Position degree detection device for water pump
The water pump testing device, which integrates a spring detection pin and a flip-pull mechanism, solves the problems of long testing time and large positioning error, and achieves efficient and accurate multi-hole position testing, which is suitable for mass production of automotive water pumps on assembly lines.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-04-10
AI Technical Summary
Existing water pump testing devices require manual testing of each hole, which is too time-consuming and cannot meet the production capacity requirements of the production line. In addition, the positioning error is large, resulting in a high product defect rate.
A position detection device integrating 11 sets of spring detection pins was designed. Combining a flipping mechanism and a push-pull mechanism, it can achieve rapid positioning at multiple angles and clamping at multiple holes at one time. Through the cooperation of the detection support plate, the reference detection structure and the clamp, accurate positioning and rapid detection are ensured.
This reduced the water pump testing time from 5 minutes to 1.5 minutes, increased efficiency by 80%, improved positioning accuracy to 0.02mm, and reduced the product qualification rate from 12% to below 2%, while also reducing equipment investment costs and the number of inspection tools required.
Smart Images

Figure CN224108740U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile parts detection, specifically, the utility model relates to a position degree detection device for water pump. BACKGROUND
[0002] Water pump is mainly installed in the car, specifically in the cylinder body of the automobile engine, there are multiple water channels for circulating cooling water, and the radiator placed in the front part of the automobile is connected through the water pipe to form a large water circulation system, and a water pump is installed at the upper water outlet of the engine, which is driven by the fan belt to pump out the hot water in the engine cylinder water channel and pump in the cold water.
[0003] The existing detection device needs to be detected manually hole by hole, such as the water inlet hole, the mounting hole and the shaft hole of the water pump, which need to be adjusted and detected multiple times, and the single detection time is more than 5 minutes, which is difficult to meet the flow line production capacity demand. UTILITY MODEL CONTENTS
[0004] The utility model provides a position degree detection device for water pump, which solves the problems in the above background technology.
[0005] In order to realize the above purpose, the technical scheme adopted by the utility model is as follows: a position degree detection device for water pump, comprising a base, further comprising:
[0006] A detection support plate is installed at the center of the top of the base;
[0007] A turnover mechanism is installed at the top of the base and located at the left side of the detection support plate;
[0008] A detection mechanism is installed at the top of the base and arranged in close contact with the turnover mechanism;
[0009] A push-pull mechanism is installed at the top of the base and located at the rear side of the detection support plate;
[0010] A first reference detection structure is installed at the top of the base and located at the front side of the detection support plate;
[0011] A second reference detection structure is installed at the top of the base and located at the right side of the first reference detection structure;
[0012] A clamp A is installed at the top of the base and located at the right side of the detection support plate;
[0013] A clamp B is installed at the top of the base and located at the rear side of the turnover mechanism.
[0014] Preferably, the detection support plate is respectively provided with a positioning pin B, a positioning pin C, a detection pin J1, a detection pin J2 and a detection pin J3.
[0015] Preferably, the turnover mechanism comprises a base block fixedly installed on the base, a turnover plate rotationally connected with the base block, and spring detection pins J6 and J7 penetrating through the front end of the turnover plate.
[0016] Preferably, the detection mechanism comprises a first mounting block fixedly installed on the base and a spring detection pin J8 penetrating through the first mounting block.
[0017] Preferably, the push-pull mechanism comprises a base installed on the base, a push rod penetrating through the base, a circular block installed at the front end of the push rod, and a fixed pin penetrating through the top of the base.
[0018] Preferably, the push rod is provided with a hole matched with the fixed pin, and the fixed pin is sequentially provided with spring detection pins J9, J10 and J11 in the circumferential direction.
[0019] Preferably, the first reference detection structure comprises a first mounting seat fixedly installed on the base, and the first mounting seat is provided with a detection pin J4.
[0020] Preferably, the second reference detection structure comprises a second mounting seat fixedly installed on the base, and the first mounting seat is provided with a detection pin J5.
[0021] Preferably, the base is respectively provided with reference keys I, II and III at the corners, and is provided with handles at the two sides in a staggered manner, and is provided with a stop rule through buckling.
[0022] The beneficial effects of the above technical solutions are:
[0023] Firstly, the device integrates 11 spring detection pins (J1-J11), covers multiple direction holes on the top surface, side surface and rear end of the water pump, and can complete all position degree detection at one time, so that the single workpiece detection time is shortened to 1.5 minutes, the efficiency is improved by 80% compared with the traditional method, and the device is especially suitable for flow line batch detection scene, can reduce 3-5 traditional gauges, and reduces the equipment investment cost.
[0024] Secondly, through the design of the turnover mechanism and the push-pull mechanism, the multi-angle rapid positioning of the water pump is realized, the compatibility rate is improved from 50% of the traditional gauge to 90%, and the cost of replacing the gauge due to the change of the vehicle model is reduced.
[0025] III, the repeated positioning accuracy is less than or equal to 0.02mm, the detection demand of high-precision parts such as pumps is met, the error of ±0.12mm caused by manual alignment is avoided, the unqualified rate is reduced from 12% to below 2%, and the qualified rate of products is improved. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is a schematic diagram of a three-dimensional structure provided by the utility model;
[0027] Figure 2 is a schematic diagram of a three-dimensional structure provided by the utility model from another perspective;
[0028] Figure 3 is a schematic diagram of a three-dimensional structure of a push-pull mechanism;
[0029] Figure 4 is a schematic diagram of a structure of the utility model from a top view;
[0030] Figure 5 is a schematic diagram of a structure of the utility model from a side view;
[0031] Among them:
[0032] 1, base; 2, detection support plate; 3, turnover mechanism; 31, base block; 32, turnover plate; 4, detection mechanism; 5, push-pull mechanism; 51, base; 52, push rod; 53, round block; 54, fixed bolt; 6, first reference detection structure; 7, second reference detection structure; 8, clamp A; 9, clamp B; 10, handle; 11, stop gauge. DETAILED DESCRIPTION
[0033] The specific embodiments of the utility model are further described in detail below by comparing with the drawings and through the description of the embodiments, the purpose is to help the technical personnel in the art to have more complete, accurate and in-depth understanding of the conception and technical scheme of the utility model, and to help them to implement.
[0034] Specifically, as Figures 1 to 5As shown, a position detection device for a water pump includes a base 1, further comprising: a detection support plate 2 installed at the center of the top of the base 1; a turnover mechanism 3 installed on the top of the base 1 and located on the left side of the detection support plate 2; a detection mechanism 4 installed on the top of the base 1 and arranged in conjunction with the turnover mechanism 3; a push-pull mechanism 5 installed on the top of the base 1 and located on the rear side of the detection support plate 2; a first reference detection structure 6 installed on the top of the base 1 and located on the front side of the detection support plate 2; a second reference detection structure 7 installed on the top of the base 1 and located on the right side of the first reference detection structure 6; a clamp A 8 installed on the top of the base 1 and located on the right side of the detection support plate 2; and a clamp B 9 installed on the top of the base 1 and located on the rear side of the turnover mechanism 3.
[0035] It should be noted that the device is designed for multi-station cooperative detection and rapid positioning, solving the problems of low detection efficiency and large positioning error of existing water pump detection, and is suitable for high-precision batch detection of multiple positions of automobile water pump.
[0036] In detail, during detection, the product is only placed on the detection support plate 2, and then detected by the first reference detection structure 6 and the second reference detection structure 7, and then detected by the turnover mechanism 3, the detection mechanism 4 and the push-pull mechanism 5 in turn.
[0037] The detection support plate 2 is respectively provided with a positioning pin B, a positioning pin C, a detection pin J1, a detection pin J2 and a detection pin J3.
[0038] It should be noted that the water pump bottom surface is attached to the A plane of the detection support plate 2, the positioning pins B and C are inserted into the workpiece positioning hole by pushing the water pump, and after confirming that there is no shaking, the clamps A8 and B9 are operated in turn, and the workpiece is pressed tightly on the support plate by the lever mechanism; when placing, if the detection pins J1-J5 and J12+J13 can be inserted into the reference BC pin at the same time, it is qualified and the next detection can be performed, if it cannot be inserted, it is unqualified.
[0039] In addition, the clamps A8 and B9 cooperate with the detection support plate 2, the positioning pins B and C, and the base 1 to apply force to the product from multiple directions, firmly fixing the product on the gauge, ensuring that the product always maintains a stable position during subsequent detection, avoiding the influence of displacement and other factors on the accuracy of the detection result, and laying a solid foundation for accurate detection of key position parameters such as water pump flange end face, shaft hole and bolt hole.
[0040] The turnover mechanism 3 comprises a base block 31 fixedly installed on the base 1, a turnover plate 32 rotationally connected with the base block 31, and spring detection pins J6 and J7 penetrating through the front end of the turnover plate 32.
[0041] It should be noted that the turnover plate 32 can be positioned and turned over by 0-90°, when the turnover plate is at 0°, the spring detection pins J6 and J7 are aligned with the side hole position of the water pump; after being rotated by 90°, the top hole position can be detected, without manual turning over of the workpiece, and one-stop detection of multi-angle hole positions is realized.
[0042] Further, when the side hole position is detected, the turnover mechanism 3 is kept at the initial position of 0°, and whether the spring detection pins J6 and J7 are completely inserted into the side hole position of the water pump is observed: if the exposed length of the detection pin is ≤1.5mm and there is no resistance, it is determined that the side hole position degree is qualified.
[0043] When the top hole position is detected, the turnover plate 32 is manually rotated to 90° vertical state, the push rod 52 of the push-pull mechanism 5 is pushed to the first gear position, the fixed pin 54 is clamped into the first group of insertion holes, at this time the spring detection pin J8 is inserted into the center hole of the top of the water pump, and the determination standard is the same as above.
[0044] When the rear end hole position is detected, the push rod 52 is continuously pushed to the second gear position, the fixed pin is clamped into the second group of insertion holes, the spring detection pins J9, J10 and J11 are synchronously inserted into the three hole positions at the rear end, the state of the detection pin is observed, and the synchronous determination of multi-hole positions is completed.
[0045] The detection mechanism 4 comprises a first installation block fixedly installed on the base 1 and a spring detection pin J8 penetrating through the first installation block.
[0046] It should be noted that after the detection of the spring detection pins J6 and J7 is completed, the spring detection pin J8 is inserted for detection, and if it can be inserted, it is qualified, otherwise it is unqualified.
[0047] The push-pull mechanism 5 comprises a base 51 installed on the base 1, a push rod 52 penetrating through the base 51, a circular block 53 installed at the front end of the push rod 52, and a fixed pin 54 provided on the top of the base 51 and penetrating through the base 51.
[0048] It should be noted that when the push rod 52 is pushed to the required position, the fixed pin 54 is pressed to lock the push rod 52, and then the spring detection pins J9-J11 are pushed in, and if they can be inserted, they are qualified, otherwise they are unqualified.
[0049] The push rod 52 is provided with insertion holes matched with the fixed pin 54, and the fixed pin 54 is sequentially provided with the spring detection pins J9, J10 and J11 in the circumferential direction.
[0050] Need to explain, push rod 52 stroke 50mm, push J9-J11 along the radial synchronous movement; fixed bolt 54 inserted into different holes can adapt to 40-60mm aperture range.
[0051] The first reference detection structure 6 comprises a first mounting seat fixedly mounted on the base 1, and a detection pin J4 is inserted into the first mounting seat.
[0052] The second reference detection structure 7 comprises a second mounting seat fixedly mounted on the base 1, and a detection pin J5 is inserted into the first mounting seat.
[0053] Need to explain, detection pin J4, detection pin J5 cooperate with positioning pin B, positioning pin C, detection pin J1, detection pin J2 and detection pin J3, as the first step detection, that is, if J1-J5 detection pin can be inserted into the reference BC pin at the same time, it is qualified, and the next step detection can be carried out, if it can't be inserted, it is unqualified.
[0054] The base 1 is provided with reference keys I, II and III at the corners, respectively, handles 10 are installed on both sides of the base 1 in staggered manner, and a stop gauge 11 is provided on the base 1 by buckle;
[0055] Need to explain, stop gauge 11 contains GO / NO-GO end, used for checking the reference aperture of J1-J3 detection pin, stop gauge 11 provides secondary check, prevents misjudgment caused by spring detection pin failure, stop gauge 11 detects the size of the unqualified hole position in turn, and distinguishes the position error and the aperture size error.
[0056] In addition, the method for establishing the coordinate system of the gauge calibration is as follows: the reference blocks of the reference keys I, II and III are used to construct a surface, the reference keys I and II are used to construct a line, the reference key I is used as the origin of the coordinate system, and the coordinate system of the gauge is established through rotation and position.
[0057] The following describes the specific working mode by specific embodiments:
[0058] Embodiment 1:
[0059] Firstly, the water pump bottom surface is pasted with the A plane of the detection support plate 2, the positioning pins B and C are inserted into the workpiece positioning hole by pushing the water pump, no shaking is confirmed, the clamp A8 and the clamp B9 are operated in sequence, the workpiece is pressed on the support plate through the lever mechanism, then the turnover mechanism is closed, the spring detection pin J6 and J7 are pushed in, if they can be inserted, it is qualified, otherwise it is unqualified, the spring detection pin J8 is pushed in, if it can be inserted, it is qualified, otherwise it is unqualified, the push mechanism is pushed in, the fixed pin 54 is pressed in and locked, the spring detection pins J9-J11 are pushed in, if they can be inserted, it is qualified, otherwise it is unqualified, finally, the φ2+φ4 go-no-go gauge is used to detect the gap between the pressure feet at J4 and J5, if the go gauge can pass through the stop gauge, it is qualified, otherwise it is unqualified.
[0060] Embodiment 2:
[0061] When detecting different models of water pumps with different positioning hole spacings, the positioning pins B and C on the detection support plate (2) are pulled out, replaced with positioning pins (such as positioning pin length and diameter adjustment) suitable for new models, and then inserted into the support plate pin hole; by loosening the locking bolts of the base block 31 and the turnover plate (32), rotating the turnover plate to the target angle, and tightening the bolts, the new hole position can be detected by the spring detection pins J6 and J7, and finally by pulling out the fixed pin 54, the extension length of the push rod 52 can be adjusted to adapt to the detection of different models of water pumps.
[0062] The above has been described by way of example in conjunction with the drawings, and obviously, the specific implementation of the present application is not limited by the above manner, as long as various non-essential improvements are made by adopting the method concept and technical solution of the present application, or the above concept and technical solution of the present application is directly applied to other occasions without improvement, all of which are within the protection scope of the present application.
Claims
1. A position detection device for a water pump, comprising a base (1), characterized in that, Also include: Detection support plate (2) is installed in the center of the top of the base (1); Turnover mechanism (3) is installed on the top of the base (1) and located on the left side of the detection support plate (2); Detection mechanism (4) is installed on the top of the base (1) and arranged with the turnover mechanism (3); Push-pull mechanism (5) is installed on the top of the base (1) and located on the back side of the detection support plate (2); The first reference detection structure (6) is installed on the top of the base (1) and located on the front side of the detection support plate (2); The second reference detection structure (7) is installed on the top of the base (1) and located on the right side of the first reference detection structure (6); Clamp A (8) is installed on the top of the base (1) and located on the right side of the detection support plate (2); Clamp B (9) is installed on the top of the base (1) and located on the back side of the turnover mechanism (3).
2. The position detecting device for a water pump according to claim 1, characterized by: The detection support plate (2) is respectively inserted with positioning pin B, positioning pin C, detection pin J1, detection pin J2 and detection pin J3.
3. The position detecting device for a water pump according to claim 1, characterized by: The turnover mechanism (3) includes a base block (31) fixedly installed on the base (1), a turnover plate (32) rotationally connected with the base block (31), and spring detection pins J6 and J7 penetrating through the front end of the turnover plate (32).
4. The position detecting device for a water pump according to claim 1, characterized by: The detection mechanism (4) includes a first mounting block fixedly installed on the base (1) and spring detection pins J8 penetrating through the first mounting block.
5. The position detecting device for a water pump according to claim 1, characterized in that: The push-pull mechanism (5) includes a base (51) installed on the base (1), a push rod (52) penetrating through the base (51), a circular block (53) installed on the front end of the push rod (52), and a fixed pin (54) provided on the top of the base (51) and penetrating through it.
6. The position detecting device for a water pump according to claim 5, wherein: The push rod (52) is provided with a hole matched with the fixed pin (54), and the fixed pin (54) is sequentially provided with spring detection pins J9, J10 and J11 in the circumferential direction.
7. The position detecting device for a water pump according to claim 1, characterized by: The first reference detection structure (6) includes a first mounting seat fixedly installed on the base (1), and the first mounting seat is inserted with a detection pin J4.
8. The position detecting device for a water pump according to claim 1, characterized by: The second reference detection structure (7) includes a second mounting seat fixedly installed on the base (1), and the second mounting seat is inserted with a detection pin J5.
9. The position detecting device for a water pump according to claim 1, wherein: The base (1) is respectively provided with reference keys I, II and III at the corners, handles (10) are installed on the two sides of the base (1) in staggered manner, and a stop rule (11) is provided on the base (1) by buckle.