Constant-temperature bearing ring non-contact size measuring equipment
By designing a non-contact dimensional measurement device for constant temperature bearing rings, and utilizing a pre-cooling chamber and a refrigeration module to control the temperature of the workpiece, the problem of the influence of ambient temperature changes on measurement accuracy was solved, and higher measurement accuracy was achieved.
Patent Information
- Application Number
- CN202423282355.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing bearing ring size measuring equipment cannot guarantee a constant ambient temperature during measurement, resulting in low measurement accuracy.
A non-contact dimensional measurement device for constant temperature bearing rings, comprising a pre-cooling chamber and a measuring chamber, was designed. The device utilizes a refrigeration module to pre-cool the workpiece and control the temperature during measurement, and combines optical measuring equipment for non-contact measurement.
By using a pre-cooling chamber, the temperature of the workpiece is ensured to meet the requirements during measurement, which improves measurement accuracy and reduces errors caused by changes in ambient temperature.
Smart Images

Figure CN223596796U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing production test technical field, concretely relates to a constant temperature bearing ring non -contact type size measuring equipment. BACKGROUND
[0002] Bearing is a kind of high-precision support component applied in rotary machine, and bearing ring is an important component part of bearing, and the dimensional accuracy of bearing ring has extremely high requirement.High-precision bearing tolerance band is smaller, and the error caused by thermal expansion and contraction of ambient temperature during measurement often causes misjudgment of whether ring is qualified, and further causes product quality problem or waste.
[0003] The existing bearing ring size measuring equipment cannot guarantee that the ambient temperature is constant during measurement, which affects the measurement accuracy. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem: how to design relative to a constant temperature bearing ring non -contact type size measuring equipment, improve measurement accuracy.
[0005] The technical scheme of the utility model is specifically as follows:
[0006] A constant temperature bearing ring non -contact type size measuring equipment, characterized by: including the precooling box and the measuring box connected together, the wall shared by the precooling box and the measuring box is provided with a material port, the opposite wall of the precooling box is provided with a feeding port, and the opposite wall of the measuring box is provided with a discharging port;It includes a conveyor belt, the conveyor belt passes through the feeding port, the material port and the discharging port in turn;The precooling box is fixed with refrigeration module A capable of cooling it;The measuring box is fixed with refrigeration module B capable of cooling it;The inside of the measuring box is fixed with an optical measuring equipment.
[0007] The measuring box is provided with a rotating platform and a first linear actuator and a second linear actuator, the upper surface of the rotating platform is flush with the upper surface of the conveyor belt, and the first linear actuator and the second linear actuator are respectively located on the two sides of the rotating platform.
[0008] The feeding port, the material port and the discharging port are respectively provided with sealing doors A, B and C, the three sealing doors are hinged to the top of the feeding port, the material port and the discharging port through hinges A, B and C respectively, and the lower end of the three sealing doors is in clearance fit with the upper surface of the conveyor belt.
[0009] The top center area of the precooling box is fixed with refrigeration module A;The top center area of the measuring box is fixed with refrigeration module B.
[0010] The first linear actuator and the second linear actuator are respectively fixed on the front wall and the back wall of the measuring box, and the axes of the two coincide.
[0011] Compared with the prior art, the utility model discloses a precooling box body can make workpiece advance cooling, guarantee the temperature of workpiece measurement to meet the requirement, improve the measurement precision. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is the schematic diagram of the utility model.
[0013] Fig. 2 It is the internal schematic diagram of the utility model.
[0014] Fig. 3 It is the rear schematic diagram of the measurement box body. CONCRETE IMPLEMENTING METHOD
[0015] The utility model is introduced in detail below in combination with the drawings and its concrete implementing method.
[0016] As Figs. 1-3 A constant temperature bearing ring non-contact type size measuring equipment, including precooling box body 11 and measurement box body 1 connected together, precooling box body 11 and measurement box body 1 shared wall body is equipped with material port 7, precooling box body 11's opposite wall body is equipped with feeding port 15, and measurement box body 1's opposite wall body is equipped with discharge port 18.
[0017] It includes conveying belt 13, and conveying belt 13 passes through feeding port 15, material port 7, discharge port 18 in proper order.
[0018] Precooling box body 11 is fixed with the refrigeration module A10 that can cool it, and measurement box body 1 is fixed with the refrigeration module B6 that can cool it.
[0019] Measurement box body 1 is equipped with rotary platform 2 and first linear actuator 3, second linear actuator 4, and the upper surface of rotary platform 2 is flush with the upper surface of conveying belt 13, and first linear actuator 3 and second linear actuator 4 are located at the two sides of rotary platform 2 respectively.
[0020] The inside of measurement box body 1 is fixed with optical measuring equipment 5.
[0021] In order to prevent heat exchange, feeding port 15, material port 7, discharge port 18 are respectively equipped with sealing door A12, sealing door B8, sealing door C17, and the three sealing doors are hinged in the top of feeding port 15, material port 7, discharge port 18 through hinge A14, hinge B9, hinge C16, and the lower end of the three sealing doors is gap matched with the upper surface of conveying belt 13.
[0022] In order to make the temperature in the box uniform, the top center area of precooling box body 11 is fixed with refrigeration module A10, and the top center area of measurement box body 1 is fixed with refrigeration module B6.
[0023] In order to push the stability, the first linear actuator 3 and the second linear actuator 4 are respectively fixed on the front wall and the rear wall of the measuring box body 1, and the axes of the two coincide.
[0024] The working principle is as follows:
[0025] The method comprises the following steps:
[0026] S10, preparation: control the refrigeration temperature of the refrigeration module A10 and the refrigeration module B6 to be the same value, so that the temperature of the pre-cooling box body 11 and the temperature of the measuring box body 1 reach the target temperature when the workpiece is measured; the sealing door A12, the sealing door B8 and the sealing door C17 are naturally lowered by gravity, and the sealing of the pre-cooling box body 11 and the measuring box body 1 is completed.
[0027] S20, entering: the workpiece (that is, the bearing ring to be measured) is placed on the conveying belt 13, the conveying belt 13 is started, and the workpiece is driven into the pre-cooling box body 11, when the workpiece touches the sealing door A12, the sealing door A12 is turned inward, after the workpiece enters the pre-cooling box body 11, the sealing door A12 continues to naturally fall, and the sealing of the pre-cooling box body 11 is maintained.
[0028] S30, pre-cooling: after the workpiece enters the pre-cooling box body 11, the temperature of the workpiece begins to drop for pre-cooling.
[0029] S40, secondary entering: the conveying belt 13 is started, and the workpiece is driven into the measuring box body 1, when the workpiece touches the sealing door B8, the sealing door B8 is turned inward, after the workpiece enters the measuring box body 1, the sealing door B8 continues to naturally fall, and the sealing of the measuring box body 1 is maintained.
[0030] S50, shifting: the second linear actuator 4 is started, and the workpiece is shifted from the conveying belt 13 to the rotating platform 2.
[0031] S60, measuring: the rotating platform 2 rotates, and drives the workpiece to rotate, when the workpiece rotates, the optical measuring device is started, the rotating platform 2 rotates with the workpiece, the optical measuring device 5 measures a value every specified degree, until the rotating platform 2 rotates a specified number of times, and the optical measuring device 5 completes the measurement of the workpiece.
[0032] S70, resetting: the first linear actuator 3 is started, and the workpiece is shifted from the rotating platform 2 to the conveying belt 13.
[0033] S80, leaving: the conveying belt 13 is started, and the workpiece is driven to leave the measuring box body 1, when the workpiece touches the sealing door C17, the sealing door C17 is turned outward, after the workpiece leaves the measuring box body 1, the sealing door C17 continues to naturally fall, and the sealing of the measuring box body 1 is maintained.
[0034] The characteristics of the application are as follows:
[0035] S1, the pre-cooling box body, the measuring box body, the sealing door A, the sealing door B, the sealing door C are selected with heat insulation materials, effectively avoid that the measuring environment temperature is disturbed greatly;The refrigeration module A, the refrigeration module B control the environment temperature in real time, guarantee the pre-cooling box body, guarantee the temperature in the measuring box body constant.
[0036] S2, the utility model discloses a pre-cooling box body can make workpiece advance cooling, guarantee the temperature of workpiece measurement to meet the requirements, improve the measuring accuracy.
[0037] Other contents refer to prior art.
[0038] The above only is the preferred embodiment of the utility model, it should be pointed out, for the person skilled in the art without departing from the overall concept of the utility model under the prerequisite, can also make a number of changes and improvements, these should also be considered the protection scope of the utility model.
Claims
1. A non-contact dimensional measurement apparatus for constant temperature bearing races, characterized by: It comprises a pre-cooling box (11) and a measuring box (1) connected together, a material port (7) is arranged on the wall shared by the pre-cooling box (11) and the measuring box (1), a feeding port (15) is arranged on the opposite wall of the pre-cooling box (11), and a discharging port (18) is arranged on the opposite wall of the measuring box (1); It comprises a conveying belt (13) sequentially passing through the feeding port (15), the material port (7) and the discharging port (18); A refrigeration module A (10) capable of cooling the pre-cooling box (11) is fixed on the pre-cooling box (11); and a refrigeration module B (6) capable of cooling the measuring box (1) is fixed on the measuring box (1). An optical measuring device (5) is fixed in the measuring box (1).
2. The constant temperature bearing race non-contact dimensional measurement apparatus of claim 1, wherein: A rotating platform (2), a first linear actuator (3) and a second linear actuator (4) are arranged on the measuring box (1), the upper surface of the rotating platform (2) is flush with the upper surface of the conveying belt (13), and the first linear actuator (3) and the second linear actuator (4) are respectively arranged on the two sides of the rotating platform (2).
3. The constant temperature bearing cone non-contact dimensional measurement apparatus of claim 2, wherein: A sealing door A (12), a sealing door B (8) and a sealing door C (17) are respectively arranged on the feeding port (15), the material port (7) and the discharging port (18), the three sealing doors are hingedly connected to the top of the feeding port (15), the material port (7) and the discharging port (18) through a hinge A (14), a hinge B (9) and a hinge C (16), and the lower end of the three sealing doors is in gap cooperation with the upper surface of the conveying belt (13).
4. The constant temperature bearing cone non-contact dimensional measurement apparatus of claim 3, wherein: The refrigeration module A (10) is fixed on the top center of the pre-cooling box (11); and the refrigeration module B (6) is fixed on the top center of the measuring box (1).
5. The non-contact dimensional measurement apparatus for constant temperature bearing races of claim 4, wherein: The first linear actuator (3) and the second linear actuator (4) are respectively fixed on the front wall and the rear wall of the measuring box (1), and the axes of the two are coincident.