CN114705372A - Double dynamical system cylinder cap seals test board - Google Patents
Double dynamical system cylinder cap seals test board Download PDFInfo
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- CN114705372A CN114705372A CN202210348493.2A CN202210348493A CN114705372A CN 114705372 A CN114705372 A CN 114705372A CN 202210348493 A CN202210348493 A CN 202210348493A CN 114705372 A CN114705372 A CN 114705372A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a double-power system cylinder cover sealing test machine platform which comprises a test box, wherein a bearing plate used for placing a cylinder cover is arranged above the test box, test mechanisms used for testing the air tightness of the cylinder cover are symmetrically arranged on two sides in the bearing plate, the bearing plate is arranged below a pressing mechanism, the test box is arranged in a fixed frame, a lifting hydraulic cylinder used for driving the pressing mechanism to lift is arranged on the fixed frame, and a taking and placing mechanism used for taking and placing the cylinder cover is arranged on one side of the test box. According to the invention, the pressing mechanism is arranged, and the pressing hydraulic cylinder on the pressing mechanism is matched with the pressing cylinder, so that when the pressing plate contacts the surface of the cylinder cover, the pressing cylinder with smaller thrust is used for continuously pressing the two ends of the cylinder cover, thereby ensuring the tightness of the cylinder cover and avoiding the damage to the surface of the cylinder cover caused by overlarge thrust of the pressing hydraulic cylinder.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a double-power system cylinder cover sealing test machine.
Background
The cylinder head of the automobile engine is a very important component in an engine system, and is mainly used for sealing the upper part of a cylinder, forming a combustion chamber, and serving as a support for a camshaft, a rocker shaft and an air inlet and exhaust pipe. The air tightness of the cylinder cover is one of important factors influencing the product quality.
At present, the tightness of each enterprise to the cylinder cover is mainly detected by adopting a water detection method, namely, the cylinder cover is firstly clamped and blocked by a clamp, then the cylinder cover is compressed by a lifting hydraulic cylinder and is sunk into water, and compressed air is introduced into the inner cavity of the cylinder cover through an air pipe for detection. The method has certain problems, namely, the thrust of a piston rod of the lifting hydraulic cylinder is large, so that the surface of a cylinder cover is easily damaged when the lifting hydraulic cylinder pushes a pressing block to contact the surface of the cylinder cover; secondly, when the cylinder cover is clamped by the clamp, the positioning cylinder is usually required to position the cylinder cover, so that the air pipe conveniently introduces air into the cylinder cover, and therefore the positioning cylinder is required to be submerged along with the cylinder cover, which has great influence on the quality and service life of the positioning cylinder; meanwhile, after the test of the cylinder cover is completed, moisture on the cylinder cover is remained on the cylinder cover, and the cylinder cover is easily corroded.
Disclosure of Invention
The invention aims to provide a double-power system cylinder cover sealing test machine, which solves the following technical problems: (1) the thrust of a piston rod of the lifting hydraulic cylinder is large, so that the surface of a cylinder cover is easily damaged; (2) the positioning cylinder sinks into water along with the cylinder cover, and the quality and the service life of the positioning cylinder are greatly influenced.
The purpose of the invention can be realized by the following technical scheme:
a double dynamical system cylinder cap seals the test machine, including the test box, there are bearing boards used for placing the cylinder cap above the said test box, the bilateral symmetry has test mechanisms to test the cylinder cap air tightness in the said bearing board, the said bearing board is set up below the hold-down mechanism, the said test box is set up in the fixed mount, there are lifting cylinders used for driving the hold-down mechanism to go up and down on the said fixed mount, there are pick-and-place mechanisms used for picking and placing the cylinder cap on one side of the said test box; the pressing mechanism is characterized in that a top plate of the pressing mechanism is fixedly arranged at the top of the middle-arranged plate through a connecting rod, piston rods of pressing hydraulic cylinders fixedly arranged on the middle-arranged plate penetrate through the middle-arranged plate and are fixedly arranged at the tops of the bottom plates, piston rods of pressing cylinders fixedly arranged at two sides of the tops of the two bottom plates penetrate through the bottom plates and are fixedly connected to the two pressing plates, and a plurality of bearing rods fixedly arranged at the bottom of the middle-arranged plate are fixedly arranged on the bearing plates.
Further, the bilateral symmetry is provided with clamping unit on the fixed plate of getting and putting the mechanism, clamping unit's tight seat one side fixed mounting of clamp has two die clamping cylinder, two die clamping cylinder piston rod runs through tight seat of clamp and fixed connection in clamp plate one side, fixed plate one side fixed mounting has two first spacing cylinders, the fixed plate is close to rotating on the fixed orifices that test box one side was seted up and is installed the limiting plate.
Furthermore, a second limiting cylinder piston rod rotatably mounted at the bottom of the fixing plate is rotatably mounted on one side of the limiting plate.
Furthermore, moving grooves are symmetrically formed in two sides of the fixing plate, a moving lead screw is rotatably mounted in one of the moving grooves, a sliding rod is fixedly mounted in the other moving groove, the clamping seat of one of the clamping assemblies is in threaded connection with the moving lead screw, and the clamping seat of the other clamping assembly is slidably mounted on the sliding rod.
Furthermore, a movable motor used for driving the movable lead screw to rotate is arranged on one side of the fixing plate, and the fixing plate is fixedly installed on one side of the test box.
Furthermore, hydraulic cylinder fixed mounting is on the mount, hydraulic cylinder piston rod runs through the mount top and with roof top fixed connection.
Further, the end part of the piston rod of the testing cylinder on the testing mechanism is fixedly provided with a gas pipe, the top of the gas pipe is provided with a gas inlet, one side of the gas pipe is provided with a gas outlet communicated with the gas hole of the cylinder cover, and the testing cylinder is fixedly arranged on the side wall of the bearing plate.
Furthermore, a blow-drying mechanism is arranged on a fixing plate of the pick-and-place mechanism, two blow-drying motors are fixedly mounted at the top of a connecting frame of the blow-drying mechanism, and output shafts of the blow-drying motors penetrate through the connecting frame and are fixedly connected with fans.
The invention has the beneficial effects that:
according to the double-power system cylinder cover sealing test machine table, the pressing mechanism is arranged, and the pressing hydraulic cylinder on the pressing mechanism is matched with the pressing cylinder, so that when the pressing plate contacts the surface of the cylinder cover, the pressing cylinder with smaller thrust is used for continuously pressing the two ends of the cylinder cover, the sealing performance of the cylinder cover is ensured, and the damage to the surface of the cylinder cover caused by overlarge thrust of the pressing hydraulic cylinder is avoided;
the positioning cylinder does not need to sink into water along with the cylinder cover to influence the service life of the positioning cylinder, meanwhile, the two movable clamping assemblies are convenient to take and place the cylinder cover, the labor intensity of personnel is reduced, and the automation degree is improved;
the mechanism of weathering on the fixed plate is used for getting rid of the moisture on the cylinder cap, avoids the moisture of adhesion to cause the corrosion of cylinder cap on the cylinder cap.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a dual power system cylinder head seal testing machine of the present invention;
FIG. 2 is a schematic view of the hold-down mechanism of the present invention;
FIG. 3 is a schematic diagram of the test mechanism of the present invention;
FIG. 4 is a schematic structural diagram of the pick and place mechanism of the present invention;
fig. 5 is a schematic structural view of the blow drying mechanism of the present invention.
In the figure: 1. a test box; 2. a fixed mount; 3. a lifting hydraulic cylinder; 4. a blow-drying mechanism; 41. a connecting frame; 42. drying the motor; 43. a fan; 5. a hold-down mechanism; 51. a top plate; 52. a compaction hydraulic cylinder; 53. a middle-arranged plate; 54. a base plate; 55. a compression plate; 56. a pressing cylinder; 6. a pick and place mechanism; 61. a fixing plate; 62. a moving groove; 63. moving the lead screw; 64. a slide bar; 65. a clamping assembly; 651. a clamping seat; 652. a clamping cylinder; 653. a clamping plate; 66. a fixing hole; 67. a first limit cylinder; 68. a moving motor; 69. a limiting plate; 7. a carrier plate; 8. a testing mechanism; 81. testing the cylinder; 82. a gas delivery pipe; 83. an air inlet; 84. and (7) an exhaust port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the invention relates to a dual-power system cylinder cap sealing test machine, which comprises a test box 1, wherein water for testing the sealing performance of a cylinder cap is stored in the test box 1, a bearing plate 7 for placing the cylinder cap is arranged above the test box 1, test mechanisms 8 for testing the air tightness of the cylinder cap are symmetrically arranged on two sides in the bearing plate 7, the bearing plate 7 is arranged below a pressing mechanism 5, the test box 1 is arranged in a fixed frame 2, and a lifting hydraulic cylinder 3 for driving the pressing mechanism 5 to lift is arranged on the fixed frame 2;
referring to fig. 2, the pressing mechanism 5 includes a top plate 51, the top plate 51 is fixedly mounted on the top of the middle plate 53 through a connecting rod, a pressing hydraulic cylinder 52 is fixedly mounted on the middle plate 53, a piston rod of the pressing hydraulic cylinder 52 penetrates through the middle plate 53 and is fixedly mounted on the top of the bottom plate 54, pressing plates 55 are symmetrically arranged on two sides of the bottom plate 54, pressing cylinders 56 are fixedly mounted on two sides of the top of the two bottom plates 54, piston rods of the two pressing cylinders 56 penetrate through the bottom plate 54 and are fixedly connected to the two pressing plates 55, a plurality of bearing rods are fixedly mounted on the bottom of the middle plate 53 and are fixedly mounted on the bearing plate 7, and the bearing plate 7 is a U-shaped member;
when compressing tightly the cylinder cap: start compressing tightly pneumatic cylinder 52, compressing tightly pneumatic cylinder 52 piston rod drives bottom plate 54 downstream, and then drives two pressure strip 55 downstream and contact cylinder cap surface, tentatively compresses tightly the cylinder cap, starts two and compresses tightly cylinder 56, and two pressure strip 56 piston rods that compress tightly continue to drive two pressure strips 55 and compress tightly the cylinder cap both sides on loading board 7, carry out further compressing tightly to the cylinder cap, divide two sections to compress tightly the cylinder cap, avoid when guaranteeing the cylinder cap leakproofness because of compressing tightly pneumatic cylinder 52 thrust excessively causing the damage on cylinder cap surface.
Referring to fig. 3, testing mechanism 8 includes test cylinder 81, test cylinder 81 fixed mounting is on 7 lateral walls of loading board, test cylinder 81 piston rod tip fixed mounting has air-supply pipe 82, air inlet 83 has been seted up at air-supply pipe 82 top, air inlet 83 passes through trachea and air pump intercommunication, air-supply pipe 82 deviates from test cylinder 81 one side and has seted up gas vent 84, the gas vent 84 communicates with the gas pocket of cylinder cap, the air pump passes through the trachea and supplies air to air-supply pipe 82, and with gas transport to the cylinder cap in, test the gas tightness of cylinder cap.
The lifting hydraulic cylinder 3 is fixedly arranged on the fixed frame 2, and a piston rod of the lifting hydraulic cylinder 3 penetrates through the top of the fixed frame 2 and is fixedly connected with the top of the top plate 51.
A taking and placing mechanism 6 for taking and placing the cylinder cover is arranged on one side of the test box 1, and a drying mechanism 4 is arranged on a fixing plate 61 of the taking and placing mechanism 6;
referring to fig. 4, the pick-and-place mechanism 6 includes a fixed plate 61, the fixed plate 61 is fixedly installed on one side of the test box 1, two moving grooves 62 are symmetrically formed on two sides of the fixed plate 61, one of the moving grooves 62 is rotatably installed with a moving screw 63, the other moving groove 62 is fixedly installed with a sliding rod 64, one side of the fixed plate 61 is fixedly installed with a moving motor 68, an output shaft of the moving motor 68 is fixedly connected with an end portion of the moving screw 63, clamping assemblies 65 are symmetrically arranged on two sides of the fixed plate 61, each clamping assembly 65 includes a clamping seat 651, two clamping cylinders 652 are fixedly installed on one side of the clamping seat 651, piston rods of the two clamping cylinders 652 penetrate through the clamping seat 651 and are fixedly connected to one side of the clamping plate 653, the clamping seat 651 of one clamping assembly 65 is threadedly connected to the moving screw 63, the clamping seat 651 of the other clamping assembly 65 is slidably installed on the sliding rod 64, one side of the fixed plate 61 is fixedly installed with two first limiting cylinders 67, a fixing hole 66 is formed in one side, close to the test box 1, of the fixing plate 61, a limiting plate 69 is rotatably mounted on the fixing hole 66, a second limiting cylinder is rotatably mounted at the bottom of the fixing plate 61, a piston rod of the second limiting cylinder is rotatably mounted on one side of the limiting plate 69, and the rotatable limiting plate 69 avoids interference with a moving cylinder cover and influences the taking and placing of the cylinder cover;
when positioning the cylinder cover: the second limiting cylinder is started, the second limiting cylinder drives the limiting plate 69 to rotate, the limiting plate 69 is vertically arranged on the fixing plate 61, two first limiting cylinders 67 are synchronously started, two piston rods of the first limiting cylinders 67 are matched with the limiting plate 69 to correct the two sides of the cylinder cover on the fixing plate 61, two clamping cylinders 652 of the two clamping assemblies 65 are simultaneously started, piston rods of the two clamping cylinders 652 drive the clamping plate 653 to move, the two clamping plates 653 correct the two sides of the cylinder cover and clamp the cylinder cover tightly, the cylinder cover can be centered on the fixing plate 61 due to the limitation in four directions, the positioned cylinder cover is conveniently aligned with the gas pipe 82 of the testing mechanism 8 on the two sides of the bearing plate 7, the testing of the sealing performance of the cylinder cover is facilitated, meanwhile, the two convenient cylinder covers of the two movable clamping assemblies 65 are taken and placed, the labor intensity of personnel is reduced, and the automation degree is improved.
Referring to fig. 5, the blow-drying mechanism 4 includes a connecting frame 41, two blow-drying motors 42 are fixedly mounted on the top of the connecting frame 41, output shafts of the two blow-drying motors 42 all penetrate through the connecting frame 41 and are fixedly connected with a fan 43, the connecting frame 41 is fixedly mounted on a fixing plate 61, the blow-drying mechanism 4 is used for removing moisture on a cylinder cover, and the moisture adhered on the cylinder cover is prevented from causing corrosion of the cylinder cover.
Referring to fig. 1 to fig. 5, the working process of the dual power system cylinder head sealing test machine according to the present embodiment is as follows:
the method comprises the following steps: placing the cylinder cover on the fixing plate 61, starting a second limiting cylinder, driving the limiting plate 69 to rotate by the second limiting cylinder, enabling the limiting plate 69 to be vertically arranged on the fixing plate 61, synchronously starting the two first limiting cylinders 67, correcting two sides of the cylinder cover on the fixing plate 61 by the piston rods of the two first limiting cylinders 67 matching with the limiting plate 69, simultaneously starting the two clamping cylinders 652 of the two clamping assemblies 65, driving the clamping plate 653 to move by the piston rods of the two clamping cylinders 652, correcting two sides of the cylinder cover by the two clamping plates 653, and clamping the cylinder cover, wherein the cylinder cover can be centered on the fixing plate 61 by the limitation in four directions;
step two: the second limiting cylinder is started again, the second limiting cylinder drives the limiting plate 69 to rotate, the limiting plate 69 is parallel to the fixing plate 61, the influence on the movement of the cylinder cover is avoided, the moving motor 68 is started at the moment, the output shaft of the moving motor 68 drives the moving screw 63 to rotate, the moving screw 63 rotates to drive the clamping seat 651 to move, and then the other clamping seat 651 is matched with the cylinder cover between the two clamping plates 653 to move;
step three: when the cylinder cover moves to a designated position on the bearing plate 7, the pressing hydraulic cylinder 52 is started, the piston rod of the pressing hydraulic cylinder 52 drives the bottom plate 54 to move downwards, the two pressing plates 55 are further driven to move downwards and contact the surface of the cylinder cover, the cylinder cover is preliminarily pressed, the two pressing cylinders 56 are started, the piston rods of the two pressing cylinders 56 continue to drive the two pressing plates 55 to press the two sides of the cylinder cover on the bearing plate 7, the cylinder cover is further pressed, and the air tightness of the bottom of the cylinder cover is ensured;
step four: starting the test cylinder 81, driving the air delivery pipe 82 to move by a piston rod of the test cylinder 81, enabling an air outlet 84 at the end part of the air delivery pipe 82 to be communicated with air holes at two sides of a cylinder cover, starting the lifting hydraulic cylinder 3, driving a top plate 51 to move downwards by a piston rod of the lifting hydraulic cylinder 3, further driving the cylinder cover on the bearing plate 7 to be immersed into water in the test box 1, ventilating the air delivery pipe 82, and testing the air tightness of the cylinder cover;
step five: after the cylinder cover airtightness test is completed, the lifting hydraulic cylinder 3 drives the cylinder cover on the bearing plate 7 to move upwards through the top plate 51, the two clamping plates 653 clamp and fix the cylinder cover and then move back to the fixing plate 61 again, the two blow-drying motors 42 drive the fans 43 to rotate, the two fans 43 remove moisture on the cylinder cover, and the situation that the cylinder cover is rusted due to the moisture adhered to the cylinder cover is avoided.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although one embodiment of the present invention has been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. A double dynamical system cylinder cap seals test machine, including test box (1), there are bearing boards (7) used for placing the cylinder cap above the said test box (1), characterized by, there are test mechanisms (8) of the test cylinder cap gas tightness in both sides symmetry in the said bearing board (7), the said bearing board (7) is set up below the hold-down mechanism (5), the said test box (1) is set up in the fixed mount (2), there are lifting hydraulic cylinders (3) used for driving the hold-down mechanism (5) to go up and down on the said fixed mount (2), there are pick-and-place mechanisms (6) used for picking and placing the cylinder cap on one side of the said test box (1); the pressing mechanism is characterized in that a top plate (51) of the pressing mechanism (5) is fixedly mounted at the top of a middle plate (53) through a connecting rod, piston rods of pressing hydraulic cylinders (52) fixedly mounted on the middle plate (53) penetrate through the middle plate (53) and are fixedly mounted at the top of a bottom plate (54), piston rods of pressing cylinders (56) fixedly mounted at two sides of the top of the bottom plate (54) penetrate through the bottom plate (54) and are fixedly connected to two pressing plates (55), and a plurality of bearing rods fixedly mounted at the bottom of the middle plate (53) are fixedly mounted on a bearing plate (7).
2. The dual-power system cylinder cover sealing test machine platform of claim 1, characterized in that clamping assemblies (65) are symmetrically arranged on two sides of a fixing plate (61) of the pick-and-place mechanism (6), two clamping cylinders (652) are fixedly mounted on one side of a clamping seat (651) of each clamping assembly (65), piston rods of the two clamping cylinders (652) penetrate through the clamping seat (651) and are fixedly connected to one side of a clamping plate (653), two first limiting cylinders (67) are fixedly mounted on one side of the fixing plate (61), and a limiting plate (69) is rotatably mounted on a fixing hole (66) formed in one side of the fixing plate (61) close to the test box (1).
3. The dual-power system cylinder cover seal testing machine platform of claim 2, wherein a piston rod of a second limiting cylinder rotatably mounted at the bottom of the fixing plate (61) is rotatably mounted at one side of a limiting plate (69).
4. The dual-power system cylinder cover sealing test machine platform of claim 2, wherein the fixed plate (61) is symmetrically provided with moving grooves (62) on both sides, one of the moving grooves (62) is rotatably provided with a moving screw (63), the other moving groove (62) is fixedly provided with a sliding rod (64), a clamping seat (651) of one clamping assembly (65) is in threaded connection with the moving screw (63), and a clamping seat (651) of the other clamping assembly (65) is slidably mounted on the sliding rod (64).
5. The dual-power system cylinder cover sealing test machine platform as recited in claim 4, wherein a moving motor (68) for driving the moving screw (63) to rotate is disposed on one side of the fixed plate (61), and the fixed plate (61) is fixedly mounted on one side of the test box (1).
6. The dual-power system cylinder cover sealing test machine platform as claimed in claim 1, wherein the hydraulic lifting cylinder (3) is fixedly mounted on the fixed frame (2), and a piston rod of the hydraulic lifting cylinder (3) penetrates through the top of the fixed frame (2) and is fixedly connected with the top of the top plate (51).
7. The dual-power system cylinder cover sealing test machine platform as recited in claim 1, wherein a gas pipe (82) is fixedly installed at an end portion of a piston rod of a test cylinder (81) on the test mechanism (8), a gas inlet (83) is formed in the top of the gas pipe (82), a gas outlet (84) communicated with a gas hole of a cylinder cover is formed in one side of the gas pipe (82), and the test cylinder (81) is fixedly installed on a side wall of a bearing plate (7).
8. The dual-power system cylinder cover sealing test machine platform as claimed in claim 1, wherein a blow-drying mechanism (4) is disposed on a fixing plate (61) of the pick-and-place mechanism (6), two blow-drying motors (42) are fixedly mounted on the top of a connecting frame (41) of the blow-drying mechanism (4), and output shafts of the two blow-drying motors (42) penetrate through the connecting frame (41) and are fixedly connected with a fan (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210348493.2A CN114705372A (en) | 2022-04-01 | 2022-04-01 | Double dynamical system cylinder cap seals test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210348493.2A CN114705372A (en) | 2022-04-01 | 2022-04-01 | Double dynamical system cylinder cap seals test board |
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| Publication Number | Publication Date |
|---|---|
| CN114705372A true CN114705372A (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210348493.2A Pending CN114705372A (en) | 2022-04-01 | 2022-04-01 | Double dynamical system cylinder cap seals test board |
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| Country | Link |
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| CN (1) | CN114705372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585960A (en) * | 2022-12-07 | 2023-01-10 | 山东福阳液压科技有限公司 | Hydraulic cylinder leakproofness testing arrangement |
-
2022
- 2022-04-01 CN CN202210348493.2A patent/CN114705372A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585960A (en) * | 2022-12-07 | 2023-01-10 | 山东福阳液压科技有限公司 | Hydraulic cylinder leakproofness testing arrangement |
| CN115585960B (en) * | 2022-12-07 | 2023-03-28 | 山东福阳液压科技有限公司 | Hydraulic cylinder leakproofness testing arrangement |
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