Bearing inner ring character pressing equipment
By designing an automated bearing inner ring marking device, employing pneumatic actuators and a precise positioning structure, the problems of low efficiency and complex equipment in traditional marking methods have been solved, achieving high-precision and high-efficiency bearing inner ring marking, suitable for mass production.
Patent Information
- Application Number
- CN202520737679.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-18
AI Technical Summary
Traditional methods of marking the inner ring of bearings are inefficient and cannot achieve high-precision and efficient marking. Existing equipment is complex in structure, cumbersome to operate, and difficult to maintain, which limits its application in actual production.
A bearing inner ring lettering device was designed, which adopts pneumatic actuators and includes feeding, lettering and unloading devices. It uses a pneumatic-hydraulic booster cylinder and pressure sensor to realize automated lettering. The guide column and guide sleeve are combined to improve accuracy. The pressing head is composed of a letter head body, a letter mold positioning block and a tapered positioning sleeve. The conformal base and plate structure ensure stability and accurate positioning.
It achieves efficient and automated lettering on the inner ring of bearings, improving machining accuracy and production efficiency, reducing labor intensity and maintenance costs, and is suitable for mass production.
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Figure CN223850231U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rolling equipment, concretely relates to a bearing inner ring letter pressing equipment and belongs to mechanical automation technical field. BACKGROUND
[0002] Bearing is a commonly used part in mechanical equipment, and its main function is to support the rotating body of machinery, reduce the friction coefficient in the movement process, and ensure the rotation accuracy. In the processing of bearing inner ring, letter pressing is an important link. Letter pressing is usually used to mark relevant information on the bearing inner ring, such as model, production date, batch number, etc., so as to facilitate the traceability and management of products. The traditional letter pressing method adopts manual operation or simple mechanical device, which not only has low efficiency, but also is difficult to realize high-precision letter pressing effect. In addition, some existing letter pressing equipment has the problems of complex structure, complicated operation and difficult maintenance, which limits its application in actual production. With the development of manufacturing industry, the requirements for bearing inner ring letter rolling technology are also getting higher and higher, including higher processing precision, better marking effect and higher production efficiency. SUMMARY
[0003] The utility model improves the above-mentioned shortcomings in prior art, and further provides a bearing inner ring letter pressing equipment,
[0004] The special equipment designed and manufactured for mass and specialized production in bearing industry meets the needs of bearing inner ring letter pressing process.
[0005] The technical scheme adopted by the utility model is as follows:
[0006] A bearing inner ring letter pressing equipment sequentially comprises a feeding device, a letter pressing device and a discharging device from the feeding direction to the discharging direction, the letter pressing device comprises a letter pressing base, a lower pressing plate, a gas-liquid pressure cylinder, an upper pressing plate, four guide columns, four guide sleeves, a movable pressing plate, a pressing head and a pressure sensor, the lower pressing plate is fixedly installed on the letter pressing base, the gas-liquid pressure cylinder is fixedly installed on the upper pressing plate, the pressure sensor is connected with the gas-liquid pressure cylinder, the lower surface of the upper pressing plate is connected with the upper surface of the lower pressing plate through the four guide columns, the movable pressing plate is slidably sleeved on the guide column through the four guide sleeves and installed between the lower surface of the upper pressing plate and the upper surface of the lower pressing plate, and the pressing head is fixedly installed on the movable pressing plate.
[0007] Further, the pressure head comprises a character head body, a character matrix positioning block, a character matrix and a taper positioning sleeve, the character head body comprises a fixed section, a cylindrical section and a sector section from the moving pressing plate to the character pressing base in sequence, the cylindrical section is in the shape of a cylinder, the diameter of the cylinder is smaller than the diameter of the bearing inner ring, the sector section comprises four sectors, the four sectors are evenly distributed on the cylindrical section along the same circumference with the center of the cylindrical section as the center, the radius of the sector is smaller than the radius of the cylinder, the character matrix positioning block is installed between the two sectors, the character matrix is installed on the character matrix positioning block, and the taper positioning sleeve is installed on the sector section, and the radius of the taper positioning sleeve is smaller than the radius of the sector.
[0008] Further, the character pressing base is in the shape of a trapezoidal box, and the box has a downward inclination angle between the top surface and the horizontal plane.
[0009] Further, the shape of the lower pressing plate is adapted to the shape of the top surface of the character pressing base, and the downward inclination angle between the lower pressing plate and the horizontal plane is consistent with the top surface of the character pressing base.
[0010] Further, the upper pressing plate, the moving pressing plate and the lower pressing plate are in the shape of a rectangular parallelepiped and are arranged in parallel from top to bottom, the length and width of the upper pressing plate, the moving pressing plate and the lower pressing plate are the same, and the height decreases in sequence.
[0011] Further, the four guide columns are respectively installed at the inner side positions of the four right angles of the upper pressing plate, the moving pressing plate and the lower pressing plate.
[0012] Further, the feeding device comprises a feeding base frame, a feeding unpowered roller group, two feeding limiting baffle plates, a limiting cylinder seat and two limiting cylinders, the feeding unpowered roller group is fixedly installed on the feeding base frame, the two feeding limiting baffle plates are respectively installed on the two sides of the feeding unpowered roller group, the limiting cylinder seat is installed at the end of the feeding unpowered roller group in the feeding direction, and the two limiting cylinders are installed in parallel on the limiting cylinder seat in the feeding direction.
[0013] Further, the feeding unpowered roller group has a downward inclination angle between the feeding direction and the horizontal plane.
[0014] Further, the discharging device comprises a discharging base frame, a discharging unpowered roller group, two discharging limiting baffle plates and a limiting top plate, the discharging unpowered roller group is fixedly installed on the discharging base frame, the two discharging limiting baffle plates are respectively installed on the two sides of the discharging unpowered roller group, and the limiting top plate is fixedly installed at the end outlet of the discharging unpowered roller group.
[0015] Further, the unpowered roller group of the blanking device comprises an inclined section and a horizontal section, the inclined section and the horizontal section are connected in sequence along the blanking direction, and the inclined section has a downward inclined angle between the horizontal plane along the blanking direction.
[0016] The utility model discloses beneficial effect is:
[0017] The utility model discloses each action all adopts pneumatic execution element, and operation is simple, and manufacturing and use maintenance cost are low. It is convenient for the improvement upgrading of machine tool, realizes automatic workpiece, improves assembly precision and work efficiency, and automation degree is high, and labor intensity reduces. Can mass processing parts, and it is quick and efficient, and production efficiency is high. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structural schematic diagram of one embodiment of the bearing inner ring pressure word equipment of the utility model;
[0019] Figure 2 It is the top view of Figure 1 ;
[0020] Figure 3 It is the left view of Figure 1 ;
[0021] Figure 4 It is the structural schematic diagram of one embodiment of the utility model's pressure head. DETAILED DESCRIPTION
[0022] In the description of the utility model, it is necessary to explain that all directional indications (for example, upper, lower, etc.) are based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation of the utility model.
[0023] Specific embodiment one: combine Figures 1-4 Explain this embodiment, such as Figures 1-3As shown, the bearing inner ring letter pressing equipment comprises, from the feeding direction to the discharging direction, a feeding device 1, a letter pressing device 2 and a discharging device 3 in sequence, the feeding device 1 and the discharging device 3 are used for completing automatic feeding and automatic discharging of the bearing workpiece, and the letter pressing device 2 is used for pressing letters on the bearing workpiece. Preferably, the feeding device 1, the letter pressing device 2 and the discharging device 3 are provided with load-bearing feet to enhance the stability of the overall device. The letter pressing device 2 comprises a letter pressing base 21, a lower pressing plate 22, a gas-liquid booster cylinder 23, an upper pressing plate 24, four guide columns 25, four guide sleeves 26, a movable pressing plate 27, a pressing head 28 and a pressure sensor, the lower pressing plate 22 is fixedly installed on the letter pressing base 21, the gas-liquid booster cylinder 23 is fixedly installed on the upper pressing plate 24, the pressure sensor is connected with the gas-liquid booster cylinder 23, the lower surface of the upper pressing plate 24 is connected with the upper surface of the lower pressing plate 22 through the four guide columns 25, the movable pressing plate 27 is slidably sleeved on the guide columns 25 through the four guide sleeves 26 and is installed between the lower surface of the upper pressing plate 24 and the upper surface of the lower pressing plate 22, and the pressing head 28 is fixedly installed on the movable pressing plate 27. After the bearing workpiece moves to the letter pressing position, the gas-liquid booster cylinder 23 starts to work to push the movable pressing plate 27 downward, and after the pressing head 28 contacts the bearing workpiece, the pressure gradually rises, the pressure sensor sets a certain pressure value, and after the pressure reaches the pressure value, the gas-liquid booster cylinder 23 starts to rise to complete the letter pressing. Preferably, the letter pressing base 21 is a trapezoidal box, and the top surface of the box has a downward inclination angle with the horizontal plane. Preferably, the inclination angle is 2°-30°, the shape of the lower pressing plate 22 is adapted to the shape of the top surface of the letter pressing base 21, and the downward inclination angle between the lower pressing plate 22 and the horizontal plane is consistent with the top surface of the letter pressing base 21. The bearing workpiece is facilitated to move by using the slope. The letter pressing base 21 is connected with an operation system to facilitate the control of the overall letter pressing device 2. The upper pressing plate 24, the movable pressing plate 27 and the lower pressing plate 22 are cuboids and are arranged in parallel from top to bottom in sequence, the length and width of the upper pressing plate 24, the movable pressing plate 27 and the lower pressing plate 22 are the same, and the heights are sequentially decreased. The four guide columns 25 are respectively installed at the four inner straight corner positions of the upper pressing plate 24, the movable pressing plate 27 and the lower pressing plate 22. The machining precision is increased, and the bearing workpiece has better marking effect.
[0024] As Figure 4As shown, the pressure head 28 includes a character head body, a character die positioning block, a character die and a taper positioning sleeve. The character head body includes a fixed section, a cylindrical section and a sector section in sequence from the moving pressing plate 27 to the character pressing base 21. The fixed section is used for fixed connection with the moving pressing plate 27. The cylindrical section is in the shape of a cylinder, and the diameter of the cylinder is smaller than the diameter of the inner ring of the bearing. The sector section includes four sectors which are uniformly distributed on the cylindrical section along the same circumference with the center of the cylindrical section as the center. The radius of the sector is smaller than the radius of the cylinder, facilitating positioning on the inner ring of the bearing workpiece when the character die is pressed on the inner ring of the bearing workpiece. The character die positioning block is installed between the two sectors, and the character die is installed on the character die positioning block. The character die is composed of at least one single unit character die of a single digit or letter, and is detachably installed on the character die positioning block. The corresponding character die can be adjusted and replaced as needed. The taper positioning sleeve is installed on the sector section, and the radius of the taper positioning sleeve is smaller than the radius of the sector. Precise positioning is achieved.
[0025] The feeding device 1 includes a feeding base frame 11, a feeding unpowered roller group 12, two feeding limiting baffle plates 13, a limiting cylinder seat 14 and two limiting cylinders 15. The feeding unpowered roller group 12 is fixedly installed on the feeding base frame 11, and has a downward inclination angle between the feeding direction and the horizontal plane. Preferably, the inclination angle is 1°-30°. When the bearing workpiece moves to the feeding device 1, the unpowered roller moves downward. The two feeding limiting baffle plates 13 are respectively installed on the two sides of the feeding unpowered roller group 12, so as to limit the feeding track of the bearing workpiece. The limiting cylinder seat 14 is installed at the end of the feeding unpowered roller group 12 along the feeding direction, and the two limiting cylinders 15 are installed side by side and in parallel on the limiting cylinder seat 14 along the feeding direction. Limiting is performed by the inner limiting cylinder 15. When the inner limiting cylinder 15 is lifted, the bearing workpiece will automatically move to the outer limiting cylinder 15 for limiting. At this time, the inner limiting cylinder 15 starts to shield and limit downward, so as to realize automatic feeding.
[0026] The discharging device 3 comprises a discharging base frame 31, a discharging unpowered roller group 32, two discharging limiting baffle plates 33 and a limiting top plate 34, the discharging unpowered roller group 32 is fixedly installed on the discharging base frame 31, preferably, the discharging unpowered roller group 32 comprises an inclined section and a horizontal section, the inclined section and the horizontal section are sequentially connected along a discharging direction, the inclined section has a downward inclined angle between the horizontal plane along the discharging direction, and the inclined angle is 1°-30°. The two discharging limiting baffle plates 33 are respectively installed on the two sides of the discharging unpowered roller group 32, so as to limit the feeding track of the bearing workpiece. The limiting top plate 34 is fixedly installed at the end outlet of the discharging unpowered roller group 32, so as to prevent the bearing workpiece from falling. The discharging device 3 is an unpowered roller conveying device, mainly utilizing the angle difference, the workpiece is freely moved downward under the action of the roller.
[0027] Working principle:
[0028] After the bearing workpiece moves to the letter pressing position of the letter pressing device through the feeding device by using the slope, the gas-liquid pressure cylinder starts to work to push the moving pressing plate downward, after the pressing head contacts the bearing workpiece, the pressure gradually rises, the pressure sensor sets a certain pressure value, after the pressure reaches, the gas-liquid pressure cylinder starts to rise, the letter pressing is completed, after the letter pressing is completed, the bearing workpiece moves to the discharging device by using the slope, and the discharging is completed.
[0029] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution range of the present application, and the equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent replacement and improvement of the above embodiments, which does not depart from the technical solution content of the present application, according to the technical essence of the present application, within the spirit and principles of the present application, all still belong to the protection range of the technical solution of the present application.
Claims
1. A bearing inner race lettering apparatus characterized by: From the feeding direction to the discharging direction, it includes feeding device (1), letter pressing device (2) and discharging device (3) in turn, the letter pressing device (2) includes letter pressing base (21), lower pressing plate (22), gas-liquid supercharged cylinder (23), upper pressing plate (24), four guide columns (25), four guide sleeves (26), movable pressing plate (27), pressing head (28) and pressure sensor, the lower pressing plate (22) is fixedly installed on the letter pressing base (21), the gas-liquid supercharged cylinder (23) is fixedly installed on the upper pressing plate (24), the pressure sensor is connected with the gas-liquid supercharged cylinder (23), the lower surface of the upper pressing plate (24) is connected with the upper surface of the lower pressing plate (22) through the four guide columns (25), the movable pressing plate (27) is slidably sleeved on the guide column (25) and is installed between the lower surface of the upper pressing plate (24) and the upper surface of the lower pressing plate (22) through the four guide sleeves (26), and the pressing head (28) is fixedly installed on the movable pressing plate (27).
2. A bearing inner ring lettering apparatus according to claim 1, wherein: The pressing head (28) includes a letter head body, a letter die positioning block, a letter die and a taper positioning sleeve, the letter head body includes a fixed section, a cylindrical section and a sector section from the movable pressing plate (27) to the letter pressing base (21) in turn, the cylindrical section is in the shape of a cylinder, the diameter of the cylinder is smaller than the diameter of the bearing inner ring, the sector section includes four sectors, the four sectors are uniformly distributed on the cylindrical section along the same circumference with the center of the cylindrical section as the center, the radius of the sector is smaller than the radius of the cylinder, the letter die positioning block is installed between the two sectors, the letter die is installed on the letter die positioning block, and the taper positioning sleeve is installed on the sector section, and the radius of the taper positioning sleeve is smaller than the radius of the sector.
3. A bearing inner race lettering apparatus as set forth in claim 2 wherein: The letter pressing base (21) is in the shape of a trapezoidal box, and the box has a downward inclination angle between the top surface and the horizontal plane.
4. A bearing inner race lettering apparatus as set forth in claim 3 wherein: The shape of the lower pressing plate (22) is adapted to the shape of the top surface of the letter pressing base (21), and the downward inclination angle between the lower pressing plate (22) and the horizontal plane is consistent with the top surface of the letter pressing base (21).
5. A bearing inner race lettering apparatus as set forth in claim 4 wherein: The upper pressing plate (24), the movable pressing plate (27) and the lower pressing plate (22) are sequentially arranged in parallel from top to bottom, and the length and width of the upper pressing plate (24), the movable pressing plate (27) and the lower pressing plate (22) are the same, and the height decreases in turn.
6. A bearing inner race lettering apparatus as set forth in claim 5 wherein: The four guide columns (25) are respectively installed at the four inner corner positions of the upper pressing plate (24), the movable pressing plate (27) and the lower pressing plate (22).
7. The apparatus of claim 1 wherein: The feeding device (1) comprises a feeding base frame (11), a feeding unpowered roller group (12), two feeding limiting baffle plates (13), a limiting cylinder seat (14) and two limiting cylinders (15), the feeding unpowered roller group (12) is fixedly installed on the feeding base frame (11), the two feeding limiting baffle plates (13) are respectively installed on the two sides of the feeding unpowered roller group (12), the limiting cylinder seat (14) is installed at the end of the feeding unpowered roller group (12) along the feeding direction, and the two limiting cylinders (15) are installed side by side and in parallel on the limiting cylinder seat (14) along the feeding direction.
8. A bearing inner race lettering apparatus as set forth in claim 7 wherein: The feeding unpowered roller group (12) has a downward inclination angle between the feeding direction and the horizontal plane.
9. The apparatus of claim 1 wherein: The discharging device (3) comprises a discharging base frame (31), a discharging unpowered roller group (32), two discharging limiting baffle plates (33) and a limiting top plate (34), the discharging unpowered roller group (32) is fixedly installed on the discharging base frame (31), the two discharging limiting baffle plates (33) are respectively installed on the two sides of the discharging unpowered roller group (32), and the limiting top plate (34) is fixedly installed at the end outlet of the discharging unpowered roller group (32).
10. A bearing inner race lettering apparatus as set forth in claim 9 wherein: The discharging unpowered roller group (32) comprises an inclined section and a horizontal section, the inclined section and the horizontal section are connected in sequence along the discharging direction, and the inclined section has a downward inclination angle between the discharging direction and the horizontal plane.