CN219142153U

CN219142153U - Product pressing testing device

Info

Publication number: CN219142153U
Application number: CN202223568997.XU
Authority: CN
Inventors: 汪志学; 李强; 惠鑫刚; 孙鲁艳; 豆亚锋; 杜磊; 惠剑琼
Original assignee: Xi'an North Huashan Mechanical And Electrical Co ltd
Current assignee: Xi'an North Huashan Mechanical And Electrical Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-06
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a product pressing testing device which comprises a rack, wherein an upper material rack is arranged on one side of the upper wall surface of the rack, a lower material rack is arranged on the other side of the upper wall surface of the rack, and a testing structure is arranged on the rack and positioned between the upper material rack and the lower material rack; the utility model relates to a device for detecting defects such as sand holes and air holes of a shell casting, wherein workpieces are arranged on an upper material frame under the action of gravity, a positioning component limits the workpieces on the upper material frame to avoid interference with the workpieces on a test structure, a pressing mechanism injects compressed air into an inner cavity of the workpieces to a preset value and then observes a pressure gauge, whether the workpieces have casting defects or not can be directly observed through the display of the pressure gauge, when the pressing detection of the workpieces is finished, a shifting fork in a tested structure is pushed to a lower material frame, the positioning component is retracted, the workpieces on the upper material frame move to the test structure under the action of the shifting fork in the test structure to start the next working cycle, the continuous detection of a plurality of workpieces is realized, the working efficiency is improved, and the device is simple and practical in structure.

Description

Product pressing testing device

Technical Field

The utility model relates to defect detection equipment for sand holes, air holes and the like of a shell casting, in particular to a product pressing test device.

Background

The casting is the most widely used metal liquid forming process, which is a method for pouring liquid metal into a casting cavity, obtaining a blank or a part with a certain shape after the liquid metal is cooled and solidified, and the casting is easy to generate sand holes and air holes in the casting production, so that the quality of the casting needs to be checked.

Some casting product quality detection equipment at present cannot realize continuous detection of a plurality of products, such as a casting sealing detection device with the publication number of CN211717729U, and the casting sealing detection device comprises a support piece, wherein an adjusting seat is arranged on the support piece, a first hydraulic cylinder which is symmetrically distributed is arranged on the support piece, a second hydraulic cylinder is arranged on the support piece, a symmetrically distributed sliding piece is arranged on the support piece in a sliding manner, a symmetrically distributed adjusting rod is arranged on the support piece, a tool is fixedly connected on the adjusting seat, and a pressing plate is fixedly connected with an output shaft of the second hydraulic cylinder; the adjusting seat comprises an adjusting seat main body, a symmetrically distributed push plate is arranged on the adjusting seat main body, a limit hole is formed in the push plate, symmetrically distributed T-shaped blocks are arranged below the adjusting seat main body, in the patent document, an operator is required to place a product to be detected on a tool, after detection is completed, the product is detached by the operator, the working efficiency is too low, and the device is inconvenient to use, so that the device for detecting defects such as sand holes and air holes of a shell casting is designed.

Disclosure of Invention

In order to solve the problems proposed in the background art, the utility model is realized by the following technical scheme: the product pressing testing device comprises a frame, wherein one side of the upper wall surface of the frame is provided with an upper material rack, the other side of the upper wall surface of the frame is provided with a lower material rack, and a testing structure is arranged on the frame and positioned between the upper material rack and the lower material rack;

the test structure comprises: the device comprises two bearing seats, a rotating shaft, two shifting forks, a power assembly, a first cylinder, a movable plug, a fixed plug, a pressing mechanism, a pressure gauge and a positioning assembly;

the two bearing seats are arranged on the frame, the rotating shafts are inserted on the two bearing seats, the two shifting forks are sleeved on the rotating shafts, the power assembly is arranged on the rotating shafts and the frame, the first air cylinder is arranged on the frame, the movable plug is arranged at the telescopic end of the first air cylinder, the fixed plug and the movable plug are correspondingly arranged on the frame, the pressing mechanism is arranged on the fixed plug, the pressure gauge is arranged on the pressing mechanism, the positioning assembly is arranged on the frame, and the positioning assembly is arranged at one end of the feeding frame.

Preferably, the power assembly includes: the gear, the second cylinder and the rack;

the gear sleeve is arranged at one end of the rotating shaft, the second cylinder is arranged on the frame, and the rack and the gear are mutually meshed and arranged at the telescopic end of the second cylinder.

Preferably, the positioning assembly comprises: two third cylinders and two limit posts;

the two third cylinders are arranged on the lower wall surface of the frame, the two limit posts are arranged at the telescopic ends of the two third cylinders, and the two limit posts are movably inserted in the frame.

Preferably, the acute angle included angle between the feeding frame and the frame is 3 degrees.

Preferably, a guide groove is formed in the rack, and the rack is movably mounted on the guide groove.

Preferably, one end of each of the two limiting columns is provided with a chamfer.

Advantageous effects

The utility model provides a product pressing testing device, which has the following beneficial effects: the work piece arranges on the work or material rest under the action of gravity, locating component carries out spacingly to the work piece on the work or material rest, avoid interfering the work piece on the test structure, observe the manometer after pressing the mechanism to work piece inner chamber injection compressed air to the predetermined value, whether the work piece has casting defect through the manometer demonstration can directly be surveyed, after the work piece is pressed and is detected, the shift fork in the structure of being tested pushes away to the work or material rest, locating component returns, the work piece on the work or material rest moves to the test structure under the shift fork effect in the test structure on, begin next duty cycle, the continuous detection of a plurality of work pieces has been realized, work efficiency has been improved, and a structure is simple and practical.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a product pressing test device in the front view direction.

Fig. 2 is a schematic diagram of a three-dimensional structure of a product pressing test device in a rear view direction.

FIG. 3 is a schematic diagram of a three-dimensional structure of a power assembly of a product pressing test device according to the present utility model.

Fig. 4 is a schematic three-dimensional structure of a positioning assembly of a product pressing test device according to the present utility model.

In the figure: 1. the device comprises a frame, 2, a feeding frame, 3, a discharging frame, 4, a bearing seat, 5, a rotating shaft, 6, a shifting fork, 7, a first cylinder, 8, a movable plug, 9, a fixed plug, 10, a pressing mechanism, 11, a pressure gauge, 12, a gear, 13, a second cylinder, 14, a rack, 15, a third cylinder, 16, a limiting column, 17 and a guide groove.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.

Examples: all electric parts and an adaptive power supply thereof are connected through wires by a person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, the electric connection of all electric parts is completed in sequence according to the following working principles, the detailed connection means are known in the art, the working principles and the process are mainly described below, and the electric control is not described, and referring to fig. 1-4, a product pressing test device comprises a rack 1, an upper material rack 2 is arranged on one side of the upper wall surface of the rack 1, a lower material rack 3 is arranged on the other side of the upper wall surface of the rack 1, and a test structure is arranged on the rack 1 and between the upper material rack 2 and the lower material rack 3;

in a specific implementation, the test structure may preferably adopt the following structure, which includes: the device comprises two bearing seats 4, a rotating shaft 5, two shifting forks 6, a power assembly, a first cylinder 7, a movable plug 8, a fixed plug 9, a pressing mechanism 10, a pressure gauge 11 and a positioning assembly; the two bearing seats 4 are arranged on the frame 1, the rotating shaft 5 is inserted on the two bearing seats 4, the two shifting forks 6 are sleeved on the rotating shaft 5, the power component is arranged on the rotating shaft 5 and the frame 1, the first air cylinder 7 is arranged on the frame 1, the movable plug 8 is arranged at the telescopic end of the first air cylinder 7, the fixed plug 9 and the movable plug 8 are correspondingly arranged on the frame 1, the pressing mechanism 10 is arranged on the fixed plug 9, the pressure gauge 11 is arranged on the pressing mechanism 10, the positioning component is arranged on the frame 1, and the positioning component is positioned at one end of the feeding frame 2;

the following are to be described: placing a plurality of workpieces to be pressed on a feeding frame 2, preferably, further, arranging the workpieces to be pressed on the feeding frame 2 under the action of gravity, wherein an acute angle between the feeding frame 2 and a frame 1 is 3 degrees, avoiding the workpieces to be pressed from rolling down under the action of a positioning component, retracting the positioning component to the lower part of the frame 1 during pressing, falling the workpieces to be pressed on the feeding frame 2 on two shifting forks 6, then restoring the positioning component to the original position, shielding and limiting the workpieces to be pressed on the feeding frame 2, operating a power component, driving a rotating shaft 5 to rotate, driving the two shifting forks 6 to drive the workpieces thereon to align with a movable blocking 8 and a fixed blocking 9, then extending a first cylinder 7, sealing two ends of the workpieces by the movable blocking 8 and the fixed blocking 9, then injecting compressed air into an inner cavity of the workpieces by a pressing mechanism 10 to a preset value, then stopping pressing, observing the pressure gauge 11 after the pressure maintaining set time, wherein the workpiece is qualified if the pressure gauge 11 value is unchanged, if the pressure gauge 11 value is greatly reduced, the probability of casting defects of the workpiece is higher, after the pressing detection is finished, the first cylinder 7 is contracted, the movable plug 8 leaves the workpiece, then the power assembly works to drive the rotating shaft 5 to rotate, the two shifting forks 6 send the pressed workpiece to the blanking frame 3, one working cycle is finished, the movable plug 8 and the fixed plug 9 are movably installed, when the pressing test is carried out on different products, the movable plug 8 is replaced and the position accessory of the first cylinder 7 is debugged, the cost is reduced, and the pressing mechanism 10 is air tightness detection equipment produced by the Hai Rui Si automatic technology limited company can be referred to in the prior art;

in a specific implementation, the power assembly may preferably adopt the following structure, which includes: a gear 12, a second cylinder 13, and a rack 14; the gear 12 is sleeved at one end of the rotating shaft 5, the second cylinder 13 is arranged on the frame 1, and the rack 14 and the gear 12 are mutually meshed and arranged at the telescopic end of the second cylinder 13;

the following are to be described: the second cylinder 13 stretches and contracts to drive the rack 14 to move, and the gear 12 drives the rotating shaft 5 to rotate on the two bearing seats 4;

in a specific implementation, the positioning assembly may preferably adopt the following structure, which includes: two third cylinders 15 and two limit posts 16; the two third cylinders 15 are arranged on the lower wall surface of the frame 1, the two limiting columns 16 are arranged at the telescopic ends of the two third cylinders 15, and the two limiting columns 16 are movably inserted on the frame 1;

the following are to be described: the two limiting posts 16 are driven to extend out of the upper wall surface of the frame 1 or retract to the upper wall surface of the frame 1 by the extension and retraction of the two third cylinders 15;

preferably, the rack 1 is provided with a guide groove 17, and the rack 14 is movably arranged on the guide groove 17;

preferably, further, one end of each of the two limiting posts 16 is provided with a chamfer.

It should be noted that, in the description of the present specification, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A product compression testing device, comprising:

the device comprises a rack (1), wherein one side of the upper wall surface of the rack (1) is provided with a feeding frame (2), the other side of the upper wall surface of the rack (1) is provided with a discharging frame (3), and a test structure is arranged on the rack (1) and positioned between the feeding frame (2) and the discharging frame (3);

the test structure comprises: the device comprises two bearing seats (4), a rotating shaft (5), two shifting forks (6), a power assembly, a first cylinder (7), a movable plug (8), a fixed plug (9), a pressing mechanism (10), a pressure gauge (11) and a positioning assembly;

the two bearing blocks (4) are installed on the frame (1), the rotating shafts (5) are inserted into the two bearing blocks (4), the two shifting forks (6) are sleeved on the rotating shafts (5), the power assembly is installed on the rotating shafts (5) and the frame (1), the first air cylinder (7) is installed on the frame (1), the movable plugs (8) are installed at the telescopic ends of the first air cylinder (7), the fixed plugs (9) and the movable plugs (8) are installed on the frame (1) in a mutually corresponding mode, the pressing mechanism (10) is installed on the fixed plugs (9), the pressure gauge (11) is installed on the pressing mechanism (10), the positioning assembly is installed on the frame (1), and the positioning assembly is located at one end of the feeding frame (2).

2. The product compression testing apparatus of claim 1, wherein the power assembly comprises: a gear (12), a second cylinder (13) and a rack (14);

the gear (12) is sleeved at one end of the rotating shaft (5), the second air cylinder (13) is mounted on the frame (1), and the rack (14) and the gear (12) are mutually meshed and mounted at the telescopic end of the second air cylinder (13).

3. A product compression testing apparatus as claimed in claim 1, wherein the positioning assembly comprises: two third cylinders (15) and two limit posts (16);

the two third cylinders (15) are arranged on the lower wall surface of the frame (1), the two limit posts (16) are arranged at the telescopic ends of the two third cylinders (15), and the two limit posts (16) are movably inserted on the frame (1).

4. A product pressing test device according to claim 1, characterized in that the acute angle between the upper rack (2) and the frame (1) is 3 °.

5. A product pressing test device according to claim 2, characterized in that the frame (1) is provided with a guide groove (17), and the rack (14) is movably mounted on the guide groove (17).

6. A product testing device according to claim 3, wherein both of said stopper posts (16) are provided with chamfers at one end.