Pressure testing equipment

Abstract

The utility model relates to a pressure test device, which is characterized in that a first servo up-down pressurization assembly and a second servo up-down pressurization assembly are arranged to respectively drive a first pressure seat and a second pressure seat to perform pressure test on a workpiece, and compared with the existing air cylinder or oil cylinder driving mode, the stroke control is more accurate, the pressure test is more stable, and the cost performance is high. During working, a workpiece is firstly arranged on the positioning mounting column in a sleeving mode, the first transverse moving assembly drives the first transverse moving seat to move, the workpiece moves to the position below the first pressure seat, the first servo up-down pressurizing assembly drives the first pressure seat to press downwards, first pressure testing is conducted on the workpiece, and after testing is finished, the first servo up-down pressurizing assembly and the first transverse moving assembly are reset; then the workpiece is placed between the two fixing plates, the transverse fastening assembly is ejected out, the workpiece is limited between the two fixing plates, the second servo up-and-down pressurizing assembly drives the second pressure seat to press downwards, and a second pressure test is carried out on the workpiece.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pressure test equipment technical field, concretely relates to a pressure test equipment. BACKGROUND

[0002] The existing pressure test equipment, mostly are through the oil cylinder or the cylinder ejection, drive the lower pressure head to workpiece pressure, for testing the workpiece's compression strength, adopt the oil cylinder or the cylinder pressure test exists a problem, the cost-effective oil cylinder and the cylinder stroke control is relatively unstable, easy in the process of pressure, more stroke leads to workpiece damage, make workpiece not in the pressure test range damage, cannot determine whether the workpiece is qualified, and the stroke accurate controllable oil cylinder and cylinder drive again relatively expensive, in view of this, thus had the generation of the present scheme. SUMMARY

[0003] In view of the prior art's insufficient, the utility model wants to solve the technical problem of providing a pressure test equipment, it adopts first servo up and down pressurizing component and second servo up and down pressurizing component to carry out pressure test, servo equipment stroke is controllable, and pressure is stable, and test effect is better.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme of a pressure test equipment, including first test module and second test module, the first test module includes first stamping frame, first servo up and down pressurizing component, first pressure seat, first horizontal displacement component and first horizontal displacement seat;

[0005] The first servo up and down pressurizing component is arranged on the surface of the first stamping frame, the first pressure seat is arranged at the output end of the first servo up and down pressurizing component, and the first servo up and down pressurizing component is used to drive the first pressure seat to move up and down;The upper surface of the first horizontal displacement seat is provided with a positioning mounting column, and the first horizontal displacement component is used to drive the first horizontal displacement seat to move close to or away from the first stamping frame;

[0006] The second test module includes second stamping frame, second servo up and down pressurizing component, second pressure seat, first base and horizontal fastening component;The second servo up and down pressurizing component is arranged on the surface of the second stamping frame, the second pressure seat is arranged at the output end of the second servo up and down pressurizing component, the first base is arranged below the second pressure seat, two fixed plates are arranged on the first base, the upper end of the facing surface of the two fixed plates is formed with a clamping strip, the horizontal fastening component is installed on the second stamping frame and is installed at the position facing the fixed plate, and the horizontal fastening component is used to horizontally fasten the workpiece fixed on the fixed plate.

[0007] Further, the first horizontal moving assembly comprises two first guide rails and a first horizontal moving driving body, the two first guide rails are arranged at intervals, sliding blocks are arranged on both sides of the lower surface of the first horizontal moving seat, sliding grooves are arranged on the lower surface of the sliding blocks, the sliding grooves are matched with the sliding rails, and the first horizontal moving driving body is used for driving the first horizontal moving seat to move.

[0008] Further, the first servo up-down pressing assembly comprises a first servo cylinder, two second guide rails, a first downward moving seat and a first triangular extension seat, the two second guide rails are arranged at intervals on the outward side of the first stamping frame, the first downward moving seat is provided with two first sliding seats on the back surface, the first sliding seats are provided with first sliding grooves, the first sliding grooves are matched with the two second guide rails respectively, the first triangular extension seat is connected to the outward side of the first downward moving seat, the first servo cylinder is fixedly arranged on the first stamping frame and is fixedly connected with the first downward moving seat at the output end, and the first pressing seat comprises a first downward head arranged on the bottom surface of the first triangular extension seat.

[0009] Further, the inward fixed plate is lower than the outward fixed plate, and the upper ends of the two fixed plates on the facing side are provided with clamping strips.

[0010] Further, the second servo up-down pressing assembly comprises a second servo cylinder, two third guide rails, a second downward moving seat and a second triangular extension seat, the two third guide rails are arranged at intervals on the outward side of the second stamping frame, the second downward moving seat is provided with two second sliding seats on the back surface, the second sliding seats are provided with second sliding grooves, the second sliding grooves are matched with the two third guide rails respectively, the second triangular extension seat is connected to the outward side of the second downward moving seat, the second servo cylinder is fixedly arranged on the second stamping frame and is fixedly connected with the second downward moving seat at the output end, and the second pressing seat comprises a first downward plate arranged on the bottom surface of the second triangular extension seat.

[0011] Further, the transverse fastening assembly comprises a pushing cylinder and a pushing plate, the pushing cylinder is arranged on the back surface of the second stamping frame and the output end penetrates through the second stamping frame, the output end of the pushing cylinder is fixedly connected with the pushing plate, and the pushing plate faces the fixed plate and can extend into the two fixed plates.

[0012] Further, the transverse fastening assembly further comprises two guide rods, the two guide rods are fixedly connected with the back surface of the pushing plate, guide holes are formed on the second stamping frame, and the guide rods penetrate through the guide holes.

[0013] Further, the outward side of the pushing plate is formed with two pushing blocks arranged at intervals.

[0014] Further, the first downward plate is formed with a groove.

[0015] Further, the first horizontal movement driving body comprises a rotating screw rod, an extension plate is formed below the first horizontal movement seat, a follow-up seat is formed on one side of the lower end of the extension plate, a threaded hole is formed on the follow-up seat, and the rotating screw rod passes through the threaded hole.

[0016] Compared with the prior art, the pressure testing device has the following beneficial effects:

[0017] The first servo up-down pressure assembly and the second servo up-down pressure assembly are arranged to drive the first pressure seat and the second pressure seat to test the pressure of the workpiece, and compared with the existing cylinder or oil cylinder driving mode, the stroke control is more accurate, the pressure test is more stable, the cost is similar to that of the existing low-precision cylinder or oil cylinder, and the cost performance is high. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the pressure testing device of the utility model;

[0019] Figure 2 It is another three-dimensional structure schematic view of the utility model in the direction;

[0020] Figure 3 It is a three-dimensional structure schematic view of the first test module in the utility model;

[0021] Figure 4 It is a three-dimensional structure schematic view of the second test module in the utility model;

[0022] Figure 5 It is a three-dimensional structure schematic view of the horizontal fastening assembly in the utility model.

[0023] Marked in the figure: 1, first test module; 11, first stamping frame; 12, first servo up and down pressure assembly; 121, first servo cylinder; 122, second guide rail; 123, first lower pressure moving seat; 124, first triangular extension seat; 13, first lower pressure head; 14, first horizontal moving assembly; 141, first guide rail; 142, first horizontal moving drive body; 15, first horizontal moving seat; 151, positioning mounting column; 16, proximity switch; 161, L-shaped detection plate; 2, second test module; 21, second stamping frame; 22, second servo up and down pressure assembly; 221, second servo cylinder; 222, third guide rail; 223, second lower pressure moving seat; 224, second triangular extension seat; 23, first lower pressure plate; 24, first base; 241, fixed plate; 2411, clamping strip; 25, horizontal fastening assembly; 251, push cylinder; 252, push plate; 253, push block; 254, guide rod. DETAILED DESCRIPTION

[0024] In order to make the above features and advantages of the utility model more obvious and easy to understand, the following specific examples are given, and the detailed description is as follows in combination with the drawings.

[0025] As Figures 1-5 shown, the embodiment provides a pressure test equipment, which comprises a first test module 1 and a second test module 2.

[0026] The first test module 1 and the second test module 2 are used for pressure testing different surfaces of a workpiece, and in the present scheme, the workpiece comprises an upper cover and a lower cover, a square frame is fixedly arranged below the lower cover, a rectangular shell part is clamped in the square frame, and the lower surface of the rectangular shell part is provided with a connecting column.

[0027] The first test module 1 is used for pressure testing the lower cover and the rectangular shell part, and the first test module 1 comprises a first stamping frame 11, a first servo up and down pressure assembly 12, a first pressure seat, a first horizontal moving assembly 14 and a first horizontal moving seat 15, the first servo up and down pressure assembly 12 is arranged on the surface of the first stamping frame 11, the first pressure seat is arranged at the output end of the first servo up and down pressure assembly 12, and the first servo up and down pressure assembly 12 is used for driving the first pressure seat to move up and down; the upper surface of the first horizontal moving seat 15 is provided with a positioning mounting column 151, a limiting hole is arranged on the positioning mounting column 151, so that the connecting column on the rectangular shell part in the lower cover can be inserted into the limiting hole, and the first horizontal moving assembly 14 is used for driving the first horizontal moving seat 15 to move close to or away from the first stamping frame 11.

[0028] The first horizontal moving assembly 14 comprises two first guide rails 141 and a first horizontal moving driving body 142. The two first guide rails 141 are arranged at intervals. Slides are arranged on the lower surface of the first horizontal moving seat 15. Sliding grooves are arranged on the lower surface of the slides. The sliding grooves are matched with the sliding rails. The first horizontal moving driving body 142 is used for driving the first horizontal moving seat 15 to move. The first horizontal moving driving body 142 comprises a rotating screw. An extension plate is arranged below the first horizontal moving seat 15. A follower seat is arranged on one side of the lower end of the extension plate. A threaded hole is arranged on the follower seat. The rotating screw passes through the threaded hole. The rotating screw is driven by a motor.

[0029] The first servo up-down pressing assembly 12 comprises a first servo cylinder 121, two second guide rails 122, a first down-pressing moving seat 123 and a first triangular extension seat 124. The two second guide rails 122 are arranged at intervals on the outward side of the first stamping frame 11. The first down-pressing moving seat 123 is provided with two first sliding seats on the back. The first sliding seats are provided with first sliding grooves. The first sliding grooves are matched with the two second guide rails 122 respectively. The first triangular extension seat 124 is connected to the outward side of the first down-pressing moving seat 123. The first servo cylinder 121 is fixedly arranged on the first stamping frame 11 and is fixedly connected with the output end of the first down-pressing moving seat 123. The first pressure seat comprises a first down-pressing head 13. The first down-pressing head 13 is arranged on the bottom surface of the first triangular extension seat 124.

[0030] Preferably, two proximity switches 16 are arranged on one side of any first guide rail 141. The two proximity switches 16 are arranged at intervals. An L-shaped detection plate 161 is connected to the side of the first down-pressing moving seat 123 facing the proximity switches 16. The short plate of the L-shaped detection plate 161 is located in the detection area of the two proximity switches 16 respectively when the first down-pressing moving seat 123 is at the highest position and the lowest position of pressing down. The short plate is used for determining the accuracy of pressing down and resetting.

[0031] The first pressure test: the rectangular shell part is clamped into the square frame. The connecting column on the rectangular shell part is aligned. The limiting hole of the positioning installation column 151 on the first horizontal moving seat 15 is arranged. Then the connecting column is inserted into the limiting hole to realize fixation. The positioning installation column 151 on the first horizontal moving seat 15 can be adjusted adaptively according to the change of the part. After the lower cover is installed, the rotating screw is rotated to drive the follower seat and the first horizontal moving seat 15 to move until the lower cover moves below the first down-pressing head 13 to reach the specified position. Then the first servo cylinder 121 drives the first down-pressing moving seat 123 to move downward until the first down-pressing head 13 adheres to the upper surface of the lower cover. Then the first servo cylinder 121 continues to drive the first down-pressing moving seat 123 to move downward to continuously press the lower cover. When the test value is reached, the lower cover is not damaged, and the test is passed. Each component is reset.

[0032] The second test module 2 is used for testing the compression strength of the upper cover and the lower cover after being combined, and the second test module 2 comprises a second stamping frame 21, a second servo up-down pressure assembly 22, a second pressure seat, a first base 24 and a transverse fastening assembly 25. The second servo up-down pressure assembly 22 is arranged on the surface of the second stamping frame 21, the second pressure seat is arranged at the output end of the second servo up-down pressure assembly 22, the first base 24 is arranged below the second pressure seat, two fixed plates 241 are arranged on the first base 24, and the upper end of the facing surface of the two fixed plates 241 is provided with a clamping strip 2411. Specifically, the inner fixed plate 241 is lower than the outer fixed plate 241, and the height difference is arranged so that the workpiece can be better placed.

[0033] The second servo up-down pressure assembly 22 comprises a second servo cylinder 221, two third guide rails 222, a second down-pressing moving seat 223 and a second triangular extension seat 224. The two third guide rails 222 are arranged at intervals on the outward-facing surface of the second stamping frame 21, the second down-pressing moving seat 223 is provided with two second sliding seats on the back surface, the second sliding seats are provided with second sliding grooves, the second sliding grooves are respectively matched with the two third guide rails 222, the second triangular extension seat 224 is connected to the outward-facing surface of the second down-pressing moving seat 223, the second servo cylinder 221 is fixedly arranged on the second stamping frame 21 and the output end is fixedly connected with the second down-pressing moving seat 223, the first down-pressing plate 23 is formed with a groove, which reduces the contact area between the first down-pressing plate 23 and the upper surface of the workpiece, and the second pressure seat comprises the first down-pressing plate 23, which is arranged on the bottom surface of the second triangular extension seat 224.

[0034] The transverse fastening assembly 25 is installed on the second stamping frame 21 and is arranged at the mounting position of the fixed plate 241, and the transverse fastening assembly 25 is used for transversely fastening the workpiece fixed on the fixed plate 241. Specifically, the transverse fastening assembly 25 comprises two guide rods 254, a push cylinder 251 and a push plate 252. The push cylinder 251 is arranged on the back surface of the second stamping frame 21 and the output end penetrates through the second stamping frame 21, the output end of the push cylinder 251 is fixedly connected with the push plate 252, the push plate 252 faces the fixed plate 241 and can extend into the space between the two fixed plates 241, the two guide rods 254 are fixedly connected with the back surface of the push plate 252, and the outward-facing surface of the push plate 252 is formed with two push blocks 253 arranged at intervals. The second stamping frame 21 is formed with a guide hole, and the guide rod 254 penetrates through the guide hole.

[0035] Secondary pressure test: when the upper cover and the lower cover are combined, the upper cover is set upward, the lower cover is clamped between the two fixed plates 241, then the push cylinder 251 on the transverse fastening assembly 25 is pushed out, the push plate 252 moves toward the lower cover body, until the two push blocks 253 abut against the side wall of the lower cover, the other side of the lower cover is supported by the clamping strip 2411 on the outer fixed plate 241, thereby forming the fixation of the lower cover in the horizontal direction, the second servo electric cylinder 221 drives the second downward moving seat 223 to move downward, thereby driving the first downward plate 23 to move, until the first downward plate 23 presses the upper surface of the upper cover, then the second servo electric cylinder 221 drives the second downward moving seat 223 to move downward, thereby pressing the workpiece, until the pressure set value is reached, if the workpiece is not damaged, it is qualified, and each component is reset to wait for the pressure test of the next workpiece.

[0036] The basic principle and main features of the application and the advantages of the utility model are shown and described above, and the skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the application, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pressure testing apparatus, characterized by: The first test module and the second test module, the first test module includes a first stamping frame, a first servo up and down pressure assembly, a first pressure seat, a first horizontal moving assembly and a first horizontal moving seat; The first servo up and down pressure assembly is arranged on the surface of the first stamping frame, the first pressure seat is arranged on the output end of the first servo up and down pressure assembly, and the first servo up and down pressure assembly is used for driving the first pressure seat to move up and down; the upper surface of the first horizontal moving seat is provided with a positioning mounting column, and the first horizontal moving assembly is used for driving the first horizontal moving seat to move close to or away from the first stamping frame; The second test module includes a second stamping frame, a second servo up and down pressure assembly, a second pressure seat, a first base and a horizontal fastening assembly; the second servo up and down pressure assembly is arranged on the surface of the second stamping frame, the second pressure seat is arranged on the output end of the second servo up and down pressure assembly, the first base is arranged below the second pressure seat, two fixed plates are arranged on the first base, the upper end of the surface of the two fixed plates facing each other is provided with a clamping strip, and the horizontal fastening assembly is installed on the second stamping frame and is arranged at the installation position facing the fixed plate; the horizontal fastening assembly is used for horizontally fastening the workpiece fixed on the fixed plate.

2. The pressure testing apparatus of claim 1, wherein: The first horizontal moving assembly includes two first guide rails and a first horizontal moving driving body, the two first guide rails are arranged at intervals, the lower surface of the first horizontal moving seat is provided with sliding blocks on both sides, the lower surface of the sliding block is provided with a sliding groove, the sliding groove is matched with the sliding rail, and the first horizontal moving driving body is used for driving the first horizontal moving seat to move.

3. The pressure testing apparatus of claim 1, wherein: The first servo up and down pressure assembly includes a first servo cylinder, two second guide rails, a first downward moving seat and a first triangular extension seat, the two second guide rails are arranged at intervals on the surface of the first stamping frame facing outward, the back surface of the first downward moving seat is provided with two first sliding seats, the first sliding seat is provided with a first sliding groove, the first sliding groove is matched with the two second guide rails respectively, the first triangular extension seat is connected to the surface of the first downward moving seat facing outward, the first servo cylinder is fixedly arranged on the first stamping frame and is fixedly connected with the output end of the first downward moving seat, and the first pressure seat includes a first downward head, and the first downward head is arranged on the bottom surface of the first triangular extension seat.

4. The pressure testing apparatus of claim 1, wherein: The fixed plate close to the inside is lower than the fixed plate close to the outside.

5. The pressure testing apparatus of claim 1, wherein: The second servo up and down pressure assembly includes a second servo cylinder, two third guide rails, a second downward moving seat and a second triangular extension seat, the two third guide rails are arranged at intervals on the surface of the second stamping frame facing outward, the back surface of the second downward moving seat is provided with two second sliding seats, the second sliding seat is provided with a second sliding groove, the second sliding groove is matched with the two third guide rails respectively, the second triangular extension seat is connected to the surface of the second downward moving seat facing outward, the second servo cylinder is fixedly arranged on the second stamping frame and is fixedly connected with the output end of the second downward moving seat, and the second pressure seat includes a first downward plate, and the first downward plate is arranged on the bottom surface of the second triangular extension seat.

6. A pressure testing apparatus as claimed in claim 5, wherein: The transverse fastening assembly comprises a pushing cylinder and a pushing plate, the pushing cylinder is arranged on the back of the second punching frame and the output end of the pushing cylinder penetrates through the second punching frame, the output end of the pushing cylinder is fixedly connected with the pushing plate, and the pushing plate faces the fixed plate and can extend into the two fixed plates.

7. A pressure testing apparatus as claimed in claim 6, wherein: The transverse fastening assembly further comprises two guide rods, the two guide rods are fixedly connected with the back of the pushing plate, guide holes are formed on the second punching frame, and the guide rods penetrate through the guide holes.

8. The pressure testing apparatus of claim 6, wherein: An outer side of the pushing plate is formed with two pushing blocks which are arranged at intervals.

9. The pressure testing apparatus of claim 5, wherein: The first lower pressing plate is formed with a groove.

10. The pressure testing apparatus of claim 2, wherein: The first transverse driving body comprises a rotating screw rod, an extension plate is formed below the first transverse seat, a follow-up seat is formed on one side of the lower end of the extension plate, a threaded hole is formed on the follow-up seat, and the rotating screw rod penetrates through the threaded hole.

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