Precise guiding structure for airtightness test

Abstract

The utility model provides an airtight test precision guide structure, which belongs to the technical field of guide structures and comprises a first fixing plate, a positioning plate, a cavity workpiece, a first clamping block, a second clamping block, a second fixing plate, a plurality of groups of guide components, a cavity sealing block, a fixing component, two groups of water channel sealing blocks, a limiting block and a plurality of groups of air pumps. The multiple groups of guide assemblies guarantee the accuracy and stability of movement of the first and second fixing plates, the guide precision is improved, different requirements of users can be met by adjusting the guide assemblies after airtight test operation, the applicability of the device is enhanced, the fixing assemblies can position and fix the cavity and the water channel sealing block in use, the sealing reliability is guaranteed, and the sealing effect is improved. In addition, through cooperation of the sealing assembly, the sealing device can adapt to size fluctuation of a sealing face, leakage is effectively prevented, an accurate airtightness test result is brought to a user, and the airtightness test accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of guiding structure, more specifically, it is particularly related to the precision guiding structure of airtight test. BACKGROUND

[0002] In the field of industrial production and manufacturing, the cavity is a commonly used key part, which is widely used in many industries such as machinery, electronics and chemical industry, so as to facilitate the user to realize the specific function, for example, storage, transmission of matter or energy, etc., however, the cavity on the market may have small pores or sealing not strictly after finishing, if the finished cavity is not tested for air tightness, leakage problem is easy to appear, which affects the quality and safety of the product, and further affects the whole production process and the performance of the final product, in order to avoid the occurrence of such situation, the air tightness testing tool is used for air tightness test, but the existing air tightness testing tool usually uses one-way limiting rod for guiding mechanism, in the process of mold closing, due to machining tolerance or assembly gap, it is easy to produce guiding deviation, which leads to misplacement of the cavity sealing ring, causing local deformation of the sealing ring to exceed the elastic limit, reducing the sealing reliability and accelerating the aging of the sealing ring, in addition, the existing air tightness testing tool usually uses integral sealing block to bear the main sealing of the cavity and the sealing of the water channel, lacking effective partition sealing and stable guiding structure, if the cavity and the water channel cannot be sealed independently and stably, they are easy to be affected by the size fluctuation of the sealing surface, leading to unstable tool sealing, causing misjudgment in the air tightness production process, reducing the reliability and accuracy of the traditional device. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a precision guiding structure for airtight test, to solve the technical problems of low guiding precision and poor sealing reliability of the air tightness testing tool in the prior art.

[0004] The purpose and effect of the precision guiding structure for airtight test of the utility model are achieved by the following specific technical means:

[0005] A precision guiding structure for airtight test, comprising a first fixed plate, a positioning plate is arranged on the top of the first fixed plate, a cavity workpiece is detachably connected to the top of the positioning plate, a sealing assembly is arranged on the cavity workpiece, a first clamping block and a second clamping block are arranged between the cavity workpiece and the positioning plate, a second fixed plate is arranged above the cavity workpiece, a plurality of guiding assemblies are arranged between the second fixed plate and the first fixed plate, a cavity sealing block is arranged between the second fixed plate and the cavity workpiece, a fixing assembly is arranged on the cavity sealing block, two groups of water channel sealing blocks and limiting blocks are respectively arranged between the cavity sealing block and the cavity workpiece, and a plurality of air pumps are arranged on the periphery of the cavity workpiece.

[0006] According to a preferred mode, the sealing assembly comprises a first sealing ring, the bottom of the first sealing ring is clamped in the positioning plate, the top of the first sealing ring is arranged in the cavity workpiece, and the second sealing ring is clamped between the cavity workpiece and the cavity sealing block.

[0007] According to a preferred mode, the bottoms of the two groups of water channel sealing blocks are clamped in the cavity workpiece, the third sealing ring is clamped between the cavity workpiece and the two groups of water channel sealing blocks, and the first sealing ring, the second sealing ring and the two groups of third sealing rings are made of rubber.

[0008] According to a preferred mode, the guiding assembly comprises a first limiting rod, the top of the first limiting rod is arranged in the second fixed plate, and the second limiting rod is arranged below the first limiting rod, and the bottom of the second limiting rod is clamped in the first fixed plate.

[0009] According to a preferred mode, the bottom of the first limiting rod is threadedly connected with an adjusting head, a plurality of limiting bolts are arranged between the adjusting head and the first limiting rod, and the plurality of limiting bolts are sleeved on the adjusting head.

[0010] According to a preferred mode, the guiding assembly further comprises a fixing seat, the fixing seat is detachably connected to the first fixed plate, a guide column is arranged in the fixing seat, and a first fixing block is arranged below the guide column.

[0011] According to a preferred mode, the first fixing block is clamped in the fixing seat, an inner sleeve is sleeved on the guide column, a spring and a guide ball are arranged between the inner sleeve and the guide column, and a fixing sleeve is arranged on the inner sleeve.

[0012] According to a preferred mode, the bottom of the fixing sleeve is sleeved with a limiting ring, the top of the fixing sleeve is clamped with a second fixing block, an outer sleeve is clamped between the second fixing block and the limiting ring, and the inner sleeve passes through the limiting ring and is arranged in the outer sleeve.

[0013] According to a preferred mode, the fixing assembly comprises a plurality of compression springs and a plurality of guide pull rods, the second fixed plate and the two groups of water channel sealing blocks are connected with the cavity sealing block through the plurality of compression springs and the plurality of guide pull rods, and the limiting block is arranged in the cavity sealing block.

[0014] According to a preferred mode, the plurality of air pumps are provided with a plurality of mounting kits, the plurality of mounting kits are arranged on the first fixed plate and the second fixed plate respectively, and one end of the plurality of air pumps is sealingly connected with the cavity workpiece respectively.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The utility model discloses through the setting of multiple groups of guide components, make sure that the user can guarantee the accuracy and stability of the movement of second fixed plate and first fixed plate, has promoted the guide precision of the device, when carrying out the air tight test operation, the user can be through the length and stability of the flexible adjustment of first limit rod with adjusting head and limiting bolt, make the user can carry out accurate adjustment according to actual demand, improved the applicability of the device.

[0017] 2、When using the device, the user can realize accurate positioning and close fixing of cavity sealing block and water channel sealing block through compression spring and guide pull rod, so that the user can ensure the reliability of sealing, improve the sealing performance of the device, then, through the setting of sealing assembly, the device can better adapt to the size fluctuation of sealing surface, effectively prevent leakage, bring accurate air tight test result for the user, improve the air tight test accuracy of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram after the utility model assembles;

[0019] Figure 2 It is the explosion structure schematic diagram of the utility model;

[0020] Figure 3 It is the front view structure schematic diagram of the utility model;

[0021] Figure 4 It is the side view structure schematic diagram of the utility model;

[0022] Figure 5 It is the cavity workpiece structure schematic diagram of the utility model;

[0023] Figure 6 It is the fixed assembly structure schematic diagram of the utility model;

[0024] Figure 7 It is the guide component cross section structure schematic diagram of the utility model;

[0025] Figure 8 It is the first clamping block and second clamping block structure schematic diagram of the utility model;

[0026] Figure 9 It is the sealing assembly structure schematic diagram of the utility model;

[0027] Figure 10 It is the cavity workpiece bottom view structure schematic diagram of the utility model;

[0028] Figure 11 It is the cavity sealing block structure schematic diagram of the utility model.

[0029] In the figure, the correspondence between the component names and the figure numbers is:

[0030] 11, first fixed plate; 12, positioning plate; 13, cavity workpiece; 14, first clamping block; 15, second clamping block; 16, second fixed plate; 17, cavity sealing block; 18, water channel sealing block; 19, limiting block; 20, air pump; 21, mounting kit; 101, first sealing ring; 102, second sealing ring; 103, third sealing ring; 201, first limiting rod; 202, second limiting rod; 203, adjusting head; 204, limiting bolt; 301, fixed seat; 302, guide column; 303, first fixed block; 304, inner bushing; 305, fixed sleeve; 306, limiting ring; 307, second fixed block; 308, outer bushing; 401, compression spring; 402, guide pull rod. DETAILED DESCRIPTION

[0031] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the technical scheme of the utility model, but cannot be used to limit the protection scope of the utility model.

[0032] Example:

[0033] As Figures 1 to 4 shown, the utility model provides airtight test precision guide structure, including first fixed plate 11, through the setting of first fixed plate 11, can provide firm bottom support for whole structure, so that the user can rest assuredly carry out subsequent operation, has promoted the stability of this structure, first fixed plate 11 top is provided with positioning plate 12, and positioning plate 12 top detachably connected with cavity workpiece 13, and the user can through positioning plate 12, to accurately position the installation position of cavity workpiece 13, so that the device can ensure the accuracy of cavity workpiece 13 installation, has improved installation precision, has promoted the convenience of user in installation operation, and cavity workpiece 13 and positioning plate 12 are provided with first clamping block 14 and second clamping block 15, through the setting of first clamping block 14 and second clamping block 15, can enhance the firmness of cavity workpiece 13 and positioning plate 12 connection, so that the user can avoid cavity workpiece 13 displacement in work, has promoted the reliability of device, and cavity workpiece 13 top is provided with second fixed plate 16, and the user can through second fixed plate 16, to fix and limit cavity workpiece 13 top, so that the device can keep the integrity of structure, has improved the integrity of device.

[0034] As Figure 2As shown, a plurality of guiding assemblies are arranged between the second fixing plate 16 and the first fixing plate 11, which can guide the relative movement between the second fixing plate 16 and the first fixing plate 11, so that the user can ensure the accuracy of the movement of the two, improve the guiding performance of the device, the guiding assembly comprises a first limiting rod 201, the top of the first limiting rod 201 is arranged in the second fixing plate 16, the user can limit the movement range of the second fixing plate 16 through the first limiting rod 201, so that the device can avoid excessive movement of the second fixing plate 16, improve the operation safety of the device, the lower side of the first limiting rod 201 is provided with a second limiting rod 202, the bottom of the second limiting rod 202 is clamped in the first fixing plate 11, which can further enhance the limitation and guidance of the movement of the second fixing plate 16, so that the user can ensure the stability of the movement of the second fixing plate 16, improve the working stability of the device.

[0035] The bottom of the first limiting rod 201 is threadedly connected with an adjusting head 203, the user can flexibly adjust the length of the first limiting rod 201 through the adjusting head 203, so that the device can adapt to different working requirements, improve the applicability of the device, a plurality of limiting bolts 204 are arranged between the adjusting head 203 and the first limiting rod 201, the plurality of limiting bolts 204 are sleeved on the adjusting head 203, through the arrangement of the plurality of limiting bolts 204, the connection between the adjusting head 203 and the first limiting rod 201 can be stabilized, so that the user can adjust the operation with confidence, improve the reliability of the device.

[0036] As shown in Figure 2 and Figure 7 The guiding assembly further comprises a fixing seat 301, the fixing seat 301 is detachably connected to the first fixing plate 11, a guide column 302 is arranged in the fixing seat 301, a first fixing block 303 is arranged below the guide column 302, the first fixing block 303 is clamped in the fixing seat 301, through the arrangement of the fixing seat 301, a stable installation basis can be provided for the guide column 302, so that the user can ensure the stability of the work of the guide column 302, improve the reliability of the guiding assembly, the user can conveniently install and disassemble and maintain through the fixing seat 301 on the first fixing plate 11, so that the device can improve the maintenance efficiency, improve the convenience of the user operation, through the arrangement of the guide column 302, the movement direction of the component can be accurately guided, so that the user can ensure the linearity of the movement of the component, improve the guiding accuracy of the device, the first fixing block 303 can enhance the stability of the structure, so that the user can avoid the loosening of the guide column 302, improve the durability of the device

[0037] The guide column 302 is sleeved with an inner sleeve 304, which can reduce the wear of the guide column 302 during movement, so that the user can prolong the service life of the guide column 302, and improve the durability of the device. The inner sleeve 304 is provided with a fixing sleeve 305, which can enhance the protection of the internal components, so that the user can avoid external interference to the internal components, and improve the stability of the device. The fixing sleeve 305 is sleeved with a limiting ring 306 at the bottom, and the fixing sleeve 305 is clamped with a second fixing block 307 at the top. The second fixing block 307 and the limiting ring 306 are clamped with an outer sleeve 308 therebetween. The limiting ring 306 can limit the movement range of the outer sleeve 308, so that the device can prevent damage caused by excessive movement, and improve the safety of the device. Through the second fixing block 307, the fixing sleeve 305 can be further fixed, so that the user can ensure the reliability of the fixing sleeve 305 in work, and improve the overall performance of the device. The user can enhance the structural strength through the outer sleeve 308, so that the device can withstand greater working load, and improve the carrying capacity of the device. The inner sleeve 304 is arranged in the outer sleeve 308 through the limiting ring 306, which can ensure the close fit between the components, so that the user can realize the stable operation of the device, and improve the working stability of the device. The inner sleeve 304 and the guide column 302 are provided with springs and guide balls. The guide balls produce relative rolling motion with the outer sleeve 308 and the guide column 302, and play a guiding role. At the same time, after one guiding cycle, the inner sleeve 304 is reset under the action of the spring force. Through this structure, the guiding and limiting are separated, and the test conditions of the tooling are improved.

[0038] As Figures 2 to 6As shown, a cavity sealing block 17 is provided between the second fixed plate 16 and the cavity workpiece 13. The cavity sealing block 17 can effectively prevent gas leakage, enabling users to ensure the accuracy of airtightness testing and improving the airtightness performance of the device. Two sets of water channel sealing blocks 18 and limiting blocks 19 are respectively provided between the cavity sealing block 17 and the cavity workpiece 13. Users can use the two sets of water channel sealing blocks 18 to enhance the sealing effect of the water channel, so that the device can avoid water channel leakage problems and improve the sealing reliability of the device. By setting the limiting blocks 19, the movement range of the components can be limited, enabling users to ensure the structural stability of the device and improve the operational safety of the device. The device is equipped with a fixing assembly, which includes multiple sets of compression springs 401 and multiple sets of guide rods 402. The second fixing plate 16 and the two sets of water channel sealing blocks 18 are connected to the cavity sealing block 17 through multiple sets of compression springs 401 and multiple sets of guide rods 402. The limiting block 19 is set inside the cavity sealing block 17. Through this structure, two relatively independent sealing surfaces can be formed. Different compression springs 401 provide uniform compression force, which ensures the tightness of the seal and improves the sealing effect of the device. The multiple sets of guide rods 402 can accurately guide the movement direction of the components, allowing the user to ensure the accuracy of component installation and improve the installation precision of the device.

[0039] like Figure 3 As shown, multiple sets of air pumps 20 are arranged around the periphery of the cavity workpiece 13, which can provide a stable air source for air tightness testing, enabling users to conduct air tightness testing efficiently and improving testing efficiency. Each set of air pumps 20 is equipped with a mounting kit 21, which allows users to securely install the air pumps 20, preventing the air pumps 20 from becoming loose during operation and improving the stability of the air pumps 20. The multiple sets of mounting kits 21 are respectively set on the first fixing plate 11 and the second fixing plate 16, which can reasonably allocate the installation position, allowing users to optimize the structural layout of the device and improve the space utilization of the device. One end of each set of air pumps 20 is sealed to the cavity workpiece 13 to ensure gas transmission without leakage, enabling users to obtain accurate air tightness test results and improving the accuracy of air tightness testing.

[0040] like Figure 2 and Figure 9As shown, a sealing assembly is provided on the cavity workpiece 13. The sealing assembly can effectively ensure the airtightness of the airtightness test, enabling the user to obtain reliable test results and improving the accuracy of the airtightness test. The sealing assembly includes a first sealing ring 101. The bottom of the first sealing ring 101 is locked in the positioning plate 12, and the top of the first sealing ring 101 is located in the cavity workpiece 13. The user can achieve the seal between the cavity workpiece 13 and the positioning plate 12 through the first sealing ring 101, so that the device can prevent gas from leaking from the connection and improve the sealing performance of the device. A second sealing ring 102 is locked between the cavity workpiece 13 and the cavity sealing block 17, which can ensure the firmness and sealing of the water channel sealing block 18, so that the user does not have to worry about it falling off or leaking air during the test, thus improving the stability of the device.

[0041] like Figures 8 to 11 As shown, the bottoms of the two sets of water channel sealing blocks 18 are respectively locked inside the cavity workpiece 13, which can effectively seal the water channel part, so that the user can avoid water channel leakage problems and improve the overall sealing effect of the device. A third sealing ring 103 is locked between the cavity workpiece 13 and the two sets of water channel sealing blocks 18. The first sealing ring 101, the second sealing ring 102 and the two sets of third sealing rings 103 are all made of rubber material, which can utilize the good elasticity and sealing properties of rubber to enable the user to obtain excellent sealing performance and improve the airtightness test quality of the device.

[0042] The specific usage and function of this embodiment are as follows:

[0043] When using this airtightness testing precision guide structure, the cavity workpiece 13 is first placed on the positioning plate 12 for precise positioning. Then, the first locking block 14 and the second locking block 15 enhance the stability of the connection between the cavity workpiece 13 and the positioning plate 12. Next, the second fixing plate 16 is connected to the first fixing plate 11 through the guide assembly. During this process, the first limiting rod 201 and the second limiting rod 202 restrict and guide the relative movement of the two, ensuring the accuracy and stability of the movement. The user can adjust the length of the first limiting rod 201 through the adjusting head 203 to adapt to different working requirements. At the same time, multiple sets of limiting bolts 204 ensure the reliability of the adjustment. The guide post 302 and its related components further ensure the accuracy and stability of the guidance. The inner bushing 304 reduces the wear of the guide post 302, the spring and guide ball make the movement smoother and more stable, and the fixing sleeve 305 and its related components enhance the stability and safety of the structure. After the second fixing plate 16 is installed, the cavity sealing block 17, the water channel sealing block 18 and the related sealing components come into play. The compression spring 401 provides uniform clamping force to ensure tightness of the seal, while the guide rod 402 ensures accurate component installation. During the airtightness test, multiple air pumps 20 provide a stable air source for the cavity workpiece 13. The mounting kit 21 ensures the stability of the air pump 20 installation, and the reasonable installation layout optimizes the structure of the device. In the entire sealing assembly, the first sealing ring 101 achieves the seal between the cavity workpiece 13 and the positioning plate 12, the second sealing ring 102 enhances the seal between the cavity workpiece 13 and the cavity sealing block 17, and the third sealing ring 103 ensures the seal of the water channel. The rubber sealing rings utilize their good elasticity and sealing performance to improve the quality and accuracy of the airtightness test.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments.

Claims

1. A precision guiding structure for airtightness testing, characterized in that: The device includes a first fixing plate (11), a positioning plate (12) on the top of the first fixing plate (11), a cavity workpiece (13) detachably connected to the top of the positioning plate (12), a sealing assembly on the cavity workpiece (13), a first locking block (14) and a second locking block (15) between the cavity workpiece (13) and the positioning plate (12), a second fixing plate (16) above the cavity workpiece (13), multiple sets of guide assemblies between the second fixing plate (16) and the first fixing plate (11), a cavity sealing block (17) between the second fixing plate (16) and the cavity workpiece (13), a fixing assembly on the cavity sealing block (17), two sets of water channel sealing blocks (18) and a limiting block (19) respectively between the cavity sealing block (17) and the cavity workpiece (13), and multiple sets of air pumps (20) around the cavity workpiece (13).

2. The precision guide structure for airtightness testing according to claim 1, characterized in that: The sealing assembly includes a first sealing ring (101), the bottom of which is engaged in the positioning plate (12), the top of which is engaged in the cavity workpiece (13), and a second sealing ring (102) is engaged between the cavity workpiece (13) and the cavity sealing block (17).

3. The precision guide structure for airtightness testing according to claim 2, characterized in that: The bottoms of the two sets of waterway sealing blocks (18) are respectively locked inside the cavity workpiece (13). A third sealing ring (103) is locked between the cavity workpiece (13) and the two sets of waterway sealing blocks (18). The first sealing ring (101), the second sealing ring (102) and the two sets of third sealing rings (103) are all made of rubber.

4. The precision guide structure for airtightness testing according to claim 1, characterized in that: The guide assembly includes a first limiting rod (201), the top of which is disposed within the second fixing plate (16), and a second limiting rod (202) is disposed below the first limiting rod (201), the bottom of which is engaged within the first fixing plate (11).

5. The precision guide structure for airtightness testing according to claim 4, characterized in that: The bottom of the first limiting rod (201) is threadedly connected to an adjusting head (203). Multiple sets of limiting bolts (204) are provided between the adjusting head (203) and the first limiting rod (201), and the multiple sets of limiting bolts (204) are all sleeved on the adjusting head (203).

6. The precision guide structure for airtightness testing according to claim 1, characterized in that: The guide assembly also includes a fixing seat (301), which is detachably connected to the first fixing plate (11). A guide post (302) is provided inside the fixing seat (301), and a first fixing block (303) is provided below the guide post (302).

7. The precision guide structure for airtightness testing according to claim 6, characterized in that: The first fixing block (303) is locked inside the fixing seat (301), the guide post (302) is fitted with an inner bushing (304), a spring and a guide ball are provided between the inner bushing (304) and the guide post (302), and a fixing sleeve (305) is provided on the inner bushing (304).

8. The precision guide structure for airtightness testing according to claim 7, characterized in that: The bottom of the fixed sleeve (305) is fitted with a limiting ring (306), the top of the fixed sleeve (305) is fitted with a second fixing block (307), an outer bushing (308) is fitted between the second fixing block (307) and the limiting ring (306), and the inner bushing (304) passes through the limiting ring (306) and is disposed inside the outer bushing (308).

9. The precision guide structure for airtightness testing according to claim 1, characterized in that: The fixing assembly includes multiple sets of compression springs (401) and multiple sets of guide rods (402). The second fixing plate (16) and the two sets of waterway sealing blocks (18) are connected to the cavity sealing block (17) through multiple sets of compression springs (401) and multiple sets of guide rods (402). The limiting block (19) is disposed inside the cavity sealing block (17).

10. The precision guide structure for airtightness testing according to claim 1, characterized in that: Each of the multiple sets of air pumps (20) is provided with an installation kit (21). The multiple sets of installation kits (21) are respectively installed on the first fixing plate (11) and the second fixing plate (16). One end of each of the multiple sets of air pumps (20) is respectively sealed and connected to the cavity workpiece (13).

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