CN220351014U - Tightness detection clamp and device - Google Patents

Abstract

The application relates to a tightness detection clamp and a device. The tightness detection clamp comprises an upper clamp and a lower clamp, wherein the upper clamp and the lower clamp are used for fixing the tested workpiece after being combined or releasing the tested workpiece after being separated; the lower clamp comprises a first substrate and a positioning support assembly, and the positioning support assembly is arranged on the first substrate; the positioning support assembly comprises a positioning block and a positioning column, the positioning block is arranged on the first substrate according to the outline of the measured workpiece, and the positioning column is arranged on the first substrate according to the positioning hole of the measured workpiece. The application the leakproofness detects anchor clamps and device have easy operation, use stable and degree of automation height's advantage.

Description

Tightness detection clamp and device

Technical Field

The application relates to the technical field of cylinder tightness detection, in particular to a tightness detection clamp and a tightness detection device.

Background

The motorcycle is one of the main vehicles of people's trip of contemporary, and engine as the core part of motorcycle, in order to ensure its leakproofness and safe in utilization, need to carry out the leakproofness to engine cylinder body or cylinder cap and detect.

In the related art engine block tightness test, a custom-made jig is generally used for plugging, and then the product is subjected to tightness test by an air leak detector. In the process of feeding the cylinder to be detected, the position of the cylinder at the lower clamp needs to be accurately adjusted, the cylinder is often required to be carried and mounted on the clamp by manual cooperation, then the cylinder on the lower clamp is manually accurately adjusted, and the cylinder is carried and fed through manual work after detection. Therefore, a large amount of labor in the production process leads to high production cost, and the defect of low automation degree exists.

Disclosure of Invention

Accordingly, it is necessary to provide a sealing performance detecting jig and device for solving the problems of low automation and high production cost.

In a first aspect, a tightness detection clamp is provided, the tightness detection clamp comprises an upper clamp and a lower clamp, and the upper clamp and the lower clamp are used for fixing a tested workpiece after being combined or releasing the tested workpiece after being separated;

the lower clamp comprises a first substrate and a positioning support assembly, and the positioning support assembly is arranged on the first substrate; the positioning support assembly comprises a positioning block and a positioning column, the positioning block is arranged on the first substrate according to the outline of the measured workpiece, and the positioning column is arranged on the first substrate according to the positioning hole of the measured workpiece.

In one embodiment, the positioning support assembly further comprises a slider disposed on the first substrate according to a contact position of the workpiece under test at the lower jig.

In one embodiment, the upper fixture comprises a second substrate and a pressing rod, the pressing rod is connected with the second substrate, and when the upper fixture and the lower fixture are combined, the pressing rod abuts against the workpiece to be tested.

In one embodiment, the upper fixture further comprises a docking rod, the docking rod is connected with the second substrate, a docking hole is formed in the first substrate, and the docking rod is inserted into the docking hole when the upper fixture is combined with the lower fixture.

In a second aspect, a tightness detection device is provided, including a frame, a loading and unloading mechanism, a clamp driving mechanism and any one of the above embodiments, where the loading and unloading mechanism is disposed on the frame, the clamp driving mechanism is disposed on the top of the frame, a lower clamp of the tightness detection clamp is detachably mounted on the loading and unloading mechanism, the loading and unloading mechanism is used for driving the lower clamp to move between a detection position and a loading and unloading position, an upper clamp of the tightness detection clamp is detachably mounted on the clamp driving mechanism, and the clamp driving mechanism drives the upper clamp to be combined with or separated from the lower clamp.

In one embodiment, the feeding and discharging mechanism comprises a guide rail, a mounting plate and a feeding and discharging driving unit, the guide rail is mounted on the bottom plate of the frame, the guide rail is arranged on a connecting line of the feeding and discharging position and the detecting position, the mounting plate is slidably arranged on the guide rail, the feeding and discharging driving unit is arranged on the bottom plate, a power output end of the feeding and discharging driving unit is connected with the mounting plate, and the discharging clamp is detachably mounted on the mounting plate.

In one embodiment, the clamp driving mechanism comprises a hanging plate, a pressing driving unit and a connecting assembly, wherein the pressing driving unit is installed at the top of the frame, the output end of the pressing driving unit is downwards connected with the hanging plate, the connecting assembly is arranged on the hanging plate, and the upper clamp is detachably connected with the hanging plate through the connecting assembly.

In one embodiment, the lower fixture further comprises a fixture stabilizing assembly, the fixture stabilizing assembly comprises a fixture stabilizing block and a stabilizing driving unit, the fixture stabilizing block is provided with a triangular inner groove, the output end of the stabilizing driving unit is provided with a triangular plug matched with the inner groove, the fixture stabilizing block is mounted on one side of the mounting plate, the stabilizing driving unit is mounted on the bottom plate, and when the upper fixture is combined with the lower fixture, the stabilizing driving unit drives the plug to be inserted into the inner groove.

In one embodiment, the mounting plate is further provided with an induction component, the induction component comprises an induction piece, a first induction sensor and a second induction sensor, the induction piece is arranged on the mounting plate, the first induction sensor and the second induction sensor are arranged on one side of the guide rail, the induction piece is positioned in an induction range of the first induction sensor when the mounting plate is positioned at the detection position, and the induction piece is positioned in an induction range of the second induction sensor when the mounting plate is positioned at the loading and unloading position.

In one embodiment, the first substrate of the lower fixture is provided with a fixing hole, the mounting plate is provided with a fixing driving unit, the output end of the fixing driving unit is provided with a fixing column, and when the lower fixture is mounted on the mounting plate, the fixing driving unit drives the fixing column to be inserted into the fixing hole.

Above-mentioned leakproofness detects anchor clamps and device, when the work piece that is surveyed when going on the unloading place on lower anchor clamps, but this anchor clamps adaptation manipulator goes up the unloading to the work piece that is surveyed, and the in-process of material loading is surveyed the work piece and is accomplished location and balance according to locating piece, reference column and slider automation when placing down on the anchor clamps, makes the operation simpler, uses more stably. Then the lower clamp is moved to a detection position through the upper and lower mechanism to be combined with the upper clamp, and a compression column for further stabilizing the workpiece to be detected is arranged on the upper clamp. Through setting up unloading mechanism, detect the back anchor clamps and drive the unloading position of going up of survey work piece automatic movement down, cooperate the manipulator to carry out the unloading to lower anchor clamps, can realize unmanned automatic operation, have the advantage that degree of automation is high.

Drawings

Fig. 1 is a schematic structural diagram of a tightness detection clamp according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a lower fixture of the tightness detection fixture according to the embodiment of the present application.

Fig. 3 is another schematic structural view of a tightness detection jig according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a tightness detection device according to an embodiment of the present application.

Fig. 5 is another schematic structural diagram of the tightness detection device according to the embodiment of the present application.

Fig. 6 is a schematic structural diagram of an induction component of the tightness detection device according to the embodiment of the present application.

Fig. 7 is a schematic structural diagram of a clamp driving mechanism of the tightness detection device according to the embodiment of the present application.

Fig. 8 is a schematic structural diagram of a connection assembly of the tightness detection device according to the embodiment of the present application.

Fig. 9 is a schematic installation view of a lower fixture of the tightness detection device according to the embodiment of the present application.

Fig. 10 is an enlarged view of the installation of the lower jig of the tightness detection device according to the embodiment of the present application.

Reference numerals: 100. a workpiece to be tested; 100A, positioning holes;

200. a frame; 210. a bottom plate; 220. a top plate;

300. a loading and unloading mechanism; 310. a loading and unloading driving unit; 320. a mounting plate; 321. a fixed driving unit; 321A, fixing columns; 330. a guide rail; 340. an induction assembly; 341. a first inductive sensor; 342. a second inductive sensor; 343. an induction piece;

400. a lower clamp; 410. a first substrate; 411. a fixing hole; 412. a butt joint hole; 420. positioning the support assembly; 421. a positioning block; 422. positioning columns; 423. a slider; 430. a clamp stabilizing assembly; 431. a clamp stabilizing block; 431A, an inner groove; 432. a stable driving unit; 432A, a plug;

500. a clamp is arranged; 510. a second substrate; 520. a connecting column; bayonet 520A; 530. a compression column; 540. a butt joint rod;

600. a clamp driving mechanism; 610. a compression driving unit; 620. a balance driving unit; 630. a hanging plate; 640. a connection assembly; 641. connecting a driving unit; 642. a connecting block; 642A, connection holes; 642B, a clamping groove.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a tightness testing jig according to an embodiment of the present application, where the tightness testing jig provided in an embodiment of the present application includes an upper jig 500 and a lower jig 400, and the upper jig 500 and the lower jig 400 are used for fixing a tested workpiece 100 after being combined or releasing the tested workpiece 100 after being separated.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a lower fixture of a tightness detection device according to an embodiment of the present application, and in some embodiments, the lower fixture 400 includes a first substrate 410 and a positioning support assembly 420, where the positioning support assembly 420 is disposed on the first substrate 410; the positioning support assembly 420 includes a positioning block 421 and a positioning column 422, the positioning block 421 is disposed on the first substrate 410 according to the contour of the workpiece 100 to be measured, and the positioning column 422 is disposed on the first substrate 410 according to the positioning hole 100A of the workpiece 100 to be measured.

The tightness detection clamp is used for fixing a detected workpiece 100, the detected workpiece 100 is an engine cylinder body with a special-shaped opening, the detected workpiece 100 is placed between an upper clamp 500 and a lower clamp 400, the detected workpiece 100 is fixed by combining the upper clamp 500 and the lower clamp 400 when the detected workpiece 100 is detected, and the detected workpiece 100 is released by separating the upper clamp 500 and the lower clamp 400 after the detection is completed. When the workpiece 100 to be measured is placed on the first substrate 410 of the lower fixture 400, the positioning support assembly 420 on the first substrate 410 performs positioning support on the workpiece 100 to be measured. Specifically, the positioning block 421 is arranged outside the placement contour of the workpiece 100 to be tested, so that the workpiece 100 to be tested can be quickly positioned through the positioning block 421 when being placed. And the positioning column 422 is arranged for the positioning hole 100A of the workpiece 100 to be measured, so that the accuracy of the placement position of the workpiece 100 to be measured is ensured.

According to the tightness detection clamp, the positioning block 421 and the positioning column 422 are arranged on the lower clamp 400, in the process of feeding, the tested workpiece 100 can be rapidly placed on the designated position of the lower clamp 400 through the positioning block 421, and the positioning column 422 can be inserted into the positioning hole 100A on the tested workpiece 100, so that the placing accuracy of the tested workpiece 100 is enhanced. Moreover, the positioning block 421 and the positioning column 422 are used for positioning the tested workpiece 100, so that the feeding operation steps can be simplified, and the feeding operation can be better compatible with other automatic equipment.

In a preferred embodiment, as shown in fig. 2, the positioning support assembly 420 further includes a slider 423, and the slider 423 is disposed on the first substrate 410 according to the contact position of the workpiece 100 to be measured at the lower fixture 400. Since the surface of the workpiece 100 placed on the first substrate 410 is not a pure plane, by providing the slider 423 on the first substrate 410, when the workpiece 100 is placed on the first substrate 410, the workpiece 100 is placed on the first substrate 410 in a horizontally stable state by being supported between the workpiece 100 and the first substrate 410 by the slider 423.

Preferably, as shown in fig. 3, the upper jig 500 includes a second substrate 510 and a pressing rod 530, the pressing rod 530 being connected to the second substrate 510, and the pressing rod 530 abutting the workpiece 100 to be tested when the upper jig 500 and the lower jig 400 are combined. By providing the pressing rod 530 on the upper jig 500, when the upper jig 500 and the lower jig 400 are combined, the pressing rod 530 abuts against and presses the workpiece 100 to be measured, so that the workpiece 100 to be measured is pressed and fixed when the jigs are combined, and the stability of the workpiece 100 to be measured is ensured. Specifically, the pressing rod 530 is provided with an elastic member having a certain elastic force, and presses the workpiece 100 by means of an elastic force when abutting against the workpiece 100. It should be noted that, the pressing rod 530 may be disposed around the contour of the workpiece 100, so as to ensure that the workpiece 100 is balanced when being pressed by the pressing rod 530.

Further, as shown in fig. 3, the upper fixture 500 further includes a docking rod 540, the docking rod 540 is connected to the second substrate 510, the first substrate 410 is provided with a docking hole 412, and when the upper fixture 500 and the lower fixture 400 are combined, the docking rod 540 is inserted into the docking hole 412. Through setting up docking rod 540 at last anchor clamps 500, set up docking hole 412 on lower anchor clamps 400, when making last anchor clamps 500 and lower anchor clamps 400 combine, docking rod 540 inserts docking hole 412, guarantees the stability of the connection process of last anchor clamps 500 and lower anchor clamps 400 to and the connection precision of last anchor clamps 500 and lower anchor clamps 400, avoids appearing rocking and influencing the leakproofness that the leakproofness detects anchor clamps to the leakproofness of measured workpiece 100 in the connection process.

On the other hand, the embodiment of the application also provides a tightness detection device, and the tightness detection clamp in any embodiment is installed in the tightness detection device for use.

Specifically, the tightness detection device includes a frame 200, a loading and unloading mechanism 300, a clamp driving mechanism 600, and a tightness detection clamp according to any of the foregoing embodiments, where the loading and unloading mechanism 300 is disposed on the frame 200, the clamp driving mechanism 600 is disposed on the top of the frame 200, a lower clamp 400 of the tightness detection clamp is detachably mounted on the loading and unloading mechanism 300, the loading and unloading mechanism 300 is used for driving the lower clamp 400 to move between a detection position and an up-down position, an upper clamp 500 of the tightness detection clamp is detachably mounted on the clamp driving mechanism 600, and the clamp driving mechanism 600 drives the upper clamp 500 to be combined with or separated from the lower clamp 400. The loading and unloading mechanism 300 comprises a guide rail 330, a mounting plate 320 and a loading and unloading driving unit 310, wherein the guide rail 330 is mounted on the bottom plate 210 of the frame 200, the guide rail 330 is arranged on a connecting line of a loading and unloading position and a detecting position, the mounting plate 320 is slidably arranged on the guide rail 330, the loading and unloading driving unit 310 is arranged on the bottom plate 210, a power output end of the loading and unloading driving unit 310 is connected with the mounting plate 320, and the unloading clamp 400 is detachably mounted on the mounting plate 320. Through the loading and unloading mechanism 300, the lower clamp 400 can be driven to switch between a loading and unloading position and a detection position, when loading is required, the loading and unloading driving unit 310 drives the lower clamp 400 mounted on the mounting plate 320 to the loading and unloading position, the workpiece 100 to be tested is placed on the lower clamp 400, and then the lower clamp 400 is driven to the detection position to be combined with the upper clamp 500 for tightness detection. The loading and unloading driving unit 310 can automatically complete the transmission from loading to unloading to detection, and can also be matched with an automatic manipulator to automatically load and unload the tested workpiece 100 at the loading and unloading position, so that the degree of automation is further improved, and the use cost is reduced.

Further, the clamp driving mechanism 600 includes a hanging plate 630, a compressing driving unit 610, a balancing driving unit 620, and a connection assembly 640, the compressing driving unit 610 and the balancing driving unit 620 are installed at the top of the frame 200, the compressing driving unit 610 and the balancing driving unit 620 are connected with the hanging plate 630 downward at the output end thereof, the connection assembly 640 is disposed on the hanging plate 630, and the upper clamp 500 is detachably connected with the hanging plate 630 through the connection assembly 640. By arranging the pressing driving unit 610 to drive the hanging plate 630 to move downwards, the upper clamp 500 is detachably arranged on the hanging plate 630, when the lower clamp 400 is positioned at the detection position, the driving unit 610 drives the hanging plate 630 to drive the upper clamp 500 to move downwards so as to be combined with the lower clamp 400, and after the detection is finished, the driving unit 610 drives the hanging plate 630 to drive the upper clamp 500 to move upwards so as to be separated from the lower clamp 400. It is also ensured that the upper and lower clamps 500 and 400 are smoothly coupled or decoupled by providing the balance driving unit 620 for balancing the weight of the hanging plate 630.

Specifically, in order to detachably connect the upper jig 500 and the hanging plate 630, the connection assembly 640 includes a connection block 642 and a connection driving unit 641, the connection driving unit 641 is disposed on the hanging plate 630, an output end of the connection driving unit 641 is connected with the connection block 642, a connection hole 642A and a clamping groove 642B are provided on the connection block 642, a connection column 520 can pass through the connection hole 642A, a bayonet 520A on the connection column 520 can be clamped into the clamping groove 642B to form a connection, and the connection driving unit 641 is used for driving the connection block 642 to move so as to switch the position of the connection column 520 in the connection hole 642A or the clamping groove 642B.

The upper jig 500 and the hanging plate 630 are connected to the connection block 642 via the connection post 520, and the connection post 520 is in an unlocked state capable of being freely separated from the connection hole 642A, and is locked when the bayonet 520A of the connection post 520 is engaged with the bayonet 642B of the connection block 642. The connection driving unit 641 drives the connection block 642 to move, so that the connection column 520 can be switched between the connection hole 642A and the clamping groove 642B, and the connection column 520 and the connection block 642 can be in an unlocked or locked state, and when the fixture 500 is mounted, the connection column 520 and the connection block 642 are in a locked state, and when the fixture 500 needs to be replaced, the connection column 520 and the connection block 642 are in an unlocked state.

In a preferred embodiment, the lower jig 400 further includes a jig stabilizing assembly 430, the jig stabilizing assembly 430 includes a jig stabilizing block 431 and a stabilizing driving unit 432, the jig stabilizing block 431 is provided with a triangular inner groove 431A, an output end of the stabilizing driving unit 432 is provided with a triangular plug 432A matched with the inner groove 431A, the jig stabilizing block 431 is mounted on one side of the mounting plate 320, the stabilizing driving unit 432 is mounted on the bottom plate 210, and the stabilizing driving unit 432 drives the plug 432A to be inserted into the inner groove 431A when the upper jig 500 and the lower jig 400 are combined. Because mounting panel 320 slidable sets up on the slide rail, through setting up anchor clamps steady block 431 in one side of mounting panel 320, install stable drive unit 432 on bottom plate 210, need fixed mounting panel 320 avoid sliding when anchor clamps are in the testing position, stable drive unit 432 will insert anchor clamps steady block 431 this moment, makes mounting panel 320 static relative to the bottom plate, avoids detecting the in-process, and mounting panel 320 drives the anchor clamps and removes, ensures production safety.

In a preferred embodiment, the mounting plate 320 is further provided with a sensing assembly 340, the sensing assembly 340 includes a sensing piece 343, a first sensing sensor 341 and a second sensing sensor 342, the sensing piece 343 is disposed on the mounting plate 320, the first sensing sensor 341 and the second sensing sensor 342 are disposed on one side of the guide rail 330, when the mounting plate 320 is located at the detecting position, the sensing piece 343 is located in the sensing range of the first sensing sensor 341, and when the mounting plate 320 is located at the loading and unloading position, the sensing piece 343 is located in the sensing range of the second sensing sensor 342. In order to accurately identify the position of the mounting plate 320, by providing the sensing piece 343 on the mounting plate 320, when the mounting plate 320 is located at the detection position, the first sensing sensor 341 can identify the sensing piece 343, and then can determine that the current mounting plate 320 is located at the detection position; when the mounting plate 320 is located at the loading and unloading position, the second sensing sensor 342 can identify the sensing piece 343, and then the current mounting plate 320 can be determined to be located at the loading and unloading position. Through setting up sensing assembly 340, can automize and acquire the position of mounting panel 320, improve the degree of automation of equipment, can cooperate other automation equipment to accomplish diversified operation.

In a preferred embodiment, the first substrate 410 of the lower fixture 400 is provided with a fixing hole 411, the mounting plate 320 is provided with a fixing driving unit 321, an output end of the fixing driving unit 321 is provided with a fixing post 321A, and when the lower fixture 400 is mounted on the mounting plate 320, the fixing driving unit 321 drives the fixing post 321A to be inserted into the fixing hole 411. The lower fixture 400 is detachably mounted on the mounting plate 320, specifically, the fixing driving unit 321 is arranged on the mounting plate 320 to drive the fixing post 321A, the fixing hole 411 is arranged on the first substrate 410 of the lower fixture 400, when the lower fixture 400 is mounted on the mounting plate 320, the fixing driving unit 321 drives the fixing post 321A to be inserted into the fixing hole 411, the fixing driving unit 321 and the fixing hole 411 are automatically and firmly connected, and when the fixing driving unit 321 drives the fixing post 321A to leave the fixing hole 411 during disassembly, the lower fixture 400 can be automatically released, so that the lower fixture 400 has the advantages of simplicity in disassembly and high automation degree.

The embodiment of the application provides a leakproofness detects anchor clamps and device, has following beneficial effect:

1. by arranging the positioning block 421, the positioning column 422 and the floating block 423 on the lower clamp 400, the workpiece 100 to be tested can be quickly placed on the appointed position of the lower clamp 400 through the positioning block 421 in the feeding process; the positioning column 422 is inserted into the positioning hole 100A on the tested workpiece 100, so that the placement accuracy of the tested workpiece 100 is enhanced; when the workpiece 100 is placed on the first substrate 410, the workpiece 100 is supported between the workpiece 100 and the first substrate 410 by the slider 423, so that the workpiece 100 is placed on the first substrate 410 in a horizontally stable state. Moreover, the positioning block 421 and the positioning column 422 are used for positioning the tested workpiece 100, so that the feeding operation steps can be simplified, and the feeding operation can be better compatible with other automatic equipment.

2. By providing the pressing rod 530 on the upper jig 500, when the upper jig 500 and the lower jig 400 are combined, the pressing rod 530 abuts against and presses the workpiece 100 to be measured, so that the workpiece 100 to be measured is pressed and fixed when the jigs are combined, and the stability of the workpiece 100 to be measured is ensured.

3. The loading and unloading driving unit 310 can automatically complete the transmission from loading to unloading to detection, and can also be matched with an automatic manipulator to automatically load and unload the tested workpiece 100 at the loading and unloading position, so that the degree of automation is further improved, and the use cost is reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A tightness detection clamp is characterized in that:

the tightness detection clamp comprises an upper clamp (500) and a lower clamp (400), wherein the upper clamp (500) and the lower clamp (400) are used for fixing a tested workpiece (100) after being combined or releasing the tested workpiece (100) after being separated;

the lower clamp (400) comprises a first substrate (410) and a positioning support assembly (420), wherein the positioning support assembly (420) is arranged on the first substrate (410); the positioning support assembly (420) comprises a positioning block (421) and a positioning column (422), the positioning block (421) is arranged on the first substrate (410) according to the outline of the measured workpiece (100), and the positioning column (422) is arranged on the first substrate (410) according to the positioning hole (100A) of the measured workpiece (100).

2. The tightness detection jig according to claim 1, wherein:

the positioning support assembly (420) further comprises a floating block (423), and the floating block (423) is arranged on the first substrate (410) according to the contact position of the measured workpiece (100) on the lower clamp (400).

3. The tightness detection jig according to claim 1, wherein:

the upper clamp (500) comprises a second substrate (510) and a pressing rod (530), the pressing rod (530) is connected with the second substrate (510), and when the upper clamp (500) and the lower clamp (400) are combined, the pressing rod (530) is abutted against the workpiece (100) to be tested.

4. A tightness detection jig according to claim 3, wherein:

the upper clamp (500) further comprises a butt joint rod (540), the butt joint rod (540) is connected with the second substrate (510), a butt joint hole (412) is formed in the first substrate (410), and when the upper clamp (500) and the lower clamp (400) are combined, the butt joint rod (540) is inserted into the butt joint hole (412).

5. A tightness detection device, characterized in that:

the sealing detection clamp comprises a frame (200), a loading and unloading mechanism (300), a clamp driving mechanism (600) and any one of claims 1-4, wherein the loading and unloading mechanism (300) is arranged on the frame (200), the clamp driving mechanism (600) is arranged at the top of the frame (200), a lower clamp (400) of the sealing detection clamp is detachably arranged on the loading and unloading mechanism (300), the loading and unloading mechanism (300) is used for driving the lower clamp (400) to move between a detection position and an loading and unloading position, an upper clamp (500) of the sealing detection clamp is detachably arranged on the clamp driving mechanism (600), and the clamp driving mechanism (600) drives the upper clamp (500) to be combined with or separated from the lower clamp (400).

6. The tightness detection device according to claim 5, wherein:

the feeding and discharging mechanism (300) comprises a guide rail (330), a mounting plate (320) and a feeding and discharging driving unit (310), wherein the guide rail (330) is mounted on a bottom plate (210) of the frame (200), the guide rail (330) is arranged on a connecting line of a feeding and discharging position and a detecting position, the mounting plate (320) is slidably arranged on the guide rail (330), the feeding and discharging driving unit (310) is arranged on the bottom plate (210), a power output end of the feeding and discharging driving unit (310) is connected with the mounting plate (320), and the lower clamp (400) is detachably mounted on the mounting plate (320).

7. The tightness detection device according to claim 5, wherein:

the clamp driving mechanism (600) comprises a hanging plate (630), a pressing driving unit (610) and a connecting assembly (640), wherein the pressing driving unit (610) is installed at the top of the frame (200), the output end of the pressing driving unit (610) is downwards connected with the hanging plate (630), the connecting assembly (640) is arranged on the hanging plate (630), and the upper clamp (500) is detachably connected with the hanging plate (630) through the connecting assembly (640).

8. The tightness detection device according to claim 6, wherein:

the lower clamp (400) further comprises a clamp stabilizing assembly (430), the clamp stabilizing assembly (430) comprises a clamp stabilizing block (431) and a stabilizing driving unit (432), the clamp stabilizing block (431) is provided with a triangular inner groove (431A), the output end of the stabilizing driving unit (432) is provided with a triangular plug (432A) matched with the inner groove (431A), the clamp stabilizing block (431) is mounted on one side of the mounting plate (320), the stabilizing driving unit (432) is mounted on the bottom plate (210), and when the upper clamp (500) and the lower clamp (400) are combined, the stabilizing driving unit (432) drives the plug (432A) to be inserted into the inner groove (431A).

9. The tightness detection device according to claim 6, wherein:

the device is characterized in that an induction component (340) is further arranged on the mounting plate (320), the induction component (340) comprises an induction piece (343), a first induction sensor (341) and a second induction sensor (342), the induction piece (343) is arranged on the mounting plate (320), the first induction sensor (341) and the second induction sensor (342) are arranged on one side of the guide rail (330), the induction piece (343) is arranged in the induction range of the first induction sensor (341) when the mounting plate (320) is positioned at the detection position, and the induction piece (343) is arranged in the induction range of the second induction sensor (342) when the mounting plate (320) is positioned at the charging and discharging position.

10. The tightness detection device according to claim 6, wherein:

the fixing device is characterized in that a fixing hole (411) is formed in a first substrate (410) of the lower clamp (400), a fixing driving unit (321) is arranged on the mounting plate (320), a fixing column (321A) is arranged at the output end of the fixing driving unit (321), and when the lower clamp (400) is mounted on the mounting plate (320), the fixing driving unit (321) drives the fixing column (321A) to be inserted into the fixing hole (411).