Automatic cutting machine for plastic uptake forming production line

Abstract

The utility model relates to the technical field of plastic product processing, in particular to an automatic cutting machine for a plastic uptake forming production line. Comprising a storage box, a mounting plate, a mounting frame, a threaded rod, a push rod motor, a cutting knife and a pressing mechanism, the pressing mechanism comprises a controller, a support, a take-up and pay-off assembly, a pull rope, a fixing ring, a connecting rod, two pull rods and two pressing plates, the take-up and pay-off assembly is started through the controller, the pull rope is wound through the take-up and pay-off assembly, and therefore the connecting rod is pulled to ascend through the fixing ring; the pressing plate is pulled to move upwards, at the moment, the compression spring is in a compressed state, the plastic product is placed on the top of the storage box, after placement is completed, the controller controls the take-up and pay-off assembly to pay off the pull rope, and the pressing plate presses and fixes the plastic product under the action of restoring force of the compression spring. And when the plastic product is pressed and fixed, the automation degree is higher, and operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic product processing, in particular to an automatic cutting machine used in a vacuum forming production line. Background Art

[0002] The blister machine is a machine that can blister thermoplastic plastic sheets made of heated and plasticized polymer materials into various shapes of high-end packaging decoration boxes, frames and other products. After the plastic sheet is formed by the blister machine, a cutting knife is needed to cut and separate the formed packaging box from the plastic sheet. However, the position of the cutting knife used in the existing blister forming production line cannot be reasonably adjusted, and thus the plastic products cannot be cut at different positions.

[0003] To solve the above problems, the existing public patent (CN215660422U) discloses a cutting mechanism for molded products of a blister machine, including a storage box with a box door hinged on the front, the top inner wall of the storage box is provided with cutting edges distributed at equal distances, and the top outer wall of the storage box is welded with an L-shaped mounting plate, two clamping assemblies and an adjustment mechanism are symmetrically arranged on the L-shaped mounting plate, and the two clamping assemblies both include a pull rod. The technical solution is provided with an adjustment assembly, which can reasonably adjust the position of the cutting knife, so that different positions of the plastic product can be cut.

[0004] However, in actual use, the existing cutting mechanism for formed products of the blister machine requires the staff to manually pull the connecting rod to clamp and fix the plastic products through the clamping assembly, which has a low degree of automation and is not convenient to operate. Utility Model Content

[0005] The utility model aims to provide an automatic cutting machine for a blister forming production line, aiming to solve the technical problems that the existing cutting mechanism for formed products of the blister forming machine requires the staff to manually pull the connecting rod during actual use in order to clamp and fix the plastic products through the clamping assembly, the degree of automation is low, and the operation is not convenient.

[0006] To achieve the above-mentioned purpose, the utility model provides an automatic cutting machine for a blister forming production line, comprising a storage box, a mounting plate, a mounting frame, a threaded rod, a push rod motor, a cutting knife and a pressing mechanism, a plurality of cutting knife openings are evenly arranged on the top of the storage box, the mounting plate is mounted on the top of the storage box, the mounting frame is arranged on the upper surface of the mounting plate, the threaded rod is arranged on the mounting frame, a ball screw nut pair is arranged on the threaded rod, a connecting seat is also slidably arranged on the upper surface of the mounting plate, the ball screw nut pair is detachably connected to the connecting seat, the push rod motor is arranged at the bottom of the connecting seat, and the cutting knife is arranged at the output end of the push rod motor;

[0007] The clamping mechanism includes a controller, a bracket, a retractable wire assembly, a pull rope, a fixing ring, a connecting rod, two pull rods and two pressure plates, the pull rods are slidably arranged on both sides of the upper surface of the mounting plate, the pressure plate is fixedly arranged at the bottom of each pull rod, a clamping spring is sleeved on the outside of each pull rod, one end of the clamping spring is fixedly connected to the upper surface of the mounting plate, the other end of the clamping spring is fixedly connected to the pressure plate, the connecting rod is fixedly connected between the top ends of the two pull rods, the bracket is also arranged on the upper surface of the mounting plate, the retractable wire assembly is installed on the top end of the bracket, the pull rope is arranged on the output end of the retractable wire assembly, the fixing ring is arranged on the end of the pull rope away from the retractable wire assembly, the fixing ring is detachably connected to the connecting rod and sleeved on the outside of the connecting rod, the controller is also arranged on the mounting plate, and the retractable wire assembly is communicatively connected to the controller.

[0008] Among them, the wire reel assembly includes a servo motor, an output shaft and a winding wheel. The servo motor is installed at the top of the bracket. The output end of the servo motor is provided with the output shaft. The winding wheel is provided at the end of the output shaft away from the servo motor, and the pull rope is provided on the winding wheel.

[0009] Wherein, the fixing ring includes a ring body and two mounting wing rings, the ring body is sleeved on the outside of the connecting rod, the mounting wing rings are fixedly arranged on both sides of the ring body, and the mounting wing rings are detachably connected to the outer side wall of the connecting rod.

[0010] Wherein, a connecting protrusion is arranged on the ring body, and one end of the pull rope away from the retractable wire assembly is connected to the connecting protrusion.

[0011] Wherein, the automatic cutting machine for the vacuum forming production line further comprises two flexible pads, and the flexible pad is arranged at one end of each pressing plate away from the corresponding pull rod.

[0012] Wherein, an adhesive layer is arranged between one end of each pressing plate away from the corresponding pulling rod and the corresponding flexible pad.

[0013] The utility model discloses an automatic cutting machine for a blister forming production line. The controller starts the retractable wire assembly, and the retractable wire assembly is used to reel in the drawstring. During the reeling process, the drawstring pulls the connecting rod upward through the fixing ring, thereby pulling the pressing plate upward through the pulling rod. At this time, the compression spring is in a compressed state, and the plastic product formed by the blister forming machine is placed on the top of the storage box. After the placement is completed, the controller controls the retractable wire assembly to pay out the drawstring. The connecting rod drives the pressing plate downward under the action of the restoring force of the compression spring, thereby pressing and fixing the plastic product. With the above structure, when the plastic product is pressed and fixed, the degree of automation is higher and the operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of an automatic cutting machine for a vacuum forming production line according to the first embodiment of the utility model.

[0016] Figure 2 The utility model provides Figure 1 A magnified view of the local structure at A.

[0017] Figure 3 The utility model provides Figure 1 A magnified view of the local structure at B.

[0018] Figure 4 It is a structural schematic diagram of an automatic cutting machine for a vacuum forming production line according to a second embodiment of the utility model.

[0019] 101-storage box, 102-mounting plate, 103-mounting frame, 104-threaded rod, 105-push rod motor, 106-cutting knife, 107-controller, 108-bracket, 109-retracting and releasing wire assembly, 110-pull rope, 111-fixing ring, 112-connecting rod, 113-pull rod, 114-pressing plate, 115-servo motor, 116-output shaft, 117-reeling wheel, 118-ring body, 119-mounting wing ring, 120-cutting edge, 121-ball screw nut pair, 122-connecting seat, 123-compression spring, 124-connecting protrusion, 201-flexible pad, 202-adhesive layer. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 3 ,in Figure 1 1 is a schematic structural diagram of an automatic cutting machine for a blister forming production line according to a first embodiment of the present invention. Figure 2 yes Figure 1 The enlarged view of the local structure at A. Figure 3 yes Figure 1 A magnified view of the local structure at B.

[0023] The utility model provides an automatic cutting machine for a blister molding production line: comprising a storage box 101, a mounting plate 102, a mounting frame 103, a threaded rod 104, a push rod motor 105, a cutting knife 106 and a clamping mechanism, wherein the clamping mechanism comprises a controller 107, a bracket 108, a retractable wire assembly 109, a pull rope 110, a fixing ring 111, a connecting rod 112, two pulling rods 113 and two pressing plates 114, wherein the retractable wire assembly 109 comprises a servo motor 115, an output shaft 116 and a reel 117, and the fixing ring 111 comprises a ring body 118 and two mounting wing rings 119. The above-mentioned scheme solves the problem that the existing cutting mechanism for the molded products of the blister molding machine needs the staff to manually pull the connecting rod in the actual use process so that the plastic products can be clamped and fixed by the clamping assembly, the automation degree is low, and the operation is not convenient. It can be understood that the above-mentioned scheme can be used in the structure of the cutting mechanism for the molded products of the blister molding machine.

[0024] According to this specific embodiment, a plurality of cutting edges 120 are evenly arranged on the top of the storage box 101, the mounting plate 102 is installed on the top of the storage box 101, the mounting frame 103 is arranged on the upper surface of the mounting plate 102, the threaded rod 104 is arranged on the mounting frame 103, the threaded rod 104 is arranged on the threaded rod 104, a ball screw nut pair 121 is arranged on the upper surface of the mounting plate 102, and a connecting seat 122 is also slidably arranged on the upper surface of the mounting plate 102, and the ball screw nut pair 121 is detachably connected to the connecting seat 122. The push rod motor 105 is arranged at the bottom of the connecting seat 122, and the cutting knife 106 is arranged at the output end of the push rod motor 105. The threaded rod 104 is rotated, and the connecting seat 122 is driven to slide on the upper surface of the mounting plate 102 through the ball screw nut pair 121, so as to adjust the position of the push rod motor 105. When the position of the cutting knife 106 is adjusted to the appropriate position, the push rod motor 105 is started to drive the cutting knife 106 to move downward to cut the plastic product.

[0025] Wherein, the pull rods 113 are slidably arranged on both sides of the upper surface of the mounting plate 102, the pressure plate 114 is fixedly arranged at the bottom of each of the pull rods 113, and a compression spring 123 is sleeved on the outside of each of the pull rods 113, one end of the compression spring 123 is fixedly connected to the upper surface of the mounting plate 102, and the other end of the compression spring 123 is fixedly connected to the pressure plate 114, and the connecting rod 112 is fixedly connected between the top ends of the two pull rods 113, and the bracket 108 is also arranged on the upper surface of the mounting plate 102, and the top end of the bracket 108 is installed with the retractable wire assembly 109, and the output end of the retractable wire assembly 109 is provided with the pull rope 110, and the end of the pull rope 110 away from the retractable wire assembly 109 is provided with the fixing ring 111, and the fixing ring 111 is detachably connected to the connecting rod 112 and sleeved on the outside of the connecting rod 112, and the mounting plate 1 02 is also provided with the controller 107, the retractable line assembly 109 is communicatively connected with the controller 107, the retractable line assembly 109 is started by the controller 107, and the pull rope 110 is reeled by the retractable line assembly 109. During the reeling process, the pull rope 110 pulls the connecting rod 112 upward through the fixing ring 111, thereby pulling the pressing plate 114 upward through the pulling rod 113. At this time, the compression spring is in a compressed state, and the plastic products formed by the vacuum forming machine are placed on the top of the storage box 101. After the placement is completed, the controller 107 controls the retractable line assembly 109 to pay out the pull rope 110, and the connecting rod 112 drives the pressing plate 114 downward under the action of the restoring force of the compression spring, thereby pressing and fixing the plastic products. With the above structure, when the plastic products are pressed and fixed, the degree of automation is higher and the operation is more convenient.

[0026] Secondly, the servo motor 115 is installed at the top of the bracket 108, and the output end of the servo motor 115 is provided with the output shaft 116. The end of the output shaft 116 away from the servo motor 115 is provided with the winding wheel 117, and the pull rope 110 is provided on the winding wheel 117. When the servo motor 115 is started, the winding wheel 117 is driven to rotate through the output shaft 116, so that the pull rope 110 is reeled and released by the rotating winding wheel 117.

[0027] At the same time, the ring body 118 is sleeved on the outside of the connecting rod 112, and the mounting wing rings 119 are fixedly provided on both sides of the ring body 118. The mounting wing rings 119 are detachably connected to the outer wall of the connecting rod 112. After the ring body 118 is sleeved on the outside of the connecting rod 112, the mounting wing ring 119 is fixed to the outside of the connecting rod 112 by screws, thereby completing the installation of the fixing ring 111.

[0028] In addition, a connecting protrusion 124 is provided on the ring body 118, and the end of the pull rope 110 away from the retractable line assembly 109 is connected to the connecting protrusion 124. Through the setting of the connecting protrusion 124, the end of the pull rope 110 away from the retractable line assembly 109 is fixed to the fixing ring 111.

[0029] When using the automatic cutting machine for the vacuum forming production line of the present embodiment, the threaded rod 104 is rotated, and the connecting seat 122 is driven to slide on the upper surface of the mounting plate 102 through the ball screw nut pair 121, so as to adjust the position of the push rod motor 105. When the position of the cutting knife 106 is adjusted to the suitable position, the push rod motor 105 is started to drive the cutting knife 106 to move downward to cut the plastic products, and the retractable wire assembly 109 is started through the controller 107, and the retractable wire assembly 109 is used to reel the pull rope 110. During the reeling process, the pull rope 110 The connecting rod 112 is pulled up by the fixing ring 111, and the pressing plate 114 is pulled upward by the pulling rod 113. At this time, the compression spring is in a compressed state, and the plastic product formed by the vacuum forming machine is placed on the top of the storage box 101. After the placement is completed, the controller 107 controls the retractable wire assembly 109 to release the pull rope 110. The connecting rod 112 drives the pressing plate 114 downward under the action of the restoring force of the compression spring, thereby pressing and fixing the plastic product. With the above structure, the degree of automation is higher and the operation is more convenient when pressing and fixing the plastic product.

[0030] Second embodiment:

[0031] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of an automatic cutting machine for a vacuum forming production line according to a second embodiment.

[0032] The utility model provides an automatic cutting machine for a vacuum forming production line, which also includes two flexible pads 201 .

[0033] According to this specific embodiment, the flexible pad 201 is provided at one end of each pressure plate 114 away from the corresponding pull rod 113. The provision of the flexible pad 201 can prevent the outer surface of the top of the storage box 101 from being damaged when the pressure plate 114 moves downward.

[0034] An adhesive layer 202 is provided between one end of each pressing plate 114 away from the corresponding pull rod 113 and the corresponding flexible pad 201 . Through the provision of the adhesive layer 202 , the flexible pad 201 is installed on the end of the pressing plate 114 away from the corresponding pull rod 113 .

[0035] When using an automatic cutting machine for a blister molding production line according to this embodiment, the flexible pad 201 is installed on the end of the pressing plate 114 away from the corresponding pull rod 113 through the setting of the adhesive layer 202, and the setting of the flexible pad 201 can prevent the outer surface of the top of the storage box 101 from being damaged when the pressing plate 114 moves downward.

[0036] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. An automatic cutting machine for a vacuum forming production line, comprising a storage box, a mounting plate, a mounting frame, a threaded rod, a push rod motor and a cutting knife, wherein a plurality of cutting edges are evenly arranged on the top of the storage box, the mounting plate is mounted on the top of the storage box, the mounting frame is arranged on the upper surface of the mounting plate, the threaded rod is arranged on the mounting frame, the threaded rod is arranged on the threaded rod, a ball screw nut pair is arranged on the threaded rod, a connecting seat is also slidably arranged on the upper surface of the mounting plate, the ball screw nut pair is detachably connected to the connecting seat, the push rod motor is arranged at the bottom of the connecting seat, and the cutting knife is arranged at the output end of the push rod motor, characterized in that: Also includes a clamping mechanism; The clamping mechanism includes a controller, a bracket, a retractable wire assembly, a pull rope, a fixing ring, a connecting rod, two pull rods and two pressure plates, the pull rods are slidably arranged on both sides of the upper surface of the mounting plate, the pressure plate is fixedly arranged at the bottom of each pull rod, a clamping spring is sleeved on the outside of each pull rod, one end of the clamping spring is fixedly connected to the upper surface of the mounting plate, the other end of the clamping spring is fixedly connected to the pressure plate, the connecting rod is fixedly connected between the top ends of the two pull rods, the bracket is also arranged on the upper surface of the mounting plate, the retractable wire assembly is installed on the top end of the bracket, the pull rope is arranged on the output end of the retractable wire assembly, the fixing ring is arranged on the end of the pull rope away from the retractable wire assembly, the fixing ring is detachably connected to the connecting rod and sleeved on the outside of the connecting rod, the controller is also arranged on the mounting plate, and the retractable wire assembly is communicatively connected to the controller.

2. The automatic cutting machine for the blister forming production line according to claim 1, characterized in that: The wire retracting and releasing assembly includes a servo motor, an output shaft and a reel. The servo motor is installed at the top of the bracket. The output end of the servo motor is provided with the output shaft. The reel is provided at the end of the output shaft away from the servo motor. The pull rope is provided on the reel.

3. The automatic cutting machine for the blister forming production line according to claim 1, characterized in that: The fixing ring comprises a ring body and two mounting wing rings. The ring body is sleeved on the outside of the connecting rod. The mounting wing rings are fixedly provided on both sides of the ring body. The mounting wing rings are detachably connected to the outer side wall of the connecting rod.

4. The automatic cutting machine for the blister forming production line according to claim 3, characterized in that: The ring body is provided with a connecting protrusion, and one end of the pull rope away from the retractable wire assembly is connected to the connecting protrusion.

5. The automatic cutting machine for the blister forming production line according to claim 1, characterized in that: The automatic cutting machine for the vacuum forming production line also includes two flexible pads, and the flexible pad is arranged at one end of each pressing plate away from the corresponding pull rod.

6. The automatic cutting machine for the blister forming production line according to claim 5, characterized in that: An adhesive layer is provided between one end of each pressing plate away from the corresponding pulling rod and the corresponding flexible pad.

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