A stretch film demoulding machine

Abstract

The present invention discloses a stretch film demoulding machine, comprising a lower material device, a material transfer device and a pushing device. The material transfer device is located between the lower material device and the pushing device. The material transfer device moves the material located at the pushing device to the lower material device. The pushing lower position of the pushing device of the present invention is connected with the material upper position of the material transfer device, and the material lower position of the material transfer device is connected with the upper position of the lower material device, thereby realizing the demoulding process of the material. The present application integrates the lower material device, the material transfer device and the pushing device, which is more miniaturized, realizes the automatic demoulding of the stretch film, reduces manual participation, and improves work efficiency.

Description

Technical Field

[0001] The invention belongs to the field of robot bionics and relates to a stretch film demoulding machine. Background Art

[0002] Stretch film, also known as stretch film or heat shrink film, was first produced in China using PVC as the base material and DOA as the plasticizer which also acts as a self-adhesive agent. After processing, the stretch film needs to be rolled and demolded. Currently, a film winding device is often used to roll the film, but the stretch film needs to be manually demolded after rolling, resulting in low work efficiency and high labor intensity. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a stretch film demoulding machine.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a stretch film demoulding machine, including a lower material device, a material transfer device and a pushing device, the material transfer device is located between the lower material device and the pushing device, and the material transfer device moves the material located in the pushing device to the lower material device.

[0005] Furthermore, the pushing lower position of the pushing device is connected to the material upper position of the material transfer device, and the material lower position of the material transfer device is connected to the material upper position of the material lowering device.

[0006] Furthermore, the lower material device includes a lower material shell, a lower material lifting mechanism, a lower material support plate and a lower material control mechanism. The lower material control mechanism is arranged in the lower material shell, the lower material lifting mechanism is arranged in the lower material shell, the lower material support plate is arranged in the lower material lifting mechanism, and the lower material lifting mechanism controls the lower material support plate to perform lifting and lowering movements.

[0007] Furthermore, the lower material lifting mechanism includes a lower material transmission motor and a lower material transmission screw. The lower material transmission motor is arranged at the upper end of the lower material shell. The lower material transmission motor is connected to the lower material control mechanism. The lower material control mechanism controls the opening and closing of the lower material transmission motor. The transmission screw is rotatably connected to the lower material shell and connected to the lower material transmission motor. The lower material support plate is connected to the transmission screw.

[0008] Furthermore, the material transfer device includes a material driving device and a clamp grabbing device, the clamp grabbing device is arranged on the material driving device, the material driving device includes a material lifting mechanism and a material transverse movement mechanism, the clamp grabbing device grabs the material, and the material lifting mechanism and the material transverse movement mechanism control the moving direction of the clamp grabbing device.

[0009] Furthermore, the material driving device includes a driving frame, the material lifting mechanism is arranged on the driving frame, the material lifting mechanism includes a material lifting motor, a material lifting screw and a material lifting sliding plate, the material lifting motor is arranged on the driving frame, the material lifting screw is rotatably connected to the driving frame, the output shaft of the material lifting motor is connected to the material lifting screw, the material lifting motor transmits power to the material lifting screw, a screw nut is arranged on the material lifting screw, the material lifting sliding plate is connected to the screw nut, and the material lifting sliding plate is slidably connected to the driving frame.

[0010] Furthermore, the material transverse moving mechanism includes a material transverse moving motor, a material transverse moving screw, a material transverse moving bracket and a material transverse moving sliding plate. The material transverse moving bracket is arranged on the material lifting sliding plate, the material transverse moving motor is arranged on the material transverse moving bracket, the material transverse moving screw is rotatably connected to the material transverse moving bracket, the output shaft of the material transverse moving motor is connected to the material transverse moving screw, the material transverse moving motor transmits power to the material transverse moving screw, a screw nut is arranged on the material transverse moving screw, the material transverse moving sliding plate is connected to the screw nut, and the material transverse moving sliding plate is slidingly connected to the material transverse moving bracket.

[0011] Furthermore, the clamping gripping device includes a clamping gripping drive mechanism and a clamping gripping mechanism, the clamping gripping mechanism is connected to the clamping gripping drive mechanism, and the clamping gripping device also includes a connecting plate, and the clamping gripping drive mechanism is connected to the material transverse sliding plate of the material transfer device through the connecting plate.

[0012] Furthermore, the gripping drive mechanism includes a gripping motor, which is fixedly connected to the connecting plate through a motor mounting bracket. The output shaft of the gripping motor passes through the connecting plate and is rotationally connected to the connecting plate. The output shaft of the gripping motor is fixed with a transmission gear. The gripping mechanism includes a gripping bracket and a gripping assembly. The gripping bracket is rotationally connected to the output shaft of the gripping motor. An installation cavity is formed inside the gripping bracket, and the gripping assembly is located in the installation cavity of the gripping bracket.

[0013] Furthermore, the gripping assemblies are provided in pair, and the pair of gripping assemblies are symmetrically arranged in the mounting cavity, and the gripping assemblies include a clamping gear, a clamping upper connecting rod, a clamping lower connecting rod, a clamping rocker arm, a clamping expansion plate and a clamping clip. The clamping gear is provided on the clamping upper connecting rod, and the two clamping gears of a pair of gripping assemblies are meshed and connected, and one of the clamping gears is meshed and connected with the transmission gear. One end of the clamping upper connecting rod and the clamping lower connecting rod is rotatably connected to the clamping bracket, and the other end of the clamping upper connecting rod and the clamping lower connecting rod is rotatably connected to the clamping rocker arm, the clamping expansion plate is provided on the clamping rocker arm, and the clamping clip is provided on the clamping expansion plate.

[0014] A method for using a stretch film demoulding machine is implemented based on the above-mentioned stretch film demoulding machine. The stretch film demoulding machine includes a material lowering device, a material transfer device and a material pushing device. The material transfer device is located between the material lowering device and the material pushing device. The method specifically includes the following steps:

[0015] Step 1: The pusher lifting mechanism, pusher rotating mechanism and pusher offset mechanism of the pusher device are operated to move the pusher mechanism to the pusher loading position;

[0016] Step 2: Loading the material through the pushing mechanism;

[0017] Step 3: The pusher lifting mechanism, pusher rotating mechanism and pusher offset mechanism of the pusher device operate to move the pusher mechanism loaded with material to the pusher unloading position;

[0018] Step 4: The material lifting mechanism and the material transverse movement mechanism of the material driving device in the material transfer device are operated to move the gripping device to the material loading position to prepare for loading;

[0019] Step 5: The gripping device grabs the material;

[0020] Step 6: The material lifting mechanism and the material transverse movement mechanism operate to move the gripping device of the gripping material to the material unloading position;

[0021] Step 7: The lower material device moves the lower material support plate to the loading position through the lower material lifting mechanism;

[0022] Step 8: The gripping device places the material on the lower material support plate;

[0023] Step 9: The material unloading device unloads the material on the material demoulding material placement area of the lower material support plate, completing a stretch film demoulding process and ending the step.

[0024] Furthermore, the pushing device in step 1 includes a pushing frame, a pushing lifting mechanism, a pushing rotating mechanism, a pushing offset mechanism and a pushing mechanism. The pushing lifting mechanism is arranged on the pushing frame, the pushing rotating mechanism is arranged on the pushing lifting mechanism, the pushing offset mechanism is arranged on the pushing rotating mechanism, and the pushing mechanism is arranged on the pushing offset mechanism. The pushing mechanism is used for taking and placing materials.

[0025] Furthermore, the pushing mechanism includes a pushing bracket and a pushing loading rod. The pushing loading rod realizes the picking up of materials by penetrating the materials. The pushing frame includes an upper frame, a lower frame and a frame guide rod. The upper and lower ends of the frame guide rod are respectively connected to the upper frame and the lower frame to form an overall frame structure. In order to ensure the stability of the pushing frame, at least three groups of frame guide rods are provided, and the three groups of frame guide rods are distributed in a triangular shape between the upper frame and the lower frame.

[0026] Furthermore, the pushing and lifting mechanism includes a pushing motor, a pushing screw and a pushing plate. The pushing motor is arranged on the upper frame, and the pushing screw is rotatably connected to the upper frame and the lower frame respectively. The output shaft of the pushing motor is fixedly connected to the pushing screw. The pushing screw is provided with a screw nut. The pushing plate is fixedly connected to the screw nut and the pushing plate is slidably connected to the frame guide rod. When the pushing motor is started, the pushing plate is driven to perform lifting movements through the pushing screw.

[0027] Furthermore, the pushing rotating mechanism includes a pushing rotating motor, a pushing rotating driving wheel, a pushing rotating main board and a pushing rotating driven wheel. The pushing rotating motor is arranged on the pushing plate, and the pushing rotating driving wheel is arranged on the output shaft of the pushing rotating motor. A rotating rotating rod is arranged between the pushing rotating main board and the pushing plate, and the pushing rotating main board is rotatably connected to the pushing plate by rotating the rotating rod. The pushing rotating driven wheel is fixedly arranged on the rotating rotating rod, and the pushing rotating driving wheel and the pushing rotating driven wheel are connected by a synchronous belt. When the pushing rotating motor is started, the pushing rotating main board is driven to rotate around the rotating rotating rod through the connection between the pushing rotating driving wheel and the pushing rotating driven wheel, thereby causing the pushing mechanism to move between the pushing upper material position and the pushing lower material position.

[0028] Furthermore, the pushing offset mechanism includes a pushing offset motor, a pushing offset driving wheel and a pushing offset driven wheel. The pushing offset motor is arranged on the pushing offset main board, the pushing offset driving wheel is arranged on the output shaft of the pushing offset motor, and an offset rotating rod is arranged between the pushing bracket and the pushing offset main board. The pushing bracket is rotatably connected to the pushing offset main board through the offset rotating rod, and the pushing offset driven wheel is fixed on the offset rotating rod. The pushing offset driving wheel and the pushing offset driven wheel are connected through a synchronous belt. When the pushing offset motor is started, the pushing bracket is driven to rotate around the offset rotating rod through the connection between the pushing offset driving wheel and the pushing offset driven wheel, thereby adjusting the position of the pushing mechanism at the pushing upper material position and the pushing lower material position.

[0029] Furthermore, the lower material device described in step 7 includes a lower material shell, a lower material lifting mechanism, a lower material support plate and a lower material control mechanism. The lower material control mechanism is arranged in the lower material shell, the lower material lifting mechanism is arranged in the lower material shell, the lower material support plate is arranged in the lower material lifting mechanism, and the lower material lifting mechanism controls the lower material support plate to perform lifting and lowering movements. The lower material lifting mechanism includes a lower material transmission motor and a lower material transmission screw. The lower material transmission motor is arranged at the upper end of the lower material shell, the lower material transmission motor is connected to the lower material control mechanism, the lower material control mechanism controls the opening and closing of the lower material transmission motor, the transmission screw is rotatably connected to the lower material shell, and is connected to the lower material transmission motor, and the lower material support plate is connected to the transmission screw.

[0030] Furthermore, the material transfer device includes a material driving device and a clamp grabbing device, the clamp grabbing device is arranged on the material driving device, the material driving device includes a material lifting mechanism and a material transverse movement mechanism, the clamp grabbing device grabs the material, and the material lifting mechanism and the material transverse movement mechanism control the moving direction of the clamp grabbing device.

[0031] Furthermore, the material driving device includes a driving frame, the material lifting mechanism is arranged on the driving frame, the material lifting mechanism includes a material lifting motor, a material lifting screw and a material lifting sliding plate, the material lifting motor is arranged on the driving frame, the material lifting screw is rotatably connected to the driving frame, the output shaft of the material lifting motor is connected to the material lifting screw, the material lifting motor transmits power to the material lifting screw, a screw nut is provided on the material lifting screw, the material lifting sliding plate is connected to the screw nut, and the material lifting sliding plate is slidably connected to the driving frame, and the material transverse moving mechanism includes a material transverse moving motor, a material transverse moving screw, a material transverse moving bracket and a material transverse moving sliding plate, the material transverse moving bracket is arranged on the material lifting sliding plate, the material transverse moving motor is arranged on the material transverse moving bracket, the material transverse moving screw is rotatably connected to the material transverse moving bracket, the output shaft of the material transverse moving motor is connected to the material transverse screw, the material transverse motor transmits power to the material transverse screw, a screw nut is provided on the material transverse screw, the material transverse sliding plate is connected to the screw nut, and the material transverse sliding plate is slidably connected to the material transverse moving bracket.

[0032] Furthermore, the clamping gripping device includes a clamping gripping drive mechanism and a clamping gripping mechanism, the clamping gripping mechanism is connected to the clamping gripping drive mechanism, and the clamping gripping device also includes a connecting plate, and the clamping gripping drive mechanism is connected to the material transverse sliding plate of the material transfer device through the connecting plate.

[0033] In summary, the present invention is beneficial in that:

[0034] 1) The present invention is provided with a sensing device, which includes a sensing piece and a sensing switch. The sensing piece is provided on the material lifting sliding plate and moves up and down with the material lifting sliding plate. The sensing switch is provided on the driving frame. The sensing piece is located between a pair of sensing switches. When the sensing piece contacts the sensing switch, the material lifting motor stops running, thereby controlling the lifting stroke through the sensing device and preventing the problem of overtravel.

[0035] 2) The present invention arranges the clamping jaws on the outer expansion surface of the clamping jaw expansion plate. The clamping jaw expansion plate is provided with two clamping jaws. The angle formed by the two clamping jaws is set to an obtuse angle, thereby increasing the distance between the two clamping jaws, thereby increasing the clamping area for the material and improving the stability of the material clamping.

[0036] 3) The pushing lower position of the pushing device of the present invention is connected with the material upper position of the material transfer device, and the material lower position of the material transfer device is connected with the upper position of the lower material device, thereby realizing the demolding process of the material. The present application integrates the lower material device, the material transfer device and the pushing device, which is more miniaturized, realizes the automatic demolding of the stretch film, reduces manual participation, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of a stretch film demoulding machine of the present invention.

[0038] Figure 2 for Figure 1 Top view of .

[0039] Figure 3 Schematic diagram of the gripping device of the present invention.

[0040] Figure 4 It is a schematic diagram of the pushing device of the present invention. DETAILED DESCRIPTION

[0041] The following describes the embodiments of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. The details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other unless they conflict.

[0042] It should be noted that the illustrations provided in the following embodiments are merely schematic illustrations of the basic concept of the present invention. Therefore, the illustrations only show components related to the present invention and are not drawn according to the number, shape, and size of components in actual implementation. In actual implementation, the type, quantity, and proportion of each component may be changed arbitrarily, and the component layout may also be more complex.

[0043] All directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, horizontal, vertical...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0044] Due to installation errors and other reasons, the parallel relationship referred to in the embodiments of the present invention may actually be an approximately parallel relationship, and the perpendicular relationship may actually be an approximately perpendicular relationship.

[0045] Example 1:

[0046] like Figure 1-4As shown, a stretch film demoulding machine includes a lower material device 1, a material transfer device and a pushing device 4. The material transfer device is located between the lower material device 1 and the pushing device 4. The material transfer device moves the material located in the pushing device 4 to the lower material device 1.

[0047] like Figure 1 As shown, in this embodiment, the lifting direction is set to the z direction, and the lateral movement direction is set to the y direction.

[0048] In this embodiment, the pushing lower position of the pushing device 4 is connected to the material upper position of the material transfer device, and the material lower position of the material transfer device is connected to the material lowering device 1, thereby realizing the demoulding process of the material 5.

[0049] The material lowering device 1 of this embodiment is configured as a material lowering forklift, comprising a material lowering housing 10, a material lowering lifting mechanism, a material lowering support plate 13 and a material lowering control mechanism (not shown). The material lowering control mechanism is provided on the material lowering housing 10, the material lowering lifting mechanism is provided on the material lowering housing 10, the material lowering support plate 13 is provided on the material lowering lifting mechanism, and the material lowering lifting mechanism controls the material lowering support plate 13 to move along the material lowering lifting mechanism. Figure 1 The z direction does lifting and lowering motion.

[0050] In this embodiment, the lower material lifting mechanism adopts a rolling screw transmission, including a lower material transmission motor 11 and a lower material transmission screw 12. The lower material transmission motor 11 is arranged at the upper end of the lower material shell 10, and the lower material transmission motor 11 is connected to the lower material control mechanism. The lower material control mechanism controls the opening and closing of the lower material transmission motor 11. The transmission screw 12 is rotatably connected to the lower material shell 10 and is connected to the lower material transmission motor 11. The lower material support plate 13 is connected to the transmission screw 12. When the lower material transmission motor 11 is started, the transmission screw 12 is rotated, thereby driving the lower material support plate 13 to perform lifting and lowering movements along the z direction.

[0051] Preferably, the lower material lifting mechanism further includes a drag chain, which limits the moving stroke of the lower material supporting plate 13.

[0052] The material transfer device includes a material driving device 2 and a clamp grabbing device 3. The clamp grabbing device 3 is arranged on the material driving device 2. The material driving device 2 includes a material lifting mechanism and a material transverse movement mechanism. The clamp grabbing device 3 grabs the material 5. The material lifting mechanism and the material transverse movement mechanism control the moving direction of the clamp grabbing device 3.

[0053] The material driving device 2 includes a driving frame 27, and the material lifting mechanism is arranged on the driving frame 27. The material lifting mechanism includes a material lifting motor 20, a material lifting screw rod 21 and a material lifting sliding plate 22. The material lifting motor 20 is arranged on the driving frame 27, and the material lifting screw rod 21 is rotatably connected to the driving frame 27. The output shaft of the material lifting motor 20 is connected to the material lifting screw rod 21. The material lifting motor 20 transmits power to the material lifting screw rod 21. A screw nut (not shown) is provided on the material lifting screw rod 21, and the material lifting sliding plate 22 is connected to the screw nut. The material lifting sliding plate 22 is slidably connected to the driving frame 27. Preferably, the material lifting sliding plate 22 can be provided with a slider or a slide rail, and the driving frame 27 is correspondingly provided with a slide rail or a slider. The slider and the slide rail cooperate to realize a sliding connection. When the material lifting motor 20 is started, the material lifting screw rod 21 rotates and then drives the material lifting sliding plate 22 to perform lifting and lowering movements along the z direction through the screw nut.

[0054] The material transverse movement mechanism includes a material transverse movement motor 23, a material transverse movement screw (not shown in the figure), a material transverse movement bracket 24 and a material transverse movement sliding plate 26. The material transverse movement bracket 24 is arranged on the material lifting sliding plate 22, and the material transverse movement motor 23 is arranged on the material transverse movement bracket 24. The material transverse movement screw is rotatably connected to the material transverse movement bracket 24. The output shaft of the material transverse movement motor 23 is connected to the material transverse movement screw. The material transverse movement motor 23 transmits power to the material transverse movement screw. A screw nut (not shown in the figure) is provided on the material transverse movement screw. The material transverse movement sliding plate 26 is connected to the screw nut. The material transverse movement sliding plate 26 is slidably connected to the material transverse movement bracket 24. When the material transverse movement motor 23 is started, the material transverse movement screw rotates and drives the material transverse movement sliding plate 26 to move transversely along the y direction through the screw nut.

[0055] The material transfer device also includes a sensing device, which includes a sensing sheet 25 and a sensing switch 28. The sensing sheet 25 is arranged on the material lifting sliding plate 22 and moves up and down with the material lifting sliding plate 22. The sensing switch 28 is arranged on the drive frame 27. In this embodiment, a pair of sensing switches 28 are arranged, one sensing switch 28 is arranged above the material lifting sliding plate 22, and the other sensing switch 28 is arranged below the material lifting sliding plate 22. The sensing sheet 25 is located between the pair of sensing switches 28. When the sensing sheet 25 contacts the sensing switch 28, the material lifting motor 20 stops running, thereby controlling the lifting stroke through the sensing device and preventing the problem of overtravel.

[0056] The clamping claw grabbing device 3 comprises a clamping claw grabbing driving mechanism and a clamping claw grabbing mechanism, and the clamping claw grabbing mechanism is connected to the clamping claw grabbing driving mechanism.

[0057] The clamping claw grabbing device 3 further includes a connecting plate 30 , and the clamping claw grabbing driving mechanism is connected to the material transverse sliding plate 26 of the material transfer device via the connecting plate 30 .

[0058] The gripping drive mechanism includes a gripping motor 31, which is fixedly connected to the connecting plate 30 via a motor mounting frame. The output shaft of the gripping motor 31 passes through the connecting plate 30 and is rotationally connected to the connecting plate 30. The output shaft of the gripping motor 31 is fixedly provided with a transmission gear 33.

[0059] The gripping mechanism includes a gripping bracket 32 and a gripping assembly. The gripping bracket 32 is rotationally connected to the output shaft of the gripping motor 31. In this embodiment, the gripping bracket 32 is a shell structure, and an installation cavity is formed inside the gripping bracket 32. The gripping assembly is located in the installation cavity of the gripping bracket 32.

[0060] A pair of gripping assemblies are provided, and a pair of gripping assemblies are symmetrically arranged in the installation cavity along the z direction. The gripping assemblies include a clamping gear 341, a clamping upper connecting rod 342, a clamping lower connecting rod 343, a clamping rocker arm 344, a clamping expansion plate 345 and a clamping clip 346. The clamping gear 341 is provided on the clamping upper connecting rod 342. The two clamping gears 341 of a pair of gripping assemblies are meshed and connected. One of the clamping gears 341 is meshed and connected with the transmission gear 33. One end of the clamping upper connecting rod 342 and the clamping lower connecting rod 343 is rotatably connected to the clamping bracket 32, and the other end of the clamping upper connecting rod 342 and the clamping lower connecting rod 343 is rotatably connected to the clamping rocker arm 344. The clamping expansion plate 345 is provided on the clamping rocker arm 344. The clamping clip 346 is provided on the clamping expansion plate 345. The clamping clip 346 is in direct contact with the material 5 for gripping.

[0061] In this embodiment, the clamping jaw expansion plate 345 is configured as an outward expansion structure, and the outward expansion surfaces of the two clamping jaw expansion plates 345 of a pair of gripping assemblies face each other, and the two clamping jaw expansion plates 345 form a clamping area for clamping materials.

[0062] In this embodiment, the clamping jaws 346 are arranged on the outer expansion surface of the clamping jaw expansion plate 345, and the clamping jaw expansion plate 345 is provided with two clamping jaws 346. The angle formed by the two clamping jaws 346 is set to an obtuse angle, thereby increasing the distance between the two clamping jaws 346, thereby increasing the clamping area of the material 5 and improving the stability of the clamping of the material 5.

[0063] The pushing device 4 includes a pushing frame, a pushing lifting mechanism, a pushing rotating mechanism, a pushing offset mechanism and a pushing mechanism. The pushing lifting mechanism is arranged on the pushing frame, the pushing rotating mechanism is arranged on the pushing lifting mechanism, the pushing offset mechanism is arranged on the pushing rotating mechanism, and the pushing mechanism is arranged on the pushing offset mechanism. The pushing mechanism is used to take and place the material 5.

[0064] The pushing mechanism includes a pushing bracket 441 and a pushing and loading rod 442 . The pushing and loading rod 442 penetrates the material 5 to pick up the material.

[0065] The pushing frame includes an upper frame 403, a lower frame 401 and a frame guide rod 402. The upper and lower ends of the frame guide rod 402 are respectively connected to the upper frame 403 and the lower frame 401 to form an overall frame structure. To ensure the stability of the pushing frame, at least three groups of frame guide rods 402 are provided. The three groups of frame guide rods 402 are distributed in a triangular shape before the upper frame 403 and the lower frame 401. The length direction of the frame guide rod 402 is parallel to the z direction.

[0066] The pushing and lifting mechanism includes a pushing motor 411, a pushing screw 412 and a pushing plate 413. The pushing motor 411 is arranged on the upper frame 403, and the pushing screw 412 is rotatably connected to the upper frame 403 and the lower frame 401 respectively. The output shaft of the pushing motor 411 is fixedly connected to the pushing screw 412, and the pushing screw 412 is provided with a screw nut. The pushing plate 413 is fixedly connected to the screw nut and the pushing plate 413 is slidably connected to the frame guide rod 402. When the pushing motor 411 is started, the pushing plate 413 is driven to perform lifting movements through the pushing screw 412.

[0067] The pushing rotating mechanism includes a pushing rotating motor 421, a pushing rotating driving wheel, a pushing rotating main board 424 and a pushing rotating driven wheel 423. The pushing rotating motor 421 is arranged on the pushing plate 413, and the pushing rotating driving wheel is arranged on the output shaft of the pushing rotating motor 421. A rotating rotating rod 422 is arranged between the pushing rotating main board 424 and the pushing plate 413. The pushing rotating main board 424 is rotatably connected to the pushing plate 413 by rotating the rotating rod 422. The pushing rotating driven wheel 423 is fixed on the rotating rotating rod 422. The pushing rotating driving wheel and the pushing rotating driven wheel 423 are connected by a synchronous belt. When the pushing rotating motor 421 is started, the pushing rotating main board 424 is driven to rotate around the rotating rotating rod 422 through the connection between the pushing rotating driving wheel and the pushing rotating driven wheel 423, thereby making the pushing mechanism move between the pushing upper material position and the pushing lower material position.

[0068] The pushing offset mechanism includes a pushing offset motor 431, a pushing offset driving wheel 432 and a pushing offset driven wheel 433. The pushing offset motor 431 is arranged on the pushing offset main board 424, and the pushing offset driving wheel 432 is arranged on the output shaft of the pushing offset motor 431. An offset rotating rod 434 is arranged between the pushing bracket 441 and the pushing offset main board 424. The pushing bracket 441 is rotatably connected to the pushing offset main board 424 through the offset rotating rod 434, and the pushing offset driven wheel 433 is fixed on the offset rotating rod 434. The pushing offset driving wheel 432 and the pushing offset driven wheel 433 are connected by a synchronous belt. When the pushing offset motor 431 is started, the pushing bracket 441 is driven to rotate around the offset rotating rod 434 through the connection between the pushing offset driving wheel 432 and the pushing offset driven wheel 433, thereby adjusting the position of the pushing mechanism at the pushing upper material position and the pushing lower material position.

[0069] During this implementation process, the pushing device 4 moves the pushing mechanism to the pushing loading position through the pushing lifting mechanism, the pushing rotating mechanism and the pushing offset mechanism. After the pushing loading rod 442 of the pushing mechanism loads the material, the pushing lifting mechanism, the pushing rotating mechanism and the pushing offset mechanism run in reverse, and the pushing mechanism drives the material to move to the pushing unloading position. At this time, the material lifting motor 20 and the material transverse movement motor 23 are started, and the clamping claw grasping device 3 is moved to the pushing unloading position of the pushing device 4 to prepare for loading. The clamping claw grasping motor 31 is started, driving the transmission gear 33 to rotate, and the meshing connection between the transmission gear 33 and the clamping claw gear 341 and the two clamping claw gears 341 is made to open a pair of grasping components synchronously, and the material lifting motor 20 and the material transverse movement motor 23 continue to run, so that the material 5 on the pushing device 4 is in the clamping position. Taking area, at this time, the gripping motor 31 of the clamping jaws runs in reverse to make a pair of gripping components close synchronously, and grab the material 5. At this time, the material lifting motor 20 and the material transverse movement motor 23 run in reverse to move the material 5 to the unloading position of the lower material device 1 through the gripping jaws 3. The lower material lifting mechanism of the lower material device 1 starts and moves to the specified unloading position. The gripping jaws 3 moves the material 5 to the lower material support plate 13, and a pair of gripping components open synchronously to place the material 5 on the lower material support plate 13. The lower material device 1 moves the material 5 to the demolding material placement area for unloading, thereby realizing the automatic demolding process of the material 5. The present application integrates the lower material device 1, the material transfer device and the pushing device 4, which is more miniaturized, realizes the automatic demolding of the stretch film, reduces manual participation, and improves work efficiency.

[0070] The present application also provides a method for using a stretch film demoulding machine, which is implemented based on the above-mentioned stretch film demoulding machine and specifically includes the following steps:

[0071] Step 1: The pusher lifting mechanism, pusher rotating mechanism and pusher offset mechanism of the pusher device 4 are operated to move the pusher mechanism to the pusher loading position;

[0072] Step 2: Loading the material through the pushing mechanism;

[0073] Step 3: The pushing lifting mechanism, pushing rotating mechanism and pushing offset mechanism of the pushing device 4 operate to move the pushing mechanism loaded with the material 5 to the pushing unloading position;

[0074] Step 4: The material lifting mechanism and the material transverse movement mechanism of the material driving device 2 in the material transfer device are operated to move the gripping device 3 to the material loading position to prepare for loading;

[0075] Step 5: The gripping device 3 grabs the material 5;

[0076] Step 6: The material lifting mechanism and the material transverse movement mechanism operate to move the gripping device 3 that has gripped the material 5 to the material unloading position;

[0077] Step 7: The material lowering device 1 moves the lower material support plate 13 to the loading position through the lower material lifting mechanism;

[0078] Step 8: The gripping device 3 places the material 5 on the lower material support plate 13;

[0079] Step 9: The material unloading device 1 unloads the material 5 located on the lower material support plate 13 into the demoulding material placement area, completing a stretch film demoulding process, and ending the step.

[0080] Repeat steps 1 to 9 to achieve continuous automatic demoulding of the stretch film.

[0081] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

Claims

1. A stretch film demoulding machine, characterized by: The material transfer device includes a lower material device, a material transfer device and a pushing device. The material transfer device is located between the lower material device and the pushing device. The material transfer device moves the material located in the pushing device to the lower material device. The pushing lower material level of the pushing device is connected to the material upper material level of the material transfer device. The material lower level of the material transfer device is connected to the upper material level of the lower material device. The material transfer device includes a material driving device and a clamping claw grasping device. The clamping claw grasping device is arranged on the material driving device. The material driving device includes a material lifting mechanism and a material transverse movement mechanism. The clamping claw grasping device grasps the material. The material lifting mechanism and the material transverse movement mechanism control the moving direction of the clamping claw grasping device. The pushing device includes a pushing frame, a pushing lifting mechanism, and a material lifting mechanism. Mechanism, pushing rotation mechanism, pushing offset mechanism and pushing mechanism, the pushing lifting mechanism is arranged on the pushing frame, the pushing rotation mechanism is arranged on the pushing lifting mechanism, the pushing offset mechanism is arranged on the pushing rotation mechanism, the pushing mechanism is arranged on the pushing offset mechanism, the pushing mechanism is used for taking and placing materials, the pushing mechanism includes a pushing bracket and a pushing loading rod, the pushing loading rod realizes the taking of materials by passing through the materials, the pushing lifting mechanism includes a pushing motor, a pushing screw and a pushing plate, the pushing motor is arranged on the upper frame, the pushing screw is rotatably connected to the upper frame and the lower frame respectively, the output shaft of the pushing motor is fixedly connected to the pushing screw, the pushing screw is provided with a screw nut, the pushing plate is fixedly connected to the screw nut and the pushing plate slides with the frame guide rod When the pushing motor is started, the pushing plate is driven to move up and down through the pushing screw. The pushing rotating mechanism includes a pushing rotating motor, a pushing rotating driving wheel, a pushing rotating main board and a pushing rotating driven wheel. The pushing rotating motor is arranged on the pushing plate, and the pushing rotating driving wheel is arranged on the output shaft of the pushing rotating motor. A rotating rotating rod is arranged between the pushing rotating main board and the pushing plate. The pushing rotating main board is connected to the pushing plate by rotating the rotating rod. The pushing rotating driven wheel is fixedly arranged on the rotating rotating rod. The pushing rotating driving wheel and the pushing rotating driven wheel are connected by a synchronous belt. When the pushing rotating motor is started, the pushing rotating main board is driven to rotate around the rotating rotating rod through the connection between the pushing rotating driving wheel and the pushing rotating driven wheel, thereby making the pushing mechanism The push material upper and lower material positions are moved, and the push material offset mechanism includes a push material offset motor, a push material offset driving wheel and a push material offset driven wheel. The push material offset motor is arranged on the push material offset main board, and the push material offset driving wheel is arranged on the output shaft of the push material offset motor. An offset rotating rod is arranged between the push material bracket and the push material offset main board, and the push material bracket is rotatably connected to the push material offset main board through the offset rotating rod. The push material offset driven wheel is fixed on the offset rotating rod, and the push material offset driving wheel and the push material offset driven wheel are connected through a synchronous belt. When the push material offset motor is started, the push material bracket is driven to rotate around the offset rotating rod through the connection between the push material offset driving wheel and the push material offset driven wheel, thereby adjusting the position of the push material mechanism at the push material upper and lower material positions.

2. The stretch film demoulding machine according to claim 1, characterized in that: The lower material device includes a lower material shell, a lower material lifting mechanism, a lower material supporting plate and a lower material control mechanism. The lower material control mechanism is arranged in the lower material shell, the lower material lifting mechanism is arranged in the lower material shell, the lower material supporting plate is arranged in the lower material lifting mechanism, and the lower material lifting mechanism controls the lower material supporting plate to perform lifting and lowering movements.

3. The stretch film demoulding machine according to claim 2, characterized in that: The lower material lifting mechanism includes a lower material transmission motor and a lower material transmission screw. The lower material transmission motor is arranged at the upper end of the lower material shell. The lower material transmission motor is connected to the lower material control mechanism. The lower material control mechanism controls the opening and closing of the lower material transmission motor. The transmission screw is rotatably connected to the lower material shell and connected to the lower material transmission motor. The lower material support plate is connected to the transmission screw.

4. The stretch film demoulding machine according to claim 1, characterized in that: The material driving device includes a driving frame, a material lifting mechanism is arranged on the driving frame, the material lifting mechanism includes a material lifting motor, a material lifting screw and a material lifting sliding plate, the material lifting motor is arranged on the driving frame, the material lifting screw is rotatably connected to the driving frame, the output shaft of the material lifting motor is connected to the material lifting screw, the material lifting motor transmits power to the material lifting screw, a screw nut is provided on the material lifting screw, the material lifting sliding plate is connected to the screw nut, and the material lifting sliding plate is slidably connected to the driving frame.

5. The stretch film demoulding machine according to claim 1, characterized in that: The material transverse moving mechanism includes a material transverse moving motor, a material transverse moving screw, a material transverse moving bracket and a material transverse moving sliding plate. The material transverse moving bracket is arranged on the material lifting sliding plate, the material transverse moving motor is arranged on the material transverse moving bracket, the material transverse moving screw is rotatably connected to the material transverse moving bracket, the output shaft of the material transverse moving motor is connected to the material transverse moving screw, the material transverse moving motor transmits power to the material transverse moving screw, a screw nut is arranged on the material transverse moving screw, the material transverse moving sliding plate is connected to the screw nut, and the material transverse moving sliding plate is slidably connected to the material transverse moving bracket.

6. The stretch film demoulding machine according to claim 1, characterized in that: The clamping gripping device includes a clamping gripping drive mechanism and a clamping gripping mechanism, the clamping gripping mechanism is connected to the clamping gripping drive mechanism, and the clamping gripping device also includes a connecting plate, and the clamping gripping drive mechanism is connected to the material transverse sliding plate of the material transfer device through the connecting plate.

7. The stretch film demoulding machine according to claim 6, characterized in that: The gripping drive mechanism includes a gripping motor, which is fixedly connected to the connecting plate through a motor mounting bracket. The output shaft of the gripping motor passes through the connecting plate and is rotatably connected to the connecting plate. The output shaft of the gripping motor is fixed with a transmission gear. The gripping mechanism includes a gripping bracket and a gripping assembly. The gripping bracket is rotatably connected to the output shaft of the gripping motor. An installation cavity is formed inside the gripping bracket, and the gripping assembly is located in the installation cavity of the gripping bracket.

8. The stretch film demoulding machine according to claim 7, characterized in that: The gripping components are provided in pair, and the pair of gripping components are symmetrically arranged in the installation cavity, and the gripping components include a clamping gear, a clamping upper connecting rod, a clamping lower connecting rod, a clamping rocker arm, a clamping expansion plate and a clamping clip. The clamping gear is provided on the clamping upper connecting rod, and the two clamping gears of a pair of gripping components are meshed and connected, and one of the clamping gears is meshed and connected with the transmission gear. One end of the clamping upper connecting rod and the clamping lower connecting rod is rotatably connected to the clamping bracket, and the other end of the clamping upper connecting rod and the clamping lower connecting rod is rotatably connected to the clamping rocker arm. The clamping expansion plate is provided on the clamping rocker arm, and the clamping clip is provided on the clamping expansion plate.

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