Valve body quality inspection device

Abstract

The utility model discloses a valve body quality inspection device, and aims to solve the problems that in the prior art, two modes are mainly adopted in the quality inspection process of a valve body at present: one mode is that a quality inspection qualified label is manually pasted; the technical problems that in the prior art, in the prior art, quality inspection qualified labels are prone to falling off and losing in the circulation process, it is difficult to guarantee that the pasted labels are in the unified position and direction, in the other mode, manual marking is adopted, the working efficiency is low, batch use cannot be met, certain accuracy cannot be guaranteed through manual control, and both the manual control and the manual control cannot meet existing requirements are solved. Comprising a laser marking machine and a valve body, and a fixing mechanism used for fixing the valve body is arranged on a workbench of the laser marking machine; the fixing mechanism comprises a base plate fixedly connected to a workbench of the laser marking machine and square clamping grooves evenly distributed in the length direction and the width direction of the base plate. Clamp units which can be separately connected are arranged in the square clamping grooves. The clamp unit comprises a limiting block which is in separable limiting connection with the valve body.

Description

Technical Field

[0001] The utility model relates to the technical field of valve bodies, in particular to a valve body quality inspection device. Background Art

[0002] There is a kind of valve body as Figure 1-2 shown. The valve body is provided with a circular hollow cavity and 4 through holes circumferentially distributed on the outside of the circular hollow cavity. In the current quality inspection process of this valve body, it is necessary to uniformly mark the qualified products. At present, there are mainly two methods. One is to manually paste the quality inspection qualified label, but the quality inspection qualified label is very easy to fall off and be lost during the circulation process, and it is very difficult to ensure that the pasted label is in the same position and direction, which cannot meet the current requirements. The other is manual marking, which has low work efficiency, cannot meet the batch use, and manual control cannot ensure a certain accuracy, which cannot meet the current requirements. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a valve body quality inspection device to solve the problems raised in the above background art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A valve body quality inspection device includes a laser marking machine and a valve body placed on the workbench of the laser marking machine. A fixing mechanism for fixing the valve body is provided on the workbench of the laser marking machine.

[0006] Among them, the fixing mechanism includes a chassis fixedly connected to the workbench of the laser marking machine and square card slots evenly distributed along the length and width directions of the chassis; separable fixture units are arranged in the square card slots. The fixture unit includes a limiting block detachably and limit-connected to the valve body; the limiting block includes a clamping plate matching the square card slot, a first limiting protrusion arranged at the center of the top surface of the clamping plate and matching the circular hollow cavity of the valve body, and a pair of second limiting protrusions arranged on the top surface of the clamping plate near the outside of the first limiting protrusion and matching two diagonally distributed through holes of the valve body; the first limiting protrusion is in contact and limit-connected with the inner wall of the circular hollow cavity of the valve body; the second limiting protrusion is in contact and limit-connected with the through hole of the valve body.

[0007] Preferably, a frustum for guiding the circular hollow cavity of the valve body to be placed into the first limiting protrusion is provided at the top of the first limiting protrusion.

[0008] Preferably, a round top for guiding the through hole of the valve body to be placed into the second limiting protrusion is provided at the top of the second limiting protrusion.

[0009] Preferably, the limiting block includes direction indication marks provided at two non - adjacent sides of the clamping plate for indicating the insertion direction of the valve body.

[0010] Preferably, the limiting block includes a first magnetic attraction block embedded in the top surface of the first limiting protrusion; the fixing mechanism further includes a magnetic attraction handle; a second magnetic attraction block matching the first magnetic attraction block is embedded in the bottom surface of the magnetic attraction handle; through the magnetic attraction connection between the first magnetic attraction block and the second magnetic attraction block, the magnetic attraction handle can quickly separate the limiting block from the square clamping groove of the chassis.

[0011] Compared with the prior art, a valve body inspection device of the present application has the following beneficial effects:

[0012] The utility model is provided with a fixing mechanism matching the valve body for laser marking. By using the fixture units evenly distributed on the chassis, the pre - alignment and fixation before laser marking of the valve body are realized. During actual production, by rotating among multiple chassis, continuous and precise marking of the valve body can be achieved without interval waiting. The fixture units in the utility model are provided with direction indication marks for indicating the insertion direction of the valve body, a frustum and a dome for guiding the valve body to be quickly inserted into the limiting block, which greatly improves the work efficiency and marking accuracy. In addition, the utility model is also provided with a magnetic attraction handle for quickly taking out the limiting block, which is convenient for the quick disassembly and assembly of the limiting block and improves the practicability. Description of the Drawings

[0013] Figure 1 is a structural schematic diagram of an existing valve body;

[0014] Figure 2 is a structural schematic diagram of another perspective of an existing valve body;

[0015] Figure 3 is a structural schematic diagram of an embodiment of the present utility model;

[0016] Figure 4 is a structural schematic diagram of the fixing mechanism in an embodiment of the present utility model;

[0017] Figure 5 is a connection schematic diagram of the fixture units in an embodiment of the present utility model;

[0018] Figure 6 is a connection schematic diagram of the limiting block in an embodiment of the present utility model;

[0019] Figure 7 is a connection schematic diagram of the magnetic attraction handle and the limiting block in an embodiment of the present utility model;

[0020] Figure 8 is a structural schematic diagram of the magnetic attraction handle in an embodiment of the present utility model.

[0021] Reference numerals: 1, valve body; 11, circular hollow cavity; 12, through hole; 2, laser marking machine; 3, fixing mechanism; 31, chassis; 32, square card slot; 33, fixture unit; 34, limit block; 341, clamping plate; 342, first limit protrusion; 343, frustum; 344, second limit protrusion; 345, dome; 346, direction indication mark; 35, first magnetic block; 4, magnetic handle; 41, second magnetic block. Detailed implementation manners

[0022] The following is a further detailed description through specific implementation manners:

[0023] Embodiment 1

[0024] As Figure 1-8 shown, this embodiment shows a quality inspection device for a valve body 1, including a laser marking machine 2 and the valve body 1 placed on the workbench of the laser marking machine 2. A fixing mechanism 3 for fixing the valve body 1 is provided on the workbench of the laser marking machine 2, facilitating the automatic laser marking of the valve body 1 by the laser marking machine 2.

[0025] In this embodiment, the fixing mechanism 3 includes a chassis 31 fixedly connected to the workbench of the laser marking machine 2 and square card slots 32 evenly distributed along the length and width directions of the chassis 31. The number of the square card slots 32 is determined according to the actual working range of the laser marking machine 2. In this embodiment, a conventional desktop laser marking machine 2 is selected as the laser marking machine 2.

[0026] In this embodiment, a separable fixture unit 33 is provided in the square card slot 32 to limit and fix the valve body 1. The fixture unit 33 includes a limit block 34 that is separably and limit-connected to the valve body 1. Before fixing the valve body 1, the limit blocks 34 are placed into the square card slots 32 one by one. The limit block 34 includes a clamping plate 341 that matches the square card slot 32, a first limit protrusion 342 provided at the center of the top surface of the clamping plate 341 and matching the circular hollow cavity 11 of the valve body 1, and a pair of second limit protrusions 344 provided on the top surface of the clamping plate 341 near the outside of the first limit protrusion 342 and matching the two through holes 12 distributed diagonally on the valve body 1. The first limit protrusion 342 is in contact-type limit connection with the inner wall of the circular hollow cavity 11 of the valve body 1. The second limit protrusion 344 is in contact-type limit connection with the through hole 12 of the valve body 1. When actually installing the valve body 1, align the circular hollow cavity 11 of the valve body 1 with the first limit protrusion 342, and at the same time align the two through holes 12 on the diagonal with the second limit protrusions 344. Then put down the valve body 1. Under the action of the self-gravity of the valve body 1, the limit connection of the limit block 34 to the valve body 1 can be realized, and then the marking work of the laser marking machine 2 can be completed.

[0027] Furthermore, in a further implementable manner of this embodiment, asFigure 7-8 As shown, in order to facilitate the separation of the limit block 34 from the square card slot 32, the limit block 34 includes a first magnetic attraction block 35 embedded in the top surface of the first limit protrusion 342; the fixing mechanism 3 further includes a magnetic attraction handle 4; a second magnetic attraction block 41 matching the first magnetic attraction block 35 is embedded in the bottom surface of the magnetic attraction handle 4; through the magnetic attraction connection between the first magnetic attraction block 35 and the second magnetic attraction block 41, the magnetic attraction handle 4 quickly separates the limit block 34 from the square card slot 32 of the chassis 31.

[0028] Embodiment 2

[0029] As Figure 1-6 shown, another embodiment shows a quality inspection device for a valve body 1, including a laser marking machine 2 and the valve body 1 placed on the workbench of the laser marking machine 2, and a fixing mechanism 3 for fixing the valve body 1 is provided on the workbench of the laser marking machine 2.

[0030] In this embodiment, the fixing mechanism 3 includes a chassis 31 fixedly connected to the workbench of the laser marking machine 2 and square card slots 32 evenly distributed along the length and width directions of the chassis 31; a clamp unit 33 detachably connected is arranged in the square card slots 32. The clamp unit 33 includes a limit block 34 detachably and limit-connected to the valve body 1; the limit block 34 includes a clamping plate 341 matching the square card slot 32, a first limit protrusion 342 arranged at the center of the top surface of the clamping plate 341 and matching the circular hollow cavity 11 of the valve body 1, and a pair of second limit protrusions 344 arranged on the top surface of the clamping plate 341 near the outside of the first limit protrusion 342 and matching two through holes 12 of the valve body 1 distributed diagonally; the first limit protrusion 342 is in contact and limit-connected with the inner wall of the circular hollow cavity 11 of the valve body 1; the second limit protrusion 344 is in contact and limit-connected with the through hole 12 of the valve body 1.

[0031] Further explanation, in a further implementable manner of this embodiment, as Figure 6 shown, a frustum 343 for guiding the circular hollow cavity 11 of the valve body 1 to be placed into the first limit protrusion 342 is provided at the top of the first limit protrusion 342, which is convenient for the placement of the valve body 1 and improves work efficiency. In some other further implementable manners of this embodiment, as Figure 7 shown, a dome 345 for guiding the through hole 12 of the valve body 1 to be placed into the second limit protrusion 344 is provided at the top of the second limit protrusion 344, which is convenient for the placement of the valve body 1 and improves work efficiency.

[0032] Embodiment 3

[0033] As Figure 1-6 shown, another embodiment is based on Embodiment 2. In a further implementable manner of this embodiment, as Figure 6As shown, the limiting block 34 includes direction indication marks 346 for indicating the insertion direction of the valve body 1 provided at two non-adjacent sides of the clamping plate 341, ensuring that the laser marking directions and specifications on the valve body 1 are consistent and meeting the quality inspection requirements.

[0034] The above are only embodiments of the present invention, and common knowledge such as specific structures and characteristics known in the art are not described in detail herein. It should be noted that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent. The protection scope required by this application shall be subject to the content of its claims, and the specific implementation manners described in the specification can be used to interpret the content of the claims.

Claims

1. A valve body quality inspection device, comprising a laser marking machine and a valve body placed on a workbench of the laser marking machine, characterized in that: The laser marking machine workbench is provided with a fixing mechanism for fixing the valve body; The fixing mechanism comprises a chassis fixedly connected to the workbench of the laser marking machine and square slots evenly distributed along the length and width of the chassis; a detachable clamp unit is provided in the square slot; The clamp unit includes a limit block that is detachably limited to the valve body; the limit block includes a clamping plate that matches the square clamping slot, a first limit protrusion that is arranged at the center of the top surface of the clamping plate and matches the circular hollow cavity of the valve body, and a pair of second limit protrusions that are arranged on the top surface of the clamping plate close to the outside of the first limit protrusion and match the two diagonally distributed through holes of the valve body; the first limit protrusion is contactably limited to the inner wall of the circular hollow cavity of the valve body; the second limit protrusion is contactably limited to the through hole of the valve body.

2. A valve body quality inspection device according to claim 1, characterized in that: A circular hollow cavity of the guide valve body is provided on the top of the first limiting protrusion, and a truncated cone body of the first limiting protrusion is placed therein.

3. A valve body quality inspection device according to claim 1, characterized in that: The top of the second limiting protrusion is provided with a dome for guiding the through hole of the valve body to be placed into the second limiting protrusion.

4. A valve body quality inspection device according to any one of claims 1 to 3, characterized in that: The limit block comprises direction indicating marks arranged at two non-adjacent side edges of the clamping plate for indicating the direction in which the valve body is inserted.

5. A valve body quality inspection device according to claim 1, characterized in that: The limit block includes a first magnetic block embedded in the top surface of the first limit protrusion; the fixing mechanism also includes a magnetic handle; the bottom surface of the magnetic handle is embedded with a second magnetic block matching the first magnetic block; through the magnetic connection between the first magnetic block and the second magnetic block, the magnetic handle can quickly separate the limit block from the square slot of the chassis.

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