Air cylinder airtightness and stroke testing all-in-one machine

Abstract

The utility model relates to an air cylinder air tightness and stroke test all-in-one machine, which comprises a bottom plate and a top plate, the middle part of the bottom plate is provided with a scale track, the surface of the scale track is adaptively provided with a movable supporting seat, the left end of the movable supporting seat is fixedly connected with a limiting plate, and the upper end of the movable supporting seat is provided with a movable groove. A pair of model selection seats are arranged in a groove of the moving groove, a linear rail is arranged in the middle of the lower end of the top plate, a pair of linear rail assemblies are arranged on the surface of the linear rail in a matched mode, the lower ends of the linear rail assemblies are fixedly connected with an air cylinder switching block, and the lower end of the air cylinder switching block is fixedly connected with an air cylinder assembly. A pair of model selection seats is arranged, the model selection seats suitable for specifications are placed on a moving groove of a moving supporting seat, and the distance between the model selection seats is adjusted, so that air cylinders of all specifications can be limited and fixed; through the scale track, the stroke distance of the piston rod of the air cylinder can be read visually, and no extra measuring instrument is needed.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder performance testing equipment, in particular to an integrated machine for testing cylinder air tightness and stroke. Background Art

[0002] During the manufacturing process of the cylinder, it is necessary to test the air tightness and the piston rod stroke of the cylinder, and judge whether the cylinder is qualified based on the test results. The existing cylinder testing equipment does not have the function of performing both air tightness and stroke tests, and has poor applicability to the tests of cylinders of different specifications and a complex structure. Therefore, we have launched an all-in-one cylinder air tightness and stroke tester.

[0003] Patent No. CN202321627858.1 is a Chinese utility model patent, which discloses a cylinder head cover air tightness test device, including a seat body; a pressure arm, the pressure arm is arranged on the seat body and is rotatably connected to the seat body, and the pressure arm is arranged corresponding to the hole of the cylinder head cover; a driving mechanism, the power end of the driving mechanism is rotatably connected to the pressure arm, and under the action of the driving mechanism, the pressure arm is driven to rotate around the hinge point between the pressure arm and the seat body, so that the end face of the pressure arm is pressed against the surface of the cylinder head cover and then the cylinder head cover is pressed to achieve the sealing of the cylinder head cover hole; this utility model can solve the existing problems of the existing The problem of loose sealing is solved, and the tooling is prevented from being deformed due to uneven force when the upper tooling is pressed down, thereby preventing the test tooling from being damaged, and then enabling the test tooling to work normally; the utility model makes the hole sealing effect of the cylinder head cover better by individually sealing each hole of the cylinder head cover, without the need for manual sealing, thereby improving the test efficiency of the cylinder head cover air tightness, but the device has the following problems: its applicability to a pair of cylinders of different specifications is low, and it is not convenient to limit and fix the cylinder; secondly, it does not have the dual detection of cylinder air tightness test and stroke test at the same time. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies of the prior art. By arranging a pair of selection seats, scale tracks, linear rails and plugging heads, the utility model solves the technical problems that the existing cylinder air tightness test and cylinder stroke test are divided into two devices, resulting in high testing costs, low integration, poor applicability to cylinders of different specifications, and inability to limit and fix.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cylinder air tightness and stroke test integrated machine, comprising a bottom plate and a top plate, characterized in that: a scale track is provided in the middle of the bottom plate, a movable support seat is adapted to be provided on the surface of the scale track, a limit plate is fixedly connected to the left end of the movable support seat, and a movable groove is provided at the upper end of the movable support seat, and a pair of selection seats are provided in the groove of the movable groove;

[0007] A top plate, a linear rail is centrally arranged at the lower end of the top plate, a pair of linear rail assemblies are adapted to be arranged on the surface of the linear rail, the lower end of the linear rail assembly is fixedly connected to the cylinder adapter block, and the lower end of the cylinder adapter block is fixedly connected to the cylinder assembly.

[0008] As a preference, the piston rod of the cylinder assembly is fixedly connected to an adapter, and a plug is provided at the lower end of the adapter.

[0009] As a preferred embodiment, linear rail limit blocks are symmetrically provided at the left and right ends of the linear rail, and the linear rail limit blocks are fixedly connected to the top plate near the upper side of one end of the linear rail.

[0010] As a preference, a component box is provided at the right position of the upper end of the top plate, and the rear end of the top plate is fixedly connected to the solenoid valve, and rod mounting seats a are provided at the four corners of the upper and lower ends of the top plate.

[0011] As a preference, rod mounting seats b are provided at the four corners of the upper end of the base plate, supporting feet are provided at the four corners of the lower end of the base plate, and two button switches are provided at the front side of the upper end of the base plate.

[0012] As a preferred embodiment, a support shaft is provided between the rod mounting seat b and the rod mounting seat a, and a C-shaped groove is provided at the upper end of the selection seat.

[0013] Beneficial effects of the utility model:

[0014] (1) In the utility model, a pair of selection seats are arranged on the movable support seat. The device is equipped with 5 kinds of selection seats. It is only necessary to place the selection seat of the appropriate specification on the movable groove of the movable support seat and adjust the distance between the selection seats so that each kind of cylinder can be limited and fixed.

[0015] (2) In the utility model, a scale track is provided, and the scale track is provided starting from the right end position opposite to the limit plate, which is conducive to intuitively reading the stroke distance of the cylinder piston rod without the need for additional measuring instruments, making the test more convenient and simple.

[0016] (3) In the utility model, by providing a linear rail and a plugging head, the plugging head can be accurately plugged according to the position of the air holes on different cylinders, which helps to improve the accuracy of the cylinder air tightness test.

[0017] In summary, the device has the advantages of simple structure, integration of air tightness and stroke testing, and high applicability, and is particularly suitable for the technical field of cylinder performance testing equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a structural schematic diagram of the cylinder air tightness and stroke test integrated machine.

[0020] Figure 2 This is a schematic diagram of the structure of part A of the cylinder air tightness and stroke test machine.

[0021] Figure 3 This is a schematic diagram of the top plate part, viewed from above. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings.

[0023] Embodiment 1

[0024] like Figures 1 to 3 As shown, the utility model provides a cylinder air tightness and stroke test integrated machine, including a bottom plate 1 and a top plate 2, characterized in that: a scale track 3 is provided in the middle of the bottom plate 1, and a length scale is symmetrically provided on the upper surface of the scale track 3 in front and back, and the position aligned with the right end of the limit plate 41 is set as the initial scale 0, because the stroke test of the cylinder is mainly to check whether the piston rod moves smoothly along the cylinder barrel without obstruction, and whether its actual stroke length conforms to the marked stroke range, and the scale track 3 can intuitively and clearly display the actual stroke length of the piston rod in the test, without the need for special measuring tools, which is simple and convenient, and the surface of the scale track 3 is adapted to be provided with a movable The movable support seat 4 provides an installation position for the limit plate 41 and the selection seat 43. The left end of the movable support seat 4 is fixedly connected to the limit plate 41 to limit the position of the left end of the cylinder. The cylinder should be close to the limit plate 41 during testing to ensure the accuracy of the scale reading. The upper end of the movable support seat 4 is provided with a movable groove 42 to limit the placement position of the selection seat 43. A pair of selection seats 43 are provided in the groove of the movable groove 42. The equipment is equipped with 5 specifications of selection seats 43. It is only necessary to place the selection seat 43 of the appropriate specification on the movable groove 42 of the movable support seat 4, and adjust the spacing between the selection seats 43 so that each specification of the cylinder can be limited and fixed;

[0025] A top plate 2, a linear rail 5 is provided in the center of the lower end of the top plate 2, which is used to support and guide the moving parts to perform reciprocating linear motion in a given direction. The surface of the linear rail 5 is adapted to be provided with a pair of linear rail assemblies 51, and the linear rail assemblies 51 form reciprocating linear motion on the linear rail 5. The lower end of the linear rail assembly 51 is fixedly connected to the cylinder adapter block 52, so that the connection between the linear rail assembly 51 and the cylinder assembly 53 is more firm and reliable. The lower end of the cylinder adapter block 52 is fixedly connected to the cylinder assembly 53. The extension and retraction of the piston rod on the cylinder assembly 53 can adjust the distance between the plug head 55 and the cylinder placed on the selection seat 43.

[0026] Further, if Figure 3 As shown, the piston rod of the cylinder assembly 53 is fixedly connected to the adapter 54, so that the connection between the adapter 54 and the plugging head 55 is firm. The plugging head 55 is provided at the lower end of the adapter 54 for plugging the air hole of the cylinder to be tested without manual plugging, thereby improving the test efficiency of the air tightness of the cylinder.

[0027] Further, if Figure 1 As shown, linear rail limit blocks 56 are symmetrically provided at the left and right ends of the linear rail 5 to limit the moving position of the linear rail assembly 51 and prevent the linear rail assembly 51 from separating from the linear rail 5. The linear rail limit block 56 is fixedly connected to the top plate 2 near the upper side of one end of the linear rail 5. The linear rail limit plate 56 is fixed on the top plate 2, and the linear rail limit plate 56 and the linear rail 5 are not fixedly connected.

[0028] Furthermore, a component box 6 is provided at the right side of the upper end of the top plate 2 to increase the thickness of the top plate 2 and the installation space of the components required for the normal operation of the magnetic linear guide rail, and the rear end of the top plate 2 is fixedly connected to the solenoid valve 7 for controlling the operation of the linear rail 5 and the linear rail assembly 51, and rod mounting seats a21 are provided at the four corners of the upper and lower ends of the top plate 2 to provide a basis for the installation of the support shaft 8.

[0029] Further, if Figure 1 As shown, rod mounting seats b11 are provided at the four corners of the upper end of the base plate 1 to provide a basis for the installation of the support shaft 8, and supporting feet 12 are provided at the four corners of the lower end of the base plate 1 to increase the height of the base plate 1 from the ground, and two button switches 13 are provided at the front side of the upper end of the base plate 1 to control the operation of the entire test machine.

[0030] Furthermore, a support shaft 8 is provided between the rod mounting seat b11 and the rod mounting seat a21, and the support shaft 8 stably supports the top plate 2, so that a stable space is formed between the top plate 2 and the bottom plate 1 to perform a cylinder air tightness test box cylinder stroke test. A C-shaped groove 44 is provided on the upper end of the selection seat 43 to limit the placement position of the cylinder to be tested to prevent the cylinder from shifting forward and backward.

[0031] Working process: first select a selection seat 43 of suitable specifications and place it on the movable groove 42, place the cylinder to be tested on the C-shaped groove 44 on the selection seat 43 and abut its left end against the limit plate 41, then adjust the distance between a pair of selection seats 43 so that the cylinder to be tested is placed stably; further, perform a cylinder stroke test on the cylinder to be tested, read the corresponding scale on the scale track 3, calculate the actual stroke of the cylinder and determine whether it is within the marked stroke range and whether it is qualified; further, turn on the button switch 13 to make the solenoid valve 7 work, and the linear rail assembly 51 changes its position on the linear rail 5 so that the plugging head 55 is aligned with the air hole of the cylinder to be tested; further, the cylinder assembly 53 works to drive the plugging head 55 to plug the air hole downward, and then perform an air tightness test on the cylinder.

[0032] In the description of the present invention, it should be understood that the terms "front and back", "left and right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the utility model.

[0033] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0034] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A cylinder air tightness and stroke tester, comprising a bottom plate (1) and a top plate (2), characterized in that: A graduated track (3) is provided in the middle of the base plate (1), a movable support seat (4) is adapted to be provided on the surface of the graduated track (3), the left end of the movable support seat (4) is fixedly connected to a limit plate (41), and a movable groove (42) is provided at the upper end of the movable support seat (4), and a pair of selection seats (43) are provided in the groove of the movable groove (42); A top plate (2), wherein a linear rail (5) is centrally disposed at the lower end of the top plate (2), a pair of linear rail assemblies (51) are adapted to be disposed on the surface of the linear rail (5), the lower end of the linear rail assembly (51) is fixedly connected to a cylinder adapter block (52), and the lower end of the cylinder adapter block (52) is fixedly connected to a cylinder assembly (53).

2. The integrated cylinder air tightness and stroke tester according to claim 1, characterized in that: The piston rod of the cylinder assembly (53) is fixedly connected to an adapter (54), and a plug (55) is provided at the lower end of the adapter (54).

3. The integrated cylinder air tightness and stroke tester according to claim 1, characterized in that: Linear rail limit blocks (56) are symmetrically provided at the left and right ends of the linear rail (5), and the linear rail limit blocks (56) are fixedly connected to the top plate (2) near the upper side of one end of the linear rail (5).

4. The integrated cylinder air tightness and stroke tester according to claim 1, characterized in that: A component box (6) is provided at the right side of the upper end of the top plate (2), and the rear end of the top plate (2) is fixedly connected to a solenoid valve (7), and rod mounting seats a (21) are provided at the four corners of the upper and lower ends of the top plate (2).

5. The integrated cylinder air tightness and stroke tester according to claim 1, characterized in that: Rod mounting seats b (11) are provided at the four corners of the upper end of the base plate (1), supporting feet (12) are provided at the four corners of the lower end of the base plate (1), and two button switches (13) are provided at the front side of the upper end of the base plate (1).

6. The integrated cylinder air tightness and stroke tester according to claim 5, characterized in that: A support shaft (8) is provided between the rod mounting seat b (11) and the rod mounting seat a (21), and a C-shaped groove (44) is provided at the upper end of the selection seat (43).

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