阅读说明：本技术 一种大行程气密机 (Large-stroke airtight machine ) 是由 唐萌倩 纵真真 于 2021-07-01 设计创作，主要内容包括：本发明公开了一种大行程气密机,包括机体,机体的顶部开设有测量腔体,测量腔体的顶部盖设有密封盖和条码读取器,测量腔体的两侧均开设有滑槽,两个滑槽的内部均滑动连接有滑块,两个滑块的一侧均固定安装有L型升降架,两个滑槽的两侧槽壁均转动连接有丝杆。本发明通过伺服电机的转动带动连接的丝杆转动,两根丝杆通过传动齿轮和链条同步转动,从而使两根丝杆同步转动,通过丝杆的转动带动滑块的升降,通过滑块的升降带动L型升降架的升降,通过L型升降架的升降,方便检测产品的取放,提高气密机工作效率,通过气密机内部的漏气量在1Kpa内,可以对大型电池进行测量,有效的提高大型电池的测量效果。(The invention discloses a large-stroke airtight machine which comprises a machine body, wherein a measuring cavity is formed in the top of the machine body, a sealing cover and a bar code reader are covered on the top of the measuring cavity, sliding grooves are formed in two sides of the measuring cavity, sliding blocks are connected inside the two sliding grooves in a sliding mode, an L-shaped lifting frame is fixedly installed on one side of each of the two sliding blocks, and screw rods are rotatably connected to two side groove walls of the two sliding grooves. According to the invention, the connected screw rods are driven to rotate by the rotation of the servo motor, the two screw rods synchronously rotate through the transmission gear and the chain, so that the two screw rods synchronously rotate, the slide block is driven to lift by the rotation of the screw rods, the L-shaped lifting frame is driven to lift by the lifting of the slide block, the detection products are conveniently taken and placed by the lifting of the L-shaped lifting frame, the working efficiency of the airtight machine is improved, the large battery can be measured by the air leakage in the airtight machine within 1Kpa, and the measuring effect of the large battery is effectively improved.)

1. The large-stroke airtight machine comprises a machine body (1) and is characterized in that a measuring cavity (7) is formed in the top of the machine body (1), a sealing cover and a bar code reader are covered on the top of the measuring cavity (7), sliding grooves (9) are formed in the two sides of the measuring cavity (7), sliding blocks (13) are connected to the two sliding grooves (9) in a sliding mode, an L-shaped lifting frame (6) is fixedly installed on one side of each sliding block (13), lead screws (10) are connected to the two side groove walls of the two sliding grooves (9) in a rotating mode, the two lead screws (10) are in threaded connection with the middle of the corresponding sliding block (13), a transmission mechanism is installed between the two lead screws (10), a second cavity (16) is formed in the bottom of the machine body (1), and a high-pressure air pump (20) is fixedly installed inside the second cavity (16), the air outlet end fixed mounting of high pressure air pump (20) has intake pipe (18), the one end and the inside intercommunication of measurement cavity (7) of intake pipe (18), just the inside fixed mounting of intake pipe (18) has solenoid valve B (19), one side fixed mounting of measuring cavity (7) has outlet duct (11), the inside fixed mounting of outlet duct (11) has solenoid valve A (8).

2. A large-stroke airtight machine according to claim 1, wherein: drive mechanism includes two drive gear (12), chain (15) and servo motor (17), first cavity (14), two have been seted up at the middle part of organism (1) the one end of lead screw (10) extends to the inside and fixed mounting of first cavity (14) has drive gear (12), two the transmission is connected with chain (15) between drive gear (12), the inside fixed mounting of first cavity (14) has servo motor (17), the output shaft of servo motor (17) and the one end fixed connection of lead screw (10) that the position was adjusted well.

3. A large-stroke airtight machine according to claim 1, wherein: an air inlet (5) is formed in one side of the second cavity (16), and a dust screen is fixedly mounted inside the air inlet (5).

4. A large-stroke airtight machine according to claim 1, wherein: the all fixed mounting in four edges of organism (1) bottom has supporting leg (2), four evenly distributed's anti-skidding line is all seted up to the bottom of supporting leg (2).

5. A large-stroke airtight machine according to claim 1, wherein: the air leakage amount inside the measuring cavity (7) is less than 1Kpa, and the size of the measuring cavity (7) is 400 × 800 mm.

6. A large-stroke airtight machine according to claim 2, wherein: the top fixed mounting of organism (1) has PLC controller (3), even PLC controller (3) electric connection of solenoid valve A (8), servo motor (17), solenoid valve B (19) and high compression pump (20), organism (1) top one side fixed mounting has starting switch (4), PLC controller (3), solenoid valve A (8), servo motor (17), solenoid valve B (19) and high compression pump (20) all through starting switch (4) and external power source electric connection.

Technical Field

The invention relates to an air-tight machine, in particular to a large-stroke air-tight machine, and belongs to the technical field of air-tight machines.

Background

In recent years, new energy automobiles are rapidly developed in China, the production technology and accessories of the new energy automobiles are still in continuous improvement, the new energy automobiles are different from the conventional fuel power, the hydrogen power and the power battery are adopted for driving, the safety requirements of related parts are higher, more parts have higher requirements on air tightness, and particularly the new energy batteries are used. Therefore, the air tightness detector is still very important, and the air tightness test of the new energy battery pack is mainly divided into the air tightness test of the upper shell, the lower shell and the assembly; for the air tightness test of the upper shell and the lower shell, the requirement of the leakage rate of the air tightness after final assembly must be met, namely the sum of the independent leakage rates of the upper shell and the lower shell must not exceed the requirement of the leakage rate of the finished product of the whole battery pack, and due to the characteristics of the new energy battery pack, the inflation pressure of the air tightness test of the battery pack cannot be too large.

When the existing airtight machine is used for detecting the air tightness of a large-sized battery, products are generally taken and placed manually, the manual taking and placing operation is difficult, and the detection efficiency of the airtight machine is influenced, so that the large-stroke airtight machine needs to be designed.

Disclosure of Invention

The invention aims to provide a large-stroke airtight machine, which aims to solve the problems that when the existing airtight machine is used for detecting the air tightness of a large battery, products are generally taken and placed manually, the manual taking and placing operation is difficult, and the detection efficiency of the airtight machine is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the device comprises a machine body, wherein a measuring cavity is arranged at the top of the machine body, a sealing cover and a bar code reader are arranged at the top of the measuring cavity in a covering manner, sliding grooves are formed in two sides of the measuring cavity, sliding blocks are connected to the insides of the two sliding grooves in a sliding manner, an L-shaped lifting frame is fixedly arranged on one side of the two sliding blocks, lead screws are rotatably connected to two side groove walls of the two sliding grooves, the two lead screws are in threaded connection with the middle parts of the corresponding sliding blocks, a transmission mechanism is arranged between the two lead screws, a second cavity is formed in the bottom of the machine body, a high-pressure air pump is fixedly arranged in the second cavity, an air inlet pipe is fixedly arranged at the air outlet end of the high-pressure air pump, one end of the air inlet pipe is communicated with the inside of the measuring cavity, a solenoid valve B is fixedly arranged in the air inlet pipe, and an air outlet pipe is fixedly arranged on one side of the measuring cavity, and an electromagnetic valve A is fixedly arranged in the air outlet pipe.

As a preferred technical scheme of the invention, the transmission mechanism comprises two transmission gears, a chain and a servo motor, a first cavity is formed in the middle of the machine body, one end of each of the two lead screws extends into the first cavity and is fixedly provided with the transmission gear, the chain is connected between the two transmission gears in a transmission manner, the servo motor is fixedly arranged in the first cavity, and an output shaft of the servo motor is fixedly connected with one end of the lead screw which is aligned with the servo motor in position.

As a preferable technical scheme of the invention, one side of the second cavity is provided with an air inlet, and a dust screen is fixedly arranged in the air inlet.

As a preferred technical scheme of the invention, supporting legs are fixedly arranged at four corners of the bottom end of the machine body, and the bottom ends of the four supporting legs are provided with anti-skid grains which are uniformly distributed.

As a preferred technical solution of the present invention, the amount of air leakage inside the measurement cavity is less than 1Kpa, and the size of the measurement cavity is 400 × 800 mm.

As a preferred technical scheme of the invention, a PLC controller is fixedly mounted at the top of the machine body, the solenoid valve a, the servo motor, the solenoid valve B and the high pressure air pump are electrically connected with the PLC controller, a start switch is fixedly mounted at one side of the top of the machine body, and the PLC controller, the solenoid valve a, the servo motor, the solenoid valve B and the high pressure air pump are electrically connected with an external power supply through the start switch.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the large-stroke airtight machine, the connected screw rods are driven to rotate through the rotation of the servo motor, the two screw rods synchronously rotate through the transmission gear and the chain, so that the two screw rods synchronously rotate, the slide block is driven to lift through the rotation of the screw rods, the L-shaped lifting frame is driven to lift through the lifting of the slide block, the detection products are conveniently taken and placed through the lifting of the L-shaped lifting frame, and the working efficiency of the airtight machine is improved.

2. According to the large-stroke airtight machine, the air leakage amount in the airtight machine is within 1Kpa, so that the large-size battery can be measured, and the measuring effect of the large-size battery is effectively improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a circuit diagram of a PLC controller according to the present invention.

In the figure: 1. a body; 2. supporting legs; 3. a PLC controller; 4. starting a switch; 5. an air inlet; 6. an L-shaped lifting frame; 7. a measurement cavity; 8. an electromagnetic valve A; 9. a chute; 10. a screw rod; 11. an air outlet pipe; 12. a transmission gear; 13. a slider; 14. a first cavity; 15. a chain; 16. a second cavity; 17. a servo motor; 18. an air inlet pipe; 19. a solenoid valve B; 20. a high-pressure air pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution of a large-stroke airtight machine:

according to the figures 1-3, the device comprises a machine body 1, a measuring cavity 7 is arranged at the top of the machine body 1, a sealing cover and a bar code reader are covered at the top of the measuring cavity 7, sliding grooves 9 are arranged at both sides of the measuring cavity 7, sliding blocks 13 are slidably connected inside the two sliding grooves 9, an L-shaped lifting frame 6 is fixedly arranged at one side of each sliding block 13, screw rods 10 are rotatably connected with both side groove walls of the two sliding grooves 9, the two screw rods 10 are in threaded connection with the middle parts of the corresponding sliding blocks 13, a transmission mechanism is arranged between the two screw rods 10, a second cavity 16 is arranged at the bottom of the machine body 1, a high-pressure air pump 20 is fixedly arranged inside the second cavity 16, an air inlet pipe 18 is fixedly arranged at the air outlet end of the high-pressure air pump 20, one end of the air inlet pipe 18 is communicated with the inside of the measuring cavity 7, an electromagnetic valve B19 is fixedly arranged inside the air inlet pipe 18, an air outlet pipe 11 is fixedly arranged at one side of the measuring cavity 7, the inside fixed mounting of outlet duct 11 has solenoid valve A8, and the lift of lift drive L type crane 6 through slider 13 is convenient for drive the lift that detects the product through the lift of L type crane 6, conveniently detects getting of product and puts.

According to fig. 2, the transmission mechanism comprises two transmission gears 12, a chain 15 and a servo motor 17, a first cavity 14 is formed in the middle of the machine body 1, one ends of two lead screws 10 extend to the inside of the first cavity 14, the transmission gears 12 are fixedly installed inside the first cavity 14, the chain 15 is connected between the two transmission gears 12 in a transmission mode, the servo motor 17 is fixedly installed inside the first cavity 14, an output shaft of the servo motor 17 is fixedly connected with one end of the lead screw 10 aligned with the position, the lead screw 10 is driven to rotate through rotation of the servo motor 17, and the sliding block 13 is driven to lift through rotation of the lead screw 10.

According to fig. 1 and 2, air inlet 5 has been seted up to one side of second cavity 16, the inside fixed mounting of air inlet 5 has the dust screen, equal fixed mounting in four edges of organism 1 bottom has supporting leg 2, evenly distributed's anti-skidding line has all been seted up to the bottom of four supporting leg 2, guarantee organism 1's stability, it is less than 1Kpa to measure the inside air leakage of cavity 7, measure the size and 400 x 800mm of cavity 7, the top fixed mounting of organism 1 has PLC controller 3, solenoid valve A8, servo motor 17, solenoid valve B19 and the even PLC controller 3 electric connection of high compression pump 20, 1 top one side fixed mounting of organism has starting switch 4, PLC controller 3, solenoid valve A8, servo motor 17, solenoid valve B19 and high compression pump 20 all through starting switch 4 and external power supply electric connection.

When the large-stroke airtight machine is used, firstly, a detection product is manually placed between two L-shaped lifting frames 6, then a power supply is switched on through a starting switch 4 to turn on a servo motor 17, the connected screw rods 10 are driven to rotate through the rotation of the servo motor 17, the two screw rods 10 are in transmission connection with a chain 15 through a transmission gear 12, so that the two screw rods 10 synchronously rotate, the L-shaped lifting frames 6 are driven to lift through the lifting of a rotating slide block 13 of the screw rods 10, when a product in a measurement cavity 7 enters the measurement cavity 7 through the lifting of the L-shaped lifting frames 6, a product bar code is read through a bar code reader to obtain product information, then a sealing cover is covered, a high-pressure air pump 20 is opened, and the interior of the measurement cavity 7 is inflated through the high-pressure air pump 20, observe the change of product steady voltage stage number, whether the atmospheric pressure cavity is aerifyd the atmospheric pressure that whether steady voltage finishes the back 3S and show the value and be the air leakage volume of product promptly, simulate the waterproof performance of product in aqueous from this, during the ejection of compact, open solenoid valve A8 earlier, deflate measurement cavity 7, then open sealed lid, control servo motor 17 reverse rotation through PLC controller 3 and drive L type crane 6 and rise, will detect the product and take out.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.