Shell sealing test bench

Abstract

The utility model relates to the technical field of sealing test tables, and discloses a shell sealing test table which comprises a supporting table plate and further comprises a positioning assembly which is arranged at the bottom of an upper pressing plate and facilitates disassembly and assembly of an upper clamp plate. And the lifting assembly is arranged in the quadrilateral enclosure frame and can be used for quickly adjusting the height position of the pressing assembly. The pressing assembly is driven by the lifting assembly to get close to the transfer case shell, and the whole positioning of the transfer case shell is realized by matching with the plugging positioning pin; the opening in the outer side of the transfer case shell can be sealed through the plugging cover, at the moment, the compression spring is in a compressed state, the sleeve inner rod slides towards the interior of the fixing cylinder, the pressing force is easy to control, and therefore the plugging process is simplified, the plugging difficulty is lowered, and the labor burden of workers is relieved; and through the limiting assembly, the situation that the overall pressing assembly descends excessively, and positioning and fixing work of the transfer case shell is affected can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing test benches, in particular to a shell sealing test bench. Background Art

[0002] New energy vehicles refer to new types of vehicles that use unconventional gasoline or diesel as their power source. The transfer case, as one of the main components of new energy vehicles, is usually located in the transmission system of the vehicle. Its main function is to distribute the power of the engine. In order to ensure the high-quality service of each aluminum alloy part of the new energy vehicle P33 transfer case, its air test chamber needs to be inflated with 100Kpa for air tightness testing, and the leakage value cannot exceed 12ml / min, otherwise it will be considered unqualified.

[0003] When using an existing housing sealing test bench, workers generally seal the opening on the transfer case housing by fixing a sealing cover and a sealing gasket with screws. This sealing method is relatively cumbersome to operate, the sealing cover installation efficiency is low, and the tightening force of the screws is difficult to control. Excessive force can easily cause the sealing gasket to shift, which will affect the final test results and is not conducive to the acquisition of transfer case housing data. Utility Model Content

[0004] The purpose of the present utility model is to provide a shell sealing test bench to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a shell sealing test bench, comprising a support table, the top of the support table is fixedly connected to a lower fixture plate, both sides of the support table are fixedly connected to side plates, an upper fixture plate is provided above the lower fixture plate, an upper pressure plate is provided on the top of the upper fixture plate, a top plate is provided above the upper pressure plate, the bottom of the top plate is connected to the side plates, a quadrilateral frame is fixedly connected to the top of the top plate, a support plate is vertically installed on one side of one side of the side plates, an electric control box is fixedly connected to the top of the support plate, a controller is installed inside the electric control box, the controller is a PLC controller, reinforcing plates are provided at the bottom of both ends of the support plate, and the reinforcing plates are respectively connected to the support plate and the side plates, and further comprising:

[0006] A positioning assembly is provided at the bottom of the upper pressing plate to facilitate the disassembly and assembly of the upper fixture plate. A bottom plate is provided under the support plate, and the bottom plate is connected to the side plates on both sides. A clamping assembly is provided at the bottom of the upper fixture plate to facilitate positioning and fixing the shell to be tested on the top of the lower fixture plate;

[0007] A lifting assembly is arranged inside the quadrilateral frame to quickly adjust the height position of the clamping assembly. A limit assembly is provided on the outside of the lower fixture plate to stop the clamping assembly after reaching the specified position. The lifting assembly is connected to the controller terminal through a data cable.

[0008] Preferably, the positioning assembly includes an L-shaped baffle arranged on the outside of the upper clamp plate, the top of the L-shaped baffle is connected to the upper pressure plate, positioning screw holes are opened at the bottom of both sides of the upper clamp plate, and the bottom of the L-shaped baffle is provided with a locking bolt corresponding to the positioning screw hole, and the threaded end of the locking bolt passes through the L-shaped baffle and is spirally connected to the positioning screw hole.

[0009] Preferably, the clamping assembly includes a mounting seat arranged at the bottom of the upper clamp plate, and the mounting seat is provided with multiple, the top of the mounting seat is connected to the upper clamp plate, the bottom of the mounting seat is provided with a boss, and a fixing cylinder is provided under the boss, the inside of the fixing cylinder is slidably connected to a sleeve inner rod, the top of the sleeve inner rod is connected to the boss, and a compression spring is coaxially provided on the periphery of the sleeve inner rod, and the compression spring is respectively connected to the fixing cylinder and the boss, and the bottom of the fixing cylinder is fixedly connected to a clamping rod, and multiple blocking covers are provided above the lower clamp plate, and the blocking covers are fixedly installed on the bottom of the clamping rod, and the outer side of the sleeve inner rod is fixedly connected to an annular slider, and an annular groove corresponding to the annular slider is opened on the inner wall of the fixing cylinder, and the annular slider is located in the annular groove.

[0010] Preferably, a marking head bracket is fixedly connected to the top edge of the lower fixture plate, and a plurality of blocking positioning pins are provided on one side of the marking head bracket, and the bottoms of the blocking positioning pins are connected to the lower fixture plate.

[0011] Preferably, the lifting assembly includes a gas-liquid booster cylinder arranged inside a quadrilateral frame, the gas-liquid booster cylinder is fixedly mounted on the top plate, the bottom end of the gas-liquid booster cylinder passes through the top plate and is connected to the upper pressure plate, sliding rods are vertically installed at the four corners of the top of the upper pressure plate, the top end of the sliding rod passes through to the outside of the top plate, and the gas-liquid booster cylinder is connected to the controller terminal through a data cable.

[0012] Preferably, the limit assembly includes an upper limit column arranged on the outside of the upper clamp plate, and there are multiple upper limit columns. The top of the upper limit column is connected to the upper pressure plate, and a lower limit column corresponding to the upper limit column is provided on the outside of the lower clamp plate, and the bottom end of the lower limit column is connected to the support table.

[0013] Preferably, an adjustment button is provided on one side of the quadrilateral frame, and the adjustment button is connected to the controller terminal through a data cable. A liquid crystal touch screen is provided on one side of the adjustment button, and the liquid crystal touch screen is fixedly mounted on the quadrilateral frame. The liquid crystal touch screen and the controller are connected through a digital display.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] The utility model drives the pressing assembly to approach the transfer case housing through the lifting assembly, and then cooperates with the blocking positioning pin to realize the overall positioning of the transfer case housing; the opening on the outside of the transfer case housing can be sealed by the blocking cover, at which time the compression spring is in a compressed state, the inner rod of the sleeve slides toward the inside of the fixed cylinder, and the pressing force is easy to control, which simplifies the blocking process, reduces the blocking difficulty, and alleviates the labor burden of the staff; the limiting assembly can prevent the overall downward movement of the pressing assembly from affecting the positioning and fixing work of the transfer case housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the shell sealing test bench provided by the utility model;

[0017] Figure 2 A schematic diagram of the lifting assembly structure provided by the utility model;

[0018] Figure 3 A schematic diagram of the positioning assembly structure provided by the utility model;

[0019] Figure 4 This is a schematic structural diagram of the compression assembly provided by the utility model.

[0020] Figure: 1, side panel; 2, bottom panel; 3, support plate; 4, top panel; 5, quadrilateral frame; 6, support plate; 7, reinforcement plate; 8, electric control box; 9, LCD touch screen; 10, adjustment button; 11, upper pressure plate; 12, positioning assembly; 121, L-shaped baffle; 122, positioning screw hole; 123, locking bolt; 13, upper fixture plate; 14, marking head bracket; 15, blocking positioning pin; 16 , clamping assembly; 161, fixing cylinder; 162, inner rod of sleeve; 163, boss; 164, mounting seat; 165, compression spring; 166, annular slide; 167, annular slider; 168, clamping rod; 169, blocking cover; 17, limiting assembly; 171, upper limit column; 172, lower limit column; 18, lower fixture plate; 19, lifting assembly; 191, gas-liquid booster cylinder; 192, sliding rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4The cam 18 is a kind of frame that is fixed on the cam 16 of the present invention, and the cam 16 of the present invention is fixed on the cam 16. The whole is disassembled and assembled, which is convenient for inspection and maintenance of the upper fixture plate 13 and external components; a base plate 2 is provided under the support table 3, and the base plate 2 is connected to the side plates 1 on both sides respectively. A clamping assembly 16 is provided at the bottom of the upper fixture plate 13 for facilitating the positioning and fixing of the shell to be tested on the top of the lower fixture plate 18. By setting the clamping assembly 16, the transfer case shell can be quickly positioned and fixed, which facilitates the rapid sealing of the outer opening of the transfer case shell; a lifting assembly 19 is provided inside the quadrilateral frame 5 for quickly adjusting the height position of the clamping assembly 16. By setting the lifting assembly 19, the clamping assembly 16 can be driven to move close to or away from the transfer case shell located at the top of the lower fixture plate 18, which is conducive to the sealing test of the transfer case shell; a limit assembly 17 is provided on the outside of the lower fixture plate 18, which can stop the clamping assembly 16 after reaching the specified position. By setting the limit assembly 17, the clamping assembly 16 can be prevented from falling excessively as a whole and affecting the positioning and fixing work of the transfer case shell; the lifting assembly 19 is connected to the controller terminal through a data line.

[0023] The positioning assembly 12 includes an L-shaped baffle 121 arranged on the outside of the upper fixture plate 13. The top of the L-shaped baffle 121 is connected to the upper pressure plate 11. Positioning screw holes 122 are opened on the bottom of both sides of the upper fixture plate 13. The bottom of the L-shaped baffle 121 is provided with locking bolts 123 corresponding to the positioning screw holes 122. The threaded end of the locking bolt 123 passes through the L-shaped baffle 121 and is spirally connected to the positioning screw holes 122. Figure 2 、 Figure 3 As shown, by providing the positioning screw holes 122 and the locking bolts 123 , it is convenient for the staff to disassemble and assemble the upper fixture plate 13 as a whole, and to perform maintenance and repair on the clamping assembly 16 at the bottom of the upper fixture plate 13 .

[0024] The clamping assembly 16 includes a mounting seat 164 provided at the bottom of the upper fixture plate 13. The mounting seat 164 is provided with a plurality of mounting seats. The top of the mounting seat 164 is connected to the upper fixture plate 13. A boss 163 is provided at the bottom of the mounting seat 164. A fixing cylinder 161 is provided below the boss 163. A sleeve inner rod 162 is slidably connected inside the fixing cylinder 161. The top of the sleeve inner rod 162 is connected to the boss 163. A compression spring 165 is coaxially provided on the outer periphery of the sleeve inner rod 162. The compression spring 165 is provided on the outer periphery of the sleeve inner rod 162. 65 are connected to the fixed cylinder 161 and the boss 163 respectively. The bottom of the fixed cylinder 161 is fixedly connected to a pressing rod 168. A plurality of blocking covers 169 are provided above the lower clamp plate 18. The blocking covers 169 are fixedly installed at the bottom of the pressing rod 168. The outer side of the inner rod 162 of the sleeve is fixedly connected to an annular slider 167. An annular groove 166 corresponding to the annular slider 167 is opened on the inner wall of the fixed cylinder 161. The annular slider 167 is located in the annular groove 166. Figure 2 、 Figure 3 As shown, multiple clamping assemblies 16 are arranged at the bottom of the upper clamp plate 13 according to the structure of the transfer case housing, so that the transfer case housing can be quickly positioned and fixed in a targeted manner. After the transfer case housing is positioned and fixed on the top of the lower clamp plate 18, the sealing cover 169 can be used to seal the opening on the outside of the transfer case housing. At this time, the compression spring 165 is in a compressed state, and the inner rod 162 of the sleeve slides toward the inside of the fixed cylinder 161. The clamping force is easy to control, which simplifies the sealing process, reduces the difficulty of sealing, and reduces the labor burden of the staff.

[0025] The top edge of the lower fixture plate 18 is fixedly connected to the marking head bracket 14. A plurality of blocking positioning pins 15 are provided on one side of the marking head bracket 14. The bottom of the blocking positioning pins 15 is connected to the lower fixture plate 18. Figure 2 、 Figure 3 As shown, by providing a marking head bracket 14, it can be used to fix and adjust the position of the laser marking head, so that the standard operation can be performed on the outside of the transfer case housing that has passed the test inspection. The blocking positioning pin 15 can be used to position and fix it from the bottom of the transfer case housing cavity, and the clamping assembly 16 is used to realize the overall positioning of the transfer case housing.

[0026] The lifting assembly 19 includes a gas-liquid booster cylinder 191 arranged inside the quadrilateral frame 5. The gas-liquid booster cylinder 191 is fixedly mounted on the top plate 4. The bottom end of the gas-liquid booster cylinder 191 passes through the top plate 4 and is connected to the upper pressure plate 11. Sliding rods 192 are vertically mounted on the four corners of the top of the upper pressure plate 11. The top end of the sliding rod 192 passes through the outside of the top plate 4. The gas-liquid booster cylinder 191 is connected to the controller terminal through a data line, such as Figure 1 、 Figure 2As shown, the gas-liquid booster cylinder 191 can drive the clamping assembly 16 to move closer to or away from the transfer case housing located on the top of the lower fixture plate 18, and the sliding rod 192 can make the lifting and lowering displacement of the clamping assembly 16 more stable and smooth, which is conducive to the transfer case housing sealing test.

[0027] The limiting assembly 17 includes an upper limit column 171 provided on the outer side of the upper fixture plate 13. There are multiple upper limit columns 171. The top of the upper limit column 171 is connected to the upper pressure plate 11. The outer side of the lower fixture plate 18 is provided with a lower limit column 172 corresponding to the upper limit column 171. The bottom end of the lower limit column 172 is connected to the support plate 3. Figure 2 、 Figure 3 As shown, by providing the upper limit post 171 and the lower limit post 172 , the clamping assembly 16 can stop descending after reaching the preset position, thereby preventing the clamping assembly 16 from descending excessively as a whole and affecting the positioning and fixing work of the transfer case housing.

[0028] An adjustment button 10 is provided on one side of the quadrilateral frame 5, and the adjustment button 10 is connected to the controller terminal through a data line. A liquid crystal touch screen 9 is provided on one side of the adjustment button 10, and the liquid crystal touch screen 9 is fixedly mounted on the quadrilateral frame 5. The liquid crystal touch screen 9 is connected to the controller through a digital display, such as Figure 1 、 Figure 2 As shown, the LCD touch screen 9 can be used to conveniently display the preset parameters of various electronic devices to the staff, making it convenient for the staff to adjust the preset parameters of various electronic devices, thereby improving convenience. The adjustment button 10 is used in conjunction with the controller to control the start and stop of other electronic devices. It should be noted that the wiring method and working principle of the adjustment button 10 and the controller are relatively mature in the existing technology and will not be elaborated on here.

[0029] Working principle: First, the staff places the transfer case housing to be tested on the top of the lower fixture plate 18, and then drives the clamping assembly 16 to approach the transfer case housing through the lifting assembly 19, and then cooperates with the blocking positioning pin 15 to realize the overall positioning of the transfer case housing, and then the blocking cover 169 can be used to seal the opening on the outside of the transfer case housing. At this time, the compression spring 165 is in a compressed state, and the inner rod 162 of the sleeve slides toward the inside of the fixed cylinder 161, and the clamping force is easy to control, which simplifies the blocking process, reduces the blocking difficulty, and reduces the labor burden of the staff. At the same time, during the descent of the clamping assembly 16, the limit assembly 17 can prevent the overall descent of the clamping assembly 16 from excessively affecting the positioning and fixing work of the transfer case housing.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shell sealing test bench, comprising a support plate (3), characterized in that: The top of the support platform (3) is fixedly connected to a lower fixture plate (18), and both sides of the support platform (3) are fixedly connected to side plates (1). An upper fixture plate (13) is provided above the lower fixture plate (18), and an upper pressure plate (11) is provided on the top of the upper fixture plate (13). A top plate (4) is provided above the upper pressure plate (11), and the bottom of the top plate (4) is connected to the side plates (1). The top of the top plate (4) is fixedly connected to a quadrilateral frame (5), and a support plate (6) is vertically installed on one side of one side of the side plates (1). The top of the support plate (6) is fixedly connected to an electric control box (8), and a controller is installed inside the electric control box (8), and the controller is a PLC controller. Reinforcement plates (7) are provided at the bottom of both ends of the support plate (6), and the reinforcement plates (7) are respectively connected to the support plate (6) and the side plates (1). The support plate (6) also includes: A positioning assembly (12) is provided at the bottom of the upper pressure plate (11) for facilitating the disassembly and assembly of the upper fixture plate (13); a bottom plate (2) is provided below the support platform (3); the bottom plate (2) is connected to the side plates (1) on both sides respectively; a clamping assembly (16) is provided at the bottom of the upper fixture plate (13) for facilitating the positioning and fixing of the shell to be tested on the top of the lower fixture plate (18); A lifting assembly (19) is arranged inside the quadrilateral frame (5) and can quickly adjust the height position of the pressing assembly (16). A limit assembly (17) is provided on the outside of the lower fixture plate (18) and can stop the pressing assembly (16) after reaching a specified position. The lifting assembly (19) is connected to the controller terminal via a data line.

2. The housing sealing test bench according to claim 1, characterized in that: The positioning assembly (12) includes an L-shaped baffle (121) arranged on the outside of the upper clamp plate (13), the top of the L-shaped baffle (121) is connected to the upper pressure plate (11), and positioning screw holes (122) are provided at the bottom of both sides of the upper clamp plate (13), and locking bolts (123) corresponding to the positioning screw holes (122) are provided at the bottom of the L-shaped baffle (121), and the threaded end of the locking bolt (123) passes through the L-shaped baffle (121) and is spirally connected to the positioning screw holes (122).

3. The housing sealing test bench according to claim 1, characterized in that: The clamping assembly (16) includes a mounting seat (164) arranged at the bottom of the upper clamp plate (13), and the mounting seat (164) is provided in plurality. The top of the mounting seat (164) is connected to the upper clamp plate (13), and the bottom of the mounting seat (164) is provided with a boss (163). A fixing cylinder (161) is provided below the boss (163). The fixing cylinder (161) is slidably connected to a sleeve inner rod (162). The top of the sleeve inner rod (162) is connected to the boss (163), and a compression spring (165) is coaxially provided on the periphery of the sleeve inner rod (162). The compression spring (165) is connected to the fixed cylinder (161) and the boss (163) respectively. The bottom of the fixed cylinder (161) is fixedly connected to a clamping rod (168). A plurality of blocking covers (169) are provided above the lower clamp plate (18). The blocking covers (169) are fixedly installed on the bottom of the clamping rod (168). The outer side of the inner rod (162) of the sleeve is fixedly connected to an annular slider (167). An annular groove (166) corresponding to the annular slider (167) is provided on the inner wall of the fixed cylinder (161). The annular slider (167) is located in the annular groove (166).

4. The housing sealing test bench according to claim 1, characterized in that: A marking head bracket (14) is fixedly connected to the top edge of the lower fixture plate (18), and a plurality of blocking positioning pins (15) are provided on one side of the marking head bracket (14), and the bottoms of the blocking positioning pins (15) are connected to the lower fixture plate (18).

5. The housing sealing test bench according to claim 1, characterized in that: The lifting assembly (19) includes a gas-liquid booster cylinder (191) arranged inside a quadrilateral frame (5), the gas-liquid booster cylinder (191) is fixedly mounted on the top plate (4), the bottom end of the gas-liquid booster cylinder (191) passes through the top plate (4) and is connected to the upper pressure plate (11), and sliding rods (192) are vertically mounted at the four corners of the top of the upper pressure plate (11), the top end of the sliding rod (192) passes through the outside of the top plate (4), and the gas-liquid booster cylinder (191) is connected to the controller terminal via a data line.

6. The housing sealing test bench according to claim 1, characterized in that: The limiting assembly (17) includes an upper limiting column (171) arranged on the outside of the upper clamp plate (13), and a plurality of the upper limiting columns (171) are provided. The top end of the upper limiting column (171) is connected to the upper pressure plate (11), and the outer side of the lower clamp plate (18) is provided with a lower limiting column (172) corresponding to the upper limiting column (171), and the bottom end of the lower limiting column (172) is connected to the support plate (3).

7. The housing sealing test bench according to claim 1, characterized in that: An adjustment button (10) is provided on one side of the quadrilateral frame (5), and the adjustment button (10) is connected to a controller terminal via a data line. A liquid crystal touch screen (9) is provided on one side of the adjustment button (10), and the liquid crystal touch screen (9) is fixedly mounted on the quadrilateral frame (5). The liquid crystal touch screen (9) is connected to the controller via a digital display.

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