O-shaped ring installation detection marking machine

Abstract

The utility model relates to the technical field of pipe fitting production, in particular to an O-shaped ring installation detection marking machine which is characterized in that the input end of a platform machine assembly of the detection marking machine is provided with an automatic grabbing and discharging structure, a feeding station is arranged on a detection machine table board below the automatic grabbing and discharging structure, one side of the feeding station is provided with an assembling mechanism, and the other side of the feeding station is provided with a positioning mechanism. An O-shaped ring detection station is arranged on the output side of the assembling mechanism, a marking station is arranged on the output side of the O-shaped ring detection station, a grabbing and discharging assembly is arranged on one side of the platform machine assembly from the input side to the output side, a plurality of mechanical arms are arranged on a platform of the grabbing and discharging assembly, and a plurality of transition stations are arranged on the inner side of the grabbing and discharging assembly. A camera detection station is arranged on the output side of the feeding station, a push rod torque detection station is arranged on the output side of the O-shaped ring detection station and located on one side of the transition station, and a discharging station is arranged below the output end of the platform machine assembly. The O-shaped ring laser marking machine can automatically feed, discharge and place O-shaped rings, combines laser marking, and can achieve integrated machining.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pipe production, in particular to an O-ring installation detection marking machine. BACKGROUND

[0002] O-ring as the common sealing measure, in oil, acid and alkali, mill, chemical corrosion and so on environment plays good sealing, damping effect.

[0003] In the prior art, such as the utility model patent with the publication number CN221088869U and the name of "a kind of O-ring manual tooling", including resistance cover, guide sleeve, handle shaft, handle and hook block, resistance cover is set on handle shaft outside, guide sleeve is inserted into hole, its top is set to the bottom of handle shaft outside installation fixed, the bottom of outer side wall is provided with annular recess, handle is installed in handle shaft, hook block is located in guide sleeve, and is fixed with the bottom end of handle, and the outer side is provided with hook groove.But the recess of guide sleeve and the hook groove of hook block are positioned to the installation groove of workpiece hole by resistance cover.But also exist the problems that automatic feeding and discharging cannot be realized, driving equipment is mainly artificial, therefore work is unstable, efficiency is low and applicability is not strong, and the problems of high labor cost and insufficient safety.

[0004] In view of the above problems, the utility model designs an O-ring installation detection marking machine, which can effectively automatically feed and discharge and automatically place O-ring, and combines laser marking and can be integrated processing, so it has the advantages of high efficiency, stable workpiece processing quality, energy saving, strong versatility. SUMMARY

[0005] The utility model aims at overcoming the insufficient of prior art, provide a kind of O-ring installation detection marking machine, can effectively automatically feed and discharge and automatically place O-ring, and combines laser marking and can be integrated processing, so it has the advantages of high efficiency, stable workpiece processing quality, energy saving, strong versatility.

[0006] In order to achieve the above purpose, the utility model provides an O-ring installation detection marking machine, the input end of the platform machine component of detection marking machine is provided with automatic grabbing and discharging structure, the lower detection machine table of automatic grabbing and discharging structure is provided with feeding station, one side of feeding station is provided with assembly mechanism, the output side of assembly mechanism is provided with O-ring detection station, the output side of O-ring detection station is provided with marking station, one side of platform machine component from input side to output side is provided with grabbing and discharging assembly, the platform of grabbing and discharging assembly is provided with multiple mechanical hands, the inner side of grabbing and discharging assembly is provided with several transition stations, the output side of feeding station is provided with camera detection station, the output side of O-ring detection station and the side of transition station are provided with push rod torque detection station, and the output end of platform machine component is provided with discharging station below.

[0007] The bottom of the automatic grabbing and discharging structure is fixedly installed with an aluminum profile fixing seat and a T-shaped support, the top of the aluminum profile fixing seat is provided with a guide rail fixing aluminum profile, the top of the aluminum profile fixing seat and on one side of the guide rail fixing aluminum profile are provided with a left-right moving assembly, the other side of the guide rail fixing aluminum profile is provided with an automatic grabbing and discharging assembly, and the support where the automatic grabbing and discharging assembly is arranged is provided with a servo automatic up-down moving assembly.

[0008] The bottom of the feeding station is a fixed installation base, a sliding lead screw is arranged in the middle groove of the fixed installation base, one end of the sliding lead screw is provided with a servo driver, and the top of the fixed installation base is provided with a discharging disc.

[0009] The lower part of the transition station is a fixed base, the upper part of the fixed base is a mold and base transition installation plate, and the top of the mold and base transition installation plate is provided with a discharging mold.

[0010] The bottom of the assembling mechanism is an O-ring assembling mechanism overall front-back moving assembly, the top of the O-ring assembling mechanism overall front-back moving assembly is an O-ring group front-back moving assembly, one side of the O-ring group front-back moving assembly is provided with an O-ring jaw assembly, and the platform beside the O-ring group front-back moving assembly is provided with an O-ring vibration feeding disc connected with the O-ring jaw assembly.

[0011] The bottom of the O-ring detection station is a fixed frame and rack installation plate, the top of the fixed frame and rack installation plate is provided with a detection assembly fixing frame, the platform on one side of the top of the detection assembly fixing frame is provided with a camera one, one side of the camera one is provided with a camera lens, and the lower part of the camera lens on the detection assembly fixing frame is provided with a light source.

[0012] The bottom of the marking station is a fixed seat and rack installation plate, the top of the fixed seat and rack installation plate is a hand-shaking moving assembly fixed seat, the support on one side of the hand-shaking moving assembly fixed seat is provided with a laser marking machine, and the top of the hand-shaking moving assembly fixed seat is provided with a hand-shaking up-down moving assembly.

[0013] One end of the grabbing and discharging assembly is provided with a servo driving mechanism, one side of the servo driving mechanism is provided with a mechanical hand one, a sliding lead screw is arranged between the mechanical hand one and a mechanical hand two, the mechanical hand two is arranged on the platform of the grabbing and discharging assembly, the platform of the grabbing and discharging assembly is further provided with a mechanical hand three, a mechanical hand four, a mechanical hand five and a mechanical hand six, the side of the grabbing and discharging assembly is provided with an aluminum profile installation frame, the top of the aluminum profile installation frame is provided with a sliding rail, and the lower part of the aluminum profile installation frame is provided with an installation base.

[0014] The lower part of the camera detection station is an installation frame and rack fixing seat, the top of the installation frame and rack fixing seat is a camera installation frame, and one side of the camera installation frame is provided with a camera two.

[0015] The push rod and rack mounting seat is below the push rod torque detection station, and the electric push rod is arranged above the push rod and rack mounting seat, and the tail end of the electric push rod is provided with a push rod core head.

[0016] Compared with the prior art, the push rod torque detection station has the following beneficial effects:

[0017] The automatic feeding and discharging and automatic O-ring placing are combined with the laser marking, and integrated processing can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the O-ring installation detection marking machine in the embodiment of the present application.

[0019] Figure 2 The structure diagram of the automatic grabbing and discharging structure in the embodiment of the present application.

[0020] Figure 3 The structure diagram of the feeding station in the embodiment of the present application.

[0021] Figure 4 The structure diagram of the transition station in the embodiment of the present application.

[0022] Figure 5 The structure diagram of the assembling mechanism in the embodiment of the present application.

[0023] Figure 6 The structure diagram of the O-ring detection station in the embodiment of the present application.

[0024] Figure 7 The structure diagram of the laser marking station in the embodiment of the present application.

[0025] Figure 8 The structure diagram of the camera detection station in the embodiment of the present application.

[0026] Figure 9 The structure diagram of the push rod torque detection station in the embodiment of the present application.

[0027] Figure 10 The structure diagram of the grabbing and discharging assembly in the embodiment of the present application.

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1 is an automatic grabbing and discharging structure;

[0030] 1-1 is a servo automatic up and down moving assembly, 1-2 is an automatic grabbing and feeding assembly, 1-3 is a guide rail fixed aluminum profile frame, 1-4 is a left and right moving assembly, and 1-5 is an aluminum profile frame fixed mounting seat.

[0031] 2 is a feeding station;

[0032] 2-1 is a feeding disc, 2-2 is a fixed mounting base, 2-3 is a sliding lead screw, and 2-4 is a servo driver.

[0033] 3 is a transition station;

[0034] 3-1 is a feeding mold, 3-2 is a mold and base transition mounting plate, and 3-3 is a fixed base.

[0035] 4 is an assembly mechanism;

[0036] 4-1 is an O-ring vibration feeding disc, 4-2 is an O-ring assembly mechanism overall front and rear moving assembly, 4-3 is an O-ring group front and rear moving assembly, and 4-4 is an O-ring jaw assembly.

[0037] 5 is an O-ring detection station;

[0038] 5-1 is a camera one, 5-2 is a detection assembly fixed frame, 5-3 is a fixed frame and rack mounting plate, 5-4 is a camera lens, and 5-5 is a light source.

[0039] 6 is a marking station;

[0040] 6-1 is a hand-shaking up and down moving assembly, 6-2 is a laser marking machine, 6-3 is a hand-shaking moving assembly fixed seat, and 6-4 is a fixed seat and rack mounting plate.

[0041] 7 is a grabbing and feeding assembly;

[0042] 7-1 is a servo drive mechanism, 7-2 is a mechanical hand one, 7-3 is a sliding lead screw, 7-4 is a mechanical hand two, 7-5 is a mechanical hand three, 7-6 is a mechanical hand four, 7-7 is a mechanical hand five, 7-8 is a mechanical hand six, 7-9 is a sliding rail, 7-10 is a mounting base, and 7-11 is an aluminum profile mounting frame.

[0043] 8 is a platform machine assembly, and 9 is a discharging station.

[0044] 10 is a camera detection station;

[0045] 10-1 is a camera two, 10-2 is a camera mounting frame, and 10-3 is a mounting frame and rack fixed seat.

[0046] 11 is a push rod torque detection station;

[0047] 11-1 is a push rod and rack mounting seat, 11-2 is an electric push rod, and 11-3 is a push rod core head. DETAILED DESCRIPTION

[0048] The utility model is further described in combination with the drawings.

[0049] Referring to Figures 1-10 The utility model provides a kind of O-ring installation detection marking machine, and the input end of the platform machine component 8 of detection marking machine is provided with automatic grabbing and discharging structure 1, and the lower detection machine table of automatic grabbing and discharging structure 1 is provided with feeding station 2, and one side of feeding station 2 is provided with assembly mechanism 4, and the output side of assembly mechanism 4 is provided with O-ring detection station 5, and the output side of O-ring detection station 5 is provided with marking station 6, and one side of platform machine component 8 is provided with grab and discharge component 7 from input side to output side, and the platform of grab and discharge component 7 is provided with multiple mechanical hands, and the inner side of grab and discharge component 7 is provided with several transition stations 3, and the output side of feeding station 2 is provided with camera detection station 10, and the output side of O-ring detection station 5 and located at one side of transition station 3 is provided with push rod torque detection station 11, and the output end of platform machine component 8 is provided with discharging position 9 below.

[0050] The bottom of automatic grabbing and discharging structure 1 is fixedly installed by aluminium profile frame fixing seat 1-5 and T-shaped frame support, and the upper side of aluminium profile frame fixing seat 1-5 is provided with guide rail fixed aluminium profile frame 1-3, and the upper side of aluminium profile frame fixing seat 1-5 and located at one side of guide rail fixed aluminium profile frame 1-3 is provided with left and right moving assembly 1-4, and the other side bracket of guide rail fixed aluminium profile frame 1-3 is provided with automatic grabbing and discharging assembly 1-2, and the bracket where automatic grabbing and discharging assembly 1-2 is located is provided with servo automatic up and down moving assembly 1-1.

[0051] The bottom of feeding station 2 is fixedly installed base 2-2, and the middle groove of fixedly installed base 2-2 is provided with sliding lead screw 2-3, and one end of sliding lead screw 2-3 is provided with servo driver 2-4, and the top of fixedly installed base 2-2 is provided with discharging disc 2-1.

[0052] The lower part of transition station 3 is fixed base 3-3, and the upper side of fixed base 3-3 is die and base transition mounting plate 3-2, and the upper side of die and base transition mounting plate 3-2 is provided with discharging die 3-1.

[0053] The bottom of assembly mechanism 4 is O-ring assembly mechanism overall front and back moving assembly 4-2, and the upper side of O-ring assembly mechanism overall front and back moving assembly 4-2 is O-ring assembly front and back moving assembly 4-3, and one side of O-ring assembly front and back moving assembly 4-3 is provided with O-ring jaw assembly 4-4, and the platform beside O-ring assembly front and back moving assembly 4-3 is provided with O-ring vibration feeding disc 4-1 connected with O-ring jaw assembly 4-4.

[0054] The bottom of the O-ring detection station 5 is a fixed frame and a rack mounting plate 5-3, the upper side of the fixed frame and the rack mounting plate 5-3 is provided with a detection assembly fixed frame 5-2, the platform on one side of the upper side of the detection assembly fixed frame 5-2 is provided with a camera one 5-1, the side of the camera one 5-1 is provided with a camera lens 5-4, and the lower side of the detection assembly fixed frame 5-2, located below the camera lens 5-4, is provided with a light source 5-5.

[0055] The bottom of the marking station 6 is a fixed seat and a rack mounting plate 6-4, the upper side of the fixed seat and the rack mounting plate 6-4 is a hand-shaking moving assembly fixed seat 6-3, the bracket on one side of the hand-shaking moving assembly fixed seat 6-3 is provided with a laser marking machine 6-2, and the top of the hand-shaking moving assembly fixed seat 6-3 is provided with a hand-shaking up-down moving assembly 6-1.

[0056] One end of the grabbing and discharging assembly 7 is provided with a servo driving mechanism 7-1, one side of the servo driving mechanism 7-1 is provided with a mechanical hand one 7-2, the mechanical hand one 7-2 and a mechanical hand two 7-4 are provided with a sliding lead screw 7-3, the mechanical hand two 7-4 is arranged on the platform of the grabbing and discharging assembly 7, and the platform of the grabbing and discharging assembly 7 is further provided with a mechanical hand three 7-5, a mechanical hand four 7-6, a mechanical hand five 7-7 and a mechanical hand six 7-8; the side of the grabbing and discharging assembly 7 is provided with an aluminum profile mounting rack 7-11, the upper side of the aluminum profile mounting rack 7-11 is provided with a sliding rail 7-9, and the lower side of the aluminum profile mounting rack 7-11 is provided with a mounting base 7-10.

[0057] The lower part of the camera detection station 10 is a mounting rack and a rack fixed seat 10-3, the upper side of the mounting rack and the rack fixed seat 10-3 is a camera mounting rack 10-2, and one side of the camera mounting rack 10-2 is provided with a camera two 10-1.

[0058] The lower part of the push rod torque detection station 11 is a push rod and a rack mounting seat 11-1, the upper side of the push rod and the rack mounting seat 11-1 is provided with an electric push rod 11-2, and the tail end of the electric push rod 11-2 is provided with a push rod core head 11-3.

[0059] Working principle:

[0060] The utility model in using does not need too much debugging:

[0061] The action of the automatic grabbing and discharging structure 1 is that the clamp pressure pipe fittings are automatically grabbed from the manual placing disc and rotated by 90 DEG and then placed in the transition station 3 according to requirements. The action of the assembling mechanism 4 is that the O-ring can be automatically placed at the O-ring bulge position of the clamp pressure pipe fitting. The action of the O-ring detection station 5 is to detect whether the O-ring can be placed in the clamp pressure pipe fitting in the previous process. The action of the marking station 6 is that the clamp pressure pipe fitting after the detection of the O-ring detection station 5 is laser marked according to the customization requirements.

[0062] Before the device starts, manually put the card pressing pipe to be produced into the feeding tray 2-1, and start the device after the placement is completed; the servo driver 2-4 starts to work, and the feeding tray 2-1 is moved to the waiting position of the automatic grabbing and feeding structure 1 through the sliding screw rod 2-3. After the feeding tray 2-1 is positioned, the 90° rotary air cylinder clamp jaw is grabbed by the servo automatic up-down moving assembly 1-1, and the card pressing pipe is grabbed. After the grabbing is completed, the left-right moving assembly 1-4 works to move the rotary air cylinder clamp jaw to the transition work station 3 and place the card pressing pipe into the transition work station 3. When the card pressing pipe is placed in the transition work station 3, the camera starts to detect the function, mainly detects the surface quality of the card pressing pipe raw material and the raw material groove width (i.e. the left-right or up-down part of the card pressing pipe). After the card pressing pipe is detected, the mechanical hand 7-2 moves to the transition work station 3 position through the servo driving mechanism 7-1 and works; after the card pressing pipe is grabbed, it is moved to the assembly mechanism 4 again. After the card pressing pipe is placed, the O-ring assembly mechanism moves to the working position through the whole front-back moving assembly 4-2; after moving to the working position, the O-ring assembly front-back moving assembly 4-3 continues to act to push the O-ring to the bulge position inside the card pressing pipe; finally, the O-ring clamp jaw assembly 4-4 acts to place the O-ring inside the card pressing pipe, and after the placement is completed, the whole assembly mechanism 4 retreats to the starting position in turn, waiting for the start of the next process.

[0063] After the card pressing pipe is placed with the O-ring, the mechanical hand four 7-6 acts to grab and move the card pressing pipe to the O-ring detection work station 5; at this time, the camera 5-1 in the O-ring detection work station 5 starts to work, and detects whether the O-ring placed inside the card pressing pipe is in place.

[0064] After the card pressing pipe is placed with the O-ring, the mechanical hand four 7-6 acts to grab and move the card pressing pipe to the push rod torque detection work station 11; at this time, the electric push rod 11-2 in the work station drives the push rod core 11-3 to push into the card pressing pipe, and after the pushing is in place, the electric push rod 11-2 is retracted; at this time, the O-ring inside the card pressing pipe has different tension, which plays a detection role.

[0065] After the card pressing pipe is detected, the mechanical hand five 7-7 acts to grab and move the detected card pressing pipe to the laser marking work station 6; the laser marking machine 6-2 marks according to the requirements, and the laser marking machine 6-2 can be adjusted through the 6-1 is a hand-operated up-down moving assembly 6-1. After the laser marking is completed, the mechanical hand six 7-8 acts to grab and place the finished product after the laser marking to the discharging position 9, at this time, the whole process of a card pressing pipe from raw material to finished product is completed.

[0066] The above are only preferred embodiments of the present application, and are used to help understand the method and its core idea of the present application. The protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and refinements without departing from the principles of the present application are also considered to be within the protection scope of the present application.

[0067] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0068] The present application solves the problems of the prior art that automatic feeding and discharging cannot be realized, the driving equipment is mainly manual, which leads to unstable work, low efficiency, poor applicability, high labor cost and insufficient safety. The present application only needs to place the specified clamping pipe in the fixed area, and then uses the subsequent fully automatic processing, detection and discharging processing mode, which makes the processing quality more stable, thereby greatly saving the labor cost, improving the product quality and having strong universality for different types of products.

Claims

1. An O-ring installation detection marking machine characterized by, The input end of the platform machine assembly (8) of the detection marking machine is provided with an automatic grabbing and feeding structure (1), the lower detection machine table surface of the automatic grabbing and feeding structure (1) is provided with a feeding station (2), one side of the feeding station (2) is provided with an assembling mechanism (4), the output side of the assembling mechanism (4) is provided with an O-ring detection station (5), the output side of the O-ring detection station (5) is provided with a marking station (6), one side of the platform machine assembly (8) is provided with a grabbing and feeding assembly (7) from the input side to the output side, a plurality of mechanical hands are arranged on the platform of the grabbing and feeding assembly (7), a plurality of transition stations (3) are arranged on the inner side of the grabbing and feeding assembly (7), the output side of the feeding station (2) is provided with a camera detection station (10), the output side of the O-ring detection station (5) and located on one side of the transition station (3) is provided with a push rod torque detection station (11), and the output end of the platform machine assembly (8) is provided with a discharging station (9) below.

2. The O-ring installation inspection marker of claim 1, wherein, The bottom of the automatic grabbing and feeding structure (1) is fixedly installed on the aluminum profile frame fixing seat (1-5) and the T-shaped frame support, the upper side of the aluminum profile frame fixing seat (1-5) is provided with a guide rail fixed aluminum profile frame (1-3), the upper side of the aluminum profile frame fixing seat (1-5) and located on one side of the guide rail fixed aluminum profile frame (1-3) is provided with a left-right moving assembly (1-4), the other side support of the guide rail fixed aluminum profile frame (1-3) is provided with an automatic grabbing and feeding assembly (1-2), and the support where the automatic grabbing and feeding assembly (1-2) is arranged is provided with a servo automatic up-down moving assembly (1-1).

3. The O-ring installation inspection marker of claim 1, wherein, The bottom of the feeding station (2) is a fixed installation base (2-2), a sliding lead screw (2-3) is arranged in the middle groove of the fixed installation base (2-2), one end of the sliding lead screw (2-3) is provided with a servo driver (2-4), and the top of the fixed installation base (2-2) is provided with a feeding disc (2-1).

4. The O-ring installation inspection marker of claim 1, wherein, The lower part of the transition station (3) is a fixed base (3-3), the upper part of the fixed base (3-3) is a mold and base transition installation plate (3-2), and the upper part of the mold and base transition installation plate (3-2) is provided with a feeding mold (3-1).

5. The O-ring installation inspection marker of claim 1, wherein, The bottom of the assembling mechanism (4) is an O-ring assembling mechanism overall front-back moving assembly (4-2), the upper part of the O-ring assembling mechanism overall front-back moving assembly (4-2) is an O-ring group front-back moving assembly (4-3), one side of the O-ring group front-back moving assembly (4-3) is provided with an O-ring jaw assembly (4-4), and the platform beside the O-ring group front-back moving assembly (4-3) is provided with an O-ring vibration feeding disc (4-1) connected with the O-ring jaw assembly (4-4).

6. The O-ring installation inspection marker of claim 1, wherein, The bottom of the O-ring detection station (5) is a fixed frame and a rack mounting plate (5-3), the upper side of the fixed frame and the rack mounting plate (5-3) is provided with a detection component fixed frame (5-2), the platform on one side of the upper side of the detection component fixed frame (5-2) is provided with a camera one (5-1), one side of the camera one (5-1) is provided with a camera lens (5-4), the lower side of the detection component fixed frame (5-2) is provided with a light source (5-5) below the camera lens (5-4).

7. The O-ring installation inspection marker of claim 1, wherein, The bottom of the marking station (6) is a fixed seat and a rack mounting plate (6-4), the upper side of the fixed seat and the rack mounting plate (6-4) is a hand moving component fixed seat (6-3), the bracket on one side of the hand moving component fixed seat (6-3) is provided with a laser marking machine (6-2), the top of the hand moving component fixed seat (6-3) is provided with a hand up and down moving component (6-1).

8. The O-ring installation inspection marker of claim 1, wherein, One end of the grabbing and placing component (7) is provided with a servo drive mechanism (7-1), one side of the servo drive mechanism (7-1) is provided with a mechanical hand one (7-2), the mechanical hand one (7-2) and the mechanical hand two (7-4) are provided with a sliding lead screw (7-3), the mechanical hand two (7-4) is arranged on the platform of the grabbing and placing component (7), the platform of the grabbing and placing component (7) is further provided with a mechanical hand three (7-5), a mechanical hand four (7-6), a mechanical hand five (7-7) and a mechanical hand six (7-8), the side of the grabbing and placing component (7) is provided with an aluminum profile mounting rack (7-11), the upper side of the aluminum profile mounting rack (7-11) is provided with a sliding rail (7-9), the lower side of the aluminum profile mounting rack (7-11) is provided with a mounting base (7-10).

9. The O-ring installation inspection marker of claim 1, wherein, The lower part of the camera detection station (10) is a mounting frame and a rack fixed seat (10-3), the upper side of the mounting frame and the rack fixed seat (10-3) is a camera mounting frame (10-2), one side of the camera mounting frame (10-2) is provided with a camera two (10-1).

10. The O-ring installation inspection marker of claim 1, wherein, The lower side of the push rod torque detection station (11) is a push rod and a rack mounting seat (11-1), the upper side of the push rod and the rack mounting seat (11-1) is provided with an electric push rod (11-2), the end of the electric push rod (11-2) is provided with a push rod core head (11-3).

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