Adjustable bearing positioning tool

Abstract

The invention discloses an adjustable bearing positioning tool which comprises a feeding tool table and a conveying belt, the feeding end of the feeding tool table is connected with the discharging end of the conveying belt, slidable positioning clamping jaws are arranged above the feeding tool table and installed on the feeding tool table, the positioning clamping jaws comprise a set of first clamping jaws and two sets of second clamping jaws, and the first clamping jaws and the second clamping jaws are arranged on the feeding tool table. The first clamping jaw is located on the side, away from the conveying belt, of the feeding tool table, the first clamping jaw and the two sets of second clamping jaws are arranged in a circumferential array, and the array center of the first clamping jaw and the array center of the two sets of second clamping jaws are coaxially arranged. The device has the beneficial effects that the array center of the first clamping jaw and the two groups of second clamping jaws is coaxial with the center, so that when the first clamping jaw and the two groups of second clamping jaws are used for positioning bearing bodies with different sizes, the centers of the bearing bodies with different sizes are always coaxial with the center; therefore, the bearing bodies of different sizes can be stably clamped for feeding, and the positioning accuracy of the positioning clamping jaw on the bearing bodies of different sizes is improved.

Description

Technical Field

[0001] The invention relates to the technical field of bearing positioning tooling, in particular to an adjustable bearing positioning tooling. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. my country's bearing industry has developed rapidly, with a wide variety of bearings, low product quality and technical level, and a small to large industry scale. A professional production system with a complete range of products and a relatively reasonable production layout has been formed. Due to the large-scale requirements of bearing production, it is possible to use advanced machine tools, tooling and processes, such as CNC machine tools, three-jaw floating chucks and protective atmosphere heat treatment. The specialization of bearing production provides conditions for its production automation. In production, a large number of fully automatic and semi-automatic special and non-special machine tools are used, and production automatic lines are gradually promoted and applied, such as heat treatment automatic lines and assembly automatic lines.

[0003] In the process of conveying bearings, some existing bearing automation production lines usually use conveyor belts to convey bearings. The conveyor belts move intermittently to cooperate with the feeding device to intermittently feed and clamp the bearings. However, the intermittent movement of the conveyor belts in the process of transporting bearings will cause relative displacement between the bearings and the conveyor belt below, which may easily lead to the feeding device failing to clamp the bearings or the clamping state being unstable, affecting the processing efficiency and quality of the equipment. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of some existing bearing automation production lines, in which a conveyor belt is usually used to convey bearings during the conveying process. The conveyor belt moves intermittently to cooperate with a loading device to intermittently load and clamp the bearings. However, the intermittent movement of the conveyor belt in the process of transporting the bearings will cause relative displacement between the bearing and the conveyor belt below, which may easily lead to the loading device failing to clamp the bearing or the clamping state being unstable, affecting the processing efficiency and processing quality of the equipment, and an adjustable bearing positioning tool is provided.

[0005] The objective of the present invention is achieved through the following technical scheme: an adjustable bearing positioning fixture, comprising a loading fixture table and a conveyor belt, wherein the feeding end of the loading fixture table is connected to the discharging end of the conveyor belt, and a slidable positioning claw is installed on the loading fixture table, the positioning claw comprises a group of first claws and two groups of second claws, the first claw is located on the side of the loading fixture table away from the conveyor belt, the first claw and the two groups of second claws are in a circular array, the array center of the first claw and the two groups of second claws is coaxially arranged with the center of the first claw, and the first claw is arranged on the loading fixture table far away from the conveyor belt. The side away from the conveyor belt can ensure that the bearing body on the conveyor belt passes through the two groups of second claws to reach the positioning range between the first claw and the two groups of second claws under the conveying action of the conveyor belt, which is convenient for the first claw and the two groups of second claws to position the bearing body. At the same time, the array center of the first claw and the two groups of second claws is set to be coaxial with the center, which can ensure that when the first claw and the two groups of second claws are positioning bearing bodies of different sizes, the center of the bearing bodies of different sizes is always coaxial with the center, so as to meet the requirement of stably clamping bearing bodies of different sizes for loading, and improve the accuracy of positioning the positioning claws on bearing bodies of different sizes; A slide groove corresponding to the positioning claw is provided on the loading workbench, a base is installed under the loading workbench, a sliding rod is installed between the loading workbench and the base, the array center of the first claw and the second claw is coaxially arranged with the sliding rod, an electric slide is installed on the sliding rod, and a sleeve rod slidably connected to the sliding rod is installed on the moving end of the electric slide, and three groups of connecting rods passing through the slide groove and connected to the positioning claws are installed on the sleeve rod, and the two ends of the connecting rod are rotatably connected to the positioning claws and the sleeve rod respectively. The matching of the sliding rod, the electric slide and the sleeve rod can enable the connecting rod to drive the positioning claws to synchronously contract or expand and move on the loading workbench, so that the first claw and the second claw always maintain a circular array, so that the positioning claws can perform positioning operations on bearing bodies of different sizes. At the same time, the structure is simple, the stability is high, and it is easy to maintain and maintain; Pressure sensors are installed on the first jaw and the second jaw, and the pressure sensors are connected to the external PLC control end. By setting the pressure sensors on the first jaw and the second jaw, the pressure between the first jaw and the second jaw and the bearing body can be detected during the positioning of the first jaw and the second jaw. When the external PLC control end obtains that the pressure between the first jaw and the second jaw and the bearing body is the same, it means that the first jaw and the second jaw have completed the positioning of the bearing body, and the positioning state of the bearing body is stable. At this time, the external PLC control end controls the sleeve rod on the electric slide to stop moving, and the bearing body can be clamped and loaded.

[0006] A further technical solution is that a displacement sensor is installed on the sleeve rod, and the displacement sensor is connected to the external PLC control end. By setting the displacement sensor, the displacement distance of the sleeve rod on the sliding rod can be detected. At the same time, the external PLC control end can convert it into the displacement distance between the first claw and the second claw, thereby calculating the diameter size of the positioning bearing body on the loading workbench, thereby detecting the size of the bearing body to avoid loading errors.

[0007] A further technical solution is that spacer blocks are arranged at equal distances on the conveyor belt, bearing bodies are placed between two groups of spacer blocks, and slots corresponding to the spacer blocks are opened at the feed end of the loading table. The spacer blocks are provided to space different bearing bodies to avoid contact between adjacent bearing bodies resulting in quantity errors in bearing body loading, thereby ensuring the stability of conveyor belt loading.

[0008] A further technical solution is that two sets of limit blocks are installed at the discharge end of the conveyor belt. The limit blocks are inclined on the side close to the conveyor belt. Two sets of electric push rods corresponding to the limit blocks are installed on the conveyor belt. The telescopic ends of the electric push rods are connected to the limit blocks. The two sets of limit blocks can limit the bearing body on the conveyor belt, ensure the accuracy of the discharge displacement of the bearing body, and ensure the smoothness of the feeding and unloading operation of the loading tooling table and the conveyor belt. The electric push rod can adjust the distance between the limit blocks to meet the needs of bearing bodies of different sizes, thereby improving the applicability of the equipment.

[0009] A further technical solution is that an infrared detector responsible for sensing and detecting the spacer block is installed at the feed end of the loading tooling table, and the infrared detector is connected to the external PLC control end. When the infrared detector detects the spacer block, it indicates that the bearing body has entered the loading tooling table. At this time, the infrared detector sends a signal to the external PLC control end. At this time, the external PLC control end controls the sleeve rod on the electric slide to drive the positioning claw to move to clamp the bearing body. At the same time, the external PLC control end controls the conveyor belt to pause moving for loading. When the external PLC control end obtains the same pressure between the first claw and the second claw and the bearing body through the pressure sensor, it indicates that the first claw and the second claw have completed the positioning of the bearing body, and the positioning state of the bearing body is stable. At this time, the external PLC control end controls the sleeve rod on the electric slide to stop moving. At this time, the bearing body can be clamped and loaded, thereby ensuring the smoothness of the tooling operation.

[0010] A further technical solution is that an alarm light is installed on the loading workbench, and the alarm light is connected to the external PLC control terminal. The alarm light can alarm when the external PLC control terminal detects that the size of the bearing body is inconsistent with the set value or other faults occur, so that the staff can troubleshoot the fault as soon as possible.

[0011] A further technical solution is that a rotatable slot is installed at the feed end of the loading table, and the slot is flush with the feed end of the loading table and the discharge end of the conveyor belt respectively. The slot has a certain conveying function, and the slot is flush with the feed end of the loading table and the discharge end of the conveyor belt respectively to ensure smooth and stable feeding of the loading table.

[0012] A further technical solution is that a slider loading claw is installed at the bottom of the positioning claw, the slider loading claw is located in the slide groove, and the slider loading claw is slidingly connected to the slide groove, the end of the connecting rod away from the sleeve rod is rotatably connected to the slider loading claw, and the slider loading claw is set to be slidingly connected to the slide groove to ensure the stability of the positioning claw in moving on the loading workbench.

[0013] The present invention has the following advantages: the present invention arranges the array center of the first claw and the two groups of second claws to be coaxial with the center, which can ensure that when the first claw and the two groups of second claws are positioning bearing bodies of different sizes, the centers of bearing bodies of different sizes are always coaxial with the center, thereby meeting the requirement of stably clamping bearing bodies of different sizes for loading, improving the accuracy of positioning bearing bodies of different sizes by the positioning claws, and arranging the sliding rod, the electric slide and the sleeve rod to cooperate with each other so that the connecting rod can drive the positioning claws to synchronously contract or expand and move on the loading workbench, so that the first claw and the second claw always maintain a circular array, meeting the requirement of the positioning claws for positioning bearing bodies of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the top view of the structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the loading tooling platform in the present invention; Figure 3 It is a schematic cross-sectional side view of the structure of the present invention; Figure 4 For the present invention Figure 3 A magnified schematic diagram of the structure in the middle; In the figure, 1. loading workbench; 2. conveyor belt; 3. positioning claw; 301. first claw; 302. second claw; 4. slide groove; 5. base; 6. slide rod; 7. electric slide; 8. sleeve rod; 9. connecting rod; 10. pressure sensor; 11. feeding roller; 12. bearing body; 13. spacer block; 14. notch; 15. infrared detector; 16. limit block; 17. electric push rod; 18. alarm light; 19. displacement sensor; 20. slider; 20. loading claw. DETAILED DESCRIPTION In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0015] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features of the embodiments may be combined with each other.

[0017] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0018] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] like Figures 1 to 4As shown, an adjustable bearing positioning fixture includes a loading fixture table 1 and a conveyor belt 2, the feeding end of the loading fixture table 1 is connected to the discharging end of the conveyor belt 2, 21 is arranged above the loading fixture table 1, and a slidable positioning claw 3 is installed on the loading fixture table 1, and the positioning claw 3 includes a group of first claws 301 and two groups of second claws 302, the first claw 301 is located on the side of the loading fixture table 1 away from the conveyor belt 2, the first claw 301 and the two groups of second claws 302 are in a circular array, and the array center of the first claw 301 and the two groups of second claws 302 is coaxially arranged with the center of 21, by arranging the first claw 301 and the two groups of second claws 302 in a circular array and the first claw 301 is located on the side of the loading fixture table 1 away from the conveyor belt 2, It can ensure that the bearing body 12 on the conveyor belt 2 passes through the two groups of second claws 302 under the conveying action of the conveyor belt 2 to reach the positioning range between the first claw 301 and the two groups of second claws 302, so that the first claw 301 and the two groups of second claws 302 can position the bearing body 12. At the same time, the array center of the first claw 301 and the two groups of second claws 302 is set coaxially with the center of 21 to ensure that when the first claw 301 and the two groups of second claws 302 position bearing bodies 12 of different sizes, the center of the bearing bodies 12 of different sizes is always coaxial with the center of 21, so that 21 can stably clamp bearing bodies 12 of different sizes for loading, thereby improving the accuracy of the positioning claw 3 in positioning bearing bodies 12 of different sizes; The loading platform 1 is provided with a slide groove 4 corresponding to the positioning claw 3, a base 5 is installed under the loading platform 1, a slide bar 6 is installed between the loading platform 1 and the base 5, the array center of the first claw 301 and the second claw 302 is coaxially arranged with the slide bar 6, an electric slide 7 is installed on the slide bar 6, and a sleeve rod 8 is installed on the moving end of the electric slide 7 to be slidably connected with the slide bar 6, and three groups of connecting rods 9 are installed on the sleeve rod 8 to pass through the slide groove 4 and respectively connect with the positioning claw 3, and the two ends of the connecting rod 9 are respectively rotatably connected with the positioning claw 3 and the sleeve rod 8, and the slide bar 6, the electric slide 7 and the sleeve rod 8 are arranged to cooperate so that the connecting rod 9 can drive the positioning claw 3 to synchronously contract or expand on the loading platform 1, so that the first claw 301 and the second claw 302 always maintain a circular array, so that the positioning claw 3 can perform positioning operation on the bearing body 12 of different sizes. At the same time, the structure is simple, the stability is high, and it is easy to maintain and maintain; Pressure sensors 10 are installed on both the first clamping jaw 301 and the second clamping jaw 302, and the pressure sensors 10 are connected to the external PLC control end. By setting the pressure sensors 10 on the first clamping jaw 301 and the second clamping jaw 302, the pressure between the first clamping jaw 301 and the second clamping jaw 302 and the bearing body 12 can be detected during the positioning of the first clamping jaw 301 and the second clamping jaw 302. When the external PLC control end obtains that the pressure between the first clamping jaw 301 and the second clamping jaw 302 and the bearing body 12 is the same, it means that the first clamping jaw 301 and the second clamping jaw 302 have completed the positioning of the bearing body 12, and the positioning state of the bearing body 12 is stable. At this time, the external PLC control end controls the upper sleeve rod 8 of the electric slide 7 to stop moving, and at this time 21 can clamp and load the bearing body 12.

[0021] A displacement sensor 19 is installed on the sleeve rod 8, and the displacement sensor 19 is connected to the external PLC control end. By setting the displacement sensor 19, the displacement distance of the sleeve rod 8 on the slide rod 6 can be detected. At the same time, the external PLC control end can convert it into the displacement distance between the first claw 301 and the second claw 302, thereby calculating the diameter size of the positioning bearing body 12 on the loading workbench 1, thereby detecting the size of the bearing body 12 to avoid loading errors.

[0022] Spacer blocks 13 are arranged at equal distances on the conveyor belt 2, and a bearing body 12 is placed between two groups of spacer blocks 13. A slot 14 corresponding to the spacer blocks 13 is opened at the feed end of the loading tooling table 1. The spacer blocks 13 are arranged to separate different bearing bodies 12 to avoid contact between adjacent bearing bodies 12 resulting in quantity errors in the loading of the bearing bodies 12, thereby ensuring the stability of the feeding of the conveyor belt 2.

[0023] Two groups of limit blocks 16 are installed at the discharge end of the conveyor belt 2. The limit blocks 16 are inclined on the side close to the conveyor belt 2. Two groups of electric push rods 17 corresponding to the limit blocks 16 are installed on the conveyor belt 2. The telescopic ends of the electric push rods 17 are connected to the limit blocks 16. The two groups of limit blocks 16 can limit the bearing body 12 on the conveyor belt 2 to ensure the accuracy of the discharge displacement of the bearing body 12 and the smoothness of the feeding and unloading operation of the loading tooling platform 1 and the conveyor belt 2. The electric push rods 17 can adjust the distance between the limit blocks 16 to meet the different sizes of bearing bodies 12, thereby improving the applicability of the equipment.

[0024] The feeding end of the loading tooling table 1 is installed with an infrared detector 15 responsible for sensing and detecting the spacer block 13, which is connected to the external PLC control end. When the infrared detector 15 detects the spacer block 13, it means that the bearing body 12 has entered the loading tooling table 1. At this time, the infrared detector 15 sends a signal to the external PLC control end. At this time, the external PLC control end controls the upper sleeve rod 8 of the electric slide 7 to drive the positioning claw 3 to move to clamp the bearing body 12. At the same time, the external PLC control end controls the conveyor belt 2 to suspend moving and loading. When the external PLC control end obtains the same pressure between the first claw 301 and the second claw 302 and the bearing body 12 through the pressure sensor 10, it means that the first claw 301 and the second claw 302 have completed the positioning of the bearing body 12, and the positioning state of the bearing body 12 is stable. At this time, the external PLC control end controls the upper sleeve rod 8 of the electric slide 7 to stop moving. At this time, 21 can clamp and load the bearing body 12, thereby ensuring the smoothness of the tooling operation.

[0025] An alarm light 18 is installed on the loading tooling table 1, and the alarm light 18 is connected to the external PLC control end. The alarm light 18 can alarm when the external PLC control end detects that the size of the bearing body 12 is inconsistent with the set value or other faults occur, so that the staff can troubleshoot the faults as soon as possible.

[0026] A rotatable slot 14 is installed at the feed end of the loading platform 1, and the slot 14 is flush with the feed end of the loading platform 1 and the discharge end of the conveyor belt 2 respectively. The slot 14 has a certain conveying function, and the slot 14 is flush with the feed end of the loading platform 1 and the discharge end of the conveyor belt 2 respectively to ensure smooth and stable feeding of the loading platform 1.

[0027] A slider loading claw 20 is installed at the bottom of the positioning claw 3. The slider loading claw 20 is located in the slide groove 4, and the slider loading claw 20 is slidingly connected to the slide groove 4. The end of the connecting rod 9 away from the sleeve rod 8 is rotatably connected to the slider loading claw 20. The slider loading claw 20 is slidingly connected to the slide groove 4 to ensure the stability of the positioning claw 3 in moving on the loading workbench 1.

[0028] The working process of the present invention is as follows: when the tooling is used for loading, when the infrared detector 15 detects the spacer block 13, it means that the bearing body 12 has been placed on the loading tooling table 1. At this time, the infrared detector 15 sends a signal to the external PLC control end. At this time, the external PLC control end controls the sleeve rod 8 on the electric slide 7 to drive the positioning claw 3 to move to clamp the bearing body 12. At the same time, the external PLC control end controls the conveyor belt 2 to pause moving for loading. When the external PLC control end obtains the same pressure between the first claw 301 and the second claw 302 and the bearing body 12 through the pressure sensor 10, it means that the first claw 301 and the second claw 302 have completed the positioning of the bearing body 12, and the positioning state of the bearing body 12 is stable. At this time, the external PLC control end controls the sleeve rod 8 on the electric slide 7 to stop moving. At this time, 21 can clamp the bearing body 12 for loading.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable bearing positioning tool, comprising a loading tooling platform (1) and a conveyor belt (2), wherein the feeding end of the loading tooling platform (1) and the discharging end of the conveyor belt (2) are connected, and a (21) is arranged above the loading tooling platform (1), characterized in that: A slidable positioning claw (3) is installed on the loading platform (1), and the positioning claw (3) includes a group of first claws (301) and two groups of second claws (302), the first claw (301) is located on a side of the loading platform (1) away from the conveyor belt (2), the first claw (301) and the two groups of second claws (302) are arranged in a circular array, and the array center of the first claw (301) and the two groups of second claws (302) are coaxially arranged with the center of (21); The loading platform (1) is provided with a slide groove (4) corresponding to the positioning claw (3), a base (5) is installed below the loading platform (1), a slide rod (6) is installed between the loading platform (1) and the base (5), the array center of the first claw (301) and the second claw (302) is coaxially arranged with the slide rod (6), an electric slide (7) is installed on the slide rod (6), and a sleeve rod (8) slidably connected to the slide rod (6) is installed at the moving end of the electric slide (7), and three groups of connecting rods (9) passing through the slide groove (4) and respectively connected to the positioning claw (3) are installed on the sleeve rod (8), and the two ends of the connecting rod (9) are respectively rotatably connected to the positioning claw (3) and the sleeve rod (8); A pressure sensor (10) is installed on both the first clamping claw (301) and the second clamping claw (302), and the pressure sensor (10) is connected to an external PLC control terminal.

2. The adjustable bearing positioning tool according to claim 1, characterized in that: A displacement sensor (19) is installed on the sleeve rod (8), and the displacement sensor (19) is connected to an external PLC control terminal.

3. The adjustable bearing positioning tool according to claim 1, characterized in that: Spacer blocks (13) are arranged at equal distances on the conveyor belt (2), a bearing body (12) is placed between two groups of the spacer blocks (13), and a notch (14) corresponding to the spacer blocks (13) is provided at the feed end of the loading platform (1).

4. The adjustable bearing positioning tool according to claim 3, characterized in that: Two groups of limit blocks (16) are installed at the discharge end of the conveyor belt (2), and the limit blocks (16) are arranged at an angle on a side close to the conveyor belt (2). Two groups of electric push rods (17) corresponding to the limit blocks (16) are installed on the conveyor belt (2), and the telescopic ends of the electric push rods (17) are connected to the limit blocks (16).

5. An adjustable bearing positioning tool according to claim 3 or 4, characterized in that: The feeding end of the loading tooling platform (1) is equipped with an infrared detector (15) responsible for sensing and detecting the spacer block (13), which is connected to an external PLC control end.

6. An adjustable bearing positioning tool according to claim 1 or 2, characterized in that: An alarm light (18) is installed on the loading tooling platform (1), and the alarm light (18) is connected to an external PLC control terminal.

7. An adjustable bearing positioning tool according to any one of claims 1 to 6, characterized in that: The feeding end of the loading platform (1) is provided with a rotatable notch (14), and the notch (14) is respectively flush with the feeding end of the loading platform (1) and the discharging end of the conveyor belt (2).

8. The adjustable bearing positioning tool according to claim 1, characterized in that: A slider loading claw (20) is installed at the bottom of the positioning claw (3), the slider loading claw (20) is located in the slide groove (4), and the slider loading claw (20) is slidably connected to the slide groove (4), and one end of the connecting rod (9) away from the sleeve rod (8) is rotatably connected to the slider loading claw (20).

Images