CN218496390U

CN218496390U - Water valve prerotation and torque testing device

Info

Publication number: CN218496390U
Application number: CN202222179587.XU
Authority: CN
Inventors: 吕建; 黄文武
Original assignee: Mugao Machinery Suzhou Co ltd
Current assignee: Asia Machinery Assembly Suzhou Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-02-17
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a water valve prerotation and moment of torsion testing arrangement, including being provided with linear slide rail, the bracing piece of lift cylinder, it is provided with determine module to slide on the linear slide rail, determine module slides from top to bottom along linear slide rail by the lift cylinder drive, determine module includes the servo motor that top-down connected gradually, torque sensor, connecting rod and detection head float, the connecting rod that floats includes the outer tube, elastic component and connecting rod, the connecting rod stretches out and floats from the outer tube for the outer tube is from the elastic component about, the bottom of locating the connecting rod is inserted to the detection head, and its inside cavity is connected with the case with the product that awaits measuring, servo motor drive detects the bandeau and moves the case and rotate, in order to carry out the prerotation test to the product that awaits measuring, torque sensor detects the torsion of case through the detection head simultaneously. This scheme sets up servo motor and torque sensor and combines together, will rotate test procedure and torsion test procedure integration in advance and test together, improves efficiency of software testing.

Description

Water valve prerotation and torque testing device

Technical Field

The utility model relates to a water valve test equipment technical field specifically relates to a water valve prerotation and torque testing arrangement.

Background

Automotive water valves require good resistance to twisting for stable operation. Most manufacturers add pre-rotation and torque testing processes to the water valve assembly process. The current prerotation and torsion testing process is separately tested by devices, so that the water valve needs to be tested by at least two devices, and the test is complicated. The test head and the valve core of the water valve need to be aligned in a test, due to the fact that the consistency between the test head and the valve core is limited, the test head is difficult to align automatically at one time, certain obstacles exist in connection between the test head and the valve core, and the valve core is easy to crash by the test head, so that the test head is usually operated manually, the automation degree of the whole test is low, the efficiency is limited, the stability of the torsion test of the water valve is poor, and the yield is further reduced.

Therefore, how to improve the efficiency of the pre-rotation and torsion test of the water valve and ensure the integrity of the water valve is a problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art existence, provide a water valve prerotation and moment of torsion testing arrangement.

The purpose of the utility model is realized through the following technical scheme:

a water valve pre-rotation and torque testing device comprises a supporting rod provided with a linear sliding rail and a lifting cylinder, wherein a detection assembly is arranged on the linear sliding rail in a sliding mode and driven by the lifting cylinder to slide up and down along the linear sliding rail, the detection assembly comprises a servo motor, a torque sensor, a floating connecting rod and a detection head which are sequentially connected from top to bottom, the floating connecting rod comprises an outer sleeve, an elastic piece and a connecting rod, the connecting rod extends out of the outer sleeve and passes through the elastic piece to float up and down relative to the outer sleeve, the detection head is inserted into the bottom of the connecting rod and is hollow so as to be connected with a valve element of a product to be tested, the servo motor drives the detection head to drive the valve element to rotate so as to pre-rotate the product to be tested, and meanwhile, the torque sensor detects the torque of the valve element through the detection head to test the torque.

Preferably, the elastic component comprises first spring, interior sleeve pipe and inserted bar, the inserted bar is inserted and is located in the interior sleeve pipe, and the both ends slip card of inserted bar locates the waist type of the shaft both sides of outer tube is downthehole, place in the first spring the outer tube in, and its both ends respectively with outer tube, interior sleeve pipe butt, the connecting rod rigid coupling in interior sheathed tube bottom.

Preferably, the floating type detection device further comprises a floating positioning mechanism, the floating positioning mechanism comprises elastic guide rods and a floating pressing plate, the elastic guide rods are symmetrically arranged on two sides of the floating connecting rod, the floating pressing plate is fixedly arranged at the bottoms of the two elastic guide rods, a through hole is formed in the axis of the floating pressing plate, the detection head is arranged in the through hole in a penetrating mode, and the detection head does not protrude out of the bottom of the floating pressing plate.

Preferably, the elastic guide rod comprises a fixed pipe sleeve, a guide rod and a second spring, the guide rod is slidably arranged in the fixed pipe sleeve, a limit nut is fixedly arranged at the top of the guide rod, the bottom of the guide rod is fixedly connected with the floating pressing plate, the second spring is sleeved on the guide rod, and two ends of the second spring are respectively abutted to the floating pressing plate and the fixed pipe sleeve, so that the floating pressing plate floats up and down.

Preferably, the detection assembly is arranged on a connecting support, the connecting support is arranged on the linear sliding rail in a sliding manner, and the fixing pipe sleeve is fixedly arranged at the bottom of the connecting support.

Preferably, a detection sensor is arranged at the bottom of the connecting bracket and used for detecting the position of the detection head.

Preferably, a throttle valve is arranged on the lifting cylinder to control the descending speed of the lifting cylinder.

Preferably, the bottom of the supporting rod is fixedly arranged on a carrying platform, and a product to be detected is detachably arranged on the carrying platform.

Preferably, the carrying platform is provided with a group of rotatable limiting blocks, and the limiting blocks are clamped with or separated from the product to be detected through rotation.

Preferably, a sensor and a code scanner for detecting the product to be detected are arranged on the carrier.

The beneficial effects of the utility model are mainly embodied in that:

1. the floating connecting rod is arranged to enable the detection head to float up and down, so that hard contact cannot be generated when the detection head descends and is connected with a valve core of a product to be detected, and the detection head can be safely connected with the valve core without damaging the valve core;

2. the floating positioning mechanism is arranged, the through hole of the floating pressing plate plays a positioning role in the detection head, the floating pressing plate is firstly contacted with a product to be detected in the descending process of the detection assembly, the detection head penetrates through the through hole and then is contacted with the product to be detected, the connection accuracy of the detection head and the valve core can be improved, the floating pressing plate and the detection head both have a floating function, hard damage to the product to be detected is avoided, and after the detection head is driven to rotate by the servo motor, the detection head can be quickly connected with the valve core under the elastic force of the first spring to complete automatic connection;

3. the servo motor controls the number of rotations of the detection head in real time and is combined with the torque sensor to detect the torque of the valve core in real time, pre-rotation detection and torque detection of a product to be detected are integrated and carried out synchronously, and detection efficiency and stability are effectively improved.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1: schematic view of an embodiment of the present invention;

FIG. 2 is a schematic diagram: a schematic view of another angle of an embodiment of the present invention;

FIG. 3: an enlarged schematic view of portion a of fig. 2;

FIG. 4: FIG. 2 is a cross-sectional view;

FIG. 5: an enlarged schematic view of portion B in fig. 4.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.

In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

As shown in fig. 1 to 5, the utility model discloses a water valve prerotation and torque testing device, including the bracing piece 1 that is provided with linear slide rail 3, lift cylinder 2, it is provided with the determine module to slide on the linear slide rail 3, the determine module is followed by the drive of lift cylinder 2 linear slide rail 3 slides from top to bottom, the determine module includes servo motor 4, torque sensor 5, the connecting rod that floats and detects head 6 that top-down connected gradually, the connecting rod that floats includes outer tube 7, elastic component and connecting rod 8, connecting rod 8 is followed stretch out in the outer tube 7 and pass through the elastic component for outer tube 7 fluctuates from top to bottom, detect head 6 inserts and locates the bottom of connecting rod 8, and its inside cavity is connected with the case of the product that awaits measuring, servo motor 4 drives detect head 6 drives the case rotates to carry out the prerotation test to the product that awaits measuring, simultaneously torque sensor 5 passes through detect head 6 detects the torsion of case carries out the torsion test.

The utility model discloses set up lift cylinder 2 and drive the determine module oscilaltion, make to detect head 6 can the automatic alignment product's that awaits measuring case, and set up the connecting rod that floats makes to detect head 6 can the oscilaltion, makes it can not produce the hard contact when the case of the product that detects head 6 decline and await measuring is connected, detect head 6 can be connected with the case safely and do not harm the case, improve the product yield greatly. The servo motor 4 is combined with the torque sensor 5, a pre-rotation testing process and a torque testing process are integrated to be tested, and testing efficiency and stability are improved.

Specifically, as shown in fig. 3 and 5, the elastic member is composed of a first spring 9, an inner sleeve 10 and an insertion rod 11, the insertion rod 11 is inserted into the inner sleeve 10, two ends of the insertion rod 11 are slidably clamped in waist-shaped holes 701 at two sides of the tube body of the outer sleeve 7, the outer sleeve 7 is arranged in the first spring 9, two ends of the first spring are respectively abutted to the outer sleeve 7 and the inner sleeve 10, and the connecting rod 8 is fixedly connected to the bottom of the inner sleeve 10. The connecting rod 8 and the inner sleeve 10 are connected into a whole, so that under the elastic action of the first spring 9, the connecting rod 8 synchronously floats up and down relative to the outer sleeve 7 along with the inner sleeve 10.

In a preferred embodiment, the detection head 6 is inserted into the bottom of the connecting rod 8 by interference fit, and in other possible embodiments, the detection head 6 may be connected with the connecting rod 8 by other possible manners. In practical use, the detection head 6 may have a plurality of different models, such as different diameters, sizes, etc., and the detection head 6 is detachably connected to the connection rod 8, so as to facilitate replacement of the detection head 6.

Furthermore, the detection assembly further comprises a floating positioning mechanism, the floating positioning mechanism comprises elastic guide rods and a floating pressing plate 12, the elastic guide rods are symmetrically arranged on two sides of the floating connecting rod, the floating pressing plate 12 is fixedly arranged at the bottoms of the two elastic guide rods, a through hole 1201 is formed in the axis of the floating pressing plate 12, the detection head 6 is arranged in the through hole 1201 in a penetrating mode, and the detection head 6 does not protrude out of the bottom of the floating pressing plate 12.

Specifically, the elastic guide rod comprises a fixed pipe sleeve 13, a guide rod 14 and a second spring 15, the guide rod 14 is arranged in the fixed pipe sleeve 13 in a sliding mode, a limiting nut 16 is fixedly arranged at the top of the guide rod 14, the bottom of the guide rod 14 is fixedly connected with the floating pressing plate 12, the second spring 15 is sleeved on the guide rod 14, and two ends of the second spring 15 are respectively abutted to the floating pressing plate 12 and the fixed pipe sleeve 13, so that the floating pressing plate 12 floats up and down.

In practical use, the floating pressing plate 12 contacts with a product to be detected first, the detection head 6 contacts with the product to be detected later, and the through hole 1201 formed in the axis of the floating pressing plate 12 plays a role in positioning the detection head 6, so that the detection head 6 can be conveniently and quickly aligned with a valve core of the product to be detected. Simultaneously the structural feature that detects head 6 and floating clamp plate 12 can fluctuate can be avoided floating clamp plate 12, detection head 6 cause hard damage to the product that awaits measuring, works as servo motor 4 drive when detecting head 6 is rotatory, it is quick with the case joint to detect head 6 under the elasticity release of first spring 9, accomplishes the automatic butt joint between detection head 6 and the product that awaits measuring.

The detection assembly is arranged on the connecting support 17, the connecting support 17 is arranged on the linear slide rail 3 in a sliding mode, and the fixing pipe sleeve 13 is fixedly arranged at the bottom of the connecting support 17.

Further, a detection sensor 18 is disposed at the bottom of the connection bracket 17 for detecting the position of the detection head 6 to determine whether the connection between the detection head 6 and the valve core is successful.

In order to control the detection head 6 to descend stably, a throttle valve 19 is arranged on the lifting cylinder 2 to control the descending speed of the lifting cylinder, and a flow control valve (not shown in the figure) is arranged on the air path of the lifting cylinder 2 to control the descending speed of the lifting cylinder 2 together with the throttle valve 19, so that the detection head 3 is prevented from impacting a product due to the fact that the descending speed of the lifting cylinder 2 is too high, and the product yield is guaranteed.

As shown in fig. 1, the bottom of the support rod 1 is fixedly arranged on a platform 20, and a product to be measured is detachably arranged on the platform 20. Specifically, a set of rotatable limiting blocks 21 is arranged on the carrier 20, and the limiting blocks 21 are clamped with or separated from the product to be detected through rotation. The limiting block 21 is used for rapidly mounting and dismounting the product to be detected.

Further, be provided with sensor and the bar code scanner that is used for detecting the product that awaits measuring on microscope carrier 20, come the placing and the concrete model of the inspection product that awaits measuring, prior art is not the key point of this scheme in addition, and here is not repeated.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. Water valve prerotation and torque testing device, its characterized in that: including bracing piece (1) that is provided with linear slide rail (3), lift cylinder (2), it is provided with the determine module to slide on linear slide rail (3), the determine module is followed by lift cylinder (2) drive linear slide rail (3) slides from top to bottom, the determine module includes servo motor (4), torque sensor (5), the connecting rod that floats and detects head (6) that top-down connected gradually, the connecting rod that floats includes outer tube (7), elastic component and connecting rod (8), connecting rod (8) are followed stretch out in outer tube (7) and pass through the elastic component is relative outer tube (7) fluctuate, detect head (6) insert locate the bottom of connecting rod (8), and its inside cavity is connected with the case of the product that awaits measuring, servo motor (4) drive detect head (6) drive the case rotates to the product that awaits measuring rotates in advance, simultaneously torque sensor (5) pass through detect the torsion of case, carry out the torsion test.

2. The water valve pre-rotation and torque testing apparatus of claim 1, wherein: the elastic component comprises a first spring (9), an inner sleeve (10) and an insertion rod (11), the insertion rod (11) is inserted into the inner sleeve (10), the two ends of the insertion rod (11) are slidably clamped in waist-shaped holes (701) on two sides of the tube body of the outer sleeve (7), the first spring (9) is arranged in the outer sleeve (7), the two ends of the first spring are respectively abutted against the outer sleeve (7) and the inner sleeve (10), and the connecting rod (8) is fixedly connected with the bottom of the inner sleeve (10).

3. The water valve pre-rotation and torque testing apparatus of claim 1, wherein: still include the positioning mechanism that floats, the positioning mechanism that floats includes elastic guide and unsteady clamp plate (12), the elastic guide symmetry set up in unsteady connecting rod both sides, unsteady clamp plate (12) set firmly in two the bottom of elastic guide, the axle center of unsteady clamp plate (12) has through-hole (1201), it wears to locate to detect head (6) in through-hole (1201), just detect head (6) not evaginate in the bottom of unsteady clamp plate (12).

4. The water valve pre-rotation and torque testing apparatus of claim 3, wherein: the elastic guide rod comprises a fixed pipe sleeve (13), a guide rod (14) and a second spring (15), the guide rod (14) is arranged in the fixed pipe sleeve (13) in a sliding mode, a limiting nut (16) is fixedly arranged at the top of the guide rod (14), the bottom of the guide rod (14) is fixedly connected with the floating pressing plate (12), the second spring (15) is sleeved on the guide rod (14), and two ends of the second spring (15) are respectively abutted to the floating pressing plate (12) and the fixed pipe sleeve (13), so that the floating pressing plate (12) floats up and down.

5. The water valve pre-rotation and torque testing apparatus of claim 4, wherein: the detection assembly is arranged on the connecting support (17), the connecting support (17) is arranged on the linear sliding rail (3) in a sliding mode, and the fixing pipe sleeve (13) is fixedly arranged at the bottom of the connecting support (17).

6. The water valve pre-rotation and torque testing apparatus of claim 5, wherein: and a detection sensor (18) is arranged at the bottom of the connecting bracket (17) and used for detecting the position of the detection head (6).

7. The water valve pre-rotation and torque testing apparatus of claim 1, wherein: a throttle valve (19) is arranged on the lifting cylinder (2) to control the descending speed of the lifting cylinder.

8. The water valve pre-rotation and torque testing apparatus of claim 1, wherein: the bottom of the support rod (1) is fixedly arranged on a carrying platform (20), and a product to be detected is detachably arranged on the carrying platform (20).

9. The water valve pre-rotation and torque testing apparatus of claim 8, wherein: the carrying platform (20) is provided with a group of rotatable limiting blocks (21), and the limiting blocks (21) are clamped with or separated from a product to be detected through rotation.

10. The water valve pre-rotation and torque testing apparatus of claim 8, wherein: and a sensor and a code scanner for detecting a product to be detected are arranged on the carrying platform (20).