CN214875850U

CN214875850U - Crossing type automatic belt binding device for hard board product

Info

Publication number: CN214875850U
Application number: CN202120699877.XU
Authority: CN
Inventors: 陈曲剑; 顏朝信
Original assignee: Symtek Automation Dongguan Co Ltd
Current assignee: Symtek Automation Dongguan Co Ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-26
Anticipated expiration: 2031-04-06

Abstract

The utility model relates to the technical field of material packaging, in particular to a crossed automatic belt binding device for hard board products, which comprises a feeding mechanism, wherein the feeding mechanism automatically inputs the hard board products, and the hard board products comprise chip units and hard board trays for bearing the chip units; the device also comprises a first belt bundling machine, a second belt bundling machine and a steering mechanism; the first belt bundling machine winds the first belt body on the outer side of the hard board product input by the feeding mechanism to form a first ring; the steering mechanism is used for driving the hard board product processed by the first belt bundling machine to rotate around the vertical direction; the second belt bundling machine is used for winding a second belt body on the outer side of the hard plate product processed by the steering mechanism to form a second ring; the first ring and the second ring are bound on the outer side of the hard board product in a crossed manner; by means of the cooperation of steering mechanism and two banding machines, realize the crossing band of hardboard product, ensure that hardboard tray, chip unit are stably tied up and tie up and be tied up together, promote the band efficiency and the band yield of hardboard product.

Description

Crossing type automatic belt binding device for hard board product

Technical Field

The utility model relates to a material packaging technology field especially discloses an automatic band device of crossing of hardboard product.

Background

In the production and manufacturing process of the object, the object is often required to be subjected to various packaging processes, for example, in the production and manufacturing process of the chip unit, the chip unit is required to be put into the tray after the chip unit is manufactured, and in order to prevent the chip unit from falling off the tray, the chip unit and the tray are often required to be bound together through a tape.

The binding operation of chip unit and tray among the prior art is mainly handled through the operation workman is manual, binds inefficiently, and appears omitting easily and binds and lead to binding badly.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide a crossing automatic band device of hardboard product realizes the crossing band of hardboard product with the help of the cooperation of steering mechanism and two banding machines, ensures that hardboard tray, chip unit are stably tied up and tie up together, promotes the band efficiency and the band yield of hardboard product.

In order to achieve the above object, the cross type automatic belt binding device for hard board products of the present invention comprises a feeding mechanism, wherein the feeding mechanism is used for automatically inputting the hard board products, and the hard board products comprise chip units and hard board trays for bearing the chip units; the device also comprises a first belt bundling machine, a second belt bundling machine and a steering mechanism positioned between the two belt bundling machines; the first belt bundling machine is used for winding the first belt body on the outer side of the hard board product input by the feeding mechanism to form a first ring, and the chip unit and the hard board tray are bound together by the first ring; the steering mechanism is used for driving the hard board product processed by the first belt bundling machine to rotate around the vertical direction; the second belt binding machine is used for winding a second belt body on the outer side of the hard board product processed by the steering mechanism to form a second ring, and the second ring is used for binding the chip unit and the hard board tray together; the first ring and the second ring are respectively arranged around the central axis of the hard board product in the length direction and the central axis of the hard board product in the width direction; the hard board product conveying device is characterized by further comprising a first mechanical arm and a code reading mechanism, the hard board product output by the feeding mechanism is conveyed to the code reading mechanism by the first mechanical arm, the code reading mechanism automatically reads a data bar code of a hard board tray of the hard board product, and the hard board product after the code reading mechanism finishes code reading is input into the first bundling belt machine by the first mechanical arm to be bundled.

The steering mechanism comprises a first support, a rotary cylinder arranged on the first support in a lifting mode, a first driving piece used for driving the rotary cylinder to lift up and down, and a supporting plate arranged on a piston rod of the rotary cylinder, wherein the supporting plate is provided with a plurality of friction ribs and a plurality of suction nozzle pieces respectively located on two sides of the friction ribs; the supporting disk is used for bearing the hard board product after the first belt bundling machine is processed, the hard board product is pressed and held on the friction rib, and the hard board tray of hard board product is respectively sucked to a plurality of suction nozzle pieces.

The steering mechanism further comprises a positioning disc arranged on the first support in a lifting mode and a second driving piece used for driving the positioning disc to lift up and down, the positioning disc is provided with a yielding hole penetrating through the positioning disc, and the supporting disc rises above the positioning disc or falls below the positioning disc through the yielding hole; the positioning disc is provided with a bottom wall, a stopping wall and two guide walls, the stopping wall and the two guide walls are located on the same side of the bottom wall, the abdicating hole penetrates through the bottom wall and is located between the two guide walls, the two guide walls are located on the same side of the stopping wall, one end, away from the stopping wall, of each guide wall is provided with a guide inclined plane, and the hard plate product processed by the first belt bundling machine enters the space between the two guide walls through the guide inclined planes until the hard plate product is abutted against the stopping wall.

The steering mechanism further comprises a first transfer piece, the first transfer piece comprises a second support, two annular belts which are rotatably arranged on the second support and arranged in parallel, and a third driving piece for driving the two annular belts to synchronously rotate, and the two annular belts are respectively positioned on the upper side of the first support; the rotary cylinder drives the supporting disc to rotate so that the hard board product processed by the first belt bundling machine rotates, and two ends of the rotated hard board product are respectively pressed on the two annular belts.

The feeding mechanism comprises a third support, a plurality of loading platforms which are arranged on the third support and are parallel up and down, a fourth driving part used for driving the third support to ascend and descend up and down, and a plurality of second transferring parts respectively arranged on the plurality of loading platforms, wherein the loading platforms are used for bearing a plurality of hard board products which are parallel, and the second transferring parts are used for conveying the plurality of hard board products borne by the loading platforms to the first belt bundling machine one by one.

The second transfer piece comprises two parallel annular chains rotatably arranged on the carrying platform and a driving motor used for driving the two annular chains to rotate synchronously, the annular chains are provided with a plurality of rotating supporting wheels, the supporting wheels are arranged in parallel along the length direction of the annular chains, the driving motor is used for driving chain wheels meshed with the annular chains to enable the annular chains to rotate, gear teeth of the chain wheels protrude into the space between the two adjacent supporting wheels, and two ends of a hard plate product are respectively pressed on the supporting wheels of the two annular chains.

The carrying platform is provided with two parallel guide shells which are matched with the two annular chains respectively, each guide shell is provided with a first through hole, a first guide groove which is concavely arranged on the bottom wall of the first through hole, a second through hole which is isolated from the first through hole, a second guide groove which is concavely arranged on the bottom wall of the second through hole, and a third guide groove which runs through the top wall of the second through hole, the annular chains are provided with two parallel horizontal parts, the two horizontal parts are respectively positioned in the first through holes and the second through holes, the lower ends of the supporting wheels of the two horizontal parts are respectively accommodated in the first guide grooves and the second guide grooves, and the upper ends of the supporting wheels of the horizontal parts in the second through holes protrude out of the guide shells through the third guide grooves and are used for bearing hard board products.

The bag filling machine is used for automatically filling the hard board products subjected to the belt treatment by the second belt binding machine into the plastic bag, and the vacuum sealing machine is used for vacuumizing the plastic bag subjected to the bag filling machine treatment and automatically sealing the vacuumized plastic bag.

The vacuum sealing machine comprises a vacuumizing unit, a hollow insertion pipe, a telescopic pipe communicated with the vacuumizing unit and the hollow insertion pipe, a second mechanical arm used for driving the hollow insertion pipe to enter and exit the plastic bag, a heat-sealing head used for sealing the plastic bag, and a third mechanical arm used for driving the heat-sealing head to be close to or far away from the plastic bag.

The utility model has the advantages that: the utility model discloses an automatic band device of crossing of hardboard product ties up the operation with the help of the cooperation of steering mechanism and two banding machines, realizes that the automatic band of crossing of hardboard product ties up, ensures that hardboard tray, chip unit are stable ties up and tie up together, need not the manual tie up of operation workman and tie up, promotes the band efficiency and the band yield of hardboard product.

Drawings

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

fig. 2 is a schematic structural view of the steering mechanism of the present invention;

fig. 3 is a schematic structural view of a support plate and a positioning plate of the present invention;

fig. 4 is a schematic structural view of the feeding mechanism of the present invention;

fig. 5 is a schematic perspective view of the carrier, the guide housing, and the second conveying member of the present invention;

fig. 6 is a schematic view of a partially exploded structure of the carrier, the guide housing, and the second conveying member of the present invention.

The reference numerals include:

1-feeding mechanism 2-first belt bundling machine 3-second belt bundling machine

4-steering mechanism 5-first support 6-rotary cylinder

7-support plate 8-suction nozzle piece 9-positioning plate

11-abdicating hole 12-bottom wall 13-stop wall

14-guide wall 15-first transfer member 16-endless belt

17-third support 18-carrier 19-second transfer

21-endless chain 22-supporting wheel 23-guide housing

24-first bore 25-first guide groove 26-second bore

27-second guide groove 28-third guide groove 29-first manipulator

31-code reading mechanism 32-bagging machine 33-vacuum sealing machine.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 6, the cross type automatic belt device for hard board products of the present invention includes a feeding mechanism 1, the feeding mechanism 1 is used for automatically inputting the hard board products, and the hard board products include chip units and hard board trays for carrying the chip units.

The automatic belt bundling machine further comprises a first belt bundling machine 2, a second belt bundling machine 3 and a steering mechanism 4 positioned between the two belt bundling machines; the first belt bundling machine 2 is used for winding the first belt body on the outer side of a hard board product input by the feeding mechanism 1 to form a first ring, and the chip unit and the hard board tray are bound together by the first ring to prevent the chip unit and the flat board tray from being separated from each other.

The steering mechanism 4 is used for driving the hard board product processed by the first belt bundling machine 2 to rotate around the vertical direction, and preferably, the steering mechanism 4 drives the hard board product to rotate around the vertical direction by 90 degrees; the second belt binding machine 3 is used for winding a second belt body on the outer side of the hard board product processed by the steering mechanism 4 to form a second ring, and the second ring is used for binding the chip unit and the hard board tray together.

The first ring and the second ring are respectively arranged around the central axis of the hard board product in the length direction and the central axis of the hard board product in the width direction, namely, the first ring and the second ring are in a vertical state, and when the hard board product is overlooked, the first ring and the second ring are approximately in a cross shape.

The utility model discloses an automatic band device of crossing of hardboard product ties up the operation with the help of steering mechanism 4 and the cooperation of two banding machines, realizes that the automatic band of crossing of hardboard product ties up, ensures that hardboard tray, chip unit are stable ties up and tie up together, need not the manual band of operation workman and ties up, promotes the band efficiency and the band yield of hardboard product.

The steering mechanism 4 comprises a first support 5, a rotary cylinder 6 arranged on the first support 5 in a lifting manner, a first driving piece for driving the rotary cylinder 6 to lift up and down, and a supporting disc 7 fixedly arranged on a piston rod of the rotary cylinder 6, wherein the supporting disc 7 is provided with a plurality of friction ribs and a plurality of suction nozzle pieces 8 respectively positioned on two sides of each friction rib, the number of the friction ribs is multiple, the friction ribs are arranged in parallel, all the friction ribs are positioned between the suction nozzle pieces 8, and of course, according to actual needs, the number of the suction nozzle pieces 8 on the same side of all the friction ribs can be multiple.

The supporting disk 7 is used for bearing the hard board product after the first belt bundling machine 2 is handled, and the hard board product is pressed and is held on the friction rib, and via the setting of friction rib, the frictional force between increase supporting disk 7 and the hard board product for hard board product is difficult for taking place relative movement relative to supporting disk 7. The hard board tray of hard board product is inhaled respectively to a plurality of suction nozzle spares 8, and with the help of the attraction of suction nozzle spare 8 to hard board product, ensure that hard board product is stable to be positioned on supporting disk 7, when steering mechanism 4 drive hard board product rotates, avoid hard board product to drop from supporting disk 7.

The steering mechanism 4 further comprises a positioning disc 9 arranged on the first support 5 in a lifting mode and a second driving piece used for driving the positioning disc 9 to lift up and down, the shape and the structure of the positioning disc 9 are approximately matched with those of a hard plate tray of a hard plate product, the positioning disc 9 is provided with a yielding hole 11 penetrating through the positioning disc 9, the yielding hole 11 is located in the middle of the positioning disc 9, and the supporting disc 7 rises to the upper side of the positioning disc 9 or falls to the lower side of the positioning disc 9 through the yielding hole 11. The second driving piece drives the positioning disk 9 to ascend and descend vertically to achieve automatic adjustment of the height of the positioning disk 9.

The positioning plate 9 has a bottom wall 12, a stop wall 13 and two guide walls 14, the stop wall 13 and the guide walls 14 are both located above the bottom wall 12, the stop wall 13 and the two guide walls 14 are arranged around the abdicating hole 11, the abdicating hole 11 penetrates through the bottom wall 12, the abdicating hole 11 is located between the two guide walls 14, the two guide walls 14 are located on the same side of the stop wall 13, and one end of the guide wall 14 away from the stop wall 13 is provided with a guide inclined surface.

In practical use, the hard board product processed by the first tape bundling machine 2 moves to the positioning plate 9, and when the hard board product just moves to the positioning plate 9, the hard board product abuts against the guide inclined plane, and with the continuous movement of the hard board product, the hard board product enters between the two guide walls 14 through the guide of the guide inclined plane until the hard board product abuts against the stop wall 13.

Then the first driving piece drives the rotary cylinder 6 to drive the supporting disk 7 to ascend through the abdicating hole 11, the supporting disk 7 jacks up the hard board product borne by the positioning disk 9 when ascending through the abdicating hole 11, then the suction nozzle piece 8 sucks the hard board product jacked up by the supporting disk 7, then the rotary cylinder 6 drives the supporting disk 7 to drive the hard board product borne by the supporting disk 7 to rotate, so that automatic steering of the hard board product is realized, and the second belt binding machine 3 automatically binds the hard board product steered by the steering mechanism 4.

The steering mechanism 4 further comprises a first transfer member 15, the first transfer member 15 comprises a second bracket, two annular belts 16 rotatably disposed on the second bracket and arranged in parallel, and a third driving member for driving the two annular belts 16 to rotate synchronously, and the two annular belts 16 are respectively located on the upper side of the first bracket 5.

The rotating cylinder 6 drives the supporting disc 7 to rotate so that the hard board product processed by the first belt bundling machine 2 rotates, during actual use, after the hard board product borne by the rotating cylinder 6 drives the supporting disc 7 to rotate by a preset angle, the suction nozzle piece 8 loosens the hard board product, then the first driving piece drives the supporting disc 7 to descend, two ends of the descended hard board product are respectively pressed on the two annular belts 16, the supporting disc 7 descends to the lower side of the positioning disc 9 through the abdicating hole 11, and then the third driving piece drives the two annular belts 16 to rotate so as to output the borne hard board product to the second belt bundling machine 3.

The feeding mechanism 1 includes a third support 17, a plurality of stages 18 that are arranged on the third support 17 and are parallel up and down, a fourth driving part for driving the third support 17 to move up and down, and a plurality of second conveying parts 19 that are respectively arranged on the plurality of stages 18, preferably, the plurality of stages 18 are arranged at equal intervals, the stages 18 are used for carrying a plurality of parallel hard board products, the plurality of hard board products are arranged in a length direction of the stages 18, and the second conveying parts 19 are used for conveying the plurality of hard board products carried by the stages 18 to the first belt bundling machine 2 one by one.

By means of the structural design of the feeding mechanism 1, the feeding mechanism 1 can bear a plurality of hard board products at one time, and the feeding efficiency of the hard board products is improved. Of course, in actual use, the number of the feeding mechanisms 1 can be configured to be multiple, and the multiple feeding mechanisms 1 are used alternately, so that continuous and uninterrupted feeding of the hard board products is realized.

The second conveying member 19 includes two parallel endless chains 21 rotatably disposed on the carrier 18, and a driving motor for driving the two endless chains 21 to rotate synchronously, the endless chains 21 are provided with a plurality of rotating supporting wheels 22, the plurality of supporting wheels 22 are arranged in parallel along the length direction of the endless chains 21, the driving motor is used for driving a sprocket engaged with the endless chains 21 to rotate the endless chains 21, the teeth of the sprocket protrude into between the two adjacent supporting wheels 22, and two ends of the hard sheet product are respectively pressed and held on the supporting wheels 22 of the two endless chains 21.

Two annular chains 21 of driving motor drive rotate in step, bear respectively with the help of two annular chains 21 and hold the hardboard product both ends of controlling far away from each other, ensure that the hardboard product is balanced at the removal in-process atress, avoid the hardboard product to take place crooked at the removal in-process, ensure that the hardboard product keeps in required accurate posture output, promote the band efficiency of follow-up band equipment to the hardboard product.

The carrier 18 is provided with two parallel guide housings 23 respectively matching the two endless chains 21, each guide housing 23 is provided with a first through hole 24, a first guide groove 25 concavely arranged on the bottom wall 12 of the first through hole 24, a second through hole 26 isolated from the first through hole 24, a second guide groove 27 concavely arranged on the bottom wall 12 of the second through hole 26, and a third guide groove 28 penetrating through the top wall of the second through hole 26, the endless chains 21 are provided with two parallel horizontal parts, the two horizontal parts are respectively positioned in the first through hole 24 and the second through hole 26, the lower ends of the support wheels 22 of the two horizontal parts are respectively accommodated in the first guide groove 25 and the second guide groove 27, and the upper end of the support wheel 22 of the horizontal part in the second through hole 26 protrudes out of the guide housing 23 through the third guide groove 28 and is used for bearing hard board products.

The guide shell 23 is used for covering the protective annular chain 21, so that the annular chain 21 is less badly used due to the fact that external sundries enter the annular chain 21 compared with the annular chain 21 exposed, and the service life of the annular chain 21 is prolonged. In the process of rotating the annular chain 21, the lower ends of the supporting wheels 22 of the two horizontal parts are rolled and pressed on the bottom wall 12 of the first guide groove 25 and the bottom wall 12 of the second guide groove 27, and the supporting wheels 22 of the horizontal parts are limited by the side walls of the first guide groove 25 and the side walls of the second guide groove 27, so that the supporting wheels 22 are prevented from swinging left and right and are not used well. The two ends of the hard board product are respectively pressed on the upper ends of the supporting wheels 22 of the horizontal parts, which protrude out of the guide shell 23, so that the hard board product is prevented from being damaged by friction due to the fact that other parts of the carrying platform 18 contact the hard board product, and the service life of the hard board product is prolonged.

The crossed automatic belt device for the hardboard products further comprises a first mechanical arm 29 and a code reading mechanism 31, the hardboard products output by the feeding mechanism 1 are transferred to the code reading mechanism 31 by the first mechanical arm 29, the code reading mechanism 31 automatically reads data bar codes of hardboard trays of the hardboard products, the size data parameters of the hardboard products are known by the code reading mechanism 31 according to the read data bar codes, then the length of the belt body is adjusted by triggering the belt machine, the hardboard products with various sizes can be bound by the belt machine, and the hardboard products after the code reading of the code reading mechanism 31 are input into the first belt machine 2 by the first mechanical arm 29 to be subjected to belt treatment.

The crossed automatic bundling device for the hard board products further comprises a bagging machine 32 and a vacuum sealing machine 33, the bagging machine 32 is used for automatically filling the hard board products subjected to bundling processing by the second bundling machine 3 into the plastic bag, an operator does not need to manually fill the hard board products into the plastic bag, and the vacuum sealing machine 33 is used for vacuumizing the plastic bag processed by the bagging machine 32 and automatically sealing the vacuumized plastic bag. The vacuum sealing machine 33 is utilized to enable the hard board product to be in the vacuum plastic bag, so that air in the plastic bag is prevented from polluting the chip unit, and the storage life of the hard board product is guaranteed.

The vacuum sealing machine 33 comprises a vacuumizing unit, a hollow insertion tube, a telescopic tube for communicating the vacuumizing unit with the hollow insertion tube, a second mechanical arm for driving the hollow insertion tube to enter and exit the plastic bag, a heat-sealing end enclosure for sealing the plastic bag, and a third mechanical arm for driving the heat-sealing end enclosure to be close to or far away from the plastic bag.

After the bagging machine 32 packs the hard plate products into the plastic bag, the second mechanical arm drives the hollow insertion tube to move so that the hollow insertion tube is inserted into the plastic bag, then the vacuumizing unit is started and vacuumizes the plastic bag through the telescopic tube and the hollow insertion tube, and after the vacuum degree in the plastic bag reaches a preset value, the third mechanical arm drives the heat-sealing end socket to move to a position between the hollow insertion tube and the hard plate products in the plastic bag, and the heat-sealing end socket is abutted against the plastic bag so that the plastic bag is sealed. Preferably, the hollow insertion tube is made of copper alloy, so that the probability that the hollow insertion tube is damaged due to high temperature influence is reduced, the hollow insertion tube is rapidly cooled by means of rapid heat dissipation of the copper alloy, and interference on subsequent vacuumizing treatment of the plastic bag due to overhigh temperature of the hollow insertion tube is avoided.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A cross type automatic belt binding device for hard board products comprises a feeding mechanism, wherein the feeding mechanism is used for automatically inputting the hard board products, and each hard board product comprises a chip unit and a hard board tray used for bearing the chip unit; the method is characterized in that: the device also comprises a first belt bundling machine, a second belt bundling machine and a steering mechanism positioned between the two belt bundling machines; the first belt bundling machine is used for winding the first belt body on the outer side of the hard board product input by the feeding mechanism to form a first ring, and the chip unit and the hard board tray are bound together by the first ring; the steering mechanism is used for driving the hard board product processed by the first belt bundling machine to rotate around the vertical direction; the second belt binding machine is used for winding a second belt body on the outer side of the hard board product processed by the steering mechanism to form a second ring, and the second ring is used for binding the chip unit and the hard board tray together; the first ring and the second ring are respectively arranged around the central axis of the hard board product in the length direction and the central axis of the hard board product in the width direction; the hard board product conveying device is characterized by further comprising a first mechanical arm and a code reading mechanism, the hard board product output by the feeding mechanism is conveyed to the code reading mechanism by the first mechanical arm, the code reading mechanism automatically reads a data bar code of a hard board tray of the hard board product, and the hard board product after the code reading mechanism finishes code reading is input into the first bundling belt machine by the first mechanical arm to be bundled.

2. The cross-bar automatic strapping device for hard-board products of claim 1 wherein: the steering mechanism comprises a first support, a rotary cylinder arranged on the first support in a lifting mode, a first driving piece used for driving the rotary cylinder to lift up and down, and a supporting plate arranged on a piston rod of the rotary cylinder, wherein the supporting plate is provided with a plurality of friction ribs and a plurality of suction nozzle pieces respectively positioned on two sides of the friction ribs, the friction ribs are arranged in parallel, and all the friction ribs are positioned among the suction nozzle pieces; the supporting disk is used for bearing the hard board product after the first belt bundling machine is processed, the hard board product is pressed and held on the friction rib, and the hard board tray of hard board product is respectively sucked to a plurality of suction nozzle pieces.

3. The cross-bar automatic strapping device for hard-board products of claim 2, wherein: the steering mechanism further comprises a positioning disc arranged on the first support in a lifting mode and a second driving piece used for driving the positioning disc to lift up and down, the positioning disc is provided with a yielding hole penetrating through the positioning disc, and the supporting disc rises above the positioning disc or descends below the positioning disc through the yielding hole; the positioning disc is provided with a bottom wall, a stopping wall and two guide walls, the stopping wall and the two guide walls are located on the same side of the bottom wall, the abdicating hole penetrates through the bottom wall and is located between the two guide walls, the two guide walls are located on the same side of the stopping wall, one end, away from the stopping wall, of each guide wall is provided with a guide inclined plane, and the hard plate product processed by the first belt bundling machine enters the space between the two guide walls through the guide inclined planes until the hard plate product is abutted against the stopping wall.

4. The cross-bar automatic strapping device for hard-board products of claim 2, wherein: the steering mechanism further comprises a first transfer piece, the first transfer piece comprises a second support, two annular belts which are rotatably arranged on the second support and arranged in parallel, and a third driving piece for driving the two annular belts to synchronously rotate, and the two annular belts are respectively positioned on the upper side of the first support; the rotary cylinder drives the supporting disc to rotate so that the hard board product processed by the first belt bundling machine rotates, and two ends of the rotated hard board product are respectively pressed on the two annular belts.

5. The cross-bar automatic strapping device for hard-board products of claim 1 wherein: the feeding mechanism comprises a third support, a plurality of loading platforms which are arranged on the third support and are parallel up and down, a fourth driving part used for driving the third support to ascend and descend up and down, and a plurality of second conveying parts respectively arranged on the plurality of loading platforms, wherein the loading platforms are used for bearing a plurality of parallel hard board products, and the second conveying parts are used for conveying the plurality of hard board products borne by the loading platforms to the first belt bundling machine one by one.

6. The cross-bar automatic strapping device for hard-board products of claim 5, wherein: the second transfer piece comprises two parallel annular chains rotatably arranged on the carrying platform and a driving motor used for driving the two annular chains to rotate synchronously, the annular chains are provided with a plurality of rotating supporting wheels, the supporting wheels are arranged in parallel along the length direction of the annular chains, the driving motor is used for driving chain wheels meshed with the annular chains to enable the annular chains to rotate, the gear teeth of the chain wheels extend into the space between the two adjacent supporting wheels, and two ends of a hard plate product are respectively pressed on the supporting wheels of the two annular chains.

7. The cross-bar automatic strapping device for hard-board products of claim 6, wherein: the microscope carrier is provided with two parallel guide shells which are respectively matched with the two annular chains, each guide shell is provided with a first through hole, a first guide groove concavely arranged on the bottom wall of the first through hole, a second through hole isolated from the first through hole, a second guide groove concavely arranged on the bottom wall of the second through hole, and a third guide groove penetrating through the top wall of the second through hole, the annular chains are provided with two parallel horizontal parts, the two horizontal parts are respectively positioned in the first through holes and the second through holes, the lower ends of the supporting wheels of the two horizontal parts are respectively accommodated in the first guide grooves and the second guide grooves, and the upper ends of the supporting wheels of the horizontal parts in the second through holes protrude out of the guide shells through the third guide grooves and are used for bearing hard board products.

8. The cross-bar automatic strapping device for hard-board products of claim 1 wherein: the bag filling machine is used for automatically filling the hard board products processed by the second binding machine binding belt into the plastic bag, and the vacuum sealing machine is used for vacuumizing the plastic bag processed by the bag filling machine and automatically sealing the vacuumized plastic bag.

9. The cross-bar automatic strapping device for hard-board products of claim 8, wherein: the vacuum sealing machine comprises a vacuumizing unit, a hollow insertion pipe, a telescopic pipe communicated with the vacuumizing unit and the hollow insertion pipe, a second mechanical arm used for driving the hollow insertion pipe to enter and exit the plastic bag, a heat-sealing end enclosure used for sealing the plastic bag, and a third mechanical arm used for driving the heat-sealing end enclosure to be close to or far away from the plastic bag.