CN210001176U

CN210001176U - carrier moving production line device matched with unmanned operation production line

Info

Publication number: CN210001176U
Application number: CN201920313450.4U
Authority: CN
Inventors: 钱志强; 卢君念; 刘福来; 邓茜
Original assignee: Xirui (shenzhen) Intelligent Technology Co Ltd
Current assignee: Xirui (shenzhen) Intelligent Technology Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-01-31
Anticipated expiration: 2029-03-13

Abstract

The utility model relates to a carrier removal assembly line device of cooperation unmanned operation production line, including assembly line frame, the gib block, the carrier board, moving mechanism, carrier board clamping mechanism, carrier board hold-down mechanism and product climbing mechanism, two mutually spaced gib blocks are installed to assembly line frame top, place the carrier board between two gib blocks, assembly line frame front side installation moving mechanism, moving mechanism top installation carrier board clamping mechanism, the carrier removes assembly line device at the during operation, carrier board clamping mechanism presss from both sides tight carrier board, moving mechanism drive presss from both sides tight carrier board and removes processing station, carrier board clamping mechanism compresses tightly the carrier board, product climbing mechanism drive product on having compressed tightly the carrier board rises and breaks away from the carrier board and carries out processing such as corresponding point gluing or equipment, convenient operation is swift, therefore, the clothes hanger is strong in practicability, the degree of automation is high, need not to rely on the manpower, the cost is saved, can cooperate unmanned operation production line to use, and the user demand is satisfied.

Description

carrier moving production line device matched with unmanned operation production line

Technical Field

The utility model relates to a field, concretely relates to carrier removal assembly line device of kinds of cooperation unmanned operation production lines.

Background

With the rapid development of the 3C industry, the market demands of mobile phones, flat panels and the like are increasing day by day, in the manufacturing industry with continuously increased labor cost, the traditional manual or semi-automatic equipment operation is difficult to meet the customer demands, the automatic or semi-automatic equipment is becoming the standard allocation for more and more enterprises to produce and manufacture, especially for large enterprises, the automatic or semi-automatic equipment is used for replacing the labor power to become the normal state on the production line of the enterprises, the automatic or semi-automatic equipment can reduce the annual labor and recruitment for the enterprises, thereby using the cost for culturing high-end technical talents, improving the professional quality of the employees, directly reducing the annual monthly manpower and material expenditure of the companies, ensuring the precision and the quality in the production, and having much higher labor efficiency compared with the traditional manpower, avoiding the occurrence of false requests, no labor power or labor power, The physical strength is not supported.

The automatic or semi-automatic production mode is used, a program is set to enable the machine to operate automatically, man-machine conversation is carried out through the interphone and the display screen, the accident rate of industrial injuries is greatly reduced, the machining efficiency can also be ensured, and in a pipeline device for carrier movement of an unmanned operation production line, which device is used for reasonably driving a carrier plate and positioning directly influences the productivity and precision of camera assembly.

SUMMERY OF THE UTILITY MODEL

In order to cooperate unmanned operation production line normal use, the utility model provides a line device is removed to kinds of carriers of cooperation unmanned operation production line, concrete technical scheme as follows:

carrier moving line device matched with unmanned operation production line, including assembly line frame, guide strip, carrier plate, moving mechanism, carrier plate clamping mechanism and product jacking mechanism, two guide strips separated from each other are installed above the assembly line frame, carrier plate is placed between the two guide strips, carrier plate is used for bearing product, moving mechanism is installed at front side of the assembly line frame, carrier plate clamping mechanism is installed above moving mechanism, carrier plate clamping mechanism clamps carrier plate, moving mechanism drives carrier plate to move to processing station, product jacking mechanism is installed in middle of the assembly line frame, carrier plate clamping mechanism compresses carrier plate which has reached processing station, product jacking mechanism drives product on compressed carrier plate to rise and separate from carrier plate.

As the utility model discloses an preferred schemes, moving mechanism is linear motor, 4 carrier board clamping mechanism of moving mechanism top installation, and the carrier board is equipped with mirror symmetry's product and holds the chamber around 2, and carrier board hold-down mechanism has 2, and product climbing mechanism has 2.

As the utility model discloses an preferred schemes, carrier board clamping mechanism includes the motor mounting panel, a motor, eccentric camshaft, press from both sides tight cam follower, the connecting plate, go up the clamping jaw, lower clamping jaw, spring and spring holder, the motor mounting panel is installed in the moving mechanism top, motor mounting panel side installation motor, motor output shaft eccentric camshaft, eccentric camshaft is equipped with two eccentric wheels of decentraction, two eccentric wheels contact with two tight cam followers of clamp respectively, two tight cam followers of clamp are installed respectively in two left and right sides connecting plate below, the clamping jaw is installed to left side connecting plate top, right side connecting plate top installation lower clamping jaw, spring holds connecting plate middle part, holds the connecting spring holder in addition, the spring holder is installed in the motor mounting panel.

As the utility model discloses an preferred schemes, carrier board clamping mechanism still includes semicircle response piece and sensor, and the terminal installation semicircle of eccentric camshaft responds to the piece, thereby the sensor is through detecting the semicircle response piece and whether passing through the judgement eccentric camshaft turned position.

As the utility model discloses an preferred scheme, connecting plate rear installation slide rail, slide rail sliding connection slider, slider are installed in the slider fixed plate, slider fixed plate sliding connection assembly line frame.

As the utility model discloses an preferred schemes, carrier board hold-down mechanism compresses tightly the cylinder including compressing tightly the mounting panel, compressing tightly cylinder, pressure strip and buffer, compresses tightly the installation of mounting panel side and compresses tightly the cylinder, compresses tightly cylinder drive pressure strip and pushes down and compress tightly the carrier board, and the pressure strip is L shape, compresses tightly the buffer of mounting panel below installation buffering pressure strip.

As the utility model discloses an preferred schemes, product climbing mechanism includes lift cylinder, movable plate, cam orbit piece, lift cam follower, lifter plate, level adjusting plate, electricity magnet and inhales iron plate, and control about the lift cylinder drive movable plate, movable plate top installation cam orbit piece, the orbit face and the lift cam follower of cam orbit piece are tangent, and lift cam follower installs in the lifter plate bottom, lifter plate top installation level adjusting plate, and level adjusting plate top installation electricity magnet, iron plate is inhaled in the installation of electricity magnet top, and the product is adsorbed to the magnet plate.

As the utility model discloses an preferred scheme still includes push pedal mechanism, and push pedal mechanism installs at assembly line frame end, and push pedal mechanism includes revolving cylinder and scraping wings, and revolving cylinder drive scraping wings rotates and releases the carrier board from the gib block end.

As the utility model discloses an preferred schemes, still include gib block width adjustment mechanism, gib block width adjustment mechanism includes the slide rail seat, the movable block, the fixed block, the nut, the screw rod, the handle, locking strip and locking strip fixed screw, slide rail seat top front side installation fixed block rear side installation movable block, preceding gib block is installed in the fixed block, back gib block is installed in the movable block, movable block internally mounted nut, nut threaded connection screw rod, the screw rod head passes slide rail seat forward and connects the handle, the movable block alternates the locking strip, locking strip fixed screw is installed and is used for locking the fixed locking strip with the movable block in the movable block.

The utility model has the advantages that: the carrier removes assembly line device at the during operation, carrier board clamping mechanism presss from both sides tight carrier board, the tight carrier board of moving mechanism drive clamp moves to machining-position, carrier board pressing mechanism compresses tightly the carrier board, the product climbing mechanism drive has compressed tightly the product on the carrier board and rises and break away from the carrier board and carry out processing such as corresponding point is glued or the equipment, convenient operation is swift, therefore, the clothes hanger is strong in practicability, degree of automation is high, need not to rely on the manpower, the cost is saved, can cooperate unmanned operation production line to use, satisfy the user demand.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view from another perspective of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a perspective view of the carrier plate of the present invention;

fig. 5 is an assembled perspective view of the moving mechanism and the carrier plate clamping mechanism of the present invention;

fig. 6 is a perspective view of the carrier plate clamping mechanism of the present invention;

fig. 7 is a schematic diagram of the cooperation of the motor, the eccentric cam shaft, the clamping cam follower and the connecting plate of the carrier plate clamping mechanism of the present invention;

fig. 8 is a schematic diagram of the cooperation of the eccentric camshaft and the clamping cam follower of the carrier plate clamping mechanism of the present invention;

fig. 9 is a schematic view of the connection plate and the spring of the carrier plate clamping mechanism according to the present invention;

fig. 10 is a schematic diagram of the eccentric cam shaft, the semicircular induction piece and the sensor of the carrier plate clamping mechanism of the present invention;

fig. 11 is a schematic view showing the engagement of the connecting plate, the slider and the slide rail of the carrier plate clamping mechanism of the present invention;

fig. 12 is a perspective view of the carrier plate pressing mechanism of the present invention;

fig. 13 is a perspective view of the product lifting mechanism and the carrier plate of the present invention;

fig. 14 is a perspective view of the product jacking mechanism of the present invention;

fig. 15 is a schematic diagram of the cam track block and the lifting cam follower of the product jacking mechanism according to the present invention;

fig. 16 is a perspective view of the push plate mechanism of the present invention;

fig. 17 is a schematic view of the guide strip width adjusting mechanism of the present invention cooperating with the guide strip;

fig. 18 is a perspective view of the guide bar width adjustment mechanism of the present invention.

Detailed Description

The following describes the embodiments of the present invention in steps with reference to the attached drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" shall be construed , and for example, they may be fixedly connected, detachably connected, or physically connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, and communicating between two elements.

As shown in fig. 1 to 4, carrier moving line devices cooperating with an unmanned production line comprise a line frame 1, guide bars 2, carrier plates 3, a moving mechanism 4, a carrier plate clamping mechanism 5, a carrier plate pressing mechanism 6 and a product jacking mechanism 7, wherein two spaced guide bars 2 are installed above the line frame 1, the carrier plates 3 are placed between the two guide bars 2, the carrier plates 3 are used for bearing products, the moving mechanism 4 is installed on the front side of the line frame 1, the carrier plate clamping mechanism 5 is installed above the moving mechanism 4, the carrier plate clamping mechanism 5 clamps the carrier plates 3, a plurality of clamping grooves 31 convenient to clamp are formed in the carrier plates 3, the moving mechanism 4 drives the carrier plates 3 to move to a processing station, the product jacking mechanism 7 is installed in the middle of the line frame 1, the carrier plate pressing mechanism 6 presses the carrier plates 3 which reach the processing station, and the product jacking mechanism 7 drives the products pressed on the carrier plates 3 to ascend and separate from the carrier plates 3, so as to perform various processing.

As shown in fig. 3 and 5, the moving mechanism 4 is a linear motor, 4 carrier plate clamping mechanisms 5 are installed above the moving mechanism 4, 2 product accommodating cavities 32 with front and back mirror symmetry are arranged on the

carrier plate

3, 2 carrier plate pressing mechanisms 5 are provided, and 2 product jacking mechanisms 7 are provided.

As shown in fig. 6 to 9, the carrier plate clamping mechanism 5 includes a motor mounting plate 51, a motor 52, an eccentric cam shaft 53, clamping cam followers 54, a connecting plate 55, an upper clamping jaw 56, a lower clamping jaw 57, a spring 58 and a spring seat 59, the motor mounting plate 51 is mounted above the moving mechanism 4, the motor 52 is mounted on the side of the motor mounting plate 51, the output shaft of the motor is connected with the eccentric cam shaft 53, the eccentric cam shaft 53 is provided with two eccentric wheels which are not concentric and are respectively contacted with the two clamping cam followers 54, the two clamping cam followers 54 are respectively mounted below the left and right connecting plates 55, the upper clamping jaw 56 is mounted above the left connecting plate 55, the lower clamping jaw 57 is mounted above the right connecting plate, the middle part of the connecting plate 55 is connected with the spring 58 end, the spring seat 59 is connected with the end of , the spring seat 59 is mounted on the motor mounting plate 51, the spring 58 is 2 correspondingly, the motor 52 drives the eccentric cam shaft 53 to rotate, the eccentric cam shaft 53 drives the left and right connecting plates 55 to respectively to move up or down, the left and right connecting plates 55 drive the upper clamping.

As shown in fig. 11, the carrier plate clamping mechanism 5 further includes a semicircular sensing piece 510 and a sensor 511, the semicircular sensing piece 510 is installed at the end of the eccentric cam shaft 53, the sensor 511 determines the rotation position of the eccentric cam shaft 53 by detecting whether the semicircular sensing piece 510 passes through, in addition, as shown in fig. 12, a slide rail 512 is installed at the rear of the connecting plate 55, the slide rail 512 is slidably connected with a slide block 513, the slide block 513 is installed on a slide block fixing plate 514, the slide block fixing plate 514 is slidably connected with the assembly line frame 1, when the connecting plate 55 moves up and down, the connecting plate 55 can slide accurately and smoothly under the matching of the slide.

As shown in fig. 12, the carrier plate pressing mechanism 6 includes a pressing mounting plate 61, a pressing cylinder 62, a pressing plate 63, and a buffer 64, the pressing cylinder 62 is mounted on a side of the pressing mounting plate 61, the pressing cylinder 62 drives the pressing plate 63 to press the pressing carrier plate 3 downward, the pressing plate 63 is L-shaped, and the buffer 64 for buffering the pressing plate 63 is mounted above and below the pressing mounting plate 61.

As shown in fig. 13 to 15, the product lifting mechanism 7 includes a lifting cylinder 71, a moving plate 72, a cam track block 73, a lifting cam follower 74, a lifting plate 75, a leveling plate 76, an electric magnet 77 and an iron attracting plate 78, the lifting cylinder 71 drives the moving plate 72 to move left and right, the cam track block 73 is installed above the moving plate 72, a track surface of the cam track block 73 is tangent to the lifting cam follower 74, the lifting cam follower 74 is installed at the bottom of the lifting plate 75, the leveling plate 76 is installed above the lifting plate 75, the electric magnet 77 is installed above the leveling plate 76, the iron attracting plate 78 is installed above the electric magnet 77, the iron attracting plate 78 adsorbs a product, the lifting cylinder 71 drives the moving plate 72 to move, the moving plate 72 drives the cam track block 73 to move, the cam track block 73 drives the moving plate 74 to roll, so as to convert the horizontal motion into the vertical motion, the lifting cam follower 74 drives the lifting plate 75 to lift up, the lifting plate 75 drives the leveling plate 76 to lift, the leveling plate 76 drives the iron attracting plate 78 to extend out of the product accommodating cavity 32 to prop against the product, meanwhile, the electric magnet 77 is electrified, the iron attracting plate 78 attracts the product, and the product is lifted to be flush and separated from the carrier plate 3.

As shown in fig. 16, the carrier moving line device further includes a push plate mechanism 8, the push plate mechanism 8 is installed at the end of the line frame 1, the push plate mechanism 8 includes a rotary cylinder 81 and a push plate 82, and the rotary cylinder 81 drives the push plate 82 to rotate to push the carrier plate 3 out of the end of the guide bar 2.

As shown in fig. 17 and 18, the carrier movement line device further includes a guide bar width adjustment mechanism 9, the guide bar width adjustment mechanism 9 includes a slide rail seat 91, a movable block 92, a fixed block 93, a nut 94, a screw 95, a handle 96, a locking bar 97 and a locking bar fixing screw 98, the fixed block 93 is installed on the front side above the slide rail seat 91, the movable block 82 is installed on the rear side, the front guide bar 2 is installed on the fixed block 93, the rear guide bar 2 is installed on the movable block 92, a nut 94 is installed inside the movable block 92, the nut 94 is in threaded connection with the screw 95, the head of the screw 95 passes forward through the slide rail seat 91 to connect with the handle 96, the movable block 92 is inserted through the locking bar 97, the locking bar fixing screw 98 is installed on the movable block 92 for locking the movable block 92 to fix the locking bar 97, in this embodiment, the slide rail seat 91, the movable block 92, the fixed block 93, the locking bar 97, the locking bar fixing screw 98 preferably has 3 sets, while the middle sets of slide rail seats 91 are installed with the nut 94, the screw 95, the screw 92, the movable block 92 drives the screw 92 to rotate the movable block 92, the movable block 92 drives the screw 92 to drive the movable block 92, the movable block 92 to move the guide bar to adjust the guide bar 2, and the guide bar width of the guide bar 2, thus, the guide bar.

The working principle is as follows: placing products on a carrier plate 3, placing the carrier plate 3 on two guide strips 3, driving an eccentric cam shaft 53 to rotate by a motor 52, driving a left connecting plate 55 to descend respectively by the eccentric cam shafts 53 through a clamping cam follower 54, driving a right connecting plate 55 to descend and ascend, driving an upper clamping jaw 56 to descend, driving a lower clamping jaw 57 to ascend and insert into a clamping groove of the carrier plate 3, driving a carrier plate clamping mechanism 5 to move by a moving mechanism 4, driving the carrier plate 3 to move to a working station by the carrier plate clamping mechanism 5, driving a pressing plate 63 to press the carrier plate 3 downwards by a pressing cylinder 62, driving a moving plate 72 to move by a lifting cylinder 71, driving a cam track block 73 to move by the moving plate 72, driving a lifting cam follower 74 to roll by the cam track block 73, driving a lifting plate 75 to ascend by the lifting cam follower 74, driving a horizontal adjusting plate 76 to ascend by the lifting plate 75, driving an iron sucking plate 78 to stretch out from a product bearing, meanwhile, the electric magnet 77 is powered on, the magnet plate 78 adsorbs products, the products are lifted to be flush and separated from the carrier plate 3, after the products are processed, the lifting cylinder 71 drives the moving plate 72 to move backwards and repeat the actions reversely, the magnet plate 78 descends, the electric magnet 77 is powered off, the products return to the carrier plate 3, the moving mechanism 4 drives the carrier plate clamping mechanism 5 to move again, the carrier plate clamping mechanism 5 clamps the carrier plate 3 to move to a material pushing station, and the rotating cylinder 81 drives the material pushing plate 82 to rotate to push the carrier plate 3 out of the tail end of the guide bar 2.

To sum up, the utility model discloses the carrier of cooperation unmanned operation production line removes assembly line device's advantage lies in:

1. the automatic control system has the advantages that the mechanisms act cooperatively, the operation is convenient and rapid, the practicability is high, the automation degree is high, the dependence on manpower is not needed, the cost is saved, and the automatic control system can be matched with an unmanned production line for use;

2. the guide strip width adjusting mechanism 9 can flexibly adjust the width of the guide strip to adapt to the movement of carrier plates with different widths on the production line, and the application range is ;

3. the carrier plate clamping mechanism 5 is reasonable in structural design, and the rotation motion of the motor is converted into the opening and closing motion of the upper clamping jaw and the lower clamping jaw through ingenious structural design, so that the carrier plate is clamped and loosened quickly, and the precision is high;

4. the product jacking mechanism 7 is reasonable in structural design, and through ingenious structural design, the horizontal linear motion of the cylinder is converted into the vertical jacking motion of the iron absorbing plate, so that the product is pushed out of the carrier plate, and the product jacking mechanism is convenient and quick to use;

5. the transplanting power source of whole assembly line is similar to 400 meters race principle, has 4 sets of carrier board clamping mechanism 5, and every set of carrier board clamping mechanism 5 motion section distance, and 4 sets of carrier board clamping mechanism 5 moving distance add up and be exactly assembly line length, and this mechanism can shorten the beat of equipment greatly, improves production efficiency.

The above disclosure is made by reference to steps for detailed description of the preferred embodiments, and it should not be considered that the embodiments of the present invention are limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented in a variety of ways without departing from the spirit and scope of the present invention.

Claims

The carrier moving production line device matched with the unmanned operation production line is characterized by comprising a production line frame, guide strips, a carrier plate, a moving mechanism, a carrier plate clamping mechanism, a carrier plate pressing mechanism and a product jacking mechanism, wherein two spaced guide strips are arranged above the production line frame, the carrier plate is placed between the two guide strips and used for bearing a product, the moving mechanism is arranged on the front side of the production line frame, the carrier plate clamping mechanism is arranged above the moving mechanism and used for clamping the carrier plate, the moving mechanism drives the carrier plate to move to a processing station, the product jacking mechanism is arranged in the middle of the production line frame, the carrier plate pressing mechanism presses the carrier plate which reaches the processing station, and the product jacking mechanism drives the product pressed on the carrier plate to ascend and separate from the carrier plate.
2. The carrier moving assembly line device for cooperating with the Unmanned Aerial Vehicle (UAV) production line as claimed in claim 1, wherein the moving mechanism is a linear motor, 4 carrier plate clamping mechanisms are installed above the moving mechanism, the carrier plate has 2 product holding cavities with front and back mirror symmetry, there are 2 carrier plate pressing mechanisms, and there are 2 product lifting mechanisms.
3. The carrier moving line device for unmanned aerial vehicle according to claim 1 or 2, wherein the carrier plate clamping mechanism comprises a motor mounting plate, a motor, an eccentric cam shaft, clamping cam followers, a connecting plate, an upper clamping jaw, a lower clamping jaw, a spring and a spring seat, the motor mounting plate is mounted above the moving mechanism, the motor is mounted on the side of the motor mounting plate, the motor output shaft is connected with the eccentric cam shaft, the eccentric cam shaft is provided with two eccentric wheels which are not concentric and are respectively contacted with the two clamping cam followers, the two clamping cam followers are respectively mounted below the left connecting plate and the right connecting plate, the upper clamping jaw is mounted above the left connecting plate, the lower clamping jaw is mounted above the right connecting plate, the middle part of the connecting plate is connected with the spring end, the spring seat is connected with the other end, and the spring.
4. The carrier moving assembly line device matched with an Unmanned Aerial Vehicle (UAV) production line, as claimed in claim 3, wherein the carrier plate clamping mechanism further comprises a semi-circular sensing piece and a sensor, the semi-circular sensing piece is mounted at the end of the eccentric cam shaft, and the sensor determines the rotation position of the eccentric cam shaft by detecting whether the semi-circular sensing piece passes through.
5. The carrier moving assembly line matched with the unmanned aerial vehicle production line of claim 3, wherein a slide rail is installed at the rear of the connecting plate and is slidably connected with a slide block, the slide block is installed on a slide block fixing plate, and the slide block fixing plate is slidably connected with the assembly line framework.
6. The carrier moving assembly line matched with the unmanned operation production line according to claim 1 or 2, wherein the carrier plate pressing mechanism comprises a pressing mounting plate, a pressing cylinder, a pressing plate and a buffer, the pressing cylinder is mounted at the side of the pressing mounting plate and drives the pressing plate to press the pressing carrier plate downwards, the pressing plate is L-shaped, and the buffer for buffering the pressing plate is mounted above and below the pressing mounting plate.
7. The carrier moving line device of claim 1 or 2, wherein the product lifting mechanism comprises a lifting cylinder, a moving plate, a cam track block, a lifting cam follower, a lifting plate, a level adjusting plate, an electric iron and an iron absorbing plate, the lifting cylinder drives the moving plate to move left and right, the cam track block is mounted above the moving plate, the track surface of the cam track block is tangent to the lifting cam follower, the lifting cam follower is mounted at the bottom of the lifting plate, the level adjusting plate is mounted above the lifting plate, the electric iron is mounted above the level adjusting plate, the iron absorbing plate is mounted above the electric iron, and the iron absorbing plate absorbs products.
8. The carrier moving assembly line device for matching with an Unmanned Aerial Vehicle (UAV) production line according to claim 1 or 2, further comprising a push plate mechanism, wherein the push plate mechanism is installed at the end of the assembly line frame, the push plate mechanism comprises a rotary cylinder and a push plate, and the rotary cylinder drives the push plate to rotate to push the carrier plate out of the end of the guide bar.
9. The carrier moving assembly line device matched with an unmanned aerial vehicle production line according to claim 1 or 2, further comprising a guide strip width adjusting mechanism, wherein the guide strip width adjusting mechanism comprises a slide rail seat, a movable block, a fixed block, a nut, a screw rod, a handle, a locking strip and a locking strip fixing screw, the fixed block is installed on the front side above the slide rail seat, the movable block is installed on the rear side above the slide rail seat, the front guide strip is installed on the fixed block, the rear guide strip is installed on the movable block, the nut is installed inside the movable block, the nut is connected with the screw rod in a threaded manner, the head of the screw rod penetrates through the slide rail seat forward to be connected with the handle, the movable block is penetrated with the locking strip, and the locking strip fixing screw is installed on the movable.