting plate 13 is in up-down sliding connection with the inner wall of one side of the weight display housing 4, and good limit is realized on the lifting plate 13, and the lifting plate 13 can only move up and down.

Embodiment three;

as shown in fig. 1-5, according to the high-precision weight measurement mechanism of the embodiment of the utility model, the automatic feeding mechanism comprises a box body 16 arranged above a guide rail 3, a motor II 17 is arranged on the front surface of the box body 16, a motor II 18 which is in positive rotation and negative rotation is arranged in the box body 16, a gear II 18 in transmission connection with the motor II 17 is arranged in the box body, a rack II 19 in meshed connection with the gear II is arranged on one side of the gear II 18, a baffle 20 is arranged at the bottom end of the rack II 19, a rack III 21 in meshed connection with the gear II is arranged on the other side of the gear II 18, an elastic telescopic rod 22 is arranged at the other side of the bottom end of the rack III 21, an arc-shaped limiting piece 23 is arranged at the bottom end of the elastic telescopic rod 22, automatic feeding of a bearing ring to be measured on the guide rail 3 can be realized, the automatic feeding of the rack III 21 is high in automation, frequent feeding measurement of workers is not needed, the working efficiency can be improved, the installation of the elastic telescopic rod 22 is facilitated, the installation of the elastic telescopic rod 22 is arranged on the upper side, the rack II 21 has a larger telescopic range, the rear end of the rack III 21 is arranged at the rear end of the rack 19, the rear end of the rack II 19 is in a sliding state, the upper and the rear end of the slider of the box body 16 is well in sliding condition, and the rack 19 is well prevented from being in suspension.

Fourth embodiment;

as shown in fig. 1 to 5, according to the high-precision weight measurement mechanism of the embodiment of the utility model, the weight display housing 4 comprises a housing, the front surface of the housing is provided with an electronic display which can display the weight measured by the bearing ring, the front inner wall of the housing is provided with a controller, the model number of the controller is PS-BST106-M10, the controller plays a role in control, and the electronic display, the controller, the motor one 11 and the pressure sensor 24 are electrically connected and mutually matched for use, so that a good measurement and screening function can be achieved.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

In practical application, the motor II 17 rotates positively, the gear II 18 rotates positively, the rack II 19 moves upwards, the baffle plate 20 moves upwards slowly, the rack III 21 moves downwards, the elastic telescopic rod 22 moves downwards together with the arc-shaped limiting plates 23, the arc-shaped limiting plates 23 are attached to the upper part of the bearing outer ring (at the moment, the positions of the two bearing rings are kept unchanged), the motor II 17 continues to rotate positively, at the moment, the bearing rings close to the weight display shell 4 lose the limit of the baffle plate 20 and roll obliquely along the guide rail 3, meanwhile, the elastic telescopic rod 22 contracts elastically, the arc-shaped limiting plates 23 continue to squeeze the upper end of the bearing rings, the motor II 17 rotates reversely, at the moment, the baffle plate 20 moves downwards to reset, and at the same time, the arc-shaped limiting plates 23 move upwards to reset (the bearing rings below the arc-shaped limiting plates automatically roll obliquely, and the baffle plate 20 limits the bearing rings to roll continuously), so that the automatic feeding function is realized; the bearing ring rolls downwards obliquely along the guide rail 3 until the bearing ring contacts the stop lever 15 to stop rolling, at the moment, the weight measuring plate 8 applies pressure to the pressure sensor 24, the pressure sensor 24 is elastically deformed, so that impedance is changed, meanwhile, excitation voltage is used for changing, a changed analog signal is output, the signal is converted into a digital signal which is convenient to process and is output to a CPU (Central processing Unit) operation control, the CPU outputs the result to a screen on an electronic display according to a keyboard command and a program, meanwhile, the controller can analyze whether the weight is in a qualified range (which can be set through the electronic display) or not, so that the specific operation condition of the motor I11 is controlled, if the weight is in the qualified range, the motor I11 is driven to rotate forwards, at the moment, the lifting plate 13 and the rack I14 move downwards, the movable plate 7 swings upwards and the guide rail 3 are kept flat, the bearing ring loses the limit of the stop lever 15, if the weight of the weight measuring plate I11 is not in the qualified range, the lifting plate 13, the rack I14 and the stop lever 15 move upwards, the bearing ring swings downwards, and the bearing is discharged from the opening III 10.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a weight measurement mechanism of high accuracy, its characterized in that, including workstation (1), the top of workstation (1) is equipped with a pair of support column (2), the top of support column (2) is equipped with guide rail (3), automatic feeding mechanism is installed to the top of guide rail (3), the top of workstation (1) is equipped with weight display shell (4), the bottom of guide rail (3) is equipped with opening one (5), the front and back inner wall of guide rail (3) all is equipped with opening two (6), the bottom of opening two (6) extends to the below of workstation (3), the inside of opening one (5) is equipped with fly leaf (7), the top of fly leaf (7) is inlayed and is had weight measurement board (8), the bottom of weight measurement board (8) is equipped with pressure sensor (24), both ends all are equipped with and extend to inside gear one (9) of opening two (6), just gear one (9) with the inner wall rotation of opening two (6) is connected, the workstation (1) is equipped with adjustment mechanism (10) on top phase-match.

2. The high-precision weight measurement mechanism according to claim 1, wherein the adjustment mechanism comprises a first motor (11) located above the workbench (1), a screw (12) is arranged in the middle of the top end of the first motor (11), a lifting plate (13) is sleeved on the screw (12) in a threaded mode, a pair of first racks (14) are arranged on the top end of the lifting plate (13), the first racks (14) are in meshed connection with the first gears (9), and a stop lever (15) is connected between the first racks (14) and the second racks.

3. The high-precision weight measuring mechanism according to claim 2, wherein the top end of the screw (12) is rotatably connected with the bottom surface of the guide rail (3), and one side of the lifting plate (13) is vertically and slidably connected with the inner wall of one side of the weight display housing (4).

4. The high-precision weight measurement mechanism according to claim 1, wherein the automatic feeding mechanism comprises a box body (16) arranged above the guide rail (3), a motor II (17) is arranged on the front surface of the box body (16), a gear II (18) in transmission connection with the motor II (17) is arranged in the box body (16), a rack II (19) in meshed connection with the gear II (18) is arranged on one side of the gear II (18), a baffle (20) is arranged at the bottom end of the rack II (19), a rack III (21) in meshed connection with the gear II is arranged on the other side of the gear II (18), an elastic telescopic rod (22) is arranged on the other side of the bottom end of the rack III (21), and an arc-shaped limiting piece (23) is arranged at the bottom end of the elastic telescopic rod (22).

5. The high-precision weight measuring mechanism according to claim 4, wherein the third rack (21) has an L-shaped structure, and a slider which is slidably connected with the inner wall of the rear end of the box body (16) is provided at the rear ends of the third rack (21) and the second rack (19).

6. A high precision weight measurement mechanism according to claim 2, wherein the weight display housing (4) comprises a housing, an electronic display is mounted on the front side of the housing, a controller is mounted on the inner wall of the front side of the housing, and electrical connections are provided between the electronic display, the controller, the first motor (11) and the pressure sensor (24).