CN213481643U

CN213481643U - Vacuum tire airtightness detection device

Info

Publication number: CN213481643U
Application number: CN202022881729.8U
Authority: CN
Inventors: 龙正恩; 张培宾; 马洪涛
Original assignee: Kunming Yunren Tire Manufacturing Co ltd
Current assignee: Kunming Yunren Tire Manufacturing Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-06-18
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a vacuum tire airtightness detection device, including the longmen support, horizontal support, the supporting disk, press from both sides tight dish, press from both sides tight drive arrangement, the both ends of horizontal support erect roof beam fixed connection with the both sides of longmen support respectively, the upper portion of horizontal support is upwards located to the supporting disk, the bottom or the lateral part of supporting disk are equipped with the air supply hole at intercommunication top and are connected with high-pressure gas supply system's gas-supply pipe, press from both sides tight drive arrangement and set firmly on the longmen support crossbeam on supporting disk upper portion and the downward directional tight dish that presss from both sides of actuating lever, press from both sides the bottom of tight dish and press from both sides tight drive arrangement's actuating. The utility model discloses a press from both sides tight drive arrangement drive and press from both sides tight dish and remove, make tire inner chamber form the enclosure space under the clamp of tight dish with the supporting disk presss from both sides tightly, through filling into compressed air in order to detect whether there is the crack or the nail hole of gas leakage on the tire surface, have simple structure, safe convenient, detect precision and efficient, characteristics that intensity of labour is little.

Description

Vacuum tire airtightness detection device

Technical Field

The utility model relates to a tire detects technical field, concretely relates to simple structure, safe convenient, detect precision and efficient, the little vacuum tire gas tightness detection device of intensity of labour.

Background

The quality of the tire is an important guarantee for ensuring the driving safety of motor vehicles and non-motor vehicles, and the strength and the air tightness of the tire are important factors for ensuring the use safety of the tire. The air tightness of the tire is related to the structure, the formula and the process, and the strength and the air tightness of the tire after molding and vulcanization need to be detected due to the difference between the raw material batch and the manufacturing process of a new tire, so that the strength of the material is graded and whether cracks, air holes or nail holes exist is detected, the components in the formula, the proportion of each component and process parameters can be adjusted and changed according to the detection result, the safety performance of a tire finished product can be better ensured, and the production yield can be improved.

The traditional method for detecting the air tightness of the tire is to place the tire in a basin or a groove filled with water, then manually or mechanically drive the tire to rotate, and observe the position where air bubbles appear through naked eyes or a camera so as to search an air leakage point and mark the air leakage point; in addition, a pressure gauge is adopted for direct detection, or a pressure and temperature sensor or a microphone is adopted for processing through a signal processing circuit for indirect detection; the detection methods are labor-consuming, complex in structure and complex to use, and generally only one tire can be detected at a time, so that the detection efficiency is low; particularly, the time for inflating and pressurizing the tire is limited, so that the local strength reduction caused by the defects of air holes, sand holes, impurities and the like in the tire is difficult to detect, and whether the strength of the tire is qualified or not cannot be determined, so that the subsequent use of the tire is influenced, and potential safety hazards are brought to the running of a motor vehicle. At present, vacuum tires have remarkable advantages and are widely applied to motor vehicles and non-motor vehicles, but the existing detection method needs to seal and inflate the inner side of the tire manually during detection, so that the working strength of detection personnel is high, and the detection efficiency is low due to the plugging process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, safe convenient, detect precision and efficient, the little vacuum child gas tightness detection device of intensity of labour.

The utility model discloses a realize like this: the gantry clamping device comprises a gantry support, a transverse support, a supporting disc, a clamping disc and a clamping driving device, wherein two ends of the transverse support are fixedly connected with vertical beams on two sides of the gantry support respectively, the supporting disc is upwards arranged on the upper portion of the transverse support, an air supply hole communicated with the top is formed in the bottom or the side portion of the supporting disc and is connected with an air pipe of a high-pressure air supply system, the clamping driving device is fixedly arranged on a gantry support cross beam on the upper portion of the supporting disc, a driving rod points downwards to the clamping disc, the bottom of the clamping disc is fixedly connected or hinged with the driving rod of the clamping driving device, and the clamping disc is coaxial with.

The utility model has the advantages that:

1. the utility model discloses an upper and lower opposition erection bracing dish and clamping disk to press from both sides tight dish of tight drive arrangement drive and reciprocate and press from both sides tight tire with the supporting disk cooperation and detect, can be convenient for the installation of tire on the supporting disk and take labour saving and time saving after pressing from both sides tight dish rebound.

2. The utility model discloses a tire inner chamber that awaits measuring can form the enclosure space automatically under the clamp of tight dish of clamp and supporting disk presss from both sides, and the gas-supply pipe through the supporting disk bottom fills gas tightness and the intensity that compressed air just can detect the tire, and the inboard needs the manual work to seal and the working strength that leads to is big when having avoided vacuum child to detect, detection efficiency low problem, and the tire that can be according to different specifications just can the adaptation through adjustment clamp drive arrangement's volume of pushing down, uses in a flexible way and the adaptation face is wider.

3. The utility model discloses a press from both sides tight drive arrangement drive clamping disk downstream and supporting disk cooperation clamping tire, realize following both sides location tire and form the enclosure space at its inner chamber, the tire is in non-dynamic equilibrium state during the detection, not only detect precision and security higher, and can set for highly compressed holding time in the tire as required, thereby can effectively detect out because of the gas pocket, sand eye, the local intensity that defect such as mix with leads to reduces the problem, consequently, can be used to the detection of tire gas tightness and intensity, the tire security after the detection obtains reliable guarantee.

Therefore, the utility model has the characteristics of simple structure, safe convenient, detection precision and efficient, intensity of labour is little.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is a third schematic view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 taken along line A-A;

FIG. 5 is an enlarged view of a portion of the cross-section taken along line B-B of FIG. 3;

FIG. 6 is a fourth schematic view of the present invention;

in the figure: 1-gantry support, 2-transverse support, 3-support plate, 3-1-air supply hole, 3-2-sealing ring, 4-clamping plate, 4-1-locking key part, 5-clamping driving device, 6-air pipe, 7-sleeve I, 8-guide rod I, 9-sleeve II, 10-guide rod II, 11-spring, 12-locking rod, 12-1-locking key part, 13-guide sleeve and 14-locking driving device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the utility model discloses a gantry support 1, horizontal support 2, supporting disk 3, press from both sides tight dish 4, press from both sides tight drive arrangement 5, the both ends of horizontal support 2 erect roof beam fixed connection with gantry support 1's both sides respectively, supporting disk 3 upwards sets up in the upper portion of horizontal support 2, the bottom or the lateral part of supporting disk 3 are provided with the air supply hole 3-1 at intercommunication top and are connected with high-pressure gas supply system's gas-supply pipe 6, press from both sides tight drive arrangement 5 and fix and set up on gantry support 1 crossbeam on supporting disk 3 upper portion and the downward directional tight dish 4 that presss from both sides of actuating lever, press from both sides the bottom of tight dish 4 and press from both sides tight drive arrangement 5's actuating lever fixed connection or articulated, it.

The air delivery pipe 6 is provided with a check valve, the bottom of the support disc 3 is fixedly provided with a pressure gauge communicated with the top, or the air delivery pipe 6 is provided with a pressure gauge between an air supply hole 3-1 interface and the check valve.

The top of the support disc 3 and/or the bottom of the clamping disc 4 is provided with at least one tyre shaping groove of different diameter.

The air supply hole 3-1 is communicated with the inner side disc surface of the innermost tire shaping groove at the top of the supporting disc 3.

As shown in fig. 2, at least one sleeve i 7 is fixedly arranged at the lower end of the cross beam of the gantry support 1 at the side of the clamping disc 4, and a guide rod i 8 which is slidably connected with the inner wall of the sleeve i 7 is fixedly arranged at the top end of the clamping disc 4.

The upper end of the transverse support 2 is fixedly provided with at least one sleeve II 9 on the lateral part of the support plate 3, the bottom end of the support plate 3 is fixedly provided with a guide rod II 10 in sliding connection with the inner wall of the sleeve II 9, and the sleeve II 9 and the guide rod II 10 are sleeved with a spring 11.

As shown in fig. 3, 4 and 5, the supporting disc 3 is vertically and coaxially provided with a through hole i in a penetrating manner, a locking rod 12 is slidably arranged in the through hole i, a guide sleeve 13 is coaxially and fixedly arranged on a transverse support 2 at the lower part of the through hole i, the lower part of the locking rod 12 is slidably connected with the inner wall of the guide sleeve 13, a locking hole is arranged at the lower part of the side wall of the guide sleeve 13, the lower end of the locking rod 12 is hinged with a driving rod of a locking driving device 14 transversely arranged on the transverse support 2, the upper end of the locking rod 12 extends out of the end surface of the supporting disc 3 and is provided with a locking key part 12-1, the bottom end of the clamping disc 4 is upwards provided with a T-shaped blind hole structure, and the locking key part.

The locking key part 12-1 is a non-circular structure with the minimum diameter larger than the connecting rod at the bottom, the bottom of the T-shaped structure of the locking key part 4-1 is consistent with the structure of the locking key part 12-1, and the top of the T-shaped structure of the locking key part 4-1 is an annular cavity with the diameter larger than the maximum diameter of the locking key part 12-1.

The locking key part 12-1 is in an oval, T-shaped, triangular, square or special-shaped structure.

At least one sealing ring 3-2 connected with the outer wall of the locking rod 12 in a sliding mode is arranged in the through hole I.

The body of the locking drive device 14 is hinged to the transverse support 2.

The clamping driving device 5 and/or the locking driving device 14 are cylinders or oil cylinders, and the driving rod of the clamping driving device 5 and/or the locking driving device 14 is a piston rod.

As shown in fig. 6, a support plate 3, a clamping plate 4, a clamping driving device 5, a sleeve i 7 and a guide rod i 8, a sleeve ii 9 and a guide rod ii 10, a spring 11, a locking rod 12, a locking driving device 14 and a locking key part 4-1 are symmetrically arranged on the gantry support 1 at the lower end of the transverse support 2 and are matched with each other.

The working process of the utility model is as follows:

as shown in fig. 3, 4 and 5, before operation, according to the parameters of the structure, specification and the like of the vacuum tire to be detected, the corresponding supporting disc 3 and clamping disc 4 are selected and fixed. When the tire clamping device works, a tire to be detected is placed on the supporting plate 3, the inner edge of the tire to be detected is clamped on the tire shaping groove or positioned outside the tire shaping groove, then the switch is started, the clamping plate 4 moves downwards under the driving of the air cylinder 5, and the tire is clamped under the combined action of the spring 11 at the bottom of the supporting plate 3; meanwhile, a locking key part 12-1 of a locking rod 12 in the middle of the supporting disk 3 passes through a corresponding structure at the bottom of a locking key part 4-1 with a T-shaped structure in the clamping disk 4 along with the downward movement of the clamping disk 4 and enters an annular cavity at the top; after the clamping disc 4 moves downwards to a certain position, the trigger cylinder 14 acts to push the locking rod 12 to rotate for an angle, so that a locking key part 12-1 of the locking rod 12 and a locking key part 4-1 of the clamping disc 4 form a vertical locking structure; after locking, the triggering air pipe 6 fills compressed air with preset pressure into the closed space in the tire through the air supply hole 3-1, then the tire is stopped and pressure is maintained for a period of time, and an operator can find out the air leakage part only by simple touch and judgment in the pressure maintaining process and at the end of pressure maintaining, so that the strength and the sealing performance of the detected tire can be directly and accurately concluded. After the detection is finished, an operator closes the switch, and each mechanism reversely acts according to the process, so that the detected tire can be taken out and put into a corresponding position, and the tire airtightness detection process is finished once. Meanwhile, the portal frame 1 is provided with a plurality of groups of detection devices, so that the intensity and air tightness of a plurality of tires can be detected in a matched manner while one person operates the vulcanizing machine, and the detection efficiency can be obviously improved.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A vacuum tire airtightness detection device is characterized by comprising a gantry support (1), a transverse support (2), a support plate (3), a clamping plate (4) and a clamping driving device (5), two ends of the transverse bracket (2) are respectively fixedly connected with the vertical beams at two sides of the gantry bracket (1), the supporting disk (3) is upwards arranged at the upper part of the transverse bracket (2), the bottom or the side part of the supporting disk (3) is provided with an air supply hole (3-1) communicated with the top and is connected with an air pipe (6) of a high-pressure air supply system, the clamping driving device (5) is fixedly arranged on a beam of the gantry support (1) at the upper part of the supporting disc (3) and a driving rod points downwards to the clamping disc (4), the bottom of the clamping disc (4) is fixedly connected or hinged with a driving rod of the clamping driving device (5), and the clamping disc (4) is coaxial with the supporting disc (3).

2. The vacuum tire airtightness detection apparatus according to claim 1, wherein the top of the support plate (3) and/or the bottom of the clamping plate (4) is provided with at least one tire shaping groove of different diameter.

3. The vacuum tire airtightness detection apparatus according to claim 2, wherein the air supply hole (3-1) communicates with an inside plate surface of the innermost tire shaping groove at the top of the support plate (3).

4. The vacuum tire airtightness detection apparatus according to claim 1, wherein at least one sleeve i (7) is fixedly provided at the lower end of the cross beam of the gantry support (1) at the side of the clamping disk (4), and a guide rod i (8) slidably connected to the inner wall of the sleeve i (7) is fixedly provided at the top end of the clamping disk (4).

5. The vacuum tire airtightness detection apparatus according to claim 1, 2, 3 or 4, wherein at least one sleeve II (9) is fixedly provided at the upper end of the transverse support (2) at the side portion of the support plate (3), a guide rod II (10) slidably connected with the inner wall of the sleeve II (9) is fixedly provided at the bottom end of the support plate (3), and the sleeve II (9) and the guide rod II (10) are sleeved with a spring (11).

6. The vacuum tire airtightness detection apparatus according to claim 5, wherein the support plate (3) is vertically and coaxially provided with a through hole I therethrough, a locking rod (12) is arranged in the through hole I in a sliding manner, a guide sleeve (13) is coaxially and fixedly arranged on the transverse bracket (2) at the lower part of the through hole I, the lower part of the locking rod (12) is connected with the inner wall of the guide sleeve (13) in a sliding way, the lower part of the side wall of the guide sleeve (13) is provided with a locking hole, the lower end of the locking rod (12) is hinged with a driving rod of a locking driving device (14) transversely arranged on the transverse bracket (2), the upper end of the locking rod (12) extends out of the end surface of the supporting disk (3) and is provided with a locking spoon part (12-1), the bottom end of the clamping disc (4) is upwards provided with a T-shaped blind hole structure, and the bottom of the clamping disc can pass through a locking key part (4-1) of a locking key part (12-1).

7. The vacuum tire airtightness detection apparatus according to claim 6, wherein the lock key portion (12-1) has a non-circular configuration with a minimum diameter larger than that of the bottom connecting rod, the bottom of the "T" shaped configuration of the lock key portion (4-1) conforms to the configuration of the lock key portion (12-1), and the top of the "T" shaped configuration of the lock key portion (4-1) has an annular cavity with a diameter larger than that of the maximum diameter of the lock key portion (12-1).

8. The vacuum tire airtightness detection apparatus according to claim 7, wherein the lock key portion (12-1) has an oval, "T" -shaped, triangular, square-shaped or irregularly shaped configuration.

9. The apparatus for testing airtightness of a vacuum tire according to claim 6, wherein at least one sealing ring (3-2) slidably connected to an outer wall of the locking bar (12) is provided in the through-hole I.

10. The vacuum tire airtightness detection apparatus according to claim 6, wherein the gantry support (1) is symmetrically provided at the lower end of the transverse support (2) with a support plate (3), a clamping plate (4), a clamping drive device (5), a sleeve i (7) and a guide rod i (8), a sleeve ii (9) and a guide rod ii (10) and a spring (11), a locking lever (12) and a locking drive device (14) and a locking key portion (4-1) which are fitted with each other.