CN113979058A

CN113979058A - Unloader based on pp new material automatic measurement

Info

Publication number: CN113979058A
Application number: CN202111188326.8A
Authority: CN
Inventors: 张莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-01-28

Abstract

The invention relates to a loading and unloading device, in particular to an automatic metering loading and unloading device based on a pp new material. The utility model provides a can measure automatically, unloader based on pp new material automatic measurement that work efficiency is high. The utility model provides a unloader on pp new material automatic measurement, including: a frame; the workbench is arranged on the rack; the first mounting frame is arranged between the workbench and the rack; the storage frame is arranged on the first mounting frame; and the discharging hopper is arranged on the storage frame. According to the novel PP material feeding and discharging device, the feeding amount can be automatically measured when the PP new material is fed and discharged through the matching of the feeding hopper and the pressure sensor, a large number of material frames can be placed for use through the placing mechanism, the workload of workers is reduced, the material frames can be continuously pushed out through the pushing mechanism to be fed, and the material frames can be automatically conveyed to a proper position through the feeding mechanism after the new material is loaded in the material frames for subsequent operation.

Description

Unloader based on pp new material automatic measurement

Technical Field

The invention relates to a loading and unloading device, in particular to an automatic metering loading and unloading device based on a pp new material.

Background

pp materials, also known as polypropylene, are polymers of propylene produced by addition polymerization. Is white wax-like material, and has transparent and light appearance. The polypropylene is widely applied to the production of fiber products such as clothes, blankets and the like, medical instruments, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and is also used for packaging foods and medicines.

After the pp material is produced, it needs to be weighed for subsequent processing, packaging, etc. At present, before going on unloading to the pp new material, need the manual work to adorn the pp new material through collecting the frame, then transport the appointed place and weigh the measurement, go up unloading again after the measurement is accomplished, weigh the pp new material like this and weigh and need consume a large amount of time, and intensity of labour is high, and the workman is tired easily, leads to work efficiency low.

Therefore, it is necessary to provide an automatic metering loading and unloading device based on pp new material, which can automatically perform metering and has high working efficiency, to solve the above problems.

Disclosure of Invention

In order to overcome the defects of long time, high labor intensity and low working efficiency of manual metering, the invention has the technical problems that: the utility model provides a can measure automatically, unloader based on pp new material automatic measurement that work efficiency is high.

The technical scheme is as follows: the utility model provides a unloader on pp new material automatic measurement, including: a frame; the workbench is arranged on the rack; the first mounting frame is arranged between the workbench and the rack; the storage frame is arranged on the first mounting frame; the discharging hopper is arranged on the storage frame; the baffle is rotatably arranged on the discharging hopper and matched with the discharging hopper; the servo motor is arranged on the blanking hopper, and an output shaft of the servo motor is connected with the baffle; the pressure sensor is arranged on the workbench; the placing mechanism is arranged on the workbench; and the pushing mechanism is arranged on the workbench.

Further, it is particularly preferable that the placing mechanism includes: a vertical plate mounted on the worktable; two mounting blocks are arranged and are mounted on the workbench; the transverse plate is installed between the installation block and the vertical plate; the placing box is arranged on the workbench; the placing plate is arranged in the placing box in a sliding mode and is connected with the rack in a sliding mode; a handle mounted on the placing plate; a first spring installed between the placing plate and the placing case.

Further, it is particularly preferable that the urging mechanism includes: the first guide rod is arranged on the vertical plate; the first sliding block is arranged on the first guide rod in a sliding mode; the push plate is arranged on the first sliding block; the strip-shaped plate is arranged on the push plate; the first electric push rod is installed on the vertical plate, and the extension end of the first electric push rod is connected with the first sliding block.

In addition, it is particularly preferable that the device further comprises a feeding mechanism, and the feeding mechanism comprises: the second mounting rack is mounted on the workbench; a contact switch mounted on the second mounting bracket; the first sliding sleeve is slidably mounted on the second mounting frame; the second electric push rod is arranged on the first sliding sleeve; the prismatic rod is arranged on the second electric push rod; the first clamping plate is arranged on the prismatic rod; the second clamping plate is arranged on the prismatic rod in a sliding mode, and the extending end of the second electric push rod is connected with the second clamping plate; the travel switch is arranged on the second clamping plate; the speed reducing motor is arranged on the workbench; the swing rod is arranged on an output shaft of the speed reducing motor; the sliding rod is installed on the first sliding sleeve and is connected with the oscillating rod in a sliding mode.

Further, it is particularly preferable that the apparatus further comprises a rotating mechanism including: the rotating plate is rotatably arranged on the workbench; a housing mounted on the table; the third electric push rod is arranged in the shell; the vertical rod is arranged on the extending end of the third electric push rod; the second sliding sleeve is slidably mounted on the vertical rod; the arc-shaped guide rail is arranged on the workbench; and the L-shaped rod is installed on the rotating plate, is connected with the arc-shaped guide rail in a sliding manner, and is connected with the second sliding sleeve.

Further, it is particularly preferable that the apparatus further comprises a blocking mechanism including: the square plate is arranged on the placing box; the second guide rod is arranged on the square plate; the second sliding block is slidably mounted on the second guide rod; the second spring is arranged between the second sliding block and the second guide rod; the wedge-shaped fixture block is arranged on the second sliding block; the pull ring is arranged on the wedge-shaped fixture block; and the square clamping block is arranged on the placing box and matched with the wedge-shaped clamping block.

Further, it is particularly preferable that: the control box, install on the workstation, be equipped with switching power supply in the control box, control module, power module and start button, switching power supply supplies power for whole device, switching power supply's output and power module pass through electric connection, there is the power master switch through line connection on the power module, control module and power module pass through electric connection, start the button and be used for controlling first electric putter and start, start the button and pass through electric connection with control module, last DS1302 clock circuit and the 24C02 circuit of having through electric connection of control module, pressure sensor, contact switch and travel switch pass through electric connection, servo motor, first electric putter, second electric putter, gear motor and third electric putter pass through peripheral circuit with control module and are connected.

Further, it is particularly preferable that: the swing rod is provided with a straight groove.

Compared with the prior art, the invention has the following advantages: according to the novel PP material feeding and discharging device, the feeding amount can be automatically measured when PP new materials are fed and discharged through the matching of the feeding hopper and the pressure sensor, a large number of material frames can be placed for use through the placing mechanism, the workload of workers is reduced, the material frames can be uninterruptedly pushed out through the pushing mechanism to be fed, the material frames can be automatically conveyed to a proper position through the feeding mechanism after the new materials are loaded on the material frames to be subjected to subsequent operation, the material frames loaded with the new materials can be conveyed out through the rotating mechanism, the stacked material frames can be blocked through the blocking mechanism, and the material frames are prevented from being ejected.

Drawings

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

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a schematic perspective view of the placement mechanism of the present invention.

Fig. 4 is a schematic perspective view of the placement mechanism of the present invention.

Fig. 5 is a schematic perspective view of the placement mechanism of the present invention.

Fig. 6 is a schematic perspective view of the pushing mechanism of the present invention.

Fig. 7 is a schematic partial perspective view of the pushing mechanism of the present invention.

Fig. 8 is a schematic perspective view of the feeding mechanism of the present invention.

Fig. 9 is a partial perspective view of the rotating mechanism of the present invention.

Fig. 10 is an enlarged perspective view of part a of the present invention.

Fig. 11 is a schematic partial perspective view of the blocking mechanism of the present invention.

Fig. 12 is an enlarged perspective view of part B of the present invention.

FIG. 13 is a circuit block diagram of the present invention.

Fig. 14 is a schematic circuit diagram of the present invention.

In the figure: 1. a frame, 2, a workbench, 3, a control box, 4, a first mounting frame, 5, a storage frame, 6, a discharging hopper, 7, a baffle, 8, a servo motor, 9, a pressure sensor, 10, a placing mechanism, 101, a vertical plate, 102, a mounting block, 103, a transverse plate, 104, a placing box, 105, a placing plate, 106, a handle, 107, a first spring, 11, a pushing mechanism, 111, a first guide rod, 112, a first slide block, 113, a push plate, 114, a strip-shaped plate, 115, a first electric push rod, 12, a feeding mechanism, 121, a second mounting frame, 122, a contact switch, 123, a first sliding sleeve, 124, a second electric push rod, 125, a prismatic rod, 126, a first clamping plate, 127, a second clamping plate, 128, a travel switch, 129, a speed reducing motor, 1291, a swing rod, 1292, a slide rod, 13, a rotating mechanism, 131, a rotating plate, 132, a shell, 133, a third electric push rod, 134, a vertical rod, 135. the second sliding bush, 136, the arc-shaped guide rail, 137, the L-shaped rod, 14, the blocking mechanism, 141, the square plate, 142, the second guide rod, 143, the second sliding block, 144, the second spring, 145, the wedge-shaped fixture block, 146, the pull ring, 147 and the square fixture block.

Detailed Description

Although the present invention may be described with respect to particular applications or industries, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize other factors such as: terms such as above, below, upward, downward, and the like are used to describe the accompanying drawings and are not meant to limit the scope of the invention, which is defined by the appended claims. Such as: any numerical designation of first or second, and the like, is merely exemplary and is not intended to limit the scope of the invention in any way.

Example 1

A pp-based new material automatic metering loading and unloading device is shown in figures 1-14 and comprises a frame 1, a workbench 2, a first mounting frame 4, a material storage frame 5, a blanking hopper 6, a baffle 7, a servo motor 8, a pressure sensor 9, a placing mechanism 10 and a pushing mechanism 11, wherein the workbench 2 is arranged on the upper portion of the frame 1, the first mounting frame 4 is arranged between the workbench 2 and the frame 1, the material storage frame 5 is arranged on the upper portion of the first mounting frame 4, the blanking hopper 6 is arranged on the left side of the bottom of the material storage frame 5, the baffle 7 is rotatably arranged on the left portion of the blanking hopper 6, the baffle 7 is matched with the blanking hopper 6, the servo motor 8 is arranged on the left portion of the blanking hopper 6, an output shaft of the servo motor 8 is connected with the baffle 7, the pressure sensor 9 is arranged on the right portion of the workbench 2, the placing mechanism 10 is arranged on the right side of the bottom of the workbench 2, and a pushing mechanism 11 is arranged on the workbench 2.

When the device is used, a worker presses a power supply main switch to enable the whole device to be in a standby state, then the worker stacks material frames containing pp new materials into the placing mechanism 10, after the material frames are placed, the worker pours the pp new materials into the material storage frame 5, after the material frames are completed, the worker presses a start button, the control module receives a signal and controls the pushing mechanism 11 to push the uppermost material frame to the left above the pressure sensor 9, the pressure sensor 9 senses gravity and sends a signal, the control module receives the signal and controls the pushing mechanism 11 to move rightwards to reset, meanwhile, the control module controls the servo motor 8 to drive the baffle 7 to rotate upwards by 90 degrees and not block the discharging hopper 6, at the moment, the pp new materials in the material storage frame 5 fall into the material frames through the discharging hopper 6, as the pp new materials in the material frames increase, when the material frames reach a certain weight, pressure sensor 9 signals, control module receives signal back control servo motor 8 anticlockwise rotation 90 resets, servo motor 8 anticlockwise rotation 90 drives baffle 7 and rotates 90 downwards and blocks down hopper 6 and stop the unloading, at this moment, the staff removes the material frame that is equipped with a quantitative material to suitable position and carries out follow-up processing, send out signal after pressure sensor 9 no longer senses gravity, control module receives signal back control pushing mechanism 11 and pushes away the next material frame to pressure sensor 9 top left and carry out the unloading, repeat above-mentioned action and can realize incessant unloading, use the completion after, the staff presses master switch once more and makes whole equipment outage, so, can be when unloading to the pp new material automatic measurement unloading.

As shown in fig. 1, 3, 4, 5, 6, 7, 11 and 12, the placing mechanism 10 includes a vertical plate 101, mounting blocks 102, a horizontal plate 103, a placing box 104, a placing plate 105, a handle 106 and a first spring 107, the vertical plate 101 is provided at the rear part of the workbench 2, two mounting blocks 102 are provided at the front side of the right part of the workbench 2, the horizontal plate 103 is provided between the mounting blocks 102 and the vertical plate 101, the placing box 104 is provided at the right side of the bottom of the workbench 2, the placing plate 105 is provided in the placing box 104 in a sliding manner, the placing plate 105 is connected with the rack 1 in a sliding manner, the handle 106 is provided at the right side of the placing plate 105, and the first spring 107 is connected between the placing plate 105 and the placing box 104.

When using the device, the staff stimulates handle 106 downstream earlier, handle 106 downstream drives places board 105 downslide, deformation takes place for first spring 107, subsequently, the staff will hold the material frame of pp new material and stack to placing the case 104 in, put the back, the staff loosens handle 106, under the effect of diaphragm 103, the material frame blocks that diaphragm 103 below can not the rebound, push mechanism 11 pushes away the material frame of the top and push mechanism 11 resets the back, under the effect that first spring 107 resets, place the material frame rebound filling position that board 105 drove the below thereupon, so, can place a large amount of material frames and supply the use, reduce staff's work load.

As shown in fig. 1, 6 and 7, the pushing mechanism 11 includes a first guide rod 111, a first sliding block 112, a pushing plate 113, a strip-shaped plate 114 and a first electric pushing rod 115, the lower portion of the vertical plate 101 is provided with the first guide rod 111, the first sliding block 112 is slidably provided on the first guide rod 111, the pushing plate 113 is provided at the front end of the first sliding block 112, the strip-shaped plate 114 is provided at the right side of the pushing plate 113, the first electric pushing rod 115 is provided at the rear portion of the vertical plate 101, and the extending end of the first electric pushing rod 115 is connected with the first sliding block 112.

When the device is used, a worker presses a start button, the control module receives a signal and controls the first electric push rod 115 to contract for five seconds, the first electric push rod 115 contracts to drive the first sliding block 112 to slide leftwards on the first guide rod 111, the first sliding block 112 slides leftwards to drive the push plate 113 to move leftwards, the push plate 113 moves leftwards to push the uppermost material frame to be above the pressure sensor 9, the push plate 113 moves leftwards to drive the strip-shaped plate 114 to move leftwards while moving leftwards to block the material frame below, the pressure sensor 9 senses gravity and sends a signal, the control module receives the signal and controls the first electric push rod 115 to extend for five seconds to reset, the first electric push rod 115 extends to drive the first sliding block 112 to slide rightwards to reset, the first sliding block 112 slides rightwards to drive the push plate 113 to move rightwards to reset, the strip-shaped plate 114 moves rightwards to reset without blocking the material frame below, and sends a signal when the pressure sensor 9 does not sense gravity any more, the control module receives the signal and controls the first electric push rod 115 to contract for five seconds, so that the material frame can be continuously pushed out to be charged by repeating the actions.

Example 2

On the basis of embodiment 1, as shown in fig. 1 and 8, the feeding device further includes a feeding mechanism 12, the feeding mechanism 12 includes a second mounting frame 121, a contact switch 122, a first sliding sleeve 123, a second electric push rod 124, a prismatic rod 125, a first clamping plate 126, a second clamping plate 127, a travel switch 128, a reduction motor 129, a swinging rod 1291 and a sliding rod 1292, the second mounting frame 121 is disposed at the left portion of the workbench 2, the contact switch 122 is disposed at the top portion of the second mounting frame 121, the first sliding sleeve 123 is slidably disposed on the second mounting frame 121, the second electric push rod 124 is disposed at the lower portion of the first sliding sleeve 123, the prismatic rod 125 is disposed at the lower portion of the second electric push rod 124, the first clamping plate 126 is disposed at the rear portion of the prismatic rod 125, the second clamping plate 127 is slidably disposed on the prismatic rod 125, an extended end of the second electric push rod 124 is connected to the second clamping plate 127, the travel switch 128 is disposed on the second clamping plate 127, a speed reducing motor 129 is arranged at the rear part of the workbench 2, a swing rod 1291 is arranged on an output shaft of the speed reducing motor 129, a sliding rod 1292 is arranged at the rear side of the first sliding sleeve 123, and the sliding rod 1292 is connected with the swing rod 1291 in a sliding manner.

When the device is used, after the material frame reaches a certain weight, the pressure sensor 9 sends a signal, the control module receives the signal and controls the second electric push rod 124 to shorten for three seconds, the second electric push rod 124 shortens to drive the second clamping plate 127 to slide backwards on the prismatic rod 125, the second clamping plate 127 slides backwards to be matched with the first clamping plate 126 to clamp the material frame above the pressure sensor 9, the material frame is contacted with the travel switch 128 while clamping, the travel switch 128 sends a signal, the control module receives the signal and controls the speed reducing motor 129 to rotate 90 degrees anticlockwise, the speed reducing motor 129 rotates anticlockwise to drive the swing rod 1291 to swing leftwards, the swing rod 1291 swings leftwards to drive the first sliding sleeve 123 to slide leftwards on the second mounting frame 121, the second clamping plate 127 drives the material frame above the pressure sensor 9 to move leftwards, when the first sliding sleeve 123 slides leftwards to be contacted with the contact switch 122, the contact switch 122 sends a signal, the control module receives the signal and then controls the second electric push rod 124 to extend for three seconds to reset, the second electric push rod 124 extends to drive the second clamping plate 127 to slide forwards to loosen the material frame, the travel switch 128 is separated from the material frame to send the signal, the control module receives the signal and then controls the speed reducing motor 129 to rotate clockwise for 90 degrees to reset, the speed reducing motor 129 rotates clockwise to drive the swing rod 1291 to swing rightwards, and then drives the second clamping plate 127 to move rightwards to reset, and therefore the material frame can be automatically conveyed to a proper position to carry out subsequent operation after the material frame is filled with a new material.

On the basis of embodiment 1, as shown in fig. 1, 9 and 10, the rotary table further includes a rotating mechanism 13, the rotating mechanism 13 includes a rotating plate 131, a housing 132, a third electric push rod 133, a vertical rod 134, a second sliding sleeve 135, an arc-shaped guide rail 136 and an L-shaped rod 137, the rotating plate 131 is rotatably disposed at the left portion of the workbench 2, the housing 132 is disposed at the left side of the bottom of the workbench 2, the third electric push rod 133 is disposed in the housing 132, the vertical rod 134 is disposed at an extending end of the third electric push rod 133, the second sliding sleeve 135 is slidably disposed on the vertical rod 134, the arc-shaped guide rail 136 is disposed at the left side of the bottom of the workbench 2, the L-shaped rod 137 is disposed at the rear side of the bottom of the rotating plate 131, the L-shaped rod 137 is slidably connected with the arc-shaped guide rail 136, and the L-shaped rod 137 is connected with the second sliding sleeve 135.

When the device is used, the material frame is driven to move to the position above the rotating plate 131 through the second clamping plate 127 to be loosened, when the first sliding sleeve 123 slides leftwards to be in contact with the contact switch 122, the contact switch 122 sends a signal, the control module receives the signal and then controls the third electric push rod 133 to contract for three seconds, the third electric push rod 133 contracts to drive the vertical rod 134 to move backwards, the vertical rod 134 moves backwards to drive the second sliding sleeve 135 to move backwards, the second sliding sleeve 135 moves backwards to drive the L-shaped rod 137 to slide backwards in the arc-shaped guide rail 136, and then the material frame slides down to a proper position to be transmitted when the rotating plate 131 rotates downwards and inclines, and after three seconds, the third electric push rod 133 extends to drive the rotating plate 131 to rotate upwards to reset, so that the material frame filled with new materials can be transmitted out.

Based on embodiment 1, as shown in fig. 11 and 12, the storage box further includes a blocking mechanism 14, the blocking mechanism 14 includes a square plate 141, a second guide rod 142, a second slider 143, a second spring 144, a wedge-shaped block 145, a pull ring 146, and a square block 147, the square plate 141 is rotatably disposed on the right side of the storage box 104, the second guide rod 142 is disposed on the front portion of the square plate 141, the second slider 143 is slidably disposed on the second guide rod 142, the second spring 144 is wound between the second slider 143 and the second guide rod 142, the wedge-shaped block 145 is disposed on the second slider 143, the pull ring 146 is rotatably disposed on the right side of the wedge-shaped block 145, the square block 147 is disposed on the right portion of the front side of the storage box 104, and the square block 147 is engaged with the wedge-shaped block 145.

When the device is used, when a material frame needs to be placed, a worker pulls the pull ring 146 to move downwards, the pull ring 146 moves downwards to drive the wedge-shaped clamping block 145 to move downwards to be separated from the square clamping block 147, the wedge-shaped clamping block 145 moves downwards to drive the second sliding block 143 to slide downwards on the second guide rod 142, the second spring 144 deforms, then, the worker rotates the square plate 141 rightwards to open the material frame, after the material frame is placed, the worker loosens the pull ring 146, the second sliding block 143 drives the wedge-shaped clamping block 145 to move upwards and reset under the reset action of the second spring 144, after the material frame is placed, the worker rotates the square plate 141 leftwards to close, the square plate 141 closes to drive the wedge-shaped clamping block 145 to move leftwards, when the wedge-shaped clamping block 145 moves leftwards to be in contact with the square clamping block 147, the wedge-shaped clamping block 145 moves downwards while moving leftwards under the action of the square clamping block 147, the wedge-shaped clamping block 145 moves downwards to drive the second sliding block 143 to slide downwards on the second guide rod 142, the second spring 144 is deformed, when the wedge-shaped block 145 moves leftwards to be separated from the square block 147, under the action of the reset of the second spring 144, the second sliding block 143 drives the wedge-shaped block 145 to move upwards to reset to block the square block 147, so that stacked material frames can be blocked, and the material frames are prevented from being ejected.

On the basis of the embodiment 1, as shown in fig. 1, 13 and 14, the device also comprises a control box 3, the utility model discloses a hydraulic pressure sensor, including workstation 2, workstation 3, be equipped with switch power supply in the control box 3, control module, power module and start button, switch power supply is whole device power supply, switch power supply's output and power module pass through electric connection, there is the power master switch through the line connection on the power module, control module and power module pass through electric connection, the start button is used for controlling first electric putter 115 to start, the start button passes through electric connection with control module, last DS1302 clock circuit and the 24C02 circuit of having through electric connection of control module, pressure sensor 9, contact switch 122 and travel switch 128 pass through electric connection, servo motor 8, first electric putter 115, second electric putter 124, gear motor 129 and third electric putter 133 pass through peripheral circuit with control module and are connected.

While the disclosure has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims

1. The utility model provides a unloader on pp new material automatic measurement, its characterized in that, including: a frame (1); the workbench (2) is arranged on the rack (1); the first mounting frame (4) is mounted between the workbench (2) and the rack (1); the storage frame (5) is arranged on the first mounting frame (4); the discharging hopper (6) is arranged on the material storage frame (5); the baffle (7) is rotatably arranged on the blanking hopper (6), and the baffle (7) is matched with the blanking hopper (6); the servo motor (8) is arranged on the blanking hopper (6), and an output shaft of the servo motor (8) is connected with the baffle (7); a pressure sensor (9) mounted on the table (2); a placing mechanism (10) mounted on the worktable (2); and the pushing mechanism (11) is arranged on the workbench (2).

2. The pp-based new material automatic metering loading and unloading device as claimed in claim 1, wherein the placing mechanism (10) comprises: a vertical plate (101) mounted on the table (2); two mounting blocks (102), wherein the two mounting blocks (102) are mounted on the workbench (2); a horizontal plate (103) mounted between the mounting block (102) and the vertical plate (101); a placing box (104) mounted on the work table (2); the placing plate (105) is installed in the placing box (104) in a sliding mode, and the placing plate (105) is connected with the rack (1) in a sliding mode; a handle (106) mounted on the placement plate (105); a first spring (107) mounted between the placing plate (105) and the placing box (104).

3. The pp-based new material automatic metering loading and unloading device as claimed in claim 2, wherein the pushing mechanism (11) comprises: a first guide bar (111) mounted on the riser (101); a first slider (112) slidably mounted on the first guide bar (111); a push plate (113) mounted on the first slider (112); a strip-shaped plate (114) mounted on the push plate (113); the first electric push rod (115) is installed on the vertical plate (101), and the extending end of the first electric push rod (115) is connected with the first sliding block (112).

4. The pp-based new material automatic metering loading and unloading device as claimed in claim 3, further comprising a feeding mechanism (12), wherein the feeding mechanism (12) comprises: a second mounting frame (121) mounted on the table (2); a contact switch (122) mounted on the second mounting bracket (121); a first sliding sleeve (123) slidably mounted on the second mounting frame (121); the second electric push rod (124) is arranged on the first sliding sleeve (123); a prismatic rod (125) mounted on the second electric push rod (124); a first clamping plate (126) mounted on the prismatic bar (125); the second clamping plate (127) is slidably mounted on the prismatic rod (125), and the extended end of the second electric push rod (124) is connected with the second clamping plate (127); a travel switch (128) mounted on the second clamp plate (127); a reduction motor (129) mounted on the table (2); the swing rod (1291) is arranged on the output shaft of the speed reducing motor (129); the sliding rod (1292) is installed on the first sliding sleeve (123), and the sliding rod (1292) is connected with the swinging rod (1291) in a sliding manner.

5. The pp-based new material automatic metering loading and unloading device as claimed in claim 4, further comprising a rotating mechanism (13), wherein the rotating mechanism (13) comprises: the rotating plate (131) is rotatably arranged on the workbench (2); a housing (132) mounted on the table (2); a third electric push rod (133) mounted within the housing (132); a vertical rod (134) mounted on the extended end of the third electric push rod (133); a second sliding sleeve (135) slidably mounted on the vertical rod (134); an arc-shaped guide rail (136) mounted on the workbench (2); the L-shaped rod (137) is installed on the rotating plate (131), the L-shaped rod (137) is connected with the arc-shaped guide rail (136) in a sliding mode, and the L-shaped rod (137) is connected with the second sliding sleeve (135).

6. The pp-based new material automatic metering loading and unloading device as claimed in claim 5, further comprising a blocking mechanism (14), wherein the blocking mechanism (14) comprises: a square plate (141) mounted on the placing box (104); a second guide bar (142) mounted on the square plate (141); a second slider (143) slidably mounted on the second guide bar (142); a second spring (144) installed between the second slider (143) and the second guide bar (142); a wedge-shaped latch (145) mounted on the second slider (143); a pull ring (146) mounted on the wedge-shaped latch (145); the square clamping block (147) is installed on the placing box (104), and the square clamping block (147) is matched with the wedge-shaped clamping block (145).

7. The pp-based new material automatic metering loading and unloading device of claim 6, further comprising: the control box (3) is installed on the workbench (2), a switch power supply, a control module, a power module and a starting key are arranged in the control box (3), the switch power supply supplies power to the whole device, the output end of the switch power supply is electrically connected with the power module, the power module is connected with a power main switch through a circuit, the control module is electrically connected with the power module, the starting key is used for controlling the starting of the first electric push rod (115), the starting key is electrically connected with the control module, the control module is electrically connected with a DS1302 clock circuit and a 24C02 circuit, the pressure sensor (9), the contact switch (122) and the travel switch (128) are electrically connected, the servo motor (8), the first electric push rod (115), the second electric push rod (124), the speed reducing motor (129) and the third electric push rod (133) are connected with the control module through a peripheral circuit.

8. The pp-based new material automatic metering loading and unloading device as claimed in claim 7, wherein the swing rod (1291) is provided with a straight groove.